Alien-FreeImage
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src/Source/LibOpenJPEG/j2k.h view on Meta::CPAN
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;
typedef struct opj_encoding_param
{
/** Digital cinema profile*/
OPJ_CINEMA_MODE m_cinema;
/** Maximum rate for each component. If == 0, component size limitation is not considered */
OPJ_UINT32 m_max_comp_size;
/** Position of tile part flag in progression order*/
OPJ_INT32 m_tp_pos;
/** fixed layer */
OPJ_INT32 *m_matrice;
/** Flag determining tile part generation*/
OPJ_BYTE m_tp_flag;
/** allocation by rate/distortion */
OPJ_UINT32 m_disto_alloc : 1;
/** allocation by fixed layer */
OPJ_UINT32 m_fixed_alloc : 1;
/** add fixed_quality */
OPJ_UINT32 m_fixed_quality : 1;
/** Enabling Tile part generation*/
OPJ_UINT32 m_tp_on : 1;
}
opj_encoding_param_t;
typedef struct opj_decoding_param
{
/** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
OPJ_UINT32 m_reduce;
/** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
OPJ_UINT32 m_layer;
}
opj_decoding_param_t;
/**
* Coding parameters
*/
typedef struct opj_cp
{
/** 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_t *tcps;
union
{
opj_decoding_param_t m_dec;
opj_encoding_param_t m_enc;
}
m_specific_param;
src/Source/LibOpenJPEG/j2k.h view on Meta::CPAN
OPJ_BOOL epb_on;
/** enables writing of ESD, in case of activated JPWL */
OPJ_BOOL esd_on;
/** enables writing of informative techniques of ESD, in case of activated JPWL */
OPJ_BOOL info_on;
/** enables writing of RED, in case of activated JPWL */
OPJ_BOOL red_on;
/** error protection method for MH (0,1,16,32,37-128) */
int hprot_MH;
/** tile number of header protection specification (>=0) */
int hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
/** error protection methods for TPHs (0,1,16,32,37-128) */
int hprot_TPH[JPWL_MAX_NO_TILESPECS];
/** tile number of packet protection specification (>=0) */
int pprot_tileno[JPWL_MAX_NO_PACKSPECS];
/** packet number of packet protection specification (>=0) */
int pprot_packno[JPWL_MAX_NO_PACKSPECS];
/** error protection methods for packets (0,1,16,32,37-128) */
int pprot[JPWL_MAX_NO_PACKSPECS];
/** enables writing of ESD, (0/2/4 bytes) */
int sens_size;
/** sensitivity addressing size (0=auto/2/4 bytes) */
int sens_addr;
/** sensitivity range (0-3) */
int sens_range;
/** sensitivity method for MH (-1,0-7) */
int sens_MH;
/** tile number of sensitivity specification (>=0) */
int sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
/** sensitivity methods for TPHs (-1,0-7) */
int sens_TPH[JPWL_MAX_NO_TILESPECS];
/** enables JPWL correction at the decoder */
OPJ_BOOL correct;
/** expected number of components at the decoder */
int exp_comps;
/** maximum number of tiles at the decoder */
OPJ_UINT32 max_tiles;
#endif /* USE_JPWL */
/******** FLAGS *********/
/** if ppm == 1 --> there was a PPM marker*/
OPJ_UINT32 ppm : 1;
/** tells if the parameter is a coding or decoding one */
OPJ_UINT32 m_is_decoder : 1;
/* <<UniPG */
} opj_cp_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
{
/* 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;
/** 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 * m_tcd;
}
opj_j2k_t;
/** @name Exported functions */
/*@{*/
/* ----------------------------------------------------------------------- */
/**
Setup the decoder decoding parameters using user parameters.
Decoding parameters are returned in j2k->cp.
@param j2k J2K decompressor handle
@param parameters decompression parameters
*/
void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);
/**
* Creates a J2K compression structure
*
* @return Returns a handle to a J2K compressor if successful, returns NULL otherwise
*/
opj_j2k_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 *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order);
/* ----------------------------------------------------------------------- */
/*@}*/
/*@}*/
src/Source/LibOpenJPEG/j2k.h view on Meta::CPAN
/**
* 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 */
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