+++ /dev/null
-/*
- * 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) 2003-2007, 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>
- * Copyright (c) 2011, Mickael Savinaud, Communications & Systemes <mickael.savinaud@c-s.fr>
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-#ifndef __J2K_H
-#define __J2K_H
-/**
-@file j2k.h
-@brief The JPEG-2000 Codestream Reader/Writer (J2K)
-
-The functions in J2K.C have for goal to read/write the several parts of the codestream: markers and data.
-*/
-
-/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
-/*@{*/
-
-#define J2K_CP_CSTY_PRT 0x01
-#define J2K_CP_CSTY_SOP 0x02
-#define J2K_CP_CSTY_EPH 0x04
-#define J2K_CCP_CSTY_PRT 0x01
-#define J2K_CCP_CBLKSTY_LAZY 0x01 /**< Selective arithmetic coding bypass */
-#define J2K_CCP_CBLKSTY_RESET 0x02 /**< Reset context probabilities on coding pass boundaries */
-#define J2K_CCP_CBLKSTY_TERMALL 0x04 /**< Termination on each coding pass */
-#define J2K_CCP_CBLKSTY_VSC 0x08 /**< Vertically stripe causal context */
-#define J2K_CCP_CBLKSTY_PTERM 0x10 /**< Predictable termination */
-#define J2K_CCP_CBLKSTY_SEGSYM 0x20 /**< Segmentation symbols are used */
-#define J2K_CCP_QNTSTY_NOQNT 0
-#define J2K_CCP_QNTSTY_SIQNT 1
-#define J2K_CCP_QNTSTY_SEQNT 2
-
-/* ----------------------------------------------------------------------- */
-
-#define J2K_MS_SOC 0xff4f /**< SOC marker value */
-#define J2K_MS_SOT 0xff90 /**< SOT marker value */
-#define J2K_MS_SOD 0xff93 /**< SOD marker value */
-#define J2K_MS_EOC 0xffd9 /**< EOC marker value */
-#define J2K_MS_SIZ 0xff51 /**< SIZ marker value */
-#define J2K_MS_COD 0xff52 /**< COD marker value */
-#define J2K_MS_COC 0xff53 /**< COC marker value */
-#define J2K_MS_RGN 0xff5e /**< RGN marker value */
-#define J2K_MS_QCD 0xff5c /**< QCD marker value */
-#define J2K_MS_QCC 0xff5d /**< QCC marker value */
-#define J2K_MS_POC 0xff5f /**< POC marker value */
-#define J2K_MS_TLM 0xff55 /**< TLM marker value */
-#define J2K_MS_PLM 0xff57 /**< PLM marker value */
-#define J2K_MS_PLT 0xff58 /**< PLT marker value */
-#define J2K_MS_PPM 0xff60 /**< PPM marker value */
-#define J2K_MS_PPT 0xff61 /**< PPT marker value */
-#define J2K_MS_SOP 0xff91 /**< SOP marker value */
-#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 */
-
-#define J2K_MS_UNK 0 /**< UNKNOWN marker value */
-
-/* UniPG>> */
-#ifdef USE_JPWL
-#define J2K_MS_EPC 0xff68 /**< EPC marker value (Part 11: JPEG 2000 for Wireless) */
-#define J2K_MS_EPB 0xff66 /**< EPB marker value (Part 11: JPEG 2000 for Wireless) */
-#define J2K_MS_ESD 0xff67 /**< ESD marker value (Part 11: JPEG 2000 for Wireless) */
-#define J2K_MS_RED 0xff69 /**< RED marker value (Part 11: JPEG 2000 for Wireless) */
-#endif /* USE_JPWL */
-#ifdef USE_JPSEC
-#define J2K_MS_SEC 0xff65 /**< SEC marker value (Part 8: Secure JPEG 2000) */
-#define J2K_MS_INSEC 0xff94 /**< INSEC marker value (Part 8: Secure JPEG 2000) */
-#endif /* USE_JPSEC */
-/* <<UniPG */
-
-/* ----------------------------------------------------------------------- */
-
-/**
- * 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_NONE = 0x0000, /**< a SOC marker is expected */
- 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_EOC = 0x0100, /**< the decoding process has encountered the EOC marker */
- J2K_STATE_ERR = 0x8000 /**< the decoding process has encountered an error (FIXME warning V1 = 0x0080)*/
-} J2K_STATUS;
-
-/**
- * Type of elements storing in 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 MCT array
- */
-typedef enum MCT_ARRAY_TYPE
-{
- MCT_TYPE_DEPENDENCY = 0,
- MCT_TYPE_DECORRELATION = 1,
- MCT_TYPE_OFFSET = 2
-} J2K_MCT_ARRAY_TYPE;
-
-/* ----------------------------------------------------------------------- */
-
-/**
-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;
-
-/**
- * Quantization stepsize
- */
-typedef struct opj_stepsize {
- /** exponent */
- int expn;
- /** mantissa */
- int mant;
-} opj_stepsize_t;
-
-/**
-Tile-component coding parameters
-*/
-typedef struct opj_tccp
-{
- /** coding style */
- OPJ_UINT32 csty;
- /** number of resolutions */
- OPJ_UINT32 numresolutions;
- /** code-blocks width */
- OPJ_UINT32 cblkw;
- /** code-blocks height */
- OPJ_UINT32 cblkh;
- /** code-block coding style */
- OPJ_UINT32 cblksty;
- /** discrete wavelet transform identifier */
- OPJ_UINT32 qmfbid;
- /** quantisation style */
- OPJ_UINT32 qntsty;
- /** stepsizes used for quantization */
- opj_stepsize_t stepsizes[J2K_MAXBANDS];
- /** number of guard bits */
- OPJ_UINT32 numgbits;
- /** Region Of Interest shift */
- OPJ_INT32 roishift;
- /** precinct width */
- OPJ_UINT32 prcw[J2K_MAXRLVLS];
- /** precinct height */
- OPJ_UINT32 prch[J2K_MAXRLVLS];
- /** the dc_level_shift **/
- OPJ_INT32 m_dc_level_shift;
-}
-opj_tccp_t;
-
-
-/** V1 STYLE
-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;
- /** coding style */
- int csty;
- /** progression order */
- OPJ_PROG_ORDER prg;
- /** number of layers */
- int numlayers;
- /** multi-component transform identifier */
- int mct;
- /** rates of layers */
- float rates[100];
- /** number of progression order changes */
- int numpocs;
- /** indicates if a POC marker has been used O:NO, 1:YES */
- int POC;
- /** 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;
- /** add fixed_quality */
- float distoratio[100];
- /** tile-component coding parameters */
- opj_tccp_t *tccps;
-} opj_tcp_t;
-
-/**
- * FIXME DOC
- */
-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;
-
-/**
- * FIXME DOC
- */
-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 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_v2
-{
- /** coding style */
- OPJ_UINT32 csty;
- /** progression order */
- OPJ_PROG_ORDER prg;
- /** number of layers */
- OPJ_UINT32 numlayers;
- OPJ_UINT32 num_layers_to_decode;
- /** multi-component transform identifier */
- OPJ_UINT32 mct;
- /** rates of layers */
- OPJ_FLOAT32 rates[100];
- /** number of progression order changes */
- OPJ_UINT32 numpocs;
- /** progression order changes */
- opj_poc_t pocs[32];
- /** packet header store there for futur use in t2_decode_packet */
- 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 */
- 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_v2_t;
-
-
-
-
-
-/** V1 STYLE
-Coding parameters
-*/
-typedef struct opj_cp {
- /** Digital cinema profile*/
- OPJ_CINEMA_MODE 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;
- /** Position of tile part flag in progression order*/
- int tp_pos;
- /** allocation by rate/distortion */
- int disto_alloc;
- /** allocation by fixed layer */
- int fixed_alloc;
- /** add fixed_quality */
- int fixed_quality;
- /** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
- int 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;
- /** XTOsiz */
- int tx0;
- /** YTOsiz */
- int ty0;
- /** XTsiz */
- int tdx;
- /** YTsiz */
- int tdy;
- /** comment for coding */
- char *comment;
- /** number of tiles in width */
- int 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;
- /** 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;
- /** tile coding parameters */
- opj_tcp_t *tcps;
- /** fixed layer */
- int *matrice;
-/* UniPG>> */
-#ifdef USE_JPWL
- /** enables writing of EPC in MH, thus activating JPWL */
- opj_bool epc_on;
- /** enables writing of EPB, in case of activated JPWL */
- opj_bool epb_on;
- /** enables writing of ESD, in case of activated JPWL */
- opj_bool esd_on;
- /** enables writing of informative techniques of ESD, in case of activated JPWL */
- opj_bool info_on;
- /** enables writing of RED, in case of activated JPWL */
- opj_bool red_on;
- /** error protection method for MH (0,1,16,32,37-128) */
- int hprot_MH;
- /** tile number of header protection specification (>=0) */
- int hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
- /** error protection methods for TPHs (0,1,16,32,37-128) */
- int hprot_TPH[JPWL_MAX_NO_TILESPECS];
- /** tile number of packet protection specification (>=0) */
- int pprot_tileno[JPWL_MAX_NO_PACKSPECS];
- /** packet number of packet protection specification (>=0) */
- int pprot_packno[JPWL_MAX_NO_PACKSPECS];
- /** error protection methods for packets (0,1,16,32,37-128) */
- int pprot[JPWL_MAX_NO_PACKSPECS];
- /** enables writing of ESD, (0/2/4 bytes) */
- int sens_size;
- /** sensitivity addressing size (0=auto/2/4 bytes) */
- int sens_addr;
- /** sensitivity range (0-3) */
- int sens_range;
- /** sensitivity method for MH (-1,0-7) */
- int sens_MH;
- /** tile number of sensitivity specification (>=0) */
- int sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
- /** sensitivity methods for TPHs (-1,0-7) */
- int sens_TPH[JPWL_MAX_NO_TILESPECS];
- /** enables JPWL correction at the decoder */
- opj_bool correct;
- /** expected number of components at the decoder */
- int exp_comps;
- /** maximum number of tiles at the decoder */
- int max_tiles;
-#endif /* USE_JPWL */
-/* <<UniPG */
-} opj_cp_t;
-
-typedef struct opj_encoding_param
-{
- /** Digital cinema profile*/
- OPJ_CINEMA_MODE m_cinema;
- /** Maximum rate for each component. If == 0, component size limitation is not considered */
- OPJ_UINT32 m_max_comp_size;
- /** Position of tile part flag in progression order*/
- 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 */
- OPJ_UINT32 m_disto_alloc : 1;
- /** allocation by fixed layer */
- OPJ_UINT32 m_fixed_alloc : 1;
- /** add 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 */
- 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 */
- OPJ_UINT32 m_layer;
-}
-opj_decoding_param_t;
-
-
-/**
- * Coding parameters
- */
-typedef struct opj_cp_v2
-{
- /** Size of the image in bits*/
- /*int img_size;*/
- /** Rsiz*/
- OPJ_RSIZ_CAPABILITIES rsiz;
- /** XTOsiz */
- OPJ_UINT32 tx0; /* MSD see norm */
- /** YTOsiz */
- OPJ_UINT32 ty0; /* MSD see norm */
- /** XTsiz */
- OPJ_UINT32 tdx;
- /** YTsiz */
- OPJ_UINT32 tdy;
- /** comment */
- OPJ_CHAR *comment;
- /** number of tiles in width */
- OPJ_UINT32 tw;
- /** number of tiles in heigth */
- OPJ_UINT32 th;
-
- /** packet header store there for futur use in t2_decode_packet */
- OPJ_BYTE *ppm_data;
- /** size of the ppm_data*/
- OPJ_UINT32 ppm_len;
- /** size of the ppm_data*/
- OPJ_UINT32 ppm_data_read;
-
- OPJ_BYTE *ppm_data_current;
-
- /** packet header storage original buffer */
- OPJ_BYTE *ppm_buffer;
- /** pointer remaining on the first byte of the first header if ppm is used */
- OPJ_BYTE *ppm_data_first;
- /** Number of bytes actually stored inside the ppm_data */
- OPJ_UINT32 ppm_data_size;
- /** use in case of multiple marker PPM (number of info already store) */
- OPJ_INT32 ppm_store;
- /** use in case of multiple marker PPM (case on non-finished previous info) */
- OPJ_INT32 ppm_previous;
-
- /** tile coding parameters */
- opj_tcp_v2_t *tcps;
-
- 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 */
- opj_bool epc_on;
- /** enables writing of EPB, in case of activated JPWL */
- opj_bool epb_on;
- /** enables writing of ESD, in case of activated JPWL */
- opj_bool esd_on;
- /** enables writing of informative techniques of ESD, in case of activated JPWL */
- opj_bool info_on;
- /** enables writing of RED, in case of activated JPWL */
- opj_bool red_on;
- /** error protection method for MH (0,1,16,32,37-128) */
- int hprot_MH;
- /** tile number of header protection specification (>=0) */
- int hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
- /** error protection methods for TPHs (0,1,16,32,37-128) */
- int hprot_TPH[JPWL_MAX_NO_TILESPECS];
- /** tile number of packet protection specification (>=0) */
- int pprot_tileno[JPWL_MAX_NO_PACKSPECS];
- /** packet number of packet protection specification (>=0) */
- int pprot_packno[JPWL_MAX_NO_PACKSPECS];
- /** error protection methods for packets (0,1,16,32,37-128) */
- int pprot[JPWL_MAX_NO_PACKSPECS];
- /** enables writing of ESD, (0/2/4 bytes) */
- int sens_size;
- /** sensitivity addressing size (0=auto/2/4 bytes) */
- int sens_addr;
- /** sensitivity range (0-3) */
- int sens_range;
- /** sensitivity method for MH (-1,0-7) */
- int sens_MH;
- /** tile number of sensitivity specification (>=0) */
- int sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
- /** sensitivity methods for TPHs (-1,0-7) */
- int sens_TPH[JPWL_MAX_NO_TILESPECS];
- /** enables JPWL correction at the decoder */
- opj_bool correct;
- /** expected number of components at the decoder */
- int exp_comps;
- /** maximum number of tiles at the decoder */
- OPJ_UINT32 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_v2_t;
-
-
-typedef struct opj_j2k_dec
-{
- /** locate in which part of the codestream the decoder is (main header, tile header, end) */
- OPJ_UINT32 m_state;
- /**
- * store decoding parameters common to all tiles (information like COD, COC in main header)
- */
- opj_tcp_v2_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;
- /**
- * Decoded area set by the user
- */
- OPJ_UINT32 m_DA_x0;
- OPJ_UINT32 m_DA_y0;
- OPJ_UINT32 m_DA_x1;
- OPJ_UINT32 m_DA_y1;
-
- /** Index of the tile to decode (used in get_tile) */
- OPJ_INT32 m_tile_ind_to_dec;
- /** Position of the last SOT marker read */
- OPJ_OFF_T m_last_sot_read_pos;
-
- /**
- * Indicate that the current tile-part is assume as the last tile part of the codestream.
- * It is useful in the case of PSot is equal to zero. The sot length will be compute in the
- * SOD reader function. FIXME NOT USED for the moment
- */
- opj_bool m_last_tile_part;
- /** 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.
- */
- OPJ_OFF_T m_tlm_start;
- /**
- * Stores the sizes of the tlm.
- */
- OPJ_BYTE * m_tlm_sot_offsets_buffer;
- /**
- * 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 {
- /** codec context */
- opj_common_ptr cinfo;
-
- /** 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;
- /**
- 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;
- /**
- 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;
- /**
- 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;
- /** pointer to the encoded / decoded image */
- opj_image_t *image;
- /** pointer to the coding parameters */
- opj_cp_t *cp;
- /** 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;
-
-struct opj_tcd_v2;
-/**
-JPEG-2000 codestream reader/writer
-*/
-typedef struct opj_j2k_v2
-{
- /* J2K codestream is decoded*/
- opj_bool m_is_decoder;
-
- /* FIXME DOC*/
- union
- {
- opj_j2k_dec_t m_decoder;
- opj_j2k_enc_t m_encoder;
- }
- m_specific_param;
-
- /** pointer to the internal/private encoded / decoded image */
- opj_image_t* m_private_image;
-
- /* pointer to the output image (decoded)*/
- opj_image_t* m_output_image;
-
- /** Coding parameters */
- opj_cp_v2_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_index_t *cstr_index;
-
- /** number of the tile curently concern by coding/decoding */
- OPJ_UINT32 m_current_tile_number;
-
- /** the current tile coder/decoder **/
- struct opj_tcd_v2 * m_tcd;
-
-}
-opj_j2k_v2_t;
-
-
-
-
-/** @name Exported functions */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-
-/**
-Setup the decoder decoding parameters using user parameters.
-Decoding parameters are returned in j2k->cp.
-@param j2k J2K decompressor handle
-@param parameters decompression parameters
-*/
-void opj_j2k_setup_decoder(opj_j2k_v2_t *j2k, opj_dparameters_t *parameters);
-
-/**
- * Creates a J2K compression structure
- *
- * @return Returns a handle to a J2K compressor if successful, returns NULL otherwise
-*/
-opj_j2k_v2_t* opj_j2k_create_compress(void);
-
-
-void opj_j2k_setup_encoder( opj_j2k_v2_t *p_j2k,
- opj_cparameters_t *parameters,
- opj_image_t *image,
- opj_event_mgr_t * p_manager);
-
-/**
-Converts an enum type progression order to string type
-*/
-char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order);
-
-/* ----------------------------------------------------------------------- */
-/*@}*/
-
-/*@}*/
-
-/**
- * Ends the decompression procedures and possibiliy add data to be read after the
- * codestream.
- */
-opj_bool opj_j2k_end_decompress(opj_j2k_v2_t *j2k,
- opj_stream_private_t *p_stream,
- opj_event_mgr_t * p_manager);
-
-/**
- * Reads a jpeg2000 codestream header structure.
- *
- * @param p_stream the stream to read data from.
- * @param p_j2k the jpeg2000 codec.
- * @param p_image FIXME DOC
- * @param p_manager the user event manager.
- *
- * @return true if the box is valid.
- */
-opj_bool opj_j2k_read_header( opj_stream_private_t *p_stream,
- opj_j2k_v2_t* p_j2k,
- opj_image_t** p_image,
- opj_event_mgr_t* p_manager );
-
-
-/**
- * Destroys a jpeg2000 codec.
- *
- * @param p_j2k the jpeg20000 structure to destroy.
- */
-void opj_j2k_destroy (opj_j2k_v2_t *p_j2k);
-
-/**
- * Destroys a codestream index structure.
- *
- * @param p_cstr_ind the codestream index parameter to destroy.
- */
-void j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind);
-
-/**
- * Decode tile data.
- * @param p_j2k the jpeg2000 codec.
- * @param p_tile_index
- * @param p_data FIXME DOC
- * @param p_data_size FIXME DOC
- * @param p_stream the stream to write data to.
- * @param p_manager the user event manager.
- */
-opj_bool opj_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 );
-
-/**
- * Reads a tile header.
- * @param p_j2k the jpeg2000 codec.
- * @param p_tile_index FIXME DOC
- * @param p_data_size FIXME DOC
- * @param p_tile_x0 FIXME DOC
- * @param p_tile_y0 FIXME DOC
- * @param p_tile_x1 FIXME DOC
- * @param p_tile_y1 FIXME DOC
- * @param p_nb_comps FIXME DOC
- * @param p_go_on FIXME DOC
- * @param p_stream the stream to write data to.
- * @param p_manager the user event manager.
- */
-opj_bool opj_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 );
-
-
-/**
- * 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_image FIXME DOC
- * @param p_start_x the left 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_x the right 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 opj_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,
- opj_event_mgr_t * p_manager );
-
-/**
- * Creates a J2K decompression structure.
- *
- * @return a handle to a J2K decompressor if successful, NULL otherwise.
- */
-opj_j2k_v2_t* opj_j2k_create_decompress(void);
-
-
-/**
- * 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);
-
-
-
-/**
- * Dump an image header structure.
- *
- *@param image 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* image, opj_bool dev_dump_flag, FILE* out_stream);
-
-/**
- * Dump a component image header structure.
- *
- *@param comp 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_dump_image_comp_header(opj_image_comp_t* comp, opj_bool dev_dump_flag, FILE* out_stream);
-
-/**
- * Get the codestream info from a JPEG2000 codec.
- *
- *@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);
-
-/**
- * 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);
-
-/**
- * Decode an image from a JPEG-2000 codestream
- * @param j2k J2K decompressor handle
- * @param p_stream FIXME DOC
- * @param p_image FIXME DOC
- * @param p_manager FIXME DOC
- * @return FIXME DOC
-*/
-opj_bool opj_j2k_decode(opj_j2k_v2_t *j2k,
- opj_stream_private_t *p_stream,
- opj_image_t *p_image,
- opj_event_mgr_t *p_manager);
-
-
-opj_bool opj_j2k_get_tile( opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *p_stream,
- opj_image_t* p_image,
- opj_event_mgr_t * p_manager,
- OPJ_UINT32 tile_index );
-
-opj_bool opj_j2k_set_decoded_resolution_factor(opj_j2k_v2_t *p_j2k,
- OPJ_UINT32 res_factor,
- opj_event_mgr_t * p_manager);
-
-
-/**
- * Writes a tile.
- * @param p_j2k the jpeg2000 codec.
- * @param p_tile_index FIXME DOC
- * @param p_data FIXME DOC
- * @param p_data_size FIXME DOC
- * @param p_stream the stream to write data to.
- * @param p_manager the user event manager.
- */
-opj_bool opj_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 );
-
-/**
- * Encodes an image into a JPEG-2000 codestream
- */
-opj_bool opj_j2k_encode_v2( opj_j2k_v2_t * p_j2k,
- opj_stream_private_t *cio,
- opj_event_mgr_t * p_manager );
-
-/**
- * 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_image FIXME DOC
- * @param p_manager the user event manager.
- *
- * @return true if the codec is valid.
- */
-opj_bool opj_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);
-
-/**
- * Ends the compression procedures and possibiliy add data to be read after the
- * codestream.
- */
-opj_bool opj_j2k_end_compress( opj_j2k_v2_t *p_j2k,
- opj_stream_private_t *cio,
- opj_event_mgr_t * p_manager);
-
-opj_bool opj_j2k_setup_mct_encoding (opj_tcp_v2_t * p_tcp, opj_image_t * p_image);
-
-
-#endif /* __J2K_H */
projects / openjpeg.git / blobdiff