X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpeg12data.h;h=16d607067fee9f31d96c59a843396a9d5dfdbb3c;hb=d5a21172283572af587b3d939eba0091484d3263;hp=4f6a95b79902e8cf67e78242086839700380ba48;hpb=689b775b8522286a3f50c134391caeb58abea506;p=ffmpeg diff --git a/libavcodec/mpeg12data.h b/libavcodec/mpeg12data.h index 4f6a95b7990..16d607067fe 100644 --- a/libavcodec/mpeg12data.h +++ b/libavcodec/mpeg12data.h @@ -1,8 +1,9 @@ -/* - * MPEG1/2 tables +/** + * @file mpeg12data.h + * MPEG1/2 tables. */ -INT16 default_intra_matrix[64] = { +const int16_t ff_mpeg1_default_intra_matrix[64] = { 8, 16, 19, 22, 26, 27, 29, 34, 16, 16, 22, 24, 27, 29, 34, 37, 19, 22, 26, 27, 29, 34, 34, 38, @@ -13,7 +14,7 @@ INT16 default_intra_matrix[64] = { 27, 29, 35, 38, 46, 56, 69, 83 }; -INT16 default_non_intra_matrix[64] = { +const int16_t ff_mpeg1_default_non_intra_matrix[64] = { 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, @@ -47,21 +48,25 @@ const unsigned char vlc_dc_table[256] = { 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, }; -const UINT16 vlc_dc_lum_code[12] = { +const uint16_t vlc_dc_lum_code[12] = { 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, }; const unsigned char vlc_dc_lum_bits[12] = { 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, }; -const UINT16 vlc_dc_chroma_code[12] = { +const uint16_t vlc_dc_chroma_code[12] = { 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, }; const unsigned char vlc_dc_chroma_bits[12] = { 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, }; -static const UINT16 mpeg1_vlc[113][2] = { +/* simple include everything table for dc, first byte is bits number next 3 are code*/ +static uint32_t mpeg1_lum_dc_uni[512]; +static uint32_t mpeg1_chr_dc_uni[512]; + +static const uint16_t mpeg1_vlc[113][2] = { { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 }, { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 }, { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 }, @@ -94,7 +99,7 @@ static const UINT16 mpeg1_vlc[113][2] = { { 0x2, 2 }, /* EOB */ }; -static const UINT16 mpeg2_vlc[113][2] = { +static const uint16_t mpeg2_vlc[113][2] = { {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5}, {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7}, {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8}, @@ -127,7 +132,7 @@ static const UINT16 mpeg2_vlc[113][2] = { {0x06,4}, /* EOB */ }; -static const INT8 mpeg1_level[111] = { +static const int8_t mpeg1_level[111] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, @@ -144,7 +149,7 @@ static const INT8 mpeg1_level[111] = { 1, 1, 1, 1, 1, 1, 1, }; -static const INT8 mpeg1_run[111] = { +static const int8_t mpeg1_run[111] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -161,6 +166,9 @@ static const INT8 mpeg1_run[111] = { 25, 26, 27, 28, 29, 30, 31, }; +static uint8_t mpeg1_index_run[2][64]; +static int8_t mpeg1_max_level[2][64]; + static RLTable rl_mpeg1 = { 111, 111, @@ -177,7 +185,7 @@ static RLTable rl_mpeg2 = { mpeg1_level, }; -static const UINT8 mbAddrIncrTable[35][2] = { +static const uint8_t mbAddrIncrTable[35][2] = { {0x1, 1}, {0x3, 3}, {0x2, 3}, @@ -215,7 +223,7 @@ static const UINT8 mbAddrIncrTable[35][2] = { {0xf, 11}, /* stuffing */ }; -static const UINT8 mbPatTable[63][2] = { +static const uint8_t mbPatTable[63][2] = { {0xb, 5}, {0x9, 5}, {0xd, 6}, @@ -287,31 +295,77 @@ static const UINT8 mbPatTable[63][2] = { #define MB_FOR 0x08 #define MB_QUANT 0x10 -static const UINT8 table_mb_ptype[32][2] = { - [ MB_FOR|MB_PAT ] { 1, 1 }, - [ MB_PAT ] { 1, 2 }, - [ MB_FOR ] { 1, 3 }, - [ MB_INTRA ] { 3, 5 }, - [ MB_QUANT|MB_FOR|MB_PAT ] { 2, 5 }, - [ MB_QUANT|MB_PAT ] { 1, 5 }, - [ MB_QUANT|MB_INTRA ] { 1, 6 }, +static const uint8_t table_mb_ptype[32][2] = { + { 0, 0 }, // 0x00 + { 3, 5 }, // 0x01 MB_INTRA + { 1, 2 }, // 0x02 MB_PAT + { 0, 0 }, // 0x03 + { 0, 0 }, // 0x04 + { 0, 0 }, // 0x05 + { 0, 0 }, // 0x06 + { 0, 0 }, // 0x07 + { 1, 3 }, // 0x08 MB_FOR + { 0, 0 }, // 0x09 + { 1, 1 }, // 0x0A MB_FOR|MB_PAT + { 0, 0 }, // 0x0B + { 0, 0 }, // 0x0C + { 0, 0 }, // 0x0D + { 0, 0 }, // 0x0E + { 0, 0 }, // 0x0F + { 0, 0 }, // 0x10 + { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA + { 1, 5 }, // 0x12 MB_QUANT|MB_PAT + { 0, 0 }, // 0x13 + { 0, 0 }, // 0x14 + { 0, 0 }, // 0x15 + { 0, 0 }, // 0x16 + { 0, 0 }, // 0x17 + { 0, 0 }, // 0x18 + { 0, 0 }, // 0x19 + { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT + { 0, 0 }, // 0x1B + { 0, 0 }, // 0x1C + { 0, 0 }, // 0x1D + { 0, 0 }, // 0x1E + { 0, 0 }, // 0x1F }; -static const UINT8 table_mb_btype[32][2] = { - [ MB_FOR|MB_BACK ] { 2, 2 }, - [ MB_FOR|MB_BACK|MB_PAT ] { 3, 2 }, - [ MB_BACK ] { 2, 3 }, - [ MB_BACK|MB_PAT ] { 3, 3 }, - [ MB_FOR ] { 2, 4 }, - [ MB_FOR|MB_PAT ] { 3, 4 }, - [ MB_INTRA ] { 3, 5 }, - [ MB_QUANT|MB_FOR|MB_BACK|MB_PAT ] { 2, 5 }, - [ MB_QUANT|MB_FOR|MB_PAT ] { 3, 6 }, - [ MB_QUANT|MB_BACK|MB_PAT ] { 2, 6 }, - [ MB_QUANT|MB_INTRA ] { 1, 6 }, +static const uint8_t table_mb_btype[32][2] = { + { 0, 0 }, // 0x00 + { 3, 5 }, // 0x01 MB_INTRA + { 0, 0 }, // 0x02 + { 0, 0 }, // 0x03 + { 2, 3 }, // 0x04 MB_BACK + { 0, 0 }, // 0x05 + { 3, 3 }, // 0x06 MB_BACK|MB_PAT + { 0, 0 }, // 0x07 + { 2, 4 }, // 0x08 MB_FOR + { 0, 0 }, // 0x09 + { 3, 4 }, // 0x0A MB_FOR|MB_PAT + { 0, 0 }, // 0x0B + { 2, 2 }, // 0x0C MB_FOR|MB_BACK + { 0, 0 }, // 0x0D + { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT + { 0, 0 }, // 0x0F + { 0, 0 }, // 0x10 + { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA + { 0, 0 }, // 0x12 + { 0, 0 }, // 0x13 + { 0, 0 }, // 0x14 + { 0, 0 }, // 0x15 + { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT + { 0, 0 }, // 0x17 + { 0, 0 }, // 0x18 + { 0, 0 }, // 0x19 + { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT + { 0, 0 }, // 0x1B + { 0, 0 }, // 0x1C + { 0, 0 }, // 0x1D + { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT + { 0, 0 }, // 0x1F }; -static const UINT8 mbMotionVectorTable[17][2] = { +static const uint8_t mbMotionVectorTable[17][2] = { { 0x1, 1 }, { 0x1, 2 }, { 0x1, 3 }, @@ -331,21 +385,71 @@ static const UINT8 mbMotionVectorTable[17][2] = { { 0xc, 10 }, }; -static const int frame_rate_tab[9] = { - 0, - (int)(23.976 * FRAME_RATE_BASE), - (int)(24 * FRAME_RATE_BASE), - (int)(25 * FRAME_RATE_BASE), - (int)(29.97 * FRAME_RATE_BASE), - (int)(30 * FRAME_RATE_BASE), - (int)(50 * FRAME_RATE_BASE), - (int)(59.94 * FRAME_RATE_BASE), - (int)(60 * FRAME_RATE_BASE), +#define MPEG1_FRAME_RATE_BASE 1001 + +static const int frame_rate_tab[16] = { + 0, + 24000, + 24024, + 25025, + 30000, + 30030, + 50050, + 60000, + 60060, + // Xing's 15fps: (9) + 15015, + // libmpeg3's "Unofficial economy rates": (10-13) + 5005, + 10010, + 12012, + 15015, + // random, just to avoid segfault !never encode these + 25025, + 25025, }; -static const UINT8 non_linear_qscale[32] = { +static const uint8_t non_linear_qscale[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8,10,12,14,16,18,20,22, 24,28,32,36,40,44,48,52, 56,64,72,80,88,96,104,112, }; + +uint8_t ff_mpeg1_dc_scale_table[128]={ // MN: mpeg2 really can have such large qscales? +// 0 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 + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, +}; + +static const float mpeg1_aspect[16]={ + 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, +}; + +static const float mpeg2_aspect[16]={ + 0, + 1.0, + -3.0/4.0, + -9.0/16.0, + -1.0/2.21, +}; +