libavcodec/h264data.h File Reference

H264 / AVC / MPEG4 part10 codec data table. More...

#include <stdint.h>
#include "libavutil/rational.h"
#include "mpegvideo.h"
#include "h264.h"

Go to the source code of this file.

Data Structures

struct  IMbInfo
struct  PMbInfo

Variables

static const uint8_t golomb_to_pict_type [5]
static const uint8_t golomb_to_intra4x4_cbp [48]
static const uint8_t golomb_to_inter_cbp [48]
static const uint8_t zigzag_scan [16]
static const uint8_t field_scan [16]
static const uint8_t luma_dc_zigzag_scan [16]
static const uint8_t luma_dc_field_scan [16]
static const uint8_t chroma_dc_scan [4]
static const uint8_t chroma422_dc_scan [8]
static const uint8_t zigzag_scan8x8_cavlc [64]
static const uint8_t field_scan8x8 [64]
static const uint8_t field_scan8x8_cavlc [64]
static const IMbInfo i_mb_type_info [26]
static const PMbInfo p_mb_type_info [5]
static const PMbInfo p_sub_mb_type_info [4]
static const PMbInfo b_mb_type_info [23]
static const PMbInfo b_sub_mb_type_info [13]
static const uint8_t dequant4_coeff_init [6][3]
static const uint8_t dequant8_coeff_init_scan [16]
static const uint8_t dequant8_coeff_init [6][6]


Detailed Description

H264 / AVC / MPEG4 part10 codec data table.

Author:
Michael Niedermayer <michaelni@gmx.at>

Definition in file h264data.h.


Variable Documentation

const PMbInfo b_mb_type_info[23] [static]

const PMbInfo b_sub_mb_type_info[13] [static]

const uint8_t chroma422_dc_scan[8] [static]

Initial value:

{
 (0+0*2)*16, (0+1*2)*16,
 (1+0*2)*16, (0+2*2)*16,
 (0+3*2)*16, (1+1*2)*16,
 (1+2*2)*16, (1+3*2)*16,
}

Definition at line 86 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

const uint8_t chroma_dc_scan[4] [static]

Initial value:

{
 (0+0*2)*16, (1+0*2)*16,
 (0+1*2)*16, (1+1*2)*16,
}

Definition at line 81 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and svq3_decode_block().

const uint8_t dequant4_coeff_init[6][3] [static]

Initial value:

{
  {10,13,16},
  {11,14,18},
  {13,16,20},
  {14,18,23},
  {16,20,25},
  {18,23,29},
}

Definition at line 248 of file h264data.h.

Referenced by init_dequant4_coeff_table().

const uint8_t dequant8_coeff_init[6][6] [static]

Initial value:

{
  {20,18,32,19,25,24},
  {22,19,35,21,28,26},
  {26,23,42,24,33,31},
  {28,25,45,26,35,33},
  {32,28,51,30,40,38},
  {36,32,58,34,46,43},
}

Definition at line 260 of file h264data.h.

Referenced by init_dequant8_coeff_table().

const uint8_t dequant8_coeff_init_scan[16] [static]

Initial value:

 {
  0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
}

Definition at line 257 of file h264data.h.

Referenced by init_dequant8_coeff_table().

const uint8_t field_scan[16] [static]

Initial value:

{
 0+0*4, 0+1*4, 1+0*4, 0+2*4,
 0+3*4, 1+1*4, 1+2*4, 1+3*4,
 2+0*4, 2+1*4, 2+2*4, 2+3*4,
 3+0*4, 3+1*4, 3+2*4, 3+3*4,
}

Definition at line 60 of file h264data.h.

Referenced by init_scan_tables().

const uint8_t field_scan8x8[64] [static]

Initial value:

{
 0+0*8, 0+1*8, 0+2*8, 1+0*8,
 1+1*8, 0+3*8, 0+4*8, 1+2*8,
 2+0*8, 1+3*8, 0+5*8, 0+6*8,
 0+7*8, 1+4*8, 2+1*8, 3+0*8,
 2+2*8, 1+5*8, 1+6*8, 1+7*8,
 2+3*8, 3+1*8, 4+0*8, 3+2*8,
 2+4*8, 2+5*8, 2+6*8, 2+7*8,
 3+3*8, 4+1*8, 5+0*8, 4+2*8,
 3+4*8, 3+5*8, 3+6*8, 3+7*8,
 4+3*8, 5+1*8, 6+0*8, 5+2*8,
 4+4*8, 4+5*8, 4+6*8, 4+7*8,
 5+3*8, 6+1*8, 6+2*8, 5+4*8,
 5+5*8, 5+6*8, 5+7*8, 6+3*8,
 7+0*8, 7+1*8, 6+4*8, 6+5*8,
 6+6*8, 6+7*8, 7+2*8, 7+3*8,
 7+4*8, 7+5*8, 7+6*8, 7+7*8,
}

Definition at line 113 of file h264data.h.

Referenced by init_scan_tables().

const uint8_t field_scan8x8_cavlc[64] [static]

Initial value:

{
 0+0*8, 1+1*8, 2+0*8, 0+7*8,
 2+2*8, 2+3*8, 2+4*8, 3+3*8,
 3+4*8, 4+3*8, 4+4*8, 5+3*8,
 5+5*8, 7+0*8, 6+6*8, 7+4*8,
 0+1*8, 0+3*8, 1+3*8, 1+4*8,
 1+5*8, 3+1*8, 2+5*8, 4+1*8,
 3+5*8, 5+1*8, 4+5*8, 6+1*8,
 5+6*8, 7+1*8, 6+7*8, 7+5*8,
 0+2*8, 0+4*8, 0+5*8, 2+1*8,
 1+6*8, 4+0*8, 2+6*8, 5+0*8,
 3+6*8, 6+0*8, 4+6*8, 6+2*8,
 5+7*8, 6+4*8, 7+2*8, 7+6*8,
 1+0*8, 1+2*8, 0+6*8, 3+0*8,
 1+7*8, 3+2*8, 2+7*8, 4+2*8,
 3+7*8, 5+2*8, 4+7*8, 5+4*8,
 6+3*8, 6+5*8, 7+3*8, 7+7*8,
}

Definition at line 132 of file h264data.h.

Referenced by init_scan_tables().

const uint8_t golomb_to_inter_cbp[48] [static]

Initial value:

{
  0, 16,  1,  2,  4,  8, 32,  3,  5, 10, 12, 15, 47,  7, 11, 13,
 14,  6,  9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
}

Definition at line 47 of file h264data.h.

Referenced by ff_h264_decode_mb_cavlc(), and svq3_decode_mb().

const uint8_t golomb_to_intra4x4_cbp[48] [static]

Initial value:

{
 47, 31, 15,  0, 23, 27, 29, 30,  7, 11, 13, 14, 39, 43, 45, 46,
 16,  3,  5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44,  1,  2,  4,
  8, 17, 18, 20, 24,  6,  9, 22, 25, 32, 33, 34, 36, 40, 38, 41
}

Definition at line 41 of file h264data.h.

Referenced by ff_h264_decode_mb_cavlc(), and svq3_decode_mb().

const uint8_t golomb_to_pict_type[5] [static]

const IMbInfo i_mb_type_info[26] [static]

Initial value:

{
{MB_TYPE_INTRA4x4  , -1, -1},
{MB_TYPE_INTRA16x16,  2,  0},
{MB_TYPE_INTRA16x16,  1,  0},
{MB_TYPE_INTRA16x16,  0,  0},
{MB_TYPE_INTRA16x16,  3,  0},
{MB_TYPE_INTRA16x16,  2,  16},
{MB_TYPE_INTRA16x16,  1,  16},
{MB_TYPE_INTRA16x16,  0,  16},
{MB_TYPE_INTRA16x16,  3,  16},
{MB_TYPE_INTRA16x16,  2,  32},
{MB_TYPE_INTRA16x16,  1,  32},
{MB_TYPE_INTRA16x16,  0,  32},
{MB_TYPE_INTRA16x16,  3,  32},
{MB_TYPE_INTRA16x16,  2,  15+0},
{MB_TYPE_INTRA16x16,  1,  15+0},
{MB_TYPE_INTRA16x16,  0,  15+0},
{MB_TYPE_INTRA16x16,  3,  15+0},
{MB_TYPE_INTRA16x16,  2,  15+16},
{MB_TYPE_INTRA16x16,  1,  15+16},
{MB_TYPE_INTRA16x16,  0,  15+16},
{MB_TYPE_INTRA16x16,  3,  15+16},
{MB_TYPE_INTRA16x16,  2,  15+32},
{MB_TYPE_INTRA16x16,  1,  15+32},
{MB_TYPE_INTRA16x16,  0,  15+32},
{MB_TYPE_INTRA16x16,  3,  15+32},
{MB_TYPE_INTRA_PCM , -1, -1},
}

Definition at line 157 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and svq3_decode_mb().

const uint8_t luma_dc_field_scan[16] [static]

Initial value:

{
 0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64,
 2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64,
 0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64,
 1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64,
}

Definition at line 74 of file h264data.h.

const uint8_t luma_dc_zigzag_scan[16] [static]

Initial value:

{
 0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
 3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
 1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
 3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
}

Definition at line 67 of file h264data.h.

Referenced by svq3_decode_block().

const PMbInfo p_mb_type_info[5] [static]

const PMbInfo p_sub_mb_type_info[4] [static]

Initial value:

Definition at line 199 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

const uint8_t zigzag_scan[16] [static]

Initial value:

{
 0+0*4, 1+0*4, 0+1*4, 0+2*4,
 1+1*4, 2+0*4, 3+0*4, 2+1*4,
 1+2*4, 0+3*4, 1+3*4, 2+2*4,
 3+1*4, 3+2*4, 2+3*4, 3+3*4,
}

Definition at line 53 of file h264data.h.

Referenced by decode_block_coeffs_internal(), decode_scaling_list(), dv_init_enc_block(), fill_scaling_lists(), init_scan_tables(), and svq3_decode_block().

const uint8_t zigzag_scan8x8_cavlc[64] [static]

Initial value:

{
 0+0*8, 1+1*8, 1+2*8, 2+2*8,
 4+1*8, 0+5*8, 3+3*8, 7+0*8,
 3+4*8, 1+7*8, 5+3*8, 6+3*8,
 2+7*8, 6+4*8, 5+6*8, 7+5*8,
 1+0*8, 2+0*8, 0+3*8, 3+1*8,
 3+2*8, 0+6*8, 4+2*8, 6+1*8,
 2+5*8, 2+6*8, 6+2*8, 5+4*8,
 3+7*8, 7+3*8, 4+7*8, 7+6*8,
 0+1*8, 3+0*8, 0+4*8, 4+0*8,
 2+3*8, 1+5*8, 5+1*8, 5+2*8,
 1+6*8, 3+5*8, 7+1*8, 4+5*8,
 4+6*8, 7+4*8, 5+7*8, 6+7*8,
 0+2*8, 2+1*8, 1+3*8, 5+0*8,
 1+4*8, 2+4*8, 6+0*8, 4+3*8,
 0+7*8, 4+4*8, 7+2*8, 3+6*8,
 5+5*8, 6+5*8, 6+6*8, 7+7*8,
}

Definition at line 94 of file h264data.h.

Referenced by init_scan_tables().


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