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author | Fabrice Bellard <fabrice@bellard.org> | 2001-07-22 14:18:56 +0000 |
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committer | Fabrice Bellard <fabrice@bellard.org> | 2001-07-22 14:18:56 +0000 |
commit | de6d9b6404bfd1c589799142da5a95428f146edd (patch) | |
tree | 75ae0cbb74bdfafb6f1a40922db111a103db3bcf /libavcodec/h263data.h | |
parent | 1b58d58ddaf8a8c766a0353885ff504babed0453 (diff) | |
download | ffmpeg-de6d9b6404bfd1c589799142da5a95428f146edd.tar.gz |
Initial revision
Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h263data.h')
-rw-r--r-- | libavcodec/h263data.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/libavcodec/h263data.h b/libavcodec/h263data.h new file mode 100644 index 0000000000..4fd9d36298 --- /dev/null +++ b/libavcodec/h263data.h @@ -0,0 +1,115 @@ + +/* intra MCBPC, mb_type = (intra), then (intraq) */ +static const UINT8 intra_MCBPC_code[8] = { 1, 1, 2, 3, 1, 1, 2, 3 }; +static const UINT8 intra_MCBPC_bits[8] = { 1, 3, 3, 3, 4, 6, 6, 6 }; + +/* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */ +static const UINT8 inter_MCBPC_code[20] = { + 1, 3, 2, 5, + 3, 4, 3, 3, + 0, 1, 2, 3, + 4, 4, 3, 2, + 2, 5, 4, 5, +}; +static const UINT8 inter_MCBPC_bits[20] = { + 1, 4, 4, 6, + 5, 8, 8, 7, + 12, 12, 12, 12, + 6, 9, 9, 9, + 3, 7, 7, 8, +}; + +static const UINT8 cbpy_tab[16][2] = +{ + {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4}, + {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2} +}; + +static const UINT8 mvtab[33][2] = +{ + {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7}, + {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10}, + {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10}, + {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12}, + {2,12} +}; + +/* third non intra table */ +const UINT16 inter_vlc[103][2] = { +{ 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 }, +{ 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 }, +{ 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 }, +{ 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 }, +{ 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 }, +{ 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 }, +{ 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 }, +{ 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 }, +{ 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 }, +{ 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 }, +{ 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 }, +{ 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 }, +{ 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 }, +{ 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 }, +{ 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 }, +{ 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 }, +{ 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 }, +{ 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 }, +{ 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 }, +{ 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 }, +{ 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 }, +{ 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 }, +{ 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 }, +{ 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 }, +{ 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 }, +{ 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 }, +}; + +const INT8 inter_level[102] = { + 1, 2, 3, 4, 5, 6, 7, 8, + 9, 10, 11, 12, 1, 2, 3, 4, + 5, 6, 1, 2, 3, 4, 1, 2, + 3, 1, 2, 3, 1, 2, 3, 1, + 2, 3, 1, 2, 1, 2, 1, 2, + 1, 2, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 2, 3, 1, 2, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, +}; + +const INT8 inter_run[102] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 1, 1, 1, + 1, 1, 2, 2, 2, 2, 3, 3, + 3, 4, 4, 4, 5, 5, 5, 6, + 6, 6, 7, 7, 8, 8, 9, 9, + 10, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 0, 0, 0, 1, 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, +}; + +static RLTable rl_inter = { + 102, + 58, + inter_vlc, + inter_run, + inter_level, +}; + +static const UINT16 h263_format[8][2] = { + { 0, 0 }, + { 128, 96 }, + { 176, 144 }, + { 352, 288 }, + { 704, 576 }, + { 1408, 1152 }, +}; + |