From ac4b32df71bd932838043a4838b86d11e169707f Mon Sep 17 00:00:00 2001 From: Peter Ross Date: Tue, 1 Apr 2014 14:21:51 +0200 Subject: On2 VP7 decoder Further performance improvements and security fixes by Vittorio Giovara, Luca Barbato and Diego Biurrun. Signed-off-by: Vittorio Giovara Signed-off-by: Luca Barbato Signed-off-by: Diego Biurrun --- libavcodec/vp8data.h | 151 +++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 147 insertions(+), 4 deletions(-) (limited to 'libavcodec/vp8data.h') diff --git a/libavcodec/vp8data.h b/libavcodec/vp8data.h index 2a17cc2024..b49dea98fa 100644 --- a/libavcodec/vp8data.h +++ b/libavcodec/vp8data.h @@ -30,6 +30,13 @@ #include "vp8.h" #include "h264pred.h" +static const uint8_t vp7_pred4x4_mode[] = { + [DC_PRED8x8] = DC_PRED, + [VERT_PRED8x8] = TM_VP8_PRED, + [HOR_PRED8x8] = TM_VP8_PRED, + [PLANE_PRED8x8] = TM_VP8_PRED, +}; + static const uint8_t vp8_pred4x4_mode[] = { [DC_PRED8x8] = DC_PRED, [VERT_PRED8x8] = VERT_PRED, @@ -51,6 +58,63 @@ static const int8_t vp8_pred16x16_tree_inter[4][2] = { { -PLANE_PRED8x8, -MODE_I4x4 }, // '110', '111' }; +typedef struct VP7MVPred { + int8_t yoffset; + int8_t xoffset; + uint8_t subblock; + uint8_t score; +} VP7MVPred; + +#define VP7_MV_PRED_COUNT 12 +static const VP7MVPred vp7_mv_pred[VP7_MV_PRED_COUNT] = { + { -1, 0, 12, 8 }, + { 0, -1, 3, 8 }, + { -1, -1, 15, 2 }, + { -1, 1, 12, 2 }, + { -2, 0, 12, 2 }, + { 0, -2, 3, 2 }, + { -1, -2, 15, 1 }, + { -2, -1, 15, 1 }, + { -2, 1, 12, 1 }, + { -1, 2, 12, 1 }, + { -2, -2, 15, 1 }, + { -2, 2, 12, 1 }, +}; + +static const int vp7_mode_contexts[31][4] = { + { 3, 3, 1, 246 }, + { 7, 89, 66, 239 }, + { 10, 90, 78, 238 }, + { 14, 118, 95, 241 }, + { 14, 123, 106, 238 }, + { 20, 140, 109, 240 }, + { 13, 155, 103, 238 }, + { 21, 158, 99, 240 }, + { 27, 82, 108, 232 }, + { 19, 99, 123, 217 }, + { 45, 139, 148, 236 }, + { 50, 117, 144, 235 }, + { 57, 128, 164, 238 }, + { 69, 139, 171, 239 }, + { 74, 154, 179, 238 }, + { 112, 165, 186, 242 }, + { 98, 143, 185, 245 }, + { 105, 153, 190, 250 }, + { 124, 167, 192, 245 }, + { 131, 186, 203, 246 }, + { 59, 184, 222, 224 }, + { 148, 215, 214, 213 }, + { 137, 211, 210, 219 }, + { 190, 227, 128, 228 }, + { 183, 228, 128, 228 }, + { 194, 234, 128, 228 }, + { 202, 236, 128, 228 }, + { 205, 240, 128, 228 }, + { 205, 244, 128, 228 }, + { 225, 246, 128, 228 }, + { 233, 251, 128, 228 }, +}; + static const int vp8_mode_contexts[6][4] = { { 7, 1, 1, 143 }, { 14, 18, 14, 107 }, @@ -82,6 +146,10 @@ static const uint8_t vp8_mbsplit_prob[3] = { 110, 111, 150 }; +static const uint8_t vp7_submv_prob[3] = { + 180, 162, 25 +}; + static const uint8_t vp8_submv_prob[5][3] = { { 147, 136, 18 }, { 106, 145, 1 }, @@ -94,7 +162,7 @@ static const uint8_t vp8_pred16x16_prob_intra[4] = { 145, 156, 163, 128 }; static const uint8_t vp8_pred16x16_prob_inter[4] = { - 112, 86, 140, 37 + 112, 86, 140, 37 }; static const int8_t vp8_pred4x4_tree[9][2] = { @@ -641,7 +709,7 @@ static const uint8_t vp8_token_update_probs[4][8][3][NUM_DCT_TOKENS - 1] = { }; // fixme: copied from h264data.h -static const uint8_t zigzag_scan[16] = { +static const uint8_t zigzag_scan[16]={ 0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4, 1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4, 1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4, @@ -674,11 +742,22 @@ static const uint8_t vp8_mv_update_prob[2][19] = { { 237, 246, 253, 253, 254, 254, 254, 254, 254, - 254, 254, 254, 254, 254, 250, 250, 252, 254, 254 }, + 254, 254, 254, 254, 254, 250, 250, 252, /* VP8 only: */ 254, 254 }, { 231, 243, 245, 253, 254, 254, 254, 254, 254, - 254, 254, 254, 254, 254, 251, 251, 254, 254, 254 } + 254, 254, 254, 254, 254, 251, 251, 254, /* VP8 only: */ 254, 254 } +}; + +static const uint8_t vp7_mv_default_prob[2][17] = { + { 162, + 128, + 225, 146, 172, 147, 214, 39, 156, + 247, 210, 135, 68, 138, 220, 239, 246 }, + { 164, + 128, + 204, 170, 119, 235, 140, 230, 228, + 244, 184, 201, 44, 173, 221, 239, 253 } }; static const uint8_t vp8_mv_default_prob[2][19] = { @@ -692,4 +771,68 @@ static const uint8_t vp8_mv_default_prob[2][19] = { 128, 130, 130, 74, 148, 180, 203, 236, 254, 254 } }; +static const uint8_t vp7_feature_value_size[2][4] = { + { 7, 6, 0, 8 }, + { 7, 6, 0, 5 }, +}; + +static const int8_t vp7_feature_index_tree[4][2] = +{ + { 1, 2 }, + { -0, -1 }, // '00', '01' + { -2, -3 }, // '10', '11' +}; + +static const uint16_t vp7_ydc_qlookup[] = { + 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 33, 34, 35, 36, 36, 37, 38, 39, 39, 40, 41, + 41, 42, 43, 43, 44, 45, 45, 46, 47, 48, 48, 49, 50, 51, 52, + 53, 53, 54, 56, 57, 58, 59, 60, 62, 63, 65, 66, 68, 70, 72, + 74, 76, 79, 81, 84, 87, 90, 93, 96, 100, 104, 108, 112, 116, 121, + 126, 131, 136, 142, 148, 154, 160, 167, 174, 182, 189, 198, 206, 215, 224, + 234, 244, 254, 265, 277, 288, 301, 313, 327, 340, 355, 370, 385, 401, 417, + 434, 452, 470, 489, 509, 529, 550, 572, +}; + +static const uint16_t vp7_yac_qlookup[] = { + 4, 4, 5, 5, 6, 6, 7, 8, 9, 10, 11, 12, 13, 15, + 16, 17, 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, + 37, 38, 40, 41, 42, 44, 45, 46, 48, 49, 50, 51, 53, 54, + 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 67, 68, 69, 70, + 72, 73, 75, 76, 78, 80, 82, 84, 86, 88, 91, 93, 96, 99, + 102, 105, 109, 112, 116, 121, 125, 130, 135, 140, 146, 152, 158, 165, + 172, 180, 188, 196, 205, 214, 224, 234, 245, 256, 268, 281, 294, 308, + 322, 337, 353, 369, 386, 404, 423, 443, 463, 484, 506, 529, 553, 578, + 604, 631, 659, 688, 718, 749, 781, 814, 849, 885, 922, 960, 1000, 1041, + 1083, 1127, +}; + +static const uint16_t vp7_y2dc_qlookup[] = { + 7, 9, 11, 13, 15, 17, 19, 21, 23, 26, 28, 30, 33, 35, + 37, 39, 42, 44, 46, 48, 51, 53, 55, 57, 59, 61, 63, 65, + 67, 69, 70, 72, 74, 75, 77, 78, 80, 81, 83, 84, 85, 87, + 88, 89, 90, 92, 93, 94, 95, 96, 97, 99, 100, 101, 102, 104, + 105, 106, 108, 109, 111, 113, 114, 116, 118, 120, 123, 125, 128, 131, + 134, 137, 140, 144, 148, 152, 156, 161, 166, 171, 176, 182, 188, 195, + 202, 209, 217, 225, 234, 243, 253, 263, 274, 285, 297, 309, 322, 336, + 350, 365, 381, 397, 414, 432, 450, 470, 490, 511, 533, 556, 579, 604, + 630, 656, 684, 713, 742, 773, 805, 838, 873, 908, 945, 983, 1022, 1063, + 1105, 1148, +}; + +static const uint16_t vp7_y2ac_qlookup[] = { + 7, 9, 11, 13, 16, 18, 21, 24, 26, 29, 32, 35, + 38, 41, 43, 46, 49, 52, 55, 58, 61, 64, 66, 69, + 72, 74, 77, 79, 82, 84, 86, 88, 91, 93, 95, 97, + 98, 100, 102, 104, 105, 107, 109, 110, 112, 113, 115, 116, + 117, 119, 120, 122, 123, 125, 127, 128, 130, 132, 134, 136, + 138, 141, 143, 146, 149, 152, 155, 158, 162, 166, 171, 175, + 180, 185, 191, 197, 204, 210, 218, 226, 234, 243, 252, 262, + 273, 284, 295, 308, 321, 335, 350, 365, 381, 398, 416, 435, + 455, 476, 497, 520, 544, 569, 595, 622, 650, 680, 711, 743, + 776, 811, 848, 885, 925, 965, 1008, 1052, 1097, 1144, 1193, 1244, + 1297, 1351, 1407, 1466, 1526, 1588, 1652, 1719, +}; + #endif /* AVCODEC_VP8DATA_H */ -- cgit v1.2.3