Deleting obsolete files and directories, adding v2-specific files and directories, updating existing files to v2. See README.v2 for more info

1 files changed, 473 insertions, 183 deletions

diff --git a/libopenjpeg/j2k.h b/libopenjpeg/j2k.h
index 5599be47..c28123a5 100644
--- a/libopenjpeg/j2k.h
+++ b/libopenjpeg/j2k.h
@@ -6,6 +6,7 @@
  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
  * Copyright (c) 2005, Herve Drolon, FreeImage Team
  * Copyright (c) 2006-2007, Parvatha Elangovan
+ * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,6 +39,11 @@
 The functions in J2K.C have for goal to read/write the several parts of the codestream: markers and data.
 */
 
+#include "openjpeg.h"
+
+struct opj_dparameters;
+struct opj_stream_private;
+struct opj_event_mgr;
 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
 /*@{*/
 
@@ -77,6 +83,11 @@ The functions in J2K.C have for goal to read/write the several parts of the code
 #define J2K_MS_EPH 0xff92	/**< EPH marker value */
 #define J2K_MS_CRG 0xff63	/**< CRG marker value */
 #define J2K_MS_COM 0xff64	/**< COM marker value */
+#define J2K_MS_CBD 0xff78	/**< CBD marker value */
+#define J2K_MS_MCC 0xff75	/**< MCC marker value */
+#define J2K_MS_MCT 0xff74	/**< MCT marker value */
+#define J2K_MS_MCO 0xff77	/**< MCO marker value */
+
 /* UniPG>> */
 #ifdef USE_JPWL
 #define J2K_MS_EPC 0xff68	/**< EPC marker value (Part 11: JPEG 2000 for Wireless) */
@@ -97,171 +108,267 @@ The functions in J2K.C have for goal to read/write the several parts of the code
 Values that specify the status of the decoding process when decoding the main header. 
 These values may be combined with a | operator. 
 */
-typedef enum J2K_STATUS {
-	J2K_STATE_MHSOC  = 0x0001, /**< a SOC marker is expected */
-	J2K_STATE_MHSIZ  = 0x0002, /**< a SIZ marker is expected */
-	J2K_STATE_MH     = 0x0004, /**< the decoding process is in the main header */
-	J2K_STATE_TPHSOT = 0x0008, /**< the decoding process is in a tile part header and expects a SOT marker */
-	J2K_STATE_TPH    = 0x0010, /**< the decoding process is in a tile part header */
-	J2K_STATE_MT     = 0x0020, /**< the EOC marker has just been read */
-	J2K_STATE_NEOC   = 0x0040, /**< the decoding process must not expect a EOC marker because the codestream is truncated */
-	J2K_STATE_ERR    = 0x0080  /**< the decoding process has encountered an error */
-} J2K_STATUS;
+typedef enum
+{
+	J2K_DEC_STATE_NONE  =  0x0000, /**< a SOC marker is expected */
+	J2K_DEC_STATE_MHSOC  = 0x0001, /**< a SOC marker is expected */
+	J2K_DEC_STATE_MHSIZ  = 0x0002, /**< a SIZ marker is expected */
+	J2K_DEC_STATE_MH     = 0x0004, /**< the decoding process is in the main header */
+	J2K_DEC_STATE_TPHSOT = 0x0008, /**< the decoding process is in a tile part header and expects a SOT marker */
+	J2K_DEC_STATE_TPH    = 0x0010, /**< the decoding process is in a tile part header */
+	J2K_DEC_STATE_MT     = 0x0020, /**< the EOC marker has just been read */
+	J2K_DEC_STATE_NEOC   = 0x0040, /**< the decoding process must not expect a EOC marker because the codestream is truncated */
+	J2K_DEC_STATE_DATA   = 0x0080, /**< the decoding process must not expect a EOC marker because the codestream is truncated */
+	J2K_DEC_STATE_ERR    = 0x8000,  /**< the decoding process has encountered an error */
+	J2K_DEC_STATE_EOC	 = 0x0100
+} 
+J2K_DECODING_STATUS;
 
-/* ----------------------------------------------------------------------- */
+/**
+Values that specify the status of the decoding process when decoding the main header. 
+These values may be combined with a | operator. 
+*/
+typedef enum
+{
+	J2K_ENC_STATE_NONE  =  0x0000, /**< a SOC marker is expected */
+	J2K_ENC_STATE_ENCODE  = 0x0001, /**< a SOC marker is expected */
+} 
+J2K_ENCODING_STATUS;
 
 /** 
-T2 encoding mode 
-*/
-typedef enum T2_MODE {
-	THRESH_CALC = 0,	/** Function called in Rate allocation process*/
-	FINAL_PASS = 1		/** Function called in Tier 2 process*/
-}J2K_T2_MODE;
+ * Type of data for storing the MCT data
+ */
+typedef enum MCT_ELEMENT_TYPE 
+{
+	MCT_TYPE_INT16 = 0,		/** MCT data is stored as signed shorts*/
+	MCT_TYPE_INT32 = 1,		/** MCT data is stored as signed integers*/
+	MCT_TYPE_FLOAT = 2,		/** MCT data is stored as floats*/
+	MCT_TYPE_DOUBLE = 3		/** MCT data is stored as doubles*/
+} J2K_MCT_ELEMENT_TYPE;
+
+/** 
+ * Type of data for storing the MCT data
+ */
+typedef enum MCT_ARRAY_TYPE 
+{
+	MCT_TYPE_DEPENDENCY = 0,		
+	MCT_TYPE_DECORRELATION = 1,
+	MCT_TYPE_OFFSET = 2	
+} J2K_MCT_ARRAY_TYPE;
+
+
+/* ----------------------------------------------------------------------- */
+
+
 
 /**
 Quantization stepsize
 */
-typedef struct opj_stepsize {
+typedef struct opj_stepsize 
+{
 	/** exponent */
-	int expn;
+	OPJ_UINT32 expn;
 	/** mantissa */
-	int mant;
-} opj_stepsize_t;
+	OPJ_UINT32 mant;
+} 
+opj_stepsize_t;
+
+typedef struct opj_mct_data
+{
+	J2K_MCT_ELEMENT_TYPE m_element_type;
+	J2K_MCT_ARRAY_TYPE	 m_array_type;
+	OPJ_UINT32			 m_index;
+	OPJ_BYTE *			 m_data;
+	OPJ_UINT32			 m_data_size;
+}
+opj_mct_data_t;
+
+typedef struct opj_simple_mcc_decorrelation_data
+{
+	OPJ_UINT32			 m_index;
+	OPJ_UINT32			 m_nb_comps;
+	opj_mct_data_t *	 m_decorrelation_array;
+	opj_mct_data_t *	 m_offset_array;
+	OPJ_UINT32			 m_is_irreversible : 1;
+}
+opj_simple_mcc_decorrelation_data_t;
+
 
 /**
 Tile-component coding parameters
 */
-typedef struct opj_tccp {
+typedef struct opj_tccp 
+{
 	/** coding style */
-	int csty;
+	OPJ_UINT32 csty;
 	/** number of resolutions */
-	int numresolutions;
+	OPJ_UINT32 numresolutions;
 	/** code-blocks width */
-	int cblkw;
+	OPJ_UINT32 cblkw;
 	/** code-blocks height */
-	int cblkh;
+	OPJ_UINT32 cblkh;
 	/** code-block coding style */
-	int cblksty;
+	OPJ_UINT32 cblksty;
 	/** discrete wavelet transform identifier */
-	int qmfbid;
+	OPJ_UINT32 qmfbid;
 	/** quantisation style */
-	int qntsty;
+	OPJ_UINT32 qntsty;
 	/** stepsizes used for quantization */
 	opj_stepsize_t stepsizes[J2K_MAXBANDS];
 	/** number of guard bits */
-	int numgbits;
+	OPJ_UINT32 numgbits;
 	/** Region Of Interest shift */
-	int roishift;
+	OPJ_INT32 roishift;
 	/** precinct width */
-	int prcw[J2K_MAXRLVLS];
+	OPJ_UINT32 prcw[J2K_MAXRLVLS];
 	/** precinct height */
-	int prch[J2K_MAXRLVLS];	
-} opj_tccp_t;
+	OPJ_UINT32 prch[J2K_MAXRLVLS];
+	/** the dc_level_shift **/
+	OPJ_INT32 m_dc_level_shift;
+} 
+opj_tccp_t;
 
 /**
 Tile coding parameters : 
 this structure is used to store coding/decoding parameters common to all
 tiles (information like COD, COC in main header)
 */
-typedef struct opj_tcp {
-	/** 1 : first part-tile of a tile */
-	int first;
+typedef struct opj_tcp 
+{
 	/** coding style */
-	int csty;
+	OPJ_UINT32 csty;
 	/** progression order */
 	OPJ_PROG_ORDER prg;
 	/** number of layers */
-	int numlayers;
+	OPJ_UINT32 numlayers;
+	OPJ_UINT32 num_layers_to_decode;
 	/** multi-component transform identifier */
-	int mct;
+	OPJ_UINT32 mct;
 	/** rates of layers */
-	float rates[100];
+	OPJ_FLOAT32 rates[100];
 	/** number of progression order changes */
-	int numpocs;
-	/** indicates if a POC marker has been used O:NO, 1:YES */
-	int POC;
+	OPJ_UINT32 numpocs;
 	/** progression order changes */
 	opj_poc_t pocs[32];
 	/** packet header store there for futur use in t2_decode_packet */
-	unsigned char *ppt_data;
-	/** pointer remaining on the first byte of the first header if ppt is used */
-	unsigned char *ppt_data_first;
-	/** If ppt == 1 --> there was a PPT marker for the present tile */
-	int ppt;
-	/** used in case of multiple marker PPT (number of info already stored) */
-	int ppt_store;
-	/** ppmbug1 */
-	int ppt_len;
+	OPJ_BYTE *ppt_data;
+	/** used to keep a track of the allocated memory */
+	OPJ_BYTE *ppt_buffer;
+	/** Number of bytes stored inside ppt_data*/
+	OPJ_UINT32 ppt_data_size;
+	/** size of ppt_data*/
+	OPJ_UINT32 ppt_len;
 	/** add fixed_quality */
-	float distoratio[100];
+	OPJ_FLOAT32 distoratio[100];
 	/** tile-component coding parameters */
 	opj_tccp_t *tccps;
+	/** number of tile parts for the tile. */
+	OPJ_UINT32 m_nb_tile_parts;
+	/** data for the tile */
+	OPJ_BYTE *		m_data;
+	/** size of data */
+	OPJ_UINT32		m_data_size;
+	/** encoding norms */
+	OPJ_FLOAT64 *	mct_norms;
+	/** the mct decoding matrix */
+	OPJ_FLOAT32 *	m_mct_decoding_matrix;
+	/** the mct coding matrix */
+	OPJ_FLOAT32 *	m_mct_coding_matrix;
+	/** mct records */
+	opj_mct_data_t * m_mct_records;
+	/** the number of mct records. */
+	OPJ_UINT32 m_nb_mct_records;
+	/** the max number of mct records. */
+	OPJ_UINT32 m_nb_max_mct_records;
+	/** mcc records */
+	opj_simple_mcc_decorrelation_data_t * m_mcc_records;
+	/** the number of mct records. */
+	OPJ_UINT32 m_nb_mcc_records;
+	/** the max number of mct records. */
+	OPJ_UINT32 m_nb_max_mcc_records;
+	
+
+
+	/***** FLAGS *******/
+	/** If ppt == 1 --> there was a PPT marker for the present tile */
+	OPJ_UINT32 ppt : 1;
+	/** indicates if a POC marker has been used O:NO, 1:YES */
+	OPJ_UINT32 POC : 1;
 } opj_tcp_t;
 
-/**
-Coding parameters
-*/
-typedef struct opj_cp {
+typedef struct opj_encoding_param
+{
 	/** Digital cinema profile*/
-	OPJ_CINEMA_MODE cinema;
+	OPJ_CINEMA_MODE m_cinema;
 	/** Maximum rate for each component. If == 0, component size limitation is not considered */
-	int max_comp_size;
-	/** Size of the image in bits*/
-	int img_size;
-	/** Rsiz*/
-	OPJ_RSIZ_CAPABILITIES rsiz;
-	/** Enabling Tile part generation*/
-	char tp_on;
-	/** Flag determining tile part generation*/
-	char tp_flag;
+	OPJ_UINT32 m_max_comp_size;
 	/** Position of tile part flag in progression order*/
-	int tp_pos;
+	OPJ_INT32 m_tp_pos;
+	/** fixed layer */
+	OPJ_INT32 *m_matrice;
+	/** Flag determining tile part generation*/
+	OPJ_BYTE m_tp_flag;
 	/** allocation by rate/distortion */
-	int disto_alloc;
+	OPJ_UINT32 m_disto_alloc : 1;
 	/** allocation by fixed layer */
-	int fixed_alloc;
+	OPJ_UINT32 m_fixed_alloc : 1;
 	/** add fixed_quality */
-	int fixed_quality;
+	OPJ_UINT32 m_fixed_quality : 1;
+	/** Enabling Tile part generation*/
+	OPJ_UINT32 m_tp_on : 1;
+}
+opj_encoding_param_t;
+
+typedef struct opj_decoding_param
+{
 	/** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
-	int reduce;
+	OPJ_UINT32 m_reduce;
 	/** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
-	int layer;
-	/** if == NO_LIMITATION, decode entire codestream; if == LIMIT_TO_MAIN_HEADER then only decode the main header */
-	OPJ_LIMIT_DECODING limit_decoding;
+	OPJ_UINT32 m_layer;
+}
+opj_decoding_param_t;
+	
+/**
+Coding parameters
+*/
+typedef struct opj_cp 
+{
+	/** Size of the image in bits*/
+	/*int img_size;*/
+	/** Rsiz*/
+	OPJ_RSIZ_CAPABILITIES rsiz;
 	/** XTOsiz */
-	int tx0;
+	OPJ_INT32 tx0;
 	/** YTOsiz */
-	int ty0;
+	OPJ_INT32 ty0;
 	/** XTsiz */
-	int tdx;
+	OPJ_UINT32 tdx;
 	/** YTsiz */
-	int tdy;
-	/** comment for coding */
-	char *comment;
+	OPJ_UINT32 tdy;
+	/** comment */
+	OPJ_CHAR *comment;
 	/** number of tiles in width */
-	int tw;
+	OPJ_UINT32 tw;
 	/** number of tiles in heigth */
-	int th;
-	/** ID number of the tiles present in the codestream */
-	int *tileno;
-	/** size of the vector tileno */
-	int tileno_size;
+	OPJ_UINT32 th;
+	/** packet header storage original buffer */
+	OPJ_BYTE *ppm_buffer;
 	/** packet header store there for futur use in t2_decode_packet */
-	unsigned char *ppm_data;
-	/** pointer remaining on the first byte of the first header if ppm is used */
-	unsigned char *ppm_data_first;
-	/** if ppm == 1 --> there was a PPM marker for the present tile */
-	int ppm;
-	/** use in case of multiple marker PPM (number of info already store) */
-	int ppm_store;
-	/** use in case of multiple marker PPM (case on non-finished previous info) */
-	int ppm_previous;
-	/** ppmbug1 */
-	int ppm_len;
+	OPJ_BYTE *ppm_data;
+	/** size of the ppm_data*/
+	OPJ_UINT32 ppm_len;
+	/** Number of bytes actually stored inside the ppm_data */
+	OPJ_UINT32 ppm_data_size;
 	/** tile coding parameters */
 	opj_tcp_t *tcps;
-	/** fixed layer */
-	int *matrice;
+	union
+	{
+		opj_decoding_param_t m_dec;
+		opj_encoding_param_t m_enc;
+	}
+	m_specific_param;
+
+
 /* UniPG>> */
 #ifdef USE_JPWL
 	/** enables writing of EPC in MH, thus activating JPWL */
@@ -305,90 +412,192 @@ typedef struct opj_cp {
 	/** maximum number of tiles at the decoder */
 	int max_tiles;
 #endif /* USE_JPWL */
+
+	/******** FLAGS *********/
+	/** if ppm == 1 --> there was a PPM marker*/
+	OPJ_UINT32 ppm : 1;
+	/** tells if the parameter is a coding or decoding one */
+	OPJ_UINT32 m_is_decoder : 1;
 /* <<UniPG */
 } opj_cp_t;
 
-/**
-JPEG-2000 codestream reader/writer
-*/
-typedef struct opj_j2k {
-	/** codec context */
-	opj_common_ptr cinfo;
-
+typedef struct opj_j2k_dec
+{
 	/** locate in which part of the codestream the decoder is (main header, tile header, end) */
-	int state;
-	/** number of the tile curently concern by coding/decoding */
-	int curtileno;
-	/** Tile part number*/
-	int tp_num;
-	/** Tilepart number currently coding*/
-	int cur_tp_num;
-	/** Total number of tileparts of the current tile*/
-	int *cur_totnum_tp;
+	OPJ_UINT32 m_state;
+	/** 
+	 * store decoding parameters common to all tiles (information like COD, COC in main header)
+	 */
+	opj_tcp_t *m_default_tcp;
+	OPJ_BYTE  *m_header_data;
+	OPJ_UINT32 m_header_data_size;
+	/** to tell the tile part length */
+	OPJ_UINT32 m_sot_length;
+	/** Only tiles index in the correct range will be decoded.*/
+	OPJ_UINT32 m_start_tile_x;
+	OPJ_UINT32 m_start_tile_y;
+	OPJ_UINT32 m_end_tile_x;
+	OPJ_UINT32 m_end_tile_y;
+	/** to tell that a tile can be decoded. */
+	OPJ_UINT32 m_can_decode			: 1;
+	OPJ_UINT32 m_discard_tiles		: 1;
+	OPJ_UINT32 m_skip_data			: 1;
+
+} opj_j2k_dec_t;
+
+typedef struct opj_j2k_enc
+{
+	/** Tile part number, regardless of poc, for each new poc, tp is reset to 1*/
+	OPJ_UINT32 m_current_poc_tile_part_number; // tp_num
+	
+	/** Tile part number currently coding, taking into account POC. m_current_tile_part_number holds the total number of tile parts while encoding the last tile part.*/
+	OPJ_UINT32 m_current_tile_part_number; //cur_tp_num
+	
 	/**
 	locate the start position of the TLM marker  
 	after encoding the tilepart, a jump (in j2k_write_sod) is done to the TLM marker to store the value of its length. 
 	*/
-	int tlm_start;
-	/** Total num of tile parts in whole image = num tiles* num tileparts in each tile*/
-	/** used in TLMmarker*/
-	int totnum_tp;	
-	/** 
-	locate the position of the end of the tile in the codestream, 
-	used to detect a truncated codestream (in j2k_read_sod)
-	*/
-	unsigned char *eot;
+	OPJ_SIZE_T m_tlm_start;
 	/**
-	locate the start position of the SOT marker of the current coded tile:  
-	after encoding the tile, a jump (in j2k_write_sod) is done to the SOT marker to store the value of its length. 
-	*/
-	int sot_start;
-	int sod_start;
+	 * Stores the sizes of the tlm.
+	 */
+	OPJ_BYTE * m_tlm_sot_offsets_buffer;
 	/**
-	as the J2K-file is written in several parts during encoding, 
-	it enables to make the right correction in position return by cio_tell
-	*/
-	int pos_correction;
-	/** array used to store the data of each tile */
-	unsigned char **tile_data;
-	/** array used to store the length of each tile */
-	int *tile_len;
-	/** 
-	decompression only : 
-	store decoding parameters common to all tiles (information like COD, COC in main header)
-	*/
-	opj_tcp_t *default_tcp;
+	 * The current offset of the tlm buffer.
+	 */
+	OPJ_BYTE * m_tlm_sot_offsets_current;
+
+	/** Total num of tile parts in whole image = num tiles* num tileparts in each tile*/
+	/** used in TLMmarker*/
+	OPJ_UINT32 m_total_tile_parts;	 // totnum_tp
+	
+	/* encoded data for a tile */
+	OPJ_BYTE * m_encoded_tile_data;
+	
+	/* size of the encoded_data */
+	OPJ_UINT32 m_encoded_tile_size;
+	
+	/* encoded data for a tile */
+	OPJ_BYTE * m_header_tile_data;
+	
+	/* size of the encoded_data */
+	OPJ_UINT32 m_header_tile_data_size;
+
+
+} opj_j2k_enc_t;
+
+	
+
+
+/**
+JPEG-2000 codestream reader/writer
+*/
+typedef struct opj_j2k 
+{
+	union
+	{
+		opj_j2k_dec_t m_decoder;
+		opj_j2k_enc_t m_encoder;
+	} 
+	m_specific_param;
+
+	/** number of the tile curently concern by coding/decoding */
+	OPJ_UINT32 m_current_tile_number;
+
 	/** pointer to the encoded / decoded image */
-	opj_image_t *image;
-	/** pointer to the coding parameters */
-	opj_cp_t *cp;
+	opj_image_t *m_image;
+
+	/** Coding parameters */
+	opj_cp_t m_cp;
+
+	/** the list of procedures to exec **/
+	struct opj_procedure_list *	m_procedure_list;
+
+	/** the list of validation procedures to follow to make sure the code is valid **/
+	struct opj_procedure_list *	m_validation_list;
+	
 	/** helper used to write the index file */
 	opj_codestream_info_t *cstr_info;
-	/** pointer to the byte i/o stream */
-	opj_cio_t *cio;
-} opj_j2k_t;
+
+	/** the current tile coder/decoder **/
+	struct opj_tcd *	m_tcd;
+	
+	OPJ_UINT32 m_is_decoder : 1;
+	
+} 
+opj_j2k_t;
 
 /** @name Exported functions */
 /*@{*/
 /* ----------------------------------------------------------------------- */
 /**
-Creates a J2K decompression structure
-@param cinfo Codec context info
-@return Returns a handle to a J2K decompressor if successful, returns NULL otherwise
+ * Creates a J2K decompression structure.
+ * 
+ * @return a handle to a J2K decompressor if successful, NULL otherwise.
 */
-opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo);
+opj_j2k_t* j2k_create_decompress();
+
 /**
-Destroy a J2K decompressor handle
-@param j2k J2K decompressor handle to destroy
-*/
-void j2k_destroy_decompress(opj_j2k_t *j2k);
+ * Destroys a jpeg2000 codec.
+ * 
+ * @param	p_j2k	the jpeg20000 structure to destroy.
+ */
+void j2k_destroy (opj_j2k_t *p_j2k);
+
 /**
-Setup the decoder decoding parameters using user parameters.
-Decoding parameters are returned in j2k->cp. 
-@param j2k J2K decompressor handle
-@param parameters decompression parameters
+ * Starts a compression scheme, i.e. validates the codec parameters, writes the header.
+ *
+ * @param	p_j2k		the jpeg2000 codec.
+ * @param	cio			the stream object.
+ * @param	p_manager	the user event manager.
+ *
+ * @return true if the codec is valid.
+ */
+bool j2k_start_compress(
+						opj_j2k_t *p_j2k, 
+						struct opj_stream_private *cio, 
+						struct opj_image * p_image,
+						struct opj_event_mgr * p_manager
+						);
+/**
+ * Ends the compression procedures and possibiliy add data to be read after the 
+ * codestream.
+ */
+bool j2k_end_compress(opj_j2k_t *p_j2k, struct opj_stream_private *cio, struct opj_event_mgr * p_manager);
+
+/**
+ * Sets up the decoder decoding parameters using user parameters.
+ * Decoding parameters are stored in j2k->cp. 
+ * 
+ * @param	p_j2k			J2K codec
+ * @param	p_parameters	decompression parameters
+ * @deprecated	
 */
-void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);
+void j2k_setup_decoder(
+					   opj_j2k_t *p_j2k, 
+					   struct opj_dparameters *p_parameters
+					   );
+/**
+ * Reads a jpeg2000 codestream header structure.
+ *
+ * @param cio 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.
+ */
+bool j2k_read_header(
+								opj_j2k_t *p_j2k,
+								struct opj_image ** p_image,
+								OPJ_INT32 * p_tile_x0,
+								OPJ_INT32 * p_tile_y0,
+								OPJ_UINT32 * p_tile_width,
+								OPJ_UINT32 * p_tile_height,
+								OPJ_UINT32 * p_nb_tiles_x,
+								OPJ_UINT32 * p_nb_tiles_y,
+								struct opj_stream_private *cio,
+								struct opj_event_mgr * p_manager
+							);
 /**
 Decode an image from a JPEG-2000 codestream
 @param j2k J2K decompressor handle
@@ -396,7 +605,14 @@ Decode an image from a JPEG-2000 codestream
 @param cstr_info Codestream information structure if required, NULL otherwise
 @return Returns a decoded image if successful, returns NULL otherwise
 */
-opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
+opj_image_t* j2k_decode(opj_j2k_t *j2k, struct opj_stream_private *cio, struct opj_event_mgr * p_manager);
+
+/**
+ * Ends the decompression procedures and possibiliy add data to be read after the 
+ * codestream.
+ */
+bool j2k_end_decompress(opj_j2k_t *j2k, struct opj_stream_private *cio, struct opj_event_mgr * p_manager);
+
 /**
 Decode an image form a JPT-stream (JPEG 2000, JPIP)
 @param j2k J2K decompressor handle
@@ -404,18 +620,15 @@ Decode an image form a JPT-stream (JPEG 2000, JPIP)
 @param cstr_info Codestream information structure if required, NULL otherwise
 @return Returns a decoded image if successful, returns NULL otherwise
 */
-opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
+opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, struct opj_stream_private *cio, struct opj_codestream_info *cstr_info);
+
 /**
 Creates a J2K compression structure
 @param cinfo Codec context info
 @return Returns a handle to a J2K compressor if successful, returns NULL otherwise
 */
-opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo);
-/**
-Destroy a J2K compressor handle
-@param j2k J2K compressor handle to destroy
-*/
-void j2k_destroy_compress(opj_j2k_t *j2k);
+opj_j2k_t* j2k_create_compress();
+
 /**
 Setup the encoder parameters using the current image and using user parameters. 
 Coding parameters are returned in j2k->cp. 
@@ -423,20 +636,97 @@ Coding parameters are returned in j2k->cp.
 @param parameters compression parameters
 @param image input filled image
 */
-void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image);
+void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image, struct opj_event_mgr * p_manager);
+
 /**
-Converts an enum type progression order to string type
-*/
-char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order);
+ * 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.
+ */
+bool j2k_write_tile (
+					 opj_j2k_t * p_j2k,
+					 OPJ_UINT32 p_tile_index,
+					 OPJ_BYTE * p_data,
+					 OPJ_UINT32 p_data_size,
+					 struct opj_stream_private *p_stream,
+					 struct opj_event_mgr * p_manager
+					);
+
 /**
-Encode an image into a JPEG-2000 codestream
-@param j2k J2K compressor handle
-@param cio Output buffer stream
-@param image Image to encode
-@param cstr_info Codestream information structure if required, NULL otherwise
-@return Returns true if successful, returns false otherwise
-*/
-bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
+ * Converts an enum type progression order to string type.
+ * 
+ * @param prg_order		the progression order to get.
+ * 
+ * @return	the string representation of the gicen progression order.
+ */
+const char * j2k_convert_progression_order(OPJ_PROG_ORDER prg_order);
+
+
+/**
+ * Encodes an image into a JPEG-2000 codestream
+ */
+bool j2k_encode( 
+					opj_j2k_t * p_j2k,
+					struct opj_stream_private *cio,
+					struct opj_event_mgr * p_manager
+				);
+bool	 j2k_setup_mct_encoding (opj_tcp_t * p_tcp,opj_image_t * p_image);
+
+/**
+ * Decode tile data.
+ * @param	p_j2k		the jpeg2000 codec.
+ * @param	p_stream			the stream to write data to.
+ * @param	p_manager	the user event manager.
+ */
+bool j2k_decode_tile (
+					opj_j2k_t * p_j2k,
+					OPJ_UINT32 p_tile_index,
+					OPJ_BYTE * p_data,
+					OPJ_UINT32 p_data_size,
+					struct opj_stream_private *p_stream,
+					struct opj_event_mgr * p_manager
+					);
+/**
+ * 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.
+ */
+bool j2k_read_tile_header (
+					 opj_j2k_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,
+					 bool * p_go_on,
+					 struct opj_stream_private *p_stream,
+					 struct opj_event_mgr * p_manager
+					);
+/**
+ * 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.
+ */				
+bool j2k_set_decode_area(
+			opj_j2k_t *p_j2k,
+			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
+			);
+
 
 /* ----------------------------------------------------------------------- */
 /*@}*/