} opj_tcd_cblk_enc_t;
-/** Chunk of codestream data that is part of a T1 segment */
+/** Chunk of codestream data that is part of a code block */
typedef struct opj_tcd_seg_data_chunk {
- OPJ_BYTE *
- data; /* Point to tilepart buffer. We don't make a copy !
- So the tilepart buffer must be kept alive
- as long as we need to decode the codeblocks */
+ /* Point to tilepart buffer. We don't make a copy !
+ So the tilepart buffer must be kept alive
+ as long as we need to decode the codeblocks */
+ OPJ_BYTE * data;
OPJ_UINT32 len; /* Usable length of data */
} opj_tcd_seg_data_chunk_t;
* A segment represent a number of consecutive coding passes, without termination
* of MQC or RAW between them. */
typedef struct opj_tcd_seg {
- opj_tcd_seg_data_chunk_t* chunks; /* Array of chunks */
- OPJ_UINT32 numchunks; /* Number of valid chunks items */
- OPJ_UINT32 numchunksalloc; /* Number of chunks item allocated */
- OPJ_UINT32
- numpasses; /* Number of passes decoded. Including those that we skip */
- OPJ_UINT32
- real_num_passes; /* Number of passes actually to be decoded. To be used for code-block decoding */
- OPJ_UINT32 maxpasses; /* Maximum number of passes for this segment */
- OPJ_UINT32
- numnewpasses; /* Number of new passes for current packed. Transitory value */
- OPJ_UINT32
- newlen; /* Codestream length for this segment for current packed. Transitory value */
+ OPJ_UINT32 len; /* Size of data related to this segment */
+ /* Number of passes decoded. Including those that we skip */
+ OPJ_UINT32 numpasses;
+ /* Number of passes actually to be decoded. To be used for code-block decoding */
+ OPJ_UINT32 real_num_passes;
+ /* Maximum number of passes for this segment */
+ OPJ_UINT32 maxpasses;
+ /* Number of new passes for current packed. Transitory value */
+ OPJ_UINT32 numnewpasses;
+ /* Codestream length for this segment for current packed. Transitory value */
+ OPJ_UINT32 newlen;
} opj_tcd_seg_t;
-/* Code-block for decoding */
+/** Code-block for decoding */
typedef struct opj_tcd_cblk_dec {
opj_tcd_seg_t* segs; /* segments information */
- OPJ_INT32 x0, y0, x1,
- y1; /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
+ opj_tcd_seg_data_chunk_t* chunks; /* Array of chunks */
+ /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
+ OPJ_INT32 x0, y0, x1, y1;
OPJ_UINT32 numbps;
- OPJ_UINT32
- numlenbits; /* number of bits for len,, for the current packet. Transitory value */
- OPJ_UINT32
- numnewpasses; /* number of pass added to the code-blocks, for the current packet. Transitory value */
- OPJ_UINT32
- numsegs; /* number of segments, including those of packet we skip */
- OPJ_UINT32
- real_num_segs; /* number of segments, to be used for code block decoding */
+ /* number of bits for len, for the current packet. Transitory value */
+ OPJ_UINT32 numlenbits;
+ /* number of pass added to the code-blocks, for the current packet. Transitory value */
+ OPJ_UINT32 numnewpasses;
+ /* number of segments, including those of packet we skip */
+ OPJ_UINT32 numsegs;
+ /* number of segments, to be used for code block decoding */
+ OPJ_UINT32 real_num_segs;
OPJ_UINT32 m_current_max_segs; /* allocated number of segs[] items */
+ OPJ_UINT32 numchunks; /* Number of valid chunks items */
+ OPJ_UINT32 numchunksalloc; /* Number of chunks item allocated */
} opj_tcd_cblk_dec_t;
-/**
-FIXME DOC
-*/
+/** Precinct structure */
typedef struct opj_tcd_precinct {
- OPJ_INT32 x0, y0, x1,
- y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
- OPJ_UINT32 cw, ch; /* number of precinct in width and height */
+ /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
+ OPJ_INT32 x0, y0, x1, y1;
+ OPJ_UINT32 cw, ch; /* number of code-blocks, in width and height */
union { /* code-blocks information */
opj_tcd_cblk_enc_t* enc;
opj_tcd_cblk_dec_t* dec;
opj_tgt_tree_t *imsbtree; /* IMSB tree */
} opj_tcd_precinct_t;
-/**
-FIXME DOC
-*/
+/** Sub-band structure */
typedef struct opj_tcd_band {
- OPJ_INT32 x0, y0, x1,
- y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
+ /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
+ OPJ_INT32 x0, y0, x1, y1;
+ /* band number: for lowest resolution level (0=LL), otherwise (1=HL, 2=LH, 3=HH) */
OPJ_UINT32 bandno;
- opj_tcd_precinct_t *precincts; /* precinct information */
- OPJ_UINT32 precincts_data_size; /* size of data taken by precincts */
+ /* precinct information */
+ opj_tcd_precinct_t *precincts;
+ /* size of data taken by precincts */
+ OPJ_UINT32 precincts_data_size;
OPJ_INT32 numbps;
OPJ_FLOAT32 stepsize;
} opj_tcd_band_t;
-/**
-FIXME DOC
-*/
+/** Tile-component resolution structure */
typedef struct opj_tcd_resolution {
- OPJ_INT32 x0, y0, x1,
- y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
+ /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
+ OPJ_INT32 x0, y0, x1, y1;
+ /* number of precincts, in width and height, for this resolution level */
OPJ_UINT32 pw, ph;
- OPJ_UINT32 numbands; /* number sub-band for the resolution level */
- opj_tcd_band_t bands[3]; /* subband information */
+ /* number of sub-bands for the resolution level (1 for lowest resolution level, 3 otherwise) */
+ OPJ_UINT32 numbands;
+ /* subband information */
+ opj_tcd_band_t bands[3];
} opj_tcd_resolution_t;
-/**
-FIXME DOC
-*/
+/** Tile-component structure */
typedef struct opj_tcd_tilecomp {
- OPJ_INT32 x0, y0, x1,
- y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
- OPJ_UINT32 numresolutions; /* number of resolutions level */
- OPJ_UINT32
- minimum_num_resolutions; /* number of resolutions level to decode (at max)*/
- opj_tcd_resolution_t *resolutions; /* resolutions information */
- OPJ_UINT32
- resolutions_size; /* size of data for resolutions (in bytes) */
- OPJ_INT32 *data; /* data of the component */
- OPJ_BOOL ownsData; /* if true, then need to free after usage, otherwise do not free */
- OPJ_UINT32
- data_size_needed; /* we may either need to allocate this amount of data, or re-use image data and ignore this value */
- OPJ_UINT32 data_size; /* size of the data of the component */
- OPJ_INT32 numpix; /* add fixed_quality */
+ /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
+ OPJ_INT32 x0, y0, x1, y1;
+ /* number of resolutions level */
+ OPJ_UINT32 numresolutions;
+ /* number of resolutions level to decode (at max)*/
+ OPJ_UINT32 minimum_num_resolutions;
+ /* resolutions information */
+ opj_tcd_resolution_t *resolutions;
+ /* size of data for resolutions (in bytes) */
+ OPJ_UINT32 resolutions_size;
+ /* data of the component */
+ OPJ_INT32 *data;
+ /* if true, then need to free after usage, otherwise do not free */
+ OPJ_BOOL ownsData;
+ /* we may either need to allocate this amount of data, or re-use image data and ignore this value */
+ OPJ_UINT32 data_size_needed;
+ /* size of the data of the component */
+ OPJ_UINT32 data_size;
+ /* add fixed_quality */
+ OPJ_INT32 numpix;
} opj_tcd_tilecomp_t;
FIXME DOC
*/
typedef struct opj_tcd_tile {
- OPJ_INT32 x0, y0, x1,
- y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
+ /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
+ OPJ_INT32 x0, y0, x1, y1;
OPJ_UINT32 numcomps; /* number of components in tile */
opj_tcd_tilecomp_t *comps; /* Components information */
OPJ_INT32 numpix; /* add fixed_quality */
OPJ_BITFIELD m_is_decoder : 1;
/** Thread pool */
opj_thread_pool_t* thread_pool;
+ /** AFL test */
+ OPJ_UINT32 enumcs;
} opj_tcd_t;
/** @name Exported functions */
*/
OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t* band);
-/** Reinitialize a segment, without deallocating its chunks array */
+/** Reinitialize a segment */
void opj_tcd_reinit_segment(opj_tcd_seg_t* seg);
/* ----------------------------------------------------------------------- */
projects / openjpeg.git / blobdiff