/*
+ * 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
+ * Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#define J2K_CP_CSTY_SOP 0x02
#define J2K_CP_CSTY_EPH 0x04
#define J2K_CCP_CSTY_PRT 0x01
-#define J2K_CCP_CBLKSTY_LAZY 0x01
-#define J2K_CCP_CBLKSTY_RESET 0x02
-#define J2K_CCP_CBLKSTY_TERMALL 0x04
-#define J2K_CCP_CBLKSTY_VSC 0x08
-#define J2K_CCP_CBLKSTY_PTERM 0x10
-#define J2K_CCP_CBLKSTY_SEGSYM 0x20
+#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_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 */
+
+
+struct opj_stream_private;
/* ----------------------------------------------------------------------- */
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_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;
+ /** exponent */
+ int expn;
+ /** mantissa */
+ int mant;
} opj_stepsize_t;
+//OPJ_V1/**
+//Tile-component coding parameters
+//*/
+//typedef struct opj_tccp {
+// /** coding style */
+// int csty;
+// /** number of resolutions */
+// int numresolutions;
+// /** code-blocks width */
+// int cblkw;
+// /** code-blocks height */
+// int cblkh;
+// /** code-block coding style */
+// int cblksty;
+// /** discrete wavelet transform identifier */
+// int qmfbid;
+// /** quantisation style */
+// int qntsty;
+// /** stepsizes used for quantization */
+// opj_stepsize_t stepsizes[J2K_MAXBANDS];
+// /** number of guard bits */
+// int numgbits;
+// /** Region Of Interest shift */
+// int roishift;
+// /** precinct width */
+// int prcw[J2K_MAXRLVLS];
+// /** precinct height */
+// int prch[J2K_MAXRLVLS];
+//} opj_tccp_t;
+
/**
Tile-component coding parameters
*/
-typedef struct opj_tccp {
- /** coding style */
- int csty;
- /** number of resolutions */
- int numresolutions;
- /** code-blocks width */
- int cblkw;
- /** code-blocks height */
- int cblkh;
- /** code-block coding style */
- int cblksty;
- /** discrete wavelet transform identifier */
- int qmfbid;
- /** quantisation style */
- int qntsty;
- /** stepsizes used for quantization */
- opj_stepsize_t stepsizes[J2K_MAXBANDS];
- /** number of guard bits */
- int numgbits;
- /** Region Of Interest shift */
- int roishift;
- /** precinct width */
- int prcw[J2K_MAXRLVLS];
- /** precinct height */
- int prch[J2K_MAXRLVLS];
-} opj_tccp_t;
+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;
+
/**
Tile coding parameters :
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 */
- int 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;
+ /** 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;
+
+
+
+
+
/**
Coding parameters
*/
typedef struct opj_cp {
- /** 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;
- /** 0 = no index || 1 = index */
- int index_on;
- /** 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;
+ /** 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;
-/**
-Information concerning a packet inside tile
-*/
-typedef struct opj_packet_info {
- /** start position */
- int start_pos;
- /** end position */
- int end_pos;
- /** ADD for Marcela */
- double disto;
-} opj_packet_info_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;
+
/**
-Index structure : information regarding tiles inside image
-*/
-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) */
- int pw[33];
- /** precinct number for each resolution level (height) */
- int ph[33];
- /** precinct size (in power of 2), in X for each resolution level */
- int pdx[33];
- /** precinct size (in power of 2), in Y for each resolution level */
- int pdy[33];
- /** 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
+Coding parameters
*/
-typedef struct opj_image_info {
- /** 0 = no index || 1 = index */
- int index_on;
- /** maximum distortion reduction on the whole image (add for Marcela) */
- double D_max;
- /** packet number */
- int num;
- /** writing the packet in the index with t2_encode_packets */
- int index_write;
- /** image width */
- int image_w;
- /** image height */
- int image_h;
- /** progression order */
- OPJ_PROG_ORDER prog;
- /** tile size in x */
- int tile_x;
- /** tile size in y */
- int tile_y;
- /** */
- int tile_Ox;
- /** */
- int tile_Oy;
- /** number of tiles in X */
- int tw;
- /** number of tiles in Y */
- int th;
- /** component numbers */
- int comp;
- /** number of layer */
- int layer;
- /** number of decomposition */
- int decomposition;
- /** main header position */
- int main_head_end;
- /** codestream's size */
- int codestream_size;
- /** information regarding tiles inside image */
- opj_tile_info_t *tile;
-} opj_image_info_t;
+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 */
+ 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_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;
+ /**
+ * 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_SIZE_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;
- /**
- 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_image_info_t *image_info;
- /** pointer to the byte i/o stream */
- opj_cio_t *cio;
+ /** 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;
-/** @name Local static functions */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-/**
-Write the SOC marker (Start Of Codestream)
-@param j2k J2K handle
-*/
-static void j2k_write_soc(opj_j2k_t *j2k);
-/**
-Read the SOC marker (Start of Codestream)
-@param j2k J2K handle
-*/
-static void j2k_read_soc(opj_j2k_t *j2k);
-/**
-Write the SIZ marker (image and tile size)
-@param j2k J2K handle
-*/
-static void j2k_write_siz(opj_j2k_t *j2k);
-/**
-Read the SIZ marker (image and tile size)
-@param j2k J2K handle
-*/
-static void j2k_read_siz(opj_j2k_t *j2k);
-/**
-Write the COM marker (comment)
-@param j2k J2K handle
-*/
-static void j2k_write_com(opj_j2k_t *j2k);
-/**
-Read the COM marker (comment)
-@param j2k J2K handle
-*/
-static void j2k_read_com(opj_j2k_t *j2k);
-/**
-Write the value concerning the specified component in the marker COD and COC
-@param j2k J2K handle
-@param compno Number of the component concerned by the information written
-*/
-static void j2k_write_cox(opj_j2k_t *j2k, int compno);
-/**
-Read the value concerning the specified component in the marker COD and COC
-@param j2k J2K handle
-@param compno Number of the component concerned by the information read
-*/
-static void j2k_read_cox(opj_j2k_t *j2k, int compno);
-/**
-Write the COD marker (coding style default)
-@param j2k J2K handle
-*/
-static void j2k_write_cod(opj_j2k_t *j2k);
-/**
-Read the COD marker (coding style default)
-@param j2k J2K handle
-*/
-static void j2k_read_cod(opj_j2k_t *j2k);
-/**
-Write the COC marker (coding style component)
-@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);
-/**
-Read the COC marker (coding style component)
-@param j2k J2K handle
-*/
-static void j2k_read_coc(opj_j2k_t *j2k);
-/**
-Write the value concerning the specified component in the marker QCD and QCC
-@param j2k J2K handle
-@param compno Number of the component concerned by the information written
-*/
-static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
-/**
-Read the value concerning the specified component in the marker QCD and QCC
-@param j2k J2K handle
-@param compno Number of the component concern by the information read
-@param len Length of the information in the QCX part of the marker QCD/QCC
-*/
-static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
-/**
-Write the QCD marker (quantization default)
-@param j2k J2K handle
-*/
-static void j2k_write_qcd(opj_j2k_t *j2k);
-/**
-Read the QCD marker (quantization default)
-@param j2k J2K handle
-*/
-static void j2k_read_qcd(opj_j2k_t *j2k);
-/**
-Write the QCC marker (quantization component)
-@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);
-/**
-Read the QCC marker (quantization component)
-@param j2k J2K handle
-*/
-static void j2k_read_qcc(opj_j2k_t *j2k);
-/**
-Write the POC marker (progression order change)
-@param j2k J2K handle
-*/
-static void j2k_write_poc(opj_j2k_t *j2k);
-/**
-Read the POC marker (progression order change)
-@param j2k J2K handle
-*/
-static void j2k_read_poc(opj_j2k_t *j2k);
-/**
-Read the CRG marker (component registration)
-@param j2k J2K handle
-*/
-static void j2k_read_crg(opj_j2k_t *j2k);
-/**
-Read the TLM marker (tile-part lengths)
-@param j2k J2K handle
-*/
-static void j2k_read_tlm(opj_j2k_t *j2k);
-/**
-Read the PLM marker (packet length, main header)
-@param j2k J2K handle
-*/
-static void j2k_read_plm(opj_j2k_t *j2k);
-/**
-Read the PLT marker (packet length, tile-part header)
-@param j2k J2K handle
-*/
-static void j2k_read_plt(opj_j2k_t *j2k);
-/**
-Read the PPM marker (packet packet headers, main header)
-@param j2k J2K handle
-*/
-static void j2k_read_ppm(opj_j2k_t *j2k);
-/**
-Read the PPT marker (packet packet headers, tile-part header)
-@param j2k J2K handle
-*/
-static void j2k_read_ppt(opj_j2k_t *j2k);
-/**
-Write the SOT marker (start of tile-part)
-@param j2k J2K handle
-*/
-static void j2k_write_sot(opj_j2k_t *j2k);
-/**
-Read the SOT marker (start of tile-part)
-@param j2k J2K handle
-*/
-static void j2k_read_sot(opj_j2k_t *j2k);
-/**
-Write the SOD marker (start of data)
-@param j2k J2K handle
-@param tile_coder Pointer to a TCD handle
-*/
-static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
-/**
-Read the SOD marker (start of data)
-@param j2k J2K handle
-*/
-static void j2k_read_sod(opj_j2k_t *j2k);
-/**
-Write the RGN marker (region-of-interest)
-@param j2k J2K handle
-@param compno Number of the component concerned by the information written
-@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)
-@param j2k J2K handle
-*/
-static void j2k_read_rgn(opj_j2k_t *j2k);
-/**
-Write the EOC marker (end of codestream)
-@param j2k J2K handle
-*/
-static void j2k_write_eoc(opj_j2k_t *j2k);
+struct opj_tcd_v2;
/**
-Read the EOC marker (end of codestream)
-@param j2k J2K handle
-*/
-static void j2k_read_eoc(opj_j2k_t *j2k);
-/**
-Read an unknown marker
-@param j2k J2K handle
+JPEG-2000 codestream reader/writer
*/
-static void j2k_read_unk(opj_j2k_t *j2k);
-/* ----------------------------------------------------------------------- */
-/*@}*/
+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 encoded / decoded image */
+ //opj_image_t *m_image;
+ opj_image_t* m_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_tcd_v2_t * m_tcd;
+
+
+
+}
+opj_j2k_v2_t;
+
+
+
/** @name Exported functions */
/*@{*/
@param parameters decompression parameters
*/
void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);
+
+void j2k_setup_decoder_v2(opj_j2k_v2_t *j2k, opj_dparameters_t *parameters);
+
/**
Decode an image from a JPEG-2000 codestream
@param j2k J2K decompressor handle
@param cio Input buffer stream
+@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_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
/**
Decode an image form a JPT-stream (JPEG 2000, JPIP)
@param j2k J2K decompressor handle
@param cio Input buffer stream
+@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_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *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);
+
+/**
+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_v2_t* j2k_create_compress_v2();
+
/**
Destroy a J2K compressor handle
@param j2k J2K compressor handle to destroy
*/
void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image);
/**
+Converts an enum type progression order to string type
+*/
+char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order);
+/**
Encode an image into a JPEG-2000 codestream
@param j2k J2K compressor handle
@param cio Output buffer stream
@param image Image to encode
-@param index Name of the index file if required, NULL otherwise
+@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, char *index);
+opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
+
/* ----------------------------------------------------------------------- */
/*@}*/
/*@}*/
+/**
+ * Ends the decompression procedures and possibiliy add data to be read after the
+ * codestream.
+ */
+opj_bool j2k_end_decompress(opj_j2k_v2_t *j2k, struct opj_stream_private *cio, struct opj_event_mgr * p_manager);
+
+/**
+ * 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.
+ */
+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 );
+
+
+/**
+ * Destroys a jpeg2000 codec.
+ *
+ * @param p_j2k the jpeg20000 structure to destroy.
+ */
+void j2k_destroy (opj_j2k_v2_t *p_j2k);
+
+/**
+ * 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.
+ */
+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,
+ 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.
+ */
+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,
+ 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.
+ */
+opj_bool j2k_set_decode_area( opj_j2k_v2_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 );
+
+/**
+ * Creates a J2K decompression structure.
+ *
+ * @return a handle to a J2K decompressor if successful, NULL otherwise.
+ */
+opj_j2k_v2_t* j2k_create_decompress_v2();
+
+
+/**
+ * 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 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* image, opj_bool dev_dump_flag, FILE* out_stream);
+
+/**
+ * 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.
+ */
+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 cio Input buffer stream
+ * @param cstr_info Codestream information structure if required, NULL otherwise
+ * @return Returns a decoded image if successful, returns NULL otherwise
+*/
+opj_bool j2k_decode_v2(opj_j2k_v2_t *j2k, struct opj_stream_private *cio, opj_image_t* p_image, opj_event_mgr_t * p_manager);
+
+
#endif /* __J2K_H */
projects / openjpeg.git / blobdiff