/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herv� Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
-
#ifndef __T2_H
#define __T2_H
/**
Tier-2 coding
*/
typedef struct opj_t2 {
- /** codec context */
- opj_common_ptr cinfo;
+ /** codec context */
+ opj_common_ptr cinfo;
- /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
- opj_image_t *image;
- /** pointer to the image coding parameters */
- opj_cp_t *cp;
+ /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
+ opj_image_t *image;
+ /** pointer to the image coding parameters */
+ opj_cp_t *cp;
} opj_t2_t;
-/** @name Local static functions */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-
-static void t2_putcommacode(opj_bio_t *bio, int n);
-static int t2_getcommacode(opj_bio_t *bio);
-/**
-Variable length code for signalling delta Zil (truncation point)
-@param bio Bit Input/Output component
-@param n delta Zil
-*/
-static void t2_putnumpasses(opj_bio_t *bio, int n);
-static int t2_getnumpasses(opj_bio_t *bio);
-/**
-Encode a packet of a tile to a destination buffer
-@param t2 T2 handle
-@param tile Tile for which to write the packets
-@param tcp Tile coding parameters
-@param pi Packet identity
-@param dest Destination buffer
-@param len Length of the destination buffer
-@param image_info Structure to create an index file
-@param tileno Number of the tile encoded
-@return
-*/
-static int t2_encode_packet(opj_t2_t* t2, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi, unsigned char *dest, int len, opj_image_info_t *image_info, int tileno);
-/**
-@param seg
-@param cblksty
-@param first
-*/
-static void t2_init_seg(opj_tcd_seg_t *seg, int cblksty, int first);
/**
-Decode a packet of a tile from a source buffer
-@param t2 T2 handle
-@param src Source buffer
-@param len Length of the source buffer
-@param tile Tile for which to write the packets
-@param tcp Tile coding parameters
-@param pi Packet identity
-@return
+Tier-2 coding
*/
-int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi);
+typedef struct opj_t2_v2 {
+ /** codec context */
+ opj_common_ptr cinfo;
-/* ----------------------------------------------------------------------- */
-/*@}*/
+ /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
+ opj_image_header_t *image;
+ /** pointer to the image coding parameters */
+ opj_cp_v2_t *cp;
+} opj_t2_v2_t;
/** @name Exported functions */
/*@{*/
@param maxlayers maximum number of layers
@param dest the destination buffer
@param len the length of the destination buffer
-@param image_info structure to create an index file
+@param cstr_info Codestream information structure
+@param tpnum Tile part number of the current tile
+@param tppos The position of the tile part flag in the progression order
+@param pino
+@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
+@param cur_totnum_tp The total number of tile parts in the current tile
*/
-int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info);
+int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_codestream_info_t *cstr_info,int tpnum, int tppos,int pino,J2K_T2_MODE t2_mode,int cur_totnum_tp);
+/**
+Decode the packets of a tile from a source buffer
+@param t2 T2 handle
+@param src the source buffer
+@param len length of the source buffer
+@param tileno number that identifies the tile for which to decode the packets
+@param tile tile for which to decode the packets
+@param cstr_info Codestream information structure
+ */
+int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile, opj_codestream_info_t *cstr_info);
/**
Decode the packets of a tile from a source buffer
@param tileno number that identifies the tile for which to decode the packets
@param tile tile for which to decode the packets
*/
-int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile);
+opj_bool t2_decode_packets_v2(opj_t2_v2_t *t2, OPJ_UINT32 tileno,struct opj_tcd_tile *tile, OPJ_BYTE *src, OPJ_UINT32 * p_data_read, OPJ_UINT32 len, struct opj_codestream_info *cstr_info);
+
+/**
+ * Creates a Tier 2 handle
+ *
+ * @param p_image Source or destination image
+ * @param p_cp Image coding parameters.
+ * @return a new T2 handle if successful, NULL otherwise.
+*/
+opj_t2_v2_t* t2_create_v2(struct opj_image_header *p_image, opj_cp_v2_t *p_cp);
/**
Create a T2 handle
*/
void t2_destroy(opj_t2_t *t2);
+/**
+Destroy a T2 handle
+@param t2 T2 handle to destroy
+*/
+void t2_destroy_v2(opj_t2_v2_t *t2);
+
/* ----------------------------------------------------------------------- */
/*@}*/