H264 / AVC / MPEG4 part10 codec data table

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

Include dependency graph for h264data.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	IMbInfo

struct	PMbInfo

Typedefs
typedef struct IMbInfo	IMbInfo

typedef struct PMbInfo	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+1]

static const uint8_t	field_scan [16+1]

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+1]

static const uint8_t	field_scan8x8 [64+1]

static const uint8_t	field_scan8x8_cavlc [64+1]

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 micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at

Definition in file h264data.h.

Typedef Documentation

typedef struct IMbInfo IMbInfo

typedef struct PMbInfo PMbInfo

Variable Documentation

const PMbInfo b_mb_type_info[23]

static

Initial value:

= {
    { MB_TYPE_DIRECT2 | MB_TYPE_L0L1,                                              1, },
    { MB_TYPE_16x16   | MB_TYPE_P0L0,                                              1, },
    { MB_TYPE_16x16   | MB_TYPE_P0L1,                                              1, },
    { MB_TYPE_16x16   | MB_TYPE_P0L0 | MB_TYPE_P0L1,                               1, },
    { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P1L1,                               2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P1L1,                               2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L1 | MB_TYPE_P1L0,                               2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L1 | MB_TYPE_P1L0,                               2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0,                2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0,                2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1,                2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1,                2, },
    { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
    { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
    { MB_TYPE_8x8     | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
}

Definition at line 208 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

const PMbInfo b_sub_mb_type_info[13]

static

Initial value:

= {
    { MB_TYPE_DIRECT2,                                                           1, },
    { MB_TYPE_16x16 | MB_TYPE_P0L0,                                              1, },
    { MB_TYPE_16x16 | MB_TYPE_P0L1,                                              1, },
    { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1,                               1, },
    { MB_TYPE_16x8  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },
    { MB_TYPE_8x16  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },
    { MB_TYPE_16x8  | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },
    { MB_TYPE_8x16  | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },
    { MB_TYPE_16x8  | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
    { MB_TYPE_8x16  | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
    { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               4, },
    { MB_TYPE_8x8   | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               4, },
    { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
}

Definition at line 234 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

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 88 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 83 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 250 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 263 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 259 of file h264data.h.

Referenced by init_dequant8_coeff_table().

const uint8_t field_scan[16+1]

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 62 of file h264data.h.

Referenced by init_scan_tables().

const uint8_t field_scan8x8[64+1]

static

Initial value:

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

Definition at line 115 of file h264data.h.

Referenced by init_scan_tables().

const uint8_t field_scan8x8_cavlc[64+1]

static

Initial value:

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

Definition at line 134 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 49 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 43 of file h264data.h.

Referenced by ff_h264_decode_mb_cavlc(), and svq3_decode_mb().

const uint8_t golomb_to_pict_type[5]

static

Initial value:

= {
    AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I,
    AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI
}

Definition at line 38 of file h264data.h.

Referenced by decode_slice_header(), parse_nal_units(), and svq3_decode_slice_header().

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 159 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 76 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 69 of file h264data.h.

Referenced by svq3_decode_block().

const PMbInfo p_mb_type_info[5]

static

Initial value:

= {
    { MB_TYPE_16x16 | MB_TYPE_P0L0,                               1 },
    { MB_TYPE_16x8  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                2 },
    { MB_TYPE_8x16  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                2 },
    { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P1L0,                4 },
    { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 },
}

Definition at line 193 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

const PMbInfo p_sub_mb_type_info[4]

static

Initial value:

= {
    { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
    { MB_TYPE_16x8  | MB_TYPE_P0L0, 2 },
    { MB_TYPE_8x16  | MB_TYPE_P0L0, 2 },
    { MB_TYPE_8x8   | MB_TYPE_P0L0, 4 },
}

Definition at line 201 of file h264data.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

const uint8_t zigzag_scan[16+1]

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 55 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+1]

static

Initial value:

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

Definition at line 96 of file h264data.h.

Referenced by init_scan_tables().

Paris Hackday Code

Data Structures

Typedefs

Variables

Detailed Description

Typedef Documentation

Variable Documentation