* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
* Copyright (c) 2006-2007, Parvatha Elangovan
* Copyright (c) 2010-2011, Kaori Hagihara
- * Copyright (c) 2011, Mickael Savinaud, Communications & Systemes <mickael.savinaud@c-s.fr>
+ * Copyright (c) 2011-2012, Mickael Savinaud, Communications & Systemes <mickael.savinaud@c-s.fr>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
/**
* The read header procedure.
*/
-opj_bool j2k_read_header_procedure(
- opj_j2k_v2_t *p_j2k,
- struct opj_stream_private *p_stream,
- struct opj_event_mgr * p_manager);
+static opj_bool j2k_read_header_procedure( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager);
+
+/**
+ * The default encoding validation procedure without any extension.
+ *
+ * @param p_j2k the jpeg2000 codec to validate.
+ * @param p_stream the input stream to validate.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the parameters are correct.
+ */
+static opj_bool j2k_encoding_validation ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
/**
* The default decoding validation procedure without any extension.
*
* @return true if the parameters are correct.
*/
-opj_bool j2k_decoding_validation (
- opj_j2k_v2_t * p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager
- );
+static opj_bool j2k_decoding_validation ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
+
+/**
+ * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
+ * are valid. Developpers wanting to extend the library can add their own validation procedures.
+ */
+static void j2k_setup_encoding_validation (opj_j2k_v2_t *p_j2k);
/**
* Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
*/
static void j2k_setup_decoding_validation (opj_j2k_v2_t *p_j2k);
+/**
+ * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
+ * are valid. Developpers wanting to extend the library can add their own validation procedures.
+ */
+static void j2k_setup_end_compress (opj_j2k_v2_t *p_j2k);
+
+/**
+ * The mct encoding validation procedure.
+ *
+ * @param p_j2k the jpeg2000 codec to validate.
+ * @param p_stream the input stream to validate.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the parameters are correct.
+ */
+static opj_bool j2k_mct_validation (opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
+
/**
* Builds the tcd decoder to use to decode tile.
*/
-opj_bool j2k_build_decoder (
- opj_j2k_v2_t * p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager
- );
+static opj_bool j2k_build_decoder ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
+/**
+ * Builds the tcd encoder to use to encode tile.
+ */
+static opj_bool j2k_build_encoder ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
+
+/**
+ * Creates a tile-coder decoder.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_create_tcd( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
/**
* Excutes the given procedures on the given codec.
*
* @param p_procedure_list the list of procedures to execute
- * @param p_j2k the jpeg2000 codec to execute the procedures on.
- * @param p_stream the stream to execute the procedures on.
+ * @param p_j2k the jpeg2000 codec to execute the procedures on.
+ * @param p_stream the stream to execute the procedures on.
* @param p_manager the user manager.
*
* @return true if all the procedures were successfully executed.
*/
-static opj_bool j2k_exec (
- opj_j2k_v2_t * p_j2k,
- opj_procedure_list_t * p_procedure_list,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager
- );
+static opj_bool j2k_exec ( opj_j2k_v2_t * p_j2k,
+ opj_procedure_list_t * p_procedure_list,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager);
+
+/**
+ * Updates the rates of the tcp.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_update_rates( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
/**
* Copies the decoding tile parameters onto all the tile parameters.
* Creates also the tile decoder.
*/
-opj_bool j2k_copy_default_tcp_and_create_tcd ( opj_j2k_v2_t * p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager );
+static opj_bool j2k_copy_default_tcp_and_create_tcd ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
+
+/**
+ * Destroys the memory associated with the decoding of headers.
+ */
+static opj_bool j2k_destroy_header_memory ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
/**
* Reads the lookup table containing all the marker, status and action, and returns the handler associated
static void j2k_cp_destroy (opj_cp_v2_t *p_cp);
+/**
+ * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
+ *
+ * @param p_comp_no the component number to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+ *
+*/
+static opj_bool j2k_write_SPCod_SPCoc( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_header_size,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
+ *
+ * @param p_tile_no the tile index.
+ * @param p_comp_no the component being outputted.
+ * @param p_j2k the J2K codec.
+ *
+ * @return the number of bytes taken by the SPCod element.
+ */
+static OPJ_UINT32 j2k_get_SPCod_SPCoc_size (opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no );
+
/**
* Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
* @param p_header_data the data contained in the COM box.
* @param p_header_size the size of the data contained in the COM marker.
* @param p_manager the user event manager.
*/
-static opj_bool j2k_read_SPCod_SPCoc(
- opj_j2k_v2_t *p_j2k,
- OPJ_UINT32 compno,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 * p_header_size,
- struct opj_event_mgr * p_manager
- );
+static opj_bool j2k_read_SPCod_SPCoc( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 compno,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 * p_header_size,
+ opj_event_mgr_t * p_manager );
+
+/**
+ * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
+ *
+ * @param p_tile_no the tile index.
+ * @param p_comp_no the component being outputted.
+ * @param p_j2k the J2K codec.
+ *
+ * @return the number of bytes taken by the SPCod element.
+ */
+static OPJ_UINT32 j2k_get_SQcd_SQcc_size ( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no );
+
+/**
+ * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
+ *
+ * @param p_tile_no the tile to output.
+ * @param p_comp_no the component number to output.
+ * @param p_data the data buffer.
+ * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+ *
+*/
+static opj_bool j2k_write_SQcd_SQcc(opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_header_size,
+ opj_event_mgr_t * p_manager);
+
+/**
+ * Updates the Tile Length Marker.
+ */
+static void j2k_update_tlm ( opj_j2k_v2_t * p_j2k, OPJ_UINT32 p_tile_part_size);
/**
* Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
* @param p_manager the user event manager.
*
*/
-static opj_bool j2k_read_SQcd_SQcc(
- opj_j2k_v2_t *p_j2k,
- OPJ_UINT32 compno,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 * p_header_size,
- struct opj_event_mgr * p_manager
- );
+static opj_bool j2k_read_SQcd_SQcc( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 compno,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 * p_header_size,
+ opj_event_mgr_t * p_manager );
/**
* Copies the tile component parameters of all the component from the first tile component.
*
* @param p_j2k the J2k codec.
*/
-static void j2k_copy_tile_component_parameters(
- opj_j2k_v2_t *p_j2k
- );
+static void j2k_copy_tile_component_parameters( opj_j2k_v2_t *p_j2k );
/**
* Copies the tile quantization parameters of all the component from the first tile component.
*
* @param p_j2k the J2k codec.
*/
-static void j2k_copy_tile_quantization_parameters(
- opj_j2k_v2_t *p_j2k
- );
+static void j2k_copy_tile_quantization_parameters( opj_j2k_v2_t *p_j2k );
/**
* Reads the tiles.
*/
-opj_bool j2k_decode_tiles ( opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager);
+static opj_bool j2k_decode_tiles ( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager);
static opj_bool j2k_pre_write_tile ( opj_j2k_v2_t * p_j2k,
static opj_bool j2k_update_image_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image);
+static void j2k_get_tile_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data);
+
+static opj_bool j2k_post_write_tile (opj_j2k_v2_t * p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager );
+
+/**
+ * Sets up the procedures to do on writing header.
+ * Developers wanting to extend the library can add their own writing procedures.
+ */
+static void j2k_setup_header_writting (opj_j2k_v2_t *p_j2k);
+
+static opj_bool j2k_write_first_tile_part( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 p_total_data_size,
+ opj_stream_private_t *p_stream,
+ struct opj_event_mgr * p_manager );
+
+static opj_bool j2k_write_all_tile_parts( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 p_total_data_size,
+ opj_stream_private_t *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Gets the offset of the header.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_get_end_header( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
/*
* -----------------------------------------------------------------------
@param j2k J2K handle
*/
static void j2k_write_soc(opj_j2k_t *j2k);
+
+/**
+ * Writes the SOC marker (Start Of Codestream)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_soc_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Read the SOC marker (Start of Codestream)
@param j2k J2K handle
@param j2k J2K handle
*/
static void j2k_write_siz(opj_j2k_t *j2k);
+
+/**
+ * Writes the SIZ marker (image and tile size)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_siz_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Read the SIZ marker (image and tile size)
@param j2k J2K handle
@param j2k J2K handle
*/
static void j2k_write_com(opj_j2k_t *j2k);
+
+/**
+ * Writes the COM marker (comment)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_com_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Read the COM marker (comment)
@param j2k J2K handle
@param j2k J2K handle
*/
static void j2k_write_cod(opj_j2k_t *j2k);
+
+/**
+ * Writes the COD marker (Coding style default)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_cod_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Read the COD marker (coding style default)
@param j2k J2K handle
@param compno Number of the component concerned by the information written
*/
static void j2k_write_coc(opj_j2k_t *j2k, int compno);
+
+/**
+ * Writes the COC marker (Coding style component)
+ *
+ * @param p_comp_number the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_coc_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_number,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager
+ );
+/**
+ * Writes the COC marker (Coding style component)
+ *
+ * @param p_comp_no the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static void j2k_write_coc_in_memory(opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Gets the maximum size taken by a coc.
+ *
+ * @param p_j2k the jpeg2000 codec to use.
+ */
+static OPJ_UINT32 j2k_get_max_coc_size(opj_j2k_v2_t *p_j2k);
+
/**
Read the COC marker (coding style component)
@param j2k J2K handle
@param j2k J2K handle
*/
static void j2k_write_qcd(opj_j2k_t *j2k);
+
+/**
+ * Writes the QCD marker (quantization default)
+ *
+ * @param p_comp_number the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_qcd_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Read the QCD marker (quantization default)
@param j2k J2K handle
@param compno Number of the component concerned by the information written
*/
static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
+
+/**
+ * Writes the QCC marker (quantization component)
+ *
+ * @param p_comp_no the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_qcc_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Writes the QCC marker (quantization component)
+ *
+ * @param p_comp_no the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static void j2k_write_qcc_in_memory(opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Gets the maximum size taken by a qcc.
+ */
+static OPJ_UINT32 j2k_get_max_qcc_size (opj_j2k_v2_t *p_j2k);
+
/**
Read the QCC marker (quantization component)
@param j2k J2K handle
@param j2k J2K handle
*/
static void j2k_write_poc(opj_j2k_t *j2k);
+
+/**
+ * Writes the POC marker (Progression Order Change)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_poc_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Writes the POC marker (Progression Order Change)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+ */
+static void j2k_write_poc_in_memory(opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Gets the maximum size taken by the writting of a POC.
+ */
+static OPJ_UINT32 j2k_get_max_poc_size(opj_j2k_v2_t *p_j2k);
+
+/**
+ * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
+ */
+static OPJ_UINT32 j2k_get_max_toc_size (opj_j2k_v2_t *p_j2k);
+
+/**
+ * Gets the maximum size taken by the headers of the SOT.
+ *
+ * @param p_j2k the jpeg2000 codec to use.
+ */
+static OPJ_UINT32 j2k_get_specific_header_sizes(opj_j2k_v2_t *p_j2k);
+
/**
Read the POC marker (progression order change)
@param j2k J2K handle
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager
);
+
/**
Read the CRG marker (component registration)
@param j2k J2K handle
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager
);
+
+/**
+ * Writes the updated tlm.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_updated_tlm( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Read the PLM marker (packet length, main header)
@param j2k J2K handle
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
+#if 0
static opj_bool j2k_read_ppm_v2 (
opj_j2k_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager
);
+#endif
static opj_bool j2k_read_ppm_v3 (
opj_j2k_v2_t *p_j2k,
@param j2k J2K handle
*/
static void j2k_write_tlm(opj_j2k_t *j2k);
+
+/**
+ * Writes the TLM marker (Tile Length Marker)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_tlm_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Write the SOT marker (start of tile-part)
@param j2k J2K handle
*/
static void j2k_read_sot(opj_j2k_t *j2k);
+/**
+ * Writes the SOT marker (Start of tile-part)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_sot_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ const struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
* Reads a PPT marker (Packed packet headers, tile-part header)
*
@param tile_coder Pointer to a TCD handle
*/
static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
+
+/**
+ * Writes the SOD marker (Start of data)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_sod_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_tcd_v2 * p_tile_coder,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 p_total_data_size,
+ const struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Read the SOD marker (start of data)
@param j2k J2K handle
struct opj_event_mgr * p_manager
);
+/**
+ * Updates the Tile Length Marker.
+ */
+void j2k_update_tlm (opj_j2k_v2_t * p_j2k, OPJ_UINT32 p_tile_part_size )
+{
+ opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_j2k->m_current_tile_number,1); /* PSOT */
+ ++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current;
+
+ opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_tile_part_size,4); /* PSOT */
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
+}
+
/**
Write the RGN marker (region-of-interest)
@param j2k J2K handle
@param tileno Number of the tile concerned by the information written
*/
static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
+
/**
-Read the RGN marker (region-of-interest)
+ * Writes the RGN marker (Region Of Interest)
+ *
+ * @param p_tile_no the tile to output
+ * @param p_comp_no the component to output
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_rgn_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+Read the RGN marker (region-of-interest)
@param j2k J2K handle
*/
static void j2k_read_rgn(opj_j2k_t *j2k);
struct opj_event_mgr * p_manager
) ;
+/**
+ * Writes the EOC marker (End of Codestream)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_eoc_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
Write the EOC marker (end of codestream)
@param j2k J2K handle
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
+#if 0
static opj_bool j2k_read_eoc_v2 (
opj_j2k_v2_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager
) ;
+#endif
+
+
+
+/**
+ * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_mct_data_group( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Inits the Info
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_init_info( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
/**
Read an unknown marker
OPJ_UINT32 *output_marker,
struct opj_event_mgr * p_manager );
+/**
+ * Writes the MCT marker (Multiple Component Transform)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_mct_record( opj_j2k_v2_t *p_j2k,
+ opj_mct_data_t * p_mct_record,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
* Reads a MCT marker (Multiple Component Transform)
*
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager );
+/**
+ * Writes the MCC marker (Multiple Component Collection)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_mcc_record( opj_j2k_v2_t *p_j2k,
+ struct opj_simple_mcc_decorrelation_data * p_mcc_record,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+
/**
* Reads a MCC marker (Multiple Component Collection)
*
* @param p_manager the user event manager.
*/
static opj_bool j2k_read_mcc ( opj_j2k_v2_t *p_j2k,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 p_header_size,
- struct opj_event_mgr * p_manager );
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Writes the MCO marker (Multiple component transformation ordering)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_mco( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
/**
* Reads a MCO marker (Multiple Component Transform Ordering)
static void j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
+
+/**
+ * Ends the encoding, i.e. frees memory.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_end_encoding( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Writes the CBD marker (Component bit depth definition)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_cbd( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
/**
* Reads a CBD marker (Component bit depth definition)
* @param p_header_data the data contained in the CBD box.
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager);
+/**
+ * Writes the image components.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_image_components( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Writes regions of interests.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_regions( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Writes EPC ????
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+static opj_bool j2k_write_epc( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager );
+
+/**
+ * Checks the progression order changes values. Tells of the poc given as input are valid.
+ * A nice message is outputted at errors.
+ *
+ * @param p_pocs the progression order changes.
+ * @param p_nb_pocs the number of progression order changes.
+ * @param p_nb_resolutions the number of resolutions.
+ * @param numcomps the number of components
+ * @param numlayers the number of layers.
+ *
+ * @return true if the pocs are valid.
+ */
+static opj_bool j2k_check_poc_val( const opj_poc_t *p_pocs,
+ OPJ_UINT32 p_nb_pocs,
+ OPJ_UINT32 p_nb_resolutions,
+ OPJ_UINT32 numcomps,
+ OPJ_UINT32 numlayers,
+ opj_event_mgr_t * p_manager);
+
+/**
+ * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
+ *
+ * @param cp the coding parameters.
+ * @param pino the offset of the given poc (i.e. its position in the coding parameter).
+ * @param tileno the given tile.
+ *
+ * @return the number of tile parts.
+ */
+static OPJ_UINT32 j2k_get_num_tp_v2( opj_cp_v2_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno);
+
+/** mem allocation for TLM marker*/
+static int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k );
+
+/**
+ * Calculates the total number of tile parts needed by the encoder to
+ * encode such an image. If not enough memory is available, then the function return false.
+ *
+ * @param p_nb_tiles pointer that will hold the number of tile parts.
+ * @param cp the coding parameters for the image.
+ * @param image the image to encode.
+ * @param p_j2k the p_j2k encoder.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the function was successful, false else.
+ */
+static opj_bool j2k_calculate_tp_v2(opj_j2k_v2_t *p_j2k,
+ opj_cp_v2_t *cp,
+ OPJ_UINT32 * p_nb_tiles,
+ opj_image_t *image,
+ opj_event_mgr_t * p_manager);
static void j2k_dump_MH_info(opj_j2k_v2_t* p_j2k, FILE* out_stream);
return po->str_prog;
}
+/**
+ * Checks the progression order changes values. Tells if the poc given as input are valid.
+ *
+ * @param p_pocs the progression order changes.
+ * @param p_nb_pocs the number of progression order changes.
+ * @param p_nb_resolutions the number of resolutions.
+ * @param numcomps the number of components
+ * @param numlayers the number of layers.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the pocs are valid.
+ */
+opj_bool j2k_check_poc_val( const opj_poc_t *p_pocs,
+ OPJ_UINT32 p_nb_pocs,
+ OPJ_UINT32 p_nb_resolutions,
+ OPJ_UINT32 p_num_comps,
+ OPJ_UINT32 p_num_layers,
+ opj_event_mgr_t * p_manager)
+{
+ OPJ_UINT32* packet_array;
+ OPJ_UINT32 index , resno, compno, layno;
+ OPJ_UINT32 i;
+ OPJ_UINT32 step_c = 1;
+ OPJ_UINT32 step_r = p_num_comps * step_c;
+ OPJ_UINT32 step_l = p_nb_resolutions * step_r;
+ opj_bool loss = OPJ_FALSE;
+ OPJ_UINT32 layno0 = 0;
+
+ packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers, sizeof(OPJ_UINT32));
+ if (packet_array == 00) {
+ opj_event_msg_v2(p_manager , EVT_ERROR, "Not enough memory for checking the poc values.\n");
+ return OPJ_FALSE;
+ }
+ memset(packet_array,0,step_l * p_num_layers* sizeof(OPJ_UINT32));
+
+ if (p_nb_pocs == 0) {
+ return OPJ_TRUE;
+ }
+
+ index = step_r * p_pocs->resno0;
+ // take each resolution for each poc
+ for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno)
+ {
+ OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
+
+ // take each comp of each resolution for each poc
+ for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
+ OPJ_UINT32 comp_index = res_index + layno0 * step_l;
+
+ // and finally take each layer of each res of ...
+ for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
+ //index = step_r * resno + step_c * compno + step_l * layno;
+ packet_array[comp_index] = 1;
+ comp_index += step_l;
+ }
+
+ res_index += step_c;
+ }
+
+ index += step_r;
+ }
+ ++p_pocs;
+
+ // iterate through all the pocs
+ for (i = 1; i < p_nb_pocs ; ++i) {
+ OPJ_UINT32 l_last_layno1 = (p_pocs-1)->layno1 ;
+
+ layno0 = (p_pocs->layno1 > l_last_layno1)? l_last_layno1 : 0;
+ index = step_r * p_pocs->resno0;
+
+ // take each resolution for each poc
+ for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
+ OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
+
+ // take each comp of each resolution for each poc
+ for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
+ OPJ_UINT32 comp_index = res_index + layno0 * step_l;
+
+ // and finally take each layer of each res of ...
+ for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
+ //index = step_r * resno + step_c * compno + step_l * layno;
+ packet_array[comp_index] = 1;
+ comp_index += step_l;
+ }
+
+ res_index += step_c;
+ }
+
+ index += step_r;
+ }
+
+ ++p_pocs;
+ }
+
+ index = 0;
+ for (layno = 0; layno < p_num_layers ; ++layno) {
+ for (resno = 0; resno < p_nb_resolutions; ++resno) {
+ for (compno = 0; compno < p_num_comps; ++compno) {
+ loss |= (packet_array[index]!=1);
+ //index = step_r * resno + step_c * compno + step_l * layno;
+ index += step_c;
+ }
+ }
+ }
+
+ if (loss) {
+ opj_event_msg_v2(p_manager , EVT_ERROR, "Missing packets possible loss of data\n");
+ }
+
+ opj_free(packet_array);
+
+ return !loss;
+}
+
/* ----------------------------------------------------------------------- */
static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
char *prog;
return tpnum;
}
+/**
+ * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
+ *
+ * @param cp the coding parameters.
+ * @param pino the offset of the given poc (i.e. its position in the coding parameter).
+ * @param tileno the given tile.
+ *
+ * @return the number of tile parts.
+ */
+OPJ_UINT32 j2k_get_num_tp_v2(opj_cp_v2_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno)
+{
+ const OPJ_CHAR *prog = 00;
+ OPJ_UINT32 i;
+ OPJ_UINT32 tpnum = 1;
+ opj_tcp_v2_t *tcp = 00;
+ opj_poc_t * l_current_poc = 00;
+
+ /* preconditions */
+ assert(tileno < (cp->tw * cp->th));
+ assert(pino < (cp->tcps[tileno].numpocs + 1));
+
+ /* get the given tile coding parameter */
+ tcp = &cp->tcps[tileno];
+ assert(tcp != 00);
+
+ l_current_poc = &(tcp->pocs[pino]);
+ assert(l_current_poc != 0);
+
+ /* get the progression order as a character string */
+ prog = j2k_convert_progression_order(tcp->prg);
+ assert(strlen(prog) > 0);
+
+ if (cp->m_specific_param.m_enc.m_tp_on == 1) {
+ for (i=0;i<4;++i) {
+ switch (prog[i])
+ {
+ /* component wise */
+ case 'C':
+ tpnum *= l_current_poc->compE;
+ break;
+ /* resolution wise */
+ case 'R':
+ tpnum *= l_current_poc->resE;
+ break;
+ /* precinct wise */
+ case 'P':
+ tpnum *= l_current_poc->prcE;
+ break;
+ /* layer wise */
+ case 'L':
+ tpnum *= l_current_poc->layE;
+ break;
+ }
+ /* whould we split here ? */
+ if ( cp->m_specific_param.m_enc.m_tp_flag == prog[i] ) {
+ cp->m_specific_param.m_enc.m_tp_pos=i;
+ break;
+ }
+ }
+ }
+ else {
+ tpnum=1;
+ }
+
+ return tpnum;
+}
+
/** mem allocation for TLM marker*/
int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
int pino,tileno,totnum_tp=0;
return totnum_tp;
}
+/**
+ * Calculates the total number of tile parts needed by the encoder to
+ * encode such an image. If not enough memory is available, then the function return false.
+ *
+ * @param p_nb_tiles pointer that will hold the number of tile parts.
+ * @param cp the coding parameters for the image.
+ * @param image the image to encode.
+ * @param p_j2k the p_j2k encoder.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the function was successful, false else.
+ */
+opj_bool j2k_calculate_tp_v2( opj_j2k_v2_t *p_j2k,
+ opj_cp_v2_t *cp,
+ OPJ_UINT32 * p_nb_tiles,
+ opj_image_t *image,
+ opj_event_mgr_t * p_manager)
+{
+ OPJ_UINT32 pino,tileno;
+ OPJ_UINT32 l_nb_tiles;
+ opj_tcp_v2_t *tcp;
+
+ /* preconditions */
+ assert(p_nb_tiles != 00);
+ assert(cp != 00);
+ assert(image != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_nb_tiles = cp->tw * cp->th;
+ * p_nb_tiles = 0;
+ tcp = cp->tcps;
+
+ /* INDEX >> */
+ /* TODO mergeV2: check this part which use cstr_info */
+ /*if (p_j2k->cstr_info) {
+ opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
+
+ for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
+ OPJ_UINT32 cur_totnum_tp = 0;
+
+ pi_update_encoding_parameters(image,cp,tileno);
+
+ for (pino = 0; pino <= tcp->numpocs; ++pino)
+ {
+ OPJ_UINT32 tp_num = j2k_get_num_tp_v2(cp,pino,tileno);
+
+ *p_nb_tiles = *p_nb_tiles + tp_num;
+
+ cur_totnum_tp += tp_num;
+ }
+
+ tcp->m_nb_tile_parts = cur_totnum_tp;
+
+ l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
+ if (l_info_tile_ptr->tp == 00) {
+ return OPJ_FALSE;
+ }
+
+ memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
+
+ l_info_tile_ptr->num_tps = cur_totnum_tp;
+
+ ++l_info_tile_ptr;
+ ++tcp;
+ }
+ }
+ else */{
+ for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
+ OPJ_UINT32 cur_totnum_tp = 0;
+
+ pi_update_encoding_parameters(image,cp,tileno);
+
+ for (pino = 0; pino <= tcp->numpocs; ++pino) {
+ OPJ_UINT32 tp_num = j2k_get_num_tp_v2(cp,pino,tileno);
+
+ *p_nb_tiles = *p_nb_tiles + tp_num;
+
+ cur_totnum_tp += tp_num;
+ }
+ tcp->m_nb_tile_parts = cur_totnum_tp;
+
+ ++tcp;
+ }
+ }
+
+ return OPJ_TRUE;
+}
+
static void j2k_write_soc(opj_j2k_t *j2k) {
opj_cio_t *cio = j2k->cio;
cio_write(cio, J2K_MS_SOC, 2);
/* <<UniPG */
}
+/**
+ * Writes the SOC marker (Start Of Codestream)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_soc_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ /* 2 bytes will be written */
+ OPJ_BYTE * l_start_stream = 00;
+
+ /* preconditions */
+ assert(p_stream != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ /* write SOC identifier */
+ opj_write_bytes(l_start_stream,J2K_MS_SOC,2);
+
+ if (opj_stream_write_data(p_stream,l_start_stream,2,p_manager) != 2) {
+ return OPJ_FALSE;
+ }
+
+/* UniPG>> */
+#ifdef USE_JPWL
+ /* update markers struct */
+/*
+ j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
+*/
+ assert( 0 && "TODO" );
+#endif /* USE_JPWL */
+/* <<UniPG */
+
+ return OPJ_TRUE;
+}
+
static void j2k_read_soc(opj_j2k_t *j2k) {
j2k->state = J2K_STATE_MHSIZ;
/* Index */
}
static void j2k_write_siz(opj_j2k_t *j2k) {
- int i;
+ OPJ_UINT32 i;
int lenp, len;
opj_cio_t *cio = j2k->cio;
j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, lenp, len);
}
+/**
+ * Writes the SIZ marker (image and tile size)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_siz_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_size_len;
+ OPJ_BYTE * l_current_ptr;
+ opj_image_t * l_image = 00;
+ opj_cp_v2_t *cp = 00;
+ opj_image_comp_t * l_img_comp = 00;
+
+ /* preconditions */
+ assert(p_stream != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_image = p_j2k->m_private_image;
+ cp = &(p_j2k->m_cp);
+ l_size_len = 40 + 3 * l_image->numcomps;
+ l_img_comp = l_image->comps;
+
+ if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_size_len);
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
+ }
+
+ l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ /* write SOC identifier */
+ opj_write_bytes(l_current_ptr,J2K_MS_SIZ,2); /* SIZ */
+ l_current_ptr+=2;
+
+ opj_write_bytes(l_current_ptr,l_size_len-2,2); /* L_SIZ */
+ l_current_ptr+=2;
+
+ opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
+ l_current_ptr+=2;
+
+ opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
+ l_current_ptr+=4;
+
+ opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
+ l_current_ptr+=2;
+
+ for (i = 0; i < l_image->numcomps; ++i) {
+ /* TODO here with MCT ? */
+ opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7), 1); /* Ssiz_i */
+ ++l_current_ptr;
+
+ opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
+ ++l_current_ptr;
+
+ opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
+ ++l_current_ptr;
+
+ ++l_img_comp;
+ }
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_size_len,p_manager) != l_size_len) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
static void j2k_read_siz(opj_j2k_t *j2k) {
- int len, i;
+ int len;
+ OPJ_UINT32 i;
opj_cio_t *cio = j2k->cio;
opj_image_t *image = j2k->image;
cp->tx0 = cio_read(cio, 4); /* XT0siz */
cp->ty0 = cio_read(cio, 4); /* YT0siz */
+ /* the following code triggers: */
+ /* warning: comparison of unsigned expression < 0 is always false */
+#if 0
if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
opj_event_msg(j2k->cinfo, EVT_ERROR,
"%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
image->x0,image->x1,image->y0,image->y1);
return;
}
+#endif
image->numcomps = cio_read(cio, 2); /* Csiz */
return;
}
}
- if (image->numcomps != ((len - 38) / 3)) {
+ assert( len >= 38 );
+ if (image->numcomps != (OPJ_UINT32)((len - 38) / 3)) {
opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
"JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
image->numcomps, ((len - 38) / 3));
}
/* we try to correct */
opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
- if (image->numcomps < ((len - 38) / 3)) {
+ if (image->numcomps < (OPJ_UINT32)((len - 38) / 3)) {
len = 38 + 3 * image->numcomps;
opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
len);
}
#endif /* USE_JPWL */
- for (i = 0; i < cp->tw * cp->th; i++) {
+ for (i = 0; i < (OPJ_UINT32)cp->tw * cp->th; i++) {
cp->tcps[i].POC = 0;
cp->tcps[i].numpocs = 0;
cp->tcps[i].first = 1;
cp->ppm_store = 0;
j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
- for (i = 0; i < cp->tw * cp->th; i++) {
+ for (i = 0; i < (OPJ_UINT32)cp->tw * cp->th; i++) {
cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
}
j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
}
}
+/**
+ * Writes the COM marker (comment)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_com_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_comment_size;
+ OPJ_UINT32 l_total_com_size;
+ const OPJ_CHAR *l_comment;
+ OPJ_BYTE * l_current_ptr = 00;
+
+ // preconditions
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+ l_comment = p_j2k->m_cp.comment;
+ l_comment_size = strlen(l_comment);
+ l_total_com_size = l_comment_size + 6;
+
+ if (l_total_com_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc( p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_total_com_size);
+
+ if(! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
+ }
+
+ l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ opj_write_bytes(l_current_ptr,J2K_MS_COM , 2); /* COM */
+ l_current_ptr+=2;
+
+ opj_write_bytes(l_current_ptr,l_total_com_size - 2 , 2); /* L_COM */
+ l_current_ptr+=2;
+
+ opj_write_bytes(l_current_ptr,1 , 2); /* General use (IS 8859-15:1999 (Latin) values) */
+ l_current_ptr+=2;
+
+ memcpy( l_current_ptr,l_comment,l_comment_size);
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_total_com_size,p_manager) != l_total_com_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
static void j2k_read_com(opj_j2k_t *j2k) {
int len;
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_header_data != 00);
+ (void)p_header_size;
return OPJ_TRUE;
}
static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
- int i;
+ OPJ_UINT32 i;
opj_cp_t *cp = j2k->cp;
opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
}
static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
- int i;
+ OPJ_UINT32 i;
opj_cp_t *cp = j2k->cp;
opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
/* If user wants to remove more resolutions than the codestream contains, return error*/
- if (cp->reduce >= tccp->numresolutions) {
+ assert(cp->reduce >= 0);
+ if ((OPJ_UINT32)cp->reduce >= tccp->numresolutions) {
opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
"of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
j2k->state |= J2K_STATE_ERR;
}
+/**
+ * Writes the COD marker (Coding style default)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_cod_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ OPJ_UINT32 l_code_size,l_remaining_size;
+ OPJ_BYTE * l_current_data = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
+ l_code_size = 9 + j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,0);
+ l_remaining_size = l_code_size;
+
+ if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_code_size);
+
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
+ }
+
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_COD,2); /* COD */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_code_size-2,2); /* L_COD */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_tcp->csty,1); /* Scod */
+ ++l_current_data;
+
+ opj_write_bytes(l_current_data,l_tcp->prg,1); /* SGcod (A) */
+ ++l_current_data;
+
+ opj_write_bytes(l_current_data,l_tcp->numlayers,2); /* SGcod (B) */
+ l_current_data+=2;
+
+ opj_write_bytes(l_current_data,l_tcp->mct,1); /* SGcod (C) */
+ ++l_current_data;
+
+ l_remaining_size -= 9;
+
+ if (! j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writting COD marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (l_remaining_size != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writting COD marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_code_size,p_manager) != l_code_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
static void j2k_read_cod(opj_j2k_t *j2k) {
- int len, i, pos;
+ int len, pos;
+ OPJ_UINT32 i;
opj_cio_t *cio = j2k->cio;
opj_cp_t *cp = j2k->cp;
cio_seek(cio, lenp + len);
}
+/**
+ * Writes the COC marker (Coding style component)
+ *
+ * @param p_comp_no the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_coc_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_coc_size,l_remaining_size;
+ OPJ_UINT32 l_comp_room;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
+
+ l_coc_size = 5 + l_comp_room + j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
+
+ if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_coc_size);
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
+ }
+
+ j2k_write_coc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager);
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_coc_size,p_manager) != l_coc_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Writes the COC marker (Coding style component)
+ *
+ * @param p_comp_no the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+void j2k_write_coc_in_memory( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ struct opj_event_mgr * p_manager )
+{
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ OPJ_UINT32 l_coc_size,l_remaining_size;
+ OPJ_BYTE * l_current_data = 00;
+ opj_image_t *l_image = 00;
+ OPJ_UINT32 l_comp_room;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
+ l_image = p_j2k->m_private_image;
+ l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
+
+ l_coc_size = 5 + l_comp_room + j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
+ l_remaining_size = l_coc_size;
+
+ l_current_data = p_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_COC,2); /* COC */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_coc_size-2,2); /* L_COC */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,p_comp_no, l_comp_room); /* Ccoc */
+ l_current_data+=l_comp_room;
+
+ opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty, 1); /* Scoc */
+ ++l_current_data;
+
+ l_remaining_size -= (5 + l_comp_room);
+ j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager);
+ * p_data_written = l_coc_size;
+}
+
+/**
+ * Gets the maximum size taken by a coc.
+ *
+ * @param p_j2k the jpeg2000 codec to use.
+ */
+OPJ_UINT32 j2k_get_max_coc_size(opj_j2k_v2_t *p_j2k)
+{
+ OPJ_UINT32 i,j;
+ OPJ_UINT32 l_nb_comp;
+ OPJ_UINT32 l_nb_tiles;
+ OPJ_UINT32 l_max = 0;
+
+ /* preconditions */
+
+ l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
+ l_nb_comp = p_j2k->m_private_image->numcomps;
+
+ for (i=0;i<l_nb_tiles;++i) {
+ for (j=0;j<l_nb_comp;++j) {
+ l_max = uint_max(l_max,j2k_get_SPCod_SPCoc_size(p_j2k,i,j));
+ }
+ }
+
+ return 6 + l_max;
+}
+
static void j2k_read_coc(opj_j2k_t *j2k) {
int len, compno;
j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
}
+/**
+ * Writes the QCD marker (quantization default)
+ *
+ * @param p_comp_number the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_qcd_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ OPJ_UINT32 l_qcd_size,l_remaining_size;
+ OPJ_BYTE * l_current_data = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
+ l_qcd_size = 4 + j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,0);
+ l_remaining_size = l_qcd_size;
+
+ if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_qcd_size);
+
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
+ }
+
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_QCD,2); /* QCD */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_qcd_size-2,2); /* L_QCD */
+ l_current_data += 2;
+
+ l_remaining_size -= 4;
+
+ if (! j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writting QCD marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (l_remaining_size != 0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writting QCD marker\n");
+ return OPJ_FALSE;
+ }
+
+ if (opj_stream_write_data(p_stream, p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcd_size,p_manager) != l_qcd_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+
static void j2k_read_qcd(opj_j2k_t *j2k) {
- int len, i, pos;
+ int len, pos;
+ OPJ_UINT32 i;
opj_cio_t *cio = j2k->cio;
opj_image_t *image = j2k->image;
cio_seek(cio, lenp + len);
}
-static void j2k_read_qcc(opj_j2k_t *j2k) {
- int len, compno;
+/**
+ * Writes the QCC marker (quantization component)
+ *
+ * @param p_comp_no the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_qcc_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_qcc_size,l_remaining_size;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_qcc_size = 6 + j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
+ l_remaining_size = l_qcc_size;
+
+ if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_qcc_size);
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
+ }
+
+ j2k_write_qcc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager);
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcc_size,p_manager) != l_qcc_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Writes the QCC marker (quantization component)
+ *
+ * @param p_comp_no the index of the component to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+void j2k_write_qcc_in_memory( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_qcc_size,l_remaining_size;
+ OPJ_BYTE * l_current_data = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_qcc_size = 6 + j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
+ l_remaining_size = l_qcc_size;
+
+ l_current_data = p_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_QCC,2); /* QCC */
+ l_current_data += 2;
+
+ if (p_j2k->m_private_image->numcomps <= 256) {
+ --l_qcc_size;
+
+ opj_write_bytes(l_current_data,l_qcc_size-2,2); /* L_QCC */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
+ ++l_current_data;
+
+ /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
+ l_remaining_size -= 6;
+ }
+ else {
+ opj_write_bytes(l_current_data,l_qcc_size-2,2); /* L_QCC */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
+ l_current_data+=2;
+
+ l_remaining_size -= 6;
+ }
+
+ j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,p_comp_no,l_current_data,&l_remaining_size,p_manager);
+
+ *p_data_written = l_qcc_size;
+}
+
+/**
+ * Gets the maximum size taken by a qcc.
+ */
+OPJ_UINT32 j2k_get_max_qcc_size (opj_j2k_v2_t *p_j2k)
+{
+ return j2k_get_max_coc_size(p_j2k);
+}
+
+static void j2k_read_qcc(opj_j2k_t *j2k) {
+ int len, compno;
int numcomp = j2k->image->numcomps;
opj_cio_t *cio = j2k->cio;
static OPJ_UINT32 backup_compno = 0;
/* compno is negative or larger than the number of components!!! */
- if ((l_comp_no < 0) || (l_comp_no >= l_num_comp)) {
+ if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
opj_event_msg_v2(p_manager, EVT_ERROR,
"JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
l_comp_no, l_num_comp);
}
}
+/**
+ * Writes the POC marker (Progression Order Change)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_poc_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_nb_comp;
+ OPJ_UINT32 l_nb_poc;
+ OPJ_UINT32 l_poc_size;
+ OPJ_UINT32 l_written_size = 0;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
+ OPJ_UINT32 l_poc_room;
+
+ // preconditions
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
+ l_tccp = &l_tcp->tccps[0];
+ l_nb_comp = p_j2k->m_private_image->numcomps;
+ l_nb_poc = 1 + l_tcp->numpocs;
+
+ if (l_nb_comp <= 256) {
+ l_poc_room = 1;
+ }
+ else {
+ l_poc_room = 2;
+ }
+ l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
+
+ if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_poc_size);
+
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
+ }
+
+ j2k_write_poc_in_memory(p_j2k,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_written_size,p_manager);
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_poc_size,p_manager) != l_poc_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+
+/**
+ * Writes the POC marker (Progression Order Change)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+void j2k_write_poc_in_memory( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ OPJ_BYTE * l_current_data = 00;
+ OPJ_UINT32 l_nb_comp;
+ OPJ_UINT32 l_nb_poc;
+ OPJ_UINT32 l_poc_size;
+ opj_image_t *l_image = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
+ opj_poc_t *l_current_poc = 00;
+ OPJ_UINT32 l_poc_room;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
+ l_tccp = &l_tcp->tccps[0];
+ l_image = p_j2k->m_private_image;
+ l_nb_comp = l_image->numcomps;
+ l_nb_poc = 1 + l_tcp->numpocs;
+
+ if (l_nb_comp <= 256) {
+ l_poc_room = 1;
+ }
+ else {
+ l_poc_room = 2;
+ }
+
+ l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
+
+ l_current_data = p_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_POC,2); /* POC */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_poc_size-2,2); /* Lpoc */
+ l_current_data += 2;
+
+ l_current_poc = l_tcp->pocs;
+ for (i = 0; i < l_nb_poc; ++i) {
+ opj_write_bytes(l_current_data,l_current_poc->resno0,1); /* RSpoc_i */
+ ++l_current_data;
+
+ opj_write_bytes(l_current_data,l_current_poc->compno0,l_poc_room); /* CSpoc_i */
+ l_current_data+=l_poc_room;
+
+ opj_write_bytes(l_current_data,l_current_poc->layno1,2); /* LYEpoc_i */
+ l_current_data+=2;
+
+ opj_write_bytes(l_current_data,l_current_poc->resno1,1); /* REpoc_i */
+ ++l_current_data;
+
+ opj_write_bytes(l_current_data,l_current_poc->compno1,l_poc_room); /* CEpoc_i */
+ l_current_data+=l_poc_room;
+
+ opj_write_bytes(l_current_data,l_current_poc->prg,1); /* Ppoc_i */
+ ++l_current_data;
+
+ /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
+ l_current_poc->layno1 = int_min(l_current_poc->layno1, l_tcp->numlayers);
+ l_current_poc->resno1 = int_min(l_current_poc->resno1, l_tccp->numresolutions);
+ l_current_poc->compno1 = int_min(l_current_poc->compno1, l_nb_comp);
+
+ ++l_current_poc;
+ }
+
+ *p_data_written = l_poc_size;
+}
+
+/**
+ * Gets the maximum size taken by the writing of a POC.
+ */
+OPJ_UINT32 j2k_get_max_poc_size(opj_j2k_v2_t *p_j2k)
+{
+ opj_tcp_v2_t * l_tcp = 00;
+ OPJ_UINT32 l_nb_tiles = 0;
+ OPJ_UINT32 l_max_poc = 0;
+ OPJ_UINT32 i;
+
+ l_tcp = p_j2k->m_cp.tcps;
+ l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+
+ for (i=0;i<l_nb_tiles;++i) {
+ l_max_poc = uint_max(l_max_poc,l_tcp->numpocs);
+ ++l_tcp;
+ }
+
+ ++l_max_poc;
+
+ return 4 + 9 * l_max_poc;
+}
+
+/**
+ * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
+ */
+OPJ_UINT32 j2k_get_max_toc_size (opj_j2k_v2_t *p_j2k)
+{
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_nb_tiles;
+ OPJ_UINT32 l_max = 0;
+ opj_tcp_v2_t * l_tcp = 00;
+
+ l_tcp = p_j2k->m_cp.tcps;
+ l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
+
+ for (i=0;i<l_nb_tiles;++i) {
+ l_max = uint_max(l_max,l_tcp->m_nb_tile_parts);
+
+ ++l_tcp;
+ }
+
+ return 12 * l_max;
+}
+
+
+/**
+ * Gets the maximum size taken by the headers of the SOT.
+ *
+ * @param p_j2k the jpeg2000 codec to use.
+ */
+OPJ_UINT32 j2k_get_specific_header_sizes(opj_j2k_v2_t *p_j2k)
+{
+ OPJ_UINT32 l_nb_bytes = 0;
+ OPJ_UINT32 l_nb_comps;
+ OPJ_UINT32 l_coc_bytes,l_qcc_bytes;
+
+ l_nb_comps = p_j2k->m_private_image->numcomps - 1;
+ l_nb_bytes += j2k_get_max_toc_size(p_j2k);
+
+ if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema == 0) {
+ l_coc_bytes = j2k_get_max_coc_size(p_j2k);
+ l_nb_bytes += l_nb_comps * l_coc_bytes;
+
+ l_qcc_bytes = j2k_get_max_qcc_size(p_j2k);
+ l_nb_bytes += l_nb_comps * l_qcc_bytes;
+ }
+
+ l_nb_bytes += j2k_get_max_poc_size(p_j2k);
+
+ /*** DEVELOPER CORNER, Add room for your headers ***/
+
+ return l_nb_bytes;
+}
+
static void j2k_read_poc(opj_j2k_t *j2k) {
int len, numpchgs, i, old_poc;
assert(p_manager != 00);
if (p_header_size < 1) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PLM marker\n");
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PLT marker\n");
return OPJ_FALSE;
}
}
if (l_packet_len != 0) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PLM marker\n");
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PLT marker\n");
return OPJ_FALSE;
}
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
+#if 0
opj_bool j2k_read_ppm_v2 (
opj_j2k_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
return OPJ_TRUE;
}
+#endif
return OPJ_TRUE;
}
+/**
+ * Writes the TLM marker (Tile Length Marker)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_tlm_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_BYTE * l_current_data = 00;
+ OPJ_UINT32 l_tlm_size;
+
+ // preconditions
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_tlm_size = 6 + (5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
+
+ if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_tlm_size);
+
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
+ }
+
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ /* change the way data is written to avoid seeking if possible */
+ // TODO
+ p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
+
+ opj_write_bytes(l_current_data,J2K_MS_TLM,2); /* TLM */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_tlm_size-2,2); /* Lpoc */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,0,1); /* Ztlm=0*/
+ ++l_current_data;
+
+ opj_write_bytes(l_current_data,0x50,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
+ ++l_current_data;
+
+ /* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_tlm_size,p_manager) != l_tlm_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
static void j2k_write_tlm(opj_j2k_t *j2k){
int lenp;
opj_cio_t *cio = j2k->cio;
}
}
+/**
+ * Writes the SOT marker (Start of tile-part)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_sot_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ const struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ opj_write_bytes(p_data,J2K_MS_SOT,2); /* SOT */
+ p_data += 2;
+
+ opj_write_bytes(p_data,10,2); /* Lsot */
+ p_data += 2;
+
+ opj_write_bytes(p_data, p_j2k->m_current_tile_number,2); /* Isot */
+ p_data += 2;
+
+ /* Psot */
+ p_data += 4;
+
+ opj_write_bytes(p_data, p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,1); /* TPsot */
+ ++p_data;
+
+ opj_write_bytes(p_data, p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,1); /* TNsot */
+ ++p_data;
+
+ /* UniPG>> */
+#ifdef USE_JPWL
+ /* update markers struct */
+/*
+ j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
+*/
+ assert( 0 && "TODO" );
+#endif /* USE_JPWL */
+
+ * p_data_written = 12;
+
+ return OPJ_TRUE;
+}
+
+
static void j2k_read_sot(opj_j2k_t *j2k) {
- int len, tileno, totlen, partno, numparts, i;
+ int len, tileno, totlen, partno, numparts;
+ OPJ_UINT32 i;
opj_tcp_t *tcp = NULL;
char status = 0;
static int backup_tileno = 0;
/* tileno is negative or larger than the number of tiles!!! */
- if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
+ if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
opj_event_msg(j2k->cinfo, EVT_ERROR,
"JPWL: bad tile number (%d out of a maximum of %d)\n",
tileno, (cp->tw * cp->th));
/* keep your private count of tiles */
backup_tileno++;
- };
+ }
+ else
#endif /* USE_JPWL */
+ {
+ /* tileno is negative or larger than the number of tiles!!! */
+ if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: bad tile number (%d out of a maximum of %d)\n",
+ tileno, (cp->tw * cp->th));
+ return;
+ }
+ }
if (cp->tileno_size == 0) {
cp->tileno[cp->tileno_size] = tileno;
cp->tileno_size++;
} else {
i = 0;
- while (i < cp->tileno_size && status == 0) {
+ assert(cp->tileno_size >= 0);
+ while (i < (OPJ_UINT32)cp->tileno_size && status == 0) {
status = cp->tileno[i] == tileno ? 1 : 0;
i++;
}
totlen);
}
- };
+ }
+ else
#endif /* USE_JPWL */
+ {
+ /* totlen is negative or larger than the bytes left!!! */
+ if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
+ opj_event_msg(j2k->cinfo, EVT_ERROR,
+ "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
+ totlen, cio_numbytesleft(cio) + 8);
+ return;
+ }
+ }
if (!totlen)
totlen = cio_numbytesleft(cio) + 8;
if (l_cp->correct) {
/* totlen is negative or larger than the bytes left!!! */
- if ((l_tot_len < 0) || (l_tot_len > p_header_size ) ) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
+ if (/*(l_tot_len < 0) ||*/ (l_tot_len > p_header_size ) ) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
opj_event_msg_v2(p_manager, EVT_ERROR,
"JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
l_tot_len, p_header_size ); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
|| (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
|| (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
}
- else
- p_j2k->m_specific_param.m_decoder.m_skip_data =
- (p_j2k->m_current_tile_number != p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
+ else {
+ assert( p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0 );
+ p_j2k->m_specific_param.m_decoder.m_skip_data =
+ (p_j2k->m_current_tile_number != (OPJ_UINT32)p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
+ }
/* Index */
if (p_j2k->cstr_index)
{
+ assert(p_j2k->cstr_index->tile_index != 00);
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno = l_current_part;
cio_seek(cio, j2k->sot_start + totlen);
}
+/**
+ * Writes the SOD marker (Start of data)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_sod_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_tcd_v2 * p_tile_coder,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 p_total_data_size,
+ const struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_codestream_info_t *l_cstr_info = 00;
+ opj_cp_v2_t *l_cp = 00;
+
+ OPJ_UINT32 l_size_tile;
+ OPJ_UINT32 l_remaining_data;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ opj_write_bytes(p_data,J2K_MS_SOD,2); /* SOD */
+ p_data += 2;
+
+ /* make room for the EOF marker */
+ l_remaining_data = p_total_data_size - 4;
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
+
+
+ /* update tile coder */
+ p_tile_coder->tp_num = p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
+ p_tile_coder->cur_tp_num = p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
+
+ l_size_tile = l_cp->th * l_cp->tw;
+
+ /* INDEX >> */
+ /* TODO mergeV2: check this part which use cstr_info */
+ /*l_cstr_info = p_j2k->cstr_info;
+ if (l_cstr_info) {
+ if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
+ //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
+ l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
+ }
+ else {*/
+ /*
+ TODO
+ if
+ (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
+ {
+ cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
+ }*/
+ /*}*/
+ /* UniPG>> */
+#ifdef USE_JPWL
+ /* update markers struct */
+ /*j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
+*/
+ assert( 0 && "TODO" );
+#endif /* USE_JPWL */
+ /* <<UniPG */
+ /*}*/
+ /* << INDEX */
+
+ if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
+ p_tile_coder->tcd_image->tiles->packno = 0;
+ if (l_cstr_info) {
+ l_cstr_info->packno = 0;
+ }
+ }
+
+ *p_data_written = 0;
+
+ if (! tcd_encode_tile_v2(p_tile_coder, p_j2k->m_current_tile_number, p_data, p_data_written, l_remaining_data , l_cstr_info)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot encode tile\n");
+ return OPJ_FALSE;
+ }
+
+ *p_data_written += 2;
+
+ return OPJ_TRUE;
+}
+
+
static void j2k_read_sod(opj_j2k_t *j2k) {
int len, truncate = 0, i;
unsigned char *data = NULL, *data_ptr = NULL;
cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
}
+/**
+ * Writes the RGN marker (Region Of Interest)
+ *
+ * @param p_tile_no the tile to output
+ * @param p_comp_no the component to output
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_rgn_v2( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_BYTE * l_current_data = 00;
+ OPJ_UINT32 l_nb_comp;
+ OPJ_UINT32 l_rgn_size;
+ opj_image_t *l_image = 00;
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
+ OPJ_UINT32 l_comp_room;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_tile_no];
+ l_tccp = &l_tcp->tccps[p_comp_no];
+
+ l_nb_comp = l_image->numcomps;
+
+ if (l_nb_comp <= 256) {
+ l_comp_room = 1;
+ }
+ else {
+ l_comp_room = 2;
+ }
+
+ l_rgn_size = 6 + l_comp_room;
+
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_RGN,2); /* RGN */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_rgn_size-2,2); /* Lrgn */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,p_comp_no,l_comp_room); /* Crgn */
+ l_current_data+=l_comp_room;
+
+ opj_write_bytes(l_current_data, 0,1); /* Srgn */
+ ++l_current_data;
+
+ opj_write_bytes(l_current_data, l_tccp->roishift,1); /* SPrgn */
+ ++l_current_data;
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_rgn_size,p_manager) != l_rgn_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
static void j2k_read_rgn(opj_j2k_t *j2k) {
int len, compno, roisty;
/* <<UniPG */
}
+/**
+ * Writes the EOC marker (End of Codestream)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_eoc_v2( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,J2K_MS_EOC,2); /* EOC */
+
+
+/* UniPG>> */
+#ifdef USE_JPWL
+ /* update markers struct */
+ /*
+ j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
+*/
+#endif /* USE_JPWL */
+
+ if ( opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,2,p_manager) != 2) {
+ return OPJ_FALSE;
+ }
+
+ if ( ! opj_stream_flush(p_stream,p_manager) ) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+
/**
* Reads a RGN marker (Region Of Interest)
*
}
+static OPJ_FLOAT32 get_tp_stride (opj_tcp_v2_t * p_tcp)
+{
+ return (OPJ_FLOAT32) ((p_tcp->m_nb_tile_parts - 1) * 14);
+}
+
+static OPJ_FLOAT32 get_default_stride (opj_tcp_v2_t * p_tcp)
+{
+ (void)p_tcp;
+ return 0;
+}
+
+/**
+ * Updates the rates of the tcp.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_update_rates( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ opj_cp_v2_t * l_cp = 00;
+ opj_image_t * l_image = 00;
+ opj_tcp_v2_t * l_tcp = 00;
+ opj_image_comp_t * l_img_comp = 00;
+
+ OPJ_UINT32 i,j,k;
+ OPJ_INT32 l_x0,l_y0,l_x1,l_y1;
+ OPJ_FLOAT32 * l_rates = 0;
+ OPJ_FLOAT32 l_sot_remove;
+ OPJ_UINT32 l_bits_empty, l_size_pixel;
+ OPJ_UINT32 l_tile_size = 0;
+ OPJ_UINT32 l_last_res;
+ OPJ_FLOAT32 (* l_tp_stride_func)(opj_tcp_v2_t *) = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+
+ l_cp = &(p_j2k->m_cp);
+ l_image = p_j2k->m_private_image;
+ l_tcp = l_cp->tcps;
+
+ l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
+ l_size_pixel = l_image->numcomps * l_image->comps->prec;
+ l_sot_remove = ((OPJ_FLOAT32) opj_stream_tell(p_stream)) / (l_cp->th * l_cp->tw);
+
+ if (l_cp->m_specific_param.m_enc.m_tp_on) {
+ l_tp_stride_func = get_tp_stride;
+ }
+ else {
+ l_tp_stride_func = get_default_stride;
+ }
+
+ for (i=0;i<l_cp->th;++i) {
+ for (j=0;j<l_cp->tw;++j) {
+ OPJ_FLOAT32 l_offset = ((*l_tp_stride_func)(l_tcp)) / l_tcp->numlayers;
+
+ /* 4 borders of the tile rescale on the image if necessary */
+ l_x0 = int_max(l_cp->tx0 + j * l_cp->tdx, l_image->x0);
+ l_y0 = int_max(l_cp->ty0 + i * l_cp->tdy, l_image->y0);
+ l_x1 = int_min(l_cp->tx0 + (j + 1) * l_cp->tdx, l_image->x1);
+ l_y1 = int_min(l_cp->ty0 + (i + 1) * l_cp->tdy, l_image->y1);
+
+ l_rates = l_tcp->rates;
+
+ /* Modification of the RATE >> */
+ if (*l_rates) {
+ *l_rates = (( (float) (l_size_pixel * (l_x1 - l_x0) * (l_y1 - l_y0)))
+ /
+ ((*l_rates) * l_bits_empty)
+ )
+ -
+ l_offset;
+ }
+
+ ++l_rates;
+
+ for (k = 1; k < l_tcp->numlayers; ++k) {
+ if (*l_rates) {
+ *l_rates = (( (OPJ_FLOAT32) (l_size_pixel * (l_x1 - l_x0) * (l_y1 - l_y0)))
+ /
+ ((*l_rates) * l_bits_empty)
+ )
+ -
+ l_offset;
+ }
+
+ ++l_rates;
+ }
+
+ ++l_tcp;
+
+ }
+ }
+
+ l_tcp = l_cp->tcps;
+
+ for (i=0;i<l_cp->th;++i) {
+ for (j=0;j<l_cp->tw;++j) {
+ l_rates = l_tcp->rates;
+
+ if (*l_rates) {
+ *l_rates -= l_sot_remove;
+
+ if (*l_rates < 30) {
+ *l_rates = 30;
+ }
+ }
+
+ ++l_rates;
+
+ l_last_res = l_tcp->numlayers - 1;
+
+ for (k = 1; k < l_last_res; ++k) {
+
+ if (*l_rates) {
+ *l_rates -= l_sot_remove;
+
+ if (*l_rates < *(l_rates - 1) + 10) {
+ *l_rates = (*(l_rates - 1)) + 20;
+ }
+ }
+
+ ++l_rates;
+ }
+
+ if (*l_rates) {
+ *l_rates -= (l_sot_remove + 2.f);
+
+ if (*l_rates < *(l_rates - 1) + 10) {
+ *l_rates = (*(l_rates - 1)) + 20;
+ }
+ }
+
+ ++l_tcp;
+ }
+ }
+
+ l_img_comp = l_image->comps;
+ l_tile_size = 0;
+
+ for (i=0;i<l_image->numcomps;++i) {
+ l_tile_size += ( uint_ceildiv(l_cp->tdx,l_img_comp->dx)
+ *
+ uint_ceildiv(l_cp->tdy,l_img_comp->dy)
+ *
+ l_img_comp->prec
+ );
+
+ ++l_img_comp;
+ }
+
+ l_tile_size = (OPJ_UINT32) (l_tile_size * 0.1625); /* 1.3/8 = 0.1625 */
+
+ l_tile_size += j2k_get_specific_header_sizes(p_j2k);
+
+ p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
+ p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
+ (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
+ if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
+ return OPJ_FALSE;
+ }
+
+ if (l_cp->m_specific_param.m_enc.m_cinema) {
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
+ (OPJ_BYTE *) opj_malloc(5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
+ if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
+ }
+
+ return OPJ_TRUE;
+}
+
static void j2k_read_eoc(opj_j2k_t *j2k) {
int i, tileno;
- opj_bool success;
+ opj_bool success = OPJ_FALSE;
/* if packets should be decoded */
if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
tcd_malloc_decode(tcd, j2k->image, j2k->cp);
for (i = 0; i < j2k->cp->tileno_size; i++) {
tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
- tileno = j2k->cp->tileno[i];
- success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
- opj_free(j2k->tile_data[tileno]);
- j2k->tile_data[tileno] = NULL;
- tcd_free_decode_tile(tcd, i);
+ if (j2k->cp->tileno[i] != -1)
+ {
+ tileno = j2k->cp->tileno[i];
+ success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
+ opj_free(j2k->tile_data[tileno]);
+ j2k->tile_data[tileno] = NULL;
+ tcd_free_decode_tile(tcd, i);
+ }
+ else
+ success = OPJ_FALSE;
if (success == OPJ_FALSE) {
j2k->state |= J2K_STATE_ERR;
break;
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
+#if 0
opj_bool j2k_read_eoc_v2 ( opj_j2k_v2_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager )
tcd_destroy_v2(l_tcd);
return OPJ_TRUE;
}
+#endif
-typedef struct opj_dec_mstabent {
- /** marker value */
- int id;
- /** value of the state when the marker can appear */
- int states;
- /** action linked to the marker */
- void (*handler) (opj_j2k_t *j2k);
-} opj_dec_mstabent_t;
+/**
+ * Gets the offset of the header.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_get_end_header(opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
-opj_dec_mstabent_t j2k_dec_mstab[] = {
- {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
- {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
- {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
- {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
- {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
- {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
- {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
+ p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Writes the MCT marker (Multiple Component Transform)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_mct_data_group( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ opj_simple_mcc_decorrelation_data_t * l_mcc_record;
+ opj_mct_data_t * l_mct_record;
+ opj_tcp_v2_t * l_tcp;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+ if (! j2k_write_cbd(p_j2k,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
+ l_mct_record = l_tcp->m_mct_records;
+
+ for (i=0;i<l_tcp->m_nb_mct_records;++i) {
+
+ if (! j2k_write_mct_record(p_j2k,l_mct_record,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ ++l_mct_record;
+ }
+
+ l_mcc_record = l_tcp->m_mcc_records;
+
+ for (i=0;i<l_tcp->m_nb_mcc_records;++i) {
+
+ if (! j2k_write_mcc_record(p_j2k,l_mcc_record,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ ++l_mcc_record;
+ }
+
+ if (! j2k_write_mco(p_j2k,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Writes the image components.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_image_components(opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 compno;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno)
+ {
+ if (! j2k_write_coc_v2(p_j2k,compno,p_stream, p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ if (! j2k_write_qcc_v2(p_j2k,compno,p_stream, p_manager)) {
+ return OPJ_FALSE;
+ }
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Writes regions of interests.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_regions( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 compno;
+ const opj_tccp_t *l_tccp = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_tccp = p_j2k->m_cp.tcps->tccps;
+
+ for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
+ if (l_tccp->roishift) {
+
+ if (! j2k_write_rgn_v2(p_j2k,0,compno,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+ }
+
+ ++l_tccp;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Writes EPC ????
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_epc( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ opj_codestream_index_t * l_cstr_index = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_cstr_index = p_j2k->cstr_index;
+ if (l_cstr_index) {
+ l_cstr_index->codestream_size = opj_stream_tell(p_stream);
+ /* UniPG>> */
+ /* The following adjustment is done to adjust the codestream size */
+ /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
+ /* the first bunch of bytes is not in the codestream */
+ l_cstr_index->codestream_size -= l_cstr_index->main_head_start;
+ /* <<UniPG */
+ }
+
+#ifdef USE_JPWL
+ /* preparation of JPWL marker segments */
+#if 0
+ if(cp->epc_on) {
+
+ /* encode according to JPWL */
+ jpwl_encode(p_j2k, p_stream, image);
+
+ }
+#endif
+ assert( 0 && "TODO" );
+#endif /* USE_JPWL */
+
+ return OPJ_TRUE;
+}
+
+typedef struct opj_dec_mstabent {
+ /** marker value */
+ int id;
+ /** value of the state when the marker can appear */
+ int states;
+ /** action linked to the marker */
+ void (*handler) (opj_j2k_t *j2k);
+} opj_dec_mstabent_t;
+
+opj_dec_mstabent_t j2k_dec_mstab[] = {
+ {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
+ {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
+ {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
+ {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
+ {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
+ {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
+ {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
{J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
{J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
{J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
return e;
}
+/**
+ * Writes the MCT marker (Multiple Component Transform)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_mct_record( opj_j2k_v2_t *p_j2k,
+ opj_mct_data_t * p_mct_record,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_mct_size;
+ OPJ_BYTE * l_current_data = 00;
+ OPJ_UINT32 l_tmp;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_mct_size = 10 + p_mct_record->m_data_size;
+
+ if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_mct_size);
+
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
+ }
+
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_MCT,2); /* MCT */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_mct_size-2,2); /* Lmct */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,0,2); /* Zmct */
+ l_current_data += 2;
+
+ /* only one marker atm */
+ l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) | (p_mct_record->m_element_type << 10);
+
+ opj_write_bytes(l_current_data,l_tmp,2);
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,0,2); /* Ymct */
+ l_current_data+=2;
+
+ memcpy(l_current_data,p_mct_record->m_data,p_mct_record->m_data_size);
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mct_size,p_manager) != l_mct_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
/**
* Reads a MCT marker (Multiple Component Transform)
return OPJ_TRUE;
}
+/**
+ * Writes the MCC marker (Multiple Component Collection)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_mcc_record( opj_j2k_v2_t *p_j2k,
+ struct opj_simple_mcc_decorrelation_data * p_mcc_record,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_mcc_size;
+ OPJ_BYTE * l_current_data = 00;
+ OPJ_UINT32 l_nb_bytes_for_comp;
+ OPJ_UINT32 l_mask;
+ OPJ_UINT32 l_tmcc;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ if (p_mcc_record->m_nb_comps > 255 ) {
+ l_nb_bytes_for_comp = 2;
+ l_mask = 0x8000;
+ }
+ else {
+ l_nb_bytes_for_comp = 1;
+ l_mask = 0;
+ }
+
+ l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
+ if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
+ {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_mcc_size);
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
+ }
+
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_MCC,2); /* MCC */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_mcc_size-2,2); /* Lmcc */
+ l_current_data += 2;
+
+ /* first marker */
+ opj_write_bytes(l_current_data,0,2); /* Zmcc */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,p_mcc_record->m_index,1); /* Imcc -> no need for other values, take the first */
+ ++l_current_data;
+
+ /* only one marker atm */
+ opj_write_bytes(l_current_data,0,2); /* Ymcc */
+ l_current_data+=2;
+
+ opj_write_bytes(l_current_data,1,2); /* Qmcc -> number of collections -> 1 */
+ l_current_data+=2;
+
+ opj_write_bytes(l_current_data,0x1,1); /* Xmcci type of component transformation -> array based decorrelation */
+ ++l_current_data;
+
+ opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps | l_mask,2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
+ l_current_data+=2;
+
+ for (i=0;i<p_mcc_record->m_nb_comps;++i) {
+ opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp); /* Cmccij Component offset*/
+ l_current_data+=l_nb_bytes_for_comp;
+ }
+
+ opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps|l_mask,2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
+ l_current_data+=2;
+
+ for (i=0;i<p_mcc_record->m_nb_comps;++i)
+ {
+ opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp); /* Wmccij Component offset*/
+ l_current_data+=l_nb_bytes_for_comp;
+ }
+
+ l_tmcc = ((!p_mcc_record->m_is_irreversible)&1)<<16;
+
+ if (p_mcc_record->m_decorrelation_array) {
+ l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
+ }
+
+ if (p_mcc_record->m_offset_array) {
+ l_tmcc |= ((p_mcc_record->m_offset_array->m_index)<<8);
+ }
+
+ opj_write_bytes(l_current_data,l_tmcc,3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
+ l_current_data+=3;
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mcc_size,p_manager) != l_mcc_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
/**
* Reads a MCC marker (Multiple Component Collection)
*
return OPJ_TRUE;
}
+
/**
- * Reads a MCO marker (Multiple Component Transform Ordering)
+ * Writes the MCO marker (Multiple component transformation ordering)
*
- * @param p_header_data the data contained in the MCO box.
- * @param p_j2k the jpeg2000 codec.
- * @param p_header_size the size of the data contained in the MCO marker.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
-opj_bool j2k_read_mco ( opj_j2k_v2_t *p_j2k,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 p_header_size,
- struct opj_event_mgr * p_manager )
+opj_bool j2k_write_mco( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager
+ )
{
- OPJ_UINT32 l_tmp, i;
+ OPJ_BYTE * l_current_data = 00;
+ OPJ_UINT32 l_mco_size;
+ opj_tcp_v2_t * l_tcp = 00;
+ opj_simple_mcc_decorrelation_data_t * l_mcc_record;
+ OPJ_UINT32 i;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_tcp =&(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ l_mco_size = 5 + l_tcp->m_nb_mcc_records;
+ if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_mco_size);
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
+ {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
+ }
+
+ opj_write_bytes(l_current_data,J2K_MS_MCO,2); /* MCO */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_mco_size-2,2); /* Lmco */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_tcp->m_nb_mcc_records,1); /* Nmco : only one tranform stage*/
+ ++l_current_data;
+
+ l_mcc_record = l_tcp->m_mcc_records;
+ for (i=0;i<l_tcp->m_nb_mcc_records;++i) {
+ opj_write_bytes(l_current_data,l_mcc_record->m_index,1); /* Imco -> use the mcc indicated by 1*/
+ ++l_current_data;
+
+ ++l_mcc_record;
+ }
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mco_size,p_manager) != l_mco_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Reads a MCO marker (Multiple Component Transform Ordering)
+ *
+ * @param p_header_data the data contained in the MCO box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the MCO marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_mco ( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 p_header_size,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_tmp, i;
OPJ_UINT32 l_nb_stages;
opj_tcp_v2_t * l_tcp;
opj_tccp_t * l_tccp;
return OPJ_TRUE;
}
+/**
+ * Writes the CBD marker (Component bit depth definition)
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_cbd( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_cbd_size;
+ OPJ_BYTE * l_current_data = 00;
+ opj_image_t *l_image = 00;
+ opj_image_comp_t * l_comp = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
+
+ if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data
+ = (OPJ_BYTE*)opj_realloc(
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data,
+ l_cbd_size);
+
+ if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ return OPJ_FALSE;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
+ }
+
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+
+ opj_write_bytes(l_current_data,J2K_MS_CBD,2); /* CBD */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_cbd_size-2,2); /* L_CBD */
+ l_current_data += 2;
+
+ opj_write_bytes(l_current_data,l_image->numcomps, 2); /* Ncbd */
+ l_current_data+=2;
+
+ l_comp = l_image->comps;
+
+ for (i=0;i<l_image->numcomps;++i) {
+ opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1), 1); /* Component bit depth */
+ ++l_current_data;
+
+ ++l_comp;
+ }
+
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_cbd_size,p_manager) != l_cbd_size) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
/**
* Reads a CBD marker (Component bit depth definition)
* @param p_header_data the data contained in the CBD box.
/* J2K / JPT decoder interface */
/* ----------------------------------------------------------------------- */
-opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
- opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
- if(!j2k)
- return NULL;
-
- j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
- if(!j2k->default_tcp) {
- opj_free(j2k);
- return NULL;
- }
-
- j2k->cinfo = cinfo;
- j2k->tile_data = NULL;
- return j2k;
-}
void j2k_destroy_decompress(opj_j2k_t *j2k) {
int i = 0;
return j2k;
}
-opj_j2k_v2_t* j2k_create_compress_v2()
+opj_j2k_v2_t* j2k_create_compress_v2(void)
{
opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t));
if (!l_j2k) {
}
void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
- int i, j, tileno, numpocs_tile;
+ OPJ_UINT32 i,j;
+ int tileno, numpocs_tile;
opj_cp_t *cp = NULL;
if(!j2k || !parameters || ! image) {
*/
if (parameters->jpwl_epc_on) {
- int i;
+ OPJ_UINT32 i;
/* set JPWL on */
cp->epc_on = OPJ_TRUE;
for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
opj_tcp_t *tcp = &cp->tcps[tileno];
tcp->numlayers = parameters->tcp_numlayers;
- for (j = 0; j < tcp->numlayers; j++) {
+ assert ( tcp->numlayers >= 0 );
+ for (j = 0; j < (OPJ_UINT32)tcp->numlayers; j++) {
if(cp->cinema){
if (cp->fixed_quality) {
tcp->distoratio[j] = parameters->tcp_distoratio[j];
if (parameters->numpocs) {
/* initialisation of POC */
tcp->POC = 1;
- for (i = 0; i < parameters->numpocs; i++) {
+ assert( parameters->numpocs >= 0 );
+ for (i = 0; i < (OPJ_UINT32)parameters->numpocs; i++) {
if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
tccp->qmfbid = parameters->irreversible ? 0 : 1;
tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
tccp->numgbits = 2;
- if (i == parameters->roi_compno) {
+ assert(parameters->roi_compno >= 0);
+ if (i == (OPJ_UINT32)parameters->roi_compno) {
tccp->roishift = parameters->roi_shift;
} else {
tccp->roishift = 0;
}else{
if (parameters->csty & J2K_CCP_CSTY_PRT) {
int p = 0;
- for (j = tccp->numresolutions - 1; j >= 0; j--) {
+ assert(tccp->numresolutions > 0);
+ for (j = (OPJ_UINT32)(tccp->numresolutions - 1); (int)j >= 0; j--) {
if (p < parameters->res_spec) {
if (parameters->prcw_init[p] < 1) {
}
}
-opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
- int tileno, compno;
- opj_cp_t *cp = NULL;
-
- opj_tcd_t *tcd = NULL; /* TCD component */
+void j2k_setup_encoder_v2( opj_j2k_v2_t *p_j2k,
+ opj_cparameters_t *parameters,
+ opj_image_t *image,
+ struct opj_event_mgr * p_manager)
+{
+ OPJ_UINT32 i, j, tileno, numpocs_tile;
+ opj_cp_v2_t *cp = 00;
+ opj_bool l_res;
- j2k->cio = cio;
- j2k->image = image;
+ if(!p_j2k || !parameters || ! image) {
+ return;
+ }
- cp = j2k->cp;
+ /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
+ cp = &(p_j2k->m_cp);
- /* INDEX >> */
- j2k->cstr_info = cstr_info;
- if (cstr_info) {
- int compno;
- cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
- cstr_info->image_w = image->x1 - image->x0;
- cstr_info->image_h = image->y1 - image->y0;
- cstr_info->prog = (&cp->tcps[0])->prg;
- cstr_info->tw = cp->tw;
- cstr_info->th = cp->th;
- cstr_info->tile_x = cp->tdx; /* new version parser */
- cstr_info->tile_y = cp->tdy; /* new version parser */
- cstr_info->tile_Ox = cp->tx0; /* new version parser */
- cstr_info->tile_Oy = cp->ty0; /* new version parser */
- cstr_info->numcomps = image->numcomps;
- cstr_info->numlayers = (&cp->tcps[0])->numlayers;
- cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
- for (compno=0; compno < image->numcomps; compno++) {
- cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
- }
- cstr_info->D_max = 0.0; /* ADD Marcela */
- cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
- cstr_info->maxmarknum = 100;
- cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
- cstr_info->marknum = 0;
- }
- /* << INDEX */
+ /* set default values for cp */
+ cp->tw = 1;
+ cp->th = 1;
- j2k_write_soc(j2k);
- j2k_write_siz(j2k);
- j2k_write_cod(j2k);
- j2k_write_qcd(j2k);
+ /*
+ copy user encoding parameters
+ */
+ cp->m_specific_param.m_enc.m_cinema = parameters->cp_cinema;
+ cp->m_specific_param.m_enc.m_max_comp_size = parameters->max_comp_size;
+ cp->rsiz = parameters->cp_rsiz;
+ cp->m_specific_param.m_enc.m_disto_alloc = parameters->cp_disto_alloc;
+ cp->m_specific_param.m_enc.m_fixed_alloc = parameters->cp_fixed_alloc;
+ cp->m_specific_param.m_enc.m_fixed_quality = parameters->cp_fixed_quality;
- if(cp->cinema){
- for (compno = 1; compno < image->numcomps; compno++) {
- j2k_write_coc(j2k, compno);
- j2k_write_qcc(j2k, compno);
- }
+ /* mod fixed_quality */
+ if (parameters->cp_matrice) {
+ size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(OPJ_INT32);
+ cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
+ memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice, array_size);
}
- for (compno = 0; compno < image->numcomps; compno++) {
- opj_tcp_t *tcp = &cp->tcps[0];
- if (tcp->tccps[compno].roishift)
- j2k_write_rgn(j2k, compno, 0);
- }
- if (cp->comment != NULL) {
- j2k_write_com(j2k);
- }
+ /* tiles */
+ cp->tdx = parameters->cp_tdx;
+ cp->tdy = parameters->cp_tdy;
- j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
- /* TLM Marker*/
- if(cp->cinema){
- j2k_write_tlm(j2k);
- if (cp->cinema == CINEMA4K_24) {
- j2k_write_poc(j2k);
+ /* tile offset */
+ cp->tx0 = parameters->cp_tx0;
+ cp->ty0 = parameters->cp_ty0;
+
+ /* comment string */
+ if(parameters->cp_comment) {
+ cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
+ if(cp->comment) {
+ strcpy(cp->comment, parameters->cp_comment);
}
}
- /* uncomment only for testing JPSEC marker writing */
- /* j2k_write_sec(j2k); */
+ /*
+ calculate other encoding parameters
+ */
- /* INDEX >> */
- if(cstr_info) {
- cstr_info->main_head_end = cio_tell(cio) - 1;
+ if (parameters->tile_size_on) {
+ cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
+ cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
+ } else {
+ cp->tdx = image->x1 - cp->tx0;
+ cp->tdy = image->y1 - cp->ty0;
}
- /* << INDEX */
- /**** Main Header ENDS here ***/
- /* create the tile encoder */
- tcd = tcd_create(j2k->cinfo);
+ if (parameters->tp_on) {
+ cp->m_specific_param.m_enc.m_tp_flag = parameters->tp_flag;
+ cp->m_specific_param.m_enc.m_tp_on = 1;
+ }
- /* encode each tile */
- for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
- int pino;
- int tilepartno=0;
- /* UniPG>> */
- int acc_pack_num = 0;
- /* <<UniPG */
+#ifdef USE_JPWL
+ /*
+ calculate JPWL encoding parameters
+ */
+ if (parameters->jpwl_epc_on) {
+ OPJ_INT32 i;
- opj_tcp_t *tcp = &cp->tcps[tileno];
- opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
+ /* set JPWL on */
+ cp->epc_on = OPJ_TRUE;
+ cp->info_on = OPJ_FALSE; /* no informative technique */
- j2k->curtileno = tileno;
- j2k->cur_tp_num = 0;
- tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
- /* initialisation before tile encoding */
- if (tileno == 0) {
- tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
- } else {
- tcd_init_encode(tcd, image, cp, j2k->curtileno);
- }
+ /* set EPB on */
+ if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
+ cp->epb_on = OPJ_TRUE;
- /* INDEX >> */
- if(cstr_info) {
- cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
- cstr_info->tile[j2k->curtileno].maxmarknum = 10;
- cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
- cstr_info->tile[j2k->curtileno].marknum = 0;
+ cp->hprot_MH = parameters->jpwl_hprot_MH;
+ for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
+ cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
+ cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
+ }
+ /* if tile specs are not specified, copy MH specs */
+ if (cp->hprot_TPH[0] == -1) {
+ cp->hprot_TPH_tileno[0] = 0;
+ cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
+ }
+ for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
+ cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
+ cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
+ cp->pprot[i] = parameters->jpwl_pprot[i];
+ }
}
- /* << INDEX */
- for(pino = 0; pino <= tcp->numpocs; pino++) {
- int tot_num_tp;
- tcd->cur_pino=pino;
+ /* set ESD writing */
+ if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
+ cp->esd_on = OPJ_TRUE;
- /*Get number of tile parts*/
- tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
- tcd->tp_pos = cp->tp_pos;
+ cp->sens_size = parameters->jpwl_sens_size;
+ cp->sens_addr = parameters->jpwl_sens_addr;
+ cp->sens_range = parameters->jpwl_sens_range;
- for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
- j2k->tp_num = tilepartno;
- /* INDEX >> */
- if(cstr_info)
- cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
- cio_tell(cio) + j2k->pos_correction;
- /* << INDEX */
- j2k_write_sot(j2k);
+ cp->sens_MH = parameters->jpwl_sens_MH;
+ for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
+ cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
+ cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
+ }
+ }
- if(j2k->cur_tp_num == 0 && cp->cinema == 0){
- for (compno = 1; compno < image->numcomps; compno++) {
- j2k_write_coc(j2k, compno);
- j2k_write_qcc(j2k, compno);
- }
- if (cp->tcps[tileno].numpocs) {
- j2k_write_poc(j2k);
- }
- }
+ /* always set RED writing to false: we are at the encoder */
+ cp->red_on = OPJ_FALSE;
- /* INDEX >> */
- if(cstr_info)
- cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
- cio_tell(cio) + j2k->pos_correction + 1;
- /* << INDEX */
+ } else {
+ cp->epc_on = OPJ_FALSE;
+ }
+#endif /* USE_JPWL */
- j2k_write_sod(j2k, tcd);
- /* INDEX >> */
- if(cstr_info) {
- cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
- cio_tell(cio) + j2k->pos_correction - 1;
- cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
- acc_pack_num;
- cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
- cstr_info->packno - acc_pack_num;
- acc_pack_num = cstr_info->packno;
- }
- /* << INDEX */
+ /* initialize the mutiple tiles */
+ /* ---------------------------- */
+ cp->tcps = (opj_tcp_v2_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_v2_t));
+ if (parameters->numpocs) {
+ /* initialisation of POC */
+ l_res = j2k_check_poc_val(parameters->POC,parameters->numpocs, parameters->numresolution, image->numcomps, parameters->tcp_numlayers, p_manager);
+ // TODO
+ }
- j2k->cur_tp_num++;
- }
- }
- if(cstr_info) {
- cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ opj_tcp_v2_t *tcp = &cp->tcps[tileno];
+ tcp->numlayers = parameters->tcp_numlayers;
+
+ for (j = 0; j < tcp->numlayers; j++) {
+ if(cp->m_specific_param.m_enc.m_cinema){
+ if (cp->m_specific_param.m_enc.m_fixed_quality) {
+ tcp->distoratio[j] = parameters->tcp_distoratio[j];
+ }
+ tcp->rates[j] = parameters->tcp_rates[j];
+ }else{
+ if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
+ tcp->distoratio[j] = parameters->tcp_distoratio[j];
+ } else {
+ tcp->rates[j] = parameters->tcp_rates[j];
+ }
+ }
}
+ tcp->csty = parameters->csty;
+ tcp->prg = parameters->prog_order;
+ tcp->mct = parameters->tcp_mct;
- /*
- if (tile->PPT) { // BAD PPT !!!
- FILE *PPT_file;
- int i;
- PPT_file=fopen("PPT","rb");
- fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
- for (i=0;i<tile->len_ppt;i++) {
- unsigned char elmt;
- fread(&elmt, 1, 1, PPT_file);
- fwrite(&elmt,1,1,f);
- }
- fclose(PPT_file);
- unlink("PPT");
- }
- */
+ numpocs_tile = 0;
+ tcp->POC = 0;
- }
+ if (parameters->numpocs) {
+ /* initialisation of POC */
+ tcp->POC = 1;
+ // TODO
+ for (i = 0; i < (unsigned int) parameters->numpocs; i++) {
+ if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
+ opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
- /* destroy the tile encoder */
- tcd_free_encode(tcd);
- tcd_destroy(tcd);
+ tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
+ tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
+ tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
+ tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
+ tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
+ tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
+ tcp_poc->tile = parameters->POC[numpocs_tile].tile;
- opj_free(j2k->cur_totnum_tp);
+ numpocs_tile++;
+ }
+ }
- j2k_write_eoc(j2k);
+ tcp->numpocs = numpocs_tile -1 ;
+ }else{
+ tcp->numpocs = 0;
+ }
- if(cstr_info) {
- cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
- /* UniPG>> */
- /* The following adjustment is done to adjust the codestream size */
- /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
- /* the first bunch of bytes is not in the codestream */
- cstr_info->codestream_size -= cstr_info->main_head_start;
- /* <<UniPG */
- }
+ tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
-#ifdef USE_JPWL
- /*
- preparation of JPWL marker segments
- */
- if(cp->epc_on) {
+ if (parameters->mct_data) {
- /* encode according to JPWL */
- jpwl_encode(j2k, cio, image);
+ opj_event_msg_v2(p_manager, EVT_ERROR, "MCT not supported for now\n");
+ return;
- }
-#endif /* USE_JPWL */
+ /* TODO MSD : merge v2 add invert.c or used a external lib ?
+ OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * sizeof(OPJ_FLOAT32);
+ OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
+ OPJ_INT32 * l_dc_shift = (OPJ_INT32 *) ((OPJ_BYTE *) parameters->mct_data + lMctSize);
- return OPJ_TRUE;
-}
+ tcp->mct = 2;
+ tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
+ memcpy(tcp->m_mct_coding_matrix,parameters->mct_data,lMctSize);
+ memcpy(lTmpBuf,parameters->mct_data,lMctSize);
-static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len)
-{
- assert(cstr_info != 00);
+ tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
+ assert(opj_matrix_inversion_f(lTmpBuf,(tcp->m_mct_decoding_matrix),image->numcomps));
- /* expand the list? */
- if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
- cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
- cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
- }
+ tcp->mct_norms = (OPJ_FLOAT64*)
+ opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
- /* add the marker */
- cstr_info->marker[cstr_info->marknum].type = type;
- cstr_info->marker[cstr_info->marknum].pos = pos;
- cstr_info->marker[cstr_info->marknum].len = len;
- cstr_info->marknum++;
+ opj_calculate_norms(tcp->mct_norms,image->numcomps,tcp->m_mct_decoding_matrix);
+ opj_free(lTmpBuf);
-}
+ for (i = 0; i < image->numcomps; i++) {
+ opj_tccp_t *tccp = &tcp->tccps[i];
+ tccp->m_dc_level_shift = l_dc_shift[i];
+ }
-static void j2k_add_mhmarker_v2(opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
-{
- assert(cstr_index != 00);
+ j2k_setup_mct_encoding(tcp,image);
+ */
+ }
+ else {
+ for (i = 0; i < image->numcomps; i++) {
+ opj_tccp_t *tccp = &tcp->tccps[i];
+ opj_image_comp_t * l_comp = &(image->comps[i]);
- /* expand the list? */
- if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
- cstr_index->maxmarknum = 100 + (int) ((float) cstr_index->maxmarknum * 1.0F);
- cstr_index->marker = (opj_marker_info_t*)opj_realloc(cstr_index->marker, cstr_index->maxmarknum *sizeof(opj_marker_info_t));
- }
+ if (! l_comp->sgnd) {
+ tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
+ }
+ }
+ }
- /* add the marker */
- cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
- cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
- cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
- cstr_index->marknum++;
+ for (i = 0; i < image->numcomps; i++) {
+ opj_tccp_t *tccp = &tcp->tccps[i];
-}
+ tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
+ tccp->numresolutions = parameters->numresolution;
+ tccp->cblkw = int_floorlog2(parameters->cblockw_init);
+ tccp->cblkh = int_floorlog2(parameters->cblockh_init);
+ tccp->cblksty = parameters->mode;
+ tccp->qmfbid = parameters->irreversible ? 0 : 1;
+ tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
+ tccp->numgbits = 2;
-static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len)
-{
- opj_marker_info_t *marker;
+ if (i == parameters->roi_compno) {
+ tccp->roishift = parameters->roi_shift;
+ } else {
+ tccp->roishift = 0;
+ }
- assert(cstr_info != 00);
+ if(parameters->cp_cinema) {
+ //Precinct size for lowest frequency subband=128
+ tccp->prcw[0] = 7;
+ tccp->prch[0] = 7;
+ //Precinct size at all other resolutions = 256
+ for (j = 1; j < tccp->numresolutions; j++) {
+ tccp->prcw[j] = 8;
+ tccp->prch[j] = 8;
+ }
+ }else{
+ if (parameters->csty & J2K_CCP_CSTY_PRT) {
+ OPJ_INT32 p = 0, it_res;
+ for (it_res = tccp->numresolutions - 1; it_res >= 0; it_res--) {
+ if (p < parameters->res_spec) {
- /* expand the list? */
- if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
- cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
- cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
- }
+ if (parameters->prcw_init[p] < 1) {
+ tccp->prcw[it_res] = 1;
+ } else {
+ tccp->prcw[it_res] = int_floorlog2(parameters->prcw_init[p]);
+ }
- marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
+ if (parameters->prch_init[p] < 1) {
+ tccp->prch[it_res] = 1;
+ }else {
+ tccp->prch[it_res] = int_floorlog2(parameters->prch_init[p]);
+ }
- /* add the marker */
- marker->type = type;
- marker->pos = pos;
- marker->len = len;
- cstr_info->tile[tileno].marknum++;
-}
+ } else {
+ int res_spec = parameters->res_spec;
+ int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
+ int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
-static void j2k_add_tlmarker_v2(OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
-{
- assert(cstr_index != 00);
- assert(cstr_index->tile_index != 00);
+ if (size_prcw < 1) {
+ tccp->prcw[it_res] = 1;
+ } else {
+ tccp->prcw[it_res] = int_floorlog2(size_prcw);
+ }
- /* expand the list? */
- if ((cstr_index->tile_index[tileno].marknum + 1) > cstr_index->tile_index[tileno].maxmarknum) {
- cstr_index->tile_index[tileno].maxmarknum = 100 + (int) ((float) cstr_index->tile_index[tileno].maxmarknum * 1.0F);
- cstr_index->tile_index[tileno].marker =
- (opj_marker_info_t*)opj_realloc(cstr_index->tile_index[tileno].marker,
- cstr_index->tile_index[tileno].maxmarknum *sizeof(opj_marker_info_t));
+ if (size_prch < 1) {
+ tccp->prch[it_res] = 1;
+ } else {
+ tccp->prch[it_res] = int_floorlog2(size_prch);
+ }
+ }
+ p++;
+ /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
+ } //end for
+ } else {
+ for (j = 0; j < tccp->numresolutions; j++) {
+ tccp->prcw[j] = 15;
+ tccp->prch[j] = 15;
+ }
+ }
+ }
+
+ dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
+ }
}
- /* add the marker */
- cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type = (OPJ_UINT16)type;
- cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos = (OPJ_INT32)pos;
- cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len = (OPJ_INT32)len;
- cstr_index->tile_index[tileno].marknum++;
+ if (parameters->mct_data) {
+ opj_free(parameters->mct_data);
+ parameters->mct_data = 00;
+ }
+}
- if (type == J2K_MS_SOT) {
- OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
-
- if (cstr_index->tile_index[tileno].tp_index)
- cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
- }
-}
+opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
+ int tileno;
+ OPJ_UINT32 compno;
+ opj_cp_t *cp = NULL;
+ opj_tcd_t *tcd = NULL; /* TCD component */
-/*
- * -----------------------------------------------------------------------
- * -----------------------------------------------------------------------
- * -----------------------------------------------------------------------
- */
+ j2k->cio = cio;
+ j2k->image = image;
-/**
- * Ends the decompression procedures and possibiliy add data to be read after the
- * codestream.
- */
-opj_bool j2k_end_decompress(
- opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager)
-{
- return OPJ_TRUE;
-}
+ cp = j2k->cp;
-/**
- * Reads a jpeg2000 codestream header structure.
+ /* INDEX >> */
+ j2k->cstr_info = cstr_info;
+ if (cstr_info) {
+ OPJ_UINT32 compno;
+ cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
+ cstr_info->image_w = image->x1 - image->x0;
+ cstr_info->image_h = image->y1 - image->y0;
+ cstr_info->prog = (&cp->tcps[0])->prg;
+ cstr_info->tw = cp->tw;
+ cstr_info->th = cp->th;
+ cstr_info->tile_x = cp->tdx; /* new version parser */
+ cstr_info->tile_y = cp->tdy; /* new version parser */
+ cstr_info->tile_Ox = cp->tx0; /* new version parser */
+ cstr_info->tile_Oy = cp->ty0; /* new version parser */
+ cstr_info->numcomps = image->numcomps;
+ cstr_info->numlayers = (&cp->tcps[0])->numlayers;
+ cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
+ for (compno=0; compno < image->numcomps; compno++) {
+ cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
+ }
+ cstr_info->D_max = 0.0; /* ADD Marcela */
+ cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
+ cstr_info->maxmarknum = 100;
+ cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
+ cstr_info->marknum = 0;
+ }
+ /* << INDEX */
- *
- * @param p_stream the stream to read data from.
- * @param p_j2k the jpeg2000 codec.
- * @param p_manager the user event manager.
- *
- * @return true if the box is valid.
- */
-opj_bool j2k_read_header( struct opj_stream_private *p_stream,
- opj_j2k_v2_t* p_j2k,
- opj_image_t** p_image,
- struct opj_event_mgr* p_manager )
-{
- /* preconditions */
- assert(p_j2k != 00);
- assert(p_stream != 00);
- assert(p_manager != 00);
+ j2k_write_soc(j2k);
+ j2k_write_siz(j2k);
+ j2k_write_cod(j2k);
+ j2k_write_qcd(j2k);
- /* create an empty image header */
- p_j2k->m_private_image = opj_image_create0();
- if (! p_j2k->m_private_image) {
- return OPJ_FALSE;
+ if(cp->cinema){
+ for (compno = 1; compno < image->numcomps; compno++) {
+ j2k_write_coc(j2k, compno);
+ j2k_write_qcc(j2k, compno);
+ }
}
- /* customization of the validation */
- j2k_setup_decoding_validation(p_j2k);
+ for (compno = 0; compno < image->numcomps; compno++) {
+ opj_tcp_t *tcp = &cp->tcps[0];
+ if (tcp->tccps[compno].roishift)
+ j2k_write_rgn(j2k, compno, 0);
+ }
+ if (cp->comment != NULL) {
+ j2k_write_com(j2k);
+ }
- /* validation of the parameters codec */
- if (! j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream,p_manager)) {
- opj_image_destroy(p_j2k->m_private_image);
- p_j2k->m_private_image = NULL;
- return OPJ_FALSE;
+ j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
+ /* TLM Marker*/
+ if(cp->cinema){
+ j2k_write_tlm(j2k);
+ if (cp->cinema == CINEMA4K_24) {
+ j2k_write_poc(j2k);
+ }
}
- /* customization of the encoding */
- j2k_setup_header_reading(p_j2k);
+ /* uncomment only for testing JPSEC marker writing */
+ /* j2k_write_sec(j2k); */
- /* read header */
- if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
- opj_image_destroy(p_j2k->m_private_image);
- p_j2k->m_private_image = NULL;
- return OPJ_FALSE;
+ /* INDEX >> */
+ if(cstr_info) {
+ cstr_info->main_head_end = cio_tell(cio) - 1;
}
+ /* << INDEX */
+ /**** Main Header ENDS here ***/
- *p_image = opj_image_create0();
- if (! (*p_image)) {
- return OPJ_FALSE;
- }
+ /* create the tile encoder */
+ tcd = tcd_create(j2k->cinfo);
- /* Copy codestream image information to the output image */
- opj_copy_image_header(p_j2k->m_private_image, *p_image);
+ /* encode each tile */
+ for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
+ int pino;
+ int tilepartno=0;
+ /* UniPG>> */
+ int acc_pack_num = 0;
+ /* <<UniPG */
- return OPJ_TRUE;
-}
+ opj_tcp_t *tcp = &cp->tcps[tileno];
+ opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
-/**
- * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
- */
-void j2k_setup_header_reading (opj_j2k_v2_t *p_j2k)
-{
- /* preconditions*/
- assert(p_j2k != 00);
+ j2k->curtileno = tileno;
+ j2k->cur_tp_num = 0;
+ tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
+ /* initialisation before tile encoding */
+ if (tileno == 0) {
+ tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
+ } else {
+ tcd_init_encode(tcd, image, cp, j2k->curtileno);
+ }
- opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_read_header_procedure);
+ /* INDEX >> */
+ if(cstr_info) {
+ cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
+ cstr_info->tile[j2k->curtileno].maxmarknum = 10;
+ cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
+ cstr_info->tile[j2k->curtileno].marknum = 0;
+ }
+ /* << INDEX */
- /* DEVELOPER CORNER, add your custom procedures */
- opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_copy_default_tcp_and_create_tcd);
+ for(pino = 0; pino <= tcp->numpocs; pino++) {
+ int tot_num_tp;
+ tcd->cur_pino=pino;
-}
+ /*Get number of tile parts*/
+ tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
+ tcd->tp_pos = cp->tp_pos;
-/**
- * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
- * are valid. Developpers wanting to extend the library can add their own validation procedures.
- */
-void j2k_setup_decoding_validation (opj_j2k_v2_t *p_j2k)
-{
- /* preconditions*/
- assert(p_j2k != 00);
+ for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
+ j2k->tp_num = tilepartno;
+ /* INDEX >> */
+ if(cstr_info)
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
+ cio_tell(cio) + j2k->pos_correction;
+ /* << INDEX */
+ j2k_write_sot(j2k);
- opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_build_decoder);
- opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_decoding_validation);
- /* DEVELOPER CORNER, add your custom validation procedure */
+ if(j2k->cur_tp_num == 0 && cp->cinema == 0){
+ for (compno = 1; compno < image->numcomps; compno++) {
+ j2k_write_coc(j2k, compno);
+ j2k_write_qcc(j2k, compno);
+ }
+ if (cp->tcps[tileno].numpocs) {
+ j2k_write_poc(j2k);
+ }
+ }
-}
+ /* INDEX >> */
+ if(cstr_info)
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
+ cio_tell(cio) + j2k->pos_correction + 1;
+ /* << INDEX */
-/**
- * Builds the cp decoder parameters to use to decode tile.
- */
-opj_bool j2k_build_decoder (
- opj_j2k_v2_t * p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager
- )
-{
- /* add here initialization of cp
- // copy paste of setup_decoder*/
- return OPJ_TRUE;
-}
+ j2k_write_sod(j2k, tcd);
-/**
- * The default decoding validation procedure without any extension.
- *
- * @param p_j2k the jpeg2000 codec to validate.
- * @param p_stream the input stream to validate.
- * @param p_manager the user event manager.
- *
- * @return true if the parameters are correct.
- */
-opj_bool j2k_decoding_validation (
- opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager
- )
-{
- opj_bool l_is_valid = OPJ_TRUE;
+ /* INDEX >> */
+ if(cstr_info) {
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
+ cio_tell(cio) + j2k->pos_correction - 1;
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
+ acc_pack_num;
+ cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
+ cstr_info->packno - acc_pack_num;
+ acc_pack_num = cstr_info->packno;
+ }
+ /* << INDEX */
- /* preconditions*/
- assert(p_j2k != 00);
- assert(p_stream != 00);
- assert(p_manager != 00);
+ j2k->cur_tp_num++;
+ }
+ }
+ if(cstr_info) {
+ cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
+ }
- /* STATE checking */
- /* make sure the state is at 0 */
-#ifdef TODO_MSD
- l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
-#endif
- l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
-
- /* POINTER validation */
- /* make sure a p_j2k codec is present */
- /* make sure a procedure list is present */
- l_is_valid &= (p_j2k->m_procedure_list != 00);
- /* make sure a validation list is present */
- l_is_valid &= (p_j2k->m_validation_list != 00);
+ /*
+ if (tile->PPT) { // BAD PPT !!!
+ FILE *PPT_file;
+ int i;
+ PPT_file=fopen("PPT","rb");
+ fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
+ for (i=0;i<tile->len_ppt;i++) {
+ unsigned char elmt;
+ fread(&elmt, 1, 1, PPT_file);
+ fwrite(&elmt,1,1,f);
+ }
+ fclose(PPT_file);
+ unlink("PPT");
+ }
+ */
- /* PARAMETER VALIDATION */
- return l_is_valid;
-}
+ }
-opj_bool j2k_read_header_procedure( opj_j2k_v2_t *p_j2k,
- struct opj_stream_private *p_stream,
- struct opj_event_mgr * p_manager)
-{
- OPJ_UINT32 l_current_marker;
- OPJ_UINT32 l_marker_size;
- const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
+ /* destroy the tile encoder */
+ tcd_free_encode(tcd);
+ tcd_destroy(tcd);
- /* preconditions */
- assert(p_stream != 00);
- assert(p_j2k != 00);
- assert(p_manager != 00);
+ opj_free(j2k->cur_totnum_tp);
- /* We enter in the main header */
- p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
+ j2k_write_eoc(j2k);
- /* Try to read the SOC marker, the codestream must begin with SOC marker */
- if (! j2k_read_soc_v2(p_j2k,p_stream,p_manager)) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Expected a SOC marker \n");
- return OPJ_FALSE;
+ if(cstr_info) {
+ cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
+ /* UniPG>> */
+ /* The following adjustment is done to adjust the codestream size */
+ /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
+ /* the first bunch of bytes is not in the codestream */
+ cstr_info->codestream_size -= cstr_info->main_head_start;
+ /* <<UniPG */
}
- /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
+#ifdef USE_JPWL
+ /*
+ preparation of JPWL marker segments
+ */
+ if(cp->epc_on) {
+
+ /* encode according to JPWL */
+ jpwl_encode(j2k, cio, image);
+
}
+#endif /* USE_JPWL */
- /* Read 2 bytes as the new marker ID */
- opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ return OPJ_TRUE;
+}
- /* Try to read until the SOT is detected */
- while (l_current_marker != J2K_MS_SOT) {
+static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len)
+{
+ assert(cstr_info != 00);
- /* Check if the current marker ID is valid */
- if (l_current_marker < 0xff00) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "We expected read a marker ID (0xff--) instead of %.8x\n", l_current_marker);
- return OPJ_FALSE;
- }
+ /* expand the list? */
+ if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
+ cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
+ cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
+ }
- /* Get the marker handler from the marker ID */
- l_marker_handler = j2k_get_marker_handler(l_current_marker);
+ /* add the marker */
+ cstr_info->marker[cstr_info->marknum].type = type;
+ cstr_info->marker[cstr_info->marknum].pos = pos;
+ cstr_info->marker[cstr_info->marknum].len = len;
+ cstr_info->marknum++;
- /* Manage case where marker is unknown */
- if (l_marker_handler->id == J2K_MS_UNK) {
- if (! j2k_read_unk_v2(p_j2k, p_stream, &l_current_marker, p_manager)){
- opj_event_msg_v2(p_manager, EVT_ERROR, "Unknow marker have been detected and generated error.\n");
- return OPJ_FALSE;
- }
+}
- if (l_current_marker == J2K_MS_SOT)
- break; /* SOT marker is detected main header is completely read */
- else /* Get the marker handler from the marker ID */
- l_marker_handler = j2k_get_marker_handler(l_current_marker);
- }
+static void j2k_add_mhmarker_v2(opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
+{
+ assert(cstr_index != 00);
- /* Check if the marker is known and if it is the right place to find it */
- if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
- return OPJ_FALSE;
- }
+ /* expand the list? */
+ if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
+ cstr_index->maxmarknum = 100 + (int) ((float) cstr_index->maxmarknum * 1.0F);
+ cstr_index->marker = (opj_marker_info_t*)opj_realloc(cstr_index->marker, cstr_index->maxmarknum *sizeof(opj_marker_info_t));
+ }
- /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
+ /* add the marker */
+ cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
+ cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
+ cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
+ cstr_index->marknum++;
- /* read 2 bytes as the marker size */
- opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
- l_marker_size -= 2; /* Subtract the size of the marker ID already read */
+}
- /* Check if the marker size is compatible with the header data size */
- if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
- p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
- opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
- if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
- return OPJ_FALSE;
- }
- p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
- }
+static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len)
+{
+ opj_marker_info_t *marker;
- /* Try to read the rest of the marker segment from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
+ assert(cstr_info != 00);
- /* Read the marker segment with the correct marker handler */
- if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Marker handler function failed to read the marker segment\n");
- return OPJ_FALSE;
- }
+ /* expand the list? */
+ if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
+ cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
+ cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
+ }
- /* Add the marker to the codestream index*/
- j2k_add_mhmarker_v2(p_j2k->cstr_index,
- l_marker_handler->id,
- (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
- l_marker_size + 4 );
+ marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
- /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
+ /* add the marker */
+ marker->type = type;
+ marker->pos = pos;
+ marker->len = len;
+ cstr_info->tile[tileno].marknum++;
+}
- /* read 2 bytes as the new marker ID */
- opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+static void j2k_add_tlmarker_v2(OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
+{
+ assert(cstr_index != 00);
+ assert(cstr_index->tile_index != 00);
+
+ /* expand the list? */
+ if ((cstr_index->tile_index[tileno].marknum + 1) > cstr_index->tile_index[tileno].maxmarknum) {
+ cstr_index->tile_index[tileno].maxmarknum = 100 + (int) ((float) cstr_index->tile_index[tileno].maxmarknum * 1.0F);
+ cstr_index->tile_index[tileno].marker =
+ (opj_marker_info_t*)opj_realloc(cstr_index->tile_index[tileno].marker,
+ cstr_index->tile_index[tileno].maxmarknum *sizeof(opj_marker_info_t));
}
- opj_event_msg_v2(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
+ /* add the marker */
+ cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type = (OPJ_UINT16)type;
+ cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos = (OPJ_INT32)pos;
+ cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len = (OPJ_INT32)len;
+ cstr_index->tile_index[tileno].marknum++;
- /* Position of the last element if the main header */
- p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
+ if (type == J2K_MS_SOT) {
+ OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
+
+ if (cstr_index->tile_index[tileno].tp_index)
+ cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
+
+ }
+}
- /* Next step: read a tile-part header */
- p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+/*
+ * -----------------------------------------------------------------------
+ * -----------------------------------------------------------------------
+ * -----------------------------------------------------------------------
+ */
+
+/**
+ * Ends the decompression procedures and possibiliy add data to be read after the
+ * codestream.
+ */
+opj_bool j2k_end_decompress(
+ opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager)
+{
+ (void)p_j2k;
+ (void)p_stream;
+ (void)p_manager;
return OPJ_TRUE;
}
/**
- * Excutes the given procedures on the given codec.
+ * Reads a jpeg2000 codestream header structure.
+
*
- * @param p_procedure_list the list of procedures to execute
- * @param p_j2k the jpeg2000 codec to execute the procedures on.
- * @param p_stream the stream to execute the procedures on.
- * @param p_manager the user manager.
+ * @param p_stream the stream to read data from.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_manager the user event manager.
*
- * @return true if all the procedures were successfully executed.
+ * @return true if the box is valid.
*/
-opj_bool j2k_exec ( opj_j2k_v2_t * p_j2k,
- opj_procedure_list_t * p_procedure_list,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager )
+opj_bool j2k_read_header( struct opj_stream_private *p_stream,
+ opj_j2k_v2_t* p_j2k,
+ opj_image_t** p_image,
+ struct opj_event_mgr* p_manager )
{
- opj_bool (** l_procedure) (opj_j2k_v2_t * ,opj_stream_private_t *,opj_event_mgr_t *) = 00;
- opj_bool l_result = OPJ_TRUE;
- OPJ_UINT32 l_nb_proc, i;
-
- /* preconditions*/
- assert(p_procedure_list != 00);
+ /* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
+ /* create an empty image header */
+ p_j2k->m_private_image = opj_image_create0();
+ if (! p_j2k->m_private_image) {
+ return OPJ_FALSE;
+ }
- l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
- l_procedure = (opj_bool (**) (opj_j2k_v2_t * ,opj_stream_private_t *,opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
+ /* customization of the validation */
+ j2k_setup_decoding_validation(p_j2k);
- for (i=0;i<l_nb_proc;++i) {
- l_result = l_result && ((*l_procedure) (p_j2k,p_stream,p_manager));
- ++l_procedure;
+ /* validation of the parameters codec */
+ if (! j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream,p_manager)) {
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+ return OPJ_FALSE;
}
- /* and clear the procedure list at the end.*/
- opj_procedure_list_clear(p_procedure_list);
- return l_result;
+ /* customization of the encoding */
+ j2k_setup_header_reading(p_j2k);
+
+ /* read header */
+ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+ return OPJ_FALSE;
+ }
+
+ *p_image = opj_image_create0();
+ if (! (*p_image)) {
+ return OPJ_FALSE;
+ }
+
+ /* Copy codestream image information to the output image */
+ opj_copy_image_header(p_j2k->m_private_image, *p_image);
+
+ /*Allocate and initialize some elements of codestrem index*/
+ if (!j2k_allocate_tile_element_cstr_index(p_j2k)){
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
}
-/* FIXME DOC*/
-opj_bool j2k_copy_default_tcp_and_create_tcd
- (
- opj_j2k_v2_t * p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager
- )
+/**
+ * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
+ */
+void j2k_setup_header_reading (opj_j2k_v2_t *p_j2k)
{
- opj_tcp_v2_t * l_tcp = 00;
- opj_tcp_v2_t * l_default_tcp = 00;
- OPJ_UINT32 l_nb_tiles;
+ /* preconditions*/
+ assert(p_j2k != 00);
+
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_read_header_procedure);
+
+ /* DEVELOPER CORNER, add your custom procedures */
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_copy_default_tcp_and_create_tcd);
+
+}
+
+/**
+ * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
+ * are valid. Developpers wanting to extend the library can add their own validation procedures.
+ */
+void j2k_setup_decoding_validation (opj_j2k_v2_t *p_j2k)
+{
+ /* preconditions*/
+ assert(p_j2k != 00);
+
+ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)j2k_build_decoder);
+ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)j2k_decoding_validation);
+ /* DEVELOPER CORNER, add your custom validation procedure */
+
+}
+
+
+/**
+ * The mct encoding validation procedure.
+ *
+ * @param p_j2k the jpeg2000 codec to validate.
+ * @param p_stream the input stream to validate.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the parameters are correct.
+ */
+opj_bool j2k_mct_validation ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ opj_bool l_is_valid = OPJ_TRUE;
OPJ_UINT32 i,j;
- opj_tccp_t *l_current_tccp = 00;
- OPJ_UINT32 l_tccp_size;
- OPJ_UINT32 l_mct_size;
- opj_image_t * l_image;
- OPJ_UINT32 l_mcc_records_size,l_mct_records_size;
- opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
- opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
- OPJ_UINT32 l_offset;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
- l_image = p_j2k->m_private_image;
- l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
- l_tcp = p_j2k->m_cp.tcps;
- l_tccp_size = l_image->numcomps * sizeof(opj_tccp_t);
- l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
- l_mct_size = l_image->numcomps * l_image->numcomps * sizeof(OPJ_FLOAT32);
+ if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
+ OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+ opj_tcp_v2_t * l_tcp = p_j2k->m_cp.tcps;
- /* For each tile */
- for (i=0; i<l_nb_tiles; ++i) {
- /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
- l_current_tccp = l_tcp->tccps;
- /*Copy default coding parameters into the current tile coding parameters*/
- memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_v2_t));
- /* Initialize some values of the current tile coding parameters*/
- l_tcp->ppt = 0;
- l_tcp->ppt_data = 00;
- /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
- l_tcp->tccps = l_current_tccp;
+ for (i=0;i<l_nb_tiles;++i) {
+ if (l_tcp->mct == 2) {
+ opj_tccp_t * l_tccp = l_tcp->tccps;
+ l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
- /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
- if (l_default_tcp->m_mct_decoding_matrix) {
- l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
- if (! l_tcp->m_mct_decoding_matrix ) {
- return OPJ_FALSE;
+ for (j=0;j<p_j2k->m_private_image->numcomps;++j) {
+ l_is_valid &= ! (l_tccp->qmfbid & 1);
+ ++l_tccp;
+ }
}
- memcpy(l_tcp->m_mct_decoding_matrix,l_default_tcp->m_mct_decoding_matrix,l_mct_size);
+ ++l_tcp;
}
+ }
- /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
- l_mct_records_size = l_default_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t);
- l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
- if (! l_tcp->m_mct_records) {
- return OPJ_FALSE;
- }
- memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records,l_mct_records_size);
+ return l_is_valid;
+}
- /* Copy the mct record data from dflt_tile_cp to the current tile*/
- l_src_mct_rec = l_default_tcp->m_mct_records;
- l_dest_mct_rec = l_tcp->m_mct_records;
+opj_bool j2k_setup_mct_encoding(opj_tcp_v2_t * p_tcp, opj_image_t * p_image)
+{
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_indix = 1;
+ opj_mct_data_t * l_mct_deco_data = 00,* l_mct_offset_data = 00;
+ opj_simple_mcc_decorrelation_data_t * l_mcc_data;
+ OPJ_UINT32 l_mct_size,l_nb_elem;
+ OPJ_FLOAT32 * l_data, * l_current_data;
+ opj_tccp_t * l_tccp;
- for (j=0;j<l_default_tcp->m_nb_mct_records;++j) {
+ // preconditions
+ assert(p_tcp != 00);
- if (l_src_mct_rec->m_data) {
+ if (p_tcp->mct != 2) {
+ return OPJ_TRUE;
+ }
- l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
- if(! l_dest_mct_rec->m_data) {
- return OPJ_FALSE;
- }
- memcpy(l_dest_mct_rec->m_data,l_src_mct_rec->m_data,l_src_mct_rec->m_data_size);
+ if (p_tcp->m_mct_decoding_matrix) {
+ if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
+ p_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
+
+ p_tcp->m_mct_records = (opj_mct_data_t*)opj_realloc(p_tcp->m_mct_records,p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
+ if (! p_tcp->m_mct_records) {
+ return OPJ_FALSE;
}
+ l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
- ++l_src_mct_rec;
- ++l_dest_mct_rec;
+ memset(l_mct_deco_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
}
+ l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
- /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
- l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t);
- l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(l_mcc_records_size);
- if (! l_tcp->m_mcc_records) {
+ if (l_mct_deco_data->m_data) {
+ opj_free(l_mct_deco_data->m_data);
+ l_mct_deco_data->m_data = 00;
+ }
+
+ l_mct_deco_data->m_index = l_indix++;
+ l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
+ l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
+ l_nb_elem = p_image->numcomps * p_image->numcomps;
+ l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
+ l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size );
+
+ if (! l_mct_deco_data->m_data) {
return OPJ_FALSE;
}
- memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size);
- /* Copy the mcc record data from dflt_tile_cp to the current tile*/
- l_src_mcc_rec = l_default_tcp->m_mcc_records;
- l_dest_mcc_rec = l_tcp->m_mcc_records;
+ j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](p_tcp->m_mct_decoding_matrix,l_mct_deco_data->m_data,l_nb_elem);
- for (j=0;j<l_default_tcp->m_nb_max_mcc_records;++j) {
+ l_mct_deco_data->m_data_size = l_mct_size;
+ ++p_tcp->m_nb_mct_records;
+ }
- if (l_src_mcc_rec->m_decorrelation_array) {
- l_offset = l_src_mcc_rec->m_decorrelation_array - l_default_tcp->m_mct_records;
- l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
- }
+ if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
+ p_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
+ p_tcp->m_mct_records = (opj_mct_data_t*)opj_realloc(p_tcp->m_mct_records,p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
- if (l_src_mcc_rec->m_offset_array) {
- l_offset = l_src_mcc_rec->m_offset_array - l_default_tcp->m_mct_records;
- l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
- }
+ if (! p_tcp->m_mct_records) {
+ return OPJ_FALSE;
+ }
- ++l_src_mcc_rec;
- ++l_dest_mcc_rec;
+ l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
+ memset(l_mct_offset_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
+
+ if (l_mct_deco_data) {
+ l_mct_deco_data = l_mct_offset_data - 1;
}
+ }
- /* Copy all the dflt_tile_compo_cp to the current tile cp */
- memcpy(l_current_tccp,l_default_tcp->tccps,l_tccp_size);
+ l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
- /* Move to next tile cp*/
- ++l_tcp;
+ if (l_mct_offset_data->m_data) {
+ opj_free(l_mct_offset_data->m_data);
+ l_mct_offset_data->m_data = 00;
}
- /* Create the current tile decoder*/
- p_j2k->m_tcd = (opj_tcd_v2_t*)tcd_create_v2(OPJ_TRUE); /* FIXME why a cast ? */
- if (! p_j2k->m_tcd ) {
+ l_mct_offset_data->m_index = l_indix++;
+ l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
+ l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
+ l_nb_elem = p_image->numcomps;
+ l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
+ l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size );
+
+ if (! l_mct_offset_data->m_data) {
return OPJ_FALSE;
}
- if ( !tcd_init_v2(p_j2k->m_tcd, l_image, &(p_j2k->m_cp)) ) {
- tcd_destroy_v2(p_j2k->m_tcd);
- p_j2k->m_tcd = 00;
- opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
+ l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
+ if (! l_data) {
+ opj_free(l_mct_offset_data->m_data);
+ l_mct_offset_data->m_data = 00;
return OPJ_FALSE;
}
- return OPJ_TRUE;
-}
+ l_tccp = p_tcp->tccps;
+ l_current_data = l_data;
-/**
- * Reads the lookup table containing all the marker, status and action, and returns the handler associated
- * with the marker value.
- * @param p_id Marker value to look up
- *
- * @return the handler associated with the id.
-*/
-const opj_dec_memory_marker_handler_t * j2k_get_marker_handler (OPJ_UINT32 p_id)
-{
- const opj_dec_memory_marker_handler_t *e;
- for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
- if (e->id == p_id) {
- break; /* we find a handler corresponding to the marker ID*/
- }
+ for (i=0;i<l_nb_elem;++i) {
+ *(l_current_data++) = (OPJ_FLOAT32) (l_tccp->m_dc_level_shift);
+ ++l_tccp;
}
- return e;
-}
+ j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,l_mct_offset_data->m_data,l_nb_elem);
-/**
- * Destroys a jpeg2000 codec.
- *
- * @param p_j2k the jpeg20000 structure to destroy.
- */
-void j2k_destroy (opj_j2k_v2_t *p_j2k)
-{
- if (p_j2k == 00) {
- return;
- }
-
- if (p_j2k->m_is_decoder) {
+ opj_free(l_data);
- if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
- j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
- opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
- p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
- }
+ l_mct_offset_data->m_data_size = l_mct_size;
- if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
- opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
- p_j2k->m_specific_param.m_decoder.m_header_data = 00;
- p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
- }
- }
- else {
+ ++p_tcp->m_nb_mct_records;
- if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
- opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
- p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
- }
+ if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
+ p_tcp->m_nb_max_mcc_records += J2K_MCT_DEFAULT_NB_RECORDS;
+ p_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*)
+ opj_realloc(p_tcp->m_mcc_records,p_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t));
- if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
- opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
- p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
- p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
+ if (! p_tcp->m_mcc_records) {
+ return OPJ_FALSE;
}
+ l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
+ memset(l_mcc_data ,0,(p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t));
- if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
- opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
- p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
- p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
- }
}
- tcd_destroy_v2(p_j2k->m_tcd);
+ l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
+ l_mcc_data->m_decorrelation_array = l_mct_deco_data;
+ l_mcc_data->m_is_irreversible = 1;
+ l_mcc_data->m_nb_comps = p_image->numcomps;
+ l_mcc_data->m_index = l_indix++;
+ l_mcc_data->m_offset_array = l_mct_offset_data;
+ ++p_tcp->m_nb_mcc_records;
- j2k_cp_destroy(&(p_j2k->m_cp));
- memset(&(p_j2k->m_cp),0,sizeof(opj_cp_v2_t));
-
- opj_procedure_list_destroy(p_j2k->m_procedure_list);
- p_j2k->m_procedure_list = 00;
-
- opj_procedure_list_destroy(p_j2k->m_validation_list);
- p_j2k->m_procedure_list = 00;
-
- j2k_destroy_cstr_index(p_j2k->cstr_index);
- p_j2k->cstr_index = NULL;
-
- opj_image_destroy(p_j2k->m_private_image);
- p_j2k->m_private_image = NULL;
-
- opj_image_destroy(p_j2k->m_output_image);
- p_j2k->m_output_image = NULL;
-
- opj_free(p_j2k);
+ return OPJ_TRUE;
}
-void j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind)
+/**
+ * Builds the cp decoder parameters to use to decode tile.
+ */
+opj_bool j2k_build_decoder (opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
{
- if (p_cstr_ind) {
-
- if (p_cstr_ind->marker) {
- opj_free(p_cstr_ind->marker);
- p_cstr_ind->marker = NULL;
- }
-
- if (p_cstr_ind->tile_index) {
- OPJ_UINT32 it_tile = 0;
-
- for (it_tile=0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
-
- if(p_cstr_ind->tile_index[it_tile].packet_index) {
- opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
- p_cstr_ind->tile_index[it_tile].packet_index = NULL;
- }
-
- if(p_cstr_ind->tile_index[it_tile].tp_index){
- opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
- p_cstr_ind->tile_index[it_tile].tp_index = NULL;
- }
-
- if(p_cstr_ind->tile_index[it_tile].marker){
- opj_free(p_cstr_ind->tile_index[it_tile].marker);
- p_cstr_ind->tile_index[it_tile].marker = NULL;
-
- }
- }
-
- opj_free( p_cstr_ind->tile_index);
- p_cstr_ind->tile_index = NULL;
- }
-
- opj_free(p_cstr_ind);
- }
+ /* add here initialization of cp
+ copy paste of setup_decoder */
+ (void)p_j2k;
+ (void)p_stream;
+ (void)p_manager;
+ return OPJ_TRUE;
}
-
+/**
+ * Builds the cp encoder parameters to use to encode tile.
+ */
+opj_bool j2k_build_encoder (opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ /* add here initialization of cp
+ copy paste of setup_encoder */
+ (void)p_j2k;
+ (void)p_stream;
+ (void)p_manager;
+ return OPJ_TRUE;
+}
/**
- * Destroys a tile coding parameter structure.
+ * The default encoding validation procedure without any extension.
*
- * @param p_tcp the tile coding parameter to destroy.
+ * @param p_j2k the jpeg2000 codec to validate.
+ * @param p_stream the input stream to validate.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the parameters are correct.
*/
-void j2k_tcp_destroy (opj_tcp_v2_t *p_tcp)
+opj_bool j2k_encoding_validation ( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
{
- if (p_tcp == 00) {
- return;
- }
-
- if (p_tcp->ppt_buffer != 00) {
- opj_free(p_tcp->ppt_buffer);
- p_tcp->ppt_buffer = 00;
- }
-
- if (p_tcp->tccps != 00) {
- opj_free(p_tcp->tccps);
- p_tcp->tccps = 00;
- }
-
- if (p_tcp->m_mct_coding_matrix != 00) {
- opj_free(p_tcp->m_mct_coding_matrix);
- p_tcp->m_mct_coding_matrix = 00;
- }
-
- if (p_tcp->m_mct_decoding_matrix != 00) {
- opj_free(p_tcp->m_mct_decoding_matrix);
- p_tcp->m_mct_decoding_matrix = 00;
- }
-
- if (p_tcp->m_mcc_records) {
- opj_free(p_tcp->m_mcc_records);
- p_tcp->m_mcc_records = 00;
- p_tcp->m_nb_max_mcc_records = 0;
- p_tcp->m_nb_mcc_records = 0;
- }
+ opj_bool l_is_valid = OPJ_TRUE;
- if (p_tcp->m_mct_records) {
- opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
- OPJ_UINT32 i;
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
- for (i=0;i<p_tcp->m_nb_mct_records;++i) {
- if (l_mct_data->m_data) {
- opj_free(l_mct_data->m_data);
- l_mct_data->m_data = 00;
- }
+ /* STATE checking */
+ /* make sure the state is at 0 */
+ l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
- ++l_mct_data;
- }
+ /* POINTER validation */
+ /* make sure a p_j2k codec is present */
+ l_is_valid &= (p_j2k->m_procedure_list != 00);
+ /* make sure a validation list is present */
+ l_is_valid &= (p_j2k->m_validation_list != 00);
- opj_free(p_tcp->m_mct_records);
- p_tcp->m_mct_records = 00;
+ if ((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
+ return OPJ_FALSE;
}
- if (p_tcp->mct_norms != 00) {
- opj_free(p_tcp->mct_norms);
- p_tcp->mct_norms = 00;
+ if ((p_j2k->m_cp.tdy) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
+ return OPJ_FALSE;
}
- j2k_tcp_data_destroy(p_tcp);
-
+ /* PARAMETER VALIDATION */
+ return l_is_valid;
}
/**
- * Destroys the data inside a tile coding parameter structure.
+ * The default decoding validation procedure without any extension.
*
- * @param p_tcp the tile coding parameter which contain data to destroy.
- */
-void j2k_tcp_data_destroy (opj_tcp_v2_t *p_tcp)
-{
- if (p_tcp->m_data) {
- opj_free(p_tcp->m_data);
- p_tcp->m_data = NULL;
- p_tcp->m_data_size = 0;
- }
-}
-
-/**
- * Destroys a coding parameter structure.
+ * @param p_j2k the jpeg2000 codec to validate.
+ * @param p_stream the input stream to validate.
+ * @param p_manager the user event manager.
*
- * @param p_cp the coding parameter to destroy.
+ * @return true if the parameters are correct.
*/
-void j2k_cp_destroy (opj_cp_v2_t *p_cp)
+opj_bool j2k_decoding_validation (
+ opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager
+ )
{
- OPJ_UINT32 l_nb_tiles;
- opj_tcp_v2_t * l_current_tile = 00;
- OPJ_UINT32 i;
+ opj_bool l_is_valid = OPJ_TRUE;
- if
- (p_cp == 00)
- {
- return;
- }
- if
- (p_cp->tcps != 00)
- {
- l_current_tile = p_cp->tcps;
- l_nb_tiles = p_cp->th * p_cp->tw;
+ /* preconditions*/
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
- for
- (i = 0; i < l_nb_tiles; ++i)
- {
- j2k_tcp_destroy(l_current_tile);
- ++l_current_tile;
- }
- opj_free(p_cp->tcps);
- p_cp->tcps = 00;
- }
- if
- (p_cp->ppm_buffer != 00)
- {
- opj_free(p_cp->ppm_buffer);
- p_cp->ppm_buffer = 00;
- }
- if
- (p_cp->comment != 00)
- {
- opj_free(p_cp->comment);
- p_cp->comment = 00;
- }
- if
- (! p_cp->m_is_decoder)
- {
- if
- (p_cp->m_specific_param.m_enc.m_matrice)
- {
- opj_free(p_cp->m_specific_param.m_enc.m_matrice);
- p_cp->m_specific_param.m_enc.m_matrice = 00;
- }
- }
-}
+ /* STATE checking */
+ /* make sure the state is at 0 */
+#ifdef TODO_MSD
+ l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
+#endif
+ l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
+
+ /* POINTER validation */
+ /* make sure a p_j2k codec is present */
+ /* make sure a procedure list is present */
+ l_is_valid &= (p_j2k->m_procedure_list != 00);
+ /* make sure a validation list is present */
+ l_is_valid &= (p_j2k->m_validation_list != 00);
+ /* PARAMETER VALIDATION */
+ return l_is_valid;
+}
-/**
- * Reads a tile header.
- * @param p_j2k the jpeg2000 codec.
- * @param p_stream the stream to write data to.
- * @param p_manager the user event manager.
- */
-opj_bool j2k_read_tile_header( opj_j2k_v2_t * p_j2k,
- OPJ_UINT32 * p_tile_index,
- OPJ_UINT32 * p_data_size,
- OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
- OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
- OPJ_UINT32 * p_nb_comps,
- opj_bool * p_go_on,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager )
+opj_bool j2k_read_header_procedure( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager)
{
- OPJ_UINT32 l_current_marker = J2K_MS_SOT;
+ OPJ_UINT32 l_current_marker;
OPJ_UINT32 l_marker_size;
const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
- opj_tcp_v2_t * l_tcp = NULL;
- OPJ_UINT32 l_nb_tiles;
/* preconditions */
assert(p_stream != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
- /* Reach the End Of Codestream ?*/
- if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC){
- l_current_marker = J2K_MS_EOC;
+ /* We enter in the main header */
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
+
+ /* Try to read the SOC marker, the codestream must begin with SOC marker */
+ if (! j2k_read_soc_v2(p_j2k,p_stream,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Expected a SOC marker \n");
+ return OPJ_FALSE;
}
- /* We need to encounter a SOT marker (a new tile-part header) */
- else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT){
+
+ /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
- /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
- while ( (!p_j2k->m_specific_param.m_decoder.m_can_decode) && (l_current_marker != J2K_MS_EOC) ) {
+ /* Read 2 bytes as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
- /* Try to read until the Start Of Data is detected */
- while (l_current_marker != J2K_MS_SOD) {
+ /* Try to read until the SOT is detected */
+ while (l_current_marker != J2K_MS_SOT) {
- /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ /* Check if the current marker ID is valid */
+ if (l_current_marker < 0xff00) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "We expected read a marker ID (0xff--) instead of %.8x\n", l_current_marker);
+ return OPJ_FALSE;
+ }
+
+ /* Get the marker handler from the marker ID */
+ l_marker_handler = j2k_get_marker_handler(l_current_marker);
+
+ /* Manage case where marker is unknown */
+ if (l_marker_handler->id == J2K_MS_UNK) {
+ if (! j2k_read_unk_v2(p_j2k, p_stream, &l_current_marker, p_manager)){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Unknow marker have been detected and generated error.\n");
return OPJ_FALSE;
}
- /* Read 2 bytes from the buffer as the marker size */
- opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
+ if (l_current_marker == J2K_MS_SOT)
+ break; /* SOT marker is detected main header is completely read */
+ else /* Get the marker handler from the marker ID */
+ l_marker_handler = j2k_get_marker_handler(l_current_marker);
+ }
- /* Why this condition? FIXME */
- if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH){
- p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
- }
- l_marker_size -= 2; /* Subtract the size of the marker ID already read */
+ /* Check if the marker is known and if it is the right place to find it */
+ if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
+ return OPJ_FALSE;
+ }
- /* Get the marker handler from the marker ID */
- l_marker_handler = j2k_get_marker_handler(l_current_marker);
+ /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
- /* Check if the marker is known and if it is the right place to find it */
- if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
- return OPJ_FALSE;
- }
-/* FIXME manage case of unknown marker as in the main header ? */
+ /* read 2 bytes as the marker size */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
+ l_marker_size -= 2; /* Subtract the size of the marker ID already read */
- /* Check if the marker size is compatible with the header data size */
- if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
- p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
+ /* Check if the marker size is compatible with the header data size */
+ if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
+ p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
- if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
- return OPJ_FALSE;
- }
- p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
- }
-
- /* Try to read the rest of the marker segment from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
return OPJ_FALSE;
}
+ p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
+ }
- /* Read the marker segment with the correct marker handler */
- if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Fail to read the current marker segment (%#x)\n", l_current_marker);
+ /* Try to read the rest of the marker segment from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read the marker segment with the correct marker handler */
+ if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Marker handler function failed to read the marker segment\n");
+ return OPJ_FALSE;
+ }
+
+ /* Add the marker to the codestream index*/
+ j2k_add_mhmarker_v2(p_j2k->cstr_index,
+ l_marker_handler->id,
+ (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
+ l_marker_size + 4 );
+
+ /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* read 2 bytes as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+
+ opj_event_msg_v2(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
+
+ /* Position of the last element if the main header */
+ p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
+
+ /* Next step: read a tile-part header */
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Excutes the given procedures on the given codec.
+ *
+ * @param p_procedure_list the list of procedures to execute
+ * @param p_j2k the jpeg2000 codec to execute the procedures on.
+ * @param p_stream the stream to execute the procedures on.
+ * @param p_manager the user manager.
+ *
+ * @return true if all the procedures were successfully executed.
+ */
+opj_bool j2k_exec ( opj_j2k_v2_t * p_j2k,
+ opj_procedure_list_t * p_procedure_list,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ opj_bool (** l_procedure) (opj_j2k_v2_t * ,opj_stream_private_t *,opj_event_mgr_t *) = 00;
+ opj_bool l_result = OPJ_TRUE;
+ OPJ_UINT32 l_nb_proc, i;
+
+ /* preconditions*/
+ assert(p_procedure_list != 00);
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+
+ l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
+ l_procedure = (opj_bool (**) (opj_j2k_v2_t * ,opj_stream_private_t *,opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
+
+ for (i=0;i<l_nb_proc;++i) {
+ l_result = l_result && ((*l_procedure) (p_j2k,p_stream,p_manager));
+ ++l_procedure;
+ }
+
+ /* and clear the procedure list at the end.*/
+ opj_procedure_list_clear(p_procedure_list);
+ return l_result;
+}
+
+/* FIXME DOC*/
+opj_bool j2k_copy_default_tcp_and_create_tcd
+ (
+ opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager
+ )
+{
+ opj_tcp_v2_t * l_tcp = 00;
+ opj_tcp_v2_t * l_default_tcp = 00;
+ OPJ_UINT32 l_nb_tiles;
+ OPJ_UINT32 i,j;
+ opj_tccp_t *l_current_tccp = 00;
+ OPJ_UINT32 l_tccp_size;
+ OPJ_UINT32 l_mct_size;
+ opj_image_t * l_image;
+ OPJ_UINT32 l_mcc_records_size,l_mct_records_size;
+ opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
+ opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
+ OPJ_UINT32 l_offset;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
+
+ l_image = p_j2k->m_private_image;
+ l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+ l_tcp = p_j2k->m_cp.tcps;
+ l_tccp_size = l_image->numcomps * sizeof(opj_tccp_t);
+ l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ l_mct_size = l_image->numcomps * l_image->numcomps * sizeof(OPJ_FLOAT32);
+
+ /* For each tile */
+ for (i=0; i<l_nb_tiles; ++i) {
+ /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
+ l_current_tccp = l_tcp->tccps;
+ /*Copy default coding parameters into the current tile coding parameters*/
+ memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_v2_t));
+ /* Initialize some values of the current tile coding parameters*/
+ l_tcp->ppt = 0;
+ l_tcp->ppt_data = 00;
+ /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
+ l_tcp->tccps = l_current_tccp;
+
+ /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
+ if (l_default_tcp->m_mct_decoding_matrix) {
+ l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
+ if (! l_tcp->m_mct_decoding_matrix ) {
return OPJ_FALSE;
}
+ memcpy(l_tcp->m_mct_decoding_matrix,l_default_tcp->m_mct_decoding_matrix,l_mct_size);
+ }
- /* Add the marker to the codestream index*/
- j2k_add_tlmarker_v2(p_j2k->m_current_tile_number,
- p_j2k->cstr_index,
- l_marker_handler->id,
- (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
- l_marker_size + 4 );
+ /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
+ l_mct_records_size = l_default_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t);
+ l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
+ if (! l_tcp->m_mct_records) {
+ return OPJ_FALSE;
+ }
+ memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records,l_mct_records_size);
- /* Keep the position of the last SOT marker read */
- if ( l_marker_handler->id == J2K_MS_SOT ) {
- OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4 ;
- if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos)
- {
- p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
+ /* Copy the mct record data from dflt_tile_cp to the current tile*/
+ l_src_mct_rec = l_default_tcp->m_mct_records;
+ l_dest_mct_rec = l_tcp->m_mct_records;
+
+ for (j=0;j<l_default_tcp->m_nb_mct_records;++j) {
+
+ if (l_src_mct_rec->m_data) {
+
+ l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
+ if(! l_dest_mct_rec->m_data) {
+ return OPJ_FALSE;
}
+ memcpy(l_dest_mct_rec->m_data,l_src_mct_rec->m_data,l_src_mct_rec->m_data_size);
}
+ ++l_src_mct_rec;
+ ++l_dest_mct_rec;
+ }
+
+ /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
+ l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t);
+ l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(l_mcc_records_size);
+ if (! l_tcp->m_mcc_records) {
+ return OPJ_FALSE;
+ }
+ memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size);
+
+ /* Copy the mcc record data from dflt_tile_cp to the current tile*/
+ l_src_mcc_rec = l_default_tcp->m_mcc_records;
+ l_dest_mcc_rec = l_tcp->m_mcc_records;
+
+ for (j=0;j<l_default_tcp->m_nb_max_mcc_records;++j) {
+
+ if (l_src_mcc_rec->m_decorrelation_array) {
+ l_offset = l_src_mcc_rec->m_decorrelation_array - l_default_tcp->m_mct_records;
+ l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
+ }
+
+ if (l_src_mcc_rec->m_offset_array) {
+ l_offset = l_src_mcc_rec->m_offset_array - l_default_tcp->m_mct_records;
+ l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
+ }
+
+ ++l_src_mcc_rec;
+ ++l_dest_mcc_rec;
+ }
+
+ /* Copy all the dflt_tile_compo_cp to the current tile cp */
+ memcpy(l_current_tccp,l_default_tcp->tccps,l_tccp_size);
+
+ /* Move to next tile cp*/
+ ++l_tcp;
+ }
+
+ /* Create the current tile decoder*/
+ p_j2k->m_tcd = (opj_tcd_v2_t*)tcd_create_v2(OPJ_TRUE); /* FIXME why a cast ? */
+ if (! p_j2k->m_tcd ) {
+ return OPJ_FALSE;
+ }
+
+ if ( !tcd_init_v2(p_j2k->m_tcd, l_image, &(p_j2k->m_cp)) ) {
+ tcd_destroy_v2(p_j2k->m_tcd);
+ p_j2k->m_tcd = 00;
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Reads the lookup table containing all the marker, status and action, and returns the handler associated
+ * with the marker value.
+ * @param p_id Marker value to look up
+ *
+ * @return the handler associated with the id.
+*/
+const opj_dec_memory_marker_handler_t * j2k_get_marker_handler (OPJ_UINT32 p_id)
+{
+ const opj_dec_memory_marker_handler_t *e;
+ for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
+ if (e->id == p_id) {
+ break; /* we find a handler corresponding to the marker ID*/
+ }
+ }
+ return e;
+}
+
+
+/**
+ * Destroys a jpeg2000 codec.
+ *
+ * @param p_j2k the jpeg20000 structure to destroy.
+ */
+void j2k_destroy (opj_j2k_v2_t *p_j2k)
+{
+ if (p_j2k == 00) {
+ return;
+ }
+
+ if (p_j2k->m_is_decoder) {
+
+ if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
+ j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
+ opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
+ p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
+ }
+
+ if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
+ opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
+ p_j2k->m_specific_param.m_decoder.m_header_data = 00;
+ p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
+ }
+ }
+ else {
+
+ if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
+ p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
+ }
+
+ if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
+ }
+
+ if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
+ }
+ }
+
+ tcd_destroy_v2(p_j2k->m_tcd);
+
+ j2k_cp_destroy(&(p_j2k->m_cp));
+ memset(&(p_j2k->m_cp),0,sizeof(opj_cp_v2_t));
+
+ opj_procedure_list_destroy(p_j2k->m_procedure_list);
+ p_j2k->m_procedure_list = 00;
+
+ opj_procedure_list_destroy(p_j2k->m_validation_list);
+ p_j2k->m_procedure_list = 00;
+
+ j2k_destroy_cstr_index(p_j2k->cstr_index);
+ p_j2k->cstr_index = NULL;
+
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+
+ opj_image_destroy(p_j2k->m_output_image);
+ p_j2k->m_output_image = NULL;
+
+ opj_free(p_j2k);
+}
+
+void j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind)
+{
+ if (p_cstr_ind) {
+
+ if (p_cstr_ind->marker) {
+ opj_free(p_cstr_ind->marker);
+ p_cstr_ind->marker = NULL;
+ }
+
+ if (p_cstr_ind->tile_index) {
+ OPJ_UINT32 it_tile = 0;
+
+ for (it_tile=0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
+
+ if(p_cstr_ind->tile_index[it_tile].packet_index) {
+ opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
+ p_cstr_ind->tile_index[it_tile].packet_index = NULL;
+ }
+
+ if(p_cstr_ind->tile_index[it_tile].tp_index){
+ opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
+ p_cstr_ind->tile_index[it_tile].tp_index = NULL;
+ }
+
+ if(p_cstr_ind->tile_index[it_tile].marker){
+ opj_free(p_cstr_ind->tile_index[it_tile].marker);
+ p_cstr_ind->tile_index[it_tile].marker = NULL;
+
+ }
+ }
+
+ opj_free( p_cstr_ind->tile_index);
+ p_cstr_ind->tile_index = NULL;
+ }
+
+ opj_free(p_cstr_ind);
+ }
+}
+
+
+
+/**
+ * Destroys a tile coding parameter structure.
+ *
+ * @param p_tcp the tile coding parameter to destroy.
+ */
+void j2k_tcp_destroy (opj_tcp_v2_t *p_tcp)
+{
+ if (p_tcp == 00) {
+ return;
+ }
+
+ if (p_tcp->ppt_buffer != 00) {
+ opj_free(p_tcp->ppt_buffer);
+ p_tcp->ppt_buffer = 00;
+ }
+
+ if (p_tcp->tccps != 00) {
+ opj_free(p_tcp->tccps);
+ p_tcp->tccps = 00;
+ }
+
+ if (p_tcp->m_mct_coding_matrix != 00) {
+ opj_free(p_tcp->m_mct_coding_matrix);
+ p_tcp->m_mct_coding_matrix = 00;
+ }
+
+ if (p_tcp->m_mct_decoding_matrix != 00) {
+ opj_free(p_tcp->m_mct_decoding_matrix);
+ p_tcp->m_mct_decoding_matrix = 00;
+ }
+
+ if (p_tcp->m_mcc_records) {
+ opj_free(p_tcp->m_mcc_records);
+ p_tcp->m_mcc_records = 00;
+ p_tcp->m_nb_max_mcc_records = 0;
+ p_tcp->m_nb_mcc_records = 0;
+ }
+
+ if (p_tcp->m_mct_records) {
+ opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
+ OPJ_UINT32 i;
+
+ for (i=0;i<p_tcp->m_nb_mct_records;++i) {
+ if (l_mct_data->m_data) {
+ opj_free(l_mct_data->m_data);
+ l_mct_data->m_data = 00;
+ }
+
+ ++l_mct_data;
+ }
+
+ opj_free(p_tcp->m_mct_records);
+ p_tcp->m_mct_records = 00;
+ }
+
+ if (p_tcp->mct_norms != 00) {
+ opj_free(p_tcp->mct_norms);
+ p_tcp->mct_norms = 00;
+ }
+
+ j2k_tcp_data_destroy(p_tcp);
+
+}
+
+/**
+ * Destroys the data inside a tile coding parameter structure.
+ *
+ * @param p_tcp the tile coding parameter which contain data to destroy.
+ */
+void j2k_tcp_data_destroy (opj_tcp_v2_t *p_tcp)
+{
+ if (p_tcp->m_data) {
+ opj_free(p_tcp->m_data);
+ p_tcp->m_data = NULL;
+ p_tcp->m_data_size = 0;
+ }
+}
+
+/**
+ * Destroys a coding parameter structure.
+ *
+ * @param p_cp the coding parameter to destroy.
+ */
+void j2k_cp_destroy (opj_cp_v2_t *p_cp)
+{
+ OPJ_UINT32 l_nb_tiles;
+ opj_tcp_v2_t * l_current_tile = 00;
+ OPJ_UINT32 i;
+
+ if
+ (p_cp == 00)
+ {
+ return;
+ }
+ if
+ (p_cp->tcps != 00)
+ {
+ l_current_tile = p_cp->tcps;
+ l_nb_tiles = p_cp->th * p_cp->tw;
+
+ for
+ (i = 0; i < l_nb_tiles; ++i)
+ {
+ j2k_tcp_destroy(l_current_tile);
+ ++l_current_tile;
+ }
+ opj_free(p_cp->tcps);
+ p_cp->tcps = 00;
+ }
+ if
+ (p_cp->ppm_buffer != 00)
+ {
+ opj_free(p_cp->ppm_buffer);
+ p_cp->ppm_buffer = 00;
+ }
+ if
+ (p_cp->comment != 00)
+ {
+ opj_free(p_cp->comment);
+ p_cp->comment = 00;
+ }
+ if
+ (! p_cp->m_is_decoder)
+ {
+ if
+ (p_cp->m_specific_param.m_enc.m_matrice)
+ {
+ opj_free(p_cp->m_specific_param.m_enc.m_matrice);
+ p_cp->m_specific_param.m_enc.m_matrice = 00;
+ }
+ }
+}
+
+
+
+/**
+ * Reads a tile header.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_stream the stream to write data to.
+ * @param p_manager the user event manager.
+ */
+opj_bool j2k_read_tile_header( opj_j2k_v2_t * p_j2k,
+ OPJ_UINT32 * p_tile_index,
+ OPJ_UINT32 * p_data_size,
+ OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
+ OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
+ OPJ_UINT32 * p_nb_comps,
+ opj_bool * p_go_on,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ OPJ_UINT32 l_current_marker = J2K_MS_SOT;
+ OPJ_UINT32 l_marker_size;
+ const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
+ opj_tcp_v2_t * l_tcp = NULL;
+ OPJ_UINT32 l_nb_tiles;
+
+ /* preconditions */
+ assert(p_stream != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ /* Reach the End Of Codestream ?*/
+ if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC){
+ l_current_marker = J2K_MS_EOC;
+ }
+ /* We need to encounter a SOT marker (a new tile-part header) */
+ else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT){
+ return OPJ_FALSE;
+ }
+
+ /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
+ while ( (!p_j2k->m_specific_param.m_decoder.m_can_decode) && (l_current_marker != J2K_MS_EOC) ) {
+
+ /* Try to read until the Start Of Data is detected */
+ while (l_current_marker != J2K_MS_SOD) {
+
+ /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes from the buffer as the marker size */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
+
+ /* Why this condition? FIXME */
+ if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH){
+ p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
+ }
+ l_marker_size -= 2; /* Subtract the size of the marker ID already read */
+
+ /* Get the marker handler from the marker ID */
+ l_marker_handler = j2k_get_marker_handler(l_current_marker);
+
+ /* Check if the marker is known and if it is the right place to find it */
+ if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
+ return OPJ_FALSE;
+ }
+/* FIXME manage case of unknown marker as in the main header ? */
+
+ /* Check if the marker size is compatible with the header data size */
+ if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
+ p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
+ opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
+ if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
+ return OPJ_FALSE;
+ }
+ p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
+ }
+
+ /* Try to read the rest of the marker segment from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read the marker segment with the correct marker handler */
+ if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Fail to read the current marker segment (%#x)\n", l_current_marker);
+ return OPJ_FALSE;
+ }
+
+ /* Add the marker to the codestream index*/
+ j2k_add_tlmarker_v2(p_j2k->m_current_tile_number,
+ p_j2k->cstr_index,
+ l_marker_handler->id,
+ (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
+ l_marker_size + 4 );
+
+ /* Keep the position of the last SOT marker read */
+ if ( l_marker_handler->id == J2K_MS_SOT ) {
+ OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4 ;
+ if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos)
+ {
+ p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
+ }
+ }
+
+
+ if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
+ /* Skip the rest of the tile part header*/
+ if (opj_stream_skip(p_stream,p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+ l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
+ }
+ else {
+ /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+ /* Read 2 bytes from the buffer as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+ }
+
+ /* If we didn't skip data before, we need to read the SOD marker*/
+ if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
+ /* Try to read the SOD marker and skip data ? FIXME */
+ if (! j2k_read_sod_v2(p_j2k, p_stream, p_manager)) {
+ return OPJ_FALSE;
+ }
+
+
+
+ if (! p_j2k->m_specific_param.m_decoder.m_can_decode){
+ /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes from buffer as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+ }
+ else {
+ /* Indicate we will try to read a new tile-part header*/
+ p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
+ p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+
+ /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
+ if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ /* Read 2 bytes from buffer as the new marker ID */
+ opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
+ }
+ }
+
+ /* Current marker is the EOC marker ?*/
+ if (l_current_marker == J2K_MS_EOC) {
+ if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC ){
+ p_j2k->m_current_tile_number = 0;
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
+ }
+ }
+
+ /* FIXME DOC ???*/
+ if ( ! p_j2k->m_specific_param.m_decoder.m_can_decode) {
+ l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
+ l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+
+ while( (p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00) ) {
+ ++p_j2k->m_current_tile_number;
+ ++l_tcp;
+ }
+
+ if (p_j2k->m_current_tile_number == l_nb_tiles) {
+ *p_go_on = OPJ_FALSE;
+ return OPJ_TRUE;
+ }
+ }
+
+ /*FIXME ???*/
+ if (! tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
+ return OPJ_FALSE;
+ }
+
+ opj_event_msg_v2(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
+ p_j2k->m_current_tile_number, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
+
+ *p_tile_index = p_j2k->m_current_tile_number;
+ *p_go_on = OPJ_TRUE;
+ *p_data_size = tcd_get_decoded_tile_size(p_j2k->m_tcd);
+ *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
+ *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
+ *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
+ *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
+ *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
+
+ p_j2k->m_specific_param.m_decoder.m_state |= 0x0080;/* FIXME J2K_DEC_STATE_DATA;*/
+
+ return OPJ_TRUE;
+}
+
+
+opj_bool j2k_decode_tile ( opj_j2k_v2_t * p_j2k,
+ OPJ_UINT32 p_tile_index,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ OPJ_UINT32 l_current_marker;
+ OPJ_BYTE l_data [2];
+ opj_tcp_v2_t * l_tcp;
+
+ /* preconditions */
+ assert(p_stream != 00);
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+
+ if ( !(p_j2k->m_specific_param.m_decoder.m_state & 0x0080/*FIXME J2K_DEC_STATE_DATA*/)
+ || (p_tile_index != p_j2k->m_current_tile_number) ) {
+ return OPJ_FALSE;
+ }
+
+ l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
+ if (! l_tcp->m_data) {
+ j2k_tcp_destroy(l_tcp);
+ return OPJ_FALSE;
+ }
+
+ if (! tcd_decode_tile_v2( p_j2k->m_tcd,
+ l_tcp->m_data,
+ l_tcp->m_data_size,
+ p_tile_index,
+ p_j2k->cstr_index) ) {
+ j2k_tcp_destroy(l_tcp);
+ p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/*FIXME J2K_DEC_STATE_ERR;*/
+ return OPJ_FALSE;
+ }
+
+ if (! tcd_update_tile_data(p_j2k->m_tcd,p_data,p_data_size)) {
+ return OPJ_FALSE;
+ }
+
+ /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
+ * we destroy just the data which will be re-read in read_tile_header*/
+ /*j2k_tcp_destroy(l_tcp);
+ p_j2k->m_tcd->tcp = 0;*/
+ j2k_tcp_data_destroy(l_tcp);
+
+ p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
+ p_j2k->m_specific_param.m_decoder.m_state &= (~ (0x0080));/* FIXME J2K_DEC_STATE_DATA);*/
+
+ if (p_j2k->m_specific_param.m_decoder.m_state != 0x0100){ /*FIXME J2K_DEC_STATE_EOC)*/
+ if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
+ return OPJ_FALSE;
+ }
+
+ opj_read_bytes(l_data,&l_current_marker,2);
+
+ if (l_current_marker == J2K_MS_EOC) {
+ p_j2k->m_current_tile_number = 0;
+ p_j2k->m_specific_param.m_decoder.m_state = 0x0100;/*FIXME J2K_DEC_STATE_EOC;*/
+ }
+ else if (l_current_marker != J2K_MS_SOT)
+ {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
+ return OPJ_FALSE;
+ }
+ }
+
+ return OPJ_TRUE;
+}
+
+
+opj_bool j2k_update_image_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image)
+{
+ OPJ_UINT32 i,j,k = 0;
+ OPJ_UINT32 l_width_src,l_height_src;
+ OPJ_UINT32 l_width_dest,l_height_dest;
+ OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
+ OPJ_INT32 l_start_offset_src, l_line_offset_src, l_end_offset_src ;
+ OPJ_UINT32 l_start_x_dest , l_start_y_dest;
+ OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
+ OPJ_INT32 l_start_offset_dest, l_line_offset_dest;
+
+ opj_image_comp_t * l_img_comp_src = 00;
+ opj_image_comp_t * l_img_comp_dest = 00;
+
+ opj_tcd_tilecomp_v2_t * l_tilec = 00;
+ opj_image_t * l_image_src = 00;
+ OPJ_UINT32 l_size_comp, l_remaining;
+ OPJ_INT32 * l_dest_ptr;
+ opj_tcd_resolution_v2_t* l_res= 00;
+
+ l_tilec = p_tcd->tcd_image->tiles->comps;
+ l_image_src = p_tcd->image;
+ l_img_comp_src = l_image_src->comps;
+
+ l_img_comp_dest = p_output_image->comps;
+
+ for (i=0; i<l_image_src->numcomps; i++) {
+
+ /* Allocate output component buffer if necessary */
+ if (!l_img_comp_dest->data) {
+
+ l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(l_img_comp_dest->w * l_img_comp_dest->h, sizeof(OPJ_INT32));
+ if (! l_img_comp_dest->data) {
+ return OPJ_FALSE;
+ }
+ }
+
+ /* Copy info from decoded comp image to output image */
+ l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
+
+ /*-----*/
+ /* Compute the precision of the output buffer */
+ l_size_comp = l_img_comp_src->prec >> 3; /*(/ 8)*/
+ l_remaining = l_img_comp_src->prec & 7; /* (%8) */
+ l_res = l_tilec->resolutions + l_img_comp_src->resno_decoded;
+
+ if (l_remaining) {
+ ++l_size_comp;
+ }
+
+ if (l_size_comp == 3) {
+ l_size_comp = 4;
+ }
+ /*-----*/
+
+ /* Current tile component size*/
+ /*if (i == 0) {
+ fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
+ l_res->x0, l_res->x1, l_res->y0, l_res->y1);
+ }*/
+
+ l_width_src = (l_res->x1 - l_res->x0);
+ l_height_src = (l_res->y1 - l_res->y0);
+
+ /* Border of the current output component*/
+ l_x0_dest = int_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
+ l_y0_dest = int_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
+ l_x1_dest = l_x0_dest + l_img_comp_dest->w;
+ l_y1_dest = l_y0_dest + l_img_comp_dest->h;
+
+ /*if (i == 0) {
+ fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
+ l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
+ }*/
+
+ /*-----*/
+ /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
+ * of the input buffer (decoded tile component) which will be move
+ * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
+ * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
+ * by this input area.
+ * */
+ assert( l_res->x0 >= 0);
+ assert( l_res->x1 >= 0);
+ if ( l_x0_dest < (OPJ_UINT32)l_res->x0 ) {
+ l_start_x_dest = l_res->x0 - l_x0_dest;
+ l_offset_x0_src = 0;
+
+ if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) {
+ l_width_dest = l_width_src;
+ l_offset_x1_src = 0;
+ }
+ else {
+ l_width_dest = l_x1_dest - l_res->x0 ;
+ l_offset_x1_src = l_width_src - l_width_dest;
+ }
+ }
+ else {
+ l_start_x_dest = 0 ;
+ l_offset_x0_src = l_x0_dest - l_res->x0;
+
+ if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) {
+ l_width_dest = l_width_src - l_offset_x0_src;
+ l_offset_x1_src = 0;
+ }
+ else {
+ l_width_dest = l_img_comp_dest->w ;
+ l_offset_x1_src = l_res->x1 - l_x1_dest;
+ }
+ }
+
+ if ( l_y0_dest < (OPJ_UINT32)l_res->y0 ) {
+ l_start_y_dest = l_res->y0 - l_y0_dest;
+ l_offset_y0_src = 0;
+
+ if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) {
+ l_height_dest = l_height_src;
+ l_offset_y1_src = 0;
+ }
+ else {
+ l_height_dest = l_y1_dest - l_res->y0 ;
+ l_offset_y1_src = l_height_src - l_height_dest;
+ }
+ }
+ else {
+ l_start_y_dest = 0 ;
+ l_offset_y0_src = l_y0_dest - l_res->y0;
+
+ if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) {
+ l_height_dest = l_height_src - l_offset_y0_src;
+ l_offset_y1_src = 0;
+ }
+ else {
+ l_height_dest = l_img_comp_dest->h ;
+ l_offset_y1_src = l_res->y1 - l_y1_dest;
+ }
+ }
+
+ if( (l_offset_x0_src < 0 ) || (l_offset_y0_src < 0 ) || (l_offset_x1_src < 0 ) || (l_offset_y1_src < 0 ) ){
+ return OPJ_FALSE;
+ }
+ /*-----*/
+
+ /* Compute the input buffer offset */
+ l_start_offset_src = l_offset_x0_src + l_offset_y0_src * l_width_src;
+ l_line_offset_src = l_offset_x1_src + l_offset_x0_src;
+ l_end_offset_src = l_offset_y1_src * l_width_src - l_offset_x0_src;
+
+ /* Compute the output buffer offset */
+ l_start_offset_dest = l_start_x_dest + l_start_y_dest * l_img_comp_dest->w;
+ l_line_offset_dest = l_img_comp_dest->w - l_width_dest;
+
+ /* Move the output buffer to the first place where we will write*/
+ l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
+
+ /*if (i == 0) {
+ fprintf(stdout, "COMPO[%d]:\n",i);
+ fprintf(stdout, "SRC: l_start_x_src=%d, l_start_y_src=%d, l_width_src=%d, l_height_src=%d\n"
+ "\t tile offset:%d, %d, %d, %d\n"
+ "\t buffer offset: %d; %d, %d\n",
+ l_res->x0, l_res->y0, l_width_src, l_height_src,
+ l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src,
+ l_start_offset_src, l_line_offset_src, l_end_offset_src);
+
+ fprintf(stdout, "DEST: l_start_x_dest=%d, l_start_y_dest=%d, l_width_dest=%d, l_height_dest=%d\n"
+ "\t start offset: %d, line offset= %d\n",
+ l_start_x_dest, l_start_y_dest, l_width_dest, l_height_dest, l_start_offset_dest, l_line_offset_dest);
+ }*/
+
+
+ switch (l_size_comp) {
+ case 1:
+ {
+ OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data;
+ l_src_ptr += l_start_offset_src; /* Move to the first place where we will read*/
+
+ if (l_img_comp_src->sgnd) {
+ for (j = 0 ; j < l_height_dest ; ++j) {
+ for ( k = 0 ; k < l_width_dest ; ++k) {
+ *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++)); /* Copy only the data needed for the output image */
+ }
+
+ l_dest_ptr+= l_line_offset_dest; /* Move to the next place where we will write */
+ l_src_ptr += l_line_offset_src ; /* Move to the next place where we will read */
+ }
+ }
+ else {
+ for ( j = 0 ; j < l_height_dest ; ++j ) {
+ for ( k = 0 ; k < l_width_dest ; ++k) {
+ *(l_dest_ptr++) = (OPJ_INT32) ((*(l_src_ptr++))&0xff);
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src;
+ }
+ }
+
+ l_src_ptr += l_end_offset_src; /* Move to the end of this component-part of the input buffer */
+ p_data = (OPJ_BYTE*) l_src_ptr; /* Keep the current position for the next component-part */
+ }
+ break;
+ case 2:
+ {
+ OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_data;
+ l_src_ptr += l_start_offset_src;
+
+ if (l_img_comp_src->sgnd) {
+ for (j=0;j<l_height_dest;++j) {
+ for (k=0;k<l_width_dest;++k) {
+ *(l_dest_ptr++) = *(l_src_ptr++);
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src ;
+ }
+ }
+ else {
+ for (j=0;j<l_height_dest;++j) {
+ for (k=0;k<l_width_dest;++k) {
+ *(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src ;
+ }
+ }
+
+ l_src_ptr += l_end_offset_src;
+ p_data = (OPJ_BYTE*) l_src_ptr;
+ }
+ break;
+ case 4:
+ {
+ OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_data;
+ l_src_ptr += l_start_offset_src;
+
+ for (j=0;j<l_height_dest;++j) {
+ for (k=0;k<l_width_dest;++k) {
+ *(l_dest_ptr++) = (*(l_src_ptr++));
+ }
+
+ l_dest_ptr+= l_line_offset_dest;
+ l_src_ptr += l_line_offset_src ;
+ }
+
+ l_src_ptr += l_end_offset_src;
+ p_data = (OPJ_BYTE*) l_src_ptr;
+ }
+ break;
+ }
+
+ ++l_img_comp_dest;
+ ++l_img_comp_src;
+ ++l_tilec;
+ }
+
+ return OPJ_TRUE;
+}
+
+/**
+ * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
+ *
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_start_x the left position of the rectangle to decode (in image coordinates).
+ * @param p_end_x the right position of the rectangle to decode (in image coordinates).
+ * @param p_start_y the up position of the rectangle to decode (in image coordinates).
+ * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
+ * @param p_manager the user event manager
+ *
+ * @return true if the area could be set.
+ */
+opj_bool j2k_set_decode_area( opj_j2k_v2_t *p_j2k,
+ opj_image_t* p_image,
+ OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
+ OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
+ struct opj_event_mgr * p_manager )
+{
+ opj_cp_v2_t * l_cp = &(p_j2k->m_cp);
+ opj_image_t * l_image = p_j2k->m_private_image;
+
+ OPJ_UINT32 it_comp;
+ OPJ_INT32 l_comp_x1, l_comp_y1;
+ opj_image_comp_t* l_img_comp = NULL;
+
+ /* Check if we are read the main header */
+ if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) { /* FIXME J2K_DEC_STATE_TPHSOT)*/
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Need to decode the main header before begin to decode the remaining codestream");
+ return OPJ_FALSE;
+ }
+
+ if ( !p_start_x && !p_start_y && !p_end_x && !p_end_y){
+ opj_event_msg_v2(p_manager, EVT_INFO, "No decoded area parameters, set the decoded area to the whole image\n");
+
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
+
+ return OPJ_TRUE;
+ }
+
+ /* ----- */
+ /* Check if the positions provided by the user are correct */
+
+ /* Left */
+ assert(p_start_x >= 0 );
+ assert(p_start_y >= 0 );
+
+ if ((OPJ_UINT32)p_start_x > l_image->x1 ) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
+ p_start_x, l_image->x1);
+ return OPJ_FALSE;
+ }
+ else if ((OPJ_UINT32)p_start_x < l_image->x0){
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
+ p_start_x, l_image->x0);
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
+ p_image->x0 = l_image->x0;
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_start_x - l_cp->tx0) / l_cp->tdx;
+ p_image->x0 = p_start_x;
+ }
+
+ /* Up */
+ if ((OPJ_UINT32)p_start_y > l_image->y1){
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
+ p_start_y, l_image->y1);
+ return OPJ_FALSE;
+ }
+ else if ((OPJ_UINT32)p_start_y < l_image->y0){
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
+ p_start_y, l_image->y0);
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
+ p_image->y0 = l_image->y0;
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_start_y - l_cp->ty0) / l_cp->tdy;
+ p_image->y0 = p_start_y;
+ }
+
+ /* Right */
+ assert((OPJ_UINT32)p_end_x > 0);
+ assert((OPJ_UINT32)p_end_y > 0);
+ if ((OPJ_UINT32)p_end_x < l_image->x0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
+ p_end_x, l_image->x0);
+ return OPJ_FALSE;
+ }
+ else if ((OPJ_UINT32)p_end_x > l_image->x1) {
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
+ p_end_x, l_image->x1);
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
+ p_image->x1 = l_image->x1;
+ }
+ else {
+ p_j2k->m_specific_param.m_decoder.m_end_tile_x = int_ceildiv((p_end_x - l_cp->tx0), l_cp->tdx);
+ p_image->x1 = p_end_x;
+ }
+
+ /* Bottom */
+ if ((OPJ_UINT32)p_end_y < l_image->y0) {
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
+ p_end_y, l_image->y0);
+ return OPJ_FALSE;
+ }
+ if ((OPJ_UINT32)p_end_y > l_image->y1){
+ opj_event_msg_v2(p_manager, EVT_WARNING,
+ "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
+ p_end_y, l_image->y1);
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
+ p_image->y1 = l_image->y1;
+ }
+ else{
+ p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_end_y - l_cp->ty0), l_cp->tdy);
+ p_image->y1 = p_end_y;
+ }
+ /* ----- */
+
+ p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
+
+ l_img_comp = p_image->comps;
+ for (it_comp=0; it_comp < p_image->numcomps; ++it_comp)
+ {
+ OPJ_INT32 l_h,l_w;
+
+ l_img_comp->x0 = int_ceildiv(p_image->x0, l_img_comp->dx);
+ l_img_comp->y0 = int_ceildiv(p_image->y0, l_img_comp->dy);
+ l_comp_x1 = int_ceildiv(p_image->x1, l_img_comp->dx);
+ l_comp_y1 = int_ceildiv(p_image->y1, l_img_comp->dy);
+
+ l_w = int_ceildivpow2(l_comp_x1, l_img_comp->factor)
+ - int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
+ if (l_w < 0){
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
+ it_comp, l_w);
+ return OPJ_FALSE;
+ }
+ l_img_comp->w = l_w;
- if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
- /* Skip the rest of the tile part header*/
- if (opj_stream_skip(p_stream,p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
- l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
- }
- else {
- /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
- /* Read 2 bytes from the buffer as the new marker ID */
- opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
- }
+ l_h = int_ceildivpow2(l_comp_y1, l_img_comp->factor)
+ - int_ceildivpow2(l_img_comp->y0, l_img_comp->factor);
+ if (l_h < 0){
+ opj_event_msg_v2(p_manager, EVT_ERROR,
+ "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
+ it_comp, l_h);
+ return OPJ_FALSE;
}
+ l_img_comp->h = l_h;
- /* If we didn't skip data before, we need to read the SOD marker*/
- if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
- /* Try to read the SOD marker and skip data ? FIXME */
- if (! j2k_read_sod_v2(p_j2k, p_stream, p_manager)) {
- return OPJ_FALSE;
- }
+ l_img_comp++;
+ }
+ opj_event_msg_v2( p_manager, EVT_INFO,"Setting decoding area to %d,%d,%d,%d\n",
+ p_image->x0, p_image->y0, p_image->x1, p_image->y1);
- if (! p_j2k->m_specific_param.m_decoder.m_can_decode){
- /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
+ return OPJ_TRUE;
+}
- /* Read 2 bytes from buffer as the new marker ID */
- opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
- }
- }
- else {
- /* Indicate we will try to read a new tile-part header*/
- p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
- p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
- p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
- /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
- if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
+/* ----------------------------------------------------------------------- */
+/* J2K / JPT decoder interface */
+/* ----------------------------------------------------------------------- */
+/**
+ * Creates a J2K decompression structure.
+ *
+ * @return a handle to a J2K decompressor if successful, NULL otherwise.
+*/
+opj_j2k_v2_t* j2k_create_decompress_v2(void)
+{
+ opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t));
+ if (!l_j2k) {
+ return 00;
+ }
+ memset(l_j2k,0,sizeof(opj_j2k_v2_t));
- /* Read 2 bytes from buffer as the new marker ID */
- opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
- }
+ l_j2k->m_is_decoder = 1;
+ l_j2k->m_cp.m_is_decoder = 1;
+
+ l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_v2_t*) opj_malloc(sizeof(opj_tcp_v2_t));
+ if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
+ j2k_destroy(l_j2k);
+ return 00;
}
+ memset(l_j2k->m_specific_param.m_decoder.m_default_tcp,0,sizeof(opj_tcp_v2_t));
- /* Current marker is the EOC marker ?*/
- if (l_current_marker == J2K_MS_EOC) {
- if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC ){
- p_j2k->m_current_tile_number = 0;
- p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
- }
+ l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_malloc(J2K_DEFAULT_HEADER_SIZE);
+ if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
+ j2k_destroy(l_j2k);
+ return 00;
}
- /* FIXME DOC ???*/
- if ( ! p_j2k->m_specific_param.m_decoder.m_can_decode) {
- l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
- l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+ l_j2k->m_specific_param.m_decoder.m_header_data_size = J2K_DEFAULT_HEADER_SIZE;
- while( (p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00) ) {
- ++p_j2k->m_current_tile_number;
- ++l_tcp;
- }
+ l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
- if (p_j2k->m_current_tile_number == l_nb_tiles) {
- *p_go_on = OPJ_FALSE;
- return OPJ_TRUE;
- }
+ l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
+
+ /* codestream index creation */
+ l_j2k->cstr_index = j2k_create_cstr_index();
+
+ /*(opj_codestream_index_t*) opj_malloc(sizeof(opj_codestream_index_t));
+ if (!l_j2k->cstr_index){
+ j2k_destroy(l_j2k);
+ return NULL;
}
- /*FIXME ???*/
- if (! tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
- return OPJ_FALSE;
+ l_j2k->cstr_index->marker = (opj_marker_info_t*) opj_malloc(100 * sizeof(opj_marker_info_t));
+*/
+
+ /* validation list creation */
+ l_j2k->m_validation_list = opj_procedure_list_create();
+ if (! l_j2k->m_validation_list) {
+ j2k_destroy(l_j2k);
+ return 00;
}
- opj_event_msg_v2(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
- p_j2k->m_current_tile_number, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
+ /* execution list creation */
+ l_j2k->m_procedure_list = opj_procedure_list_create();
+ if (! l_j2k->m_procedure_list) {
+ j2k_destroy(l_j2k);
+ return 00;
+ }
- *p_tile_index = p_j2k->m_current_tile_number;
- *p_go_on = OPJ_TRUE;
- *p_data_size = tcd_get_decoded_tile_size(p_j2k->m_tcd);
- *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
- *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
- *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
- *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
- *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
+ return l_j2k;
+}
- p_j2k->m_specific_param.m_decoder.m_state |= 0x0080;/* FIXME J2K_DEC_STATE_DATA;*/
- return OPJ_TRUE;
+opj_codestream_index_t* j2k_create_cstr_index(void)
+{
+ opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
+ opj_calloc(1,sizeof(opj_codestream_index_t));
+ if (!cstr_index)
+ return NULL;
+
+ cstr_index->maxmarknum = 100;
+ cstr_index->marknum = 0;
+ cstr_index->marker = (opj_marker_info_t*)
+ opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
+ if (!cstr_index-> marker)
+ return NULL;
+
+ cstr_index->tile_index = NULL;
+
+ return cstr_index;
}
-opj_bool j2k_decode_tile ( opj_j2k_v2_t * p_j2k,
- OPJ_UINT32 p_tile_index,
- OPJ_BYTE * p_data,
- OPJ_UINT32 p_data_size,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager )
+/**
+ * Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
+ *
+ * @param p_tile_no the tile index.
+ * @param p_comp_no the component being outputted.
+ * @param p_j2k the J2K codec.
+ *
+ * @return the number of bytes taken by the SPCod element.
+ */
+OPJ_UINT32 j2k_get_SPCod_SPCoc_size ( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no )
{
- OPJ_UINT32 l_current_marker;
- OPJ_BYTE l_data [2];
- opj_tcp_v2_t * l_tcp;
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
/* preconditions */
- assert(p_stream != 00);
assert(p_j2k != 00);
- assert(p_manager != 00);
- if ( !(p_j2k->m_specific_param.m_decoder.m_state & 0x0080/*FIXME J2K_DEC_STATE_DATA*/)
- || (p_tile_index != p_j2k->m_current_tile_number) ) {
- return OPJ_FALSE;
- }
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_tile_no];
+ l_tccp = &l_tcp->tccps[p_comp_no];
- l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
- if (! l_tcp->m_data) {
- j2k_tcp_destroy(l_tcp);
- return OPJ_FALSE;
- }
+ /* preconditions again */
+ assert(p_tile_no < (l_cp->tw * l_cp->th));
+ assert(p_comp_no < p_j2k->m_private_image->numcomps);
- if (! tcd_decode_tile_v2( p_j2k->m_tcd,
- l_tcp->m_data,
- l_tcp->m_data_size,
- p_tile_index,
- p_j2k->cstr_index) ) {
- j2k_tcp_destroy(l_tcp);
- p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/*FIXME J2K_DEC_STATE_ERR;*/
- return OPJ_FALSE;
+ if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
+ return 5 + l_tccp->numresolutions;
+ }
+ else {
+ return 5;
}
+}
- if (! tcd_update_tile_data(p_j2k->m_tcd,p_data,p_data_size)) {
+/**
+ * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
+ *
+ * @param p_comp_no the component number to output.
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+ *
+*/
+opj_bool j2k_write_SPCod_SPCoc( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_header_size,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 i;
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_header_size != 00);
+ assert(p_manager != 00);
+ assert(p_data != 00);
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_tile_no];
+ l_tccp = &l_tcp->tccps[p_comp_no];
+
+ /* preconditions again */
+ assert(p_tile_no < (l_cp->tw * l_cp->th));
+ assert(p_comp_no <(p_j2k->m_private_image->numcomps));
+
+ if (*p_header_size < 5) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
return OPJ_FALSE;
}
- /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
- * we destroy just the data which will be re-read in read_tile_header*/
- /*j2k_tcp_destroy(l_tcp);
- p_j2k->m_tcd->tcp = 0;*/
- j2k_tcp_data_destroy(l_tcp);
+ opj_write_bytes(p_data,l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
+ ++p_data;
- p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
- p_j2k->m_specific_param.m_decoder.m_state &= (~ (0x0080));/* FIXME J2K_DEC_STATE_DATA);*/
+ opj_write_bytes(p_data,l_tccp->cblkw - 2, 1); /* SPcoc (E) */
+ ++p_data;
- if (p_j2k->m_specific_param.m_decoder.m_state != 0x0100){ /*FIXME J2K_DEC_STATE_EOC)*/
- if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short\n");
- return OPJ_FALSE;
- }
+ opj_write_bytes(p_data,l_tccp->cblkh - 2, 1); /* SPcoc (F) */
+ ++p_data;
+
+ opj_write_bytes(p_data,l_tccp->cblksty, 1); /* SPcoc (G) */
+ ++p_data;
+
+ opj_write_bytes(p_data,l_tccp->qmfbid, 1); /* SPcoc (H) */
+ ++p_data;
+
+ *p_header_size = *p_header_size - 5;
- opj_read_bytes(l_data,&l_current_marker,2);
+ if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
- if (l_current_marker == J2K_MS_EOC) {
- p_j2k->m_current_tile_number = 0;
- p_j2k->m_specific_param.m_decoder.m_state = 0x0100;/*FIXME J2K_DEC_STATE_EOC;*/
- }
- else if (l_current_marker != J2K_MS_SOT)
- {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
+ if (*p_header_size < l_tccp->numresolutions) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writting SPCod SPCoc element\n");
return OPJ_FALSE;
}
+
+ for (i = 0; i < l_tccp->numresolutions; ++i) {
+ opj_write_bytes(p_data,l_tccp->prcw[i] + (l_tccp->prch[i] << 4), 1); /* SPcoc (I_i) */
+ ++p_data;
+ }
+
+ *p_header_size = *p_header_size - l_tccp->numresolutions;
}
return OPJ_TRUE;
}
-
-opj_bool j2k_update_image_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image)
+/**
+ * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
+ * @param p_header_data the data contained in the COM box.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_header_size the size of the data contained in the COM marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_SPCod_SPCoc(
+ opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 compno,
+ OPJ_BYTE * p_header_data,
+ OPJ_UINT32 * p_header_size,
+ struct opj_event_mgr * p_manager
+ )
{
- OPJ_UINT32 i,j,k = 0;
- OPJ_UINT32 l_width_src,l_height_src;
- OPJ_UINT32 l_width_dest,l_height_dest;
- OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
- OPJ_INT32 l_start_offset_src, l_line_offset_src, l_end_offset_src ;
- OPJ_UINT32 l_start_x_dest , l_start_y_dest;
- OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
- OPJ_INT32 l_start_offset_dest, l_line_offset_dest;
+ OPJ_UINT32 i, l_tmp;
+ opj_cp_v2_t *l_cp = NULL;
+ opj_tcp_v2_t *l_tcp = NULL;
+ opj_tccp_t *l_tccp = NULL;
+ OPJ_BYTE * l_current_ptr = NULL;
- opj_image_comp_t * l_img_comp_src = 00;
- opj_image_comp_t * l_img_comp_dest = 00;
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_header_data != 00);
- opj_tcd_tilecomp_v2_t * l_tilec = 00;
- opj_image_t * l_image_src = 00;
- OPJ_UINT32 l_size_comp, l_remaining;
- OPJ_INT32 * l_dest_ptr;
- opj_tcd_resolution_v2_t* l_res= 00;
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
- l_tilec = p_tcd->tcd_image->tiles->comps;
- l_image_src = p_tcd->image;
- l_img_comp_src = l_image_src->comps;
+ /* precondition again */
+ assert(compno < p_j2k->m_private_image->numcomps);
- l_img_comp_dest = p_output_image->comps;
+ l_tccp = &l_tcp->tccps[compno];
+ l_current_ptr = p_header_data;
- for (i=0; i<l_image_src->numcomps; i++) {
+ /* make sure room is sufficient */
+ if (*p_header_size < 5) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
+ return OPJ_FALSE;
+ }
- /* Allocate output component buffer if necessary */
- if (!l_img_comp_dest->data) {
+ opj_read_bytes(l_current_ptr, &l_tccp->numresolutions ,1); /* SPcox (D) */
+ ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
+ ++l_current_ptr;
- l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(l_img_comp_dest->w * l_img_comp_dest->h, sizeof(OPJ_INT32));
- if (! l_img_comp_dest->data) {
- return OPJ_FALSE;
- }
- }
+ /* If user wants to remove more resolutions than the codestream contains, return error */
+ if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
+ "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
+ p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
+ return OPJ_FALSE;
+ }
- /* Copy info from decoded comp image to output image */
- l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
+ opj_read_bytes(l_current_ptr,&l_tccp->cblkw ,1); /* SPcoc (E) */
+ ++l_current_ptr;
+ l_tccp->cblkw += 2;
- /*-----*/
- /* Compute the precision of the output buffer */
- l_size_comp = l_img_comp_src->prec >> 3; /*(/ 8)*/
- l_remaining = l_img_comp_src->prec & 7; /* (%8) */
- l_res = l_tilec->resolutions + l_img_comp_src->resno_decoded;
+ opj_read_bytes(l_current_ptr,&l_tccp->cblkh ,1); /* SPcoc (F) */
+ ++l_current_ptr;
+ l_tccp->cblkh += 2;
- if (l_remaining) {
- ++l_size_comp;
+ opj_read_bytes(l_current_ptr,&l_tccp->cblksty ,1); /* SPcoc (G) */
+ ++l_current_ptr;
+
+ opj_read_bytes(l_current_ptr,&l_tccp->qmfbid ,1); /* SPcoc (H) */
+ ++l_current_ptr;
+
+ *p_header_size = *p_header_size - 5;
+
+ /* use custom precinct size ? */
+ if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
+ if (*p_header_size < l_tccp->numresolutions) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
+ return OPJ_FALSE;
}
- if (l_size_comp == 3) {
- l_size_comp = 4;
+ for (i = 0; i < l_tccp->numresolutions; ++i) {
+ opj_read_bytes(l_current_ptr,&l_tmp ,1); /* SPcoc (I_i) */
+ ++l_current_ptr;
+ l_tccp->prcw[i] = l_tmp & 0xf;
+ l_tccp->prch[i] = l_tmp >> 4;
}
- /*-----*/
- /* Current tile component size*/
- /*if (i == 0) {
- fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
- l_res->x0, l_res->x1, l_res->y0, l_res->y1);
- }*/
+ *p_header_size = *p_header_size - l_tccp->numresolutions;
+ }
+ else {
+ /* set default size for the precinct width and height */
+ for (i = 0; i < l_tccp->numresolutions; ++i) {
+ l_tccp->prcw[i] = 15;
+ l_tccp->prch[i] = 15;
+ }
+ }
- l_width_src = (l_res->x1 - l_res->x0);
- l_height_src = (l_res->y1 - l_res->y0);
+#ifdef WIP_REMOVE_MSD
+ /* INDEX >> */
+ if (p_j2k->cstr_info && compno == 0) {
+ OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
- /* Border of the current output component*/
- l_x0_dest = int_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
- l_y0_dest = int_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
- l_x1_dest = l_x0_dest + l_img_comp_dest->w;
- l_y1_dest = l_y0_dest + l_img_comp_dest->h;
+ p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh = l_tccp->cblkh;
+ p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw = l_tccp->cblkw;
+ p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions = l_tccp->numresolutions;
+ p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty = l_tccp->cblksty;
+ p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid = l_tccp->qmfbid;
- /*if (i == 0) {
- fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
- l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
- }*/
- /*-----*/
- /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
- * of the input buffer (decoded tile component) which will be move
- * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
- * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
- * by this input area.
- * */
- if ( l_x0_dest < l_res->x0 ) {
- l_start_x_dest = l_res->x0 - l_x0_dest;
- l_offset_x0_src = 0;
+ memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx,l_tccp->prcw, l_data_size);
+ memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy,l_tccp->prch, l_data_size);
+ }
+ /* << INDEX */
+#endif
- if ( l_x1_dest >= l_res->x1 ) {
- l_width_dest = l_width_src;
- l_offset_x1_src = 0;
- }
- else {
- l_width_dest = l_x1_dest - l_res->x0 ;
- l_offset_x1_src = l_width_src - l_width_dest;
- }
- }
- else {
- l_start_x_dest = 0 ;
- l_offset_x0_src = l_x0_dest - l_res->x0;
+ return OPJ_TRUE;
+}
- if ( l_x1_dest >= l_res->x1 ) {
- l_width_dest = l_width_src - l_offset_x0_src;
- l_offset_x1_src = 0;
- }
- else {
- l_width_dest = l_img_comp_dest->w ;
- l_offset_x1_src = l_res->x1 - l_x1_dest;
- }
- }
+/**
+ * Copies the tile component parameters of all the component from the first tile component.
+ *
+ * @param p_j2k the J2k codec.
+ */
+void j2k_copy_tile_component_parameters( opj_j2k_v2_t *p_j2k )
+{
+ /* loop */
+ OPJ_UINT32 i;
+ opj_cp_v2_t *l_cp = NULL;
+ opj_tcp_v2_t *l_tcp = NULL;
+ opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
+ OPJ_UINT32 l_prc_size;
- if ( l_y0_dest < l_res->y0 ) {
- l_start_y_dest = l_res->y0 - l_y0_dest;
- l_offset_y0_src = 0;
+ /* preconditions */
+ assert(p_j2k != 00);
- if ( l_y1_dest >= l_res->y1 ) {
- l_height_dest = l_height_src;
- l_offset_y1_src = 0;
- }
- else {
- l_height_dest = l_y1_dest - l_res->y0 ;
- l_offset_y1_src = l_height_src - l_height_dest;
- }
- }
- else {
- l_start_y_dest = 0 ;
- l_offset_y0_src = l_y0_dest - l_res->y0;
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /* FIXME J2K_DEC_STATE_TPH*/
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
- if ( l_y1_dest >= l_res->y1 ) {
- l_height_dest = l_height_src - l_offset_y0_src;
- l_offset_y1_src = 0;
- }
- else {
- l_height_dest = l_img_comp_dest->h ;
- l_offset_y1_src = l_res->y1 - l_y1_dest;
- }
- }
+ l_ref_tccp = &l_tcp->tccps[0];
+ l_copied_tccp = l_ref_tccp + 1;
+ l_prc_size = l_ref_tccp->numresolutions * sizeof(OPJ_UINT32);
+
+ for (i=1; i<p_j2k->m_private_image->numcomps; ++i) {
+ l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
+ l_copied_tccp->cblkw = l_ref_tccp->cblkw;
+ l_copied_tccp->cblkh = l_ref_tccp->cblkh;
+ l_copied_tccp->cblksty = l_ref_tccp->cblksty;
+ l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
+ memcpy(l_copied_tccp->prcw,l_ref_tccp->prcw,l_prc_size);
+ memcpy(l_copied_tccp->prch,l_ref_tccp->prch,l_prc_size);
+ ++l_copied_tccp;
+ }
+}
+
+/**
+ * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
+ *
+ * @param p_tile_no the tile index.
+ * @param p_comp_no the component being outputted.
+ * @param p_j2k the J2K codec.
+ *
+ * @return the number of bytes taken by the SPCod element.
+ */
+OPJ_UINT32 j2k_get_SQcd_SQcc_size ( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no )
+{
+ OPJ_UINT32 l_num_bands;
- if( (l_offset_x0_src < 0 ) || (l_offset_y0_src < 0 ) || (l_offset_x1_src < 0 ) || (l_offset_y1_src < 0 ) ){
- return OPJ_FALSE;
- }
- /*-----*/
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
- /* Compute the input buffer offset */
- l_start_offset_src = l_offset_x0_src + l_offset_y0_src * l_width_src;
- l_line_offset_src = l_offset_x1_src + l_offset_x0_src;
- l_end_offset_src = l_offset_y1_src * l_width_src - l_offset_x0_src;
+ /* preconditions */
+ assert(p_j2k != 00);
- /* Compute the output buffer offset */
- l_start_offset_dest = l_start_x_dest + l_start_y_dest * l_img_comp_dest->w;
- l_line_offset_dest = l_img_comp_dest->w - l_width_dest;
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_tile_no];
+ l_tccp = &l_tcp->tccps[p_comp_no];
- /* Move the output buffer to the first place where we will write*/
- l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
+ /* preconditions again */
+ assert(p_tile_no < l_cp->tw * l_cp->th);
+ assert(p_comp_no < p_j2k->m_private_image->numcomps);
- /*if (i == 0) {
- fprintf(stdout, "COMPO[%d]:\n",i);
- fprintf(stdout, "SRC: l_start_x_src=%d, l_start_y_src=%d, l_width_src=%d, l_height_src=%d\n"
- "\t tile offset:%d, %d, %d, %d\n"
- "\t buffer offset: %d; %d, %d\n",
- l_res->x0, l_res->y0, l_width_src, l_height_src,
- l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src,
- l_start_offset_src, l_line_offset_src, l_end_offset_src);
+ l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2);
- fprintf(stdout, "DEST: l_start_x_dest=%d, l_start_y_dest=%d, l_width_dest=%d, l_height_dest=%d\n"
- "\t start offset: %d, line offset= %d\n",
- l_start_x_dest, l_start_y_dest, l_width_dest, l_height_dest, l_start_offset_dest, l_line_offset_dest);
- }*/
+ if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ return 1 + l_num_bands;
+ }
+ else {
+ return 1 + 2*l_num_bands;
+ }
+}
+/**
+ * Writes a SQcd or SQcc element, i.e. the quantization values of a band.
+ *
+ * @param p_tile_no the tile to output.
+ * @param p_comp_no the component number to output.
+ * @param p_data the data buffer.
+ * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+ *
+*/
+opj_bool j2k_write_SQcd_SQcc( opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_tile_no,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_header_size,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 l_header_size;
+ OPJ_UINT32 l_band_no, l_num_bands;
+ OPJ_UINT32 l_expn,l_mant;
- switch (l_size_comp) {
- case 1:
- {
- OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data;
- l_src_ptr += l_start_offset_src; /* Move to the first place where we will read*/
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
- if (l_img_comp_src->sgnd) {
- for (j = 0 ; j < l_height_dest ; ++j) {
- for ( k = 0 ; k < l_width_dest ; ++k) {
- *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++)); /* Copy only the data needed for the output image */
- }
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_header_size != 00);
+ assert(p_manager != 00);
+ assert(p_data != 00);
- l_dest_ptr+= l_line_offset_dest; /* Move to the next place where we will write */
- l_src_ptr += l_line_offset_src ; /* Move to the next place where we will read */
- }
- }
- else {
- for ( j = 0 ; j < l_height_dest ; ++j ) {
- for ( k = 0 ; k < l_width_dest ; ++k) {
- *(l_dest_ptr++) = (OPJ_INT32) ((*(l_src_ptr++))&0xff);
- }
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = &l_cp->tcps[p_tile_no];
+ l_tccp = &l_tcp->tccps[p_comp_no];
- l_dest_ptr+= l_line_offset_dest;
- l_src_ptr += l_line_offset_src;
- }
- }
+ /* preconditions again */
+ assert(p_tile_no < l_cp->tw * l_cp->th);
+ assert(p_comp_no <p_j2k->m_private_image->numcomps);
- l_src_ptr += l_end_offset_src; /* Move to the end of this component-part of the input buffer */
- p_data = (OPJ_BYTE*) l_src_ptr; /* Keep the current position for the next component-part */
- }
- break;
- case 2:
- {
- OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_data;
- l_src_ptr += l_start_offset_src;
+ l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2);
- if (l_img_comp_src->sgnd) {
- for (j=0;j<l_height_dest;++j) {
- for (k=0;k<l_width_dest;++k) {
- *(l_dest_ptr++) = *(l_src_ptr++);
- }
+ if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ l_header_size = 1 + l_num_bands;
- l_dest_ptr+= l_line_offset_dest;
- l_src_ptr += l_line_offset_src ;
- }
- }
- else {
- for (j=0;j<l_height_dest;++j) {
- for (k=0;k<l_width_dest;++k) {
- *(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
- }
+ if (*p_header_size < l_header_size) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
+ return OPJ_FALSE;
+ }
- l_dest_ptr+= l_line_offset_dest;
- l_src_ptr += l_line_offset_src ;
- }
- }
+ opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1); /* Sqcx */
+ ++p_data;
- l_src_ptr += l_end_offset_src;
- p_data = (OPJ_BYTE*) l_src_ptr;
- }
- break;
- case 4:
- {
- OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_data;
- l_src_ptr += l_start_offset_src;
+ for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
+ l_expn = l_tccp->stepsizes[l_band_no].expn;
+ opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
+ ++p_data;
+ }
+ }
+ else {
+ l_header_size = 1 + 2*l_num_bands;
- for (j=0;j<l_height_dest;++j) {
- for (k=0;k<l_width_dest;++k) {
- *(l_dest_ptr++) = (*(l_src_ptr++));
- }
+ if (*p_header_size < l_header_size) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
+ return OPJ_FALSE;
+ }
- l_dest_ptr+= l_line_offset_dest;
- l_src_ptr += l_line_offset_src ;
- }
+ opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1); /* Sqcx */
+ ++p_data;
- l_src_ptr += l_end_offset_src;
- p_data = (OPJ_BYTE*) l_src_ptr;
- }
- break;
- }
+ for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
+ l_expn = l_tccp->stepsizes[l_band_no].expn;
+ l_mant = l_tccp->stepsizes[l_band_no].mant;
- ++l_img_comp_dest;
- ++l_img_comp_src;
- ++l_tilec;
+ opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
+ p_data += 2;
+ }
}
+ *p_header_size = *p_header_size - l_header_size;
+
return OPJ_TRUE;
}
/**
- * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
+ * Reads a SQcd or SQcc element, i.e. the quantization values of a band.
*
+ * @param p_comp_no the component being targeted.
+ * @param p_header_data the data contained in the COM box.
* @param p_j2k the jpeg2000 codec.
- * @param p_start_x the left position of the rectangle to decode (in image coordinates).
- * @param p_end_x the right position of the rectangle to decode (in image coordinates).
- * @param p_start_y the up position of the rectangle to decode (in image coordinates).
- * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
- * @param p_manager the user event manager
- *
- * @return true if the area could be set.
- */
-opj_bool j2k_set_decode_area( opj_j2k_v2_t *p_j2k,
- opj_image_t* p_image,
- OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
- OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
- struct opj_event_mgr * p_manager )
+ * @param p_header_size the size of the data contained in the COM marker.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_read_SQcd_SQcc(
+ opj_j2k_v2_t *p_j2k,
+ OPJ_UINT32 p_comp_no,
+ OPJ_BYTE* p_header_data,
+ OPJ_UINT32 * p_header_size,
+ struct opj_event_mgr * p_manager
+ )
{
- opj_cp_v2_t * l_cp = &(p_j2k->m_cp);
- opj_image_t * l_image = p_j2k->m_private_image;
-
- OPJ_UINT32 it_comp;
- OPJ_INT32 l_comp_x1, l_comp_y1;
- opj_image_comp_t* l_img_comp = NULL;
-
- /* Check if we are read the main header */
- if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) { /* FIXME J2K_DEC_STATE_TPHSOT)*/
- opj_event_msg_v2(p_manager, EVT_ERROR, "Need to decode the main header before begin to decode the remaining codestream");
- return OPJ_FALSE;
- }
-
- if ( !p_start_x && !p_start_y && !p_end_x && !p_end_y){
- opj_event_msg_v2(p_manager, EVT_INFO, "No decoded area parameters, set the decoded area to the whole image\n");
-
- p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
- p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
- p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
- p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
-
- return OPJ_TRUE;
- }
+ /* loop*/
+ OPJ_UINT32 l_band_no;
+ opj_cp_v2_t *l_cp = 00;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tccp_t *l_tccp = 00;
+ OPJ_BYTE * l_current_ptr = 00;
+ OPJ_UINT32 l_tmp, l_num_band;
- /* ----- */
- /* Check if the positions provided by the user are correct */
+ /* preconditions*/
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_header_data != 00);
- /* Left */
- if (p_start_x > l_image->x1 ) {
- opj_event_msg_v2(p_manager, EVT_ERROR,
- "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
- p_start_x, l_image->x1);
- return OPJ_FALSE;
- }
- else if (p_start_x < l_image->x0){
- opj_event_msg_v2(p_manager, EVT_WARNING,
- "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
- p_start_x, l_image->x0);
- p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
- p_image->x0 = l_image->x0;
- }
- else {
- p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_start_x - l_cp->tx0) / l_cp->tdx;
- p_image->x0 = p_start_x;
- }
+ l_cp = &(p_j2k->m_cp);
+ /* come from tile part header or main header ?*/
+ l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /*FIXME J2K_DEC_STATE_TPH*/
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
- /* Up */
- if (p_start_y > l_image->y1){
- opj_event_msg_v2(p_manager, EVT_ERROR,
- "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
- p_start_y, l_image->y1);
- return OPJ_FALSE;
- }
- else if (p_start_y < l_image->y0){
- opj_event_msg_v2(p_manager, EVT_WARNING,
- "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
- p_start_y, l_image->y0);
- p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
- p_image->y0 = l_image->y0;
- }
- else {
- p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_start_y - l_cp->ty0) / l_cp->tdy;
- p_image->y0 = p_start_y;
- }
+ /* precondition again*/
+ assert(p_comp_no < p_j2k->m_private_image->numcomps);
- /* Right */
- if (p_end_x < l_image->x0) {
- opj_event_msg_v2(p_manager, EVT_ERROR,
- "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
- p_end_x, l_image->x0);
- return OPJ_FALSE;
- }
- else if (p_end_x > l_image->x1) {
- opj_event_msg_v2(p_manager, EVT_WARNING,
- "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
- p_end_x, l_image->x1);
- p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
- p_image->x1 = l_image->x1;
- }
- else {
- p_j2k->m_specific_param.m_decoder.m_end_tile_x = int_ceildiv((p_end_x - l_cp->tx0), l_cp->tdx);
- p_image->x1 = p_end_x;
- }
+ l_tccp = &l_tcp->tccps[p_comp_no];
+ l_current_ptr = p_header_data;
- /* Bottom */
- if (p_end_y < l_image->y0) {
- opj_event_msg_v2(p_manager, EVT_ERROR,
- "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
- p_end_y, l_image->y0);
+ if (*p_header_size < 1) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
return OPJ_FALSE;
}
- if (p_end_y > l_image->y1){
- opj_event_msg_v2(p_manager, EVT_WARNING,
- "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
- p_end_y, l_image->y1);
- p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
- p_image->y1 = l_image->y1;
+ *p_header_size -= 1;
+
+ opj_read_bytes(l_current_ptr, &l_tmp ,1); /* Sqcx */
+ ++l_current_ptr;
+
+ l_tccp->qntsty = l_tmp & 0x1f;
+ l_tccp->numgbits = l_tmp >> 5;
+ if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
+ l_num_band = 1;
}
- else{
- p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_end_y - l_cp->ty0), l_cp->tdy);
- p_image->y1 = p_end_y;
+ else {
+ l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
+ (*p_header_size) :
+ (*p_header_size) / 2;
+
+ if( l_num_band > J2K_MAXBANDS ) {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
+ "number of subbands (%d) is greater to J2K_MAXBANDS (%d). So we limit the number of elements stored to "
+ "J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, J2K_MAXBANDS, J2K_MAXBANDS);
+ /*return OPJ_FALSE;*/
+ }
}
- /* ----- */
- p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
+#ifdef USE_JPWL
+ if (l_cp->correct) {
- l_img_comp = p_image->comps;
- for (it_comp=0; it_comp < p_image->numcomps; ++it_comp)
- {
- OPJ_INT32 l_h,l_w;
+ /* if JPWL is on, we check whether there are too many subbands */
+ if (/*(l_num_band < 0) ||*/ (l_num_band >= J2K_MAXBANDS)) {
+ opj_event_msg_v2(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
+ "JPWL: bad number of subbands in Sqcx (%d)\n",
+ l_num_band);
+ if (!JPWL_ASSUME) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
+ return OPJ_FALSE;
+ }
+ /* we try to correct */
+ l_num_band = 1;
+ opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust them\n"
+ "- setting number of bands to %d => HYPOTHESIS!!!\n",
+ l_num_band);
+ };
- l_img_comp->x0 = int_ceildiv(p_image->x0, l_img_comp->dx);
- l_img_comp->y0 = int_ceildiv(p_image->y0, l_img_comp->dy);
- l_comp_x1 = int_ceildiv(p_image->x1, l_img_comp->dx);
- l_comp_y1 = int_ceildiv(p_image->y1, l_img_comp->dy);
+ };
+#endif /* USE_JPWL */
- l_w = int_ceildivpow2(l_comp_x1, l_img_comp->factor)
- - int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
- if (l_w < 0){
- opj_event_msg_v2(p_manager, EVT_ERROR,
- "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
- it_comp, l_w);
- return OPJ_FALSE;
+ if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
+ opj_read_bytes(l_current_ptr, &l_tmp ,1); /* SPqcx_i */
+ ++l_current_ptr;
+ if (l_band_no < J2K_MAXBANDS){
+ l_tccp->stepsizes[l_band_no].expn = l_tmp>>3;
+ l_tccp->stepsizes[l_band_no].mant = 0;
+ }
}
- l_img_comp->w = l_w;
-
- l_h = int_ceildivpow2(l_comp_y1, l_img_comp->factor)
- - int_ceildivpow2(l_img_comp->y0, l_img_comp->factor);
- if (l_h < 0){
- opj_event_msg_v2(p_manager, EVT_ERROR,
- "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
- it_comp, l_h);
- return OPJ_FALSE;
+ *p_header_size = *p_header_size - l_num_band;
+ }
+ else {
+ for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
+ opj_read_bytes(l_current_ptr, &l_tmp ,2); /* SPqcx_i */
+ l_current_ptr+=2;
+ if (l_band_no < J2K_MAXBANDS){
+ l_tccp->stepsizes[l_band_no].expn = l_tmp >> 11;
+ l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
+ }
}
- l_img_comp->h = l_h;
-
- l_img_comp++;
+ *p_header_size = *p_header_size - 2*l_num_band;
}
- opj_event_msg_v2( p_manager, EVT_INFO,"Setting decoding area to %d,%d,%d,%d\n",
- p_image->x0, p_image->y0, p_image->x1, p_image->y1);
-
+ /* Add Antonin : if scalar_derived -> compute other stepsizes */
+ if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
+ for (l_band_no = 1; l_band_no < J2K_MAXBANDS; l_band_no++) {
+ l_tccp->stepsizes[l_band_no].expn =
+ ((l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) > 0) ?
+ (l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) : 0;
+ l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
+ }
+ }
return OPJ_TRUE;
}
+/**
+ * Copies the tile component parameters of all the component from the first tile component.
+ *
+ * @param p_j2k the J2k codec.
+ */
+void j2k_copy_tile_quantization_parameters( opj_j2k_v2_t *p_j2k )
+{
+ OPJ_UINT32 i;
+ opj_cp_v2_t *l_cp = NULL;
+ opj_tcp_v2_t *l_tcp = NULL;
+ opj_tccp_t *l_ref_tccp = NULL;
+ opj_tccp_t *l_copied_tccp = NULL;
+ OPJ_UINT32 l_size;
+
+ /* preconditions */
+ assert(p_j2k != 00);
+
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
+ &l_cp->tcps[p_j2k->m_current_tile_number] :
+ p_j2k->m_specific_param.m_decoder.m_default_tcp;
+
+ l_ref_tccp = &l_tcp->tccps[0];
+ l_copied_tccp = l_ref_tccp + 1;
+ l_size = J2K_MAXBANDS * sizeof(opj_stepsize_t);
+
+ for (i=1;i<p_j2k->m_private_image->numcomps;++i) {
+ l_copied_tccp->qntsty = l_ref_tccp->qntsty;
+ l_copied_tccp->numgbits = l_ref_tccp->numgbits;
+ memcpy(l_copied_tccp->stepsizes,l_ref_tccp->stepsizes,l_size);
+ ++l_copied_tccp;
+ }
+}
-/* ----------------------------------------------------------------------- */
-/* J2K / JPT decoder interface */
-/* ----------------------------------------------------------------------- */
/**
- * Creates a J2K decompression structure.
+ * Dump some elements from the J2K decompression structure .
+ *
+ *@param p_j2k the jpeg2000 codec.
+ *@param flag flag to describe what elments are dump.
+ *@param out_stream output stream where dump the elements.
*
- * @return a handle to a J2K decompressor if successful, NULL otherwise.
*/
-opj_j2k_v2_t* j2k_create_decompress_v2()
+void j2k_dump (opj_j2k_v2_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
{
- opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t));
- if (!l_j2k) {
- return 00;
+ /* Check if the flag is compatible with j2k file*/
+ if ( (flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)){
+ fprintf(out_stream, "Wrong flag\n");
+ return;
}
- memset(l_j2k,0,sizeof(opj_j2k_v2_t));
-
- l_j2k->m_is_decoder = 1;
- l_j2k->m_cp.m_is_decoder = 1;
- l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_v2_t*) opj_malloc(sizeof(opj_tcp_v2_t));
- if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
- j2k_destroy(l_j2k);
- return 00;
+ /* Dump the image_header */
+ if (flag & OPJ_IMG_INFO){
+ if (p_j2k->m_private_image)
+ j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
}
- memset(l_j2k->m_specific_param.m_decoder.m_default_tcp,0,sizeof(opj_tcp_v2_t));
- l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_malloc(J2K_DEFAULT_HEADER_SIZE);
- if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
- j2k_destroy(l_j2k);
- return 00;
+ /* Dump the codestream info from main header */
+ if (flag & OPJ_J2K_MH_INFO){
+ j2k_dump_MH_info(p_j2k, out_stream);
}
- l_j2k->m_specific_param.m_decoder.m_header_data_size = J2K_DEFAULT_HEADER_SIZE;
- l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
+ /* Dump the codestream info of the current tile */
+ if (flag & OPJ_J2K_TH_INFO){
- l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
+ }
- /* codestream index creation */
- l_j2k->cstr_index = j2k_create_cstr_index();
+ /* Dump the codestream index from main header */
+ if (flag & OPJ_J2K_MH_IND){
+ j2k_dump_MH_index(p_j2k, out_stream);
+ }
+
+ /* Dump the codestream index of the current tile */
+ if (flag & OPJ_J2K_TH_IND){
- /*(opj_codestream_index_t*) opj_malloc(sizeof(opj_codestream_index_t));
- if (!l_j2k->cstr_index){
- j2k_destroy(l_j2k);
- return NULL;
}
- l_j2k->cstr_index->marker = (opj_marker_info_t*) opj_malloc(100 * sizeof(opj_marker_info_t));
+}
+
+/**
+ * Dump index elements of the codestream extract from the main header.
+ *
+ *@param p_j2k the jpeg2000 codec.
+ *@param out_stream output stream where dump the elements.
+ *
*/
+void j2k_dump_MH_index(opj_j2k_v2_t* p_j2k, FILE* out_stream)
+{
+ opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
+ OPJ_UINT32 it_marker, it_tile, it_tile_part;
- /* validation list creation */
- l_j2k->m_validation_list = opj_procedure_list_create();
- if (! l_j2k->m_validation_list) {
- j2k_destroy(l_j2k);
- return 00;
- }
+ fprintf(out_stream, "Codestream index from main header: {\n");
- /* execution list creation */
- l_j2k->m_procedure_list = opj_procedure_list_create();
- if (! l_j2k->m_procedure_list) {
- j2k_destroy(l_j2k);
- return 00;
+ fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
+ "\t Main header end position=%" PRIi64 "\n",
+ cstr_index->main_head_start, cstr_index->main_head_end);
+
+ fprintf(out_stream, "\t Marker list: {\n");
+
+ if (cstr_index->marker){
+ for (it_marker=0; it_marker < cstr_index->marknum ; it_marker++){
+ fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
+ cstr_index->marker[it_marker].type,
+ cstr_index->marker[it_marker].pos,
+ cstr_index->marker[it_marker].len );
+ }
}
- return l_j2k;
-}
+ fprintf(out_stream, "\t }\n");
-opj_codestream_index_t* j2k_create_cstr_index(void)
-{
- opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
- opj_calloc(1,sizeof(opj_codestream_index_t));
- if (!cstr_index)
- return NULL;
+ if (cstr_index->tile_index){
- cstr_index->maxmarknum = 100;
- cstr_index->marknum = 0;
- cstr_index->marker = (opj_marker_info_t*)
- opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
- if (!cstr_index-> marker)
- return NULL;
+ /* Simple test to avoid to write empty information*/
+ OPJ_UINT32 l_acc_nb_of_tile_part = 0;
+ for (it_tile=0; it_tile < cstr_index->nb_of_tiles ; it_tile++){
+ l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
+ }
+
+ if (l_acc_nb_of_tile_part)
+ {
+ fprintf(out_stream, "\t Tile index: {\n");
+
+ for (it_tile=0; it_tile < cstr_index->nb_of_tiles ; it_tile++){
+ OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
+
+ fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile, nb_of_tile_part);
+
+ if (cstr_index->tile_index[it_tile].tp_index){
+ for (it_tile_part =0; it_tile_part < nb_of_tile_part; it_tile_part++){
+ fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%" PRIi64 ", end_pos=%" PRIi64 ".\n",
+ it_tile_part,
+ cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
+ cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
+ cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
+ }
+ }
+
+ if (cstr_index->tile_index[it_tile].marker){
+ for (it_marker=0; it_marker < cstr_index->tile_index[it_tile].marknum ; it_marker++){
+ fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
+ cstr_index->tile_index[it_tile].marker[it_marker].type,
+ cstr_index->tile_index[it_tile].marker[it_marker].pos,
+ cstr_index->tile_index[it_tile].marker[it_marker].len );
+ }
+ }
+ }
+ fprintf(out_stream,"\t }\n");
+ }
+ }
- cstr_index->tile_index = NULL;
+ fprintf(out_stream,"}\n");
- return cstr_index;
}
/**
- * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
- * @param p_header_data the data contained in the COM box.
- * @param p_j2k the jpeg2000 codec.
- * @param p_header_size the size of the data contained in the COM marker.
- * @param p_manager the user event manager.
+ * Dump info elements of the codestream extract from the main header.
+ *
+ *@param p_j2k the jpeg2000 codec.
+ *@param out_stream output stream where dump the elements.
+ *
*/
-opj_bool j2k_read_SPCod_SPCoc(
- opj_j2k_v2_t *p_j2k,
- OPJ_UINT32 compno,
- OPJ_BYTE * p_header_data,
- OPJ_UINT32 * p_header_size,
- struct opj_event_mgr * p_manager
- )
+void j2k_dump_MH_info(opj_j2k_v2_t* p_j2k, FILE* out_stream)
{
- OPJ_UINT32 i, l_tmp;
- opj_cp_v2_t *l_cp = NULL;
- opj_tcp_v2_t *l_tcp = NULL;
- opj_tccp_t *l_tccp = NULL;
- OPJ_BYTE * l_current_ptr = NULL;
+ opj_tcp_v2_t * l_default_tile=NULL;
- /* preconditions */
- assert(p_j2k != 00);
- assert(p_manager != 00);
- assert(p_header_data != 00);
+ fprintf(out_stream, "Codestream info from main header: {\n");
- l_cp = &(p_j2k->m_cp);
- l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
- &l_cp->tcps[p_j2k->m_current_tile_number] :
- p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
+ fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
+ fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
- /* precondition again */
- assert(compno < p_j2k->m_private_image->numcomps);
+ l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ if (l_default_tile)
+ {
+ OPJ_INT32 compno;
+ OPJ_INT32 numcomps = p_j2k->m_private_image->numcomps;
- l_tccp = &l_tcp->tccps[compno];
- l_current_ptr = p_header_data;
+ fprintf(out_stream, "\t default tile {\n");
+ fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
+ fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
+ fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
+ fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
- /* make sure room is sufficient */
- if (*p_header_size < 5) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
- return OPJ_FALSE;
- }
+ for (compno = 0; compno < numcomps; compno++) {
+ opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
+ OPJ_UINT32 resno;
+ OPJ_INT32 bandno, numbands;
- opj_read_bytes(l_current_ptr, &l_tccp->numresolutions ,1); /* SPcox (D) */
- ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
- ++l_current_ptr;
+ /* coding style*/
+ fprintf(out_stream, "\t\t comp %d {\n", compno);
+ fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
+ fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
+ fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
+ fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
+ fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
+ fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
- /* If user wants to remove more resolutions than the codestream contains, return error */
- if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
- "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
- p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
- return OPJ_FALSE;
- }
+ fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
+ for (resno = 0; resno < l_tccp->numresolutions; resno++) {
+ fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
+ }
+ fprintf(out_stream, "\n");
- opj_read_bytes(l_current_ptr,&l_tccp->cblkw ,1); /* SPcoc (E) */
- ++l_current_ptr;
- l_tccp->cblkw += 2;
+ /* quantization style*/
+ fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
+ fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
+ fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
+ numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : l_tccp->numresolutions * 3 - 2;
+ for (bandno = 0; bandno < numbands; bandno++) {
+ fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
+ l_tccp->stepsizes[bandno].expn);
+ }
+ fprintf(out_stream, "\n");
- opj_read_bytes(l_current_ptr,&l_tccp->cblkh ,1); /* SPcoc (F) */
- ++l_current_ptr;
- l_tccp->cblkh += 2;
+ /* RGN value*/
+ fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
- opj_read_bytes(l_current_ptr,&l_tccp->cblksty ,1); /* SPcoc (G) */
- ++l_current_ptr;
+ fprintf(out_stream, "\t\t }\n");
+ } /*end of component of default tile*/
+ fprintf(out_stream, "\t }\n"); /*end of default tile*/
- opj_read_bytes(l_current_ptr,&l_tccp->qmfbid ,1); /* SPcoc (H) */
- ++l_current_ptr;
+ }
- *p_header_size = *p_header_size - 5;
+ fprintf(out_stream, "}\n");
- /* use custom precinct size ? */
- if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
- if (*p_header_size < l_tccp->numresolutions) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
- return OPJ_FALSE;
- }
+}
- for (i = 0; i < l_tccp->numresolutions; ++i) {
- opj_read_bytes(l_current_ptr,&l_tmp ,1); /* SPcoc (I_i) */
- ++l_current_ptr;
- l_tccp->prcw[i] = l_tmp & 0xf;
- l_tccp->prch[i] = l_tmp >> 4;
- }
+/**
+ * Dump an image header structure.
+ *
+ *@param img_header the image header to dump.
+ *@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
+ *@param out_stream output stream where dump the elements.
+ */
+void j2k_dump_image_header(opj_image_t* img_header, opj_bool dev_dump_flag, FILE* out_stream)
+{
+ char tab[2];
- *p_header_size = *p_header_size - l_tccp->numresolutions;
+ if (dev_dump_flag){
+ fprintf(stdout, "[DEV] Dump an image_header struct {\n");
+ tab[0] = '\0';
}
else {
- /* set default size for the precinct width and height */
- for (i = 0; i < l_tccp->numresolutions; ++i) {
- l_tccp->prcw[i] = 15;
- l_tccp->prch[i] = 15;
- }
+ fprintf(out_stream, "Image info {\n");
+ tab[0] = '\t';tab[1] = '\0';
}
-#ifdef WIP_REMOVE_MSD
- /* INDEX >> */
- if (p_j2k->cstr_info && compno == 0) {
- OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
-
- p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh = l_tccp->cblkh;
- p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw = l_tccp->cblkw;
- p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions = l_tccp->numresolutions;
- p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty = l_tccp->cblksty;
- p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid = l_tccp->qmfbid;
-
+ fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
+ fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1, img_header->y1);
+ fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
- memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx,l_tccp->prcw, l_data_size);
- memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy,l_tccp->prch, l_data_size);
+ if (img_header->comps){
+ OPJ_UINT32 compno;
+ for (compno = 0; compno < img_header->numcomps; compno++) {
+ fprintf(out_stream, "%s\t component %d {\n", tab, compno);
+ j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag, out_stream);
+ fprintf(out_stream,"%s}\n",tab);
+ }
}
- /* << INDEX */
-#endif
- return OPJ_TRUE;
+ fprintf(out_stream, "}\n");
}
/**
- * Copies the tile component parameters of all the component from the first tile component.
+ * Dump a component image header structure.
*
- * @param p_j2k the J2k codec.
+ *@param comp_header the component image header to dump.
+ *@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
+ *@param out_stream output stream where dump the elements.
*/
-void j2k_copy_tile_component_parameters( opj_j2k_v2_t *p_j2k )
+void j2k_dump_image_comp_header(opj_image_comp_t* comp_header, opj_bool dev_dump_flag, FILE* out_stream)
{
- /* loop */
- OPJ_UINT32 i;
- opj_cp_v2_t *l_cp = NULL;
- opj_tcp_v2_t *l_tcp = NULL;
- opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
- OPJ_UINT32 l_prc_size;
-
- /* preconditions */
- assert(p_j2k != 00);
+ char tab[3];
- l_cp = &(p_j2k->m_cp);
- l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /* FIXME J2K_DEC_STATE_TPH*/
- &l_cp->tcps[p_j2k->m_current_tile_number] :
- p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ if (dev_dump_flag){
+ fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
+ tab[0] = '\0';
+ } else {
+ tab[0] = '\t';tab[1] = '\t';tab[2] = '\0';
+ }
- l_ref_tccp = &l_tcp->tccps[0];
- l_copied_tccp = l_ref_tccp + 1;
- l_prc_size = l_ref_tccp->numresolutions * sizeof(OPJ_UINT32);
+ fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
+ fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
+ fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
- for (i=1; i<p_j2k->m_private_image->numcomps; ++i) {
- l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
- l_copied_tccp->cblkw = l_ref_tccp->cblkw;
- l_copied_tccp->cblkh = l_ref_tccp->cblkh;
- l_copied_tccp->cblksty = l_ref_tccp->cblksty;
- l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
- memcpy(l_copied_tccp->prcw,l_ref_tccp->prcw,l_prc_size);
- memcpy(l_copied_tccp->prch,l_ref_tccp->prch,l_prc_size);
- ++l_copied_tccp;
- }
+ if (dev_dump_flag)
+ fprintf(out_stream, "}\n");
}
+
/**
- * Reads a SQcd or SQcc element, i.e. the quantization values of a band.
+ * Get the codestream info from a JPEG2000 codec.
*
- * @param p_comp_no the component being targeted.
- * @param p_header_data the data contained in the COM box.
- * @param p_j2k the jpeg2000 codec.
- * @param p_header_size the size of the data contained in the COM marker.
- * @param p_manager the user event manager.
-*/
-opj_bool j2k_read_SQcd_SQcc(
- opj_j2k_v2_t *p_j2k,
- OPJ_UINT32 p_comp_no,
- OPJ_BYTE* p_header_data,
- OPJ_UINT32 * p_header_size,
- struct opj_event_mgr * p_manager
- )
+ *@param p_j2k the component image header to dump.
+ *
+ *@return the codestream information extract from the jpg2000 codec
+ */
+opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_v2_t* p_j2k)
{
- /* loop*/
- OPJ_UINT32 l_band_no;
- opj_cp_v2_t *l_cp = 00;
- opj_tcp_v2_t *l_tcp = 00;
- opj_tccp_t *l_tccp = 00;
- OPJ_BYTE * l_current_ptr = 00;
- OPJ_UINT32 l_tmp, l_num_band;
-
- /* preconditions*/
- assert(p_j2k != 00);
- assert(p_manager != 00);
- assert(p_header_data != 00);
-
- l_cp = &(p_j2k->m_cp);
- /* come from tile part header or main header ?*/
- l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /*FIXME J2K_DEC_STATE_TPH*/
- &l_cp->tcps[p_j2k->m_current_tile_number] :
- p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ OPJ_UINT16 compno;
+ OPJ_UINT16 numcomps = p_j2k->m_private_image->numcomps;
+ opj_tcp_v2_t *l_default_tile;
+ opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,sizeof(opj_codestream_info_v2_t));
- /* precondition again*/
- assert(p_comp_no < p_j2k->m_private_image->numcomps);
+ cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
- l_tccp = &l_tcp->tccps[p_comp_no];
- l_current_ptr = p_header_data;
+ cstr_info->tx0 = p_j2k->m_cp.tx0;
+ cstr_info->ty0 = p_j2k->m_cp.ty0;
+ cstr_info->tdx = p_j2k->m_cp.tdx;
+ cstr_info->tdy = p_j2k->m_cp.tdy;
+ cstr_info->tw = p_j2k->m_cp.tw;
+ cstr_info->th = p_j2k->m_cp.th;
- if (*p_header_size < 1) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
- return OPJ_FALSE;
- }
- *p_header_size -= 1;
+ cstr_info->tile_info = NULL; /* Not fill from the main header*/
- opj_read_bytes(l_current_ptr, &l_tmp ,1); /* Sqcx */
- ++l_current_ptr;
+ l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
- l_tccp->qntsty = l_tmp & 0x1f;
- l_tccp->numgbits = l_tmp >> 5;
- if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
- l_num_band = 1;
- }
- else {
- l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
- (*p_header_size) :
- (*p_header_size) / 2;
+ cstr_info->m_default_tile_info.csty = l_default_tile->csty;
+ cstr_info->m_default_tile_info.prg = l_default_tile->prg;
+ cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
+ cstr_info->m_default_tile_info.mct = l_default_tile->mct;
- if( l_num_band > J2K_MAXBANDS ) {
- opj_event_msg_v2(p_manager, EVT_WARNING, "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
- "number of subbands (%d) is greater to J2K_MAXBANDS (%d). So we limit the number of elements stored to "
- "J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, J2K_MAXBANDS, J2K_MAXBANDS);
- /*return OPJ_FALSE;*/
- }
- }
+ cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(cstr_info->nbcomps, sizeof(opj_tccp_info_t));
-#ifdef USE_JPWL
- if (l_cp->correct) {
+ for (compno = 0; compno < numcomps; compno++) {
+ opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
+ opj_tccp_info_t *l_tccp_info = &(cstr_info->m_default_tile_info.tccp_info[compno]);
+ OPJ_INT32 bandno, numbands;
- /* if JPWL is on, we check whether there are too many subbands */
- if ((l_num_band < 0) || (l_num_band >= J2K_MAXBANDS)) {
- opj_event_msg_v2(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
- "JPWL: bad number of subbands in Sqcx (%d)\n",
- l_num_band);
- if (!JPWL_ASSUME) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
- return OPJ_FALSE;
- }
- /* we try to correct */
- l_num_band = 1;
- opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust them\n"
- "- setting number of bands to %d => HYPOTHESIS!!!\n",
- l_num_band);
- };
+ /* coding style*/
+ l_tccp_info->csty = l_tccp->csty;
+ l_tccp_info->numresolutions = l_tccp->numresolutions;
+ l_tccp_info->cblkw = l_tccp->cblkw;
+ l_tccp_info->cblkh = l_tccp->cblkh;
+ l_tccp_info->cblksty = l_tccp->cblksty;
+ l_tccp_info->qmfbid = l_tccp->qmfbid;
+ if (l_tccp->numresolutions < J2K_MAXRLVLS)
+ {
+ memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
+ memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
+ }
- };
-#endif /* USE_JPWL */
+ /* quantization style*/
+ l_tccp_info->qntsty = l_tccp->qntsty;
+ l_tccp_info->numgbits = l_tccp->numgbits;
- if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
- for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
- opj_read_bytes(l_current_ptr, &l_tmp ,1); /* SPqcx_i */
- ++l_current_ptr;
- if (l_band_no < J2K_MAXBANDS){
- l_tccp->stepsizes[l_band_no].expn = l_tmp>>3;
- l_tccp->stepsizes[l_band_no].mant = 0;
- }
- }
- *p_header_size = *p_header_size - l_num_band;
- }
- else {
- for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
- opj_read_bytes(l_current_ptr, &l_tmp ,2); /* SPqcx_i */
- l_current_ptr+=2;
- if (l_band_no < J2K_MAXBANDS){
- l_tccp->stepsizes[l_band_no].expn = l_tmp >> 11;
- l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
+ numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : l_tccp->numresolutions * 3 - 2;
+ if (numbands < J2K_MAXBANDS) {
+ for (bandno = 0; bandno < numbands; bandno++) {
+ l_tccp_info->stepsizes_mant[bandno] = l_tccp->stepsizes[bandno].mant;
+ l_tccp_info->stepsizes_expn[bandno] = l_tccp->stepsizes[bandno].expn;
}
}
- *p_header_size = *p_header_size - 2*l_num_band;
- }
- /* Add Antonin : if scalar_derived -> compute other stepsizes */
- if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
- for (l_band_no = 1; l_band_no < J2K_MAXBANDS; l_band_no++) {
- l_tccp->stepsizes[l_band_no].expn =
- ((l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) > 0) ?
- (l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) : 0;
- l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
- }
+ /* RGN value*/
+ l_tccp_info->roishift = l_tccp->roishift;
}
- return OPJ_TRUE;
+
+ return cstr_info;
}
/**
- * Copies the tile component parameters of all the component from the first tile component.
+ * Get the codestream index from a JPEG2000 codec.
*
- * @param p_j2k the J2k codec.
+ *@param p_j2k the component image header to dump.
+ *
+ *@return the codestream index extract from the jpg2000 codec
*/
-void j2k_copy_tile_quantization_parameters( opj_j2k_v2_t *p_j2k )
+opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_v2_t* p_j2k)
{
- OPJ_UINT32 i;
- opj_cp_v2_t *l_cp = NULL;
- opj_tcp_v2_t *l_tcp = NULL;
- opj_tccp_t *l_ref_tccp = NULL;
- opj_tccp_t *l_copied_tccp = NULL;
- OPJ_UINT32 l_size;
-
- /* preconditions */
- assert(p_j2k != 00);
-
- l_cp = &(p_j2k->m_cp);
- l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
- &l_cp->tcps[p_j2k->m_current_tile_number] :
- p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
+ opj_calloc(1,sizeof(opj_codestream_index_t));
+ if (!l_cstr_index)
+ return NULL;
- l_ref_tccp = &l_tcp->tccps[0];
- l_copied_tccp = l_ref_tccp + 1;
- l_size = J2K_MAXBANDS * sizeof(opj_stepsize_t);
+ l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
+ l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
+ l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
- for (i=1;i<p_j2k->m_private_image->numcomps;++i) {
- l_copied_tccp->qntsty = l_ref_tccp->qntsty;
- l_copied_tccp->numgbits = l_ref_tccp->numgbits;
- memcpy(l_copied_tccp->stepsizes,l_ref_tccp->stepsizes,l_size);
- ++l_copied_tccp;
+ l_cstr_index->marknum = p_j2k->cstr_index->marknum;
+ l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum*sizeof(opj_marker_info_t));
+ if (!l_cstr_index->marker){
+ opj_free( l_cstr_index);
+ return NULL;
}
-}
-/**
- * Dump some elements from the J2K decompression structure .
- *
- *@param p_j2k the jpeg2000 codec.
- *@param flag flag to describe what elments are dump.
- *@param out_stream output stream where dump the elements.
- *
-*/
-void j2k_dump (opj_j2k_v2_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
-{
- /* Check if the flag is compatible with j2k file*/
- if ( (flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)){
- fprintf(out_stream, "Wrong flag\n");
- return;
+ if (p_j2k->cstr_index->marker)
+ memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker, l_cstr_index->marknum * sizeof(opj_marker_info_t) );
+ else{
+ opj_free(l_cstr_index->marker);
+ l_cstr_index->marker = NULL;
}
- /* Dump the image_header */
- if (flag & OPJ_IMG_INFO){
- if (p_j2k->m_private_image)
- j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
+ l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
+ l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t) );
+ if (!l_cstr_index->tile_index){
+ opj_free( l_cstr_index->marker);
+ opj_free( l_cstr_index);
+ return NULL;
}
- /* Dump the codestream info from main header */
- if (flag & OPJ_J2K_MH_INFO){
- j2k_dump_MH_info(p_j2k, out_stream);
+ if (!p_j2k->cstr_index->tile_index){
+ opj_free(l_cstr_index->tile_index);
+ l_cstr_index->tile_index = NULL;
}
+ else {
+ OPJ_UINT32 it_tile = 0;
+ for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++ ){
+
+ /* Tile Marker*/
+ l_cstr_index->tile_index[it_tile].marknum = p_j2k->cstr_index->tile_index[it_tile].marknum;
+
+ l_cstr_index->tile_index[it_tile].marker =
+ (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum*sizeof(opj_marker_info_t));
+
+ if (!l_cstr_index->tile_index[it_tile].marker) {
+ OPJ_UINT32 it_tile_free;
+
+ for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){
+ opj_free(l_cstr_index->tile_index[it_tile_free].marker);
+ }
+
+ opj_free( l_cstr_index->tile_index);
+ opj_free( l_cstr_index->marker);
+ opj_free( l_cstr_index);
+ return NULL;
+ }
+
+ if (p_j2k->cstr_index->tile_index[it_tile].marker)
+ memcpy( l_cstr_index->tile_index[it_tile].marker,
+ p_j2k->cstr_index->tile_index[it_tile].marker,
+ l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t) );
+ else{
+ opj_free(l_cstr_index->tile_index[it_tile].marker);
+ l_cstr_index->tile_index[it_tile].marker = NULL;
+ }
+
+ /* Tile part index*/
+ l_cstr_index->tile_index[it_tile].nb_tps = p_j2k->cstr_index->tile_index[it_tile].nb_tps;
+
+ l_cstr_index->tile_index[it_tile].tp_index =
+ (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps*sizeof(opj_tp_index_t));
+
+ if(!l_cstr_index->tile_index[it_tile].tp_index){
+ OPJ_UINT32 it_tile_free;
+
+ for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){
+ opj_free(l_cstr_index->tile_index[it_tile_free].marker);
+ opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
+ }
+
+ opj_free( l_cstr_index->tile_index);
+ opj_free( l_cstr_index->marker);
+ opj_free( l_cstr_index);
+ return NULL;
+ }
+ if (p_j2k->cstr_index->tile_index[it_tile].tp_index){
+ memcpy( l_cstr_index->tile_index[it_tile].tp_index,
+ p_j2k->cstr_index->tile_index[it_tile].tp_index,
+ l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t) );
+ }
+ else{
+ opj_free(l_cstr_index->tile_index[it_tile].tp_index);
+ l_cstr_index->tile_index[it_tile].tp_index = NULL;
+ }
- /* Dump the codestream info of the current tile */
- if (flag & OPJ_J2K_TH_INFO){
+ /* Packet index (NOT USED)*/
+ l_cstr_index->tile_index[it_tile].nb_packet = 0;
+ l_cstr_index->tile_index[it_tile].packet_index = NULL;
+ }
}
- /* Dump the codestream index from main header */
- if (flag & OPJ_J2K_MH_IND){
- j2k_dump_MH_index(p_j2k, out_stream);
- }
+ return l_cstr_index;
+}
- /* Dump the codestream index of the current tile */
- if (flag & OPJ_J2K_TH_IND){
+static opj_bool j2k_allocate_tile_element_cstr_index(opj_j2k_v2_t *p_j2k)
+{
+ OPJ_UINT32 it_tile=0;
+
+ p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
+ p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
+ if (!p_j2k->cstr_index->tile_index)
+ return OPJ_FALSE;
+ for (it_tile=0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++){
+ p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
+ p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
+ p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
+ opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum, sizeof(opj_marker_info_t));
+ if (!p_j2k->cstr_index->tile_index[it_tile].marker)
+ return OPJ_FALSE;
}
+ return OPJ_TRUE;
}
/**
- * Dump index elements of the codestream extract from the main header.
- *
- *@param p_j2k the jpeg2000 codec.
- *@param out_stream output stream where dump the elements.
- *
-*/
-void j2k_dump_MH_index(opj_j2k_v2_t* p_j2k, FILE* out_stream)
+ * Reads the tiles.
+ */
+opj_bool j2k_decode_tiles ( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager)
{
- opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
- OPJ_UINT32 it_marker, it_tile, it_tile_part;
+ opj_bool l_go_on = OPJ_TRUE;
+ OPJ_UINT32 l_current_tile_no;
+ OPJ_UINT32 l_data_size,l_max_data_size;
+ OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1;
+ OPJ_UINT32 l_nb_comps;
+ OPJ_BYTE * l_current_data;
- fprintf(out_stream, "Codestream index from main header: {\n");
+ l_current_data = (OPJ_BYTE*)opj_malloc(1000);
+ if (! l_current_data) {
+ return OPJ_FALSE;
+ }
+ l_max_data_size = 1000;
- fprintf(out_stream, "\t Main header start position=%" OPJ_OFF_F "d\n"
- "\t Main header end position=%" OPJ_OFF_F "d\n",
- cstr_index->main_head_start, cstr_index->main_head_end);
- fprintf(out_stream, "\t Marker list: {\n");
- if (cstr_index->marker){
- for (it_marker=0; it_marker < cstr_index->marknum ; it_marker++){
- fprintf(out_stream, "\t\t type=%#x, pos=%" OPJ_OFF_F "d, len=%d\n",
- cstr_index->marker[it_marker].type,
- cstr_index->marker[it_marker].pos,
- cstr_index->marker[it_marker].len );
+ while (OPJ_TRUE) {
+ if (! j2k_read_tile_header( p_j2k,
+ &l_current_tile_no,
+ &l_data_size,
+ &l_tile_x0, &l_tile_y0,
+ &l_tile_x1, &l_tile_y1,
+ &l_nb_comps,
+ &l_go_on,
+ p_stream,
+ p_manager)) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
}
- }
- fprintf(out_stream, "\t }\n");
-
-
- if (cstr_index->tile_index){
- fprintf(out_stream, "\t Tile index: {\n");
+ if (! l_go_on) {
+ break;
+ }
- for (it_tile=0; it_tile < cstr_index->nb_of_tiles ; it_tile++){
- OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
+ if (l_data_size > l_max_data_size) {
+ l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_data_size);
+ if (! l_current_data) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
+ }
- fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile, nb_of_tile_part);
+ l_max_data_size = l_data_size;
+ }
- if (cstr_index->tile_index[it_tile].tp_index){
- for (it_tile_part =0; it_tile_part < nb_of_tile_part; it_tile_part++){
- fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" OPJ_OFF_F "d, end_header=%" OPJ_OFF_F "d, end_pos=%" OPJ_OFF_F "d.\n",
- it_tile_part,
- cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
- cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
- cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
- }
- }
+ if (! j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
+ }
+ opj_event_msg_v2(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
- if (cstr_index->tile_index[it_tile].marker){
- for (it_marker=0; it_marker < cstr_index->tile_index[it_tile].marknum ; it_marker++){
- fprintf(out_stream, "\t\t type=%#x, pos=%" OPJ_OFF_F "d, len=%d\n",
- cstr_index->tile_index[it_tile].marker[it_marker].type,
- cstr_index->tile_index[it_tile].marker[it_marker].pos,
- cstr_index->tile_index[it_tile].marker[it_marker].len );
- }
- }
+ if (! j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
}
- fprintf(out_stream,"\t }\n");
+ opj_event_msg_v2(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
+
}
- fprintf(out_stream,"}\n");
+ opj_free(l_current_data);
+ return OPJ_TRUE;
}
/**
- * Dump info elements of the codestream extract from the main header.
- *
- *@param p_j2k the jpeg2000 codec.
- *@param out_stream output stream where dump the elements.
- *
-*/
-void j2k_dump_MH_info(opj_j2k_v2_t* p_j2k, FILE* out_stream)
+ * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
+ */
+static void j2k_setup_decoding (opj_j2k_v2_t *p_j2k)
{
- opj_tcp_v2_t * l_default_tile=NULL;
+ /* preconditions*/
+ assert(p_j2k != 00);
- fprintf(out_stream, "Codestream info from main header: {\n");
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_decode_tiles);
+ /* DEVELOPER CORNER, add your custom procedures */
- fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
- fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
- fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
+}
- l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
- if (l_default_tile)
+/*
+ * Read and decode one tile.
+ */
+static opj_bool j2k_decode_one_tile ( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager)
+{
+ opj_bool l_go_on = OPJ_TRUE;
+ OPJ_UINT32 l_current_tile_no;
+ OPJ_UINT32 l_tile_no_to_dec;
+ OPJ_UINT32 l_data_size,l_max_data_size;
+ OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1;
+ OPJ_UINT32 l_nb_comps;
+ OPJ_BYTE * l_current_data;
+
+ l_current_data = (OPJ_BYTE*)opj_malloc(1000);
+ if (! l_current_data) {
+ return OPJ_FALSE;
+ }
+ l_max_data_size = 1000;
+
+ /*Allocate and initialize some elements of codestrem index if not already done*/
+ if( !p_j2k->cstr_index->tile_index)
{
- OPJ_INT32 compno;
- OPJ_INT32 numcomps = p_j2k->m_private_image->numcomps;
+ if (!j2k_allocate_tile_element_cstr_index(p_j2k)){
+ opj_free(l_current_data);
+ return OPJ_FALSE;
+ }
+ }
+ /* Move into the codestream to the first SOT used to decode the desired tile */
+ l_tile_no_to_dec = p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
+ if (p_j2k->cstr_index->tile_index)
+ if(p_j2k->cstr_index->tile_index->tp_index)
+ {
+ if ( ! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
+ /* the index for this tile has not been built,
+ * so move to the last SOT read */
+ if ( opj_stream_read_seek(p_stream, p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos+2, p_manager) ){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
+ return OPJ_FALSE;
+ }
+ }
+ else{
+ if (opj_stream_read_seek(p_stream, p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos+2, p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
+ return OPJ_FALSE;
+ }
+ }
+ /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
+ if(p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC)
+ p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
+ }
- fprintf(out_stream, "\t default tile {\n");
- fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
- fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
- fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
- fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
+ while (OPJ_TRUE) {
+ if (! j2k_read_tile_header( p_j2k,
+ &l_current_tile_no,
+ &l_data_size,
+ &l_tile_x0, &l_tile_y0,
+ &l_tile_x1, &l_tile_y1,
+ &l_nb_comps,
+ &l_go_on,
+ p_stream,
+ p_manager)) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
+ }
- for (compno = 0; compno < numcomps; compno++) {
- opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
- OPJ_INT32 resno, bandno, numbands;
- /* coding style*/
- fprintf(out_stream, "\t\t comp %d {\n", compno);
- fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
- fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
- fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
- fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
- fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
- fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
+ if (! l_go_on) {
+ break;
+ }
- fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
- for (resno = 0; resno < l_tccp->numresolutions; resno++) {
- fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
+ if (l_data_size > l_max_data_size) {
+ l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_data_size);
+ if (! l_current_data) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
}
- fprintf(out_stream, "\n");
- /* quantization style*/
- fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
- fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
- fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
- numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : l_tccp->numresolutions * 3 - 2;
- for (bandno = 0; bandno < numbands; bandno++) {
- fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
- l_tccp->stepsizes[bandno].expn);
- }
- fprintf(out_stream, "\n");
+ l_max_data_size = l_data_size;
+ }
- /* RGN value*/
- fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
- fprintf(out_stream, "\t\t }\n");
- } /*end of component of default tile*/
- fprintf(out_stream, "\t }\n"); /*end of default tile*/
+
+ if (! j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
+ }
+ opj_event_msg_v2(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
+
+ if (! j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
+ }
+ opj_event_msg_v2(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no);
+
+ if(l_current_tile_no == l_tile_no_to_dec)
+ {
+ /* move into the codestream to the the first SOT (FIXME or not move?)*/
+ if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2, p_manager) ) ) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
+ return OPJ_FALSE;
+ }
+ break;
+ }
+ else {
+ opj_event_msg_v2(p_manager, EVT_WARNING, "Tile read, decode and updated is not the desired (%d vs %d).\n", l_current_tile_no, l_tile_no_to_dec);
+ }
}
- fprintf(out_stream, "}\n");
+ opj_free(l_current_data);
+ return OPJ_TRUE;
}
+
/**
- * Dump an image header structure.
- *
- *@param img_header the image header to dump.
- *@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
- *@param out_stream output stream where dump the elements.
+ * Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures.
*/
-void j2k_dump_image_header(opj_image_t* img_header, opj_bool dev_dump_flag, FILE* out_stream)
+static void j2k_setup_decoding_tile (opj_j2k_v2_t *p_j2k)
{
- char tab[2];
-
- if (dev_dump_flag){
- fprintf(stdout, "[DEV] Dump an image_header struct {\n");
- tab[0] = '\0';
- }
- else {
- fprintf(out_stream, "Image info {\n");
- tab[0] = '\t';tab[1] = '\0';
- }
-
- fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
- fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1, img_header->y1);
- fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
+ /* preconditions*/
+ assert(p_j2k != 00);
- if (img_header->comps){
- int compno;
- for (compno = 0; compno < img_header->numcomps; compno++) {
- fprintf(out_stream, "%s\t component %d {\n", tab, compno);
- j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag, out_stream);
- fprintf(out_stream,"%s}\n",tab);
- }
- }
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_decode_one_tile);
+ /* DEVELOPER CORNER, add your custom procedures */
- fprintf(out_stream, "}\n");
}
+
/**
- * Dump a component image header structure.
- *
- *@param comp_header the component image header to dump.
- *@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
- *@param out_stream output stream where dump the elements.
+ * Decodes the tiles of the stream.
*/
-void j2k_dump_image_comp_header(opj_image_comp_t* comp_header, opj_bool dev_dump_flag, FILE* out_stream)
+opj_bool j2k_decode_v2( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t * p_stream,
+ opj_image_t * p_image,
+ opj_event_mgr_t * p_manager)
{
- char tab[3];
+ OPJ_UINT32 compno;
- if (dev_dump_flag){
- fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
- tab[0] = '\0';
- } else {
- tab[0] = '\t';tab[1] = '\t';tab[2] = '\0';
+ if (!p_image)
+ return OPJ_FALSE;
+
+ p_j2k->m_output_image = opj_image_create0();
+ if (! (p_j2k->m_output_image)) {
+ return OPJ_FALSE;
}
+ opj_copy_image_header(p_image, p_j2k->m_output_image);
- fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
- fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
- fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
+ /* customization of the decoding */
+ j2k_setup_decoding(p_j2k);
- if (dev_dump_flag)
- fprintf(out_stream, "}\n");
+ /* Decode the codestream */
+ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+ return OPJ_FALSE;
+ }
+
+ /* Move data and copy one information from codec to output image*/
+ for (compno = 0; compno < p_image->numcomps; compno++) {
+ p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded;
+ p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
+ p_j2k->m_output_image->comps[compno].data = NULL;
+ }
+
+ return OPJ_TRUE;
}
/**
- * Get the codestream info from a JPEG2000 codec.
+ * Get the decoded tile.
*
- *@param p_j2k the component image header to dump.
+ * @param p_j2k the jpeg2000 codestream codec.
+ * @param p_stream input_stream
+ * @param p_image output image. .
+ * @param p_manager the user event manager
+ * @param tile_index index of the tile we want decode
*
- *@return the codestream information extract from the jpg2000 codec
+ * @return true if succeed.
*/
-opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_v2_t* p_j2k)
+opj_bool j2k_get_tile( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_image_t* p_image,
+ struct opj_event_mgr * p_manager,
+ OPJ_UINT32 tile_index )
{
- OPJ_UINT16 compno;
- OPJ_UINT16 numcomps = p_j2k->m_private_image->numcomps;
- opj_tcp_v2_t *l_default_tile;
- opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,sizeof(opj_codestream_info_v2_t));
-
- cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
+ OPJ_UINT32 compno;
+ OPJ_UINT32 l_tile_x, l_tile_y;
+ opj_image_comp_t* l_img_comp;
- cstr_info->tx0 = p_j2k->m_cp.tx0;
- cstr_info->ty0 = p_j2k->m_cp.ty0;
- cstr_info->tdx = p_j2k->m_cp.tdx;
- cstr_info->tdy = p_j2k->m_cp.tdy;
- cstr_info->tw = p_j2k->m_cp.tw;
- cstr_info->th = p_j2k->m_cp.th;
+ if (!p_image) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "We need an image previously created.\n");
+ return OPJ_FALSE;
+ }
- cstr_info->tile_info = NULL; /* Not fill from the main header*/
+ if ( /*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th) ){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index, (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
+ return OPJ_FALSE;
+ }
- l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ /* Compute the dimension of the desired tile*/
+ l_tile_x = tile_index % p_j2k->m_cp.tw;
+ l_tile_y = tile_index / p_j2k->m_cp.tw;
- cstr_info->m_default_tile_info.csty = l_default_tile->csty;
- cstr_info->m_default_tile_info.prg = l_default_tile->prg;
- cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
- cstr_info->m_default_tile_info.mct = l_default_tile->mct;
+ p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
+ if (p_image->x0 < p_j2k->m_private_image->x0)
+ p_image->x0 = p_j2k->m_private_image->x0;
+ p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
+ if (p_image->x1 > p_j2k->m_private_image->x1)
+ p_image->x1 = p_j2k->m_private_image->x1;
- cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(cstr_info->nbcomps, sizeof(opj_tccp_info_t));
+ p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
+ if (p_image->y0 < p_j2k->m_private_image->y0)
+ p_image->y0 = p_j2k->m_private_image->y0;
+ p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
+ if (p_image->y1 > p_j2k->m_private_image->y1)
+ p_image->y1 = p_j2k->m_private_image->y1;
- for (compno = 0; compno < numcomps; compno++) {
- opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
- opj_tccp_info_t *l_tccp_info = &(cstr_info->m_default_tile_info.tccp_info[compno]);
- OPJ_INT32 bandno, numbands;
+ l_img_comp = p_image->comps;
+ for (compno=0; compno < p_image->numcomps; ++compno)
+ {
+ OPJ_INT32 l_comp_x1, l_comp_y1;
- /* coding style*/
- l_tccp_info->csty = l_tccp->csty;
- l_tccp_info->numresolutions = l_tccp->numresolutions;
- l_tccp_info->cblkw = l_tccp->cblkw;
- l_tccp_info->cblkh = l_tccp->cblkh;
- l_tccp_info->cblksty = l_tccp->cblksty;
- l_tccp_info->qmfbid = l_tccp->qmfbid;
- if (l_tccp->numresolutions < J2K_MAXRLVLS)
- {
- memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
- memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
- }
+ l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
- /* quantization style*/
- l_tccp_info->qntsty = l_tccp->qntsty;
- l_tccp_info->numgbits = l_tccp->numgbits;
+ l_img_comp->x0 = int_ceildiv(p_image->x0, l_img_comp->dx);
+ l_img_comp->y0 = int_ceildiv(p_image->y0, l_img_comp->dy);
+ l_comp_x1 = int_ceildiv(p_image->x1, l_img_comp->dx);
+ l_comp_y1 = int_ceildiv(p_image->y1, l_img_comp->dy);
- numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : l_tccp->numresolutions * 3 - 2;
- if (numbands < J2K_MAXBANDS) {
- for (bandno = 0; bandno < numbands; bandno++) {
- l_tccp_info->stepsizes_mant[bandno] = l_tccp->stepsizes[bandno].mant;
- l_tccp_info->stepsizes_expn[bandno] = l_tccp->stepsizes[bandno].expn;
- }
- }
+ l_img_comp->w = int_ceildivpow2(l_comp_x1, l_img_comp->factor) - int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
+ l_img_comp->h = int_ceildivpow2(l_comp_y1, l_img_comp->factor) - int_ceildivpow2(l_img_comp->y0, l_img_comp->factor);
- /* RGN value*/
- l_tccp_info->roishift = l_tccp->roishift;
+ l_img_comp++;
}
+ /* Destroy the previous output image*/
+ if (p_j2k->m_output_image)
+ opj_image_destroy(p_j2k->m_output_image);
- return cstr_info;
-}
+ /* Create the ouput image from the information previously computed*/
+ p_j2k->m_output_image = opj_image_create0();
+ if (! (p_j2k->m_output_image)) {
+ return OPJ_FALSE;
+ }
+ opj_copy_image_header(p_image, p_j2k->m_output_image);
-/**
- * Get the codestream index from a JPEG2000 codec.
- *
- *@param p_j2k the component image header to dump.
- *
- *@return the codestream index extract from the jpg2000 codec
- */
-opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_v2_t* p_j2k)
-{
- opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
- opj_calloc(1,sizeof(opj_codestream_index_t));
- if (!l_cstr_index)
- return NULL;
+ p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = tile_index;
- l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
- l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
- l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
+ /* customization of the decoding */
+ j2k_setup_decoding_tile(p_j2k);
- l_cstr_index->marknum = p_j2k->cstr_index->marknum;
- l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum*sizeof(opj_marker_info_t));
- if (!l_cstr_index->marker){
- opj_free( l_cstr_index);
- return NULL;
+ /* Decode the codestream */
+ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+ return OPJ_FALSE;
}
- if (p_j2k->cstr_index->marker)
- memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker, l_cstr_index->marknum * sizeof(opj_marker_info_t) );
- else{
- opj_free(l_cstr_index->marker);
- l_cstr_index->marker = NULL;
- }
+ /* Move data and copy one information from codec to output image*/
+ for (compno = 0; compno < p_image->numcomps; compno++) {
+ p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded;
- l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
- l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t) );
- if (!l_cstr_index->tile_index){
- opj_free( l_cstr_index->marker);
- opj_free( l_cstr_index);
- return NULL;
- }
+ if (p_image->comps[compno].data)
+ opj_free(p_image->comps[compno].data);
- if (!p_j2k->cstr_index->tile_index){
- opj_free(l_cstr_index->tile_index);
- l_cstr_index->tile_index = NULL;
- }
- else {
- OPJ_UINT32 it_tile = 0;
- for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++ ){
+ p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
+
+ p_j2k->m_output_image->comps[compno].data = NULL;
+ }
- /* Tile Marker*/
- l_cstr_index->tile_index[it_tile].marknum = p_j2k->cstr_index->tile_index[it_tile].marknum;
+ return OPJ_TRUE;
+}
- l_cstr_index->tile_index[it_tile].marker =
- (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum*sizeof(opj_marker_info_t));
+opj_bool j2k_set_decoded_resolution_factor(opj_j2k_v2_t *p_j2k, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager)
+{
+ OPJ_UINT32 it_comp;
- if (!l_cstr_index->tile_index[it_tile].marker) {
- OPJ_UINT32 it_tile_free;
+ p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
- for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){
- opj_free(l_cstr_index->tile_index[it_tile_free].marker);
+ if (p_j2k->m_private_image) {
+ if (p_j2k->m_private_image->comps) {
+ if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
+ if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
+ for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
+ OPJ_UINT32 max_res = p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
+ if ( res_factor >= max_res){
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Resolution factor is greater than the maximum resolution in the component.\n");
+ return OPJ_FALSE;
+ }
+ p_j2k->m_private_image->comps[it_comp].factor = res_factor;
+ }
+ return OPJ_TRUE;
}
-
- opj_free( l_cstr_index->tile_index);
- opj_free( l_cstr_index->marker);
- opj_free( l_cstr_index);
- return NULL;
}
+ }
+ }
- if (p_j2k->cstr_index->tile_index[it_tile].marker)
- memcpy( l_cstr_index->tile_index[it_tile].marker,
- p_j2k->cstr_index->tile_index[it_tile].marker,
- l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t) );
- else{
- opj_free(l_cstr_index->tile_index[it_tile].marker);
- l_cstr_index->tile_index[it_tile].marker = NULL;
- }
+ return OPJ_FALSE;
+}
- /* Tile part index*/
- l_cstr_index->tile_index[it_tile].nb_tps = p_j2k->cstr_index->tile_index[it_tile].nb_tps;
- l_cstr_index->tile_index[it_tile].tp_index =
- (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps*sizeof(opj_tp_index_t));
+/**
+ * Encodes all the tiles in a row.
+ */
+opj_bool j2k_encode_v2( opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ OPJ_UINT32 i;
+ OPJ_UINT32 l_nb_tiles;
+ OPJ_UINT32 l_max_tile_size, l_current_tile_size;
+ OPJ_BYTE * l_current_data;
- if(!l_cstr_index->tile_index[it_tile].tp_index){
- OPJ_UINT32 it_tile_free;
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
- for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){
- opj_free(l_cstr_index->tile_index[it_tile_free].marker);
- opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
- }
+ l_current_data = (OPJ_BYTE*)opj_malloc(1000);
+ if (! l_current_data) {
+ return OPJ_FALSE;
+ }
+ l_max_tile_size = 1000;
- opj_free( l_cstr_index->tile_index);
- opj_free( l_cstr_index->marker);
- opj_free( l_cstr_index);
- return NULL;
- }
+ l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
+ for (i=0;i<l_nb_tiles;++i) {
+ if (! j2k_pre_write_tile(p_j2k,i,p_stream,p_manager)) {
+ opj_free(l_current_data);
+ return OPJ_FALSE;
+ }
- if (p_j2k->cstr_index->tile_index[it_tile].tp_index){
- memcpy( l_cstr_index->tile_index[it_tile].tp_index,
- p_j2k->cstr_index->tile_index[it_tile].tp_index,
- l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t) );
- }
- else{
- opj_free(l_cstr_index->tile_index[it_tile].tp_index);
- l_cstr_index->tile_index[it_tile].tp_index = NULL;
+ l_current_tile_size = tcd_get_encoded_tile_size(p_j2k->m_tcd);
+ if (l_current_tile_size > l_max_tile_size) {
+ l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_tile_size);
+ if (! l_current_data) {
+ return OPJ_FALSE;
}
+ l_max_tile_size = l_current_tile_size;
+ }
- /* Packet index (NOT USED)*/
- l_cstr_index->tile_index[it_tile].nb_packet = 0;
- l_cstr_index->tile_index[it_tile].packet_index = NULL;
+ j2k_get_tile_data(p_j2k->m_tcd,l_current_data);
+ if (! j2k_post_write_tile (p_j2k,l_current_data,l_current_tile_size,p_stream,p_manager)) {
+ return OPJ_FALSE;
}
}
- return l_cstr_index;
+ opj_free(l_current_data);
+ return OPJ_TRUE;
}
-opj_bool j2k_allocate_tile_element_cstr_index(opj_j2k_v2_t *p_j2k)
+/**
+ * Ends the compression procedures and possibility add data to be read after the
+ * codestream.
+ */
+opj_bool j2k_end_compress( opj_j2k_v2_t *p_j2k,
+ opj_stream_private_t *p_stream,
+ struct opj_event_mgr * p_manager)
{
- OPJ_UINT32 it_tile=0;
+ /* customization of the encoding */
+ j2k_setup_end_compress(p_j2k);
- p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
- p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
- if (!p_j2k->cstr_index->tile_index)
+ if (! j2k_exec (p_j2k, p_j2k->m_procedure_list, p_stream, p_manager))
+ {
return OPJ_FALSE;
-
- for (it_tile=0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++){
- p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
- p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
- p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
- opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum, sizeof(opj_marker_info_t));
- if (!p_j2k->cstr_index->tile_index[it_tile].marker)
- return OPJ_FALSE;
}
return OPJ_TRUE;
}
+
/**
- * Reads the tiles.
+ * Starts a compression scheme, i.e. validates the codec parameters, writes the header.
+ *
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_stream the stream object.
+ * @param p_manager the user event manager.
+ *
+ * @return true if the codec is valid.
*/
-opj_bool j2k_decode_tiles ( opj_j2k_v2_t *p_j2k,
+opj_bool j2k_start_compress(opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
+ opj_image_t * p_image,
opj_event_mgr_t * p_manager)
{
- opj_bool l_go_on = OPJ_TRUE;
- OPJ_UINT32 l_current_tile_no;
- OPJ_UINT32 l_data_size,l_max_data_size;
- OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1;
- OPJ_UINT32 l_nb_comps;
- OPJ_BYTE * l_current_data;
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
- l_current_data = (OPJ_BYTE*)opj_malloc(1000);
- if (! l_current_data) {
+ p_j2k->m_private_image = opj_image_create0();
+ opj_copy_image_header(p_image, p_j2k->m_private_image);
+
+ // TODO_MSD: Find a better way
+ if (p_image->comps) {
+ OPJ_UINT32 it_comp;
+ for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
+ if (p_image->comps[it_comp].data) {
+ p_j2k->m_private_image->comps[it_comp].data =p_image->comps[it_comp].data;
+ p_image->comps[it_comp].data = NULL;
+
+ }
+ }
+ }
+
+ /* customization of the validation */
+ j2k_setup_encoding_validation (p_j2k);
+
+ /* validation of the parameters codec */
+ if (! j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager)) {
return OPJ_FALSE;
}
- l_max_data_size = 1000;
- /*Allocate and initialize some elements of codestrem index*/
- if (!j2k_allocate_tile_element_cstr_index(p_j2k)){
- opj_free(l_current_data);
+ /* customization of the encoding */
+ j2k_setup_header_writting(p_j2k);
+
+ /* write header */
+ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
return OPJ_FALSE;
}
- while (OPJ_TRUE) {
- if (! j2k_read_tile_header( p_j2k,
- &l_current_tile_no,
- &l_data_size,
- &l_tile_x0, &l_tile_y0,
- &l_tile_x1, &l_tile_y1,
- &l_nb_comps,
- &l_go_on,
- p_stream,
- p_manager)) {
- opj_free(l_current_data);
- return OPJ_FALSE;
+ return OPJ_TRUE;
+}
+
+/*
+ *
+ */
+opj_bool j2k_pre_write_tile ( opj_j2k_v2_t * p_j2k,
+ OPJ_UINT32 p_tile_index,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ (void)p_stream;
+ if (p_tile_index != p_j2k->m_current_tile_number) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "The given tile index does not match." );
+ return OPJ_FALSE;
+ }
+
+ opj_event_msg_v2(p_manager, EVT_INFO, "tile number %d / %d\n", p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
+
+ p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
+ p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
+ p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
+
+ /* initialisation before tile encoding */
+ if (! tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) {
+ return OPJ_FALSE;
+ }
+
+ return OPJ_TRUE;
+}
+
+/*
+ *
+ */
+void j2k_get_tile_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data)
+{
+ OPJ_UINT32 i,j,k = 0;
+ OPJ_UINT32 l_width,l_height,l_stride, l_offset_x,l_offset_y, l_image_width;
+ opj_image_comp_t * l_img_comp = 00;
+ opj_tcd_tilecomp_v2_t * l_tilec = 00;
+ opj_image_t * l_image = 00;
+ OPJ_UINT32 l_size_comp, l_remaining;
+ OPJ_INT32 * l_src_ptr;
+ l_tilec = p_tcd->tcd_image->tiles->comps;
+ l_image = p_tcd->image;
+ l_img_comp = l_image->comps;
+
+ for (i=0;i<p_tcd->image->numcomps;++i) {
+ l_size_comp = l_img_comp->prec >> 3; /* (/8) */
+ l_remaining = l_img_comp->prec & 7; /* (%8) */
+ if (l_remaining) {
+ ++l_size_comp;
}
- if (! l_go_on) {
- break;
+ if (l_size_comp == 3) {
+ l_size_comp = 4;
}
- if (l_data_size > l_max_data_size) {
- l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_data_size);
- if (! l_current_data) {
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
+ l_width = (l_tilec->x1 - l_tilec->x0);
+ l_height = (l_tilec->y1 - l_tilec->y0);
+ l_offset_x = int_ceildiv(l_image->x0, l_img_comp->dx);
+ l_offset_y = int_ceildiv(l_image->y0, l_img_comp->dy);
+ l_image_width = int_ceildiv(l_image->x1 - l_image->x0, l_img_comp->dx);
+ l_stride = l_image_width - l_width;
+ l_src_ptr = l_img_comp->data + (l_tilec->x0 - l_offset_x) + (l_tilec->y0 - l_offset_y) * l_image_width;
- l_max_data_size = l_data_size;
- }
+ switch (l_size_comp) {
+ case 1:
+ {
+ OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
+ if (l_img_comp->sgnd) {
+ for (j=0;j<l_height;++j) {
+ for (k=0;k<l_width;++k) {
+ *(l_dest_ptr) = (OPJ_CHAR) (*l_src_ptr);
+ ++l_dest_ptr;
+ ++l_src_ptr;
+ }
+ l_src_ptr += l_stride;
+ }
+ }
+ else {
+ for (j=0;j<l_height;++j) {
+ for (k=0;k<l_width;++k) {
+ *(l_dest_ptr) = (*l_src_ptr)&0xff;
+ ++l_dest_ptr;
+ ++l_src_ptr;
+ }
+ l_src_ptr += l_stride;
+ }
+ }
+
+ p_data = (OPJ_BYTE*) l_dest_ptr;
+ }
+ break;
+ case 2:
+ {
+ OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
+ if (l_img_comp->sgnd) {
+ for (j=0;j<l_height;++j) {
+ for (k=0;k<l_width;++k) {
+ *(l_dest_ptr++) = (OPJ_INT16) (*(l_src_ptr++));
+ }
+ l_src_ptr += l_stride;
+ }
+ }
+ else {
+ for (j=0;j<l_height;++j) {
+ for (k=0;k<l_width;++k) {
+ *(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
+ }
+ l_src_ptr += l_stride;
+ }
+ }
- if (! j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) {
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
- opj_event_msg_v2(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
+ p_data = (OPJ_BYTE*) l_dest_ptr;
+ }
+ break;
+ case 4:
+ {
+ OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
+ for (j=0;j<l_height;++j) {
+ for (k=0;k<l_width;++k) {
+ *(l_dest_ptr++) = *(l_src_ptr++);
+ }
+ l_src_ptr += l_stride;
+ }
- if (! j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) {
- opj_free(l_current_data);
- return OPJ_FALSE;
+ p_data = (OPJ_BYTE*) l_dest_ptr;
+ }
+ break;
}
- opj_event_msg_v2(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
+ ++l_img_comp;
+ ++l_tilec;
}
-
- opj_free(l_current_data);
-
- return OPJ_TRUE;
}
+
/**
- * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
+ * Write a tile.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_stream the stream to write data to.
+ * @param p_manager the user event manager.
*/
-void j2k_setup_decoding (opj_j2k_v2_t *p_j2k)
+opj_bool j2k_post_write_tile ( opj_j2k_v2_t * p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
{
- /* preconditions*/
- assert(p_j2k != 00);
+ opj_tcd_v2_t * l_tcd = 00;
+ opj_cp_v2_t * l_cp = 00;
+ opj_tcp_v2_t * l_tcp = 00;
+ OPJ_UINT32 l_nb_bytes_written;
+ OPJ_BYTE * l_current_data = 00;
+ OPJ_UINT32 l_tile_size = 0;
+ OPJ_UINT32 l_available_data;
- opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_decode_tiles);
- /* DEVELOPER CORNER, add your custom procedures */
+ /* preconditions */
+ assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
-}
+ l_tcd = p_j2k->m_tcd;
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
-/*
- * Read and decode one tile.
- */
-opj_bool j2k_decode_one_tile ( opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager)
-{
- opj_bool l_go_on = OPJ_TRUE;
- OPJ_UINT32 l_current_tile_no;
- OPJ_UINT32 l_tile_no_to_dec;
- OPJ_UINT32 l_data_size,l_max_data_size;
- OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1;
- OPJ_UINT32 l_nb_comps;
- OPJ_BYTE * l_current_data;
+ l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
+ l_available_data = l_tile_size;
+ l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
- l_current_data = (OPJ_BYTE*)opj_malloc(1000);
- if (! l_current_data) {
+ if (! tcd_copy_tile_data(l_tcd,p_data,p_data_size)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Size mismatch between tile data and sent data." );
return OPJ_FALSE;
}
- l_max_data_size = 1000;
- /*Allocate and initialize some elements of codestrem index if not already done*/
- if( !p_j2k->cstr_index->tile_index)
- {
- if (!j2k_allocate_tile_element_cstr_index(p_j2k)){
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
+ l_nb_bytes_written = 0;
+ if (! j2k_write_first_tile_part(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) {
+ return OPJ_FALSE;
}
- /* Move into the codestream to the first SOT used to decode the desired tile */
- l_tile_no_to_dec = p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
- if (p_j2k->cstr_index->tile_index)
- if(p_j2k->cstr_index->tile_index->tp_index)
- {
- if ( ! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
- /* the index for this tile has not been built,
- * so move to the last SOT read */
- if ( opj_stream_read_seek(p_stream, p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos+2, p_manager) ){
- opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
- return OPJ_FALSE;
- }
- }
- else{
- if (opj_stream_read_seek(p_stream, p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos+2, p_manager)) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
- return OPJ_FALSE;
- }
- }
- /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
- if(p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC)
- p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
- }
+ l_current_data += l_nb_bytes_written;
+ l_available_data -= l_nb_bytes_written;
- while (OPJ_TRUE) {
- if (! j2k_read_tile_header( p_j2k,
- &l_current_tile_no,
- &l_data_size,
- &l_tile_x0, &l_tile_y0,
- &l_tile_x1, &l_tile_y1,
- &l_nb_comps,
- &l_go_on,
- p_stream,
- p_manager)) {
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
-
-
- if (! l_go_on) {
- break;
- }
+ l_nb_bytes_written = 0;
+ if (! j2k_write_all_tile_parts(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
- if (l_data_size > l_max_data_size) {
- l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_data_size);
- if (! l_current_data) {
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
+ l_available_data -= l_nb_bytes_written;
+ l_nb_bytes_written = l_tile_size - l_available_data;
- l_max_data_size = l_data_size;
- }
+ if ( opj_stream_write_data( p_stream,
+ p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
+ l_nb_bytes_written,p_manager) != l_nb_bytes_written) {
+ return OPJ_FALSE;
+ }
+ ++p_j2k->m_current_tile_number;
+ return OPJ_TRUE;
+}
- if (! j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) {
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
- opj_event_msg_v2(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
- if (! j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) {
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
- opj_event_msg_v2(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no);
+/**
+ * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
+ * are valid. Developers wanting to extend the library can add their own validation procedures.
+ */
+void j2k_setup_end_compress (opj_j2k_v2_t *p_j2k)
+{
+ /* preconditions */
+ assert(p_j2k != 00);
- if(l_current_tile_no == l_tile_no_to_dec)
- {
- /* move into the codestream to the the first SOT (FIXME or not move?)*/
- if (opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2, p_manager) ) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
- return OPJ_FALSE;
- }
- break;
- }
- else {
- opj_event_msg_v2(p_manager, EVT_WARNING, "Tile read, decode and updated is not the desired (%d vs %d).\n", l_current_tile_no, l_tile_no_to_dec);
- }
+ /* DEVELOPER CORNER, insert your custom procedures */
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_eoc_v2 );
+ if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema) {
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_updated_tlm);
}
- opj_free(l_current_data);
-
- return OPJ_TRUE;
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_epc );
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_end_encoding );
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_destroy_header_memory);
}
-
/**
- * Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures.
+ * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
+ * are valid. Developers wanting to extend the library can add their own validation procedures.
*/
-void j2k_setup_decoding_tile (opj_j2k_v2_t *p_j2k)
+void j2k_setup_encoding_validation (opj_j2k_v2_t *p_j2k)
{
- /* preconditions*/
+ /* preconditions */
assert(p_j2k != 00);
- opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_decode_one_tile);
- /* DEVELOPER CORNER, add your custom procedures */
+ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)j2k_build_encoder);
+ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)j2k_encoding_validation);
+ /* DEVELOPER CORNER, add your custom validation procedure */
+ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)j2k_mct_validation);
}
/**
- * Decodes the tiles of the stream.
+ * Sets up the procedures to do on writing header.
+ * Developers wanting to extend the library can add their own writing procedures.
*/
-opj_bool j2k_decode_v2( opj_j2k_v2_t * p_j2k,
- opj_stream_private_t * p_stream,
- opj_image_t * p_image,
- opj_event_mgr_t * p_manager)
+void j2k_setup_header_writting (opj_j2k_v2_t *p_j2k)
{
- OPJ_UINT32 compno;
-
- if (!p_image)
- return OPJ_FALSE;
+ /* preconditions */
+ assert(p_j2k != 00);
- p_j2k->m_output_image = opj_image_create0();
- if (! (p_j2k->m_output_image)) {
- return OPJ_FALSE;
- }
- opj_copy_image_header(p_image, p_j2k->m_output_image);
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_init_info );
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_soc_v2 );
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_siz_v2 );
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_cod_v2 );
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_qcd_v2 );
- /* customization of the decoding */
- j2k_setup_decoding(p_j2k);
- /* Decode the codestream */
- if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
- opj_image_destroy(p_j2k->m_private_image);
- p_j2k->m_private_image = NULL;
- return OPJ_FALSE;
- }
+ if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema) {
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_image_components );
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_tlm_v2 );
- /* Move data and copy one information from codec to output image*/
- for (compno = 0; compno < p_image->numcomps; compno++) {
- p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded;
- p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
- p_j2k->m_output_image->comps[compno].data = NULL;
+ if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema == CINEMA4K_24) {
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_poc_v2 );
+ }
}
- return OPJ_TRUE;
-}
-
-
-/**
- * Get the decoded tile.
- *
- * @param p_j2k the jpeg2000 codestream codec.
- * @param p_stream input_stream
- * @param p_image output image. .
- * @param p_manager the user event manager
- * @param tile_index index of the tile we want decode
- *
- * @return true if succeed.
- */
-opj_bool j2k_get_tile( opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- opj_image_t* p_image,
- struct opj_event_mgr * p_manager,
- OPJ_UINT32 tile_index )
-{
- OPJ_UINT32 compno;
- OPJ_UINT32 l_tile_x, l_tile_y;
- opj_image_comp_t* l_img_comp;
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_regions);
- if (!p_image) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "We need an image previously created.\n");
- return OPJ_FALSE;
+ if (p_j2k->m_cp.comment != 00) {
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_com_v2);
}
- if ( (tile_index < 0) && (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th) ){
- opj_event_msg_v2(p_manager, EVT_ERROR, "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index, (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
- return OPJ_FALSE;
+ /* DEVELOPER CORNER, insert your custom procedures */
+ if (p_j2k->m_cp.rsiz & MCT) {
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_write_mct_data_group );
}
+ /* End of Developer Corner */
- /* Compute the dimension of the desired tile*/
- l_tile_x = tile_index % p_j2k->m_cp.tw;
- l_tile_y = tile_index / p_j2k->m_cp.tw;
-
- p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
- if (p_image->x0 < p_j2k->m_private_image->x0)
- p_image->x0 = p_j2k->m_private_image->x0;
- p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
- if (p_image->x1 > p_j2k->m_private_image->x1)
- p_image->x1 = p_j2k->m_private_image->x1;
+ if (p_j2k->cstr_index) {
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_get_end_header );
+ }
- p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
- if (p_image->y0 < p_j2k->m_private_image->y0)
- p_image->y0 = p_j2k->m_private_image->y0;
- p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
- if (p_image->y1 > p_j2k->m_private_image->y1)
- p_image->y1 = p_j2k->m_private_image->y1;
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_create_tcd);
+ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)j2k_update_rates);
+}
- l_img_comp = p_image->comps;
- for (compno=0; compno < p_image->numcomps; ++compno)
- {
- OPJ_INT32 l_comp_x1, l_comp_y1;
- l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
+opj_bool j2k_write_first_tile_part (opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 p_total_data_size,
+ opj_stream_private_t *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ OPJ_UINT32 compno;
+ OPJ_UINT32 l_nb_bytes_written = 0;
+ OPJ_UINT32 l_current_nb_bytes_written;
+ OPJ_BYTE * l_begin_data = 00;
- l_img_comp->x0 = int_ceildiv(p_image->x0, l_img_comp->dx);
- l_img_comp->y0 = int_ceildiv(p_image->y0, l_img_comp->dy);
- l_comp_x1 = int_ceildiv(p_image->x1, l_img_comp->dx);
- l_comp_y1 = int_ceildiv(p_image->y1, l_img_comp->dy);
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tcd_v2_t * l_tcd = 00;
+ opj_cp_v2_t * l_cp = 00;
- l_img_comp->w = int_ceildivpow2(l_comp_x1, l_img_comp->factor) - int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
- l_img_comp->h = int_ceildivpow2(l_comp_y1, l_img_comp->factor) - int_ceildivpow2(l_img_comp->y0, l_img_comp->factor);
+ l_tcd = p_j2k->m_tcd;
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
- l_img_comp++;
- }
+ l_tcd->cur_pino = 0;
- /* Destroy the previous output image*/
- if (p_j2k->m_output_image)
- opj_image_destroy(p_j2k->m_output_image);
+ /*Get number of tile parts*/
+ p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
- /* Create the ouput image from the information previously computed*/
- p_j2k->m_output_image = opj_image_create0();
- if (! (p_j2k->m_output_image)) {
+ /* INDEX >> */
+ /* << INDEX */
+
+ l_current_nb_bytes_written = 0;
+ l_begin_data = p_data;
+ if (! j2k_write_sot_v2(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager))
+ {
return OPJ_FALSE;
}
- opj_copy_image_header(p_image, p_j2k->m_output_image);
- p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = tile_index;
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_data += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
- /* customization of the decoding */
- j2k_setup_decoding_tile(p_j2k);
+ if (l_cp->m_specific_param.m_enc.m_cinema == 0) {
+ for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
+ l_current_nb_bytes_written = 0;
+ j2k_write_coc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager);
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_data += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
- /* Decode the codestream */
- if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
- opj_image_destroy(p_j2k->m_private_image);
- p_j2k->m_private_image = NULL;
- return OPJ_FALSE;
+ l_current_nb_bytes_written = 0;
+ j2k_write_qcc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager);
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_data += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
+ }
+
+ if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) {
+ l_current_nb_bytes_written = 0;
+ j2k_write_poc_in_memory(p_j2k,p_data,&l_current_nb_bytes_written,p_manager);
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_data += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
+ }
}
- /* Move data and copy one information from codec to output image*/
- for (compno = 0; compno < p_image->numcomps; compno++) {
- p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded;
+ l_current_nb_bytes_written = 0;
+ if (! j2k_write_sod_v2(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
- if (p_image->comps[compno].data)
- opj_free(p_image->comps[compno].data);
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ * p_data_written = l_nb_bytes_written;
- p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
+ /* Writing Psot in SOT marker */
+ opj_write_bytes(l_begin_data + 6,l_nb_bytes_written,4); /* PSOT */
- p_j2k->m_output_image->comps[compno].data = NULL;
+ if (l_cp->m_specific_param.m_enc.m_cinema){
+ j2k_update_tlm(p_j2k,l_nb_bytes_written);
}
return OPJ_TRUE;
}
-opj_bool j2k_set_decoded_resolution_factor(opj_j2k_v2_t *p_j2k, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager)
+opj_bool j2k_write_all_tile_parts( opj_j2k_v2_t *p_j2k,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 * p_data_written,
+ OPJ_UINT32 p_total_data_size,
+ opj_stream_private_t *p_stream,
+ struct opj_event_mgr * p_manager
+ )
{
- OPJ_UINT32 it_comp;
+ OPJ_UINT32 tilepartno=0;
+ OPJ_UINT32 l_nb_bytes_written = 0;
+ OPJ_UINT32 l_current_nb_bytes_written;
+ OPJ_UINT32 l_part_tile_size;
+ OPJ_UINT32 tot_num_tp;
+ OPJ_UINT32 pino;
+
+ OPJ_BYTE * l_begin_data;
+ opj_tcp_v2_t *l_tcp = 00;
+ opj_tcd_v2_t * l_tcd = 00;
+ opj_cp_v2_t * l_cp = 00;
- p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
- if (p_j2k->m_private_image) {
- if (p_j2k->m_private_image->comps) {
- if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
- if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
- for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
- OPJ_UINT32 max_res = p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
- if ( res_factor >= max_res){
- opj_event_msg_v2(p_manager, EVT_ERROR, "Resolution factor is greater than the maximum resolution in the component.\n");
- return OPJ_FALSE;
- }
- p_j2k->m_private_image->comps[it_comp].factor = res_factor;
- }
- return OPJ_TRUE;
- }
+ l_tcd = p_j2k->m_tcd;
+ l_cp = &(p_j2k->m_cp);
+ l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
+
+ /*Get number of tile parts*/
+ tot_num_tp = j2k_get_num_tp_v2(l_cp,0,p_j2k->m_current_tile_number);
+
+ for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
+ p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
+ l_current_nb_bytes_written = 0;
+ l_part_tile_size = 0;
+ l_begin_data = p_data;
+
+ if (! j2k_write_sot_v2(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_data += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
+ l_part_tile_size += l_nb_bytes_written;
+
+ l_current_nb_bytes_written = 0;
+ if (! j2k_write_sod_v2(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ p_data += l_current_nb_bytes_written;
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
+ l_part_tile_size += l_nb_bytes_written;
+
+ /* Writing Psot in SOT marker */
+ opj_write_bytes(l_begin_data + 6,l_part_tile_size,4); /* PSOT */
+
+ if (l_cp->m_specific_param.m_enc.m_cinema) {
+ j2k_update_tlm(p_j2k,l_part_tile_size);
+ }
+
+ ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
+ }
+
+ for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
+ l_tcd->cur_pino = pino;
+
+ /*Get number of tile parts*/
+ tot_num_tp = j2k_get_num_tp_v2(l_cp,pino,p_j2k->m_current_tile_number);
+ for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
+ p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
+ l_current_nb_bytes_written = 0;
+ l_part_tile_size = 0;
+ l_begin_data = p_data;
+
+ if (! j2k_write_sot_v2(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_data += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
+ l_part_tile_size += l_current_nb_bytes_written;
+
+ l_current_nb_bytes_written = 0;
+
+ if (! j2k_write_sod_v2(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) {
+ return OPJ_FALSE;
+ }
+
+ l_nb_bytes_written += l_current_nb_bytes_written;
+ p_data += l_current_nb_bytes_written;
+ p_total_data_size -= l_current_nb_bytes_written;
+ l_part_tile_size += l_current_nb_bytes_written;
+
+ /* Writing Psot in SOT marker */
+ opj_write_bytes(l_begin_data + 6,l_part_tile_size,4); /* PSOT */
+
+ if (l_cp->m_specific_param.m_enc.m_cinema) {
+ j2k_update_tlm(p_j2k,l_part_tile_size);
}
+
+ ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
}
}
- return OPJ_FALSE;
-}
+ *p_data_written = l_nb_bytes_written;
+ return OPJ_TRUE;
+}
/**
- * Encodes all the tiles in a row.
- */
-opj_bool j2k_encode_v2( opj_j2k_v2_t * p_j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager )
+ * Writes the updated tlm.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_write_updated_tlm( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
{
- OPJ_UINT32 i;
- OPJ_UINT32 l_nb_tiles;
- OPJ_UINT32 l_max_tile_size, l_current_tile_size;
- OPJ_BYTE * l_current_data;
+ OPJ_UINT32 l_tlm_size;
+ OPJ_SIZE_T l_tlm_position, l_current_position;
/* preconditions */
assert(p_j2k != 00);
- assert(p_stream != 00);
assert(p_manager != 00);
+ assert(p_stream != 00);
- l_current_data = (OPJ_BYTE*)opj_malloc(1000);
- if (! l_current_data) {
+ l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
+ l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
+ l_current_position = opj_stream_tell(p_stream);
+
+ if (! opj_stream_seek(p_stream,l_tlm_position,p_manager)) {
return OPJ_FALSE;
}
- l_max_tile_size = 1000;
- l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
- for (i=0;i<l_nb_tiles;++i) {
- if (! j2k_pre_write_tile(p_j2k,i,p_stream,p_manager)) {
- opj_free(l_current_data);
- return OPJ_FALSE;
- }
+ if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer,l_tlm_size,p_manager) != l_tlm_size) {
+ return OPJ_FALSE;
+ }
- l_current_tile_size = tcd_get_encoded_tile_size(p_j2k->m_tcd);
- if (l_current_tile_size > l_max_tile_size) {
- l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_tile_size);
- if (! l_current_data) {
- return OPJ_FALSE;
- }
- l_max_tile_size = l_current_tile_size;
- }
+ if (! opj_stream_seek(p_stream,l_current_position,p_manager)) {
+ return OPJ_FALSE;
+ }
- j2k_get_tile_data(p_j2k->m_tcd,l_current_data);
+ return OPJ_TRUE;
+}
- if (! j2k_post_write_tile (p_j2k,l_current_data,l_current_tile_size,p_stream,p_manager)) {
- return OPJ_FALSE;
- }
+
+/**
+ * Ends the encoding, i.e. frees memory.
+ *
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_end_encoding( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
+{
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ tcd_destroy_v2(p_j2k->m_tcd);
+ p_j2k->m_tcd = 00;
+
+ if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
+ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
}
- opj_free(l_current_data);
+ if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
+ p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
+ }
+
+ p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
+
return OPJ_TRUE;
}
/**
- * Ends the compression procedures and possibility add data to be read after the
- * codestream.
+ * Destroys the memory associated with the decoding of headers.
*/
-opj_bool j2k_end_compress( opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- struct opj_event_mgr * p_manager)
+opj_bool j2k_destroy_header_memory (opj_j2k_v2_t * p_j2k,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
{
- /* customization of the encoding */
- j2k_setup_end_compress(p_j2k);
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_stream != 00);
+ assert(p_manager != 00);
- if (! j2k_exec (p_j2k, p_j2k->m_procedure_list, p_stream, p_manager))
- {
- return OPJ_FALSE;
+ if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
+ opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
}
+ p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
+
return OPJ_TRUE;
}
/**
- * Starts a compression scheme, i.e. validates the codec parameters, writes the header.
- *
- * @param p_j2k the jpeg2000 codec.
- * @param p_stream the stream object.
- * @param p_manager the user event manager.
+ * Inits the Info
*
- * @return true if the codec is valid.
- */
-opj_bool j2k_start_compress(opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- opj_image_t * p_image,
- opj_event_mgr_t * p_manager)
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_init_info( opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
{
- // preconditions
+ opj_codestream_info_t * l_cstr_info = 00;
+
+ /* preconditions */
assert(p_j2k != 00);
- assert(p_stream != 00);
assert(p_manager != 00);
+ assert(p_stream != 00);
+ (void)l_cstr_info;
- p_j2k->m_image = p_image;
+ /* TODO mergeV2: check this part which use cstr_info */
+ /*l_cstr_info = p_j2k->cstr_info;
- /* customization of the validation */
- j2k_setup_encoding_validation (p_j2k);
+ if (l_cstr_info) {
+ OPJ_UINT32 compno;
+ l_cstr_info->tile = (opj_tile_info_t *) opj_malloc(p_j2k->m_cp.tw * p_j2k->m_cp.th * sizeof(opj_tile_info_t));
- /* validation of the parameters codec */
- if (! j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager)) {
- return OPJ_FALSE;
- }
+ l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
+ l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
- /* customization of the encoding */
- j2k_setup_header_writting(p_j2k);
+ l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
- /* write header */
- if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
- return OPJ_FALSE;
- }
+ l_cstr_info->tw = p_j2k->m_cp.tw;
+ l_cstr_info->th = p_j2k->m_cp.th;
- return OPJ_TRUE;
+ l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
+ /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
+ /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
+ /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
+
+ /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
+
+ l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
+
+ l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
+
+ for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
+ l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
+ }
+
+ l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
+
+ /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
+
+ /*l_cstr_info->maxmarknum = 100;
+ l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
+ l_cstr_info->marknum = 0;
+ }*/
+
+ return j2k_calculate_tp_v2(p_j2k,&(p_j2k->m_cp),&p_j2k->m_specific_param.m_encoder.m_total_tile_parts,p_j2k->m_private_image,p_manager);
}
-/*
+/**
+ * Creates a tile-coder decoder.
*
- */
-opj_bool j2k_pre_write_tile ( opj_j2k_v2_t * p_j2k,
- OPJ_UINT32 p_tile_index,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager )
+ * @param p_stream the stream to write data to.
+ * @param p_j2k J2K codec.
+ * @param p_manager the user event manager.
+*/
+opj_bool j2k_create_tcd(opj_j2k_v2_t *p_j2k,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager )
{
- if (p_tile_index != p_j2k->m_current_tile_number) {
- opj_event_msg_v2(p_manager, EVT_ERROR, "The given tile index does not match." );
+ /* preconditions */
+ assert(p_j2k != 00);
+ assert(p_manager != 00);
+ assert(p_stream != 00);
+
+ p_j2k->m_tcd = tcd_create_v2(OPJ_FALSE);
+
+ if (! p_j2k->m_tcd) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
return OPJ_FALSE;
}
- opj_event_msg_v2(p_manager, EVT_INFO, "tile number %d / %d\n", p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
+ if (! tcd_init_v2(p_j2k->m_tcd,p_j2k->m_private_image,&p_j2k->m_cp)) {
+ tcd_destroy_v2(p_j2k->m_tcd);
+ p_j2k->m_tcd = 00;
+ return OPJ_FALSE;
+ }
- p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
- p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
- p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
+ return OPJ_TRUE;
+}
- /* initialisation before tile encoding */
- if (! tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) {
+
+/**
+ * Writes a tile.
+ * @param p_j2k the jpeg2000 codec.
+ * @param p_stream the stream to write data to.
+ * @param p_manager the user event manager.
+ */
+opj_bool j2k_write_tile (opj_j2k_v2_t * p_j2k,
+ OPJ_UINT32 p_tile_index,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_private_t *p_stream,
+ opj_event_mgr_t * p_manager )
+{
+ if (! j2k_pre_write_tile(p_j2k,p_tile_index,p_stream,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error while j2k_pre_write_tile with tile index = %d\n", p_tile_index);
return OPJ_FALSE;
}
+ else {
+ if (! j2k_post_write_tile(p_j2k,p_data,p_data_size,p_stream,p_manager)) {
+ opj_event_msg_v2(p_manager, EVT_ERROR, "Error while j2k_post_write_tile with tile index = %d\n", p_tile_index);
+ return OPJ_FALSE;
+ }
+ }
return OPJ_TRUE;
}
projects / openjpeg.git / blobdiff