84503ec2f6e7f50a7619dae7fd2d248f22f989a6
[libav.git] / libavcodec / hevcdsp_template.c
1 /*
2 * HEVC video decoder
3 *
4 * Copyright (C) 2012 - 2013 Guillaume Martres
5 *
6 * This file is part of Libav.
7 *
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "get_bits.h"
24 #include "hevc.h"
25
26 #include "bit_depth_template.c"
27
28 static void FUNC(put_pcm)(uint8_t *_dst, ptrdiff_t stride, int size,
29 GetBitContext *gb, int pcm_bit_depth)
30 {
31 int x, y;
32 pixel *dst = (pixel *)_dst;
33
34 stride /= sizeof(pixel);
35
36 for (y = 0; y < size; y++) {
37 for (x = 0; x < size; x++)
38 dst[x] = get_bits(gb, pcm_bit_depth) << (BIT_DEPTH - pcm_bit_depth);
39 dst += stride;
40 }
41 }
42
43 static av_always_inline void FUNC(transquant_bypass)(uint8_t *_dst, int16_t *coeffs,
44 ptrdiff_t stride, int size)
45 {
46 int x, y;
47 pixel *dst = (pixel *)_dst;
48
49 stride /= sizeof(pixel);
50
51 for (y = 0; y < size; y++) {
52 for (x = 0; x < size; x++) {
53 dst[x] = av_clip_pixel(dst[x] + *coeffs);
54 coeffs++;
55 }
56 dst += stride;
57 }
58 }
59
60 static void FUNC(transquant_bypass4x4)(uint8_t *_dst, int16_t *coeffs,
61 ptrdiff_t stride)
62 {
63 FUNC(transquant_bypass)(_dst, coeffs, stride, 4);
64 }
65
66 static void FUNC(transquant_bypass8x8)(uint8_t *_dst, int16_t *coeffs,
67 ptrdiff_t stride)
68 {
69 FUNC(transquant_bypass)(_dst, coeffs, stride, 8);
70 }
71
72 static void FUNC(transquant_bypass16x16)(uint8_t *_dst, int16_t *coeffs,
73 ptrdiff_t stride)
74 {
75 FUNC(transquant_bypass)(_dst, coeffs, stride, 16);
76 }
77
78 static void FUNC(transquant_bypass32x32)(uint8_t *_dst, int16_t *coeffs,
79 ptrdiff_t stride)
80 {
81 FUNC(transquant_bypass)(_dst, coeffs, stride, 32);
82 }
83
84 static void FUNC(transform_skip)(uint8_t *_dst, int16_t *coeffs,
85 ptrdiff_t stride)
86 {
87 pixel *dst = (pixel *)_dst;
88 int shift = 13 - BIT_DEPTH;
89 #if BIT_DEPTH <= 13
90 int offset = 1 << (shift - 1);
91 #else
92 int offset = 0;
93 #endif
94 int x, y;
95
96 stride /= sizeof(pixel);
97
98 for (y = 0; y < 4 * 4; y += 4) {
99 for (x = 0; x < 4; x++)
100 dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift));
101 dst += stride;
102 }
103 }
104
105 #define SET(dst, x) (dst) = (x)
106 #define SCALE(dst, x) (dst) = av_clip_int16(((x) + add) >> shift)
107 #define ADD_AND_SCALE(dst, x) \
108 (dst) = av_clip_pixel((dst) + av_clip_int16(((x) + add) >> shift))
109
110 #define TR_4x4_LUMA(dst, src, step, assign) \
111 do { \
112 int c0 = src[0 * step] + src[2 * step]; \
113 int c1 = src[2 * step] + src[3 * step]; \
114 int c2 = src[0 * step] - src[3 * step]; \
115 int c3 = 74 * src[1 * step]; \
116 \
117 assign(dst[2 * step], 74 * (src[0 * step] - \
118 src[2 * step] + \
119 src[3 * step])); \
120 assign(dst[0 * step], 29 * c0 + 55 * c1 + c3); \
121 assign(dst[1 * step], 55 * c2 - 29 * c1 + c3); \
122 assign(dst[3 * step], 55 * c0 + 29 * c2 - c3); \
123 } while (0)
124
125 static void FUNC(transform_4x4_luma_add)(uint8_t *_dst, int16_t *coeffs,
126 ptrdiff_t stride)
127 {
128 int i;
129 pixel *dst = (pixel *)_dst;
130 int shift = 7;
131 int add = 1 << (shift - 1);
132 int16_t *src = coeffs;
133
134 stride /= sizeof(pixel);
135
136 for (i = 0; i < 4; i++) {
137 TR_4x4_LUMA(src, src, 4, SCALE);
138 src++;
139 }
140
141 shift = 20 - BIT_DEPTH;
142 add = 1 << (shift - 1);
143 for (i = 0; i < 4; i++) {
144 TR_4x4_LUMA(dst, coeffs, 1, ADD_AND_SCALE);
145 coeffs += 4;
146 dst += stride;
147 }
148 }
149
150 #undef TR_4x4_LUMA
151
152 #define TR_4(dst, src, dstep, sstep, assign) \
153 do { \
154 const int e0 = transform[8 * 0][0] * src[0 * sstep] + \
155 transform[8 * 2][0] * src[2 * sstep]; \
156 const int e1 = transform[8 * 0][1] * src[0 * sstep] + \
157 transform[8 * 2][1] * src[2 * sstep]; \
158 const int o0 = transform[8 * 1][0] * src[1 * sstep] + \
159 transform[8 * 3][0] * src[3 * sstep]; \
160 const int o1 = transform[8 * 1][1] * src[1 * sstep] + \
161 transform[8 * 3][1] * src[3 * sstep]; \
162 \
163 assign(dst[0 * dstep], e0 + o0); \
164 assign(dst[1 * dstep], e1 + o1); \
165 assign(dst[2 * dstep], e1 - o1); \
166 assign(dst[3 * dstep], e0 - o0); \
167 } while (0)
168
169 static void FUNC(transform_4x4_add)(uint8_t *_dst, int16_t *coeffs,
170 ptrdiff_t stride)
171 {
172 int i;
173 pixel *dst = (pixel *)_dst;
174 int shift = 7;
175 int add = 1 << (shift - 1);
176 int16_t *src = coeffs;
177
178 stride /= sizeof(pixel);
179
180 for (i = 0; i < 4; i++) {
181 TR_4(src, src, 4, 4, SCALE);
182 src++;
183 }
184
185 shift = 20 - BIT_DEPTH;
186 add = 1 << (shift - 1);
187 for (i = 0; i < 4; i++) {
188 TR_4(dst, coeffs, 1, 1, ADD_AND_SCALE);
189 coeffs += 4;
190 dst += stride;
191 }
192 }
193
194 #define TR_8(dst, src, dstep, sstep, assign) \
195 do { \
196 int i, j; \
197 int e_8[4]; \
198 int o_8[4] = { 0 }; \
199 for (i = 0; i < 4; i++) \
200 for (j = 1; j < 8; j += 2) \
201 o_8[i] += transform[4 * j][i] * src[j * sstep]; \
202 TR_4(e_8, src, 1, 2 * sstep, SET); \
203 \
204 for (i = 0; i < 4; i++) { \
205 assign(dst[i * dstep], e_8[i] + o_8[i]); \
206 assign(dst[(7 - i) * dstep], e_8[i] - o_8[i]); \
207 } \
208 } while (0)
209
210 #define TR_16(dst, src, dstep, sstep, assign) \
211 do { \
212 int i, j; \
213 int e_16[8]; \
214 int o_16[8] = { 0 }; \
215 for (i = 0; i < 8; i++) \
216 for (j = 1; j < 16; j += 2) \
217 o_16[i] += transform[2 * j][i] * src[j * sstep]; \
218 TR_8(e_16, src, 1, 2 * sstep, SET); \
219 \
220 for (i = 0; i < 8; i++) { \
221 assign(dst[i * dstep], e_16[i] + o_16[i]); \
222 assign(dst[(15 - i) * dstep], e_16[i] - o_16[i]); \
223 } \
224 } while (0)
225
226 #define TR_32(dst, src, dstep, sstep, assign) \
227 do { \
228 int i, j; \
229 int e_32[16]; \
230 int o_32[16] = { 0 }; \
231 for (i = 0; i < 16; i++) \
232 for (j = 1; j < 32; j += 2) \
233 o_32[i] += transform[j][i] * src[j * sstep]; \
234 TR_16(e_32, src, 1, 2 * sstep, SET); \
235 \
236 for (i = 0; i < 16; i++) { \
237 assign(dst[i * dstep], e_32[i] + o_32[i]); \
238 assign(dst[(31 - i) * dstep], e_32[i] - o_32[i]); \
239 } \
240 } while (0)
241
242
243
244 static void FUNC(transform_8x8_add)(uint8_t *_dst, int16_t *coeffs,
245 ptrdiff_t stride)
246 {
247 int i;
248 pixel *dst = (pixel *)_dst;
249 int shift = 7;
250 int add = 1 << (shift - 1);
251 int16_t *src = coeffs;
252
253 stride /= sizeof(pixel);
254
255 for (i = 0; i < 8; i++) {
256 TR_8(src, src, 8, 8, SCALE);
257 src++;
258 }
259
260 shift = 20 - BIT_DEPTH;
261 add = 1 << (shift - 1);
262 for (i = 0; i < 8; i++) {
263 TR_8(dst, coeffs, 1, 1, ADD_AND_SCALE);
264 coeffs += 8;
265 dst += stride;
266 }
267 }
268
269 static void FUNC(transform_16x16_add)(uint8_t *_dst, int16_t *coeffs,
270 ptrdiff_t stride)
271 {
272 int i;
273 pixel *dst = (pixel *)_dst;
274 int shift = 7;
275 int add = 1 << (shift - 1);
276 int16_t *src = coeffs;
277
278 stride /= sizeof(pixel);
279
280 for (i = 0; i < 16; i++) {
281 TR_16(src, src, 16, 16, SCALE);
282 src++;
283 }
284
285 shift = 20 - BIT_DEPTH;
286 add = 1 << (shift - 1);
287 for (i = 0; i < 16; i++) {
288 TR_16(dst, coeffs, 1, 1, ADD_AND_SCALE);
289 coeffs += 16;
290 dst += stride;
291 }
292 }
293
294 static void FUNC(transform_32x32_add)(uint8_t *_dst, int16_t *coeffs,
295 ptrdiff_t stride)
296 {
297 int i;
298 pixel *dst = (pixel *)_dst;
299 int shift = 7;
300 int add = 1 << (shift - 1);
301 int16_t *src = coeffs;
302
303 stride /= sizeof(pixel);
304
305 for (i = 0; i < 32; i++) {
306 TR_32(src, src, 32, 32, SCALE);
307 src++;
308 }
309 src = coeffs;
310 shift = 20 - BIT_DEPTH;
311 add = 1 << (shift - 1);
312 for (i = 0; i < 32; i++) {
313 TR_32(dst, coeffs, 1, 1, ADD_AND_SCALE);
314 coeffs += 32;
315 dst += stride;
316 }
317 }
318
319 static void FUNC(sao_band_filter)(uint8_t *_dst, uint8_t *_src,
320 ptrdiff_t stride, SAOParams *sao,
321 int *borders, int width, int height,
322 int c_idx, int class)
323 {
324 pixel *dst = (pixel *)_dst;
325 pixel *src = (pixel *)_src;
326 int offset_table[32] = { 0 };
327 int k, y, x;
328 int chroma = !!c_idx;
329 int shift = BIT_DEPTH - 5;
330 int *sao_offset_val = sao->offset_val[c_idx];
331 int sao_left_class = sao->band_position[c_idx];
332 int init_y = 0, init_x = 0;
333
334 stride /= sizeof(pixel);
335
336 switch (class) {
337 case 0:
338 if (!borders[2])
339 width -= (8 >> chroma) + 2;
340 if (!borders[3])
341 height -= (4 >> chroma) + 2;
342 break;
343 case 1:
344 init_y = -(4 >> chroma) - 2;
345 if (!borders[2])
346 width -= (8 >> chroma) + 2;
347 height = (4 >> chroma) + 2;
348 break;
349 case 2:
350 init_x = -(8 >> chroma) - 2;
351 width = (8 >> chroma) + 2;
352 if (!borders[3])
353 height -= (4 >> chroma) + 2;
354 break;
355 case 3:
356 init_y = -(4 >> chroma) - 2;
357 init_x = -(8 >> chroma) - 2;
358 width = (8 >> chroma) + 2;
359 height = (4 >> chroma) + 2;
360 break;
361 }
362
363 dst = dst + (init_y * stride + init_x);
364 src = src + (init_y * stride + init_x);
365 for (k = 0; k < 4; k++)
366 offset_table[(k + sao_left_class) & 31] = sao_offset_val[k + 1];
367 for (y = 0; y < height; y++) {
368 for (x = 0; x < width; x++)
369 dst[x] = av_clip_pixel(src[x] + offset_table[src[x] >> shift]);
370 dst += stride;
371 src += stride;
372 }
373 }
374
375 static void FUNC(sao_band_filter_0)(uint8_t *dst, uint8_t *src,
376 ptrdiff_t stride, SAOParams *sao,
377 int *borders, int width, int height,
378 int c_idx)
379 {
380 FUNC(sao_band_filter)(dst, src, stride, sao, borders,
381 width, height, c_idx, 0);
382 }
383
384 static void FUNC(sao_band_filter_1)(uint8_t *dst, uint8_t *src,
385 ptrdiff_t stride, SAOParams *sao,
386 int *borders, int width, int height,
387 int c_idx)
388 {
389 FUNC(sao_band_filter)(dst, src, stride, sao, borders,
390 width, height, c_idx, 1);
391 }
392
393 static void FUNC(sao_band_filter_2)(uint8_t *dst, uint8_t *src,
394 ptrdiff_t stride, SAOParams *sao,
395 int *borders, int width, int height,
396 int c_idx)
397 {
398 FUNC(sao_band_filter)(dst, src, stride, sao, borders,
399 width, height, c_idx, 2);
400 }
401
402 static void FUNC(sao_band_filter_3)(uint8_t *_dst, uint8_t *_src,
403 ptrdiff_t stride, SAOParams *sao,
404 int *borders, int width, int height,
405 int c_idx)
406 {
407 FUNC(sao_band_filter)(_dst, _src, stride, sao, borders,
408 width, height, c_idx, 3);
409 }
410
411 static void FUNC(sao_edge_filter_0)(uint8_t *_dst, uint8_t *_src,
412 ptrdiff_t stride, SAOParams *sao,
413 int *borders, int _width, int _height,
414 int c_idx, uint8_t vert_edge,
415 uint8_t horiz_edge, uint8_t diag_edge)
416 {
417 int x, y;
418 pixel *dst = (pixel *)_dst;
419 pixel *src = (pixel *)_src;
420 int chroma = !!c_idx;
421 int *sao_offset_val = sao->offset_val[c_idx];
422 int sao_eo_class = sao->eo_class[c_idx];
423 int init_x = 0, init_y = 0, width = _width, height = _height;
424
425 static const int8_t pos[4][2][2] = {
426 { { -1, 0 }, { 1, 0 } }, // horizontal
427 { { 0, -1 }, { 0, 1 } }, // vertical
428 { { -1, -1 }, { 1, 1 } }, // 45 degree
429 { { 1, -1 }, { -1, 1 } }, // 135 degree
430 };
431 static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 };
432
433 #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
434
435 stride /= sizeof(pixel);
436
437 if (!borders[2])
438 width -= (8 >> chroma) + 2;
439 if (!borders[3])
440 height -= (4 >> chroma) + 2;
441
442 dst = dst + (init_y * stride + init_x);
443 src = src + (init_y * stride + init_x);
444 init_y = init_x = 0;
445 if (sao_eo_class != SAO_EO_VERT) {
446 if (borders[0]) {
447 int offset_val = sao_offset_val[0];
448 int y_stride = 0;
449 for (y = 0; y < height; y++) {
450 dst[y_stride] = av_clip_pixel(src[y_stride] + offset_val);
451 y_stride += stride;
452 }
453 init_x = 1;
454 }
455 if (borders[2]) {
456 int offset_val = sao_offset_val[0];
457 int x_stride = width - 1;
458 for (x = 0; x < height; x++) {
459 dst[x_stride] = av_clip_pixel(src[x_stride] + offset_val);
460 x_stride += stride;
461 }
462 width--;
463 }
464 }
465 if (sao_eo_class != SAO_EO_HORIZ) {
466 if (borders[1]) {
467 int offset_val = sao_offset_val[0];
468 for (x = init_x; x < width; x++)
469 dst[x] = av_clip_pixel(src[x] + offset_val);
470 init_y = 1;
471 }
472 if (borders[3]) {
473 int offset_val = sao_offset_val[0];
474 int y_stride = stride * (height - 1);
475 for (x = init_x; x < width; x++)
476 dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + offset_val);
477 height--;
478 }
479 }
480 {
481 int y_stride = init_y * stride;
482 int pos_0_0 = pos[sao_eo_class][0][0];
483 int pos_0_1 = pos[sao_eo_class][0][1];
484 int pos_1_0 = pos[sao_eo_class][1][0];
485 int pos_1_1 = pos[sao_eo_class][1][1];
486
487 int y_stride_0_1 = (init_y + pos_0_1) * stride;
488 int y_stride_1_1 = (init_y + pos_1_1) * stride;
489 for (y = init_y; y < height; y++) {
490 for (x = init_x; x < width; x++) {
491 int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]);
492 int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]);
493 int offset_val = edge_idx[2 + diff0 + diff1];
494 dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]);
495 }
496 y_stride += stride;
497 y_stride_0_1 += stride;
498 y_stride_1_1 += stride;
499 }
500 }
501
502 {
503 // Restore pixels that can't be modified
504 int save_upper_left = !diag_edge && sao_eo_class == SAO_EO_135D && !borders[0] && !borders[1];
505 if (vert_edge && sao_eo_class != SAO_EO_VERT)
506 for (y = init_y+save_upper_left; y< height; y++)
507 dst[y*stride] = src[y*stride];
508 if(horiz_edge && sao_eo_class != SAO_EO_HORIZ)
509 for(x = init_x+save_upper_left; x<width; x++)
510 dst[x] = src[x];
511 if(diag_edge && sao_eo_class == SAO_EO_135D)
512 dst[0] = src[0];
513 }
514
515 #undef CMP
516 }
517
518 static void FUNC(sao_edge_filter_1)(uint8_t *_dst, uint8_t *_src,
519 ptrdiff_t stride, SAOParams *sao,
520 int *borders, int _width, int _height,
521 int c_idx, uint8_t vert_edge,
522 uint8_t horiz_edge, uint8_t diag_edge)
523 {
524 int x, y;
525 pixel *dst = (pixel *)_dst;
526 pixel *src = (pixel *)_src;
527 int chroma = !!c_idx;
528 int *sao_offset_val = sao->offset_val[c_idx];
529 int sao_eo_class = sao->eo_class[c_idx];
530 int init_x = 0, init_y = 0, width = _width, height = _height;
531
532 static const int8_t pos[4][2][2] = {
533 { { -1, 0 }, { 1, 0 } }, // horizontal
534 { { 0, -1 }, { 0, 1 } }, // vertical
535 { { -1, -1 }, { 1, 1 } }, // 45 degree
536 { { 1, -1 }, { -1, 1 } }, // 135 degree
537 };
538 static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 };
539
540 #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
541
542 stride /= sizeof(pixel);
543
544 init_y = -(4 >> chroma) - 2;
545 if (!borders[2])
546 width -= (8 >> chroma) + 2;
547 height = (4 >> chroma) + 2;
548
549 dst = dst + (init_y * stride + init_x);
550 src = src + (init_y * stride + init_x);
551 init_y = init_x = 0;
552 if (sao_eo_class != SAO_EO_VERT) {
553 if (borders[0]) {
554 int offset_val = sao_offset_val[0];
555 int y_stride = 0;
556 for (y = 0; y < height; y++) {
557 dst[y_stride] = av_clip_pixel(src[y_stride] + offset_val);
558 y_stride += stride;
559 }
560 init_x = 1;
561 }
562 if (borders[2]) {
563 int offset_val = sao_offset_val[0];
564 int x_stride = width - 1;
565 for (x = 0; x < height; x++) {
566 dst[x_stride] = av_clip_pixel(src[x_stride] + offset_val);
567 x_stride += stride;
568 }
569 width--;
570 }
571 }
572 {
573 int y_stride = init_y * stride;
574 int pos_0_0 = pos[sao_eo_class][0][0];
575 int pos_0_1 = pos[sao_eo_class][0][1];
576 int pos_1_0 = pos[sao_eo_class][1][0];
577 int pos_1_1 = pos[sao_eo_class][1][1];
578
579 int y_stride_0_1 = (init_y + pos_0_1) * stride;
580 int y_stride_1_1 = (init_y + pos_1_1) * stride;
581 for (y = init_y; y < height; y++) {
582 for (x = init_x; x < width; x++) {
583 int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]);
584 int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]);
585 int offset_val = edge_idx[2 + diff0 + diff1];
586 dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]);
587 }
588 y_stride += stride;
589 y_stride_0_1 += stride;
590 y_stride_1_1 += stride;
591 }
592 }
593
594 {
595 // Restore pixels that can't be modified
596 int save_lower_left = !diag_edge && sao_eo_class == SAO_EO_45D && !borders[0];
597 if(vert_edge && sao_eo_class != SAO_EO_VERT)
598 for(y = init_y; y< height-save_lower_left; y++)
599 dst[y*stride] = src[y*stride];
600 if(horiz_edge && sao_eo_class != SAO_EO_HORIZ)
601 for(x = init_x+save_lower_left; x<width; x++)
602 dst[(height-1)*stride+x] = src[(height-1)*stride+x];
603 if(diag_edge && sao_eo_class == SAO_EO_45D)
604 dst[stride*(height-1)] = src[stride*(height-1)];
605 }
606
607 #undef CMP
608 }
609
610 static void FUNC(sao_edge_filter_2)(uint8_t *_dst, uint8_t *_src,
611 ptrdiff_t stride, SAOParams *sao,
612 int *borders, int _width, int _height,
613 int c_idx, uint8_t vert_edge,
614 uint8_t horiz_edge, uint8_t diag_edge)
615 {
616 int x, y;
617 pixel *dst = (pixel *)_dst;
618 pixel *src = (pixel *)_src;
619 int chroma = !!c_idx;
620 int *sao_offset_val = sao->offset_val[c_idx];
621 int sao_eo_class = sao->eo_class[c_idx];
622 int init_x = 0, init_y = 0, width = _width, height = _height;
623
624 static const int8_t pos[4][2][2] = {
625 { { -1, 0 }, { 1, 0 } }, // horizontal
626 { { 0, -1 }, { 0, 1 } }, // vertical
627 { { -1, -1 }, { 1, 1 } }, // 45 degree
628 { { 1, -1 }, { -1, 1 } }, // 135 degree
629 };
630 static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 };
631
632 #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
633
634 stride /= sizeof(pixel);
635
636 init_x = -(8 >> chroma) - 2;
637 width = (8 >> chroma) + 2;
638 if (!borders[3])
639 height -= (4 >> chroma) + 2;
640
641 dst = dst + (init_y * stride + init_x);
642 src = src + (init_y * stride + init_x);
643 init_y = init_x = 0;
644 if (sao_eo_class != SAO_EO_HORIZ) {
645 if (borders[1]) {
646 int offset_val = sao_offset_val[0];
647 for (x = init_x; x < width; x++)
648 dst[x] = av_clip_pixel(src[x] + offset_val);
649 init_y = 1;
650 }
651 if (borders[3]) {
652 int offset_val = sao_offset_val[0];
653 int y_stride = stride * (height - 1);
654 for (x = init_x; x < width; x++)
655 dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + offset_val);
656 height--;
657 }
658 }
659 {
660 int y_stride = init_y * stride;
661 int pos_0_0 = pos[sao_eo_class][0][0];
662 int pos_0_1 = pos[sao_eo_class][0][1];
663 int pos_1_0 = pos[sao_eo_class][1][0];
664 int pos_1_1 = pos[sao_eo_class][1][1];
665
666 int y_stride_0_1 = (init_y + pos_0_1) * stride;
667 int y_stride_1_1 = (init_y + pos_1_1) * stride;
668 for (y = init_y; y < height; y++) {
669 for (x = init_x; x < width; x++) {
670 int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]);
671 int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]);
672 int offset_val = edge_idx[2 + diff0 + diff1];
673 dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]);
674 }
675 y_stride += stride;
676 y_stride_0_1 += stride;
677 y_stride_1_1 += stride;
678 }
679 }
680
681 {
682 // Restore pixels that can't be modified
683 int save_upper_right = !diag_edge && sao_eo_class == SAO_EO_45D && !borders[1];
684 if(vert_edge && sao_eo_class != SAO_EO_VERT)
685 for(y = init_y+save_upper_right; y< height; y++)
686 dst[y*stride+width-1] = src[y*stride+width-1];
687 if(horiz_edge && sao_eo_class != SAO_EO_HORIZ)
688 for(x = init_x; x<width-save_upper_right; x++)
689 dst[x] = src[x];
690 if(diag_edge && sao_eo_class == SAO_EO_45D)
691 dst[width-1] = src[width-1];
692 }
693 #undef CMP
694 }
695
696 static void FUNC(sao_edge_filter_3)(uint8_t *_dst, uint8_t *_src,
697 ptrdiff_t stride, SAOParams *sao,
698 int *borders, int _width, int _height,
699 int c_idx, uint8_t vert_edge,
700 uint8_t horiz_edge, uint8_t diag_edge)
701 {
702 int x, y;
703 pixel *dst = (pixel *)_dst;
704 pixel *src = (pixel *)_src;
705 int chroma = !!c_idx;
706 int *sao_offset_val = sao->offset_val[c_idx];
707 int sao_eo_class = sao->eo_class[c_idx];
708 int init_x = 0, init_y = 0, width = _width, height = _height;
709
710 static const int8_t pos[4][2][2] = {
711 { { -1, 0 }, { 1, 0 } }, // horizontal
712 { { 0, -1 }, { 0, 1 } }, // vertical
713 { { -1, -1 }, { 1, 1 } }, // 45 degree
714 { { 1, -1 }, { -1, 1 } }, // 135 degree
715 };
716 static const uint8_t edge_idx[] = { 1, 2, 0, 3, 4 };
717
718 #define CMP(a, b) ((a) > (b) ? 1 : ((a) == (b) ? 0 : -1))
719
720 stride /= sizeof(pixel);
721
722 init_y = -(4 >> chroma) - 2;
723 init_x = -(8 >> chroma) - 2;
724 width = (8 >> chroma) + 2;
725 height = (4 >> chroma) + 2;
726
727
728 dst = dst + (init_y * stride + init_x);
729 src = src + (init_y * stride + init_x);
730 init_y = init_x = 0;
731
732 {
733 int y_stride = init_y * stride;
734 int pos_0_0 = pos[sao_eo_class][0][0];
735 int pos_0_1 = pos[sao_eo_class][0][1];
736 int pos_1_0 = pos[sao_eo_class][1][0];
737 int pos_1_1 = pos[sao_eo_class][1][1];
738
739 int y_stride_0_1 = (init_y + pos_0_1) * stride;
740 int y_stride_1_1 = (init_y + pos_1_1) * stride;
741
742 for (y = init_y; y < height; y++) {
743 for (x = init_x; x < width; x++) {
744 int diff0 = CMP(src[x + y_stride], src[x + pos_0_0 + y_stride_0_1]);
745 int diff1 = CMP(src[x + y_stride], src[x + pos_1_0 + y_stride_1_1]);
746 int offset_val = edge_idx[2 + diff0 + diff1];
747 dst[x + y_stride] = av_clip_pixel(src[x + y_stride] + sao_offset_val[offset_val]);
748 }
749 y_stride += stride;
750 y_stride_0_1 += stride;
751 y_stride_1_1 += stride;
752 }
753 }
754
755 {
756 // Restore pixels that can't be modified
757 int save_lower_right = !diag_edge && sao_eo_class == SAO_EO_135D;
758 if(vert_edge && sao_eo_class != SAO_EO_VERT)
759 for(y = init_y; y< height-save_lower_right; y++)
760 dst[y*stride+width-1] = src[y*stride+width-1];
761 if(horiz_edge && sao_eo_class != SAO_EO_HORIZ)
762 for(x = init_x; x<width-save_lower_right; x++)
763 dst[(height-1)*stride+x] = src[(height-1)*stride+x];
764 if(diag_edge && sao_eo_class == SAO_EO_135D)
765 dst[stride*(height-1)+width-1] = src[stride*(height-1)+width-1];
766 }
767 #undef CMP
768 }
769
770 #undef SET
771 #undef SCALE
772 #undef ADD_AND_SCALE
773 #undef TR_4
774 #undef TR_8
775 #undef TR_16
776 #undef TR_32
777
778 static av_always_inline void
779 FUNC(put_hevc_qpel_pixels)(int16_t *dst, ptrdiff_t dststride,
780 uint8_t *_src, ptrdiff_t _srcstride,
781 int width, int height, int mx, int my,
782 int16_t* mcbuffer)
783 {
784 int x, y;
785 pixel *src = (pixel *)_src;
786 ptrdiff_t srcstride = _srcstride / sizeof(pixel);
787
788 for (y = 0; y < height; y++) {
789 for (x = 0; x < width; x++)
790 dst[x] = src[x] << (14 - BIT_DEPTH);
791 src += srcstride;
792 dst += dststride;
793 }
794 }
795
796 #define QPEL_FILTER_1(src, stride) \
797 (1 * -src[x - 3 * stride] + \
798 4 * src[x - 2 * stride] - \
799 10 * src[x - stride] + \
800 58 * src[x] + \
801 17 * src[x + stride] - \
802 5 * src[x + 2 * stride] + \
803 1 * src[x + 3 * stride])
804
805 #define QPEL_FILTER_2(src, stride) \
806 (1 * -src[x - 3 * stride] + \
807 4 * src[x - 2 * stride] - \
808 11 * src[x - stride] + \
809 40 * src[x] + \
810 40 * src[x + stride] - \
811 11 * src[x + 2 * stride] + \
812 4 * src[x + 3 * stride] - \
813 1 * src[x + 4 * stride])
814
815 #define QPEL_FILTER_3(src, stride) \
816 (1 * src[x - 2 * stride] - \
817 5 * src[x - stride] + \
818 17 * src[x] + \
819 58 * src[x + stride] - \
820 10 * src[x + 2 * stride] + \
821 4 * src[x + 3 * stride] - \
822 1 * src[x + 4 * stride])
823
824
825 #define PUT_HEVC_QPEL_H(H) \
826 static void FUNC(put_hevc_qpel_h ## H)(int16_t *dst, ptrdiff_t dststride, \
827 uint8_t *_src, ptrdiff_t _srcstride, \
828 int width, int height, \
829 int16_t* mcbuffer) \
830 { \
831 int x, y; \
832 pixel *src = (pixel*)_src; \
833 ptrdiff_t srcstride = _srcstride / sizeof(pixel); \
834 \
835 for (y = 0; y < height; y++) { \
836 for (x = 0; x < width; x++) \
837 dst[x] = QPEL_FILTER_ ## H(src, 1) >> (BIT_DEPTH - 8); \
838 src += srcstride; \
839 dst += dststride; \
840 } \
841 }
842
843 #define PUT_HEVC_QPEL_V(V) \
844 static void FUNC(put_hevc_qpel_v ## V)(int16_t *dst, ptrdiff_t dststride, \
845 uint8_t *_src, ptrdiff_t _srcstride, \
846 int width, int height, \
847 int16_t* mcbuffer) \
848 { \
849 int x, y; \
850 pixel *src = (pixel*)_src; \
851 ptrdiff_t srcstride = _srcstride / sizeof(pixel); \
852 \
853 for (y = 0; y < height; y++) { \
854 for (x = 0; x < width; x++) \
855 dst[x] = QPEL_FILTER_ ## V(src, srcstride) >> (BIT_DEPTH - 8); \
856 src += srcstride; \
857 dst += dststride; \
858 } \
859 }
860
861 #define PUT_HEVC_QPEL_HV(H, V) \
862 static void FUNC(put_hevc_qpel_h ## H ## v ## V)(int16_t *dst, \
863 ptrdiff_t dststride, \
864 uint8_t *_src, \
865 ptrdiff_t _srcstride, \
866 int width, int height, \
867 int16_t* mcbuffer) \
868 { \
869 int x, y; \
870 pixel *src = (pixel*)_src; \
871 ptrdiff_t srcstride = _srcstride / sizeof(pixel); \
872 \
873 int16_t tmp_array[(MAX_PB_SIZE + 7) * MAX_PB_SIZE]; \
874 int16_t *tmp = tmp_array; \
875 \
876 src -= ff_hevc_qpel_extra_before[V] * srcstride; \
877 \
878 for (y = 0; y < height + ff_hevc_qpel_extra[V]; y++) { \
879 for (x = 0; x < width; x++) \
880 tmp[x] = QPEL_FILTER_ ## H(src, 1) >> (BIT_DEPTH - 8); \
881 src += srcstride; \
882 tmp += MAX_PB_SIZE; \
883 } \
884 \
885 tmp = tmp_array + ff_hevc_qpel_extra_before[V] * MAX_PB_SIZE; \
886 \
887 for (y = 0; y < height; y++) { \
888 for (x = 0; x < width; x++) \
889 dst[x] = QPEL_FILTER_ ## V(tmp, MAX_PB_SIZE) >> 6; \
890 tmp += MAX_PB_SIZE; \
891 dst += dststride; \
892 } \
893 }
894
895 PUT_HEVC_QPEL_H(1)
896 PUT_HEVC_QPEL_H(2)
897 PUT_HEVC_QPEL_H(3)
898 PUT_HEVC_QPEL_V(1)
899 PUT_HEVC_QPEL_V(2)
900 PUT_HEVC_QPEL_V(3)
901 PUT_HEVC_QPEL_HV(1, 1)
902 PUT_HEVC_QPEL_HV(1, 2)
903 PUT_HEVC_QPEL_HV(1, 3)
904 PUT_HEVC_QPEL_HV(2, 1)
905 PUT_HEVC_QPEL_HV(2, 2)
906 PUT_HEVC_QPEL_HV(2, 3)
907 PUT_HEVC_QPEL_HV(3, 1)
908 PUT_HEVC_QPEL_HV(3, 2)
909 PUT_HEVC_QPEL_HV(3, 3)
910
911 #define QPEL(W) \
912 static void FUNC(put_hevc_qpel_pixels_ ## W)(int16_t *dst, ptrdiff_t dststride, \
913 uint8_t *src, ptrdiff_t srcstride, \
914 int height, int mx, int my, \
915 int16_t *mcbuffer) \
916 { \
917 FUNC(put_hevc_qpel_pixels)(dst, dststride, src, srcstride, W, height, \
918 mx, my, mcbuffer); \
919 } \
920 \
921 static void FUNC(put_hevc_qpel_h_ ## W)(int16_t *dst, ptrdiff_t dststride, \
922 uint8_t *src, ptrdiff_t srcstride, \
923 int height, int mx, int my, \
924 int16_t *mcbuffer) \
925 { \
926 if (mx == 1) \
927 FUNC(put_hevc_qpel_h1)(dst, dststride, src, srcstride, W, height, mcbuffer); \
928 else if (mx == 2) \
929 FUNC(put_hevc_qpel_h2)(dst, dststride, src, srcstride, W, height, mcbuffer); \
930 else \
931 FUNC(put_hevc_qpel_h3)(dst, dststride, src, srcstride, W, height, mcbuffer); \
932 } \
933 \
934 static void FUNC(put_hevc_qpel_v_ ## W)(int16_t *dst, ptrdiff_t dststride, \
935 uint8_t *src, ptrdiff_t srcstride, \
936 int height, int mx, int my, \
937 int16_t *mcbuffer) \
938 { \
939 if (my == 1) \
940 FUNC(put_hevc_qpel_v1)(dst, dststride, src, srcstride, W, height, mcbuffer); \
941 else if (my == 2) \
942 FUNC(put_hevc_qpel_v2)(dst, dststride, src, srcstride, W, height, mcbuffer); \
943 else \
944 FUNC(put_hevc_qpel_v3)(dst, dststride, src, srcstride, W, height, mcbuffer); \
945 } \
946 \
947 static void FUNC(put_hevc_qpel_hv_ ## W)(int16_t *dst, ptrdiff_t dststride, \
948 uint8_t *src, ptrdiff_t srcstride, \
949 int height, int mx, int my, \
950 int16_t *mcbuffer) \
951 { \
952 if (my == 1) { \
953 if (mx == 1) \
954 FUNC(put_hevc_qpel_h1v1)(dst, dststride, src, srcstride, W, height, mcbuffer); \
955 else if (mx == 2) \
956 FUNC(put_hevc_qpel_h2v1)(dst, dststride, src, srcstride, W, height, mcbuffer); \
957 else \
958 FUNC(put_hevc_qpel_h3v1)(dst, dststride, src, srcstride, W, height, mcbuffer); \
959 } else if (my == 2) { \
960 if (mx == 1) \
961 FUNC(put_hevc_qpel_h1v2)(dst, dststride, src, srcstride, W, height, mcbuffer); \
962 else if (mx == 2) \
963 FUNC(put_hevc_qpel_h2v2)(dst, dststride, src, srcstride, W, height, mcbuffer); \
964 else \
965 FUNC(put_hevc_qpel_h3v2)(dst, dststride, src, srcstride, W, height, mcbuffer); \
966 } else { \
967 if (mx == 1) \
968 FUNC(put_hevc_qpel_h1v3)(dst, dststride, src, srcstride, W, height, mcbuffer); \
969 else if (mx == 2) \
970 FUNC(put_hevc_qpel_h2v3)(dst, dststride, src, srcstride, W, height, mcbuffer); \
971 else \
972 FUNC(put_hevc_qpel_h3v3)(dst, dststride, src, srcstride, W, height, mcbuffer); \
973 } \
974 }
975
976 QPEL(64)
977 QPEL(48)
978 QPEL(32)
979 QPEL(24)
980 QPEL(16)
981 QPEL(12)
982 QPEL(8)
983 QPEL(4)
984
985 static void FUNC(put_hevc_epel_pixels)(int16_t *dst, ptrdiff_t dststride,
986 uint8_t *_src, ptrdiff_t _srcstride,
987 int width, int height, int mx, int my,
988 int16_t* mcbuffer)
989 {
990 int x, y;
991 pixel *src = (pixel *)_src;
992 ptrdiff_t srcstride = _srcstride / sizeof(pixel);
993
994 for (y = 0; y < height; y++) {
995 for (x = 0; x < width; x++)
996 dst[x] = src[x] << (14 - BIT_DEPTH);
997 src += srcstride;
998 dst += dststride;
999 }
1000 }
1001
1002 #define EPEL_FILTER(src, stride) \
1003 (filter_0 * src[x - stride] + \
1004 filter_1 * src[x] + \
1005 filter_2 * src[x + stride] + \
1006 filter_3 * src[x + 2 * stride])
1007
1008 static void FUNC(put_hevc_epel_h)(int16_t *dst, ptrdiff_t dststride,
1009 uint8_t *_src, ptrdiff_t _srcstride,
1010 int width, int height, int mx, int my,
1011 int16_t* mcbuffer)
1012 {
1013 int x, y;
1014 pixel *src = (pixel *)_src;
1015 ptrdiff_t srcstride = _srcstride / sizeof(pixel);
1016 const int8_t *filter = ff_hevc_epel_filters[mx - 1];
1017 int8_t filter_0 = filter[0];
1018 int8_t filter_1 = filter[1];
1019 int8_t filter_2 = filter[2];
1020 int8_t filter_3 = filter[3];
1021 for (y = 0; y < height; y++) {
1022 for (x = 0; x < width; x++)
1023 dst[x] = EPEL_FILTER(src, 1) >> (BIT_DEPTH - 8);
1024 src += srcstride;
1025 dst += dststride;
1026 }
1027 }
1028
1029 static void FUNC(put_hevc_epel_v)(int16_t *dst, ptrdiff_t dststride,
1030 uint8_t *_src, ptrdiff_t _srcstride,
1031 int width, int height, int mx, int my,
1032 int16_t* mcbuffer)
1033 {
1034 int x, y;
1035 pixel *src = (pixel *)_src;
1036 ptrdiff_t srcstride = _srcstride / sizeof(pixel);
1037 const int8_t *filter = ff_hevc_epel_filters[my - 1];
1038 int8_t filter_0 = filter[0];
1039 int8_t filter_1 = filter[1];
1040 int8_t filter_2 = filter[2];
1041 int8_t filter_3 = filter[3];
1042
1043 for (y = 0; y < height; y++) {
1044 for (x = 0; x < width; x++)
1045 dst[x] = EPEL_FILTER(src, srcstride) >> (BIT_DEPTH - 8);
1046 src += srcstride;
1047 dst += dststride;
1048 }
1049 }
1050
1051 static void FUNC(put_hevc_epel_hv)(int16_t *dst, ptrdiff_t dststride,
1052 uint8_t *_src, ptrdiff_t _srcstride,
1053 int width, int height, int mx, int my,
1054 int16_t* mcbuffer)
1055 {
1056 int x, y;
1057 pixel *src = (pixel *)_src;
1058 ptrdiff_t srcstride = _srcstride / sizeof(pixel);
1059 const int8_t *filter_h = ff_hevc_epel_filters[mx - 1];
1060 const int8_t *filter_v = ff_hevc_epel_filters[my - 1];
1061 int8_t filter_0 = filter_h[0];
1062 int8_t filter_1 = filter_h[1];
1063 int8_t filter_2 = filter_h[2];
1064 int8_t filter_3 = filter_h[3];
1065 int16_t tmp_array[(MAX_PB_SIZE + 3) * MAX_PB_SIZE];
1066 int16_t *tmp = tmp_array;
1067
1068 src -= EPEL_EXTRA_BEFORE * srcstride;
1069
1070 for (y = 0; y < height + EPEL_EXTRA; y++) {
1071 for (x = 0; x < width; x++)
1072 tmp[x] = EPEL_FILTER(src, 1) >> (BIT_DEPTH - 8);
1073 src += srcstride;
1074 tmp += MAX_PB_SIZE;
1075 }
1076
1077 tmp = tmp_array + EPEL_EXTRA_BEFORE * MAX_PB_SIZE;
1078 filter_0 = filter_v[0];
1079 filter_1 = filter_v[1];
1080 filter_2 = filter_v[2];
1081 filter_3 = filter_v[3];
1082 for (y = 0; y < height; y++) {
1083 for (x = 0; x < width; x++)
1084 dst[x] = EPEL_FILTER(tmp, MAX_PB_SIZE) >> 6;
1085 tmp += MAX_PB_SIZE;
1086 dst += dststride;
1087 }
1088 }
1089
1090 static void FUNC(put_unweighted_pred)(uint8_t *_dst, ptrdiff_t _dststride,
1091 int16_t *src, ptrdiff_t srcstride,
1092 int width, int height)
1093 {
1094 int x, y;
1095 pixel *dst = (pixel *)_dst;
1096 ptrdiff_t dststride = _dststride / sizeof(pixel);
1097
1098 int shift = 14 - BIT_DEPTH;
1099 #if BIT_DEPTH < 14
1100 int offset = 1 << (shift - 1);
1101 #else
1102 int offset = 0;
1103 #endif
1104 for (y = 0; y < height; y++) {
1105 for (x = 0; x < width; x++)
1106 dst[x] = av_clip_pixel((src[x] + offset) >> shift);
1107 dst += dststride;
1108 src += srcstride;
1109 }
1110 }
1111
1112 static void FUNC(put_unweighted_pred_avg)(uint8_t *_dst, ptrdiff_t _dststride,
1113 int16_t *src1, int16_t *src2,
1114 ptrdiff_t srcstride,
1115 int width, int height)
1116 {
1117 int x, y;
1118 pixel *dst = (pixel *)_dst;
1119 ptrdiff_t dststride = _dststride / sizeof(pixel);
1120
1121 int shift = 14 + 1 - BIT_DEPTH;
1122 #if BIT_DEPTH < 14
1123 int offset = 1 << (shift - 1);
1124 #else
1125 int offset = 0;
1126 #endif
1127
1128 for (y = 0; y < height; y++) {
1129 for (x = 0; x < width; x++)
1130 dst[x] = av_clip_pixel((src1[x] + src2[x] + offset) >> shift);
1131 dst += dststride;
1132 src1 += srcstride;
1133 src2 += srcstride;
1134 }
1135 }
1136
1137 static void FUNC(weighted_pred)(uint8_t denom, int16_t wlxFlag, int16_t olxFlag,
1138 uint8_t *_dst, ptrdiff_t _dststride,
1139 int16_t *src, ptrdiff_t srcstride,
1140 int width, int height)
1141 {
1142 int shift, log2Wd, wx, ox, x, y, offset;
1143 pixel *dst = (pixel *)_dst;
1144 ptrdiff_t dststride = _dststride / sizeof(pixel);
1145
1146 shift = 14 - BIT_DEPTH;
1147 log2Wd = denom + shift;
1148 offset = 1 << (log2Wd - 1);
1149 wx = wlxFlag;
1150 ox = olxFlag * (1 << (BIT_DEPTH - 8));
1151
1152 for (y = 0; y < height; y++) {
1153 for (x = 0; x < width; x++) {
1154 if (log2Wd >= 1) {
1155 dst[x] = av_clip_pixel(((src[x] * wx + offset) >> log2Wd) + ox);
1156 } else {
1157 dst[x] = av_clip_pixel(src[x] * wx + ox);
1158 }
1159 }
1160 dst += dststride;
1161 src += srcstride;
1162 }
1163 }
1164
1165 static void FUNC(weighted_pred_avg)(uint8_t denom,
1166 int16_t wl0Flag, int16_t wl1Flag,
1167 int16_t ol0Flag, int16_t ol1Flag,
1168 uint8_t *_dst, ptrdiff_t _dststride,
1169 int16_t *src1, int16_t *src2,
1170 ptrdiff_t srcstride,
1171 int width, int height)
1172 {
1173 int shift, log2Wd, w0, w1, o0, o1, x, y;
1174 pixel *dst = (pixel *)_dst;
1175 ptrdiff_t dststride = _dststride / sizeof(pixel);
1176
1177 shift = 14 - BIT_DEPTH;
1178 log2Wd = denom + shift;
1179 w0 = wl0Flag;
1180 w1 = wl1Flag;
1181 o0 = ol0Flag * (1 << (BIT_DEPTH - 8));
1182 o1 = ol1Flag * (1 << (BIT_DEPTH - 8));
1183
1184 for (y = 0; y < height; y++) {
1185 for (x = 0; x < width; x++)
1186 dst[x] = av_clip_pixel((src1[x] * w0 + src2[x] * w1 +
1187 ((o0 + o1 + 1) << log2Wd)) >> (log2Wd + 1));
1188 dst += dststride;
1189 src1 += srcstride;
1190 src2 += srcstride;
1191 }
1192 }
1193
1194 // line zero
1195 #define P3 pix[-4 * xstride]
1196 #define P2 pix[-3 * xstride]
1197 #define P1 pix[-2 * xstride]
1198 #define P0 pix[-1 * xstride]
1199 #define Q0 pix[0 * xstride]
1200 #define Q1 pix[1 * xstride]
1201 #define Q2 pix[2 * xstride]
1202 #define Q3 pix[3 * xstride]
1203
1204 // line three. used only for deblocking decision
1205 #define TP3 pix[-4 * xstride + 3 * ystride]
1206 #define TP2 pix[-3 * xstride + 3 * ystride]
1207 #define TP1 pix[-2 * xstride + 3 * ystride]
1208 #define TP0 pix[-1 * xstride + 3 * ystride]
1209 #define TQ0 pix[0 * xstride + 3 * ystride]
1210 #define TQ1 pix[1 * xstride + 3 * ystride]
1211 #define TQ2 pix[2 * xstride + 3 * ystride]
1212 #define TQ3 pix[3 * xstride + 3 * ystride]
1213
1214 static void FUNC(hevc_loop_filter_luma)(uint8_t *_pix,
1215 ptrdiff_t _xstride, ptrdiff_t _ystride,
1216 int beta, int *_tc,
1217 uint8_t *_no_p, uint8_t *_no_q)
1218 {
1219 int d, j;
1220 pixel *pix = (pixel *)_pix;
1221 ptrdiff_t xstride = _xstride / sizeof(pixel);
1222 ptrdiff_t ystride = _ystride / sizeof(pixel);
1223
1224 beta <<= BIT_DEPTH - 8;
1225
1226 for (j = 0; j < 2; j++) {
1227 const int dp0 = abs(P2 - 2 * P1 + P0);
1228 const int dq0 = abs(Q2 - 2 * Q1 + Q0);
1229 const int dp3 = abs(TP2 - 2 * TP1 + TP0);
1230 const int dq3 = abs(TQ2 - 2 * TQ1 + TQ0);
1231 const int d0 = dp0 + dq0;
1232 const int d3 = dp3 + dq3;
1233 const int tc = _tc[j] << (BIT_DEPTH - 8);
1234 const int no_p = _no_p[j];
1235 const int no_q = _no_q[j];
1236
1237 if (d0 + d3 >= beta) {
1238 pix += 4 * ystride;
1239 continue;
1240 } else {
1241 const int beta_3 = beta >> 3;
1242 const int beta_2 = beta >> 2;
1243 const int tc25 = ((tc * 5 + 1) >> 1);
1244
1245 if (abs(P3 - P0) + abs(Q3 - Q0) < beta_3 && abs(P0 - Q0) < tc25 &&
1246 abs(TP3 - TP0) + abs(TQ3 - TQ0) < beta_3 && abs(TP0 - TQ0) < tc25 &&
1247 (d0 << 1) < beta_2 && (d3 << 1) < beta_2) {
1248 // strong filtering
1249 const int tc2 = tc << 1;
1250 for (d = 0; d < 4; d++) {
1251 const int p3 = P3;
1252 const int p2 = P2;
1253 const int p1 = P1;
1254 const int p0 = P0;
1255 const int q0 = Q0;
1256 const int q1 = Q1;
1257 const int q2 = Q2;
1258 const int q3 = Q3;
1259 if (!no_p) {
1260 P0 = p0 + av_clip(((p2 + 2 * p1 + 2 * p0 + 2 * q0 + q1 + 4) >> 3) - p0, -tc2, tc2);
1261 P1 = p1 + av_clip(((p2 + p1 + p0 + q0 + 2) >> 2) - p1, -tc2, tc2);
1262 P2 = p2 + av_clip(((2 * p3 + 3 * p2 + p1 + p0 + q0 + 4) >> 3) - p2, -tc2, tc2);
1263 }
1264 if (!no_q) {
1265 Q0 = q0 + av_clip(((p1 + 2 * p0 + 2 * q0 + 2 * q1 + q2 + 4) >> 3) - q0, -tc2, tc2);
1266 Q1 = q1 + av_clip(((p0 + q0 + q1 + q2 + 2) >> 2) - q1, -tc2, tc2);
1267 Q2 = q2 + av_clip(((2 * q3 + 3 * q2 + q1 + q0 + p0 + 4) >> 3) - q2, -tc2, tc2);
1268 }
1269 pix += ystride;
1270 }
1271 } else { // normal filtering
1272 int nd_p = 1;
1273 int nd_q = 1;
1274 const int tc_2 = tc >> 1;
1275 if (dp0 + dp3 < ((beta + (beta >> 1)) >> 3))
1276 nd_p = 2;
1277 if (dq0 + dq3 < ((beta + (beta >> 1)) >> 3))
1278 nd_q = 2;
1279
1280 for (d = 0; d < 4; d++) {
1281 const int p2 = P2;
1282 const int p1 = P1;
1283 const int p0 = P0;
1284 const int q0 = Q0;
1285 const int q1 = Q1;
1286 const int q2 = Q2;
1287 int delta0 = (9 * (q0 - p0) - 3 * (q1 - p1) + 8) >> 4;
1288 if (abs(delta0) < 10 * tc) {
1289 delta0 = av_clip(delta0, -tc, tc);
1290 if (!no_p)
1291 P0 = av_clip_pixel(p0 + delta0);
1292 if (!no_q)
1293 Q0 = av_clip_pixel(q0 - delta0);
1294 if (!no_p && nd_p > 1) {
1295 const int deltap1 = av_clip((((p2 + p0 + 1) >> 1) - p1 + delta0) >> 1, -tc_2, tc_2);
1296 P1 = av_clip_pixel(p1 + deltap1);
1297 }
1298 if (!no_q && nd_q > 1) {
1299 const int deltaq1 = av_clip((((q2 + q0 + 1) >> 1) - q1 - delta0) >> 1, -tc_2, tc_2);
1300 Q1 = av_clip_pixel(q1 + deltaq1);
1301 }
1302 }
1303 pix += ystride;
1304 }
1305 }
1306 }
1307 }
1308 }
1309
1310 static void FUNC(hevc_loop_filter_chroma)(uint8_t *_pix, ptrdiff_t _xstride,
1311 ptrdiff_t _ystride, int *_tc,
1312 uint8_t *_no_p, uint8_t *_no_q)
1313 {
1314 int d, j, no_p, no_q;
1315 pixel *pix = (pixel *)_pix;
1316 ptrdiff_t xstride = _xstride / sizeof(pixel);
1317 ptrdiff_t ystride = _ystride / sizeof(pixel);
1318
1319 for (j = 0; j < 2; j++) {
1320 const int tc = _tc[j] << (BIT_DEPTH - 8);
1321 if (tc <= 0) {
1322 pix += 4 * ystride;
1323 continue;
1324 }
1325 no_p = _no_p[j];
1326 no_q = _no_q[j];
1327
1328 for (d = 0; d < 4; d++) {
1329 int delta0;
1330 const int p1 = P1;
1331 const int p0 = P0;
1332 const int q0 = Q0;
1333 const int q1 = Q1;
1334 delta0 = av_clip((((q0 - p0) * 4) + p1 - q1 + 4) >> 3, -tc, tc);
1335 if (!no_p)
1336 P0 = av_clip_pixel(p0 + delta0);
1337 if (!no_q)
1338 Q0 = av_clip_pixel(q0 - delta0);
1339 pix += ystride;
1340 }
1341 }
1342 }
1343
1344 static void FUNC(hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
1345 int *tc, uint8_t *no_p,
1346 uint8_t *no_q)
1347 {
1348 FUNC(hevc_loop_filter_chroma)(pix, stride, sizeof(pixel), tc, no_p, no_q);
1349 }
1350
1351 static void FUNC(hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
1352 int *tc, uint8_t *no_p,
1353 uint8_t *no_q)
1354 {
1355 FUNC(hevc_loop_filter_chroma)(pix, sizeof(pixel), stride, tc, no_p, no_q);
1356 }
1357
1358 static void FUNC(hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
1359 int beta, int *tc, uint8_t *no_p,
1360 uint8_t *no_q)
1361 {
1362 FUNC(hevc_loop_filter_luma)(pix, stride, sizeof(pixel),
1363 beta, tc, no_p, no_q);
1364 }
1365
1366 static void FUNC(hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
1367 int beta, int *tc, uint8_t *no_p,
1368 uint8_t *no_q)
1369 {
1370 FUNC(hevc_loop_filter_luma)(pix, sizeof(pixel), stride,
1371 beta, tc, no_p, no_q);
1372 }
1373
1374 #undef P3
1375 #undef P2
1376 #undef P1
1377 #undef P0
1378 #undef Q0
1379 #undef Q1
1380 #undef Q2
1381 #undef Q3
1382
1383 #undef TP3
1384 #undef TP2
1385 #undef TP1
1386 #undef TP0
1387 #undef TQ0
1388 #undef TQ1
1389 #undef TQ2
1390 #undef TQ3