| OpenJPEG
    2.2.0
    | 
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_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 | T1_SIGMA_0 (1U << 0) | 
| We hold the state of individual data points for the T1 encoder using a single 32-bit flags word to hold the state of 4 data points.  More... | |
| #define | T1_SIGMA_1 (1U << 1) | 
| #define | T1_SIGMA_2 (1U << 2) | 
| #define | T1_SIGMA_3 (1U << 3) | 
| #define | T1_SIGMA_4 (1U << 4) | 
| #define | T1_SIGMA_5 (1U << 5) | 
| #define | T1_SIGMA_6 (1U << 6) | 
| #define | T1_SIGMA_7 (1U << 7) | 
| #define | T1_SIGMA_8 (1U << 8) | 
| #define | T1_SIGMA_9 (1U << 9) | 
| #define | T1_SIGMA_10 (1U << 10) | 
| #define | T1_SIGMA_11 (1U << 11) | 
| #define | T1_SIGMA_12 (1U << 12) | 
| #define | T1_SIGMA_13 (1U << 13) | 
| #define | T1_SIGMA_14 (1U << 14) | 
| #define | T1_SIGMA_15 (1U << 15) | 
| #define | T1_SIGMA_16 (1U << 16) | 
| #define | T1_SIGMA_17 (1U << 17) | 
| #define | T1_CHI_0 (1U << 18) | 
| #define | T1_CHI_0_I 18 | 
| #define | T1_CHI_1 (1U << 19) | 
| #define | T1_CHI_1_I 19 | 
| #define | T1_MU_0 (1U << 20) | 
| #define | T1_PI_0 (1U << 21) | 
| #define | T1_CHI_2 (1U << 22) | 
| #define | T1_CHI_2_I 22 | 
| #define | T1_MU_1 (1U << 23) | 
| #define | T1_PI_1 (1U << 24) | 
| #define | T1_CHI_3 (1U << 25) | 
| #define | T1_MU_2 (1U << 26) | 
| #define | T1_PI_2 (1U << 27) | 
| #define | T1_CHI_4 (1U << 28) | 
| #define | T1_MU_3 (1U << 29) | 
| #define | T1_PI_3 (1U << 30) | 
| #define | T1_CHI_5 (1U << 31) | 
| #define | T1_CHI_5_I 31 | 
| #define | T1_SIGMA_NW T1_SIGMA_0 | 
| As an example, the bits T1_SIGMA_3, T1_SIGMA_4 and T1_SIGMA_5 indicate the significance state of the west neighbour of data point zero of our four, the point itself, and its east neighbour respectively.  More... | |
| #define | T1_SIGMA_N T1_SIGMA_1 | 
| #define | T1_SIGMA_NE T1_SIGMA_2 | 
| #define | T1_SIGMA_W T1_SIGMA_3 | 
| #define | T1_SIGMA_THIS T1_SIGMA_4 | 
| #define | T1_SIGMA_E T1_SIGMA_5 | 
| #define | T1_SIGMA_SW T1_SIGMA_6 | 
| #define | T1_SIGMA_S T1_SIGMA_7 | 
| #define | T1_SIGMA_SE T1_SIGMA_8 | 
| #define | T1_SIGMA_NEIGHBOURS (T1_SIGMA_NW | T1_SIGMA_N | T1_SIGMA_NE | T1_SIGMA_W | T1_SIGMA_E | T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE) | 
| #define | T1_CHI_THIS T1_CHI_1 | 
| #define | T1_CHI_THIS_I T1_CHI_1_I | 
| #define | T1_MU_THIS T1_MU_0 | 
| #define | T1_PI_THIS T1_PI_0 | 
| #define | T1_CHI_S T1_CHI_2 | 
| #define | T1_LUT_SGN_W (1U << 0) | 
| #define | T1_LUT_SIG_N (1U << 1) | 
| #define | T1_LUT_SGN_E (1U << 2) | 
| #define | T1_LUT_SIG_W (1U << 3) | 
| #define | T1_LUT_SGN_N (1U << 4) | 
| #define | T1_LUT_SIG_E (1U << 5) | 
| #define | T1_LUT_SGN_S (1U << 6) | 
| #define | T1_LUT_SIG_S (1U << 7) | 
| Typedefs | |
| typedef OPJ_UINT32 | opj_flag_t | 
| Flags for 4 consecutive rows of a column.  More... | |
| 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... | |
| void | opj_t1_decode_cblks (opj_thread_pool_t *tp, volatile OPJ_BOOL *pret, opj_tcd_tilecomp_t *tilec, opj_tccp_t *tccp, opj_event_mgr_t *p_manager, opj_mutex_t *p_manager_mutex, OPJ_BOOL check_pterm) | 
| 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... | |
 1.8.13
 1.8.13