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OpenJPEG: update to 2.1 from 1.5

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Stream handling has changed so this required changes to how files & memory are accessed.
This commit is contained in:
Campbell Barton
2016-06-09 21:56:29 +10:00
parent 5798301291
commit f12204196f
61 changed files with 26432 additions and 10372 deletions
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812
extern/libopenjpeg/j2k.h vendored
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@@ -1,11 +1,21 @@
/*
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2007, Professor Benoit Macq
* 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) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, 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) 2003-2007, Francois-Olivier Devaux
* Copyright (c) 2003-2014, 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) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
* Copyright (c) 2012, CS Systemes d'Information, France
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -55,6 +65,8 @@ The functions in J2K.C have for goal to read/write the several parts of the code
#define J2K_CCP_QNTSTY_SIQNT 1
#define J2K_CCP_QNTSTY_SEQNT 2
#define OPJ_J2K_DEFAULT_CBLK_DATA_SIZE 8192
/* ----------------------------------------------------------------------- */
#define J2K_MS_SOC 0xff4f /**< SOC marker value */
@@ -77,6 +89,13 @@ The functions in J2K.C have for goal to read/write the several parts of the code
#define J2K_MS_EPH 0xff92 /**< EPH marker value */
#define J2K_MS_CRG 0xff63 /**< CRG marker value */
#define J2K_MS_COM 0xff64 /**< COM marker value */
#define J2K_MS_CBD 0xff78 /**< CBD marker value */
#define J2K_MS_MCC 0xff75 /**< MCC marker value */
#define J2K_MS_MCT 0xff74 /**< MCT marker value */
#define J2K_MS_MCO 0xff77 /**< MCO marker value */
#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) */
@@ -90,14 +109,14 @@ The functions in J2K.C have for goal to read/write the several parts of the code
#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.
*/
* 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 */
@@ -105,9 +124,32 @@ typedef enum J2K_STATUS {
J2K_STATE_TPH = 0x0010, /**< the decoding process is in a tile part header */
J2K_STATE_MT = 0x0020, /**< the EOC marker has just been read */
J2K_STATE_NEOC = 0x0040, /**< the decoding process must not expect a EOC marker because the codestream is truncated */
J2K_STATE_ERR = 0x0080 /**< the decoding process has encountered an error */
J2K_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;
/* ----------------------------------------------------------------------- */
/**
@@ -119,161 +161,245 @@ typedef enum T2_MODE {
}J2K_T2_MODE;
/**
Quantization stepsize
*/
* Quantization stepsize
*/
typedef struct opj_stepsize {
/** exponent */
int expn;
OPJ_INT32 expn;
/** mantissa */
int mant;
OPJ_INT32 mant;
} opj_stepsize_t;
/**
Tile-component coding parameters
*/
typedef struct opj_tccp {
typedef struct opj_tccp
{
/** coding style */
int csty;
OPJ_UINT32 csty;
/** number of resolutions */
int numresolutions;
OPJ_UINT32 numresolutions;
/** code-blocks width */
int cblkw;
OPJ_UINT32 cblkw;
/** code-blocks height */
int cblkh;
OPJ_UINT32 cblkh;
/** code-block coding style */
int cblksty;
OPJ_UINT32 cblksty;
/** discrete wavelet transform identifier */
int qmfbid;
OPJ_UINT32 qmfbid;
/** quantisation style */
int qntsty;
OPJ_UINT32 qntsty;
/** stepsizes used for quantization */
opj_stepsize_t stepsizes[J2K_MAXBANDS];
opj_stepsize_t stepsizes[OPJ_J2K_MAXBANDS];
/** number of guard bits */
int numgbits;
OPJ_UINT32 numgbits;
/** Region Of Interest shift */
int roishift;
OPJ_INT32 roishift;
/** precinct width */
int prcw[J2K_MAXRLVLS];
OPJ_UINT32 prcw[OPJ_J2K_MAXRLVLS];
/** precinct height */
int prch[J2K_MAXRLVLS];
} opj_tccp_t;
OPJ_UINT32 prch[OPJ_J2K_MAXRLVLS];
/** the dc_level_shift **/
OPJ_INT32 m_dc_level_shift;
}
opj_tccp_t;
/**
Tile coding parameters :
* 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 {
/** 1 : first part-tile of a tile */
int first;
typedef struct opj_tcp
{
/** coding style */
int csty;
OPJ_UINT32 csty;
/** progression order */
OPJ_PROG_ORDER prg;
/** number of layers */
int numlayers;
OPJ_UINT32 numlayers;
OPJ_UINT32 num_layers_to_decode;
/** multi-component transform identifier */
int mct;
OPJ_UINT32 mct;
/** rates of layers */
float rates[100];
OPJ_FLOAT32 rates[100];
/** number of progression order changes */
int numpocs;
/** indicates if a POC marker has been used O:NO, 1:YES */
int POC;
OPJ_UINT32 numpocs;
/** progression order changes */
opj_poc_t pocs[32];
/** packet header store there for futur use in t2_decode_packet */
unsigned char *ppt_data;
/** pointer remaining on the first byte of the first header if ppt is used */
unsigned char *ppt_data_first;
/** If ppt == 1 --> there was a PPT marker for the present tile */
int ppt;
/** used in case of multiple marker PPT (number of info already stored) */
int ppt_store;
/** ppmbug1 */
int ppt_len;
OPJ_BYTE *ppt_data;
/** used to keep a track of the allocated memory */
OPJ_BYTE *ppt_buffer;
/** Number of bytes stored inside ppt_data*/
OPJ_UINT32 ppt_data_size;
/** size of ppt_data*/
OPJ_UINT32 ppt_len;
/** add fixed_quality */
float distoratio[100];
OPJ_FLOAT32 distoratio[100];
/** tile-component coding parameters */
opj_tccp_t *tccps;
/** number of tile parts for the tile. */
OPJ_UINT32 m_nb_tile_parts;
/** data for the tile */
OPJ_BYTE * m_data;
/** size of data */
OPJ_UINT32 m_data_size;
/** encoding norms */
OPJ_FLOAT64 * mct_norms;
/** the mct decoding matrix */
OPJ_FLOAT32 * m_mct_decoding_matrix;
/** the mct coding matrix */
OPJ_FLOAT32 * m_mct_coding_matrix;
/** mct records */
opj_mct_data_t * m_mct_records;
/** the number of mct records. */
OPJ_UINT32 m_nb_mct_records;
/** the max number of mct records. */
OPJ_UINT32 m_nb_max_mct_records;
/** mcc records */
opj_simple_mcc_decorrelation_data_t * m_mcc_records;
/** the number of mct records. */
OPJ_UINT32 m_nb_mcc_records;
/** the max number of mct records. */
OPJ_UINT32 m_nb_max_mcc_records;
/***** FLAGS *******/
/** If ppt == 1 --> there was a PPT marker for the present tile */
OPJ_UINT32 ppt : 1;
/** indicates if a POC marker has been used O:NO, 1:YES */
OPJ_UINT32 POC : 1;
} opj_tcp_t;
/**
Coding parameters
*/
typedef struct opj_cp {
/** Digital cinema profile*/
OPJ_CINEMA_MODE cinema;
typedef struct opj_encoding_param
{
/** Maximum rate for each component. If == 0, component size limitation is not considered */
int max_comp_size;
/** Size of the image in bits*/
int img_size;
/** Rsiz*/
OPJ_RSIZ_CAPABILITIES rsiz;
/** Enabling Tile part generation*/
char tp_on;
/** Flag determining tile part generation*/
char tp_flag;
OPJ_UINT32 m_max_comp_size;
/** Position of tile part flag in progression order*/
int tp_pos;
OPJ_INT32 m_tp_pos;
/** fixed layer */
OPJ_INT32 *m_matrice;
/** Flag determining tile part generation*/
OPJ_BYTE m_tp_flag;
/** allocation by rate/distortion */
int disto_alloc;
OPJ_UINT32 m_disto_alloc : 1;
/** allocation by fixed layer */
int fixed_alloc;
OPJ_UINT32 m_fixed_alloc : 1;
/** add fixed_quality */
int fixed_quality;
OPJ_UINT32 m_fixed_quality : 1;
/** Enabling Tile part generation*/
OPJ_UINT32 m_tp_on : 1;
}
opj_encoding_param_t;
typedef struct opj_decoding_param
{
/** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
int reduce;
OPJ_UINT32 m_reduce;
/** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
int layer;
/** if == NO_LIMITATION, decode entire codestream; if == LIMIT_TO_MAIN_HEADER then only decode the main header */
OPJ_LIMIT_DECODING limit_decoding;
OPJ_UINT32 m_layer;
}
opj_decoding_param_t;
/**
* Coding parameters
*/
typedef struct opj_cp
{
/** Size of the image in bits*/
/*int img_size;*/
/** Rsiz*/
OPJ_UINT16 rsiz;
/** XTOsiz */
int tx0;
OPJ_UINT32 tx0; /* MSD see norm */
/** YTOsiz */
int ty0;
OPJ_UINT32 ty0; /* MSD see norm */
/** XTsiz */
int tdx;
OPJ_UINT32 tdx;
/** YTsiz */
int tdy;
/** comment for coding */
char *comment;
OPJ_UINT32 tdy;
/** comment */
OPJ_CHAR *comment;
/** number of tiles in width */
int tw;
OPJ_UINT32 tw;
/** number of tiles in heigth */
int th;
/** ID number of the tiles present in the codestream */
int *tileno;
/** size of the vector tileno */
int tileno_size;
OPJ_UINT32 th;
/** packet header store there for futur use in t2_decode_packet */
unsigned char *ppm_data;
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 */
unsigned char *ppm_data_first;
/** if ppm == 1 --> there was a PPM marker for the present tile */
int ppm;
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) */
int ppm_store;
OPJ_INT32 ppm_store;
/** use in case of multiple marker PPM (case on non-finished previous info) */
int ppm_previous;
/** ppmbug1 */
int ppm_len;
OPJ_INT32 ppm_previous;
/** tile coding parameters */
opj_tcp_t *tcps;
/** fixed layer */
int *matrice;
union
{
opj_decoding_param_t m_dec;
opj_encoding_param_t m_enc;
}
m_specific_param;
/* UniPG>> */
#ifdef USE_JPWL
/** enables writing of EPC in MH, thus activating JPWL */
opj_bool epc_on;
OPJ_BOOL epc_on;
/** enables writing of EPB, in case of activated JPWL */
opj_bool epb_on;
OPJ_BOOL epb_on;
/** enables writing of ESD, in case of activated JPWL */
opj_bool esd_on;
OPJ_BOOL esd_on;
/** enables writing of informative techniques of ESD, in case of activated JPWL */
opj_bool info_on;
OPJ_BOOL info_on;
/** enables writing of RED, in case of activated JPWL */
opj_bool red_on;
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) */
@@ -299,148 +425,418 @@ typedef struct opj_cp {
/** sensitivity methods for TPHs (-1,0-7) */
int sens_TPH[JPWL_MAX_NO_TILESPECS];
/** enables JPWL correction at the decoder */
opj_bool correct;
OPJ_BOOL correct;
/** expected number of components at the decoder */
int exp_comps;
/** maximum number of tiles at the decoder */
int max_tiles;
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_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_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;
struct opj_tcd;
/**
JPEG-2000 codestream reader/writer
*/
typedef struct opj_j2k {
/** codec context */
opj_common_ptr cinfo;
typedef struct opj_j2k
{
/* 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_t m_cp;
/** the list of procedures to exec **/
opj_procedure_list_t * m_procedure_list;
/** the list of validation procedures to follow to make sure the code is valid **/
opj_procedure_list_t * m_validation_list;
/** 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;
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 * m_tcd;
}
opj_j2k_t;
/** @name Exported functions */
/*@{*/
/* ----------------------------------------------------------------------- */
/**
Creates a J2K decompression structure
@param cinfo Codec context info
@return Returns a handle to a J2K decompressor if successful, returns NULL otherwise
*/
opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo);
/**
Destroy a J2K decompressor handle
@param j2k J2K decompressor handle to destroy
*/
void j2k_destroy_decompress(opj_j2k_t *j2k);
/**
Setup the decoder decoding parameters using user parameters.
Decoding parameters are returned in j2k->cp.
@param j2k J2K decompressor handle
@param parameters decompression parameters
*/
void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);
void opj_j2k_setup_decoder(opj_j2k_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
* Creates a J2K compression structure
*
* @return Returns a handle to a J2K compressor if successful, returns NULL otherwise
*/
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_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);
/**
Destroy a J2K compressor handle
@param j2k J2K compressor handle to destroy
*/
void j2k_destroy_compress(opj_j2k_t *j2k);
/**
Setup the encoder parameters using the current image and using user parameters.
Coding parameters are returned in j2k->cp.
@param j2k J2K compressor handle
@param parameters compression parameters
@param image input filled image
*/
void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image);
opj_j2k_t* opj_j2k_create_compress(void);
void opj_j2k_setup_encoder( opj_j2k_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 *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 cstr_info Codestream information structure if required, NULL otherwise
@return Returns true if successful, returns false otherwise
*/
opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
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_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_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_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_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_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_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_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_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_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_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_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_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_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_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( opj_j2k_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_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_t *p_j2k,
opj_stream_private_t *cio,
opj_event_mgr_t * p_manager);
OPJ_BOOL opj_j2k_setup_mct_encoding (opj_tcp_t * p_tcp, opj_image_t * p_image);
#endif /* __J2K_H */