/*
- * The copyright in this software is being made available under the 2-clauses
- * BSD License, included below. This software may be subject to other third
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
- * Copyright (c) 2006, M�nica D�ez Garc�a, Image Processing Laboratory, University of Valladolid, Spain
+ * Copyright (c) 2006, Mónica Díez García, Image Processing Laboratory, University of Valladolid, Spain
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#define J3D_CP_CSTY_EPH 0x04
#define J3D_CCP_CSTY_PRT 0x01
/** Table A-8 */
-#define J3D_CCP_CBLKSTY_LAZY 0x01 /* Selective arithmetic coding bypass */
+#define J3D_CCP_CBLKSTY_LAZY 0x01 /* Selective arithmetic coding bypass */
#define J3D_CCP_CBLKSTY_RESET 0x02 /* Reset context probabilities on coding pass boundaries */
#define J3D_CCP_CBLKSTY_TERMALL 0x04 /* Termination on each coding pass */
-#define J3D_CCP_CBLKSTY_VSC 0x08 /* Vertically causal context, add also hook for switching off and on 3D context models */
-#define J3D_CCP_CBLKSTY_PTERM 0x10 /* Predictable termination */
-#define J3D_CCP_CBLKSTY_SEGSYM 0x20 /* Segmentation symbols are used */
+#define J3D_CCP_CBLKSTY_VSC 0x08 /* Vertically causal context, add also hook for switching off and on 3D context models */
+#define J3D_CCP_CBLKSTY_PTERM 0x10 /* Predictable termination */
+#define J3D_CCP_CBLKSTY_SEGSYM 0x20 /* Segmentation symbols are used */
#define J3D_CCP_CBLKSTY_3DCTXT 0x40 /* 3D context models (3D-EBCOT) vs 2D context models */
-#define J3D_CCP_QNTSTY_NOQNT 0 /* Quantization style : no quantization */
-#define J3D_CCP_QNTSTY_SIQNT 1 /* Quantization style : scalar derived (values signalled only in LLL subband) */
-#define J3D_CCP_QNTSTY_SEQNT 2 /* Quantization style : scalar expounded (values signalled for each subband) */
+#define J3D_CCP_QNTSTY_NOQNT 0 /* Quantization style : no quantization */
+#define J3D_CCP_QNTSTY_SIQNT 1 /* Quantization style : scalar derived (values signalled only in LLL subband) */
+#define J3D_CCP_QNTSTY_SEQNT 2 /* Quantization style : scalar expounded (values signalled for each subband) */
/* ----------------------------------------------------------------------- */
-#define J3D_MS_SOC 0xff4f /**< SOC marker value */
-#define J3D_MS_SOT 0xff90 /**< SOT marker value */
-#define J3D_MS_SOD 0xff93 /**< SOD marker value */
-#define J3D_MS_EOC 0xffd9 /**< EOC marker value */
-#define J3D_MS_CAP 0xff50 /**< CAP marker value */
-#define J3D_MS_SIZ 0xff51 /**< SIZ marker value */
-#define J3D_MS_NSI 0xff54 /**< NSI marker value */
-#define J3D_MS_COD 0xff52 /**< COD marker value */
-#define J3D_MS_COC 0xff53 /**< COC marker value */
-#define J3D_MS_RGN 0xff5e /**< RGN marker value */
-#define J3D_MS_QCD 0xff5c /**< QCD marker value */
-#define J3D_MS_QCC 0xff5d /**< QCC marker value */
-#define J3D_MS_POC 0xff5f /**< POC marker value */
-#define J3D_MS_TLM 0xff55 /**< TLM marker value */
-#define J3D_MS_PLM 0xff57 /**< PLM marker value */
-#define J3D_MS_PLT 0xff58 /**< PLT marker value */
-#define J3D_MS_PPM 0xff60 /**< PPM marker value */
-#define J3D_MS_PPT 0xff61 /**< PPT marker value */
-#define J3D_MS_SOP 0xff91 /**< SOP marker value */
-#define J3D_MS_EPH 0xff92 /**< EPH marker value */
-#define J3D_MS_CRG 0xff63 /**< CRG marker value */
-#define J3D_MS_COM 0xff64 /**< COM marker value */
+#define J3D_MS_SOC 0xff4f /**< SOC marker value */
+#define J3D_MS_SOT 0xff90 /**< SOT marker value */
+#define J3D_MS_SOD 0xff93 /**< SOD marker value */
+#define J3D_MS_EOC 0xffd9 /**< EOC marker value */
+#define J3D_MS_CAP 0xff50 /**< CAP marker value */
+#define J3D_MS_SIZ 0xff51 /**< SIZ marker value */
+#define J3D_MS_NSI 0xff54 /**< NSI marker value */
+#define J3D_MS_COD 0xff52 /**< COD marker value */
+#define J3D_MS_COC 0xff53 /**< COC marker value */
+#define J3D_MS_RGN 0xff5e /**< RGN marker value */
+#define J3D_MS_QCD 0xff5c /**< QCD marker value */
+#define J3D_MS_QCC 0xff5d /**< QCC marker value */
+#define J3D_MS_POC 0xff5f /**< POC marker value */
+#define J3D_MS_TLM 0xff55 /**< TLM marker value */
+#define J3D_MS_PLM 0xff57 /**< PLM marker value */
+#define J3D_MS_PLT 0xff58 /**< PLT marker value */
+#define J3D_MS_PPM 0xff60 /**< PPM marker value */
+#define J3D_MS_PPT 0xff61 /**< PPT marker value */
+#define J3D_MS_SOP 0xff91 /**< SOP marker value */
+#define J3D_MS_EPH 0xff92 /**< EPH marker value */
+#define J3D_MS_CRG 0xff63 /**< CRG marker value */
+#define J3D_MS_COM 0xff64 /**< COM marker value */
/*15444-2*/
-#define J3D_MS_DCO 0xff70 /**< DCO marker value */
+#define J3D_MS_DCO 0xff70 /**< DCO marker value */
#define J3D_MS_VMS 0xff71 /**< VMS marker value */
-#define J3D_MS_DFS 0xff72 /**< DFS marker value */
-#define J3D_MS_ADS 0xff73 /**< ADS marker value */
-#define J3D_MS_ATK 0xff79 /**< ATK marker value */
-#define J3D_MS_CBD 0xff78 /**< CBD marker value */
-#define J3D_MS_MCT 0xff74 /**< MCT marker value */
-#define J3D_MS_MCC 0xff75 /**< MCC marker value */
-#define J3D_MS_MCO 0xff77 /**< MCO marker value */
-#define J3D_MS_NLT 0xff76 /**< NLT marker value */
-#define J3D_MS_QPD 0xff5a /**< QPD marker value */
-#define J3D_MS_QPC 0xff5b /**< QPC marker value */
+#define J3D_MS_DFS 0xff72 /**< DFS marker value */
+#define J3D_MS_ADS 0xff73 /**< ADS marker value */
+#define J3D_MS_ATK 0xff79 /**< ATK marker value */
+#define J3D_MS_CBD 0xff78 /**< CBD marker value */
+#define J3D_MS_MCT 0xff74 /**< MCT marker value */
+#define J3D_MS_MCC 0xff75 /**< MCC marker value */
+#define J3D_MS_MCO 0xff77 /**< MCO marker value */
+#define J3D_MS_NLT 0xff76 /**< NLT marker value */
+#define J3D_MS_QPD 0xff5a /**< QPD marker value */
+#define J3D_MS_QPC 0xff5b /**< QPC marker value */
/* ----------------------------------------------------------------------- */
/* Capability RSIZ parameter, extended */
#define J3D_RSIZ_ASHAP 0x8400
#define J3D_RSIZ_PRQNT 0x8800
-#define J3D_CAP_10 0x00400000
+#define J3D_CAP_10 0x00400000
/* Arbitrary transformation kernel, 15444-2 */
#define J3D_ATK_IRR 0
#define J3D_ATK_REV 1
/* ----------------------------------------------------------------------- */
/**
-Values that specify the status of the decoding process when decoding the main header.
-These values may be combined with a | operator.
+Values that specify the status of the decoding process when decoding the main header.
+These values may be combined with a | operator.
*/
typedef enum J3D_STATUS {
- /**< a SOC marker is expected */
- J3D_STATE_MHSOC = 0x0001,
- /**< a SIZ marker is expected */
- J3D_STATE_MHSIZ = 0x0002,
- /**< the decoding process is in the main header */
- J3D_STATE_MH = 0x0004,
- /**< the decoding process is in a tile part header and expects a SOT marker */
- J3D_STATE_TPHSOT = 0x0008,
- /**< the decoding process is in a tile part header */
- J3D_STATE_TPH = 0x0010,
- /**< the EOC marker has just been read */
- J3D_STATE_MT = 0x0020,
- /**< the decoding process must not expect a EOC marker because the codestream is truncated */
- J3D_STATE_NEOC = 0x0040
+ /**< a SOC marker is expected */
+ J3D_STATE_MHSOC = 0x0001,
+ /**< a SIZ marker is expected */
+ J3D_STATE_MHSIZ = 0x0002,
+ /**< the decoding process is in the main header */
+ J3D_STATE_MH = 0x0004,
+ /**< the decoding process is in a tile part header and expects a SOT marker */
+ J3D_STATE_TPHSOT = 0x0008,
+ /**< the decoding process is in a tile part header */
+ J3D_STATE_TPH = 0x0010,
+ /**< the EOC marker has just been read */
+ J3D_STATE_MT = 0x0020,
+ /**< the decoding process must not expect a EOC marker because the codestream is truncated */
+ J3D_STATE_NEOC = 0x0040
} J3D_STATUS;
Arbitrary transformation kernel
*/
typedef struct opj_atk {
-/** index of wavelet kernel */
- int index;
-/** Numerical type of scaling factor and lifting step parameters */
- int coeff_typ;
-/** Wavelet filter category */
- int filt_cat;
-/** Wavelet transformation type (REV/IRR) */
- int wt_typ;
-/** Initial odd/even subsequence */
- int minit;
-/** Boundary extension method (constant CON / whole-sample symmetric WS) */
- int exten;
-/** Scaling factor. Only for wt_typ=IRR */
- double Katk;
-/** Number of lifting steps */
- int Natk;
-/** Offset for lifting step s. Only for filt_cat=ARB */
- int Oatk[256];
-/** Base 2 scaling exponent for lifting step s. Only for wt_typ=REV */
- int Eatk[256];
-/** Additive residue for lifting step s. Only for wt_typ=REV */
- int Batk[256];
-/** Number of lifting coefficients signaled for lifting step s */
- int LCatk[256];
-/** Lifting coefficient k for lifting step s */
- double Aatk[256][256];
+ /** index of wavelet kernel */
+ int index;
+ /** Numerical type of scaling factor and lifting step parameters */
+ int coeff_typ;
+ /** Wavelet filter category */
+ int filt_cat;
+ /** Wavelet transformation type (REV/IRR) */
+ int wt_typ;
+ /** Initial odd/even subsequence */
+ int minit;
+ /** Boundary extension method (constant CON / whole-sample symmetric WS) */
+ int exten;
+ /** Scaling factor. Only for wt_typ=IRR */
+ double Katk;
+ /** Number of lifting steps */
+ int Natk;
+ /** Offset for lifting step s. Only for filt_cat=ARB */
+ int Oatk[256];
+ /** Base 2 scaling exponent for lifting step s. Only for wt_typ=REV */
+ int Eatk[256];
+ /** Additive residue for lifting step s. Only for wt_typ=REV */
+ int Batk[256];
+ /** Number of lifting coefficients signaled for lifting step s */
+ int LCatk[256];
+ /** Lifting coefficient k for lifting step s */
+ double Aatk[256][256];
} opj_atk_t;
Quantization stepsize
*/
typedef struct opj_stepsize {
-/** exponent */
- int expn;
-/** mantissa */
- int mant;
+ /** exponent */
+ int expn;
+ /** mantissa */
+ int mant;
} opj_stepsize_t;
/**
Tile-component coding parameters
*/
typedef struct opj_tccp {
- /** coding style */
- int csty;
- /** number of resolutions of x, y and z-axis */
- int numresolution[3];
- /** code-blocks width height & depth*/
- int cblk[3];
- /** code-block coding style */
- int cblksty;
- /** 0: no ATK (only 9-7 or 5-3) 1: ATK defined WT*/
- int atk_wt[3];
- /** Arbitrary transformation kernel (15444-2)*/
- opj_atk_t *atk;
- /** DWT identifier for x, y and z-axis (0:WT9-7 1:WT5-3 >1:WT-atk->index) */
- int dwtid[3];
- /** reversible/irreversible wavelet transfomation (0:irrev 1:reversible)*/
- int reversible;
- /** quantisation style */
- int qntsty;
- /** stepsizes used for quantization */
- opj_stepsize_t stepsizes[J3D_MAXBANDS];
- /** number of guard bits. Table A28 de 15444-1*/
- int numgbits;
- /** Region Of Interest shift */
- int roishift;
- /** precinct width heigth & depth*/
- int prctsiz[3][J3D_MAXRLVLS];
+ /** coding style */
+ int csty;
+ /** number of resolutions of x, y and z-axis */
+ int numresolution[3];
+ /** code-blocks width height & depth*/
+ int cblk[3];
+ /** code-block coding style */
+ int cblksty;
+ /** 0: no ATK (only 9-7 or 5-3) 1: ATK defined WT*/
+ int atk_wt[3];
+ /** Arbitrary transformation kernel (15444-2)*/
+ opj_atk_t *atk;
+ /** DWT identifier for x, y and z-axis (0:WT9-7 1:WT5-3 >1:WT-atk->index) */
+ int dwtid[3];
+ /** reversible/irreversible wavelet transfomation (0:irrev 1:reversible)*/
+ int reversible;
+ /** quantisation style */
+ int qntsty;
+ /** stepsizes used for quantization */
+ opj_stepsize_t stepsizes[J3D_MAXBANDS];
+ /** number of guard bits. Table A28 de 15444-1*/
+ int numgbits;
+ /** Region Of Interest shift */
+ int roishift;
+ /** precinct width height & depth*/
+ int prctsiz[3][J3D_MAXRLVLS];
} opj_tccp_t;
/**
-Tile coding parameters : coding/decoding parameters common to all tiles
+Tile coding parameters : 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[J3D_MAXRLVLS - 1];
- /** add fixed_quality */
- float distoratio[100];
- /** tile-component coding parameters */
- opj_tccp_t *tccps;
-/** 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;
- int ppt_len;
+ /** 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[J3D_MAXRLVLS - 1];
+ /** add fixed_quality */
+ float distoratio[100];
+ /** tile-component coding parameters */
+ opj_tccp_t *tccps;
+ /** 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;
+ int ppt_len;
} opj_tcp_t;
/**
Coding parameters
*/
typedef struct opj_cp {
-/** transform format 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */
- OPJ_TRANSFORM transform_format;
- /** entropy coding format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI*/
- OPJ_ENTROPY_CODING encoding_format;
- /** allocation by rate/distortion */
- int disto_alloc;
- /** allocation by fixed layer */
- int fixed_alloc;
- /** add fixed_quality */
- int fixed_quality;
- /** Rsiz: capabilities */
- int rsiz;
- /** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, volume is decoded to the full resolution */
- int reduce[3];
- /** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
- int layer;
- /** 0 = no index || 1 = index */
- int index_on;
- /** Big-Endian/Little-endian order */
- int bigendian;
- /** XTOsiz */
- int tx0;
- /** YTOsiz */
- int ty0;
- /** ZTOsiz */
- int tz0;
- /** XTsiz */
- int tdx;
- /** YTsiz */
- int tdy;
- /** ZTsiz */
- int tdz;
- /** comment for coding */
- char *comment;
- /** number of tiles in width, heigth and depth */
- int tw;
- int th;
- int tl;
- /** ID number of the tiles present in the codestream */
- int *tileno;
- /** size of the vector tileno */
- int tileno_size;
- /** tile coding parameters */
- opj_tcp_t *tcps;
- /** fixed layer */
- int *matrice;
+ /** transform format 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */
+ OPJ_TRANSFORM transform_format;
+ /** entropy coding format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI*/
+ OPJ_ENTROPY_CODING encoding_format;
+ /** allocation by rate/distortion */
+ int disto_alloc;
+ /** allocation by fixed layer */
+ int fixed_alloc;
+ /** add fixed_quality */
+ int fixed_quality;
+ /** Rsiz: capabilities */
+ int rsiz;
+ /** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, volume is decoded to the full resolution */
+ int reduce[3];
+ /** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
+ int layer;
+ /** 0 = no index || 1 = index */
+ int index_on;
+ /** Big-Endian/Little-endian order */
+ int bigendian;
+ /** XTOsiz */
+ int tx0;
+ /** YTOsiz */
+ int ty0;
+ /** ZTOsiz */
+ int tz0;
+ /** XTsiz */
+ int tdx;
+ /** YTsiz */
+ int tdy;
+ /** ZTsiz */
+ int tdz;
+ /** comment for coding */
+ char *comment;
+ /** number of tiles in width, height and depth */
+ int tw;
+ int th;
+ int tl;
+ /** ID number of the tiles present in the codestream */
+ int *tileno;
+ /** size of the vector tileno */
+ int tileno_size;
+ /** tile coding parameters */
+ opj_tcp_t *tcps;
+ /** fixed layer */
+ int *matrice;
- /** 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;
- int ppm_len;
+ /** 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;
+ int ppm_len;
} opj_cp_t;
/**
Information concerning a packet inside tile
*/
typedef struct opj_packet_info {
- /** start position */
- int start_pos;
- /** end position */
- int end_pos;
- /** distorsion introduced */
- double disto;
+ /** start position */
+ int start_pos;
+ /** end position */
+ int end_pos;
+ /** distorsion introduced */
+ double disto;
} opj_packet_info_t;
/**
Index structure : information regarding tiles inside volume
*/
typedef struct opj_tile_info {
- /** value of thresh for each layer by tile cfr. Marcela */
- double *thresh;
- /** number of tile */
- int num_tile;
- /** start position */
- int start_pos;
- /** end position of the header */
- int end_header;
- /** end position */
- int end_pos;
- /** precinct number for each resolution level (width, heigth and depth) */
- int prctno[3][J3D_MAXRLVLS];
- /** precinct size (in power of 2), in X for each resolution level */
- int prctsiz[3][J3D_MAXRLVLS];
- /** information concerning packets inside tile */
- opj_packet_info_t *packet;
-
- /** add fixed_quality */
- int nbpix;
- /** add fixed_quality */
- double distotile;
+ /** value of thresh for each layer by tile cfr. Marcela */
+ double *thresh;
+ /** number of tile */
+ int num_tile;
+ /** start position */
+ int start_pos;
+ /** end position of the header */
+ int end_header;
+ /** end position */
+ int end_pos;
+ /** precinct number for each resolution level (width, height and depth) */
+ int prctno[3][J3D_MAXRLVLS];
+ /** precinct size (in power of 2), in X for each resolution level */
+ int prctsiz[3][J3D_MAXRLVLS];
+ /** information concerning packets inside tile */
+ opj_packet_info_t *packet;
+
+ /** add fixed_quality */
+ int nbpix;
+ /** add fixed_quality */
+ double distotile;
} opj_tile_info_t;
/**
Index structure
*/
typedef struct opj_volume_info {
-
- /** transform format 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */
- OPJ_TRANSFORM transform_format;
- /** output file format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI*/
- OPJ_ENTROPY_CODING encoding_format; /** 0 = no index || 1 = index */
- int index_on;
- /** 0 = wt 9-7 || 1 = wt 5-3 || >=2 wt atk defined */
- int dwtid[3];
- /** maximum distortion reduction on the whole volume (add for Marcela) */
- double D_max;
- /** packet number */
- int num;
- /** writing the packet in the index with t2_encode_packets */
- int index_write;
- /** volume width, height and depth */
- int volume_w;
- int volume_h;
- int volume_l;
- /** progression order */
- OPJ_PROG_ORDER prog;
- /** tile size in x, y and z */
- int tile_x;
- int tile_y;
- int tile_z;
- /** tile origin in x, y and z */
- int tile_Ox;
- int tile_Oy;
- int tile_Oz;
- /** number of tiles in X, Y and Z */
- int tw;
- int th;
- int tl;
- /** component numbers */
- int comp;
- /** number of layer */
- int layer;
- /** number of decomposition in X, Y and Z*/
- int decomposition[3];
- /** DC offset (15444-2) */
- int dcoffset;
- /** main header position */
- int main_head_end;
- /** codestream's size */
- int codestream_size;
- /** information regarding tiles inside volume */
- opj_tile_info_t *tile;
+
+ /** transform format 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */
+ OPJ_TRANSFORM transform_format;
+ /** output file format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI*/
+ OPJ_ENTROPY_CODING encoding_format; /** 0 = no index || 1 = index */
+ int index_on;
+ /** 0 = wt 9-7 || 1 = wt 5-3 || >=2 wt atk defined */
+ int dwtid[3];
+ /** maximum distortion reduction on the whole volume (add for Marcela) */
+ double D_max;
+ /** packet number */
+ int num;
+ /** writing the packet in the index with t2_encode_packets */
+ int index_write;
+ /** volume width, height and depth */
+ int volume_w;
+ int volume_h;
+ int volume_l;
+ /** progression order */
+ OPJ_PROG_ORDER prog;
+ /** tile size in x, y and z */
+ int tile_x;
+ int tile_y;
+ int tile_z;
+ /** tile origin in x, y and z */
+ int tile_Ox;
+ int tile_Oy;
+ int tile_Oz;
+ /** number of tiles in X, Y and Z */
+ int tw;
+ int th;
+ int tl;
+ /** component numbers */
+ int comp;
+ /** number of layer */
+ int layer;
+ /** number of decomposition in X, Y and Z*/
+ int decomposition[3];
+ /** DC offset (15444-2) */
+ int dcoffset;
+ /** main header position */
+ int main_head_end;
+ /** codestream's size */
+ int codestream_size;
+ /** information regarding tiles inside volume */
+ opj_tile_info_t *tile;
} opj_volume_info_t;
/**
JPEG-2000 codestream reader/writer
*/
typedef struct opj_j3d {
- /** 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;
- /** locate the position of the end of the tile in the codestream, used to detect a truncated codestream (in j3d_read_sod) */
- unsigned char *eot;
- /** locate the start position of the SOT marker of the current coded tile: */
- int sot_start;
- /* after encoding the tile, a jump (in j3d_write_sod) is done to the SOT marker to store the value of its length. */
- int sod_start;
- /** as the J3D-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;
+ /** 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 currently concern by coding/decoding */
+ int curtileno;
+ /** locate the position of the end of the tile in the codestream, used to detect a truncated codestream (in j3d_read_sod) */
+ unsigned char *eot;
+ /** locate the start position of the SOT marker of the current coded tile: */
+ int sot_start;
+ /* after encoding the tile, a jump (in j3d_write_sod) is done to the SOT marker to store the value of its length. */
+ int sod_start;
+ /** as the J3D-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 */
- opj_tcp_t *default_tcp;
- /** pointer to the encoded / decoded volume */
- opj_volume_t *volume;
- /** pointer to the coding parameters */
- opj_cp_t *cp;
- /** helper used to write the index file */
- opj_volume_info_t *volume_info;
- /** pointer to the byte i/o stream */
- opj_cio_t *cio;
+ /** decompression only : store decoding parameters common to all tiles */
+ opj_tcp_t *default_tcp;
+ /** pointer to the encoded / decoded volume */
+ opj_volume_t *volume;
+ /** pointer to the coding parameters */
+ opj_cp_t *cp;
+ /** helper used to write the index file */
+ opj_volume_info_t *volume_info;
+ /** pointer to the byte i/o stream */
+ opj_cio_t *cio;
} opj_j3d_t;
/** @name Funciones generales */
void j3d_destroy_decompress(opj_j3d_t *j3d);
/**
Setup the decoder decoding parameters using user parameters.
-Decoding parameters are returned in j3d->cp.
+Decoding parameters are returned in j3d->cp.
@param j3d J3D decompressor handle
@param parameters decompression parameters
*/
*/
void j3d_destroy_compress(opj_j3d_t *j3d);
/**
-Setup the encoder parameters using the current volume and using user parameters.
-Coding parameters are returned in j3d->cp.
+Setup the encoder parameters using the current volume and using user parameters.
+Coding parameters are returned in j3d->cp.
@param j3d J3D compressor handle
@param parameters compression parameters
@param volume input filled volume
*/
-void j3d_setup_encoder(opj_j3d_t *j3d, opj_cparameters_t *parameters, opj_volume_t *volume);
+void j3d_setup_encoder(opj_j3d_t *j3d, opj_cparameters_t *parameters,
+ opj_volume_t *volume);
/**
Encode an volume into a JPEG-2000 codestream
@param j3d J3D compressor handle
@param index Name of the index file if required, NULL otherwise
@return Returns true if successful, returns false otherwise
*/
-bool j3d_encode(opj_j3d_t *j3d, opj_cio_t *cio, opj_volume_t *volume, char *index);
+bool j3d_encode(opj_j3d_t *j3d, opj_cio_t *cio, opj_volume_t *volume,
+ char *index);
/* ----------------------------------------------------------------------- */
/*@}*/
projects / openjpeg.git / blobdiff