cabac.c File Reference

#include "cabac.h"
#include "encoder.h"
#include "encoderstate.h"
#include "extras/crypto.h"
#include "kvazaar.h"

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Functions
void	kvz_cabac_start (cabac_data_t *const data)
	Initialize struct cabac_data. More...
void	kvz_cabac_encode_bin (cabac_data_t *const data, const uint32_t bin_value)
void	kvz_cabac_write (cabac_data_t *const data)
void	kvz_cabac_finish (cabac_data_t *const data)
void	kvz_cabac_encode_bin_trm (cabac_data_t *const data, const uint8_t bin_value)
	Encode terminating bin. More...
void	kvz_cabac_encode_bin_ep (cabac_data_t *const data, const uint32_t bin_value)
void	kvz_cabac_encode_bins_ep (cabac_data_t *const data, uint32_t bin_values, int num_bins)
int	kvz_cabac_write_coeff_remain (cabac_data_t *const cabac, const uint32_t symbol, const uint32_t r_param)
	Coding of coeff_abs_level_minus3. More...
void	kvz_cabac_write_coeff_remain_encry (struct encoder_state_t *const state, cabac_data_t *const cabac, const uint32_t symbol, const uint32_t r_param, int32_t base_level)
void	kvz_cabac_write_unary_max_symbol (cabac_data_t *const data, cabac_ctx_t *const ctx, uint32_t symbol, const int32_t offset, const uint32_t max_symbol, double *bits_out)
void	kvz_cabac_write_unary_max_symbol_ep (cabac_data_t *const data, unsigned int symbol, const unsigned int max_symbol)
	This can be used for Truncated Rice binarization with cRiceParam=0. More...
uint32_t	kvz_cabac_write_ep_ex_golomb (encoder_state_t *const state, cabac_data_t *const data, uint32_t symbol, uint32_t count)

Variables
const uint8_t	kvz_g_auc_next_state_mps [128]
const uint8_t	kvz_g_auc_next_state_lps [128]
const uint8_t	kvz_g_auc_lpst_table [64][4]
const uint8_t	kvz_g_auc_renorm_table [32]

Function Documentation

kvz_cabac_encode_bin()

void kvz_cabac_encode_bin	(	cabac_data_t *const	data,
		const uint32_t	bin_value
	)

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kvz_cabac_encode_bin_ep()

void kvz_cabac_encode_bin_ep	(	cabac_data_t *const	data,
		const uint32_t	bin_value
	)

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kvz_cabac_encode_bin_trm()

void kvz_cabac_encode_bin_trm	(	cabac_data_t *const	data,
		const uint8_t	bin_value
	)

Parameters

binValue

bin value

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kvz_cabac_encode_bins_ep()

void kvz_cabac_encode_bins_ep	(	cabac_data_t *const	data,
		uint32_t	bin_values,
		int	num_bins
	)

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kvz_cabac_finish()

void kvz_cabac_finish

(

cabac_data_t *const

data

)

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kvz_cabac_start()

void kvz_cabac_start

(

cabac_data_t *const

data

)

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kvz_cabac_write()

void kvz_cabac_write

(

cabac_data_t *const

data

)

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kvz_cabac_write_coeff_remain()

int kvz_cabac_write_coeff_remain	(	cabac_data_t *const	cabac,
		const uint32_t	symbol,
		const uint32_t	r_param
	)

Parameters

symbol	Value of coeff_abs_level_minus3.
r_param	Reference to Rice parameter.

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kvz_cabac_write_coeff_remain_encry()

void kvz_cabac_write_coeff_remain_encry	(	struct encoder_state_t *const	state,
		cabac_data_t *const	cabac,
		const uint32_t	symbol,
		const uint32_t	r_param,
		int32_t	base_level
	)

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kvz_cabac_write_ep_ex_golomb()

uint32_t kvz_cabac_write_ep_ex_golomb	(	encoder_state_t *const	state,
		cabac_data_t *const	data,
		uint32_t	symbol,
		uint32_t	count
	)

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kvz_cabac_write_unary_max_symbol()

void kvz_cabac_write_unary_max_symbol	(	cabac_data_t *const	data,
		cabac_ctx_t *const	ctx,
		uint32_t	symbol,
		const int32_t	offset,
		const uint32_t	max_symbol,
		double *	bits_out
	)

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kvz_cabac_write_unary_max_symbol_ep()

void kvz_cabac_write_unary_max_symbol_ep	(	cabac_data_t *const	data,
		unsigned int	symbol,
		const unsigned int	max_symbol
	)

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Variable Documentation

kvz_g_auc_lpst_table

const uint8_t kvz_g_auc_lpst_table[64][4]

Initial value:

=
{
  {128, 176, 208, 240},  {128, 167, 197, 227},  {128, 158, 187, 216},  {123, 150, 178, 205},  {116, 142, 169, 195},
  {111, 135, 160, 185},  {105, 128, 152, 175},  {100, 122, 144, 166},  { 95, 116, 137, 158},  { 90, 110, 130, 150},
  { 85, 104, 123, 142},  { 81,  99, 117, 135},  { 77,  94, 111, 128},  { 73,  89, 105, 122},  { 69,  85, 100, 116},
  { 66,  80,  95, 110},  { 62,  76,  90, 104},  { 59,  72,  86,  99},  { 56,  69,  81,  94},  { 53,  65,  77,  89},
  { 51,  62,  73,  85},  { 48,  59,  69,  80},  { 46,  56,  66,  76},  { 43,  53,  63,  72},  { 41,  50,  59,  69},
  { 39,  48,  56,  65},  { 37,  45,  54,  62},  { 35,  43,  51,  59},  { 33,  41,  48,  56},  { 32,  39,  46,  53},
  { 30,  37,  43,  50},  { 29,  35,  41,  48},  { 27,  33,  39,  45},  { 26,  31,  37,  43},  { 24,  30,  35,  41},
  { 23,  28,  33,  39},  { 22,  27,  32,  37},  { 21,  26,  30,  35},  { 20,  24,  29,  33},  { 19,  23,  27,  31},
  { 18,  22,  26,  30},  { 17,  21,  25,  28},  { 16,  20,  23,  27},  { 15,  19,  22,  25},  { 14,  18,  21,  24},
  { 14,  17,  20,  23},  { 13,  16,  19,  22},  { 12,  15,  18,  21},  { 12,  14,  17,  20},  { 11,  14,  16,  19},
  { 11,  13,  15,  18},  { 10,  12,  15,  17},  { 10,  12,  14,  16},  {  9,  11,  13,  15},  {  9,  11,  12,  14},
  {  8,  10,  12,  14},  {  8,   9,  11,  13},  {  7,   9,  11,  12},  {  7,   9,  10,  12},  {  7,   8,  10,  11},
  {  6,   8,   9,  11},  {  6,   7,   9,  10},  {  6,   7,   8,   9},  {  2,   2,   2,   2}
}

kvz_g_auc_next_state_lps

const uint8_t kvz_g_auc_next_state_lps[128]

Initial value:

=
{
   1,  0,  0,  1,  2,  3,  4,  5,  4,  5,  8,  9,  8,  9,  10,  11,
  12, 13, 14, 15, 16, 17, 18, 19, 18, 19, 22, 23, 22, 23,  24,  25,
  26, 27, 26, 27, 30, 31, 30, 31, 32, 33, 32, 33, 36, 37,  36,  37,
  38, 39, 38, 39, 42, 43, 42, 43, 44, 45, 44, 45, 46, 47,  48,  49,
  48, 49, 50, 51, 52, 53, 52, 53, 54, 55, 54, 55, 56, 57,  58,  59,
  58, 59, 60, 61, 60, 61, 60, 61, 62, 63, 64, 65, 64, 65,  66,  67,
  66, 67, 66, 67, 68, 69, 68, 69, 70, 71, 70, 71, 70, 71,  72,  73,
  72, 73, 72, 73, 74, 75, 74, 75, 74, 75, 76, 77, 76, 77, 126, 127
}

kvz_g_auc_next_state_mps

const uint8_t kvz_g_auc_next_state_mps[128]

Initial value:

=
{
    2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,  16,  17,
   18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,
   34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,  46,  47,  48,  49,
   50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
   66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,
   82,  83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  95,  96,  97,
   98,  99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
  114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 124, 125, 126, 127
}

kvz_g_auc_renorm_table

const uint8_t kvz_g_auc_renorm_table[32]

Initial value:

=
{
  6, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
}