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-rwxr-xr-xconfigure1
-rw-r--r--vp9/common/vp9_entropy.c148
-rw-r--r--vp9/decoder/vp9_dequantize.c6
3 files changed, 155 insertions, 0 deletions
diff --git a/configure b/configure
index dea79dd23..8cd3b9391 100755
--- a/configure
+++ b/configure
@@ -250,6 +250,7 @@ EXPERIMENT_LIST="
modelcoefprob
loop_dering
implicit_compoundinter_weight
+ scatterscan
"
CONFIG_LIST="
external_build
diff --git a/vp9/common/vp9_entropy.c b/vp9/common/vp9_entropy.c
index 22c2905d8..a1dbd3e85 100644
--- a/vp9/common/vp9_entropy.c
+++ b/vp9/common/vp9_entropy.c
@@ -63,6 +63,153 @@ DECLARE_ALIGNED(16, const uint8_t, vp9_pt_energy_class[MAX_ENTROPY_TOKENS]) = {
0, 1, 2, 3, 3, 4, 4, 5, 5, 5, 5, 5
};
+#if CONFIG_SCATTERSCAN
+DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_4x4[16]) = {
+ 0, 4, 1, 5,
+ 8, 2, 12, 9,
+ 3, 6, 13, 10,
+ 7, 14, 11, 15,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_col_scan_4x4[16]) = {
+ 0, 4, 8, 1,
+ 12, 5, 9, 2,
+ 13, 6, 10, 3,
+ 7, 14, 11, 15,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_row_scan_4x4[16]) = {
+ 0, 1, 4, 2,
+ 5, 3, 6, 8,
+ 9, 7, 12, 10,
+ 13, 11, 14, 15,
+};
+
+DECLARE_ALIGNED(64, const int, vp9_default_zig_zag1d_8x8[64]) = {
+ 0, 8, 1, 16, 9, 2, 17, 24,
+ 10, 3, 18, 25, 32, 11, 4, 26,
+ 33, 19, 40, 12, 34, 27, 5, 41,
+ 20, 48, 13, 35, 42, 28, 21, 6,
+ 49, 56, 36, 43, 29, 7, 14, 50,
+ 57, 44, 22, 37, 15, 51, 58, 30,
+ 45, 23, 52, 59, 38, 31, 60, 53,
+ 46, 39, 61, 54, 47, 62, 55, 63,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_col_scan_8x8[64]) = {
+ 0, 8, 16, 1, 24, 9, 32, 17,
+ 2, 40, 25, 10, 33, 18, 48, 3,
+ 26, 41, 11, 56, 19, 34, 4, 49,
+ 27, 42, 12, 35, 20, 57, 50, 28,
+ 5, 43, 13, 36, 58, 51, 21, 44,
+ 6, 29, 59, 37, 14, 52, 22, 7,
+ 45, 60, 30, 15, 38, 53, 23, 46,
+ 31, 61, 39, 54, 47, 62, 55, 63,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_row_scan_8x8[64]) = {
+ 0, 1, 2, 8, 9, 3, 16, 10,
+ 4, 17, 11, 24, 5, 18, 25, 12,
+ 19, 26, 32, 6, 13, 20, 33, 27,
+ 7, 34, 40, 21, 28, 41, 14, 35,
+ 48, 42, 29, 36, 49, 22, 43, 15,
+ 56, 37, 50, 44, 30, 57, 23, 51,
+ 58, 45, 38, 52, 31, 59, 53, 46,
+ 60, 39, 61, 47, 54, 55, 62, 63,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_16x16[256]) = {
+ 0, 16, 1, 32, 17, 2, 48, 33, 18, 3, 64, 34, 49, 19, 65, 80,
+ 50, 4, 35, 66, 20, 81, 96, 51, 5, 36, 82, 97, 67, 112, 21, 52,
+ 98, 37, 83, 113, 6, 68, 128, 53, 22, 99, 114, 84, 7, 129, 38, 69,
+ 100, 115, 144, 130, 85, 54, 23, 8, 145, 39, 70, 116, 101, 131, 160, 146,
+ 55, 86, 24, 71, 132, 117, 161, 40, 9, 102, 147, 176, 162, 87, 56, 25,
+ 133, 118, 177, 148, 72, 103, 41, 163, 10, 192, 178, 88, 57, 134, 149, 119,
+ 26, 164, 73, 104, 193, 42, 179, 208, 11, 135, 89, 165, 120, 150, 58, 194,
+ 180, 27, 74, 209, 105, 151, 136, 43, 90, 224, 166, 195, 181, 121, 210, 59,
+ 12, 152, 106, 167, 196, 75, 137, 225, 211, 240, 182, 122, 91, 28, 197, 13,
+ 226, 168, 183, 153, 44, 212, 138, 107, 241, 60, 29, 123, 198, 184, 227, 169,
+ 242, 76, 213, 154, 45, 92, 14, 199, 139, 61, 228, 214, 170, 185, 243, 108,
+ 77, 155, 30, 15, 200, 229, 124, 215, 244, 93, 46, 186, 171, 201, 109, 140,
+ 230, 62, 216, 245, 31, 125, 78, 156, 231, 47, 187, 202, 217, 94, 246, 141,
+ 63, 232, 172, 110, 247, 157, 79, 218, 203, 126, 233, 188, 248, 95, 173, 142,
+ 219, 111, 249, 234, 158, 127, 189, 204, 250, 235, 143, 174, 220, 205, 159, 251,
+ 190, 221, 175, 236, 237, 191, 206, 252, 222, 253, 207, 238, 223, 254, 239, 255,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_col_scan_16x16[256]) = {
+ 0, 16, 32, 48, 1, 64, 17, 80, 33, 96, 49, 2, 65, 112, 18, 81,
+ 34, 128, 50, 97, 3, 66, 144, 19, 113, 35, 82, 160, 98, 51, 129, 4,
+ 67, 176, 20, 114, 145, 83, 36, 99, 130, 52, 192, 5, 161, 68, 115, 21,
+ 146, 84, 208, 177, 37, 131, 100, 53, 162, 224, 69, 6, 116, 193, 147, 85,
+ 22, 240, 132, 38, 178, 101, 163, 54, 209, 117, 70, 7, 148, 194, 86, 179,
+ 225, 23, 133, 39, 164, 8, 102, 210, 241, 55, 195, 118, 149, 71, 180, 24,
+ 87, 226, 134, 165, 211, 40, 103, 56, 72, 150, 196, 242, 119, 9, 181, 227,
+ 88, 166, 25, 135, 41, 104, 212, 57, 151, 197, 120, 73, 243, 182, 136, 167,
+ 213, 89, 10, 228, 105, 152, 198, 26, 42, 121, 183, 244, 168, 58, 137, 229,
+ 74, 214, 90, 153, 199, 184, 11, 106, 245, 27, 122, 230, 169, 43, 215, 59,
+ 200, 138, 185, 246, 75, 12, 91, 154, 216, 231, 107, 28, 44, 201, 123, 170,
+ 60, 247, 232, 76, 139, 13, 92, 217, 186, 248, 155, 108, 29, 124, 45, 202,
+ 233, 171, 61, 14, 77, 140, 15, 249, 93, 30, 187, 156, 218, 46, 109, 125,
+ 62, 172, 78, 203, 31, 141, 234, 94, 47, 188, 63, 157, 110, 250, 219, 79,
+ 126, 204, 173, 142, 95, 189, 111, 235, 158, 220, 251, 127, 174, 143, 205, 236,
+ 159, 190, 221, 252, 175, 206, 237, 191, 253, 222, 238, 207, 254, 223, 239, 255,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_row_scan_16x16[256]) = {
+ 0, 1, 2, 16, 3, 17, 4, 18, 32, 5, 33, 19, 6, 34, 48, 20,
+ 49, 7, 35, 21, 50, 64, 8, 36, 65, 22, 51, 37, 80, 9, 66, 52,
+ 23, 38, 81, 67, 10, 53, 24, 82, 68, 96, 39, 11, 54, 83, 97, 69,
+ 25, 98, 84, 40, 112, 55, 12, 70, 99, 113, 85, 26, 41, 56, 114, 100,
+ 13, 71, 128, 86, 27, 115, 101, 129, 42, 57, 72, 116, 14, 87, 130, 102,
+ 144, 73, 131, 117, 28, 58, 15, 88, 43, 145, 103, 132, 146, 118, 74, 160,
+ 89, 133, 104, 29, 59, 147, 119, 44, 161, 148, 90, 105, 134, 162, 120, 176,
+ 75, 135, 149, 30, 60, 163, 177, 45, 121, 91, 106, 164, 178, 150, 192, 136,
+ 165, 179, 31, 151, 193, 76, 122, 61, 137, 194, 107, 152, 180, 208, 46, 166,
+ 167, 195, 92, 181, 138, 209, 123, 153, 224, 196, 77, 168, 210, 182, 240, 108,
+ 197, 62, 154, 225, 183, 169, 211, 47, 139, 93, 184, 226, 212, 241, 198, 170,
+ 124, 155, 199, 78, 213, 185, 109, 227, 200, 63, 228, 242, 140, 214, 171, 186,
+ 156, 229, 243, 125, 94, 201, 244, 215, 216, 230, 141, 187, 202, 79, 172, 110,
+ 157, 245, 217, 231, 95, 246, 232, 126, 203, 247, 233, 173, 218, 142, 111, 158,
+ 188, 248, 127, 234, 219, 249, 189, 204, 143, 174, 159, 250, 235, 205, 220, 175,
+ 190, 251, 221, 191, 206, 236, 207, 237, 252, 222, 253, 223, 238, 239, 254, 255,
+};
+
+DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_32x32[1024]) = {
+ 0, 32, 1, 64, 33, 2, 96, 65, 34, 128, 3, 97, 66, 160, 129, 35, 98, 4, 67, 130, 161, 192, 36, 99, 224, 5, 162, 193, 68, 131, 37, 100,
+ 225, 194, 256, 163, 69, 132, 6, 226, 257, 288, 195, 101, 164, 38, 258, 7, 227, 289, 133, 320, 70, 196, 165, 290, 259, 228, 39, 321, 102, 352, 8, 197,
+ 71, 134, 322, 291, 260, 353, 384, 229, 166, 103, 40, 354, 323, 292, 135, 385, 198, 261, 72, 9, 416, 167, 386, 355, 230, 324, 104, 293, 41, 417, 199, 136,
+ 262, 387, 448, 325, 356, 10, 73, 418, 231, 168, 449, 294, 388, 105, 419, 263, 42, 200, 357, 450, 137, 480, 74, 326, 232, 11, 389, 169, 295, 420, 106, 451,
+ 481, 358, 264, 327, 201, 43, 138, 512, 482, 390, 296, 233, 170, 421, 75, 452, 359, 12, 513, 265, 483, 328, 107, 202, 514, 544, 422, 391, 453, 139, 44, 234,
+ 484, 297, 360, 171, 76, 515, 545, 266, 329, 454, 13, 423, 392, 203, 108, 546, 485, 576, 298, 235, 140, 361, 516, 330, 172, 547, 45, 424, 455, 267, 393, 577,
+ 486, 77, 204, 517, 362, 548, 608, 14, 456, 299, 578, 109, 236, 425, 394, 487, 609, 331, 141, 579, 518, 46, 268, 15, 173, 549, 610, 640, 363, 78, 519, 488,
+ 300, 205, 16, 457, 580, 426, 550, 395, 110, 237, 611, 641, 332, 672, 142, 642, 269, 458, 47, 581, 427, 489, 174, 364, 520, 612, 551, 673, 79, 206, 301, 643,
+ 704, 17, 111, 490, 674, 238, 582, 48, 521, 613, 333, 396, 459, 143, 270, 552, 644, 705, 736, 365, 80, 675, 583, 175, 428, 706, 112, 302, 207, 614, 553, 49,
+ 645, 522, 737, 397, 768, 144, 334, 18, 676, 491, 239, 615, 707, 584, 81, 460, 176, 271, 738, 429, 113, 800, 366, 208, 523, 708, 646, 554, 677, 769, 19, 145,
+ 585, 739, 240, 303, 50, 461, 616, 398, 647, 335, 492, 177, 82, 770, 832, 555, 272, 430, 678, 209, 709, 114, 740, 801, 617, 51, 304, 679, 524, 367, 586, 241,
+ 20, 146, 771, 864, 83, 802, 648, 493, 399, 273, 336, 710, 178, 462, 833, 587, 741, 115, 305, 711, 368, 525, 618, 803, 210, 896, 680, 834, 772, 52, 649, 147,
+ 431, 494, 556, 242, 400, 865, 337, 21, 928, 179, 742, 84, 463, 274, 369, 804, 650, 557, 743, 960, 835, 619, 773, 306, 211, 526, 432, 992, 588, 712, 116, 243,
+ 866, 495, 681, 558, 805, 589, 401, 897, 53, 338, 148, 682, 867, 464, 275, 22, 370, 433, 307, 620, 527, 836, 774, 651, 713, 744, 85, 180, 621, 465, 929, 775,
+ 496, 898, 212, 339, 244, 402, 590, 117, 559, 714, 434, 23, 868, 930, 806, 683, 528, 652, 371, 961, 149, 837, 54, 899, 745, 276, 993, 497, 403, 622, 181, 776,
+ 746, 529, 560, 435, 86, 684, 466, 308, 591, 653, 715, 807, 340, 869, 213, 962, 245, 838, 561, 931, 808, 592, 118, 498, 372, 623, 685, 994, 467, 654, 747, 900,
+ 716, 277, 150, 55, 24, 404, 530, 839, 777, 655, 182, 963, 840, 686, 778, 309, 870, 341, 87, 499, 809, 624, 593, 436, 717, 932, 214, 246, 995, 718, 625, 373,
+ 562, 25, 119, 901, 531, 468, 964, 748, 810, 278, 779, 500, 563, 656, 405, 687, 871, 872, 594, 151, 933, 749, 841, 310, 657, 626, 595, 437, 688, 183, 996, 965,
+ 902, 811, 342, 750, 689, 719, 532, 56, 215, 469, 934, 374, 247, 720, 780, 564, 781, 842, 406, 26, 751, 903, 873, 57, 279, 627, 501, 658, 843, 997, 812, 904,
+ 88, 813, 438, 752, 935, 936, 311, 596, 533, 690, 343, 966, 874, 89, 120, 470, 721, 875, 659, 782, 565, 998, 375, 844, 845, 27, 628, 967, 121, 905, 968, 152,
+ 937, 814, 753, 502, 691, 783, 184, 153, 722, 407, 58, 815, 999, 660, 597, 723, 534, 906, 216, 439, 907, 248, 185, 876, 846, 692, 784, 629, 90, 969, 280, 754,
+ 938, 939, 217, 847, 566, 471, 785, 816, 877, 1000, 249, 878, 661, 503, 312, 970, 755, 122, 817, 281, 344, 786, 598, 724, 28, 59, 29, 154, 535, 630, 376, 1001,
+ 313, 908, 186, 91, 848, 849, 345, 909, 940, 879, 408, 818, 693, 1002, 971, 941, 567, 377, 218, 756, 910, 787, 440, 123, 880, 725, 662, 250, 819, 1003, 282, 972,
+ 850, 599, 472, 409, 155, 441, 942, 757, 788, 694, 911, 881, 314, 631, 973, 504, 187, 1004, 346, 473, 851, 943, 820, 726, 60, 505, 219, 378, 912, 974, 30, 31,
+ 536, 882, 1005, 92, 251, 663, 944, 913, 283, 695, 883, 568, 1006, 975, 410, 442, 945, 789, 852, 537, 1007, 124, 315, 61, 758, 821, 600, 914, 976, 569, 474, 347,
+ 156, 1008, 915, 93, 977, 506, 946, 727, 379, 884, 188, 632, 601, 1009, 790, 853, 978, 947, 220, 411, 125, 633, 664, 759, 252, 443, 916, 538, 157, 822, 62, 570,
+ 979, 284, 1010, 885, 948, 189, 475, 94, 316, 665, 696, 1011, 854, 791, 980, 221, 348, 63, 917, 602, 380, 507, 253, 126, 697, 823, 634, 285, 728, 949, 886, 95,
+ 158, 539, 1012, 317, 412, 444, 760, 571, 190, 981, 729, 918, 127, 666, 349, 381, 476, 855, 761, 1013, 603, 222, 159, 698, 950, 508, 254, 792, 286, 635, 887, 793,
+ 413, 191, 982, 445, 540, 318, 730, 667, 223, 824, 919, 1014, 350, 477, 572, 255, 825, 951, 762, 509, 604, 856, 382, 699, 287, 319, 636, 983, 794, 414, 541, 731,
+ 857, 888, 351, 446, 573, 1015, 668, 889, 478, 826, 383, 763, 605, 920, 510, 637, 415, 700, 921, 858, 447, 952, 542, 795, 479, 953, 732, 890, 669, 574, 511, 984,
+ 827, 985, 922, 1016, 764, 606, 543, 701, 859, 638, 1017, 575, 796, 954, 733, 891, 670, 607, 828, 986, 765, 923, 639, 1018, 702, 860, 955, 671, 892, 734, 797, 703,
+ 987, 829, 1019, 766, 924, 735, 861, 956, 988, 893, 767, 798, 830, 1020, 925, 957, 799, 862, 831, 989, 894, 1021, 863, 926, 895, 958, 990, 1022, 927, 959, 991, 1023,
+};
+#else // CONFIG_SCATTERSCAN
DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_4x4[16]) = {
0, 1, 4, 8,
5, 2, 3, 6,
@@ -220,6 +367,7 @@ DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_32x32[1024]) = {
951, 920, 889, 858, 827, 796, 765, 734, 703, 735, 766, 797, 828, 859, 890, 921, 952, 983, 1014, 1015, 984, 953, 922, 891, 860, 829, 798, 767, 799, 830, 861, 892,
923, 954, 985, 1016, 1017, 986, 955, 924, 893, 862, 831, 863, 894, 925, 956, 987, 1018, 1019, 988, 957, 926, 895, 927, 958, 989, 1020, 1021, 990, 959, 991, 1022, 1023,
};
+#endif // CONFIG_SCATTERSCAN
/* Array indices are identical to previously-existing CONTEXT_NODE indices */
diff --git a/vp9/decoder/vp9_dequantize.c b/vp9/decoder/vp9_dequantize.c
index 57eed1759..9aebcdcfc 100644
--- a/vp9/decoder/vp9_dequantize.c
+++ b/vp9/decoder/vp9_dequantize.c
@@ -218,6 +218,7 @@ void vp9_dequant_idct_add_8x8_c(int16_t *input, const int16_t *dq,
input[0] = 0;
vp9_add_constant_residual_8x8(out, pred, pitch, dest, stride);
+#if !CONFIG_SCATTERSCAN
} else if (eob <= 10) {
input[1] *= dq[1];
input[2] *= dq[1];
@@ -237,6 +238,7 @@ void vp9_dequant_idct_add_8x8_c(int16_t *input, const int16_t *dq,
input[24] = 0;
vp9_add_residual_8x8(output, pred, pitch, dest, stride);
+#endif
} else {
int i;
@@ -301,6 +303,7 @@ void vp9_dequant_idct_add_16x16_c(int16_t *input, const int16_t *dq,
input[0] = 0;
vp9_add_constant_residual_16x16(out, pred, pitch, dest, stride);
+#if !CONFIG_SCATTERSCAN
} else if (eob <= 10) {
input[0] *= dq[0];
@@ -323,6 +326,7 @@ void vp9_dequant_idct_add_16x16_c(int16_t *input, const int16_t *dq,
input[48] = 0;
vp9_add_residual_16x16(output, pred, pitch, dest, stride);
+#endif
} else {
int i;
@@ -352,6 +356,7 @@ void vp9_dequant_idct_add_32x32_c(int16_t *input, const int16_t *dq,
vp9_short_idct1_32x32(input, output);
vp9_add_constant_residual_32x32(output[0], pred, pitch, dest, stride);
input[0] = 0;
+#if !CONFIG_SCATTERSCAN
} else if (eob <= 10) {
input[1] = input[1] * dq[1] / 2;
input[2] = input[2] * dq[1] / 2;
@@ -372,6 +377,7 @@ void vp9_dequant_idct_add_32x32_c(int16_t *input, const int16_t *dq,
input[96] = 0;
vp9_add_residual_32x32(output, pred, pitch, dest, stride);
+#endif
} else {
int i;
for (i = 1; i < 1024; i++)