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-rw-r--r--third_party/aom/av1/common/reconintra.c2467
1 files changed, 2467 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/reconintra.c b/third_party/aom/av1/common/reconintra.c
new file mode 100644
index 0000000000..6e0ff52ce6
--- /dev/null
+++ b/third_party/aom/av1/common/reconintra.c
@@ -0,0 +1,2467 @@
+/*
+ * 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,
+};
+
+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
+#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
+ // 2X2, 2X4, 4X2
+ orders_4x4, orders_4x4, orders_4x4,
+ // 4X4
+ orders_4x4,
+ // 4X8, 8X4, 8X8
+ orders_4x8, orders_8x4, orders_8x8,
+#else
+ // 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
+ // 2X2, 2X4, 4X2
+ orders_8x8, orders_8x8, orders_8x8,
+ // 4X4
+ orders_8x8,
+ // 4X8, 8X4, 8X8
+ orders_8x16, orders_16x8, orders_16x16,
+#else
+ // 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_CB4X4
+ // 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
+ // 2X2, 2X4, 4X2
+ orders_verta_8x8, orders_verta_8x8, orders_verta_8x8,
+ // 4X4
+ orders_verta_8x8,
+ // 4X8, 8X4, 8X8
+ orders_verta_8x8, orders_verta_8x8, orders_verta_16x16,
+#else
+ // 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];
+
+ // Special handling for block sizes 4x8 and 4x4.
+ if (ss_x == 0 && bw_unit < 2 && col_off == 0) return 1;
+
+ 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 + !ss_y);
+ const int row_off_in_sb = blk_start_row_off + row_off;
+ const int sb_height_unit = MAX_MIB_SIZE << !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];
+static intra_pred_fn dc_pred[2][2][TX_SIZES];
+
+#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];
+static intra_high_pred_fn dc_pred_high[2][2][TX_SIZES];
+#endif // CONFIG_HIGHBITDEPTH
+
+static void av1_init_intra_predictors_internal(void) {
+#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
+#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
+#endif // CONFIG_TX64X64
+
+#if CONFIG_CB4X4
+#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);
+#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);
+#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 bs,
+ const uint8_t *above, const uint8_t *left,
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter_type,
+#endif // CONFIG_INTRA_INTERP
+ 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, 2 * bs * sizeof(above[0]));
+ memset(src + pad_size + 2 * bs, above[2 * bs - 1],
+ pad_size * sizeof(above[0]));
+ flags[0] = 1;
+ x = dx;
+ for (r = 0; r < bs; ++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(bs, 2 * bs - 1 - base);
+ if (len <= 0) {
+ int i;
+ for (i = r; i < bs; ++i) {
+ memset(dst, above[2 * bs - 1], bs * sizeof(dst[0]));
+ dst += stride;
+ }
+ return;
+ }
+
+ if (len <= (bs >> 1) && !flags[shift]) {
+ base = x >> 8;
+ shift = x & 0xFF;
+ for (c = 0; c < len; ++c) {
+ val = intra_subpel_interp(base, shift, above, 0, 2 * bs - 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, 2 * bs, buf[shift], 2 * bs,
+ filter, 16, NULL, 16, 2 * bs,
+ 2 * bs < 16 ? 2 : 1);
+ flags[shift] = 1;
+ }
+ memcpy(dst, shift == 0 ? src + pad_size + base : &buf[shift][base],
+ len * sizeof(dst[0]));
+ }
+
+ if (len < bs)
+ memset(dst + len, above[2 * bs - 1], (bs - len) * sizeof(dst[0]));
+ }
+ return;
+ }
+#endif // CONFIG_INTRA_INTERP
+
+ x = dx;
+ for (r = 0; r < bs; ++r, dst += stride, x += dx) {
+ base = x >> 8;
+ shift = x & 0xFF;
+
+ if (base >= 2 * bs - 1) {
+ int i;
+ for (i = r; i < bs; ++i) {
+ memset(dst, above[2 * bs - 1], bs * sizeof(dst[0]));
+ dst += stride;
+ }
+ return;
+ }
+
+ for (c = 0; c < bs; ++c, ++base) {
+ if (base < 2 * bs - 1) {
+ 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[2 * bs - 1];
+ }
+ }
+ }
+}
+
+// Directional prediction, zone 2: 90 < angle < 180
+static void dr_prediction_z2(uint8_t *dst, ptrdiff_t stride, int bs,
+ const uint8_t *above, const uint8_t *left,
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter_type,
+#endif // CONFIG_INTRA_INTERP
+ int dx, int dy) {
+ int r, c, x, y, shift1, shift2, val, base1, base2;
+
+ assert(dx > 0);
+ assert(dy > 0);
+
+ x = -dx;
+ for (r = 0; r < bs; ++r, x -= dx, dst += stride) {
+ base1 = x >> 8;
+ y = (r << 8) - dy;
+ for (c = 0; c < bs; ++c, ++base1, y -= dy) {
+ if (base1 >= -1) {
+ shift1 = x & 0xFF;
+#if CONFIG_INTRA_INTERP
+ val =
+ intra_subpel_interp(base1, shift1, above, -1, bs - 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 >> 8;
+ shift2 = y & 0xFF;
+#if CONFIG_INTRA_INTERP
+ val = intra_subpel_interp(base2, shift2, left, -1, bs - 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 bs,
+ const uint8_t *above, const uint8_t *left,
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter_type,
+#endif // CONFIG_INTRA_INTERP
+ 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 < 2 * bs; ++i) src[4 * (i + pad_size)] = left[i];
+ for (i = 0; i < pad_size; ++i)
+ src[4 * (i + 2 * bs + pad_size)] = left[2 * bs - 1];
+ flags[0] = 1;
+ y = dy;
+ for (c = 0; c < bs; ++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(bs, 2 * bs - 1 - base);
+
+ if (len <= 0) {
+ for (r = 0; r < bs; ++r) {
+ dst[r * stride + c] = left[2 * bs - 1];
+ }
+ continue;
+ }
+
+ if (len <= (bs >> 1) && !flags[shift]) {
+ base = y >> 8;
+ shift = y & 0xFF;
+ for (r = 0; r < len; ++r) {
+ val = intra_subpel_interp(base, shift, left, 0, 2 * bs - 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,
+ 2 * bs < 16 ? 4 : 4, 2 * bs);
+ 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 < bs) {
+ for (r = len; r < bs; ++r) {
+ dst[r * stride + c] = left[2 * bs - 1];
+ }
+ }
+ }
+ return;
+ }
+#endif // CONFIG_INTRA_INTERP
+
+ y = dy;
+ for (c = 0; c < bs; ++c, y += dy) {
+ base = y >> 8;
+ shift = y & 0xFF;
+
+ for (r = 0; r < bs; ++r, ++base) {
+ if (base < 2 * bs - 1) {
+ 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 < bs; ++r) dst[r * stride + c] = left[2 * bs - 1];
+ 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
+ int angle) {
+ const int dx = get_dx(angle);
+ const int dy = get_dy(angle);
+ const int bs = tx_size_wide[tx_size];
+ assert(angle > 0 && angle < 270);
+
+ if (angle > 0 && angle < 90) {
+ dr_prediction_z1(dst, stride, bs, above, left,
+#if CONFIG_INTRA_INTERP
+ filter_type,
+#endif // CONFIG_INTRA_INTERP
+ dx, dy);
+ } else if (angle > 90 && angle < 180) {
+ dr_prediction_z2(dst, stride, bs, above, left,
+#if CONFIG_INTRA_INTERP
+ filter_type,
+#endif // CONFIG_INTRA_INTERP
+ dx, dy);
+ } else if (angle > 180 && angle < 270) {
+ dr_prediction_z3(dst, stride, bs, above, left,
+#if CONFIG_INTRA_INTERP
+ filter_type,
+#endif // CONFIG_INTRA_INTERP
+ 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 bs,
+ const uint16_t *above, const uint16_t *left,
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter_type,
+#endif // CONFIG_INTRA_INTERP
+ int dx, int dy, int bd) {
+ int r, c, x, base, shift, val;
+
+ (void)left;
+ (void)dy;
+ assert(dy == 1);
+ assert(dx > 0);
+
+ x = dx;
+ for (r = 0; r < bs; ++r, dst += stride, x += dx) {
+ base = x >> 8;
+ shift = x & 0xFF;
+
+ if (base >= 2 * bs - 1) {
+ int i;
+ for (i = r; i < bs; ++i) {
+ aom_memset16(dst, above[2 * bs - 1], bs);
+ dst += stride;
+ }
+ return;
+ }
+
+ for (c = 0; c < bs; ++c, ++base) {
+ if (base < 2 * bs - 1) {
+#if CONFIG_INTRA_INTERP
+ val = highbd_intra_subpel_interp(base, shift, above, 0, 2 * bs - 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[2 * bs - 1];
+ }
+ }
+ }
+}
+
+// Directional prediction, zone 2: 90 < angle < 180
+static void highbd_dr_prediction_z2(uint16_t *dst, ptrdiff_t stride, int bs,
+ const uint16_t *above, const uint16_t *left,
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter_type,
+#endif // CONFIG_INTRA_INTERP
+ int dx, int dy, int bd) {
+ int r, c, x, y, shift, val, base;
+
+ assert(dx > 0);
+ assert(dy > 0);
+
+ for (r = 0; r < bs; ++r) {
+ for (c = 0; c < bs; ++c) {
+ y = r + 1;
+ x = (c << 8) - y * dx;
+ base = x >> 8;
+ if (base >= -1) {
+ shift = x & 0xFF;
+#if CONFIG_INTRA_INTERP
+ val = highbd_intra_subpel_interp(base, shift, above, -1, bs - 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 >> 8;
+ shift = y & 0xFF;
+#if CONFIG_INTRA_INTERP
+ val = highbd_intra_subpel_interp(base, shift, left, -1, bs - 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 bs,
+ const uint16_t *above, const uint16_t *left,
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter_type,
+#endif // CONFIG_INTRA_INTERP
+ int dx, int dy, int bd) {
+ int r, c, y, base, shift, val;
+
+ (void)above;
+ (void)dx;
+ assert(dx == 1);
+ assert(dy > 0);
+
+ y = dy;
+ for (c = 0; c < bs; ++c, y += dy) {
+ base = y >> 8;
+ shift = y & 0xFF;
+
+ for (r = 0; r < bs; ++r, ++base) {
+ if (base < 2 * bs - 1) {
+#if CONFIG_INTRA_INTERP
+ val = highbd_intra_subpel_interp(base, shift, left, 0, 2 * bs - 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 < bs; ++r) dst[r * stride + c] = left[2 * bs - 1];
+ break;
+ }
+ }
+ }
+}
+
+static INLINE void highbd_v_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ int r;
+ (void)left;
+ (void)bd;
+ for (r = 0; r < bs; r++) {
+ memcpy(dst, above, bs * sizeof(uint16_t));
+ dst += stride;
+ }
+}
+
+static INLINE void highbd_h_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ int r;
+ (void)above;
+ (void)bd;
+ for (r = 0; r < bs; r++) {
+ aom_memset16(dst, left[r], bs);
+ dst += stride;
+ }
+}
+
+static void highbd_dr_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
+ const uint16_t *above, const uint16_t *left,
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter,
+#endif // CONFIG_INTRA_INTERP
+ int angle, int bd) {
+ const int dx = get_dx(angle);
+ const int dy = get_dy(angle);
+ assert(angle > 0 && angle < 270);
+
+ if (angle > 0 && angle < 90) {
+ highbd_dr_prediction_z1(dst, stride, bs, above, left,
+#if CONFIG_INTRA_INTERP
+ filter,
+#endif // CONFIG_INTRA_INTERP
+ dx, dy, bd);
+ } else if (angle > 90 && angle < 180) {
+ highbd_dr_prediction_z2(dst, stride, bs, above, left,
+#if CONFIG_INTRA_INTERP
+ filter,
+#endif // CONFIG_INTRA_INTERP
+ dx, dy, bd);
+ } else if (angle > 180 && angle < 270) {
+ highbd_dr_prediction_z3(dst, stride, bs, above, left,
+#if CONFIG_INTRA_INTERP
+ filter,
+#endif // CONFIG_INTRA_INTERP
+ dx, dy, bd);
+ } else if (angle == 90) {
+ highbd_v_predictor(dst, stride, bs, above, left, bd);
+ } else if (angle == 180) {
+ highbd_h_predictor(dst, stride, bs, above, left, bd);
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH
+#endif // CONFIG_EXT_INTRA
+
+#if CONFIG_FILTER_INTRA
+#if USE_3TAP_INTRA_FILTER
+int av1_filter_intra_taps_3[TX_SIZES][INTRA_MODES][3] = {
+#if CONFIG_CB4X4
+ {
+ { 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
+int av1_filter_intra_taps_4[TX_SIZES][INTRA_MODES][4] = {
+#if CONFIG_CB4X4
+ {
+ { 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 = av1_filter_intra_taps_3[tx_size][mode][0];
+ const int c1 = av1_filter_intra_taps_3[tx_size][mode][1];
+ const int c2 = av1_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);
+ }
+
+ for (r = 0; r < bs; ++r) {
+ for (c = 0; c < bs; ++c) {
+ ipred = buffer[r + 1][c + 1] + mean;
+ dst[c] = clip_pixel(ipred);
+ }
+ 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 = av1_filter_intra_taps_4[tx_size][mode][0];
+ const int c1 = av1_filter_intra_taps_4[tx_size][mode][1];
+ const int c2 = av1_filter_intra_taps_4[tx_size][mode][2];
+ const int c3 = av1_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);
+ }
+
+ for (r = 0; r < bs; ++r) {
+ for (c = 0; c < bs; ++c) {
+ ipred = buffer[r + 1][c + 1] + mean;
+ dst[c] = clip_pixel(ipred);
+ }
+ 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, DC_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, V_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, H_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D45_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D135_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D117_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D153_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D207_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D63_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, TM_PRED);
+#else
+ filter_intra_predictors_4tap(dst, stride, bs, above, left, 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 = av1_filter_intra_taps_3[tx_size][mode][0];
+ const int c1 = av1_filter_intra_taps_3[tx_size][mode][1];
+ const int c2 = av1_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);
+ }
+
+ for (r = 0; r < bs; ++r) {
+ for (c = 0; c < bs; ++c) {
+ ipred = preds[r + 1][c + 1] + mean;
+ dst[c] = clip_pixel_highbd(ipred, 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 = av1_filter_intra_taps_4[tx_size][mode][0];
+ const int c1 = av1_filter_intra_taps_4[tx_size][mode][1];
+ const int c2 = av1_filter_intra_taps_4[tx_size][mode][2];
+ const int c3 = av1_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);
+ }
+
+ for (r = 0; r < bs; ++r) {
+ for (c = 0; c < bs; ++c) {
+ ipred = preds[r + 1][c + 1] + mean;
+ dst[c] = clip_pixel_highbd(ipred, 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, DC_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, V_PRED, bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, H_PRED, bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D45_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D135_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D117_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D153_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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, D207_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, 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) {
+#if USE_3TAP_INTRA_FILTER
+ highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left, D63_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, D63_PRED,
+ bd);
+#endif
+}
+
+void av1_highbd_tm_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, TM_PRED,
+ bd);
+#else
+ highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, TM_PRED,
+ bd);
+#endif
+}
+
+static void highbd_filter_intra_predictors(FILTER_INTRA_MODE mode,
+ uint16_t *dst, ptrdiff_t stride,
+ int bs, const uint16_t *above,
+ const uint16_t *left, int bd) {
+ switch (mode) {
+ case FILTER_DC_PRED:
+ av1_highbd_dc_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_V_PRED:
+ av1_highbd_v_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_H_PRED:
+ av1_highbd_h_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_D45_PRED:
+ av1_highbd_d45_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_D135_PRED:
+ av1_highbd_d135_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_D117_PRED:
+ av1_highbd_d117_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_D153_PRED:
+ av1_highbd_d153_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_D207_PRED:
+ av1_highbd_d207_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_D63_PRED:
+ av1_highbd_d63_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ case FILTER_TM_PRED:
+ av1_highbd_tm_filter_predictor(dst, stride, bs, above, left, bd);
+ break;
+ default: assert(0);
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH
+#endif // CONFIG_FILTER_INTRA
+
+#if CONFIG_HIGHBITDEPTH
+static void build_intra_predictors_high(
+ const MACROBLOCKD *xd, const uint8_t *ref8, int ref_stride, uint8_t *dst8,
+ int dst_stride, PREDICTION_MODE mode, TX_SIZE tx_size, int n_top_px,
+ int n_topright_px, int n_left_px, int n_bottomleft_px, int plane) {
+ int i;
+ uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+ DECLARE_ALIGNED(16, uint16_t, left_data[MAX_TX_SIZE * 2 + 16]);
+ DECLARE_ALIGNED(16, uint16_t, above_data[MAX_TX_SIZE * 2 + 16]);
+ uint16_t *above_row = above_data + 16;
+ uint16_t *left_col = left_data + 16;
+ const uint16_t *const_above_row = above_row;
+ const int bs = tx_size_wide[tx_size];
+ int need_left = extend_modes[mode] & NEED_LEFT;
+ int need_above = extend_modes[mode] & NEED_ABOVE;
+ int need_above_left = extend_modes[mode] & NEED_ABOVELEFT;
+ const uint16_t *above_ref = ref - ref_stride;
+#if CONFIG_EXT_INTRA
+ int p_angle = 0;
+ const int is_dr_mode = av1_is_directional_mode(mode, xd->mi[0]->mbmi.sb_type);
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_FILTER_INTRA
+ const FILTER_INTRA_MODE_INFO *filter_intra_mode_info =
+ &xd->mi[0]->mbmi.filter_intra_mode_info;
+ const FILTER_INTRA_MODE filter_intra_mode =
+ filter_intra_mode_info->filter_intra_mode[plane != 0];
+#endif // CONFIG_FILTER_INTRA
+ int base = 128 << (xd->bd - 8);
+ assert(tx_size_wide[tx_size] == tx_size_high[tx_size]);
+
+ // base-1 base-1 base-1 .. base-1 base-1 base-1 base-1 base-1 base-1
+ // base+1 A B .. Y Z
+ // base+1 C D .. W X
+ // base+1 E F .. U V
+ // base+1 G H .. S T T T T T
+ aom_memset16(left_data, base + 1, sizeof(left_data) / sizeof(*left_data));
+
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) {
+ p_angle = mode_to_angle_map[mode] +
+ xd->mi[0]->mbmi.angle_delta[plane != 0] * ANGLE_STEP;
+ if (p_angle <= 90)
+ need_above = 1, need_left = 0, need_above_left = 1;
+ else if (p_angle < 180)
+ need_above = 1, need_left = 1, need_above_left = 1;
+ else
+ need_above = 0, need_left = 1, need_above_left = 1;
+ }
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
+ need_left = need_above = need_above_left = 1;
+#endif // CONFIG_FILTER_INTRA
+
+ (void)plane;
+ assert(n_top_px >= 0);
+ assert(n_topright_px >= 0);
+ assert(n_left_px >= 0);
+ assert(n_bottomleft_px >= 0);
+
+ if ((!need_above && n_left_px == 0) || (!need_left && n_top_px == 0)) {
+ const int val = need_left ? base + 1 : base - 1;
+ for (i = 0; i < bs; ++i) {
+ aom_memset16(dst, val, bs);
+ dst += dst_stride;
+ }
+ return;
+ }
+
+ // NEED_LEFT
+ if (need_left) {
+#if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
+ int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
+ need_bottom = 0;
+#endif // CONFIG_FILTER_INTRA
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) need_bottom = p_angle > 180;
+#endif // CONFIG_EXT_INTRA
+#else
+ const int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
+#endif // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
+ i = 0;
+ if (n_left_px > 0) {
+ for (; i < n_left_px; i++) left_col[i] = ref[i * ref_stride - 1];
+ if (need_bottom && n_bottomleft_px > 0) {
+ assert(i == bs);
+ for (; i < bs + n_bottomleft_px; i++)
+ left_col[i] = ref[i * ref_stride - 1];
+ }
+ if (i < (bs << need_bottom))
+ aom_memset16(&left_col[i], left_col[i - 1], (bs << need_bottom) - i);
+ } else {
+ aom_memset16(left_col, base + 1, bs << need_bottom);
+ }
+ }
+
+ // NEED_ABOVE
+ if (need_above) {
+#if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
+ int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
+ need_right = 1;
+#endif // CONFIG_FILTER_INTRA
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) need_right = p_angle < 90;
+#endif // CONFIG_EXT_INTRA
+#else
+ const int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
+#endif // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
+ if (n_top_px > 0) {
+ memcpy(above_row, above_ref, n_top_px * sizeof(above_ref[0]));
+ i = n_top_px;
+ if (need_right && n_topright_px > 0) {
+ assert(n_top_px == bs);
+ memcpy(above_row + bs, above_ref + bs,
+ n_topright_px * sizeof(above_ref[0]));
+ i += n_topright_px;
+ }
+ if (i < (bs << need_right))
+ aom_memset16(&above_row[i], above_row[i - 1], (bs << need_right) - i);
+ } else {
+ aom_memset16(above_row, base - 1, bs << need_right);
+ }
+ }
+
+ if (need_above_left) {
+ above_row[-1] =
+ n_top_px > 0 ? (n_left_px > 0 ? above_ref[-1] : base + 1) : base - 1;
+ left_col[-1] = above_row[-1];
+ }
+
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0]) {
+ highbd_filter_intra_predictors(filter_intra_mode, dst, dst_stride, bs,
+ const_above_row, left_col, xd->bd);
+ return;
+ }
+#endif // CONFIG_FILTER_INTRA
+
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) {
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter = INTRA_FILTER_LINEAR;
+ if (plane == 0 && av1_is_intra_filter_switchable(p_angle))
+ filter = xd->mi[0]->mbmi.intra_filter;
+#endif // CONFIG_INTRA_INTERP
+ highbd_dr_predictor(dst, dst_stride, bs, const_above_row, left_col,
+#if CONFIG_INTRA_INTERP
+ filter,
+#endif // CONFIG_INTRA_INTERP
+ p_angle, xd->bd);
+ return;
+ }
+#endif // CONFIG_EXT_INTRA
+
+ // predict
+ if (mode == DC_PRED) {
+ dc_pred_high[n_left_px > 0][n_top_px > 0][tx_size](
+ dst, dst_stride, const_above_row, left_col, xd->bd);
+ } else {
+ pred_high[mode][tx_size](dst, dst_stride, const_above_row, left_col,
+ xd->bd);
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH
+
+static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref,
+ int ref_stride, uint8_t *dst, int dst_stride,
+ PREDICTION_MODE mode, TX_SIZE tx_size,
+ int n_top_px, int n_topright_px,
+ int n_left_px, int n_bottomleft_px,
+ int plane) {
+ int i;
+ const uint8_t *above_ref = ref - ref_stride;
+ DECLARE_ALIGNED(16, uint8_t, left_data[MAX_TX_SIZE * 2 + 16]);
+ DECLARE_ALIGNED(16, uint8_t, above_data[MAX_TX_SIZE * 2 + 16]);
+ uint8_t *above_row = above_data + 16;
+ uint8_t *left_col = left_data + 16;
+ const uint8_t *const_above_row = above_row;
+ const int bs = tx_size_wide[tx_size];
+ int need_left = extend_modes[mode] & NEED_LEFT;
+ int need_above = extend_modes[mode] & NEED_ABOVE;
+ int need_above_left = extend_modes[mode] & NEED_ABOVELEFT;
+#if CONFIG_EXT_INTRA
+ int p_angle = 0;
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ const int is_dr_mode = av1_is_directional_mode(mode, mbmi->sb_type);
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_FILTER_INTRA
+ const FILTER_INTRA_MODE_INFO *filter_intra_mode_info =
+ &xd->mi[0]->mbmi.filter_intra_mode_info;
+ const FILTER_INTRA_MODE filter_intra_mode =
+ filter_intra_mode_info->filter_intra_mode[plane != 0];
+#endif // CONFIG_FILTER_INTRA
+ assert(tx_size_wide[tx_size] == tx_size_high[tx_size]);
+
+ // 127 127 127 .. 127 127 127 127 127 127
+ // 129 A B .. Y Z
+ // 129 C D .. W X
+ // 129 E F .. U V
+ // 129 G H .. S T T T T T
+ // ..
+ memset(left_data, 129, sizeof(left_data));
+
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) {
+ p_angle = mode_to_angle_map[mode] +
+ xd->mi[0]->mbmi.angle_delta[plane != 0] * ANGLE_STEP;
+ if (p_angle <= 90)
+ need_above = 1, need_left = 0, need_above_left = 1;
+ else if (p_angle < 180)
+ need_above = 1, need_left = 1, need_above_left = 1;
+ else
+ need_above = 0, need_left = 1, need_above_left = 1;
+ }
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
+ need_left = need_above = need_above_left = 1;
+#endif // CONFIG_FILTER_INTRA
+
+ (void)xd;
+ (void)plane;
+ assert(n_top_px >= 0);
+ assert(n_topright_px >= 0);
+ assert(n_left_px >= 0);
+ assert(n_bottomleft_px >= 0);
+
+ if ((!need_above && n_left_px == 0) || (!need_left && n_top_px == 0)) {
+ const int val = need_left ? 129 : 127;
+ for (i = 0; i < bs; ++i) {
+ memset(dst, val, bs);
+ dst += dst_stride;
+ }
+ return;
+ }
+
+ // NEED_LEFT
+ if (need_left) {
+#if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
+ int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
+ need_bottom = 0;
+#endif // CONFIG_FILTER_INTRA
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) need_bottom = p_angle > 180;
+#endif // CONFIG_EXT_INTRA
+#else
+ const int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
+#endif // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
+ i = 0;
+ if (n_left_px > 0) {
+ for (; i < n_left_px; i++) left_col[i] = ref[i * ref_stride - 1];
+ if (need_bottom && n_bottomleft_px > 0) {
+ assert(i == bs);
+ for (; i < bs + n_bottomleft_px; i++)
+ left_col[i] = ref[i * ref_stride - 1];
+ }
+ if (i < (bs << need_bottom))
+ memset(&left_col[i], left_col[i - 1], (bs << need_bottom) - i);
+ } else {
+ memset(left_col, 129, bs << need_bottom);
+ }
+ }
+
+ // NEED_ABOVE
+ if (need_above) {
+#if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
+ int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
+ need_right = 1;
+#endif // CONFIG_FILTER_INTRA
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) need_right = p_angle < 90;
+#endif // CONFIG_EXT_INTRA
+#else
+ const int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
+#endif // CONFIG_EXT_INTRA || CONFIG_FITLER_INTRA
+ if (n_top_px > 0) {
+ memcpy(above_row, above_ref, n_top_px);
+ i = n_top_px;
+ if (need_right && n_topright_px > 0) {
+ assert(n_top_px == bs);
+ memcpy(above_row + bs, above_ref + bs, n_topright_px);
+ i += n_topright_px;
+ }
+ if (i < (bs << need_right))
+ memset(&above_row[i], above_row[i - 1], (bs << need_right) - i);
+ } else {
+ memset(above_row, 127, bs << need_right);
+ }
+ }
+
+ if (need_above_left) {
+ above_row[-1] = n_top_px > 0 ? (n_left_px > 0 ? above_ref[-1] : 129) : 127;
+ left_col[-1] = above_row[-1];
+ }
+
+#if CONFIG_FILTER_INTRA
+ if (filter_intra_mode_info->use_filter_intra_mode[plane != 0]) {
+ filter_intra_predictors(filter_intra_mode, dst, dst_stride, bs,
+ const_above_row, left_col);
+ return;
+ }
+#endif // CONFIG_FILTER_INTRA
+#if CONFIG_EXT_INTRA
+ if (is_dr_mode) {
+#if CONFIG_INTRA_INTERP
+ INTRA_FILTER filter = INTRA_FILTER_LINEAR;
+ if (plane == 0 && av1_is_intra_filter_switchable(p_angle))
+ filter = xd->mi[0]->mbmi.intra_filter;
+#endif // CONFIG_INTRA_INTERP
+ dr_predictor(dst, dst_stride, tx_size, const_above_row, left_col,
+#if CONFIG_INTRA_INTERP
+ filter,
+#endif // CONFIG_INTRA_INTERP
+ p_angle);
+ return;
+ }
+#endif // CONFIG_EXT_INTRA
+
+ // predict
+ if (mode == DC_PRED) {
+#if CONFIG_CFL
+ // CFL predict its own DC_PRED for Chromatic planes
+ if (plane == AOM_PLANE_Y) {
+#endif
+ dc_pred[n_left_px > 0][n_top_px > 0][tx_size](dst, dst_stride,
+ const_above_row, left_col);
+#if CONFIG_CFL
+ }
+#endif
+
+ } else {
+ pred[mode][tx_size](dst, dst_stride, const_above_row, left_col);
+ }
+}
+
+static void predict_square_intra_block(const MACROBLOCKD *xd, int wpx, int hpx,
+ TX_SIZE tx_size, PREDICTION_MODE mode,
+ const uint8_t *ref, int ref_stride,
+ uint8_t *dst, int dst_stride,
+ int col_off, int row_off, int plane) {
+ BLOCK_SIZE bsize = xd->mi[0]->mbmi.sb_type;
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int txw = tx_size_wide_unit[tx_size];
+#if CONFIG_CB4X4 && CONFIG_CHROMA_SUB8X8
+ const int have_top = row_off || (pd->subsampling_y ? xd->chroma_up_available
+ : xd->up_available);
+ const int have_left =
+ col_off ||
+ (pd->subsampling_x ? xd->chroma_left_available : xd->left_available);
+#else
+ const int have_top = row_off || xd->up_available;
+ const int have_left = col_off || xd->left_available;
+#endif
+ const int x = col_off << tx_size_wide_log2[0];
+ const int y = row_off << tx_size_high_log2[0];
+ const int mi_row = -xd->mb_to_top_edge >> (3 + MI_SIZE_LOG2);
+ const int mi_col = -xd->mb_to_left_edge >> (3 + MI_SIZE_LOG2);
+ const int txwpx = tx_size_wide[tx_size];
+ const int txhpx = tx_size_high[tx_size];
+#if CONFIG_CB4X4 && !CONFIG_CHROMA_2X2
+ const int xr_chr_offset = (pd->subsampling_x && bsize < BLOCK_8X8) ? 2 : 0;
+ const int yd_chr_offset = (pd->subsampling_y && bsize < BLOCK_8X8) ? 2 : 0;
+#else
+ const int xr_chr_offset = 0;
+ const int yd_chr_offset = 0;
+#endif
+
+ // Distance between the right edge of this prediction block to
+ // the frame right edge
+ const int xr = (xd->mb_to_right_edge >> (3 + pd->subsampling_x)) +
+ (wpx - x - txwpx) - xr_chr_offset;
+ // Distance between the bottom edge of this prediction block to
+ // the frame bottom edge
+ const int yd = (xd->mb_to_bottom_edge >> (3 + pd->subsampling_y)) +
+ (hpx - y - txhpx) - yd_chr_offset;
+ const int right_available =
+ (mi_col + ((col_off + txw) >> (1 - pd->subsampling_x))) <
+ xd->tile.mi_col_end;
+ const int bottom_available = (yd > 0);
+#if CONFIG_EXT_PARTITION_TYPES
+ const PARTITION_TYPE partition = xd->mi[0]->mbmi.partition;
+#endif
+
+#if CONFIG_CB4X4 && !CONFIG_CHROMA_2X2
+ // force 4x4 chroma component block size.
+ bsize = scale_chroma_bsize(bsize, pd->subsampling_x, pd->subsampling_y);
+#endif
+
+ const int have_top_right =
+ has_top_right(bsize, mi_row, mi_col, have_top, right_available,
+#if CONFIG_EXT_PARTITION_TYPES
+ partition,
+#endif
+ tx_size, row_off, col_off, pd->subsampling_x);
+ const int have_bottom_left =
+ has_bottom_left(bsize, mi_row, mi_col, bottom_available, have_left,
+ tx_size, row_off, col_off, pd->subsampling_y);
+ assert(txwpx == txhpx);
+
+#if CONFIG_PALETTE
+ if (xd->mi[0]->mbmi.palette_mode_info.palette_size[plane != 0] > 0) {
+ const int bs = tx_size_wide[tx_size];
+ const int stride = wpx;
+ int r, c;
+ const uint8_t *const map = xd->plane[plane != 0].color_index_map;
+#if CONFIG_HIGHBITDEPTH
+ uint16_t *palette = xd->mi[0]->mbmi.palette_mode_info.palette_colors +
+ plane * PALETTE_MAX_SIZE;
+#else
+ uint8_t *palette = xd->mi[0]->mbmi.palette_mode_info.palette_colors +
+ plane * PALETTE_MAX_SIZE;
+#endif // CONFIG_HIGHBITDEPTH
+
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (r = 0; r < bs; ++r)
+ for (c = 0; c < bs; ++c)
+ dst16[r * dst_stride + c] = palette[map[(r + y) * stride + c + x]];
+ } else {
+ for (r = 0; r < bs; ++r)
+ for (c = 0; c < bs; ++c)
+ dst[r * dst_stride + c] =
+ (uint8_t)(palette[map[(r + y) * stride + c + x]]);
+ }
+#else
+ for (r = 0; r < bs; ++r)
+ for (c = 0; c < bs; ++c)
+ dst[r * dst_stride + c] = palette[map[(r + y) * stride + c + x]];
+#endif // CONFIG_HIGHBITDEPTH
+ return;
+ }
+#endif // CONFIG_PALETTE
+
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ build_intra_predictors_high(
+ xd, ref, ref_stride, dst, dst_stride, mode, tx_size,
+ have_top ? AOMMIN(txwpx, xr + txwpx) : 0,
+ have_top_right ? AOMMIN(txwpx, xr) : 0,
+ have_left ? AOMMIN(txhpx, yd + txhpx) : 0,
+ have_bottom_left ? AOMMIN(txhpx, yd) : 0, plane);
+ return;
+ }
+#endif
+ build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode, tx_size,
+ have_top ? AOMMIN(txwpx, xr + txwpx) : 0,
+ have_top_right ? AOMMIN(txwpx, xr) : 0,
+ have_left ? AOMMIN(txhpx, yd + txhpx) : 0,
+ have_bottom_left ? AOMMIN(txhpx, yd) : 0, plane);
+}
+
+void av1_predict_intra_block_facade(MACROBLOCKD *xd, int plane, int block_idx,
+ int blk_col, int blk_row, TX_SIZE tx_size) {
+ struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int dst_stride = pd->dst.stride;
+ uint8_t *dst =
+ &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]];
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ const int block_raster_idx =
+ av1_block_index_to_raster_order(tx_size, block_idx);
+ const PREDICTION_MODE mode =
+ (plane == 0) ? get_y_mode(xd->mi[0], block_raster_idx) : mbmi->uv_mode;
+ av1_predict_intra_block(xd, pd->width, pd->height, txsize_to_bsize[tx_size],
+ mode, dst, dst_stride, dst, dst_stride, blk_col,
+ blk_row, plane);
+#if CONFIG_CFL
+ if (plane != AOM_PLANE_Y && mbmi->uv_mode == DC_PRED) {
+ if (plane == AOM_PLANE_U && blk_col == 0 && blk_row == 0) {
+ // Compute the block-level DC_PRED for both chromatic planes prior to
+ // processing the first chromatic plane in order to compute alpha_cb and
+ // alpha_cr. Note: This is not required on the decoder side because alpha
+ // is signaled.
+ cfl_dc_pred(xd, get_plane_block_size(block_idx, pd), tx_size);
+ }
+ cfl_predict_block(xd->cfl, dst, pd->dst.stride, blk_row, blk_col, tx_size,
+ xd->cfl->dc_pred[plane - 1]);
+ }
+#endif
+}
+
+void av1_predict_intra_block(const MACROBLOCKD *xd, int wpx, int hpx,
+ BLOCK_SIZE bsize, PREDICTION_MODE mode,
+ const uint8_t *ref, int ref_stride, uint8_t *dst,
+ int dst_stride, int col_off, int row_off,
+ int plane) {
+ const int block_width = block_size_wide[bsize];
+ const int block_height = block_size_high[bsize];
+ TX_SIZE tx_size = max_txsize_lookup[bsize];
+ assert(tx_size < TX_SIZES);
+ if (block_width == block_height) {
+ predict_square_intra_block(xd, wpx, hpx, tx_size, mode, ref, ref_stride,
+ dst, dst_stride, col_off, row_off, plane);
+ } else {
+#if (CONFIG_RECT_TX && (CONFIG_VAR_TX || CONFIG_EXT_TX)) || (CONFIG_EXT_INTER)
+#if CONFIG_HIGHBITDEPTH
+ uint16_t tmp16[MAX_SB_SIZE];
+#endif
+ uint8_t tmp[MAX_SB_SIZE];
+ assert((block_width == wpx && block_height == hpx) ||
+ (block_width == (wpx >> 1) && block_height == hpx) ||
+ (block_width == wpx && block_height == (hpx >> 1)));
+
+ if (block_width < block_height) {
+ assert(block_height == (block_width << 1));
+ // Predict the top square sub-block.
+ predict_square_intra_block(xd, wpx, hpx, tx_size, mode, ref, ref_stride,
+ dst, dst_stride, col_off, row_off, plane);
+ {
+ const int half_block_height = block_height >> 1;
+ const int half_block_height_unit =
+ half_block_height >> tx_size_wide_log2[0];
+ // Cast away const to modify 'ref' temporarily; will be restored later.
+ uint8_t *src_2 = (uint8_t *)ref + half_block_height * ref_stride;
+ uint8_t *dst_2 = dst + half_block_height * dst_stride;
+ const int row_off_2 = row_off + half_block_height_unit;
+ // Save the last row of top square sub-block as 'above' row for bottom
+ // square sub-block.
+ if (src_2 != dst_2 || ref_stride != dst_stride) {
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
+ uint16_t *dst_2_16 = CONVERT_TO_SHORTPTR(dst_2);
+ memcpy(tmp16, src_2_16 - ref_stride,
+ block_width * sizeof(*src_2_16));
+ memcpy(src_2_16 - ref_stride, dst_2_16 - dst_stride,
+ block_width * sizeof(*src_2_16));
+ } else {
+#endif // CONFIG_HIGHBITDEPTH
+ memcpy(tmp, src_2 - ref_stride, block_width * sizeof(*src_2));
+ memcpy(src_2 - ref_stride, dst_2 - dst_stride,
+ block_width * sizeof(*src_2));
+#if CONFIG_HIGHBITDEPTH
+ }
+#endif // CONFIG_HIGHBITDEPTH
+ }
+ // Predict the bottom square sub-block.
+ predict_square_intra_block(xd, wpx, hpx, tx_size, mode, src_2,
+ ref_stride, dst_2, dst_stride, col_off,
+ row_off_2, plane);
+ // Restore the last row of top square sub-block.
+ if (src_2 != dst_2 || ref_stride != dst_stride) {
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
+ memcpy(src_2_16 - ref_stride, tmp16,
+ block_width * sizeof(*src_2_16));
+ } else {
+#endif // CONFIG_HIGHBITDEPTH
+ memcpy(src_2 - ref_stride, tmp, block_width * sizeof(*src_2));
+#if CONFIG_HIGHBITDEPTH
+ }
+#endif // CONFIG_HIGHBITDEPTH
+ }
+ }
+ } else { // block_width > block_height
+ assert(block_width == (block_height << 1));
+ // Predict the left square sub-block
+ predict_square_intra_block(xd, wpx, hpx, tx_size, mode, ref, ref_stride,
+ dst, dst_stride, col_off, row_off, plane);
+ {
+ int i;
+ const int half_block_width = block_width >> 1;
+ const int half_block_width_unit =
+ half_block_width >> tx_size_wide_log2[0];
+ // Cast away const to modify 'ref' temporarily; will be restored later.
+ uint8_t *src_2 = (uint8_t *)ref + half_block_width;
+ uint8_t *dst_2 = dst + half_block_width;
+ const int col_off_2 = col_off + half_block_width_unit;
+ // Save the last column of left square sub-block as 'left' column for
+ // right square sub-block.
+ const int save_src = src_2 != dst_2 || ref_stride != dst_stride;
+ if (save_src) {
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
+ uint16_t *dst_2_16 = CONVERT_TO_SHORTPTR(dst_2);
+ for (i = 0; i < block_height; ++i) {
+ tmp16[i] = src_2_16[i * ref_stride - 1];
+ src_2_16[i * ref_stride - 1] = dst_2_16[i * dst_stride - 1];
+ }
+ } else {
+#endif // CONFIG_HIGHBITDEPTH
+ for (i = 0; i < block_height; ++i) {
+ tmp[i] = src_2[i * ref_stride - 1];
+ src_2[i * ref_stride - 1] = dst_2[i * dst_stride - 1];
+ }
+#if CONFIG_HIGHBITDEPTH
+ }
+#endif // CONFIG_HIGHBITDEPTH
+ }
+ // Predict the right square sub-block.
+ predict_square_intra_block(xd, wpx, hpx, tx_size, mode, src_2,
+ ref_stride, dst_2, dst_stride, col_off_2,
+ row_off, plane);
+ // Restore the last column of left square sub-block.
+ if (save_src) {
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
+ for (i = 0; i < block_height; ++i) {
+ src_2_16[i * ref_stride - 1] = tmp16[i];
+ }
+ } else {
+#endif // CONFIG_HIGHBITDEPTH
+ for (i = 0; i < block_height; ++i) {
+ src_2[i * ref_stride - 1] = tmp[i];
+ }
+#if CONFIG_HIGHBITDEPTH
+ }
+#endif // CONFIG_HIGHBITDEPTH
+ }
+ }
+ }
+#else
+ assert(0);
+#endif // (CONFIG_RECT_TX && (CONFIG_VAR_TX || CONFIG_EXT_TX)) ||
+ // (CONFIG_EXT_INTER)
+ }
+}
+
+void av1_init_intra_predictors(void) {
+ once(av1_init_intra_predictors_internal);
+}