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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <math.h>
#include "./av1_rtcd.h"
#include "./aom_config.h"
#include "./aom_dsp_rtcd.h"
#include "aom_ports/system_state.h"
#if CONFIG_HIGHBITDEPTH
#include "aom_dsp/aom_dsp_common.h"
#endif // CONFIG_HIGHBITDEPTH
#include "aom_mem/aom_mem.h"
#include "aom_ports/mem.h"
#include "aom_ports/aom_once.h"
#include "av1/common/reconintra.h"
#include "av1/common/onyxc_int.h"
#if CONFIG_CFL
#include "av1/common/cfl.h"
#endif
enum {
NEED_LEFT = 1 << 1,
NEED_ABOVE = 1 << 2,
NEED_ABOVERIGHT = 1 << 3,
NEED_ABOVELEFT = 1 << 4,
NEED_BOTTOMLEFT = 1 << 5,
};
#if CONFIG_INTRA_EDGE
#define INTRA_EDGE_FILT 3
#define INTRA_EDGE_TAPS 5
#if CONFIG_INTRA_EDGE_UPSAMPLE
#define MAX_UPSAMPLE_SZ 12
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
#endif // CONFIG_INTRA_EDGE
static const uint8_t extend_modes[INTRA_MODES] = {
NEED_ABOVE | NEED_LEFT, // DC
NEED_ABOVE, // V
NEED_LEFT, // H
NEED_ABOVE | NEED_ABOVERIGHT, // D45
NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // D135
NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // D117
NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // D153
NEED_LEFT | NEED_BOTTOMLEFT, // D207
NEED_ABOVE | NEED_ABOVERIGHT, // D63
#if CONFIG_ALT_INTRA
NEED_LEFT | NEED_ABOVE, // SMOOTH
#if CONFIG_SMOOTH_HV
NEED_LEFT | NEED_ABOVE, // SMOOTH_V
NEED_LEFT | NEED_ABOVE, // SMOOTH_H
#endif // CONFIG_SMOOTH_HV
#endif // CONFIG_ALT_INTRA
NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT, // TM
};
static const uint16_t orders_128x128[1] = { 0 };
static const uint16_t orders_128x64[2] = { 0, 1 };
static const uint16_t orders_64x128[2] = { 0, 1 };
static const uint16_t orders_64x64[4] = {
0, 1, 2, 3,
};
static const uint16_t orders_64x32[8] = {
0, 2, 1, 3, 4, 6, 5, 7,
};
static const uint16_t orders_32x64[8] = {
0, 1, 2, 3, 4, 5, 6, 7,
};
static const uint16_t orders_32x32[16] = {
0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15,
};
static const uint16_t orders_32x16[32] = {
0, 2, 8, 10, 1, 3, 9, 11, 4, 6, 12, 14, 5, 7, 13, 15,
16, 18, 24, 26, 17, 19, 25, 27, 20, 22, 28, 30, 21, 23, 29, 31,
};
static const uint16_t orders_16x32[32] = {
0, 1, 2, 3, 8, 9, 10, 11, 4, 5, 6, 7, 12, 13, 14, 15,
16, 17, 18, 19, 24, 25, 26, 27, 20, 21, 22, 23, 28, 29, 30, 31,
};
static const uint16_t orders_16x16[64] = {
0, 1, 4, 5, 16, 17, 20, 21, 2, 3, 6, 7, 18, 19, 22, 23,
8, 9, 12, 13, 24, 25, 28, 29, 10, 11, 14, 15, 26, 27, 30, 31,
32, 33, 36, 37, 48, 49, 52, 53, 34, 35, 38, 39, 50, 51, 54, 55,
40, 41, 44, 45, 56, 57, 60, 61, 42, 43, 46, 47, 58, 59, 62, 63,
};
#if CONFIG_CB4X4 || CONFIG_EXT_PARTITION
static const uint16_t orders_16x8[128] = {
0, 2, 8, 10, 32, 34, 40, 42, 1, 3, 9, 11, 33, 35, 41, 43,
4, 6, 12, 14, 36, 38, 44, 46, 5, 7, 13, 15, 37, 39, 45, 47,
16, 18, 24, 26, 48, 50, 56, 58, 17, 19, 25, 27, 49, 51, 57, 59,
20, 22, 28, 30, 52, 54, 60, 62, 21, 23, 29, 31, 53, 55, 61, 63,
64, 66, 72, 74, 96, 98, 104, 106, 65, 67, 73, 75, 97, 99, 105, 107,
68, 70, 76, 78, 100, 102, 108, 110, 69, 71, 77, 79, 101, 103, 109, 111,
80, 82, 88, 90, 112, 114, 120, 122, 81, 83, 89, 91, 113, 115, 121, 123,
84, 86, 92, 94, 116, 118, 124, 126, 85, 87, 93, 95, 117, 119, 125, 127,
};
static const uint16_t orders_8x16[128] = {
0, 1, 2, 3, 8, 9, 10, 11, 32, 33, 34, 35, 40, 41, 42, 43,
4, 5, 6, 7, 12, 13, 14, 15, 36, 37, 38, 39, 44, 45, 46, 47,
16, 17, 18, 19, 24, 25, 26, 27, 48, 49, 50, 51, 56, 57, 58, 59,
20, 21, 22, 23, 28, 29, 30, 31, 52, 53, 54, 55, 60, 61, 62, 63,
64, 65, 66, 67, 72, 73, 74, 75, 96, 97, 98, 99, 104, 105, 106, 107,
68, 69, 70, 71, 76, 77, 78, 79, 100, 101, 102, 103, 108, 109, 110, 111,
80, 81, 82, 83, 88, 89, 90, 91, 112, 113, 114, 115, 120, 121, 122, 123,
84, 85, 86, 87, 92, 93, 94, 95, 116, 117, 118, 119, 124, 125, 126, 127,
};
static const uint16_t orders_8x8[256] = {
0, 1, 4, 5, 16, 17, 20, 21, 64, 65, 68, 69, 80, 81, 84,
85, 2, 3, 6, 7, 18, 19, 22, 23, 66, 67, 70, 71, 82, 83,
86, 87, 8, 9, 12, 13, 24, 25, 28, 29, 72, 73, 76, 77, 88,
89, 92, 93, 10, 11, 14, 15, 26, 27, 30, 31, 74, 75, 78, 79,
90, 91, 94, 95, 32, 33, 36, 37, 48, 49, 52, 53, 96, 97, 100,
101, 112, 113, 116, 117, 34, 35, 38, 39, 50, 51, 54, 55, 98, 99,
102, 103, 114, 115, 118, 119, 40, 41, 44, 45, 56, 57, 60, 61, 104,
105, 108, 109, 120, 121, 124, 125, 42, 43, 46, 47, 58, 59, 62, 63,
106, 107, 110, 111, 122, 123, 126, 127, 128, 129, 132, 133, 144, 145, 148,
149, 192, 193, 196, 197, 208, 209, 212, 213, 130, 131, 134, 135, 146, 147,
150, 151, 194, 195, 198, 199, 210, 211, 214, 215, 136, 137, 140, 141, 152,
153, 156, 157, 200, 201, 204, 205, 216, 217, 220, 221, 138, 139, 142, 143,
154, 155, 158, 159, 202, 203, 206, 207, 218, 219, 222, 223, 160, 161, 164,
165, 176, 177, 180, 181, 224, 225, 228, 229, 240, 241, 244, 245, 162, 163,
166, 167, 178, 179, 182, 183, 226, 227, 230, 231, 242, 243, 246, 247, 168,
169, 172, 173, 184, 185, 188, 189, 232, 233, 236, 237, 248, 249, 252, 253,
170, 171, 174, 175, 186, 187, 190, 191, 234, 235, 238, 239, 250, 251, 254,
255,
};
#if CONFIG_CB4X4 && CONFIG_EXT_PARTITION
static const uint16_t orders_4x8[512] = {
0, 1, 2, 3, 8, 9, 10, 11, 32, 33, 34, 35, 40, 41, 42,
43, 128, 129, 130, 131, 136, 137, 138, 139, 160, 161, 162, 163, 168, 169,
170, 171, 4, 5, 6, 7, 12, 13, 14, 15, 36, 37, 38, 39, 44,
45, 46, 47, 132, 133, 134, 135, 140, 141, 142, 143, 164, 165, 166, 167,
172, 173, 174, 175, 16, 17, 18, 19, 24, 25, 26, 27, 48, 49, 50,
51, 56, 57, 58, 59, 144, 145, 146, 147, 152, 153, 154, 155, 176, 177,
178, 179, 184, 185, 186, 187, 20, 21, 22, 23, 28, 29, 30, 31, 52,
53, 54, 55, 60, 61, 62, 63, 148, 149, 150, 151, 156, 157, 158, 159,
180, 181, 182, 183, 188, 189, 190, 191, 64, 65, 66, 67, 72, 73, 74,
75, 96, 97, 98, 99, 104, 105, 106, 107, 192, 193, 194, 195, 200, 201,
202, 203, 224, 225, 226, 227, 232, 233, 234, 235, 68, 69, 70, 71, 76,
77, 78, 79, 100, 101, 102, 103, 108, 109, 110, 111, 196, 197, 198, 199,
204, 205, 206, 207, 228, 229, 230, 231, 236, 237, 238, 239, 80, 81, 82,
83, 88, 89, 90, 91, 112, 113, 114, 115, 120, 121, 122, 123, 208, 209,
210, 211, 216, 217, 218, 219, 240, 241, 242, 243, 248, 249, 250, 251, 84,
85, 86, 87, 92, 93, 94, 95, 116, 117, 118, 119, 124, 125, 126, 127,
212, 213, 214, 215, 220, 221, 222, 223, 244, 245, 246, 247, 252, 253, 254,
255, 256, 257, 258, 259, 264, 265, 266, 267, 288, 289, 290, 291, 296, 297,
298, 299, 384, 385, 386, 387, 392, 393, 394, 395, 416, 417, 418, 419, 424,
425, 426, 427, 260, 261, 262, 263, 268, 269, 270, 271, 292, 293, 294, 295,
300, 301, 302, 303, 388, 389, 390, 391, 396, 397, 398, 399, 420, 421, 422,
423, 428, 429, 430, 431, 272, 273, 274, 275, 280, 281, 282, 283, 304, 305,
306, 307, 312, 313, 314, 315, 400, 401, 402, 403, 408, 409, 410, 411, 432,
433, 434, 435, 440, 441, 442, 443, 276, 277, 278, 279, 284, 285, 286, 287,
308, 309, 310, 311, 316, 317, 318, 319, 404, 405, 406, 407, 412, 413, 414,
415, 436, 437, 438, 439, 444, 445, 446, 447, 320, 321, 322, 323, 328, 329,
330, 331, 352, 353, 354, 355, 360, 361, 362, 363, 448, 449, 450, 451, 456,
457, 458, 459, 480, 481, 482, 483, 488, 489, 490, 491, 324, 325, 326, 327,
332, 333, 334, 335, 356, 357, 358, 359, 364, 365, 366, 367, 452, 453, 454,
455, 460, 461, 462, 463, 484, 485, 486, 487, 492, 493, 494, 495, 336, 337,
338, 339, 344, 345, 346, 347, 368, 369, 370, 371, 376, 377, 378, 379, 464,
465, 466, 467, 472, 473, 474, 475, 496, 497, 498, 499, 504, 505, 506, 507,
340, 341, 342, 343, 348, 349, 350, 351, 372, 373, 374, 375, 380, 381, 382,
383, 468, 469, 470, 471, 476, 477, 478, 479, 500, 501, 502, 503, 508, 509,
510, 511,
};
static const uint16_t orders_8x4[512] = {
0, 2, 8, 10, 32, 34, 40, 42, 128, 130, 136, 138, 160, 162, 168,
170, 1, 3, 9, 11, 33, 35, 41, 43, 129, 131, 137, 139, 161, 163,
169, 171, 4, 6, 12, 14, 36, 38, 44, 46, 132, 134, 140, 142, 164,
166, 172, 174, 5, 7, 13, 15, 37, 39, 45, 47, 133, 135, 141, 143,
165, 167, 173, 175, 16, 18, 24, 26, 48, 50, 56, 58, 144, 146, 152,
154, 176, 178, 184, 186, 17, 19, 25, 27, 49, 51, 57, 59, 145, 147,
153, 155, 177, 179, 185, 187, 20, 22, 28, 30, 52, 54, 60, 62, 148,
150, 156, 158, 180, 182, 188, 190, 21, 23, 29, 31, 53, 55, 61, 63,
149, 151, 157, 159, 181, 183, 189, 191, 64, 66, 72, 74, 96, 98, 104,
106, 192, 194, 200, 202, 224, 226, 232, 234, 65, 67, 73, 75, 97, 99,
105, 107, 193, 195, 201, 203, 225, 227, 233, 235, 68, 70, 76, 78, 100,
102, 108, 110, 196, 198, 204, 206, 228, 230, 236, 238, 69, 71, 77, 79,
101, 103, 109, 111, 197, 199, 205, 207, 229, 231, 237, 239, 80, 82, 88,
90, 112, 114, 120, 122, 208, 210, 216, 218, 240, 242, 248, 250, 81, 83,
89, 91, 113, 115, 121, 123, 209, 211, 217, 219, 241, 243, 249, 251, 84,
86, 92, 94, 116, 118, 124, 126, 212, 214, 220, 222, 244, 246, 252, 254,
85, 87, 93, 95, 117, 119, 125, 127, 213, 215, 221, 223, 245, 247, 253,
255, 256, 258, 264, 266, 288, 290, 296, 298, 384, 386, 392, 394, 416, 418,
424, 426, 257, 259, 265, 267, 289, 291, 297, 299, 385, 387, 393, 395, 417,
419, 425, 427, 260, 262, 268, 270, 292, 294, 300, 302, 388, 390, 396, 398,
420, 422, 428, 430, 261, 263, 269, 271, 293, 295, 301, 303, 389, 391, 397,
399, 421, 423, 429, 431, 272, 274, 280, 282, 304, 306, 312, 314, 400, 402,
408, 410, 432, 434, 440, 442, 273, 275, 281, 283, 305, 307, 313, 315, 401,
403, 409, 411, 433, 435, 441, 443, 276, 278, 284, 286, 308, 310, 316, 318,
404, 406, 412, 414, 436, 438, 444, 446, 277, 279, 285, 287, 309, 311, 317,
319, 405, 407, 413, 415, 437, 439, 445, 447, 320, 322, 328, 330, 352, 354,
360, 362, 448, 450, 456, 458, 480, 482, 488, 490, 321, 323, 329, 331, 353,
355, 361, 363, 449, 451, 457, 459, 481, 483, 489, 491, 324, 326, 332, 334,
356, 358, 364, 366, 452, 454, 460, 462, 484, 486, 492, 494, 325, 327, 333,
335, 357, 359, 365, 367, 453, 455, 461, 463, 485, 487, 493, 495, 336, 338,
344, 346, 368, 370, 376, 378, 464, 466, 472, 474, 496, 498, 504, 506, 337,
339, 345, 347, 369, 371, 377, 379, 465, 467, 473, 475, 497, 499, 505, 507,
340, 342, 348, 350, 372, 374, 380, 382, 468, 470, 476, 478, 500, 502, 508,
510, 341, 343, 349, 351, 373, 375, 381, 383, 469, 471, 477, 479, 501, 503,
509, 511,
};
static const uint16_t orders_4x4[1024] = {
0, 1, 4, 5, 16, 17, 20, 21, 64, 65, 68, 69, 80,
81, 84, 85, 256, 257, 260, 261, 272, 273, 276, 277, 320, 321,
324, 325, 336, 337, 340, 341, 2, 3, 6, 7, 18, 19, 22,
23, 66, 67, 70, 71, 82, 83, 86, 87, 258, 259, 262, 263,
274, 275, 278, 279, 322, 323, 326, 327, 338, 339, 342, 343, 8,
9, 12, 13, 24, 25, 28, 29, 72, 73, 76, 77, 88, 89,
92, 93, 264, 265, 268, 269, 280, 281, 284, 285, 328, 329, 332,
333, 344, 345, 348, 349, 10, 11, 14, 15, 26, 27, 30, 31,
74, 75, 78, 79, 90, 91, 94, 95, 266, 267, 270, 271, 282,
283, 286, 287, 330, 331, 334, 335, 346, 347, 350, 351, 32, 33,
36, 37, 48, 49, 52, 53, 96, 97, 100, 101, 112, 113, 116,
117, 288, 289, 292, 293, 304, 305, 308, 309, 352, 353, 356, 357,
368, 369, 372, 373, 34, 35, 38, 39, 50, 51, 54, 55, 98,
99, 102, 103, 114, 115, 118, 119, 290, 291, 294, 295, 306, 307,
310, 311, 354, 355, 358, 359, 370, 371, 374, 375, 40, 41, 44,
45, 56, 57, 60, 61, 104, 105, 108, 109, 120, 121, 124, 125,
296, 297, 300, 301, 312, 313, 316, 317, 360, 361, 364, 365, 376,
377, 380, 381, 42, 43, 46, 47, 58, 59, 62, 63, 106, 107,
110, 111, 122, 123, 126, 127, 298, 299, 302, 303, 314, 315, 318,
319, 362, 363, 366, 367, 378, 379, 382, 383, 128, 129, 132, 133,
144, 145, 148, 149, 192, 193, 196, 197, 208, 209, 212, 213, 384,
385, 388, 389, 400, 401, 404, 405, 448, 449, 452, 453, 464, 465,
468, 469, 130, 131, 134, 135, 146, 147, 150, 151, 194, 195, 198,
199, 210, 211, 214, 215, 386, 387, 390, 391, 402, 403, 406, 407,
450, 451, 454, 455, 466, 467, 470, 471, 136, 137, 140, 141, 152,
153, 156, 157, 200, 201, 204, 205, 216, 217, 220, 221, 392, 393,
396, 397, 408, 409, 412, 413, 456, 457, 460, 461, 472, 473, 476,
477, 138, 139, 142, 143, 154, 155, 158, 159, 202, 203, 206, 207,
218, 219, 222, 223, 394, 395, 398, 399, 410, 411, 414, 415, 458,
459, 462, 463, 474, 475, 478, 479, 160, 161, 164, 165, 176, 177,
180, 181, 224, 225, 228, 229, 240, 241, 244, 245, 416, 417, 420,
421, 432, 433, 436, 437, 480, 481, 484, 485, 496, 497, 500, 501,
162, 163, 166, 167, 178, 179, 182, 183, 226, 227, 230, 231, 242,
243, 246, 247, 418, 419, 422, 423, 434, 435, 438, 439, 482, 483,
486, 487, 498, 499, 502, 503, 168, 169, 172, 173, 184, 185, 188,
189, 232, 233, 236, 237, 248, 249, 252, 253, 424, 425, 428, 429,
440, 441, 444, 445, 488, 489, 492, 493, 504, 505, 508, 509, 170,
171, 174, 175, 186, 187, 190, 191, 234, 235, 238, 239, 250, 251,
254, 255, 426, 427, 430, 431, 442, 443, 446, 447, 490, 491, 494,
495, 506, 507, 510, 511, 512, 513, 516, 517, 528, 529, 532, 533,
576, 577, 580, 581, 592, 593, 596, 597, 768, 769, 772, 773, 784,
785, 788, 789, 832, 833, 836, 837, 848, 849, 852, 853, 514, 515,
518, 519, 530, 531, 534, 535, 578, 579, 582, 583, 594, 595, 598,
599, 770, 771, 774, 775, 786, 787, 790, 791, 834, 835, 838, 839,
850, 851, 854, 855, 520, 521, 524, 525, 536, 537, 540, 541, 584,
585, 588, 589, 600, 601, 604, 605, 776, 777, 780, 781, 792, 793,
796, 797, 840, 841, 844, 845, 856, 857, 860, 861, 522, 523, 526,
527, 538, 539, 542, 543, 586, 587, 590, 591, 602, 603, 606, 607,
778, 779, 782, 783, 794, 795, 798, 799, 842, 843, 846, 847, 858,
859, 862, 863, 544, 545, 548, 549, 560, 561, 564, 565, 608, 609,
612, 613, 624, 625, 628, 629, 800, 801, 804, 805, 816, 817, 820,
821, 864, 865, 868, 869, 880, 881, 884, 885, 546, 547, 550, 551,
562, 563, 566, 567, 610, 611, 614, 615, 626, 627, 630, 631, 802,
803, 806, 807, 818, 819, 822, 823, 866, 867, 870, 871, 882, 883,
886, 887, 552, 553, 556, 557, 568, 569, 572, 573, 616, 617, 620,
621, 632, 633, 636, 637, 808, 809, 812, 813, 824, 825, 828, 829,
872, 873, 876, 877, 888, 889, 892, 893, 554, 555, 558, 559, 570,
571, 574, 575, 618, 619, 622, 623, 634, 635, 638, 639, 810, 811,
814, 815, 826, 827, 830, 831, 874, 875, 878, 879, 890, 891, 894,
895, 640, 641, 644, 645, 656, 657, 660, 661, 704, 705, 708, 709,
720, 721, 724, 725, 896, 897, 900, 901, 912, 913, 916, 917, 960,
961, 964, 965, 976, 977, 980, 981, 642, 643, 646, 647, 658, 659,
662, 663, 706, 707, 710, 711, 722, 723, 726, 727, 898, 899, 902,
903, 914, 915, 918, 919, 962, 963, 966, 967, 978, 979, 982, 983,
648, 649, 652, 653, 664, 665, 668, 669, 712, 713, 716, 717, 728,
729, 732, 733, 904, 905, 908, 909, 920, 921, 924, 925, 968, 969,
972, 973, 984, 985, 988, 989, 650, 651, 654, 655, 666, 667, 670,
671, 714, 715, 718, 719, 730, 731, 734, 735, 906, 907, 910, 911,
922, 923, 926, 927, 970, 971, 974, 975, 986, 987, 990, 991, 672,
673, 676, 677, 688, 689, 692, 693, 736, 737, 740, 741, 752, 753,
756, 757, 928, 929, 932, 933, 944, 945, 948, 949, 992, 993, 996,
997, 1008, 1009, 1012, 1013, 674, 675, 678, 679, 690, 691, 694, 695,
738, 739, 742, 743, 754, 755, 758, 759, 930, 931, 934, 935, 946,
947, 950, 951, 994, 995, 998, 999, 1010, 1011, 1014, 1015, 680, 681,
684, 685, 696, 697, 700, 701, 744, 745, 748, 749, 760, 761, 764,
765, 936, 937, 940, 941, 952, 953, 956, 957, 1000, 1001, 1004, 1005,
1016, 1017, 1020, 1021, 682, 683, 686, 687, 698, 699, 702, 703, 746,
747, 750, 751, 762, 763, 766, 767, 938, 939, 942, 943, 954, 955,
958, 959, 1002, 1003, 1006, 1007, 1018, 1019, 1022, 1023,
};
#endif
#endif // CONFIG_CB4X4 || CONFIG_EXT_PARTITION
#if CONFIG_EXT_PARTITION
/* clang-format off */
static const uint16_t *const orders[BLOCK_SIZES] = {
#if CONFIG_CB4X4
#if CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
// 2X2, 2X4, 4X2
orders_4x4, orders_4x4, orders_4x4,
#endif
// 4X4
orders_4x4,
// 4X8, 8X4, 8X8
orders_4x8, orders_8x4, orders_8x8,
#else // CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
// 4X4
orders_8x8,
// 4X8, 8X4, 8X8
orders_8x8, orders_8x8, orders_8x8,
#endif
// 8X16, 16X8, 16X16
orders_8x16, orders_16x8, orders_16x16,
// 16X32, 32X16, 32X32
orders_16x32, orders_32x16, orders_32x32,
// 32X64, 64X32, 64X64
orders_32x64, orders_64x32, orders_64x64,
// 64x128, 128x64, 128x128
orders_64x128, orders_128x64, orders_128x128
};
/* clang-format on */
#else
/* clang-format off */
static const uint16_t *const orders[BLOCK_SIZES] = {
#if CONFIG_CB4X4
#if CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
// 2X2, 2X4, 4X2
orders_8x8, orders_8x8, orders_8x8,
#endif
// 4X4
orders_8x8,
// 4X8, 8X4, 8X8
orders_8x16, orders_16x8, orders_16x16,
#else // CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
// 4X4
orders_16x16,
// 4X8, 8X4, 8X8
orders_16x16, orders_16x16, orders_16x16,
#endif
// 8X16, 16X8, 16X16
orders_16x32, orders_32x16, orders_32x32,
// 16X32, 32X16, 32X32
orders_32x64, orders_64x32, orders_64x64,
// 32X64, 64X32, 64X64
orders_64x128, orders_128x64, orders_128x128
};
/* clang-format on */
#endif // CONFIG_EXT_PARTITION
#if CONFIG_EXT_PARTITION_TYPES
static const uint16_t orders_verta_64x64[4] = {
0, 2, 1, 2,
};
static const uint16_t orders_verta_32x32[16] = {
0, 2, 4, 6, 1, 2, 5, 6, 8, 10, 12, 14, 9, 10, 13, 14,
};
static const uint16_t orders_verta_16x16[64] = {
0, 2, 4, 6, 16, 18, 20, 22, 1, 2, 5, 6, 17, 18, 21, 22,
8, 10, 12, 14, 24, 26, 28, 30, 9, 10, 13, 14, 25, 26, 29, 30,
32, 34, 36, 38, 48, 50, 52, 54, 33, 34, 37, 38, 49, 50, 53, 54,
40, 42, 44, 46, 56, 58, 60, 62, 41, 42, 45, 46, 57, 58, 61, 62,
};
#if CONFIG_EXT_PARTITION || CONFIG_CB4X4
static const uint16_t orders_verta_8x8[256] = {
0, 2, 4, 6, 16, 18, 20, 22, 64, 66, 68, 70, 80, 82, 84,
86, 1, 2, 5, 6, 17, 18, 21, 22, 65, 66, 69, 70, 81, 82,
85, 86, 8, 10, 12, 14, 24, 26, 28, 30, 72, 74, 76, 78, 88,
90, 92, 94, 9, 10, 13, 14, 25, 26, 29, 30, 73, 74, 77, 78,
89, 90, 93, 94, 32, 34, 36, 38, 48, 50, 52, 54, 96, 98, 100,
102, 112, 114, 116, 118, 33, 34, 37, 38, 49, 50, 53, 54, 97, 98,
101, 102, 113, 114, 117, 118, 40, 42, 44, 46, 56, 58, 60, 62, 104,
106, 108, 110, 120, 122, 124, 126, 41, 42, 45, 46, 57, 58, 61, 62,
105, 106, 109, 110, 121, 122, 125, 126, 128, 130, 132, 134, 144, 146, 148,
150, 192, 194, 196, 198, 208, 210, 212, 214, 129, 130, 133, 134, 145, 146,
149, 150, 193, 194, 197, 198, 209, 210, 213, 214, 136, 138, 140, 142, 152,
154, 156, 158, 200, 202, 204, 206, 216, 218, 220, 222, 137, 138, 141, 142,
153, 154, 157, 158, 201, 202, 205, 206, 217, 218, 221, 222, 160, 162, 164,
166, 176, 178, 180, 182, 224, 226, 228, 230, 240, 242, 244, 246, 161, 162,
165, 166, 177, 178, 181, 182, 225, 226, 229, 230, 241, 242, 245, 246, 168,
170, 172, 174, 184, 186, 188, 190, 232, 234, 236, 238, 248, 250, 252, 254,
169, 170, 173, 174, 185, 186, 189, 190, 233, 234, 237, 238, 249, 250, 253,
254,
};
#endif // CONFIG_EXT_PARTITION || CONFIG_CB4X4
#if CONFIG_EXT_PARTITION
/* clang-format off */
static const uint16_t *const orders_verta[BLOCK_SIZES] = {
#if CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
// 2X2, 2X4, 4X2
orders_4x4, orders_4x4, orders_4x4,
#endif
// 4X4
orders_verta_8x8,
// 4X8, 8X4, 8X8
orders_verta_8x8, orders_verta_8x8, orders_verta_8x8,
// 8X16, 16X8, 16X16
orders_8x16, orders_16x8, orders_verta_16x16,
// 16X32, 32X16, 32X32
orders_16x32, orders_32x16, orders_verta_32x32,
// 32X64, 64X32, 64X64
orders_32x64, orders_64x32, orders_verta_64x64,
// 64x128, 128x64, 128x128
orders_64x128, orders_128x64, orders_128x128
};
/* clang-format on */
#else
/* clang-format off */
static const uint16_t *const orders_verta[BLOCK_SIZES] = {
#if CONFIG_CB4X4
#if CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
// 2X2, 2X4, 4X2
orders_verta_8x8, orders_verta_8x8, orders_verta_8x8,
#endif
// 4X4
orders_verta_8x8,
// 4X8, 8X4, 8X8
orders_verta_8x8, orders_verta_8x8, orders_verta_16x16,
#else // CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
// 4X4
orders_verta_16x16,
// 4X8, 8X4, 8X8
orders_verta_16x16, orders_verta_16x16, orders_verta_16x16,
#endif
// 8X16, 16X8, 16X16
orders_16x32, orders_32x16, orders_verta_32x32,
// 16X32, 32X16, 32X32
orders_32x64, orders_64x32, orders_verta_64x64,
// 32X64, 64X32, 64X64
orders_64x128, orders_128x64, orders_128x128
};
/* clang-format on */
#endif // CONFIG_EXT_PARTITION
#endif // CONFIG_EXT_PARTITION_TYPES
static int has_top_right(BLOCK_SIZE bsize, int mi_row, int mi_col,
int top_available, int right_available,
#if CONFIG_EXT_PARTITION_TYPES
PARTITION_TYPE partition,
#endif
TX_SIZE txsz, int row_off, int col_off, int ss_x) {
if (!top_available || !right_available) return 0;
#if !CONFIG_CB4X4
// TODO(bshacklett, huisu): Currently the RD loop traverses 4X8 blocks in
// inverted N order while in the bitstream the subblocks are stored in Z
// order. This discrepancy makes this function incorrect when considering 4X8
// blocks in the RD loop, so we disable the extended right edge for these
// blocks. The correct solution is to change the bitstream to store these
// blocks in inverted N order, and then update this function appropriately.
if (bsize == BLOCK_4X8 && row_off == 1) return 0;
#endif
const int bw_unit = block_size_wide[bsize] >> tx_size_wide_log2[0];
const int plane_bw_unit = AOMMAX(bw_unit >> ss_x, 1);
const int top_right_count_unit = tx_size_wide_unit[txsz];
#if !CONFIG_CB4X4
// Special handling for block sizes 4x8 and 4x4.
if (ss_x == 0 && bw_unit < 2 && col_off == 0) return 1;
#endif
if (row_off > 0) { // Just need to check if enough pixels on the right.
return col_off + top_right_count_unit < plane_bw_unit;
} else {
// All top-right pixels are in the block above, which is already available.
if (col_off + top_right_count_unit < plane_bw_unit) return 1;
const int bw_in_mi_log2 = mi_width_log2_lookup[bsize];
const int bh_in_mi_log2 = mi_height_log2_lookup[bsize];
const int blk_row_in_sb = (mi_row & MAX_MIB_MASK) >> bh_in_mi_log2;
const int blk_col_in_sb = (mi_col & MAX_MIB_MASK) >> bw_in_mi_log2;
// Top row of superblock: so top-right pixels are in the top and/or
// top-right superblocks, both of which are already available.
if (blk_row_in_sb == 0) return 1;
// Rightmost column of superblock (and not the top row): so top-right pixels
// fall in the right superblock, which is not available yet.
if (((blk_col_in_sb + 1) << bw_in_mi_log2) >= MAX_MIB_SIZE) return 0;
// General case (neither top row nor rightmost column): check if the
// top-right block is coded before the current block.
const uint16_t *const order =
#if CONFIG_EXT_PARTITION_TYPES
(partition == PARTITION_VERT_A) ? orders_verta[bsize] :
#endif // CONFIG_EXT_PARTITION_TYPES
orders[bsize];
const int this_blk_index =
((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
blk_col_in_sb + 0;
const uint16_t this_blk_order = order[this_blk_index];
const int tr_blk_index =
((blk_row_in_sb - 1) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
blk_col_in_sb + 1;
const uint16_t tr_blk_order = order[tr_blk_index];
return tr_blk_order < this_blk_order;
}
}
static int has_bottom_left(BLOCK_SIZE bsize, int mi_row, int mi_col,
int bottom_available, int left_available,
TX_SIZE txsz, int row_off, int col_off, int ss_y) {
if (!bottom_available || !left_available) return 0;
if (col_off > 0) {
// Bottom-left pixels are in the bottom-left block, which is not available.
return 0;
} else {
const int bh_unit = block_size_high[bsize] >> tx_size_high_log2[0];
const int plane_bh_unit = AOMMAX(bh_unit >> ss_y, 1);
const int bottom_left_count_unit = tx_size_high_unit[txsz];
#if !CONFIG_CB4X4
// Special handling for block sizes 8x4 and 4x4.
if (ss_y == 0 && bh_unit < 2 && row_off == 0) return 1;
#endif
// All bottom-left pixels are in the left block, which is already available.
if (row_off + bottom_left_count_unit < plane_bh_unit) return 1;
const int bw_in_mi_log2 = mi_width_log2_lookup[bsize];
const int bh_in_mi_log2 = mi_height_log2_lookup[bsize];
const int blk_row_in_sb = (mi_row & MAX_MIB_MASK) >> bh_in_mi_log2;
const int blk_col_in_sb = (mi_col & MAX_MIB_MASK) >> bw_in_mi_log2;
// Leftmost column of superblock: so bottom-left pixels maybe in the left
// and/or bottom-left superblocks. But only the left superblock is
// available, so check if all required pixels fall in that superblock.
if (blk_col_in_sb == 0) {
const int blk_start_row_off = blk_row_in_sb
<< (bh_in_mi_log2 + MI_SIZE_LOG2 -
tx_size_wide_log2[0]) >>
ss_y;
const int row_off_in_sb = blk_start_row_off + row_off;
const int sb_height_unit =
MAX_MIB_SIZE << (MI_SIZE_LOG2 - tx_size_wide_log2[0]) >> ss_y;
return row_off_in_sb + bottom_left_count_unit < sb_height_unit;
}
// Bottom row of superblock (and not the leftmost column): so bottom-left
// pixels fall in the bottom superblock, which is not available yet.
if (((blk_row_in_sb + 1) << bh_in_mi_log2) >= MAX_MIB_SIZE) return 0;
// General case (neither leftmost column nor bottom row): check if the
// bottom-left block is coded before the current block.
const uint16_t *const order = orders[bsize];
const int this_blk_index =
((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
blk_col_in_sb + 0;
const uint16_t this_blk_order = order[this_blk_index];
const int bl_blk_index =
((blk_row_in_sb + 1) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
blk_col_in_sb - 1;
const uint16_t bl_blk_order = order[bl_blk_index];
return bl_blk_order < this_blk_order;
}
}
typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left);
static intra_pred_fn pred[INTRA_MODES][TX_SIZES_ALL];
static intra_pred_fn dc_pred[2][2][TX_SIZES_ALL];
#if CONFIG_HIGHBITDEPTH
typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride,
const uint16_t *above, const uint16_t *left,
int bd);
static intra_high_pred_fn pred_high[INTRA_MODES][TX_SIZES_ALL];
static intra_high_pred_fn dc_pred_high[2][2][TX_SIZES_ALL];
#endif // CONFIG_HIGHBITDEPTH
static void av1_init_intra_predictors_internal(void) {
#if CONFIG_EXT_INTRA
assert(NELEMENTS(mode_to_angle_map) == INTRA_MODES);
#endif // CONFIG_EXT_INTRA
#define INIT_RECTANGULAR(p, type) \
p[TX_4X8] = aom_##type##_predictor_4x8; \
p[TX_8X4] = aom_##type##_predictor_8x4; \
p[TX_8X16] = aom_##type##_predictor_8x16; \
p[TX_16X8] = aom_##type##_predictor_16x8; \
p[TX_16X32] = aom_##type##_predictor_16x32; \
p[TX_32X16] = aom_##type##_predictor_32x16;
#if CONFIG_TX64X64
#define INIT_NO_4X4(p, type) \
p[TX_8X8] = aom_##type##_predictor_8x8; \
p[TX_16X16] = aom_##type##_predictor_16x16; \
p[TX_32X32] = aom_##type##_predictor_32x32; \
p[TX_64X64] = aom_##type##_predictor_64x64; \
INIT_RECTANGULAR(p, type)
#else
#define INIT_NO_4X4(p, type) \
p[TX_8X8] = aom_##type##_predictor_8x8; \
p[TX_16X16] = aom_##type##_predictor_16x16; \
p[TX_32X32] = aom_##type##_predictor_32x32; \
INIT_RECTANGULAR(p, type)
#endif // CONFIG_TX64X64
#if CONFIG_CHROMA_2X2
#define INIT_ALL_SIZES(p, type) \
p[TX_2X2] = aom_##type##_predictor_2x2; \
p[TX_4X4] = aom_##type##_predictor_4x4; \
INIT_NO_4X4(p, type)
#else
#define INIT_ALL_SIZES(p, type) \
p[TX_4X4] = aom_##type##_predictor_4x4; \
INIT_NO_4X4(p, type)
#endif
INIT_ALL_SIZES(pred[V_PRED], v);
INIT_ALL_SIZES(pred[H_PRED], h);
INIT_ALL_SIZES(pred[D207_PRED], d207e);
INIT_ALL_SIZES(pred[D45_PRED], d45e);
INIT_ALL_SIZES(pred[D63_PRED], d63e);
INIT_ALL_SIZES(pred[D117_PRED], d117);
INIT_ALL_SIZES(pred[D135_PRED], d135);
INIT_ALL_SIZES(pred[D153_PRED], d153);
#if CONFIG_ALT_INTRA
INIT_ALL_SIZES(pred[TM_PRED], paeth);
INIT_ALL_SIZES(pred[SMOOTH_PRED], smooth);
#if CONFIG_SMOOTH_HV
INIT_ALL_SIZES(pred[SMOOTH_V_PRED], smooth_v);
INIT_ALL_SIZES(pred[SMOOTH_H_PRED], smooth_h);
#endif // CONFIG_SMOOTH_HV
#else
INIT_ALL_SIZES(pred[TM_PRED], tm);
#endif // CONFIG_ALT_INTRA
INIT_ALL_SIZES(dc_pred[0][0], dc_128);
INIT_ALL_SIZES(dc_pred[0][1], dc_top);
INIT_ALL_SIZES(dc_pred[1][0], dc_left);
INIT_ALL_SIZES(dc_pred[1][1], dc);
#if CONFIG_HIGHBITDEPTH
INIT_ALL_SIZES(pred_high[V_PRED], highbd_v);
INIT_ALL_SIZES(pred_high[H_PRED], highbd_h);
INIT_ALL_SIZES(pred_high[D207_PRED], highbd_d207e);
INIT_ALL_SIZES(pred_high[D45_PRED], highbd_d45e);
INIT_ALL_SIZES(pred_high[D63_PRED], highbd_d63e);
INIT_ALL_SIZES(pred_high[D117_PRED], highbd_d117);
INIT_ALL_SIZES(pred_high[D135_PRED], highbd_d135);
INIT_ALL_SIZES(pred_high[D153_PRED], highbd_d153);
#if CONFIG_ALT_INTRA
INIT_ALL_SIZES(pred_high[TM_PRED], highbd_paeth);
INIT_ALL_SIZES(pred_high[SMOOTH_PRED], highbd_smooth);
#if CONFIG_SMOOTH_HV
INIT_ALL_SIZES(pred_high[SMOOTH_V_PRED], highbd_smooth_v);
INIT_ALL_SIZES(pred_high[SMOOTH_H_PRED], highbd_smooth_h);
#endif // CONFIG_SMOOTH_HV
#else
INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm);
#endif // CONFIG_ALT_INTRA
INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128);
INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top);
INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left);
INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc);
#endif // CONFIG_HIGHBITDEPTH
#undef intra_pred_allsizes
}
#if CONFIG_EXT_INTRA
#if CONFIG_INTRA_INTERP
static int intra_subpel_interp(int base, int shift, const uint8_t *ref,
int ref_start_idx, int ref_end_idx,
INTRA_FILTER filter_type) {
int val, k, idx, filter_idx = 0;
const int16_t *filter = NULL;
if (filter_type == INTRA_FILTER_LINEAR) {
val = ref[base] * (256 - shift) + ref[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
} else {
filter_idx = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
filter = av1_intra_filter_kernels[filter_type][filter_idx];
if (filter_idx < (1 << SUBPEL_BITS)) {
val = 0;
for (k = 0; k < SUBPEL_TAPS; ++k) {
idx = base + 1 - (SUBPEL_TAPS / 2) + k;
idx = AOMMAX(AOMMIN(idx, ref_end_idx), ref_start_idx);
val += ref[idx] * filter[k];
}
val = ROUND_POWER_OF_TWO(val, FILTER_BITS);
} else {
val = ref[base + 1];
}
}
return val;
}
#endif // CONFIG_INTRA_INTERP
// Directional prediction, zone 1: 0 < angle < 90
static void dr_prediction_z1(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_above,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int dx, int dy) {
int r, c, x, base, shift, val;
(void)left;
(void)dy;
assert(dy == 1);
assert(dx > 0);
#if CONFIG_INTRA_INTERP
if (filter_type != INTRA_FILTER_LINEAR) {
const int pad_size = SUBPEL_TAPS >> 1;
int len;
DECLARE_ALIGNED(16, uint8_t, buf[SUBPEL_SHIFTS][MAX_SB_SIZE]);
DECLARE_ALIGNED(16, uint8_t, src[MAX_SB_SIZE + SUBPEL_TAPS]);
uint8_t flags[SUBPEL_SHIFTS];
memset(flags, 0, SUBPEL_SHIFTS * sizeof(flags[0]));
memset(src, above[0], pad_size * sizeof(above[0]));
memcpy(src + pad_size, above, (bw + bh) * sizeof(above[0]));
memset(src + pad_size + bw + bh, above[bw + bh - 1],
pad_size * sizeof(above[0]));
flags[0] = 1;
x = dx;
for (r = 0; r < bh; ++r, dst += stride, x += dx) {
base = x >> 8;
shift = x & 0xFF;
shift = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
if (shift == SUBPEL_SHIFTS) {
base += 1;
shift = 0;
}
len = AOMMIN(bw, bw + bh - 1 - base);
if (len <= 0) {
int i;
for (i = r; i < bh; ++i) {
memset(dst, above[bw + bh - 1], bw * sizeof(dst[0]));
dst += stride;
}
return;
}
if (len <= (bw >> 1) && !flags[shift]) {
base = x >> 8;
shift = x & 0xFF;
for (c = 0; c < len; ++c) {
val = intra_subpel_interp(base, shift, above, 0, bw + bh - 1,
filter_type);
dst[c] = clip_pixel(val);
++base;
}
} else {
if (!flags[shift]) {
const int16_t *filter = av1_intra_filter_kernels[filter_type][shift];
aom_convolve8_horiz(src + pad_size, bw + bh, buf[shift], bw + bh,
filter, 16, NULL, 16, bw + bh,
bw + bh < 16 ? 2 : 1);
flags[shift] = 1;
}
memcpy(dst, shift == 0 ? src + pad_size + base : &buf[shift][base],
len * sizeof(dst[0]));
}
if (len < bw)
memset(dst + len, above[bw + bh - 1], (bw - len) * sizeof(dst[0]));
}
return;
}
#endif // CONFIG_INTRA_INTERP
#if !CONFIG_INTRA_EDGE_UPSAMPLE
const int upsample_above = 0;
#endif // !CONFIG_INTRA_EDGE_UPSAMPLE
const int max_base_x = ((bw + bh) - 1) << upsample_above;
const int frac_bits = 8 - upsample_above;
const int base_inc = 1 << upsample_above;
x = dx;
for (r = 0; r < bh; ++r, dst += stride, x += dx) {
base = x >> frac_bits;
shift = (x << upsample_above) & 0xFF;
if (base >= max_base_x) {
for (int i = r; i < bh; ++i) {
memset(dst, above[max_base_x], bw * sizeof(dst[0]));
dst += stride;
}
return;
}
for (c = 0; c < bw; ++c, base += base_inc) {
if (base < max_base_x) {
val = above[base] * (256 - shift) + above[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
dst[c] = clip_pixel(val);
} else {
dst[c] = above[max_base_x];
}
}
}
}
// Directional prediction, zone 2: 90 < angle < 180
static void dr_prediction_z2(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_above, int upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int dx, int dy) {
int r, c, x, y, shift1, shift2, val, base1, base2;
assert(dx > 0);
assert(dy > 0);
#if !CONFIG_INTRA_EDGE_UPSAMPLE
const int upsample_above = 0;
const int upsample_left = 0;
#endif // !CONFIG_INTRA_EDGE_UPSAMPLE
const int min_base_x = -(1 << upsample_above);
const int frac_bits_x = 8 - upsample_above;
const int frac_bits_y = 8 - upsample_left;
const int base_inc_x = 1 << upsample_above;
x = -dx;
for (r = 0; r < bh; ++r, x -= dx, dst += stride) {
base1 = x >> frac_bits_x;
y = (r << 8) - dy;
for (c = 0; c < bw; ++c, base1 += base_inc_x, y -= dy) {
if (base1 >= min_base_x) {
shift1 = (x * (1 << upsample_above)) & 0xFF;
#if CONFIG_INTRA_INTERP
val =
intra_subpel_interp(base1, shift1, above, -1, bw - 1, filter_type);
#else
val = above[base1] * (256 - shift1) + above[base1 + 1] * shift1;
val = ROUND_POWER_OF_TWO(val, 8);
#endif // CONFIG_INTRA_INTERP
} else {
base2 = y >> frac_bits_y;
assert(base2 >= -(1 << upsample_left));
shift2 = (y * (1 << upsample_left)) & 0xFF;
#if CONFIG_INTRA_INTERP
val = intra_subpel_interp(base2, shift2, left, -1, bh - 1, filter_type);
#else
val = left[base2] * (256 - shift2) + left[base2 + 1] * shift2;
val = ROUND_POWER_OF_TWO(val, 8);
#endif // CONFIG_INTRA_INTERP
}
dst[c] = clip_pixel(val);
}
}
}
// Directional prediction, zone 3: 180 < angle < 270
static void dr_prediction_z3(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int dx, int dy) {
int r, c, y, base, shift, val;
(void)above;
(void)dx;
assert(dx == 1);
assert(dy > 0);
#if CONFIG_INTRA_INTERP
if (filter_type != INTRA_FILTER_LINEAR) {
const int pad_size = SUBPEL_TAPS >> 1;
int len, i;
DECLARE_ALIGNED(16, uint8_t, buf[MAX_SB_SIZE][4 * SUBPEL_SHIFTS]);
DECLARE_ALIGNED(16, uint8_t, src[(MAX_SB_SIZE + SUBPEL_TAPS) * 4]);
uint8_t flags[SUBPEL_SHIFTS];
memset(flags, 0, SUBPEL_SHIFTS * sizeof(flags[0]));
for (i = 0; i < pad_size; ++i) src[4 * i] = left[0];
for (i = 0; i < bw + bh; ++i) src[4 * (i + pad_size)] = left[i];
for (i = 0; i < pad_size; ++i)
src[4 * (i + bw + bh + pad_size)] = left[bw + bh - 1];
flags[0] = 1;
y = dy;
for (c = 0; c < bw; ++c, y += dy) {
base = y >> 8;
shift = y & 0xFF;
shift = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
if (shift == SUBPEL_SHIFTS) {
base += 1;
shift = 0;
}
len = AOMMIN(bh, bw + bh - 1 - base);
if (len <= 0) {
for (r = 0; r < bh; ++r) {
dst[r * stride + c] = left[bw + bh - 1];
}
continue;
}
if (len <= (bh >> 1) && !flags[shift]) {
base = y >> 8;
shift = y & 0xFF;
for (r = 0; r < len; ++r) {
val = intra_subpel_interp(base, shift, left, 0, bw + bh - 1,
filter_type);
dst[r * stride + c] = clip_pixel(val);
++base;
}
} else {
if (!flags[shift]) {
const int16_t *filter = av1_intra_filter_kernels[filter_type][shift];
aom_convolve8_vert(src + 4 * pad_size, 4, buf[0] + 4 * shift,
4 * SUBPEL_SHIFTS, NULL, 16, filter, 16,
bw + bh < 16 ? 4 : 4, bw + bh);
flags[shift] = 1;
}
if (shift == 0) {
for (r = 0; r < len; ++r) {
dst[r * stride + c] = left[r + base];
}
} else {
for (r = 0; r < len; ++r) {
dst[r * stride + c] = buf[r + base][4 * shift];
}
}
}
if (len < bh) {
for (r = len; r < bh; ++r) {
dst[r * stride + c] = left[bw + bh - 1];
}
}
}
return;
}
#endif // CONFIG_INTRA_INTERP
#if !CONFIG_INTRA_EDGE_UPSAMPLE
const int upsample_left = 0;
#endif // !CONFIG_INTRA_EDGE_UPSAMPLE
const int max_base_y = (bw + bh - 1) << upsample_left;
const int frac_bits = 8 - upsample_left;
const int base_inc = 1 << upsample_left;
y = dy;
for (c = 0; c < bw; ++c, y += dy) {
base = y >> frac_bits;
shift = (y << upsample_left) & 0xFF;
for (r = 0; r < bh; ++r, base += base_inc) {
if (base < max_base_y) {
val = left[base] * (256 - shift) + left[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
dst[r * stride + c] = clip_pixel(val);
} else {
for (; r < bh; ++r) dst[r * stride + c] = left[max_base_y];
break;
}
}
}
}
// Get the shift (up-scaled by 256) in X w.r.t a unit change in Y.
// If angle > 0 && angle < 90, dx = -((int)(256 / t));
// If angle > 90 && angle < 180, dx = (int)(256 / t);
// If angle > 180 && angle < 270, dx = 1;
static INLINE int get_dx(int angle) {
if (angle > 0 && angle < 90) {
return dr_intra_derivative[angle];
} else if (angle > 90 && angle < 180) {
return dr_intra_derivative[180 - angle];
} else {
// In this case, we are not really going to use dx. We may return any value.
return 1;
}
}
// Get the shift (up-scaled by 256) in Y w.r.t a unit change in X.
// If angle > 0 && angle < 90, dy = 1;
// If angle > 90 && angle < 180, dy = (int)(256 * t);
// If angle > 180 && angle < 270, dy = -((int)(256 * t));
static INLINE int get_dy(int angle) {
if (angle > 90 && angle < 180) {
return dr_intra_derivative[angle - 90];
} else if (angle > 180 && angle < 270) {
return dr_intra_derivative[270 - angle];
} else {
// In this case, we are not really going to use dy. We may return any value.
return 1;
}
}
static void dr_predictor(uint8_t *dst, ptrdiff_t stride, TX_SIZE tx_size,
const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_above, int upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int angle) {
const int dx = get_dx(angle);
const int dy = get_dy(angle);
const int bw = tx_size_wide[tx_size];
const int bh = tx_size_high[tx_size];
assert(angle > 0 && angle < 270);
if (angle > 0 && angle < 90) {
dr_prediction_z1(dst, stride, bw, bh, above, left,
#if CONFIG_INTRA_INTERP
filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
upsample_above,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
dx, dy);
} else if (angle > 90 && angle < 180) {
dr_prediction_z2(dst, stride, bw, bh, above, left,
#if CONFIG_INTRA_INTERP
filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
upsample_above, upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
dx, dy);
} else if (angle > 180 && angle < 270) {
dr_prediction_z3(dst, stride, bw, bh, above, left,
#if CONFIG_INTRA_INTERP
filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
dx, dy);
} else if (angle == 90) {
pred[V_PRED][tx_size](dst, stride, above, left);
} else if (angle == 180) {
pred[H_PRED][tx_size](dst, stride, above, left);
}
}
#if CONFIG_HIGHBITDEPTH
#if CONFIG_INTRA_INTERP
static int highbd_intra_subpel_interp(int base, int shift, const uint16_t *ref,
int ref_start_idx, int ref_end_idx,
INTRA_FILTER filter_type) {
int val, k, idx, filter_idx = 0;
const int16_t *filter = NULL;
if (filter_type == INTRA_FILTER_LINEAR) {
val = ref[base] * (256 - shift) + ref[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
} else {
filter_idx = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
filter = av1_intra_filter_kernels[filter_type][filter_idx];
if (filter_idx < (1 << SUBPEL_BITS)) {
val = 0;
for (k = 0; k < SUBPEL_TAPS; ++k) {
idx = base + 1 - (SUBPEL_TAPS / 2) + k;
idx = AOMMAX(AOMMIN(idx, ref_end_idx), ref_start_idx);
val += ref[idx] * filter[k];
}
val = ROUND_POWER_OF_TWO(val, FILTER_BITS);
} else {
val = ref[base + 1];
}
}
return val;
}
#endif // CONFIG_INTRA_INTERP
// Directional prediction, zone 1: 0 < angle < 90
static void highbd_dr_prediction_z1(uint16_t *dst, ptrdiff_t stride, int bw,
int bh, const uint16_t *above,
const uint16_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_above,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int dx, int dy, int bd) {
int r, c, x, base, shift, val;
(void)left;
(void)dy;
assert(dy == 1);
assert(dx > 0);
#if !CONFIG_INTRA_EDGE_UPSAMPLE
const int upsample_above = 0;
#endif // !CONFIG_INTRA_EDGE_UPSAMPLE
const int max_base_x = ((bw + bh) - 1) << upsample_above;
const int frac_bits = 8 - upsample_above;
const int base_inc = 1 << upsample_above;
x = dx;
for (r = 0; r < bh; ++r, dst += stride, x += dx) {
base = x >> frac_bits;
shift = (x << upsample_above) & 0xFF;
if (base >= max_base_x) {
for (int i = r; i < bh; ++i) {
aom_memset16(dst, above[max_base_x], bw);
dst += stride;
}
return;
}
for (c = 0; c < bw; ++c, base += base_inc) {
if (base < max_base_x) {
#if CONFIG_INTRA_INTERP
val = highbd_intra_subpel_interp(base, shift, above, 0, bw + bh - 1,
filter_type);
#else
val = above[base] * (256 - shift) + above[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
#endif // CONFIG_INTRA_INTERP
dst[c] = clip_pixel_highbd(val, bd);
} else {
dst[c] = above[max_base_x];
}
}
}
}
// Directional prediction, zone 2: 90 < angle < 180
static void highbd_dr_prediction_z2(uint16_t *dst, ptrdiff_t stride, int bw,
int bh, const uint16_t *above,
const uint16_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_above, int upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int dx, int dy, int bd) {
int r, c, x, y, shift, val, base;
assert(dx > 0);
assert(dy > 0);
#if !CONFIG_INTRA_EDGE_UPSAMPLE
const int upsample_above = 0;
const int upsample_left = 0;
#endif // !CONFIG_INTRA_EDGE_UPSAMPLE
const int min_base_x = -(1 << upsample_above);
const int frac_bits_x = 8 - upsample_above;
const int frac_bits_y = 8 - upsample_left;
for (r = 0; r < bh; ++r) {
for (c = 0; c < bw; ++c) {
y = r + 1;
x = (c << 8) - y * dx;
base = x >> frac_bits_x;
if (base >= min_base_x) {
shift = (x * (1 << upsample_above)) & 0xFF;
#if CONFIG_INTRA_INTERP
val = highbd_intra_subpel_interp(base, shift, above, -1, bw - 1,
filter_type);
#else
val = above[base] * (256 - shift) + above[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
#endif // CONFIG_INTRA_INTERP
} else {
x = c + 1;
y = (r << 8) - x * dy;
base = y >> frac_bits_y;
shift = (y * (1 << upsample_left)) & 0xFF;
#if CONFIG_INTRA_INTERP
val = highbd_intra_subpel_interp(base, shift, left, -1, bh - 1,
filter_type);
#else
val = left[base] * (256 - shift) + left[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
#endif // CONFIG_INTRA_INTERP
}
dst[c] = clip_pixel_highbd(val, bd);
}
dst += stride;
}
}
// Directional prediction, zone 3: 180 < angle < 270
static void highbd_dr_prediction_z3(uint16_t *dst, ptrdiff_t stride, int bw,
int bh, const uint16_t *above,
const uint16_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter_type,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int dx, int dy, int bd) {
int r, c, y, base, shift, val;
(void)above;
(void)dx;
assert(dx == 1);
assert(dy > 0);
#if !CONFIG_INTRA_EDGE_UPSAMPLE
const int upsample_left = 0;
#endif // !CONFIG_INTRA_EDGE_UPSAMPLE
const int max_base_y = (bw + bh - 1) << upsample_left;
const int frac_bits = 8 - upsample_left;
const int base_inc = 1 << upsample_left;
y = dy;
for (c = 0; c < bw; ++c, y += dy) {
base = y >> frac_bits;
shift = (y << upsample_left) & 0xFF;
for (r = 0; r < bh; ++r, base += base_inc) {
if (base < max_base_y) {
#if CONFIG_INTRA_INTERP
val = highbd_intra_subpel_interp(base, shift, left, 0, bw + bh - 1,
filter_type);
#else
val = left[base] * (256 - shift) + left[base + 1] * shift;
val = ROUND_POWER_OF_TWO(val, 8);
#endif // CONFIG_INTRA_INTERP
dst[r * stride + c] = clip_pixel_highbd(val, bd);
} else {
for (; r < bh; ++r) dst[r * stride + c] = left[max_base_y];
break;
}
}
}
}
static void highbd_dr_predictor(uint16_t *dst, ptrdiff_t stride,
TX_SIZE tx_size, const uint16_t *above,
const uint16_t *left,
#if CONFIG_INTRA_INTERP
INTRA_FILTER filter,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
int upsample_above, int upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
int angle, int bd) {
const int dx = get_dx(angle);
const int dy = get_dy(angle);
const int bw = tx_size_wide[tx_size];
const int bh = tx_size_high[tx_size];
assert(angle > 0 && angle < 270);
if (angle > 0 && angle < 90) {
highbd_dr_prediction_z1(dst, stride, bw, bh, above, left,
#if CONFIG_INTRA_INTERP
filter,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
upsample_above,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
dx, dy, bd);
} else if (angle > 90 && angle < 180) {
highbd_dr_prediction_z2(dst, stride, bw, bh, above, left,
#if CONFIG_INTRA_INTERP
filter,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
upsample_above, upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
dx, dy, bd);
} else if (angle > 180 && angle < 270) {
highbd_dr_prediction_z3(dst, stride, bw, bh, above, left,
#if CONFIG_INTRA_INTERP
filter,
#endif // CONFIG_INTRA_INTERP
#if CONFIG_INTRA_EDGE_UPSAMPLE
upsample_left,
#endif // CONFIG_INTRA_EDGE_UPSAMPLE
dx, dy, bd);
} else if (angle == 90) {
pred_high[V_PRED][tx_size](dst, stride, above, left, bd);
} else if (angle == 180) {
pred_high[H_PRED][tx_size](dst, stride, above, left, bd);
}
}
#endif // CONFIG_HIGHBITDEPTH
#endif // CONFIG_EXT_INTRA
#if CONFIG_FILTER_INTRA
#if USE_3TAP_INTRA_FILTER
static int filter_intra_taps_3[TX_SIZES][FILTER_INTRA_MODES][3] = {
#if CONFIG_CHROMA_2X2
{
{ 697, 836, -509 },
{ 993, 513, -482 },
{ 381, 984, -341 },
{ 642, 1169, -787 },
{ 590, 553, -119 },
{ 762, 385, -123 },
{ 358, 687, -21 },
{ 411, 1083, -470 },
{ 912, 814, -702 },
{ 883, 902, -761 },
},
#endif
{
{ 697, 836, -509 },
{ 993, 513, -482 },
{ 381, 984, -341 },
{ 642, 1169, -787 },
{ 590, 553, -119 },
{ 762, 385, -123 },
{ 358, 687, -21 },
{ 411, 1083, -470 },
{ 912, 814, -702 },
{ 883, 902, -761 },
},
{
{ 659, 816, -451 },
{ 980, 625, -581 },
{ 558, 962, -496 },
{ 681, 888, -545 },
{ 591, 613, 180 },
{ 778, 399, -153 },
{ 495, 641, -112 },
{ 671, 937, -584 },
{ 745, 940, -661 },
{ 839, 911, -726 },
},
{
{ 539, 927, -442 },
{ 1003, 714, -693 },
{ 349, 1271, -596 },
{ 820, 764, -560 },
{ 524, 816, -316 },
{ 780, 681, -437 },
{ 586, 795, -357 },
{ 551, 1135, -663 },
{ 593, 1061, -630 },
{ 974, 970, -920 },
},
{
{ 595, 919, -490 },
{ 945, 668, -579 },
{ 495, 962, -433 },
{ 385, 1551, -912 },
{ 455, 554, 15 },
{ 852, 478, -306 },
{ 177, 760, -87 },
{ -65, 1611, -522 },
{ 815, 894, -685 },
{ 846, 1010, -832 },
},
#if CONFIG_TX64X64
{
{ 595, 919, -490 },
{ 945, 668, -579 },
{ 495, 962, -433 },
{ 385, 1551, -912 },
{ 455, 554, 15 },
{ 852, 478, -306 },
{ 177, 760, -87 },
{ -65, 1611, -522 },
{ 815, 894, -685 },
{ 846, 1010, -832 },
},
#endif // CONFIG_TX64X64
};
#else
static int filter_intra_taps_4[TX_SIZES][FILTER_INTRA_MODES][4] = {
#if CONFIG_CHROMA_2X2
{
{ 735, 881, -537, -54 },
{ 1005, 519, -488, -11 },
{ 383, 990, -343, -6 },
{ 442, 805, -542, 319 },
{ 658, 616, -133, -116 },
{ 875, 442, -141, -151 },
{ 386, 741, -23, -80 },
{ 390, 1027, -446, 51 },
{ 679, 606, -523, 262 },
{ 903, 922, -778, -23 },
},
#endif
{
{ 735, 881, -537, -54 },
{ 1005, 519, -488, -11 },
{ 383, 990, -343, -6 },
{ 442, 805, -542, 319 },
{ 658, 616, -133, -116 },
{ 875, 442, -141, -151 },
{ 386, 741, -23, -80 },
{ 390, 1027, -446, 51 },
{ 679, 606, -523, 262 },
{ 903, 922, -778, -23 },
},
{
{ 648, 803, -444, 16 },
{ 972, 620, -576, 7 },
{ 561, 967, -499, -5 },
{ 585, 762, -468, 144 },
{ 596, 619, -182, -9 },
{ 895, 459, -176, -153 },
{ 557, 722, -126, -129 },
{ 601, 839, -523, 105 },
{ 562, 709, -499, 251 },
{ 803, 872, -695, 43 },
},
{
{ 423, 728, -347, 111 },
{ 963, 685, -665, 23 },
{ 281, 1024, -480, 216 },
{ 640, 596, -437, 78 },
{ 429, 669, -259, 99 },
{ 740, 646, -415, 23 },
{ 568, 771, -346, 40 },
{ 404, 833, -486, 209 },
{ 398, 712, -423, 307 },
{ 939, 935, -887, 17 },
},
{
{ 477, 737, -393, 150 },
{ 881, 630, -546, 67 },
{ 506, 984, -443, -20 },
{ 114, 459, -270, 528 },
{ 433, 528, 14, 3 },
{ 837, 470, -301, -30 },
{ 181, 777, 89, -107 },
{ -29, 716, -232, 259 },
{ 589, 646, -495, 255 },
{ 740, 884, -728, 77 },
},
#if CONFIG_TX64X64
{
{ 477, 737, -393, 150 },
{ 881, 630, -546, 67 },
{ 506, 984, -443, -20 },
{ 114, 459, -270, 528 },
{ 433, 528, 14, 3 },
{ 837, 470, -301, -30 },
{ 181, 777, 89, -107 },
{ -29, 716, -232, 259 },
{ 589, 646, -495, 255 },
{ 740, 884, -728, 77 },
},
#endif // CONFIG_TX64X64
};
#endif
static INLINE TX_SIZE get_txsize_from_blocklen(int bs) {
switch (bs) {
case 4: return TX_4X4;
case 8: return TX_8X8;
case 16: return TX_16X16;
case 32: return TX_32X32;
#if CONFIG_TX64X64
case 64: return TX_64X64;
#endif // CONFIG_TX64X64
default: assert(0); return TX_INVALID;
}
}
#if USE_3TAP_INTRA_FILTER
static void filter_intra_predictors_3tap(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above,
const uint8_t *left, int mode) {
int k, r, c;
int mean, ipred;
#if CONFIG_TX64X64
int buffer[65][65];
#else
int buffer[33][33];
#endif // CONFIG_TX64X64
const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
const int c0 = filter_intra_taps_3[tx_size][mode][0];
const int c1 = filter_intra_taps_3[tx_size][mode][1];
const int c2 = filter_intra_taps_3[tx_size][mode][2];
k = 0;
mean = 0;
while (k < bs) {
mean = mean + (int)left[k];
mean = mean + (int)above[k];
k++;
}
mean = (mean + bs) / (2 * bs);
for (r = 0; r < bs; ++r) buffer[r + 1][0] = (int)left[r] - mean;
for (c = 0; c < bs + 1; ++c) buffer[0][c] = (int)above[c - 1] - mean;
for (r = 1; r < bs + 1; ++r)
for (c = 1; c < bs + 1; ++c) {
ipred = c0 * buffer[r - 1][c] + c1 * buffer[r][c - 1] +
c2 * buffer[r - 1][c - 1];
buffer[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
buffer[r][c] = clip_pixel(buffer[r][c] + mean) - mean;
}
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c) dst[c] = clip_pixel(buffer[r + 1][c + 1] + mean);
dst += stride;
}
}
#else
static void filter_intra_predictors_4tap(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above,
const uint8_t *left, int mode) {
int k, r, c;
int mean, ipred;
#if CONFIG_TX64X64
int buffer[65][129];
#else
int buffer[33][65];
#endif // CONFIG_TX64X64
const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
const int c0 = filter_intra_taps_4[tx_size][mode][0];
const int c1 = filter_intra_taps_4[tx_size][mode][1];
const int c2 = filter_intra_taps_4[tx_size][mode][2];
const int c3 = filter_intra_taps_4[tx_size][mode][3];
k = 0;
mean = 0;
while (k < bs) {
mean = mean + (int)left[k];
mean = mean + (int)above[k];
k++;
}
mean = (mean + bs) / (2 * bs);
for (r = 0; r < bs; ++r) buffer[r + 1][0] = (int)left[r] - mean;
for (c = 0; c < 2 * bs + 1; ++c) buffer[0][c] = (int)above[c - 1] - mean;
for (r = 1; r < bs + 1; ++r)
for (c = 1; c < 2 * bs + 1 - r; ++c) {
ipred = c0 * buffer[r - 1][c] + c1 * buffer[r][c - 1] +
c2 * buffer[r - 1][c - 1] + c3 * buffer[r - 1][c + 1];
buffer[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
buffer[r][c] = clip_pixel(buffer[r][c] + mean) - mean;
}
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c) dst[c] = clip_pixel(buffer[r + 1][c + 1] + mean);
dst += stride;
}
}
#endif
void av1_dc_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_DC_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_DC_PRED);
#endif
}
void av1_v_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_V_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_V_PRED);
#endif
}
void av1_h_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_H_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_H_PRED);
#endif
}
void av1_d45_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D45_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D45_PRED);
#endif
}
void av1_d135_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D135_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D135_PRED);
#endif
}
void av1_d117_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D117_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D117_PRED);
#endif
}
void av1_d153_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D153_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D153_PRED);
#endif
}
void av1_d207_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D207_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D207_PRED);
#endif
}
void av1_d63_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D63_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D63_PRED);
#endif
}
void av1_tm_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
#if USE_3TAP_INTRA_FILTER
filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_TM_PRED);
#else
filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_TM_PRED);
#endif
}
static void filter_intra_predictors(FILTER_INTRA_MODE mode, uint8_t *dst,
ptrdiff_t stride, int bs,
const uint8_t *above, const uint8_t *left) {
switch (mode) {
case FILTER_DC_PRED:
av1_dc_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_V_PRED:
av1_v_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_H_PRED:
av1_h_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_D45_PRED:
av1_d45_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_D135_PRED:
av1_d135_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_D117_PRED:
av1_d117_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_D153_PRED:
av1_d153_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_D207_PRED:
av1_d207_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_D63_PRED:
av1_d63_filter_predictor(dst, stride, bs, above, left);
break;
case FILTER_TM_PRED:
av1_tm_filter_predictor(dst, stride, bs, above, left);
break;
default: assert(0);
}
}
#if CONFIG_HIGHBITDEPTH
#if USE_3TAP_INTRA_FILTER
static void highbd_filter_intra_predictors_3tap(uint16_t *dst, ptrdiff_t stride,
int bs, const uint16_t *above,
const uint16_t *left, int mode,
int bd) {
int k, r, c;
int mean, ipred;
#if CONFIG_TX64X64
int preds[65][65];
#else
int preds[33][33];
#endif // CONFIG_TX64X64
const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
const int c0 = filter_intra_taps_3[tx_size][mode][0];
const int c1 = filter_intra_taps_3[tx_size][mode][1];
const int c2 = filter_intra_taps_3[tx_size][mode][2];
k = 0;
mean = 0;
while (k < bs) {
mean = mean + (int)left[k];
mean = mean + (int)above[k];
k++;
}
mean = (mean + bs) / (2 * bs);
for (r = 0; r < bs; ++r) preds[r + 1][0] = (int)left[r] - mean;
for (c = 0; c < bs + 1; ++c) preds[0][c] = (int)above[c - 1] - mean;
for (r = 1; r < bs + 1; ++r)
for (c = 1; c < bs + 1; ++c) {
ipred = c0 * preds[r - 1][c] + c1 * preds[r][c - 1] +
c2 * preds[r - 1][c - 1];
preds[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
preds[r][c] = clip_pixel_highbd(preds[r][c] + mean, bd) - mean;
}
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c)
dst[c] = clip_pixel_highbd(preds[r + 1][c + 1] + mean, bd);
dst += stride;
}
}
#else
static void highbd_filter_intra_predictors_4tap(uint16_t *dst, ptrdiff_t stride,
int bs, const uint16_t *above,
const uint16_t *left, int mode,
int bd) {
int k, r, c;
int mean, ipred;
#if CONFIG_TX64X64
int preds[65][129];
#else
int preds[33][65];
#endif // CONFIG_TX64X64
const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
const int c0 = filter_intra_taps_4[tx_size][mode][0];
const int c1 = filter_intra_taps_4[tx_size][mode][1];
const int c2 = filter_intra_taps_4[tx_size][mode][2];
const int c3 = filter_intra_taps_4[tx_size][mode][3];
k = 0;
mean = 0;
while (k < bs) {
mean = mean + (int)left[k];
mean = mean + (int)above[k];
k++;
}
mean = (mean + bs) / (2 * bs);
for (r = 0; r < bs; ++r) preds[r + 1][0] = (int)left[r] - mean;
for (c = 0; c < 2 * bs + 1; ++c) preds[0][c] = (int)above[c - 1] - mean;
for (r = 1; r < bs + 1; ++r)
for (c = 1; c < 2 * bs + 1 - r; ++c) {
ipred = c0 * preds[r - 1][c] + c1 * preds[r][c - 1] +
c2 * preds[r - 1][c - 1] + c3 * preds[r - 1][c + 1];
preds[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
preds[r][c] = clip_pixel_highbd(preds[r][c] + mean, bd) - mean;
}
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c)
dst[c] = clip_pixel_highbd(preds[r + 1][c + 1] + mean, bd);
dst += stride;
}
}
#endif
void av1_highbd_dc_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_DC_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_DC_PRED, bd);
#endif
}
void av1_highbd_v_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_V_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_V_PRED, bd);
#endif
}
void av1_highbd_h_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_H_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_H_PRED, bd);
#endif
}
void av1_highbd_d45_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_D45_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_D45_PRED, bd);
#endif
}
void av1_highbd_d135_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_D135_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_D135_PRED, bd);
#endif
}
void av1_highbd_d117_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_D117_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_D117_PRED, bd);
#endif
}
void av1_highbd_d153_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_D153_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_D153_PRED, bd);
#endif
}
void av1_highbd_d207_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
#if USE_3TAP_INTRA_FILTER
highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
FILTER_D207_PRED, bd);
#else
highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
FILTER_D207_PRED, bd);
#endif
}
void av1_highbd_d63_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {