Implementation of the tier-1 coding (coding of code-block coefficients) (T1) More...

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...

Detailed Description

Implementation of the tier-1 coding (coding of code-block coefficients) (T1)

The functions in T1.C have for goal to realize the tier-1 coding operation. The functions in T1.C are used by some function in TCD.C.

Data Structures

Macros

Typedefs

Functions

Detailed Description