1 /*
2 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /**
23 * @file
24 * H.264 / AVC / MPEG-4 part10 prediction functions.
25 * @author Michael Niedermayer <michaelni@gmx.at>
26 */
27
33
34 #define BIT_DEPTH 8
36 #undef BIT_DEPTH
37
38 #define BIT_DEPTH 9
40 #undef BIT_DEPTH
41
42 #define BIT_DEPTH 10
44 #undef BIT_DEPTH
45
46 #define BIT_DEPTH 12
48 #undef BIT_DEPTH
49
52 #undef BIT_DEPTH
53
56 {
57 const unsigned lt = src[-1-1*
stride];
63 (
t2 + 2*
t3 +
t4 + 2) >> 2);
64
69 }
70
73 {
74 const unsigned lt = src[-1-1*
stride];
76
77 AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);
78 AV_WN32A(src+1*stride, ((l0 + 2*l1 + l2 + 2) >> 2)*0x01010101);
79 AV_WN32A(src+2*stride, ((l1 + 2*l2 + l3 + 2) >> 2)*0x01010101);
80 AV_WN32A(src+3*stride, ((l2 + 2*l3 + l3 + 2) >> 2)*0x01010101);
81 }
82
85 {
88
105 }
106
109 {
114
115 src[0+0*
stride]=(
t0 +
t2 + 2*
t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
117 src[0+1*
stride]=(
t1 +
t3 + 2*
t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
120 src[0+2*
stride]=(
t2 +
t4 + 2*
t3 + 2 + l2 + l4 + 2*l3 + 2)>>3;
124 src[0+3*
stride]=(
t3 +
t5 + 2*
t4 + 2 + l3 + l5 + 2*l4 + 2)>>3;
127 src[1+3*
stride]=(
t4 +
t6 + 2*
t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;
129 src[2+3*
stride]=(
t5 +
t7 + 2*
t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;
130 src[3+3*
stride]=(
t6 +
t7 + 1 + l6 + l7 + 1)>>2;
131 }
132
136 {
140
141 src[0+0*
stride]=(
t0 +
t2 + 2*
t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
143 src[0+1*
stride]=(
t1 +
t3 + 2*
t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
146 src[0+2*
stride]=(
t2 +
t4 + 2*
t3 + 2 + l2 + 3*l3 + 2)>>3;
157 }
158
161 const int l0, const int l1, const int l2,
162 const int l3, const int l4)
163 {
166
167 src[0+0*
stride]=(2*
t0 + 2*
t1 + l1 + 2*l2 + l3 + 4)>>3;
175 src[0+1*
stride]=(
t0 + 2*
t1 +
t2 + l2 + 2*l3 + l4 + 4)>>3;
183 }
184
187 {
190
192 }
193
197 {
199
201 }
202
205 {
208
225 }
226
229 {
234
236 src[1+0*
stride]=(
t2 + 2*
t3 +
t4 + l0 + 2*l1 + l2 + 4)>>3;
240 src[1+1*
stride]=(
t4 + 2*
t5 +
t6 + l1 + 2*l2 + l3 + 4)>>3;
244 src[1+2*
stride]=(
t6 + 3*
t7 + l2 + 3*l3 + 4)>>3;
246 src[1+3*
stride]=(l3 + 2*l4 + l5 + 2)>>2;
249 src[2+3*
stride]=(l4 + l5 + 1)>>1;
250 src[3+3*
stride]=(l4 + 2*l5 + l6 + 2)>>2;
251 }
252
256 {
260
262 src[1+0*
stride]=(
t2 + 2*
t3 +
t4 + l0 + 2*l1 + l2 + 4)>>3;
266 src[1+1*
stride]=(
t4 + 2*
t5 +
t6 + l1 + 2*l2 + l3 + 4)>>3;
270 src[1+2*
stride]=(
t6 + 3*
t7 + l2 + 3*l3 + 4)>>3;
277 }
278
281 {
284 int y;
285
286 for (y = 0; y < 4; y++) {
287 const uint8_t *cm_in = cm + src[-1];
288 src[0] = cm_in[top[0]];
289 src[1] = cm_in[top[1]];
290 src[2] = cm_in[top[2]];
291 src[3] = cm_in[top[3]];
293 }
294 }
295
297 {
298 pred16x16_plane_compat_8_c(src, stride, 1, 0);
299 }
300
302 {
303 pred16x16_plane_compat_8_c(src, stride, 0, 1);
304 }
305
307 {
310 int y;
311
312 for (y = 0; y < 16; y++) {
313 const uint8_t *cm_in = cm + src[-1];
314 src[0] = cm_in[top[0]];
315 src[1] = cm_in[top[1]];
316 src[2] = cm_in[top[2]];
317 src[3] = cm_in[top[3]];
318 src[4] = cm_in[top[4]];
319 src[5] = cm_in[top[5]];
320 src[6] = cm_in[top[6]];
321 src[7] = cm_in[top[7]];
322 src[8] = cm_in[top[8]];
323 src[9] = cm_in[top[9]];
324 src[10] = cm_in[top[10]];
325 src[11] = cm_in[top[11]];
326 src[12] = cm_in[top[12]];
327 src[13] = cm_in[top[13]];
328 src[14] = cm_in[top[14]];
329 src[15] = cm_in[top[15]];
331 }
332 }
333
335 {
336 int i;
337 unsigned dc0;
338
339 dc0=0;
340 for(i=0;i<8; i++)
341 dc0+= src[-1+i*stride];
342 dc0= 0x01010101*((dc0 + 4)>>3);
343
344 for(i=0; i<8; i++){
345 ((uint32_t*)(src+i*stride))[0]=
346 ((uint32_t*)(src+i*
stride))[1]= dc0;
347 }
348 }
349
351 {
352 int i;
353 unsigned dc0;
354
355 dc0=0;
356 for(i=0;i<8; i++)
357 dc0+= src[i-stride];
358 dc0= 0x01010101*((dc0 + 4)>>3);
359
360 for(i=0; i<8; i++){
361 ((uint32_t*)(src+i*stride))[0]=
362 ((uint32_t*)(src+i*
stride))[1]= dc0;
363 }
364 }
365
367 {
368 int i;
369 unsigned dc0 = 0;
370
371 for(i=0;i<4; i++){
374 dc0+= src[-1+(i+4)*stride];
375 }
376 dc0= 0x01010101*((dc0 + 8)>>4);
377
378 for(i=0; i<4; i++){
379 ((uint32_t*)(src+i*stride))[0]= dc0;
380 ((uint32_t*)(src+i*stride))[1]= dc0;
381 }
382 for(i=4; i<8; i++){
383 ((uint32_t*)(src+i*stride))[0]= dc0;
384 ((uint32_t*)(src+i*stride))[1]= dc0;
385 }
386 }
387
389 {
392 int y;
393
394 for (y = 0; y < 8; y++) {
395 const uint8_t *cm_in = cm + src[-1];
396 src[0] = cm_in[top[0]];
397 src[1] = cm_in[top[1]];
398 src[2] = cm_in[top[2]];
399 src[3] = cm_in[top[3]];
400 src[4] = cm_in[top[4]];
401 src[5] = cm_in[top[5]];
402 src[6] = cm_in[top[6]];
403 src[7] = cm_in[top[7]];
405 }
406 }
407
408 /**
409 * Set the intra prediction function pointers.
410 */
413 int chroma_format_idc)
414 {
415 #undef FUNC
416 #undef FUNCC
417 #define FUNC(a, depth) a ## _ ## depth
418 #define FUNCC(a, depth) a ## _ ## depth ## _c
419 #define FUNCD(a) a ## _c
420
421 #define H264_PRED(depth) \
422 if(codec_id != AV_CODEC_ID_RV40){\
423 if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\
424 h->pred4x4[VERT_PRED ]= FUNCD(pred4x4_vertical_vp8);\
425 h->pred4x4[HOR_PRED ]= FUNCD(pred4x4_horizontal_vp8);\
426 } else {\
427 h->pred4x4[VERT_PRED ]= FUNCC(pred4x4_vertical , depth);\
428 h->pred4x4[HOR_PRED ]= FUNCC(pred4x4_horizontal , depth);\
429 }\
430 h->pred4x4[DC_PRED ]= FUNCC(pred4x4_dc , depth);\
431 if(codec_id == AV_CODEC_ID_SVQ3)\
432 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCD(pred4x4_down_left_svq3);\
433 else\
434 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred4x4_down_left , depth);\
435 h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right , depth);\
436 h->pred4x4[VERT_RIGHT_PRED ]= FUNCC(pred4x4_vertical_right , depth);\
437 h->pred4x4[HOR_DOWN_PRED ]= FUNCC(pred4x4_horizontal_down , depth);\
438 if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\
439 h->pred4x4[VERT_LEFT_PRED ]= FUNCD(pred4x4_vertical_left_vp8);\
440 } else\
441 h->pred4x4[VERT_LEFT_PRED ]= FUNCC(pred4x4_vertical_left , depth);\
442 h->pred4x4[HOR_UP_PRED ]= FUNCC(pred4x4_horizontal_up , depth);\
443 if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) {\
444 h->pred4x4[LEFT_DC_PRED ]= FUNCC(pred4x4_left_dc , depth);\
445 h->pred4x4[TOP_DC_PRED ]= FUNCC(pred4x4_top_dc , depth);\
446 } else {\
447 h->pred4x4[TM_VP8_PRED ]= FUNCD(pred4x4_tm_vp8);\
448 h->pred4x4[DC_127_PRED ]= FUNCC(pred4x4_127_dc , depth);\
449 h->pred4x4[DC_129_PRED ]= FUNCC(pred4x4_129_dc , depth);\
450 h->pred4x4[VERT_VP8_PRED ]= FUNCC(pred4x4_vertical , depth);\
451 h->pred4x4[HOR_VP8_PRED ]= FUNCC(pred4x4_horizontal , depth);\
452 }\
453 if (codec_id != AV_CODEC_ID_VP8)\
454 h->pred4x4[DC_128_PRED ]= FUNCC(pred4x4_128_dc , depth);\
455 }else{\
456 h->pred4x4[VERT_PRED ]= FUNCC(pred4x4_vertical , depth);\
457 h->pred4x4[HOR_PRED ]= FUNCC(pred4x4_horizontal , depth);\
458 h->pred4x4[DC_PRED ]= FUNCC(pred4x4_dc , depth);\
459 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCD(pred4x4_down_left_rv40);\
460 h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right , depth);\
461 h->pred4x4[VERT_RIGHT_PRED ]= FUNCC(pred4x4_vertical_right , depth);\
462 h->pred4x4[HOR_DOWN_PRED ]= FUNCC(pred4x4_horizontal_down , depth);\
463 h->pred4x4[VERT_LEFT_PRED ]= FUNCD(pred4x4_vertical_left_rv40);\
464 h->pred4x4[HOR_UP_PRED ]= FUNCD(pred4x4_horizontal_up_rv40);\
465 h->pred4x4[LEFT_DC_PRED ]= FUNCC(pred4x4_left_dc , depth);\
466 h->pred4x4[TOP_DC_PRED ]= FUNCC(pred4x4_top_dc , depth);\
467 h->pred4x4[DC_128_PRED ]= FUNCC(pred4x4_128_dc , depth);\
468 h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN]= FUNCD(pred4x4_down_left_rv40_nodown);\
469 h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= FUNCD(pred4x4_horizontal_up_rv40_nodown);\
470 h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= FUNCD(pred4x4_vertical_left_rv40_nodown);\
471 }\
472 \
473 h->pred8x8l[VERT_PRED ]= FUNCC(pred8x8l_vertical , depth);\
474 h->pred8x8l[HOR_PRED ]= FUNCC(pred8x8l_horizontal , depth);\
475 h->pred8x8l[DC_PRED ]= FUNCC(pred8x8l_dc , depth);\
476 h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred8x8l_down_left , depth);\
477 h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred8x8l_down_right , depth);\
478 h->pred8x8l[VERT_RIGHT_PRED ]= FUNCC(pred8x8l_vertical_right , depth);\
479 h->pred8x8l[HOR_DOWN_PRED ]= FUNCC(pred8x8l_horizontal_down , depth);\
480 h->pred8x8l[VERT_LEFT_PRED ]= FUNCC(pred8x8l_vertical_left , depth);\
481 h->pred8x8l[HOR_UP_PRED ]= FUNCC(pred8x8l_horizontal_up , depth);\
482 h->pred8x8l[LEFT_DC_PRED ]= FUNCC(pred8x8l_left_dc , depth);\
483 h->pred8x8l[TOP_DC_PRED ]= FUNCC(pred8x8l_top_dc , depth);\
484 h->pred8x8l[DC_128_PRED ]= FUNCC(pred8x8l_128_dc , depth);\
485 \
486 if (chroma_format_idc <= 1) {\
487 h->pred8x8[VERT_PRED8x8 ]= FUNCC(pred8x8_vertical , depth);\
488 h->pred8x8[HOR_PRED8x8 ]= FUNCC(pred8x8_horizontal , depth);\
489 } else {\
490 h->pred8x8[VERT_PRED8x8 ]= FUNCC(pred8x16_vertical , depth);\
491 h->pred8x8[HOR_PRED8x8 ]= FUNCC(pred8x16_horizontal , depth);\
492 }\
493 if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) {\
494 if (chroma_format_idc <= 1) {\
495 h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x8_plane , depth);\
496 } else {\
497 h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x16_plane , depth);\
498 }\
499 } else\
500 h->pred8x8[PLANE_PRED8x8]= FUNCD(pred8x8_tm_vp8);\
501 if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 && \
502 codec_id != AV_CODEC_ID_VP8) {\
503 if (chroma_format_idc <= 1) {\
504 h->pred8x8[DC_PRED8x8 ]= FUNCC(pred8x8_dc , depth);\
505 h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc , depth);\
506 h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc , depth);\
507 h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l0t, depth);\
508 h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0lt, depth);\
509 h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l00, depth);\
510 h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0l0, depth);\
511 } else {\
512 h->pred8x8[DC_PRED8x8 ]= FUNCC(pred8x16_dc , depth);\
513 h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x16_left_dc , depth);\
514 h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x16_top_dc , depth);\
515 h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l0t, depth);\
516 h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0lt, depth);\
517 h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l00, depth);\
518 h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0l0, depth);\
519 }\
520 }else{\
521 h->pred8x8[DC_PRED8x8 ]= FUNCD(pred8x8_dc_rv40);\
522 h->pred8x8[LEFT_DC_PRED8x8]= FUNCD(pred8x8_left_dc_rv40);\
523 h->pred8x8[TOP_DC_PRED8x8 ]= FUNCD(pred8x8_top_dc_rv40);\
524 if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\
525 h->pred8x8[DC_127_PRED8x8]= FUNCC(pred8x8_127_dc , depth);\
526 h->pred8x8[DC_129_PRED8x8]= FUNCC(pred8x8_129_dc , depth);\
527 }\
528 }\
529 if (chroma_format_idc <= 1) {\
530 h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x8_128_dc , depth);\
531 } else {\
532 h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x16_128_dc , depth);\
533 }\
534 \
535 h->pred16x16[DC_PRED8x8 ]= FUNCC(pred16x16_dc , depth);\
536 h->pred16x16[VERT_PRED8x8 ]= FUNCC(pred16x16_vertical , depth);\
537 h->pred16x16[HOR_PRED8x8 ]= FUNCC(pred16x16_horizontal , depth);\
538 switch(codec_id){\
539 case AV_CODEC_ID_SVQ3:\
540 h->pred16x16[PLANE_PRED8x8 ]= FUNCD(pred16x16_plane_svq3);\
541 break;\
542 case AV_CODEC_ID_RV40:\
543 h->pred16x16[PLANE_PRED8x8 ]= FUNCD(pred16x16_plane_rv40);\
544 break;\
545 case AV_CODEC_ID_VP7:\
546 case AV_CODEC_ID_VP8:\
547 h->pred16x16[PLANE_PRED8x8 ]= FUNCD(pred16x16_tm_vp8);\
548 h->pred16x16[DC_127_PRED8x8]= FUNCC(pred16x16_127_dc , depth);\
549 h->pred16x16[DC_129_PRED8x8]= FUNCC(pred16x16_129_dc , depth);\
550 break;\
551 default:\
552 h->pred16x16[PLANE_PRED8x8 ]= FUNCC(pred16x16_plane , depth);\
553 break;\
554 }\
555 h->pred16x16[LEFT_DC_PRED8x8]= FUNCC(pred16x16_left_dc , depth);\
556 h->pred16x16[TOP_DC_PRED8x8 ]= FUNCC(pred16x16_top_dc , depth);\
557 h->pred16x16[DC_128_PRED8x8 ]= FUNCC(pred16x16_128_dc , depth);\
558 \
559 /* special lossless h/v prediction for H.264 */ \
560 h->pred4x4_add [VERT_PRED ]= FUNCC(pred4x4_vertical_add , depth);\
561 h->pred4x4_add [ HOR_PRED ]= FUNCC(pred4x4_horizontal_add , depth);\
562 h->pred8x8l_add [VERT_PRED ]= FUNCC(pred8x8l_vertical_add , depth);\
563 h->pred8x8l_add [ HOR_PRED ]= FUNCC(pred8x8l_horizontal_add , depth);\
564 h->pred8x8l_filter_add [VERT_PRED ]= FUNCC(pred8x8l_vertical_filter_add , depth);\
565 h->pred8x8l_filter_add [ HOR_PRED ]= FUNCC(pred8x8l_horizontal_filter_add , depth);\
566 if (chroma_format_idc <= 1) {\
567 h->pred8x8_add [VERT_PRED8x8]= FUNCC(pred8x8_vertical_add , depth);\
568 h->pred8x8_add [ HOR_PRED8x8]= FUNCC(pred8x8_horizontal_add , depth);\
569 } else {\
570 h->pred8x8_add [VERT_PRED8x8]= FUNCC(pred8x16_vertical_add , depth);\
571 h->pred8x8_add [ HOR_PRED8x8]= FUNCC(pred8x16_horizontal_add , depth);\
572 }\
573 h->pred16x16_add[VERT_PRED8x8]= FUNCC(pred16x16_vertical_add , depth);\
574 h->pred16x16_add[ HOR_PRED8x8]= FUNCC(pred16x16_horizontal_add , depth);\
575
576 switch (bit_depth) {
577 case 9:
579 break;
580 case 10:
582 break;
583 case 12:
585 break;
586 case 14:
588 break;
589 default:
592 break;
593 }
594
595 if (ARCH_AARCH64)
597 if (ARCH_ARM)
599 if (ARCH_X86)
601 if (ARCH_MIPS)
603 }
void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
static void pred16x16_plane_svq3_c(uint8_t *src, ptrdiff_t stride)
void ff_h264_pred_init_mips(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id, const int bit_depth, int chroma_format_idc)
Set the intra prediction function pointers.
static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright, ptrdiff_t stride, const int l0, const int l1, const int l2, const int l3, const int l4)
static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Macro definitions for various function/variable attributes.
#define PACK_4U8(a, b, c, d)
#define av_assert0(cond)
assert() equivalent, that is always enabled.
static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
static void pred8x8_left_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Context for storing H.264 prediction functions.
static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
static void pred16x16_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
static void pred16x16_plane_rv40_c(uint8_t *src, ptrdiff_t stride)
simple assert() macros that are a bit more flexible than ISO C assert().
av_cold void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
H.264 / AVC / MPEG-4 part10 prediction functions.
static void pred8x8_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
static void pred8x8_top_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Libavcodec external API header.
static void pred8x8_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
H.264 / AVC / MPEG-4 prediction functions.
av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
GLint GLenum GLboolean GLsizei stride
static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
#define LOAD_DOWN_LEFT_EDGE
static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
#define LOAD_TOP_RIGHT_EDGE
static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)