diff options
author | Francesco Lavra <francescolavra@interfree.it> | 2010-06-11 08:01:51 +0000 |
---|---|---|
committer | Vitor Sessak <vitor1001@gmail.com> | 2010-06-11 08:01:51 +0000 |
commit | 0acaf8b0f219470d843cb2e8f1943c6e88ad76bc (patch) | |
tree | f20c66748fa379f9db0d335438d01ddc91895409 /libavcodec/ra144.h | |
parent | ede13f55f00dd6c56897fd4bc88c202b2f087455 (diff) | |
download | ffmpeg-0acaf8b0f219470d843cb2e8f1943c6e88ad76bc.tar.gz |
Split ra144.c in common code (to be shared with the future encoder) and
decoder.
Patch by Francesco Lavra (firstnamelastname@interfree.it)
Originally committed as revision 23573 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ra144.h')
-rw-r--r-- | libavcodec/ra144.h | 1523 |
1 files changed, 45 insertions, 1478 deletions
diff --git a/libavcodec/ra144.h b/libavcodec/ra144.h index 4413530c06..8b350c5fea 100644 --- a/libavcodec/ra144.h +++ b/libavcodec/ra144.h @@ -24,1483 +24,50 @@ #include <stdint.h> -static const int16_t gain_val_tab[256][3] = { - { 541, 956, 768}, { 877, 581, 568}, { 675,1574, 635}, {1248,1464, 668}, - {1246, 839, 1394}, {2560,1386, 991}, { 925, 687, 608}, {2208, 797, 1144}, - { 535, 832, 799}, { 762, 605, 1154}, { 832,1122, 1003}, {1180, 687, 1176}, - {1292, 901, 732}, {1656, 689, 896}, {1750,1248, 848}, {2284, 942, 1022}, - { 824,1472, 643}, { 517, 765, 512}, { 562,1816, 1522}, { 694,1826, 2700}, - { 704, 524, 672}, {1442, 757, 2232}, { 884, 551, 1266}, {2232,1007, 1692}, - { 932, 746, 777}, {1132, 822, 926}, {1226, 771, 611}, {2948,1342, 1008}, - {1302, 594, 1158}, {1602, 636, 1128}, {3408, 910, 1438}, {1996, 614, 575}, - { 665, 935, 628}, { 631,1192, 829}, { 644, 926, 1052}, { 879, 988, 1226}, - { 941,2768, 2772}, { 565,1344, 2304}, { 547, 628, 740}, { 639, 532, 1074}, - { 955,1208, 598}, {1124,1160, 900}, {1206, 899, 1242}, { 746, 533, 624}, - {1458,1028, 735}, {1706,1102, 692}, {1898,1018, 1004}, {2176, 988, 735}, - {1578, 782, 1642}, { 897, 516, 754}, {2068, 702, 1656}, {2344, 818, 1526}, - { 907, 652, 592}, {1056, 652, 642}, {2124,1416, 780}, {2664,1250, 727}, - {1894, 727, 1108}, {2196, 657, 981}, {4840, 920, 1704}, {4992,1238, 983}, - {2420, 909, 1094}, {2760, 935, 1032}, {2800, 612, 853}, {3068, 832, 574}, - { 523,1796, 923}, { 722,1916, 1382}, {1226,1542, 928}, { 758, 757, 584}, - { 512,1134, 577}, { 615,1276, 698}, { 574,2568, 2356}, { 993,2728, 3512}, - { 539, 890, 913}, { 694, 928, 1088}, { 805, 600, 1360}, {2160, 951, 3128}, - { 816, 950, 590}, { 955, 847, 811}, {1094, 883, 556}, {1304, 888, 604}, - { 863,1170, 855}, {1023, 997, 1032}, { 932,1228, 1280}, { 627, 564, 573}, - { 876, 900, 1448}, {1030, 857, 1792}, {1294, 953, 1758}, {1612, 854, 1714}, - {1090,1166, 631}, {1314,1202, 751}, {1480, 905, 795}, {1682,1016, 568}, - {1494,1178, 983}, { 878, 613, 526}, {1728,1446, 779}, {2136,1348, 774}, - { 950, 649, 939}, {1180, 703, 899}, {1236, 527, 1158}, {1450, 647, 972}, - {1282, 647, 707}, {1460, 663, 644}, {1614, 572, 578}, {3516,1222, 821}, - {2668, 729, 1682}, {3128, 585, 1502}, {3208, 733, 976}, {6800, 871, 1416}, - {3480, 743, 1408}, {3764, 899, 1170}, {3772, 632, 875}, {4092, 732, 638}, - {3112, 753, 2620}, {3372, 945, 1890}, {3768, 969, 2288}, {2016, 559, 854}, - {1736, 729, 787}, {1940, 686, 547}, {2140, 635, 674}, {4480,1272, 828}, - {3976, 592, 1666}, {4384, 621, 1388}, {4400, 801, 955}, {4656, 522, 646}, - {4848, 625, 1636}, {4984, 591, 874}, {5352, 535, 1001}, {11216,938, 1184}, - { 925,3280, 1476}, { 735,1580, 1088}, {1150,1576, 674}, { 655, 783, 528}, - { 527,2052, 1354}, { 782,1704, 1880}, { 578, 910, 1026}, { 692, 882, 1468}, - { 586, 683, 715}, { 739, 609, 717}, { 778, 773, 697}, { 922, 785, 813}, - { 766, 651, 984}, { 978, 596, 1030}, {1070, 757, 1080}, {1324, 687, 1178}, - {1108,2144, 979}, { 723, 982, 690}, { 936, 956, 527}, {1180,1002, 547}, - { 517,1306, 825}, { 832,1184, 974}, {1024, 957, 903}, {1262,1090, 906}, - {1028, 720, 649}, {1192, 679, 694}, {2468,1480, 979}, {2844,1370, 877}, - {1310, 835, 848}, {1508, 839, 698}, {1742,1030, 769}, {1910, 852, 573}, - {1280, 859, 1174}, {1584, 863, 1108}, {1686, 708, 1364}, {1942, 768, 1104}, - { 891, 536, 690}, {1016, 560, 663}, {2172, 870, 1348}, {2404, 999, 1170}, - {1890, 966, 889}, {2116, 912, 777}, {2296,1020, 714}, {4872,1844, 932}, - {2392, 778, 929}, {2604, 772, 744}, {2764, 957, 722}, {5832,1532, 984}, - {2188, 519, 1264}, {2332, 532, 922}, {5064, 995, 2412}, {2708, 571, 874}, - {2408, 545, 666}, {5016,1084, 875}, {5376, 983, 1196}, {5536, 979, 730}, - {5344, 634, 1744}, {5688, 706, 1348}, {5912, 977, 1190}, {6072, 905, 763}, - {6048, 582, 1526}, {11968,1013,1816}, {12864,937, 1900}, {12560,1086, 998}, - {1998, 684, 1884}, {2504, 633, 1992}, {1252, 567, 835}, {1478, 571, 973}, - {2620, 769, 1414}, {2808, 952, 1142}, {2908, 712, 1028}, {2976, 686, 741}, - {1462, 552, 714}, {3296, 991, 1452}, {1590, 615, 544}, {3480,1150, 824}, - {3212, 832, 923}, {3276, 839, 531}, {3548, 786, 852}, {3732, 764, 570}, - {5728, 906, 2616}, {6272, 804, 2252}, {3096, 535, 876}, {3228, 598, 649}, - {6536, 759, 1436}, {6648, 993, 846}, {6864, 567, 1210},{14016,1012, 1302}, - {3408, 548, 1098}, {7160,1008, 1742}, {7136,1000, 1182}, {7480,1032, 836}, - {7448, 612, 1552}, {7744, 614, 816}, {8384, 777, 1438}, {8784, 694, 786}, - { 882,1508, 1068}, { 597, 837, 766}, {1270, 954, 1408}, { 803, 550, 798}, - {1398,1308, 798}, {1848,1534, 738}, { 970, 675, 608}, {1264, 706, 684}, - {1716, 767, 1126}, {2108, 765, 1404}, {2236, 924, 1003}, {2472,1048, 611}, - { 999, 942, 963}, {1094, 857, 935}, {2936, 926, 1138}, {1934, 746, 551}, - {3336, 633, 1762}, {3764, 701, 1454}, {1890, 564, 636}, {4096,1126, 793}, - {3936, 556, 1140}, {3936, 540, 740}, {4216, 764, 874}, {8480,1328, 1014}, - {2184, 515, 1042}, {4432, 934, 1344}, {4784, 945, 1112}, {5016,1062, 733}, - {9216,1020, 2028}, {9968, 924, 1188}, {5424, 909, 1206}, {6512, 744, 1086} -}; - -static const uint8_t gain_exp_tab[256] = { - 15, 15, 15, 15, 15, 16, 14, 15, 14, 14, 14, 14, 14, 14, 14, 14, - 14, 13, 14, 14, 13, 14, 13, 14, 13, 13, 13, 14, 13, 13, 14, 13, - 13, 13, 13, 13, 14, 13, 12, 12, 13, 13, 13, 12, 13, 13, 13, 13, - 13, 12, 13, 13, 12, 12, 13, 13, 13, 13, 14, 14, 13, 13, 13, 13, - 13, 13, 13, 12, 12, 12, 13, 13, 12, 12, 12, 13, 12, 12, 12, 12, - 12, 12, 12, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 13, 13, 13, 13, - 13, 13, 13, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, - 13, 12, 12, 11, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 11, 11, 11, 11, - 12, 12, 12, 12, 11, 11, 12, 12, 12, 12, 12, 13, 12, 12, 12, 13, - 12, 12, 13, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, - 12, 12, 11, 11, 12, 12, 12, 12, 11, 12, 11, 12, 12, 12, 12, 12, - 13, 13, 12, 12, 13, 13, 13, 14, 12, 13, 13, 13, 13, 13, 13, 13, - 11, 10, 11, 10, 11, 11, 10, 10, 11, 11, 11, 11, 10, 9, 11, 10, - 12, 12, 11, 12, 12, 12, 12, 13, 11, 12, 12, 12, 13, 13, 12, 12 -}; - -static const int8_t cb1_vects[128][40]={ - { - 38, -4, 15, -4, 14, -13, 12, -11, -2, -6, - -6, -11, -45, -16, -11, -13, -7, 6, -12, 4, - -20, 3, -16, 12, -1, 12, 46, 24, 0, 33, - -3, 9, -12, -12, -8, -7, 17, -6, 0, -2, - }, { - 60, -16, 3, -22, 10, -32, 0, -28, -17, -18, - -3, -25, -37, -23, -10, 3, 2, 3, 0, 3, - -14, 0, -14, -1, 0, 2, 32, 9, -1, 25, - 7, 13, -5, 13, 8, 1, 2, 8, -10, 6, - }, { - 27, -12, 28, -2, 6, -7, 15, 9, -11, 1, - -13, -11, -40, 4, -29, -14, -19, -5, -23, -8, - -30, -13, -17, 0, -14, 12, 34, 20, -2, 25, - 2, -16, -4, -12, 15, 16, 29, 7, 24, 10, - }, { - 49, -24, 16, -20, 2, -26, 2, -7, -25, -10, - -11, -25, -32, -3, -27, 2, -8, -8, -11, -9, - -24, -17, -16, -14, -13, 2, 20, 5, -4, 17, - 14, -12, 3, 13, 33, 25, 14, 23, 15, 19, - }, { - 46, -6, 21, 8, -2, -16, -5, -8, -11, 4, - 8, 15, -24, 4, -2, -26, -3, -16, -16, -14, - -9, -2, -1, 4, 19, 7, 36, 17, 9, 13, - 0, 31, -5, -12, 7, -8, 11, -15, -13, -4, - }, { - 68, -18, 9, -9, -6, -35, -18, -25, -26, -7, - 10, 1, -16, -3, -1, -9, 6, -19, -4, -15, - -4, -6, 0, -8, 20, -2, 23, 2, 7, 5, - 12, 35, 1, 13, 24, 0, -3, 0, -22, 4, - }, { - 35, -14, 34, 10, -10, -10, -1, 12, -20, 12, - 0, 15, -18, 24, -20, -27, -14, -28, -27, -27, - -20, -19, -2, -8, 5, 7, 25, 13, 5, 5, - 6, 5, 2, -12, 31, 15, 23, -1, 12, 8, - }, { - 57, -26, 22, -7, -14, -28, -14, -3, -35, 0, - 3, 1, -11, 16, -18, -10, -4, -31, -15, -28, - -14, -23, -1, -21, 7, -2, 11, -1, 3, -1, - 18, 9, 10, 13, 49, 24, 8, 14, 2, 16, - }, { - 25, 15, 22, 11, 18, 4, 15, -22, 8, -2, - -17, -9, -48, -20, -30, -17, -16, 11, -1, 16, - 2, 10, -5, 26, -2, -4, 22, 0, 2, 10, - -6, 13, -14, 10, -23, 0, 10, -2, 1, 0, - }, { - 47, 3, 11, -6, 15, -13, 2, -38, -6, -13, - -15, -22, -40, -28, -28, 0, -5, 8, 10, 15, - 7, 7, -4, 13, -1, -14, 9, -14, 0, 2, - 4, 18, -7, 36, -6, 8, -3, 13, -7, 8, - }, { - 14, 7, 36, 13, 10, 10, 18, 0, 0, 5, - -25, -8, -43, 0, -48, -18, -27, 0, -12, 3, - -7, -6, -7, 13, -15, -5, 11, -3, 0, 2, - 0, -12, -6, 10, 0, 23, 22, 11, 26, 12, - }, { - 36, -5, 24, -4, 7, -7, 6, -17, -14, -5, - -22, -22, -35, -8, -46, -1, -17, -3, 0, 2, - -2, -10, -5, 0, -14, -15, -2, -18, -2, -4, - 11, -7, 1, 36, 18, 32, 7, 27, 17, 20, - }, { - 33, 13, 29, 24, 1, 1, -2, -18, 0, 9, - -3, 17, -27, 0, -21, -30, -12, -11, -5, -2, - 12, 4, 9, 19, 18, -9, 13, -6, 11, -8, - -2, 35, -8, 10, -7, -1, 4, -11, -10, -2, - }, { - 55, 1, 17, 6, -1, -16, -15, -35, -15, -2, - 0, 4, -19, -8, -20, -13, -1, -14, 7, -3, - 18, 0, 10, 5, 19, -19, 0, -21, 8, -16, - 9, 39, 0, 36, 10, 7, -9, 4, -20, 5, - }, { - 22, 5, 42, 26, -6, 8, 1, 2, -9, 17, - -10, 18, -21, 19, -39, -31, -23, -23, -16, -15, - 2, -12, 7, 6, 5, -9, 1, -10, 7, -16, - 4, 9, 0, 10, 17, 22, 16, 2, 14, 9, - }, { - 44, -6, 30, 8, -9, -10, -11, -14, -23, 5, - -8, 4, -14, 12, -37, -14, -12, -26, -4, -16, - 8, -16, 9, -7, 6, -19, -12, -25, 5, -24, - 15, 13, 8, 36, 34, 31, 1, 18, 4, 18, - }, { - -3, -5, -9, -7, 15, -1, 5, 13, 2, 12, - 5, 2, -21, -23, -2, -16, 0, 5, -6, 13, - -23, 3, -32, 10, -15, 8, 44, 28, 9, 37, - -2, 13, -9, -15, -12, -27, -7, -12, 0, -11, - }, { - 18, -17, -21, -25, 11, -19, -6, -3, -11, 0, - 7, -11, -13, -31, -1, 0, 9, 1, 5, 12, - -18, 0, -31, -2, -13, -1, 30, 14, 7, 29, - 9, 18, -1, 10, 4, -18, -22, 3, -10, -2, - }, { - -13, -13, 3, -5, 7, 4, 9, 34, -5, 20, - -2, 3, -16, -3, -20, -17, -11, -7, -17, 0, - -34, -13, -33, -2, -28, 8, 32, 24, 5, 29, - 3, -12, 0, -15, 11, -3, 3, 2, 24, 1, - }, { - 8, -25, -8, -23, 3, -13, -3, 17, -20, 8, - 0, -10, -8, -11, -18, 0, -1, -10, -5, 0, - -28, -17, -32, -15, -26, -1, 19, 9, 3, 21, - 15, -7, 6, 9, 29, 5, -10, 17, 15, 9, - }, { - 4, -6, -3, 5, -1, -4, -11, 16, -6, 23, - 19, 29, 0, -3, 6, -30, 3, -17, -10, -5, - -13, -2, -17, 3, 5, 3, 35, 21, 17, 17, - 2, 35, -2, -15, 3, -28, -13, -21, -13, -13, - }, { - 26, -19, -15, -12, -5, -22, -24, 0, -21, 12, - 21, 15, 8, -11, 7, -12, 14, -20, 2, -6, - -7, -6, -16, -9, 6, -5, 21, 7, 15, 10, - 13, 39, 5, 10, 20, -19, -28, -5, -22, -5, - }, { - -5, -15, 9, 7, -9, 2, -8, 37, -14, 31, - 11, 29, 5, 16, -11, -30, -7, -29, -21, -18, - -23, -19, -18, -9, -7, 3, 23, 17, 14, 9, - 8, 9, 6, -15, 27, -4, -2, -6, 12, -1, - }, { - 16, -27, -2, -10, -13, -16, -20, 20, -29, 20, - 14, 16, 13, 8, -9, -13, 2, -33, -9, -19, - -17, -23, -17, -22, -6, -6, 9, 2, 12, 2, - 20, 13, 13, 10, 45, 4, -16, 8, 2, 7, - }, { - -16, 14, -2, 8, 20, 17, 9, 2, 14, 16, - -6, 5, -24, -28, -21, -20, -8, 9, 4, 25, - -1, 11, -22, 24, -15, -8, 21, 5, 11, 14, - -5, 18, -11, 7, -27, -20, -14, -7, 1, -9, - }, { - 6, 2, -14, -9, 16, -1, -3, -14, 0, 5, - -3, -8, -16, -36, -19, -3, 1, 6, 17, 24, - 4, 7, -21, 11, -14, -18, 7, -9, 9, 7, - 6, 22, -3, 33, -10, -11, -28, 7, -7, 0, - }, { - -26, 6, 11, 10, 12, 23, 12, 23, 5, 24, - -13, 5, -19, -8, -38, -21, -20, -2, -6, 12, - -11, -5, -23, 11, -29, -9, 9, 0, 7, 6, - 1, -7, -2, 7, -3, 3, -2, 6, 27, 3, - }, { - -4, -6, 0, -7, 8, 4, 0, 6, -9, 13, - -11, -7, -11, -15, -37, -4, -9, -5, 5, 11, - -5, -9, -22, -1, -27, -18, -4, -14, 5, 0, - 12, -3, 4, 32, 14, 12, -17, 22, 17, 11, - }, { - -8, 12, 3, 21, 3, 14, -8, 5, 4, 28, - 7, 32, -2, -8, -12, -34, -4, -12, 1, 6, - 9, 4, -7, 17, 4, -13, 11, -1, 19, -4, - 0, 39, -4, 7, -11, -21, -20, -16, -10, -11, - }, { - 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-7, 11, 13, 31, 1, 0, -9, -1, -5, -12, - 18, 0, 31, 2, 13, 1, -30, -14, -7, -29, - -9, -18, 1, -10, -4, 18, 22, -3, 10, 2, - }, { - 3, 5, 9, 7, -15, 1, -5, -13, -2, -12, - -5, -2, 21, 23, 2, 16, 0, -5, 6, -13, - 23, -3, 32, -10, 15, -8, -44, -28, -9, -37, - 2, -13, 9, 15, 12, 27, 7, 12, 0, 11, - }, { - -44, 6, -30, -8, 9, 10, 11, 14, 23, -5, - 8, -4, 14, -12, 37, 14, 12, 26, 4, 16, - -8, 16, -9, 7, -6, 19, 12, 25, -5, 24, - -15, -13, -8, -36, -34, -31, -1, -18, -4, -18, - }, { - -22, -5, -42, -26, 6, -8, -1, -2, 9, -17, - 10, -18, 21, -19, 39, 31, 23, 23, 16, 15, - -2, 12, -7, -6, -5, 9, -1, 10, -7, 16, - -4, -9, 0, -10, -17, -22, -16, -2, -14, -9, - }, { - -55, -1, -17, -6, 1, 16, 15, 35, 15, 2, - 0, -4, 19, 8, 20, 13, 1, 14, -7, 3, - -18, 0, -10, -5, -19, 19, 0, 21, -8, 16, - -9, -39, 0, -36, -10, -7, 9, -4, 20, -5, - }, { - -33, -13, -29, -24, -1, -1, 2, 18, 0, -9, - 3, -17, 27, 0, 21, 30, 12, 11, 5, 2, - -12, -4, -9, -19, -18, 9, -13, 6, -11, 8, - 2, -35, 8, -10, 7, 1, -4, 11, 10, 2, - 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-6, -5, -2, 12, -31, -15, -23, 1, -12, -8, - }, { - -68, 18, -9, 9, 6, 35, 18, 25, 26, 7, - -10, -1, 16, 3, 1, 9, -6, 19, 4, 15, - 4, 6, 0, 8, -20, 2, -23, -2, -7, -5, - -12, -35, -1, -13, -24, 0, 3, 0, 22, -4, - }, { - -46, 6, -21, -8, 2, 16, 5, 8, 11, -4, - -8, -15, 24, -4, 2, 26, 3, 16, 16, 14, - 9, 2, 1, -4, -19, -7, -36, -17, -9, -13, - 0, -31, 5, 12, -7, 8, -11, 15, 13, 4, - }, { - -49, 24, -16, 20, -2, 26, -2, 7, 25, 10, - 11, 25, 32, 3, 27, -2, 8, 8, 11, 9, - 24, 17, 16, 14, 13, -2, -20, -5, 4, -17, - -14, 12, -3, -13, -33, -25, -14, -23, -15, -19, - }, { - -27, 12, -28, 2, -6, 7, -15, -9, 11, -1, - 13, 11, 40, -4, 29, 14, 19, 5, 23, 8, - 30, 13, 17, 0, 14, -12, -34, -20, 2, -25, - -2, 16, 4, 12, -15, -16, -29, -7, -24, -10, - }, { - -60, 16, -3, 22, -10, 32, 0, 28, 17, 18, - 3, 25, 37, 23, 10, -3, -2, -3, 0, -3, - 14, 0, 14, 1, 0, -2, -32, -9, 1, -25, - -7, -13, 5, -13, -8, -1, -2, -8, 10, -6, - }, { - -38, 4, -15, 4, -14, 13, -12, 11, 2, 6, - 6, 11, 45, 16, 11, 13, 7, -6, 12, -4, - 20, -3, 16, -12, 1, -12, -46, -24, 0, -33, - 3, -9, 12, 12, 8, 7, -17, 6, 0, 2 - } -}; - -static const int8_t cb2_vects[128][40]={ - { - 73, -32, -60, -15, -26, 59, 2, -33, 30, -10, - -3, -17, 8, 30, -1, -26, -4, -22, 10, 16, - -36, -5, -11, 56, 37, 6, -10, -5, -13, -3, - 6, -5, 11, 4, -19, -5, -16, 41, 24, 13, - }, { - 4, -11, -37, 23, -5, 46, -2, -29, -5, -39, - -21, -9, 0, 49, 12, -9, -16, -26, 22, 15, - -45, -20, -5, 40, 22, 17, -26, 31, -14, 2, - -14, 10, 30, 20, -27, -9, -39, 39, 18, 5, - }, { - 34, -25, -48, -28, -11, 34, -2, -41, 9, -7, - -17, 21, 20, 24, -17, -33, 0, -24, 10, 42, - 3, -5, 10, 42, 11, 8, -3, 3, 16, 9, - 22, -2, 0, -33, -10, 18, 7, 58, 10, 28, - }, { - -34, -4, -25, 10, 9, 21, -7, -36, -26, -36, - -35, 28, 12, 42, -3, -16, -12, -28, 21, 42, - -5, -21, 16, 26, -4, 19, -19, 39, 15, 15, - 1, 13, 19, -17, -17, 14, -15, 55, 4, 19, - }, { - 28, -20, -51, -14, -6, 7, 0, -26, 27, -4, - 18, -40, -6, 16, -1, -15, 0, -55, -5, -16, - -19, 14, -3, 49, 14, 1, -22, -30, -12, 0, - 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-24, 21, -1, -28, 40, 42, -42, -5, -25, -5, - }, { - 27, -1, -20, -17, 24, 38, 35, -26, 1, 4, - 35, -32, -21, -3, 2, 35, -8, -29, -24, -44, - 12, 24, -34, 18, 8, -7, -21, -55, -5, 21, - -2, 23, -11, -28, 13, -1, -22, -33, 21, 10, - }, { - -41, 18, 2, 21, 45, 24, 30, -21, -33, -24, - 17, -24, -29, 15, 16, 51, -21, -33, -13, -45, - 3, 8, -28, 2, -7, 2, -37, -19, -7, 27, - -22, 39, 7, -12, 5, -5, -45, -35, 15, 1, - }, { - -12, 4, -8, -29, 39, 12, 30, -33, -19, 8, - 21, 6, -8, -9, -13, 28, -4, -31, -24, -18, - 52, 23, -12, 4, -18, -5, -14, -47, 24, 34, - 14, 27, -22, -66, 22, 22, 1, -16, 6, 24, - }, { - -81, 25, 14, 8, 61, 0, 25, -28, -54, -20, - 3, 14, -17, 8, 0, 44, -16, -35, -13, -18, - 43, 7, -6, -11, -33, 4, -30, -11, 22, 40, - -6, 43, -3, -50, 14, 18, -22, -18, 1, 16, - }, { - 77, -2, -11, 1, -7, 47, 52, -5, 29, 33, - 1, -28, 0, -15, 28, 26, 2, 30, 0, 2, - -22, 4, -33, -3, 36, -21, 3, -15, -2, 5, - -4, 4, 6, 9, 37, 31, -5, -32, -20, -30, - }, { - 8, 17, 10, 40, 13, 34, 47, 0, -5, 4, - -16, -21, -8, 2, 42, 43, -10, 26, 10, 2, - -31, -11, -27, -19, 21, -10, -12, 20, -3, 11, - -25, 20, 25, 25, 29, 28, -28, -34, -25, -38, - }, { - 37, 3, 0, -10, 7, 22, 48, -12, 8, 36, - -12, 9, 12, -22, 12, 19, 6, 28, 0, 29, - 18, 3, -11, -17, 10, -18, 10, -7, 27, 18, - 11, 7, -3, -28, 47, 55, 18, -15, -34, -16, - }, { - -31, 24, 23, 27, 29, 9, 43, -8, -26, 7, - -30, 17, 4, -3, 26, 35, -5, 24, 10, 28, - 9, -12, -5, -33, -5, -8, -5, 29, 26, 24, - -9, 23, 14, -12, 39, 52, -5, -18, -39, -24, - }, { - 32, 8, -3, 2, 13, -4, 50, 1, 27, 39, - 23, -51, -15, -30, 27, 37, 7, -1, -17, -29, - -5, 23, -25, -10, 14, -26, -8, -41, -1, 9, - 13, 26, 5, -12, 12, 7, 14, -45, 6, -9, - }, { - -36, 29, 19, 41, 34, -18, 45, 6, -8, 10, - 5, -43, -23, -11, 42, 53, -5, -5, -6, -30, - -14, 8, -20, -26, -1, -16, -25, -4, -3, 15, - -7, 41, 23, 3, 4, 3, -8, -48, 1, -17, - }, { - -7, 15, 9, -9, 28, -29, 45, -5, 6, 43, - 9, -12, -2, -36, 12, 30, 11, -3, -17, -3, - 34, 22, -3, -24, -12, -24, -2, -32, 28, 22, - 29, 29, -5, -50, 21, 31, 38, -29, -7, 5, - }, { - -76, 35, 31, 28, 49, -43, 40, 0, -29, 14, - -8, -5, -10, -18, 26, 46, 0, -7, -6, -3, - 25, 7, 2, -40, -28, -14, -18, 3, 27, 28, - 8, 45, 13, -34, 13, 27, 15, -31, -12, -3, - }, { - 74, -17, 0, -31, -18, 73, -5, 0, 3, -5, - 25, 12, -3, -1, -22, 3, -9, 33, -12, -24, - 6, 2, -33, 9, 21, 5, 20, -27, -19, -7, - -34, -37, -34, 22, 44, 0, -41, -29, -17, -21, - }, { - 5, 3, 21, 7, 2, 60, -10, 5, -32, -34, - 7, 20, -11, 16, -8, 20, -21, 29, -1, -24, - -2, -13, -27, -6, 5, 15, 3, 8, -21, -1, - -55, -21, -15, 38, 37, -3, -65, -32, -23, -30, - }, { - 35, -10, 11, -44, -3, 48, -10, -6, -17, -2, - 11, 51, 8, -8, -38, -3, -4, 31, -12, 2, - 46, 1, -10, -4, -5, 7, 26, -19, 10, 5, - -18, -34, -45, -15, 54, 24, -18, -13, -31, -7, - }, { - -33, 10, 34, -5, 17, 35, -15, -1, -53, -30, - -6, 59, 0, 10, -24, 13, -17, 27, -1, 1, - 37, -13, -4, -20, -20, 18, 10, 16, 8, 11, - -39, -18, -26, 0, 46, 20, -41, -15, -37, -15, - }, { - 29, -5, 7, -30, 1, 21, -7, 7, 0, 0, - 47, -9, -18, -15, -22, 14, -4, 0, -28, -57, - 23, 21, -25, 2, -1, 0, 7, -53, -19, -3, - -17, -15, -36, 0, 19, -24, -21, -43, 9, 0, - }, { - -39, 14, 30, 8, 22, 8, -12, 12, -34, -27, - 29, -2, -26, 2, -8, 31, -16, -3, -17, -57, - 14, 6, -19, -13, -16, 10, -8, -17, -20, 2, - -38, 0, -17, 16, 11, -27, -44, -45, 4, -8, - }, { - -9, 1, 20, -43, 17, -3, -12, 0, -20, 4, - 33, 29, -6, -22, -38, 7, 0, -1, -29, -30, - 63, 21, -3, -11, -27, 1, 14, -45, 10, 9, - -1, -12, -47, -37, 28, 0, 2, -26, -4, 13, - }, { - -78, 21, 43, -4, 38, -17, -17, 5, -55, -24, - 15, 36, -14, -4, -24, 24, -12, -5, -17, -31, - 54, 5, 2, -27, -43, 12, -2, -9, 9, 15, - -22, 3, -28, -21, 20, -3, -20, -28, -9, 5, - }, { - 80, -6, 16, -11, -30, 30, 9, 28, 28, 29, - 13, -6, 2, -28, 3, 5, 7, 60, -5, -9, - -11, 1, -24, -19, 27, -13, 32, -13, -15, -19, - -19, -35, -17, 39, 43, 9, -4, -42, -32, -41, - }, { - 11, 14, 39, 27, -9, 17, 4, 33, -6, 0, - -4, 1, -5, -10, 17, 22, -5, 57, 5, -9, - -20, -13, -18, -35, 11, -3, 16, 22, -17, -13, - -40, -19, 1, 55, 35, 5, -27, -44, -37, -49, - }, { - 40, 0, 28, -24, -14, 5, 4, 21, 7, 33, - 0, 32, 15, -35, -12, -1, 11, 58, -5, 16, - 28, 0, -1, -33, 0, -11, 39, -5, 14, -6, - -3, -31, -28, 1, 53, 33, 19, -25, -46, -26, - }, { - -28, 20, 51, 14, 6, -7, 0, 26, -27, 4, - -18, 40, 6, -16, 1, 15, 0, 55, 5, 16, - 19, -14, 3, -49, -14, -1, 22, 30, 12, 0, - -24, -15, -9, 17, 45, 29, -4, -28, -51, -35, - }, { - 34, 4, 25, -10, -9, -21, 7, 36, 26, 36, - 35, -28, -12, -42, 3, 16, 12, 28, -21, -42, - 5, 21, -16, -26, 4, -19, 19, -39, -15, -15, - -1, -13, -19, 17, 17, -14, 15, -55, -4, -19, - }, { - -34, 25, 48, 28, 11, -34, 2, 41, -9, 7, - 17, -21, -20, -24, 17, 33, 0, 24, -10, -42, - -3, 5, -10, -42, -11, -8, 3, -3, -16, -9, - -22, 2, 0, 33, 10, -18, -7, -58, -10, -28, - }, { - -4, 11, 37, -23, 5, -46, 2, 29, 5, 39, - 21, 9, 0, -49, -12, 9, 16, 26, -22, -15, - 45, 20, 5, -40, -22, -17, 26, -31, 14, -2, - 14, -10, -30, -20, 27, 9, 39, -39, -18, -5, - }, { - -73, 32, 60, 15, 26, -59, -2, 33, -30, 10, - 3, 17, -8, -30, 1, 26, 4, 22, -10, -16, - 36, 5, 11, -56, -37, -6, 10, 5, 13, 3, - -6, 5, -11, -4, 19, 5, 16, -41, -24, -13 - } -}; - -static const uint16_t cb1_base[128]={ - 19657, 18474, 18365, 17520, 21048, 18231, 18584, 16671, - 20363, 19069, 19409, 18430, 21844, 18753, 19613, 17411, - 20389, 21772, 20129, 21702, 20978, 20472, 19627, 19387, - 21477, 23134, 21841, 23919, 22089, 21519, 21134, 20852, - 19675, 17821, 19044, 17477, 19986, 16955, 18446, 16086, - 21138, 18899, 20952, 18929, 21452, 17833, 20104, 17159, - 19770, 20056, 20336, 20866, 19329, 18217, 18908, 18004, - 21556, 21948, 23079, 23889, 20922, 19544, 20984, 19781, - 19781, 20984, 19544, 20922, 23889, 23079, 21948, 21556, - 18004, 18908, 18217, 19329, 20866, 20336, 20056, 19770, - 17159, 20104, 17833, 21452, 18929, 20952, 18899, 21138, - 16086, 18446, 16955, 19986, 17477, 19044, 17821, 19675, - 20852, 21134, 21519, 22089, 23919, 21841, 23134, 21477, - 19387, 19627, 20472, 20978, 21702, 20129, 21772, 20389, - 17411, 19613, 18753, 21844, 18430, 19409, 19069, 20363, - 16671, 18584, 18231, 21048, 17520, 18365, 18474, 19657, -}; - -static const uint16_t cb2_base[128]={ - 12174, 13380, 13879, 13832, 13170, 13227, 13204, 12053, - 12410, 13988, 14348, 14631, 13100, 13415, 13224, 12268, - 11982, 13825, 13499, 14210, 13877, 14788, 13811, 13109, - 11449, 13275, 12833, 13717, 12728, 13696, 12759, 12405, - 10230, 12185, 11628, 13161, 11762, 13458, 12312, 12818, - 10443, 12773, 12011, 14020, 11818, 13825, 12453, 13226, - 10446, 13162, 11881, 14300, 12859, 16288, 13490, 15053, - 10155, 12820, 11519, 13973, 12041, 15081, 12635, 14198, - 14198, 12635, 15081, 12041, 13973, 11519, 12820, 10155, - 15053, 13490, 16288, 12859, 14300, 11881, 13162, 10446, - 13226, 12453, 13825, 11818, 14020, 12011, 12773, 10443, - 12818, 12312, 13458, 11762, 13161, 11628, 12185, 10230, - 12405, 12759, 13696, 12728, 13717, 12833, 13275, 11449, - 13109, 13811, 14788, 13877, 14210, 13499, 13825, 11982, - 12268, 13224, 13415, 13100, 14631, 14348, 13988, 12410, - 12053, 13204, 13227, 13170, 13832, 13879, 13380, 12174, -}; - -static const int16_t energy_tab[32]={ - 0, 16, 20, 25, 32, 41, 51, 65, - 81, 103, 129, 163, 205, 259, 326, 410, - 516, 650, 819, 1031, 1298, 1634, 2057, 2590, - 3261, 4105, 5168, 6507, 8192, 10313, 12983, 16345 -}; - -static const int16_t lpc_refl_cb1[64]={ - -4041, -4018, -3998, -3977, -3954, -3930, -3906, -3879, - -3852, -3825, -3795, -3764, -3731, -3699, -3666, -3631, - -3594, -3555, -3513, -3468, -3420, -3372, -3321, -3268, - -3212, -3153, -3090, -3021, -2944, -2863, -2772, -2676, - -2565, -2445, -2328, -2202, -2072, -1941, -1808, -1660, - -1508, -1348, -1185, -994, -798, -600, -374, -110, - 152, 447, 720, 982, 1229, 1456, 1682, 1916, - 2130, 2353, 2595, 2853, 3118, 3363, 3588, 3814 -}; - -static const int16_t lpc_refl_cb2[32]={ - -3091, -2386, -1871, -1425, -1021, -649, -316, -20, - 267, 544, 810, 1065, 1305, 1534, 1756, 1970, - 2171, 2359, 2536, 2700, 2854, 2996, 3133, 3263, - 3386, 3499, 3603, 3701, 3789, 3870, 3947, 4020 -}; - -static const int16_t lpc_refl_cb3[32]={ - -3525, -3295, -3081, -2890, -2696, -2511, -2328, -2149, - -1979, -1817, -1658, -1498, -1341, -1188, -1032, -876, - -721, -561, -394, -228, -54, 119, 296, 484, - 683, 895, 1123, 1373, 1651, 1965, 2360, 2854 -}; - -static const int16_t lpc_refl_cb4[16]={ - -1845, -1057, -522, -77, 301, 647, 975, 1285, - 1582, 1873, 2163, 2452, 2735, 3017, 3299, 3569 -}; - -static const int16_t lpc_refl_cb5[16]={ - -2691, -2187, -1788, -1435, -1118, -837, -571, -316, - -59, 201, 470, 759, 1077, 1457, 1908, 2495 -}; - -static const int16_t lpc_refl_cb6[8]={ - -1372, -474, 133, 632, 1100, 1571, 2075, 2672 -}; - -static const int16_t lpc_refl_cb7[8]={ - -2389, -1787, -1231, -717, -239, 234, 770, 1474 -}; - -static const int16_t lpc_refl_cb8[8]={ - -1569, -864, -296, 200, 670, 1151, 1709, 2385 -}; - -static const int16_t lpc_refl_cb9[8]={ - -2200, -1608, -1062, -569, -120, 338, 863, 1621 -}; - -static const int16_t lpc_refl_cb10[4]={ - -617, 190, 802, 1483 -}; - -static const int16_t * const lpc_refl_cb[10]={ - lpc_refl_cb1, lpc_refl_cb2, lpc_refl_cb3, lpc_refl_cb4, lpc_refl_cb5, - lpc_refl_cb6, lpc_refl_cb7, lpc_refl_cb8, lpc_refl_cb9, lpc_refl_cb10 -}; +#define NBLOCKS 4 ///< number of subblocks within a block +#define BLOCKSIZE 40 ///< subblock size in 16-bit words +#define BUFFERSIZE 146 ///< the size of the adaptive codebook + +typedef struct { + AVCodecContext *avctx; + + unsigned int old_energy; ///< previous frame energy + + unsigned int lpc_tables[2][10]; + + /** LPC coefficients: lpc_coef[0] is the coefficients of the current frame + * and lpc_coef[1] of the previous one. */ + unsigned int *lpc_coef[2]; + + unsigned int lpc_refl_rms[2]; + + /** The current subblock padded by the last 10 values of the previous one. */ + int16_t curr_sblock[50]; + + /** Adaptive codebook, its size is two units bigger to avoid a + * buffer overflow. */ + uint16_t adapt_cb[146+2]; +} RA144Context; + +void add_wav(int16_t *dest, int n, int skip_first, int *m, const int16_t *s1, + const int8_t *s2, const int8_t *s3); +void copy_and_dup(int16_t *target, const int16_t *source, int offset); +int eval_refl(int *refl, const int16_t *coefs, AVCodecContext *avctx); +void eval_coefs(int *coefs, const int *refl); +void int_to_int16(int16_t *out, const int *inp); +int t_sqrt(unsigned int x); +unsigned int rms(const int *data); +int interp(RA144Context *ractx, int16_t *out, int a, int copyold, int energy); +unsigned int rescale_rms(unsigned int rms, unsigned int energy); +int irms(const int16_t *data); + +extern const int16_t gain_val_tab[256][3]; +extern const uint8_t gain_exp_tab[256]; +extern const int8_t cb1_vects[128][40]; +extern const int8_t cb2_vects[128][40]; +extern const uint16_t cb1_base[128]; +extern const uint16_t cb2_base[128]; +extern const int16_t energy_tab[32]; +extern const int16_t * const lpc_refl_cb[10]; #endif /* AVCODEC_RA144_H */ |