mpeg12data.c File Reference

MPEG1/2 tables. More...

#include "mpeg12data.h"

Go to the source code of this file.

Variables
const uint16_t	ff_mpeg1_default_intra_matrix [256]
const uint16_t	ff_mpeg1_default_non_intra_matrix [64]
const uint16_t	ff_mpeg12_vlc_dc_lum_code [12]
const unsigned char	ff_mpeg12_vlc_dc_lum_bits [12]
const uint16_t	ff_mpeg12_vlc_dc_chroma_code [12]
const unsigned char	ff_mpeg12_vlc_dc_chroma_bits [12]
static const uint16_t	mpeg1_vlc [113][2]
static const uint16_t	mpeg2_vlc [113][2]
static const int8_t	mpeg1_level [111]
static const int8_t	mpeg1_run [111]
RLTable	ff_rl_mpeg1
RLTable	ff_rl_mpeg2
const uint8_t	ff_mpeg12_mbAddrIncrTable [36][2]
const uint8_t	ff_mpeg12_mbPatTable [64][2]
const uint8_t	ff_mpeg12_mbMotionVectorTable [17][2]
const AVRational	ff_mpeg12_frame_rate_tab [16]
const AVRational	ff_mpeg2_frame_rate_tab []
const float	ff_mpeg1_aspect [16]
const AVRational	ff_mpeg2_aspect [16]

Detailed Description

MPEG1/2 tables.

Definition in file mpeg12data.c.

Variable Documentation

const uint16_t ff_mpeg1_default_intra_matrix[256]

Initial value:

= {
        8, 16, 19, 22, 26, 27, 29, 34,
        16, 16, 22, 24, 27, 29, 34, 37,
        19, 22, 26, 27, 29, 34, 34, 38,
        22, 22, 26, 27, 29, 34, 37, 40,
        22, 26, 27, 29, 32, 35, 40, 48,
        26, 27, 29, 32, 35, 40, 48, 58,
        26, 27, 29, 34, 38, 46, 56, 69,
        27, 29, 35, 38, 46, 56, 69, 83
}

Definition at line 30 of file mpeg12data.c.

Referenced by calc_quant_matrix(), decode_init(), encode_init(), encode_picture(), ff_mpv_encode_init(), mdec_decode_block_intra(), mpeg1_decode_sequence(), tqi_calculate_qtable(), and vcr2_init_sequence().

const uint16_t ff_mpeg1_default_non_intra_matrix[64]

Initial value:

= {
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
}

Definition at line 41 of file mpeg12data.c.

Referenced by ff_mpv_encode_init(), mpeg1_decode_sequence(), and vcr2_init_sequence().

const uint16_t ff_mpeg12_vlc_dc_lum_code[12]

Initial value:

= {
    0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
}

Definition at line 52 of file mpeg12data.c.

Referenced by encode_dc(), ff_mpeg12_init_vlcs(), and ff_mpeg1_encode_init().

const unsigned char ff_mpeg12_vlc_dc_lum_bits[12]

Initial value:

= {
    3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
}

Definition at line 55 of file mpeg12data.c.

Referenced by encode_dc(), ff_mpeg12_init_vlcs(), and ff_mpeg1_encode_init().

const uint16_t ff_mpeg12_vlc_dc_chroma_code[12]

Initial value:

= {
    0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
}

Definition at line 59 of file mpeg12data.c.

Referenced by encode_dc(), ff_mpeg12_init_vlcs(), and ff_mpeg1_encode_init().

const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12]

Initial value:

= {
    2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
}

Definition at line 62 of file mpeg12data.c.

Referenced by encode_dc(), ff_mpeg12_init_vlcs(), and ff_mpeg1_encode_init().

const uint16_t mpeg1_vlc[113][2]

static

Definition at line 66 of file mpeg12data.c.

const uint16_t mpeg2_vlc[113][2]

static

Definition at line 99 of file mpeg12data.c.

const int8_t mpeg1_level[111]

static

Initial value:

= {
  1,  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,
  1,  2,  3,  4,  5,  6,  7,  8,
  9, 10, 11, 12, 13, 14, 15, 16,
 17, 18,  1,  2,  3,  4,  5,  1,
  2,  3,  4,  1,  2,  3,  1,  2,
  3,  1,  2,  3,  1,  2,  1,  2,
  1,  2,  1,  2,  1,  2,  1,  2,
  1,  2,  1,  2,  1,  2,  1,  2,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  1,  1,  1,  1,
}

Definition at line 132 of file mpeg12data.c.

const int8_t mpeg1_run[111]

static

Initial value:

= {
  0,  0,  0,  0,  0,  0,  0,  0,
  0,  0,  0,  0,  0,  0,  0,  0,
  0,  0,  0,  0,  0,  0,  0,  0,
  0,  0,  0,  0,  0,  0,  0,  0,
  0,  0,  0,  0,  0,  0,  0,  0,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  2,  2,  2,  2,  2,  3,
  3,  3,  3,  4,  4,  4,  5,  5,
  5,  6,  6,  6,  7,  7,  8,  8,
  9,  9, 10, 10, 11, 11, 12, 12,
 13, 13, 14, 14, 15, 15, 16, 16,
 17, 18, 19, 20, 21, 22, 23, 24,
 25, 26, 27, 28, 29, 30, 31,
}

Definition at line 149 of file mpeg12data.c.

RLTable ff_rl_mpeg1

Initial value:

= {
    111,
    111,
    mpeg1_vlc,
    mpeg1_run,
    mpeg1_level,
}

Definition at line 166 of file mpeg12data.c.

Referenced by decode_block_intra(), ff_mpeg12_init_vlcs(), ff_mpeg1_encode_init(), mdec_decode_block_intra(), mpeg1_decode_block_inter(), mpeg1_decode_block_intra(), mpeg1_encode_block(), mpeg1_fast_decode_block_inter(), mpeg2_decode_block_intra(), mpeg2_decode_block_non_intra(), mpeg2_fast_decode_block_intra(), and mpeg2_fast_decode_block_non_intra().

RLTable ff_rl_mpeg2

Initial value:

= {
    111,
    111,
    mpeg2_vlc,
    mpeg1_run,
    mpeg1_level,
}

Definition at line 174 of file mpeg12data.c.

Referenced by ff_mpeg12_init_vlcs(), ff_mpeg1_encode_init(), mpeg1_encode_block(), mpeg2_decode_block_intra(), and mpeg2_fast_decode_block_intra().

const uint8_t ff_mpeg12_mbAddrIncrTable[36][2]

Definition at line 182 of file mpeg12data.c.

Referenced by encode_mb_skip_run(), and ff_mpeg12_init_vlcs().

const uint8_t ff_mpeg12_mbPatTable[64][2]

Definition at line 221 of file mpeg12data.c.

Referenced by ff_mpeg12_init_vlcs(), and mpeg1_encode_mb_internal().

const uint8_t ff_mpeg12_mbMotionVectorTable[17][2]

Initial value:

= {
{ 0x1, 1 },
{ 0x1, 2 },
{ 0x1, 3 },
{ 0x1, 4 },
{ 0x3, 6 },
{ 0x5, 7 },
{ 0x4, 7 },
{ 0x3, 7 },
{ 0xb, 9 },
{ 0xa, 9 },
{ 0x9, 9 },
{ 0x11, 10 },
{ 0x10, 10 },
{ 0xf, 10 },
{ 0xe, 10 },
{ 0xd, 10 },
{ 0xc, 10 },
}

Definition at line 288 of file mpeg12data.c.

Referenced by ff_mpeg12_init_vlcs(), ff_mpeg1_encode_init(), and mpeg1_encode_motion().

const AVRational ff_mpeg12_frame_rate_tab[16]

Initial value:

= {
    {    0,    0},
    {24000, 1001},
    {   24,    1},
    {   25,    1},
    {30000, 1001},
    {   30,    1},
    {   50,    1},
    {60000, 1001},
    {   60,    1},
  
    {   15,    1},
  
    {    5,    1},
    {   10,    1},
    {   12,    1},
    {   15,    1},
    {    0,    0},
}

Definition at line 308 of file mpeg12data.c.

Referenced by decode_seq_header(), encode_init(), find_frame_rate_index(), mpeg12_class(), mpeg1_encode_sequence_header(), mpegvideo_extract_headers(), and parse_source_parameters().

const AVRational ff_mpeg2_frame_rate_tab[]

Definition at line 328 of file mpeg12data.c.

const float ff_mpeg1_aspect[16]

Initial value:

={
    0.0000,
    1.0000,
    0.6735,
    0.7031,

    0.7615,
    0.8055,
    0.8437,
    0.8935,

    0.9157,
    0.9815,
    1.0255,
    1.0695,

    1.0950,
    1.1575,
    1.2015,
}

Definition at line 394 of file mpeg12data.c.

Referenced by mpeg1_encode_sequence_header(), and mpeg_decode_postinit().

const AVRational ff_mpeg2_aspect[16]

Initial value:

={
    {0,1},
    {1,1},
    {4,3},
    {16,9},
    {221,100},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
    {0,1},
}

Definition at line 415 of file mpeg12data.c.

Referenced by mpeg1_encode_sequence_header(), and mpeg_decode_postinit().