OpenJPEG  2.3.0
Data Structures | Typedefs
tcd.h File Reference

Implementation of a tile coder/decoder (TCD) More...

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Data Structures

struct  opj_tcd_pass
 FIXME DOC. More...
 
struct  opj_tcd_layer
 FIXME DOC. More...
 
struct  opj_tcd_cblk_enc
 FIXME DOC. More...
 
struct  opj_tcd_seg_data_chunk
 Chunk of codestream data that is part of a code block. More...
 
struct  opj_tcd_seg
 Segment of a code-block. More...
 
struct  opj_tcd_cblk_dec
 Code-block for decoding. More...
 
struct  opj_tcd_precinct
 Precinct structure. More...
 
struct  opj_tcd_band
 Sub-band structure. More...
 
struct  opj_tcd_resolution
 Tile-component resolution structure. More...
 
struct  opj_tcd_tilecomp
 Tile-component structure. More...
 
struct  opj_tcd_tile
 FIXME DOC. More...
 
struct  opj_tcd_image
 FIXME DOC. More...
 
struct  opj_tcd
 Tile coder/decoder. More...
 

Typedefs

typedef struct opj_tcd_pass opj_tcd_pass_t
 FIXME DOC. More...
 
typedef struct opj_tcd_layer opj_tcd_layer_t
 FIXME DOC. More...
 
typedef struct opj_tcd_cblk_enc opj_tcd_cblk_enc_t
 FIXME DOC. More...
 
typedef struct opj_tcd_seg_data_chunk opj_tcd_seg_data_chunk_t
 Chunk of codestream data that is part of a code block. More...
 
typedef struct opj_tcd_seg opj_tcd_seg_t
 Segment of a code-block. More...
 
typedef struct opj_tcd_cblk_dec opj_tcd_cblk_dec_t
 Code-block for decoding. More...
 
typedef struct opj_tcd_precinct opj_tcd_precinct_t
 Precinct structure. More...
 
typedef struct opj_tcd_band opj_tcd_band_t
 Sub-band structure. More...
 
typedef struct opj_tcd_resolution opj_tcd_resolution_t
 Tile-component resolution structure. More...
 
typedef struct opj_tcd_tilecomp opj_tcd_tilecomp_t
 Tile-component structure. More...
 
typedef struct opj_tcd_tile opj_tcd_tile_t
 FIXME DOC. More...
 
typedef struct opj_tcd_image opj_tcd_image_t
 FIXME DOC. More...
 
typedef struct opj_tcd opj_tcd_t
 Tile coder/decoder. More...
 

Functions

Exported functions
opj_tcd_topj_tcd_create (OPJ_BOOL p_is_decoder)
 Dump the content of a tcd structure. More...
 
void opj_tcd_destroy (opj_tcd_t *tcd)
 Destroy a previously created TCD handle. More...
 
OPJ_BOOL opj_tcd_init (opj_tcd_t *p_tcd, opj_image_t *p_image, opj_cp_t *p_cp, opj_thread_pool_t *p_tp)
 Initialize the tile coder and may reuse some memory. More...
 
OPJ_BOOL opj_tcd_init_decode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, opj_event_mgr_t *p_manager)
 Allocates memory for decoding a specific tile. More...
 
void opj_tcd_makelayer_fixed (opj_tcd_t *tcd, OPJ_UINT32 layno, OPJ_UINT32 final)
 
void opj_tcd_rateallocate_fixed (opj_tcd_t *tcd)
 
void opj_tcd_makelayer (opj_tcd_t *tcd, OPJ_UINT32 layno, OPJ_FLOAT64 thresh, OPJ_UINT32 final)
 
OPJ_BOOL opj_tcd_rateallocate (opj_tcd_t *tcd, OPJ_BYTE *dest, OPJ_UINT32 *p_data_written, OPJ_UINT32 len, opj_codestream_info_t *cstr_info, opj_event_mgr_t *p_manager)
 
OPJ_UINT32 opj_tcd_get_decoded_tile_size (opj_tcd_t *p_tcd, OPJ_BOOL take_into_account_partial_decoding)
 Gets the maximum tile size that will be taken by the tile once decoded. More...
 
OPJ_BOOL opj_tcd_encode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, OPJ_BYTE *p_dest, OPJ_UINT32 *p_data_written, OPJ_UINT32 p_len, struct opj_codestream_info *p_cstr_info, opj_event_mgr_t *p_manager)
 Encodes a tile from the raw image into the given buffer. More...
 
OPJ_BOOL opj_tcd_decode_tile (opj_tcd_t *tcd, OPJ_UINT32 win_x0, OPJ_UINT32 win_y0, OPJ_UINT32 win_x1, OPJ_UINT32 win_y1, OPJ_UINT32 numcomps_to_decode, const OPJ_UINT32 *comps_indices, OPJ_BYTE *src, OPJ_UINT32 len, OPJ_UINT32 tileno, opj_codestream_index_t *cstr_info, opj_event_mgr_t *manager)
 Decode a tile from a buffer into a raw image. More...
 
OPJ_BOOL opj_tcd_update_tile_data (opj_tcd_t *p_tcd, OPJ_BYTE *p_dest, OPJ_UINT32 p_dest_length)
 Copies tile data from the system onto the given memory block. More...
 
OPJ_SIZE_T opj_tcd_get_encoded_tile_size (opj_tcd_t *p_tcd)
 
OPJ_BOOL opj_tcd_init_encode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, opj_event_mgr_t *p_manager)
 Initialize the tile coder and may reuse some meory. More...
 
OPJ_BOOL opj_tcd_copy_tile_data (opj_tcd_t *p_tcd, OPJ_BYTE *p_src, OPJ_SIZE_T p_src_length)
 Copies tile data from the given memory block onto the system. More...
 
OPJ_BOOL opj_alloc_tile_component_data (opj_tcd_tilecomp_t *l_tilec)
 Allocates tile component data. More...
 
OPJ_BOOL opj_tcd_is_band_empty (opj_tcd_band_t *band)
 Returns whether a sub-band is empty (i.e. More...
 
void opj_tcd_reinit_segment (opj_tcd_seg_t *seg)
 Reinitialize a segment. More...
 
OPJ_BOOL opj_tcd_is_subband_area_of_interest (opj_tcd_t *tcd, OPJ_UINT32 compno, OPJ_UINT32 resno, OPJ_UINT32 bandno, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1)
 Returns whether a sub-band region contributes to the area of interest tcd->win_x0,tcd->win_y0,tcd->win_x1,tcd->win_y1. More...
 

Detailed Description

Implementation of a tile coder/decoder (TCD)

The functions in TCD.C encode or decode each tile independently from each other. The functions in TCD.C are used by other functions in J2K.C.