FFmpeg: libavcodec/mpeg12data.c File Reference

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Variables

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,

}

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, 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,

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,

}

static const int8_t mpeg1_level[111]

Definition: mpeg12data.c:132

mpeg1_vlc

static const uint16_t mpeg1_vlc[113][2]

Definition: mpeg12data.c:66

mpeg1_run

static const int8_t mpeg1_run[111]

Definition: mpeg12data.c:149

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,

}

static const int8_t mpeg1_level[111]

Definition: mpeg12data.c:132

mpeg2_vlc

static const uint16_t mpeg2_vlc[113][2]

Definition: mpeg12data.c:99

mpeg1_run

static const int8_t mpeg1_run[111]

Definition: mpeg12data.c:149

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(), and mpegvideo_extract_headers().

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},

}

Definition at line 415 of file mpeg12data.c.

Referenced by mpeg1_encode_sequence_header(), and mpeg_decode_postinit().

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