OpenJPEG
2.1.0
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Implementation of the tier-1 coding (coding of code-block coefficients) (T1) More...
Go to the source code of this file.
Data Structures | |
struct | opj_t1 |
Tier-1 coding (coding of code-block coefficients) More... | |
Macros | |
#define | T1_NMSEDEC_BITS 7 |
#define | T1_SIG_NE 0x0001 |
Context orientation : North-East direction. More... | |
#define | T1_SIG_SE 0x0002 |
Context orientation : South-East direction. More... | |
#define | T1_SIG_SW 0x0004 |
Context orientation : South-West direction. More... | |
#define | T1_SIG_NW 0x0008 |
Context orientation : North-West direction. More... | |
#define | T1_SIG_N 0x0010 |
Context orientation : North direction. More... | |
#define | T1_SIG_E 0x0020 |
Context orientation : East direction. More... | |
#define | T1_SIG_S 0x0040 |
Context orientation : South direction. More... | |
#define | T1_SIG_W 0x0080 |
Context orientation : West direction. More... | |
#define | T1_SIG_OTH (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW) |
#define | T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W) |
#define | T1_SGN_N 0x0100 |
#define | T1_SGN_E 0x0200 |
#define | T1_SGN_S 0x0400 |
#define | T1_SGN_W 0x0800 |
#define | T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W) |
#define | T1_SIG 0x1000 |
#define | T1_REFINE 0x2000 |
#define | T1_VISIT 0x4000 |
#define | T1_NUMCTXS_ZC 9 |
#define | T1_NUMCTXS_SC 5 |
#define | T1_NUMCTXS_MAG 3 |
#define | T1_NUMCTXS_AGG 1 |
#define | T1_NUMCTXS_UNI 1 |
#define | T1_CTXNO_ZC 0 |
#define | T1_CTXNO_SC (T1_CTXNO_ZC+T1_NUMCTXS_ZC) |
#define | T1_CTXNO_MAG (T1_CTXNO_SC+T1_NUMCTXS_SC) |
#define | T1_CTXNO_AGG (T1_CTXNO_MAG+T1_NUMCTXS_MAG) |
#define | T1_CTXNO_UNI (T1_CTXNO_AGG+T1_NUMCTXS_AGG) |
#define | T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI) |
#define | T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1) |
#define | T1_TYPE_MQ 0 |
Normal coding using entropy coder. More... | |
#define | T1_TYPE_RAW 1 |
No encoding the information is store under raw format in codestream (mode switch RAW) More... | |
#define | MACRO_t1_flags(x, y) t1->flags[((x)*(t1->flags_stride))+(y)] |
Typedefs | |
typedef OPJ_INT16 | opj_flag_t |
typedef struct opj_t1 | opj_t1_t |
Tier-1 coding (coding of code-block coefficients) More... | |
Functions | |
Exported functions | |
OPJ_BOOL | opj_t1_encode_cblks (opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp, const OPJ_FLOAT64 *mct_norms, OPJ_UINT32 mct_numcomps) |
Encode the code-blocks of a tile. More... | |
OPJ_BOOL | opj_t1_decode_cblks (opj_t1_t *t1, opj_tcd_tilecomp_t *tilec, opj_tccp_t *tccp) |
Decode the code-blocks of a tile. More... | |
opj_t1_t * | opj_t1_create (OPJ_BOOL isEncoder) |
Creates a new Tier 1 handle and initializes the look-up tables of the Tier-1 coder/decoder. More... | |
void | opj_t1_destroy (opj_t1_t *p_t1) |
Destroys a previously created T1 handle. More... | |