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vout: ensure expired subpictures are really deleted
[vlc.git] / modules / video_chroma / copy.c
blobb0cf4a104241ee52dfdc2ea4383089dfcb85c39e
1 /*****************************************************************************
2 * copy.c: Fast YV12/NV12 copy
3 *****************************************************************************
4 * Copyright (C) 2010 Laurent Aimar
5 * $Id$
6 *
7 * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
8 * Victorien Le Couviour--Tuffet <victorien.lecouviour.tuffet@gmail.com>
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
24
25 #ifdef HAVE_CONFIG_H
26 # include "config.h"
27 #endif
28
29 #ifdef COPY_TEST
30 # undef NDEBUG
31 #endif
32
33 #include <vlc_common.h>
34 #include <vlc_picture.h>
35 #include <vlc_cpu.h>
36 #include <assert.h>
37
38 #include "copy.h"
39 static void CopyPlane(uint8_t *dst, size_t dst_pitch,
40 const uint8_t *src, size_t src_pitch,
41 unsigned height, int bitshift);
42
43 #define ASSERT_PLANE(i) assert(src[i]); \
44 assert(src_pitch[i])
45
46 #define ASSERT_2PLANES \
47 assert(dst); \
48 ASSERT_PLANE(0); \
49 ASSERT_PLANE(1); \
50 assert(height)
51
52 #define ASSERT_3PLANES ASSERT_2PLANES; \
53 ASSERT_PLANE(2)
54
55 int CopyInitCache(copy_cache_t *cache, unsigned width)
56 {
57 #ifdef CAN_COMPILE_SSE2
58 cache->size = __MAX((width + 0x3f) & ~ 0x3f, 16384);
59 cache->buffer = aligned_alloc(64, cache->size);
60 if (!cache->buffer)
61 return VLC_EGENERIC;
62 #else
63 (void) cache; (void) width;
64 #endif
65 return VLC_SUCCESS;
66 }
67
68 void CopyCleanCache(copy_cache_t *cache)
69 {
70 #ifdef CAN_COMPILE_SSE2
71 aligned_free(cache->buffer);
72 cache->buffer = NULL;
73 cache->size = 0;
74 #else
75 (void) cache;
76 #endif
77 }
78
79 #ifdef CAN_COMPILE_SSE2
80 /* Copy 16/64 bytes from srcp to dstp loading data with the SSE>=2 instruction
81 * load and storing data with the SSE>=2 instruction store.
82 */
83
84 #define COPY16_SHIFTR(x) \
85 "psrlw "x", %%xmm1\n"
86 #define COPY16_SHIFTL(x) \
87 "psllw "x", %%xmm1\n"
88
89 #define COPY16_S(dstp, srcp, load, store, shiftstr) \
90 asm volatile ( \
91 load " 0(%[src]), %%xmm1\n" \
92 shiftstr \
93 store " %%xmm1, 0(%[dst])\n" \
94 : : [dst]"r"(dstp), [src]"r"(srcp) : "memory", "xmm1")
95
96 #define COPY16(dstp, srcp, load, store) COPY16_S(dstp, srcp, load, store, "")
97
98 #define COPY64_SHIFTR(x) \
99 "psrlw "x", %%xmm1\n" \
100 "psrlw "x", %%xmm2\n" \
101 "psrlw "x", %%xmm3\n" \
102 "psrlw "x", %%xmm4\n"
103 #define COPY64_SHIFTL(x) \
104 "psllw "x", %%xmm1\n" \
105 "psllw "x", %%xmm2\n" \
106 "psllw "x", %%xmm3\n" \
107 "psllw "x", %%xmm4\n"
108
109 #define COPY64_S(dstp, srcp, load, store, shiftstr) \
110 asm volatile ( \
111 load " 0(%[src]), %%xmm1\n" \
112 load " 16(%[src]), %%xmm2\n" \
113 load " 32(%[src]), %%xmm3\n" \
114 load " 48(%[src]), %%xmm4\n" \
115 shiftstr \
116 store " %%xmm1, 0(%[dst])\n" \
117 store " %%xmm2, 16(%[dst])\n" \
118 store " %%xmm3, 32(%[dst])\n" \
119 store " %%xmm4, 48(%[dst])\n" \
120 : : [dst]"r"(dstp), [src]"r"(srcp) : "memory", "xmm1", "xmm2", "xmm3", "xmm4")
121
122 #define COPY64(dstp, srcp, load, store) \
123 COPY64_S(dstp, srcp, load, store, "")
124
125 #ifdef COPY_TEST_NOOPTIM
126 # undef vlc_CPU_SSE4_1
127 # define vlc_CPU_SSE4_1() (0)
128 # undef vlc_CPU_SSE3
129 # define vlc_CPU_SSE3() (0)
130 # undef vlc_CPU_SSSE3
131 # define vlc_CPU_SSSE3() (0)
132 # undef vlc_CPU_SSE2
133 # define vlc_CPU_SSE2() (0)
134 #endif
135
136 /* Optimized copy from "Uncacheable Speculative Write Combining" memory
137 * as used by some video surface.
138 * XXX It is really efficient only when SSE4.1 is available.
139 */
140 VLC_SSE
141 static void CopyFromUswc(uint8_t *dst, size_t dst_pitch,
142 const uint8_t *src, size_t src_pitch,
143 unsigned width, unsigned height, int bitshift)
144 {
145 assert(((intptr_t)dst & 0x0f) == 0 && (dst_pitch & 0x0f) == 0);
146
147 asm volatile ("mfence");
148
149 #define SSE_USWC_COPY(shiftstr16, shiftstr64) \
150 for (unsigned y = 0; y < height; y++) { \
151 const unsigned unaligned = (-(uintptr_t)src) & 0x0f; \
152 unsigned x = unaligned; \
153 if (vlc_CPU_SSE4_1()) { \
154 if (!unaligned) { \
155 for (; x+63 < width; x += 64) \
156 COPY64_S(&dst[x], &src[x], "movntdqa", "movdqa", shiftstr64); \
157 } else { \
158 COPY16_S(dst, src, "movdqu", "movdqa", shiftstr16); \
159 for (; x+63 < width; x += 64) \
160 COPY64_S(&dst[x], &src[x], "movntdqa", "movdqu", shiftstr64); \
161 } \
162 } else { \
163 if (!unaligned) { \
164 for (; x+63 < width; x += 64) \
165 COPY64_S(&dst[x], &src[x], "movdqa", "movdqa", shiftstr64); \
166 } else { \
167 COPY16_S(dst, src, "movdqu", "movdqa", shiftstr16); \
168 for (; x+63 < width; x += 64) \
169 COPY64_S(&dst[x], &src[x], "movdqa", "movdqu", shiftstr64); \
170 } \
171 } \
172 /* The following should not happen since buffers are generally well aligned */ \
173 if (x < width) \
174 CopyPlane(&dst[x], dst_pitch - x, &src[x], src_pitch - x, 1, bitshift); \
175 src += src_pitch; \
176 dst += dst_pitch; \
177 }
178
179 switch (bitshift)
180 {
181 case 0:
182 SSE_USWC_COPY("", "")
183 break;
184 case -6:
185 SSE_USWC_COPY(COPY16_SHIFTL("$6"), COPY64_SHIFTL("$6"))
186 break;
187 case 6:
188 SSE_USWC_COPY(COPY16_SHIFTR("$6"), COPY64_SHIFTR("$6"))
189 break;
190 case 2:
191 SSE_USWC_COPY(COPY16_SHIFTR("$2"), COPY64_SHIFTR("$2"))
192 break;
193 case -2:
194 SSE_USWC_COPY(COPY16_SHIFTL("$2"), COPY64_SHIFTL("$2"))
195 break;
196 case 4:
197 SSE_USWC_COPY(COPY16_SHIFTR("$4"), COPY64_SHIFTR("$4"))
198 break;
199 case -4:
200 SSE_USWC_COPY(COPY16_SHIFTL("$2"), COPY64_SHIFTL("$2"))
201 break;
202 default:
203 vlc_assert_unreachable();
204 }
205 #undef SSE_USWC_COPY
206
207 asm volatile ("mfence");
208 }
209
210 VLC_SSE
211 static void Copy2d(uint8_t *dst, size_t dst_pitch,
212 const uint8_t *src, size_t src_pitch,
213 unsigned width, unsigned height)
214 {
215 assert(((intptr_t)src & 0x0f) == 0 && (src_pitch & 0x0f) == 0);
216
217 for (unsigned y = 0; y < height; y++) {
218 unsigned x = 0;
219
220 bool unaligned = ((intptr_t)dst & 0x0f) != 0;
221 if (!unaligned) {
222 for (; x+63 < width; x += 64)
223 COPY64(&dst[x], &src[x], "movdqa", "movntdq");
224 } else {
225 for (; x+63 < width; x += 64)
226 COPY64(&dst[x], &src[x], "movdqa", "movdqu");
227 }
228
229 for (; x < width; x++)
230 dst[x] = src[x];
231
232 src += src_pitch;
233 dst += dst_pitch;
234 }
235 }
236
237 VLC_SSE
238 static void
239 SSE_InterleaveUV(uint8_t *dst, size_t dst_pitch,
240 uint8_t *srcu, size_t srcu_pitch,
241 uint8_t *srcv, size_t srcv_pitch,
242 unsigned int width, unsigned int height, uint8_t pixel_size)
243 {
244 assert(!((intptr_t)srcu & 0xf) && !(srcu_pitch & 0x0f) &&
245 !((intptr_t)srcv & 0xf) && !(srcv_pitch & 0x0f));
246
247 static const uint8_t shuffle_8[] = { 0, 8,
248 1, 9,
249 2, 10,
250 3, 11,
251 4, 12,
252 5, 13,
253 6, 14,
254 7, 15 };
255 static const uint8_t shuffle_16[] = { 0, 1, 8, 9,
256 2, 3, 10, 11,
257 4, 5, 12, 13,
258 6, 7, 14, 15 };
259 const uint8_t *shuffle = pixel_size == 1 ? shuffle_8 : shuffle_16;
260
261 for (unsigned int y = 0; y < height; ++y)
262 {
263 unsigned int x;
264
265 #define LOAD2X32 \
266 "movhpd 0x00(%[src2]), %%xmm0\n" \
267 "movlpd 0x00(%[src1]), %%xmm0\n" \
268 \
269 "movhpd 0x08(%[src2]), %%xmm1\n" \
270 "movlpd 0x08(%[src1]), %%xmm1\n" \
271 \
272 "movhpd 0x10(%[src2]), %%xmm2\n" \
273 "movlpd 0x10(%[src1]), %%xmm2\n" \
274 \
275 "movhpd 0x18(%[src2]), %%xmm3\n" \
276 "movlpd 0x18(%[src1]), %%xmm3\n"
277
278 #define STORE64 \
279 "movdqu %%xmm0, 0x00(%[dst])\n" \
280 "movdqu %%xmm1, 0x10(%[dst])\n" \
281 "movdqu %%xmm2, 0x20(%[dst])\n" \
282 "movdqu %%xmm3, 0x30(%[dst])\n"
283
284 #ifdef CAN_COMPILE_SSSE3
285 if (vlc_CPU_SSSE3())
286 for (x = 0; x < (width & ~31); x += 32)
287 asm volatile
288 (
289 "movdqu (%[shuffle]), %%xmm7\n"
290 LOAD2X32
291 "pshufb %%xmm7, %%xmm0\n"
292 "pshufb %%xmm7, %%xmm1\n"
293 "pshufb %%xmm7, %%xmm2\n"
294 "pshufb %%xmm7, %%xmm3\n"
295 STORE64
296 : : [dst]"r"(dst+2*x),
297 [src1]"r"(srcu+x), [src2]"r"(srcv+x),
298 [shuffle]"r"(shuffle)
299 : "memory", "xmm0", "xmm1", "xmm2", "xmm3", "xmm7"
300 );
301 else
302 #endif
303
304 {
305 assert(pixel_size == 1);
306 for (x = 0; x < (width & ~31); x += 32)
307 asm volatile
308 (
309 LOAD2X32
310 "movhlps %%xmm0, %%xmm4\n"
311 "punpcklbw %%xmm4, %%xmm0\n"
312
313 "movhlps %%xmm1, %%xmm4\n"
314 "punpcklbw %%xmm4, %%xmm1\n"
315
316 "movhlps %%xmm2, %%xmm4\n"
317 "punpcklbw %%xmm4, %%xmm2\n"
318
319 "movhlps %%xmm3, %%xmm4\n"
320 "punpcklbw %%xmm4, %%xmm3\n"
321 STORE64
322 : : [dst]"r"(dst+2*x),
323 [src1]"r"(srcu+x), [src2]"r"(srcv+x)
324 : "memory",
325 "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm7"
326 );
327 }
328 #undef LOAD2X32
329 #undef STORE64
330
331 if (pixel_size == 1)
332 {
333 for (; x < width; x++) {
334 dst[2*x+0] = srcu[x];
335 dst[2*x+1] = srcv[x];
336 }
337 }
338 else
339 {
340 for (; x < width; x+= 2) {
341 dst[2*x+0] = srcu[x];
342 dst[2*x+1] = srcu[x + 1];
343 dst[2*x+2] = srcv[x];
344 dst[2*x+3] = srcv[x + 1];
345 }
346 }
347 srcu += srcu_pitch;
348 srcv += srcv_pitch;
349 dst += dst_pitch;
350 }
351 }
352
353 VLC_SSE
354 static void SSE_SplitUV(uint8_t *dstu, size_t dstu_pitch,
355 uint8_t *dstv, size_t dstv_pitch,
356 const uint8_t *src, size_t src_pitch,
357 unsigned width, unsigned height, uint8_t pixel_size)
358 {
359 assert(pixel_size == 1 || pixel_size == 2);
360 assert(((intptr_t)src & 0xf) == 0 && (src_pitch & 0x0f) == 0);
361
362 #define LOAD64 \
363 "movdqa 0(%[src]), %%xmm0\n" \
364 "movdqa 16(%[src]), %%xmm1\n" \
365 "movdqa 32(%[src]), %%xmm2\n" \
366 "movdqa 48(%[src]), %%xmm3\n"
367
368 #define STORE2X32 \
369 "movq %%xmm0, 0(%[dst1])\n" \
370 "movq %%xmm1, 8(%[dst1])\n" \
371 "movhpd %%xmm0, 0(%[dst2])\n" \
372 "movhpd %%xmm1, 8(%[dst2])\n" \
373 "movq %%xmm2, 16(%[dst1])\n" \
374 "movq %%xmm3, 24(%[dst1])\n" \
375 "movhpd %%xmm2, 16(%[dst2])\n" \
376 "movhpd %%xmm3, 24(%[dst2])\n"
377
378 #ifdef CAN_COMPILE_SSSE3
379 if (vlc_CPU_SSSE3())
380 {
381 static const uint8_t shuffle_8[] = { 0, 2, 4, 6, 8, 10, 12, 14,
382 1, 3, 5, 7, 9, 11, 13, 15 };
383 static const uint8_t shuffle_16[] = { 0, 1, 4, 5, 8, 9, 12, 13,
384 2, 3, 6, 7, 10, 11, 14, 15 };
385 const uint8_t *shuffle = pixel_size == 1 ? shuffle_8 : shuffle_16;
386 for (unsigned y = 0; y < height; y++) {
387 unsigned x = 0;
388 for (; x < (width & ~31); x += 32) {
389 asm volatile (
390 "movdqu (%[shuffle]), %%xmm7\n"
391 LOAD64
392 "pshufb %%xmm7, %%xmm0\n"
393 "pshufb %%xmm7, %%xmm1\n"
394 "pshufb %%xmm7, %%xmm2\n"
395 "pshufb %%xmm7, %%xmm3\n"
396 STORE2X32
397 : : [dst1]"r"(&dstu[x]), [dst2]"r"(&dstv[x]), [src]"r"(&src[2*x]), [shuffle]"r"(shuffle) : "memory", "xmm0", "xmm1", "xmm2", "xmm3", "xmm7");
398 }
399 if (pixel_size == 1)
400 {
401 for (; x < width; x++) {
402 dstu[x] = src[2*x+0];
403 dstv[x] = src[2*x+1];
404 }
405 }
406 else
407 {
408 for (; x < width; x+= 2) {
409 dstu[x] = src[2*x+0];
410 dstu[x+1] = src[2*x+1];
411 dstv[x] = src[2*x+2];
412 dstv[x+1] = src[2*x+3];
413 }
414 }
415 src += src_pitch;
416 dstu += dstu_pitch;
417 dstv += dstv_pitch;
418 }
419 } else
420 #endif
421 {
422 assert(pixel_size == 1);
423 static const uint8_t mask[] = { 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
424 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00 };
425
426 for (unsigned y = 0; y < height; y++)
427 {
428 unsigned x = 0;
429 for (; x < (width & ~31); x += 32) {
430 asm volatile (
431 "movdqu (%[mask]), %%xmm7\n"
432 LOAD64
433 "movdqa %%xmm0, %%xmm4\n"
434 "movdqa %%xmm1, %%xmm5\n"
435 "movdqa %%xmm2, %%xmm6\n"
436 "psrlw $8, %%xmm0\n"
437 "psrlw $8, %%xmm1\n"
438 "pand %%xmm7, %%xmm4\n"
439 "pand %%xmm7, %%xmm5\n"
440 "pand %%xmm7, %%xmm6\n"
441 "packuswb %%xmm4, %%xmm0\n"
442 "packuswb %%xmm5, %%xmm1\n"
443 "pand %%xmm3, %%xmm7\n"
444 "psrlw $8, %%xmm2\n"
445 "psrlw $8, %%xmm3\n"
446 "packuswb %%xmm6, %%xmm2\n"
447 "packuswb %%xmm7, %%xmm3\n"
448 STORE2X32
449 : : [dst2]"r"(&dstu[x]), [dst1]"r"(&dstv[x]), [src]"r"(&src[2*x]), [mask]"r"(mask) : "memory", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
450 }
451 for (; x < width; x++) {
452 dstu[x] = src[2*x+0];
453 dstv[x] = src[2*x+1];
454 }
455 src += src_pitch;
456 dstu += dstu_pitch;
457 dstv += dstv_pitch;
458 }
459 }
460 #undef STORE2X32
461 #undef LOAD64
462 }
463
464 static void SSE_CopyPlane(uint8_t *dst, size_t dst_pitch,
465 const uint8_t *src, size_t src_pitch,
466 uint8_t *cache, size_t cache_size,
467 unsigned height, int bitshift)
468 {
469 const size_t copy_pitch = __MIN(src_pitch, dst_pitch);
470 const unsigned w16 = (copy_pitch+15) & ~15;
471 const unsigned hstep = cache_size / w16;
472 const unsigned cache_width = __MIN(src_pitch, hstep);
473 assert(hstep > 0);
474
475 /* If SSE4.1: CopyFromUswc is faster than memcpy */
476 if (!vlc_CPU_SSE4_1() && bitshift == 0 && src_pitch == dst_pitch)
477 memcpy(dst, src, copy_pitch * height);
478 else
479 for (unsigned y = 0; y < height; y += hstep) {
480 const unsigned hblock = __MIN(hstep, height - y);
481
482 /* Copy a bunch of line into our cache */
483 CopyFromUswc(cache, w16, src, src_pitch, cache_width, hblock, bitshift);
484
485 /* Copy from our cache to the destination */
486 Copy2d(dst, dst_pitch, cache, w16, copy_pitch, hblock);
487
488 /* */
489 src += src_pitch * hblock;
490 dst += dst_pitch * hblock;
491 }
492 }
493
494 static void
495 SSE_InterleavePlanes(uint8_t *dst, size_t dst_pitch,
496 const uint8_t *srcu, size_t srcu_pitch,
497 const uint8_t *srcv, size_t srcv_pitch,
498 uint8_t *cache, size_t cache_size,
499 unsigned int height, uint8_t pixel_size, int bitshift)
500 {
501 assert(srcu_pitch == srcv_pitch);
502 size_t copy_pitch = __MIN(dst_pitch / 2, srcu_pitch);
503 unsigned int const w16 = (srcu_pitch+15) & ~15;
504 unsigned int const hstep = (cache_size) / (2*w16);
505 const unsigned cacheu_width = __MIN(srcu_pitch, hstep);
506 const unsigned cachev_width = __MIN(srcv_pitch, hstep);
507 assert(hstep > 0);
508
509 for (unsigned int y = 0; y < height; y += hstep)
510 {
511 unsigned int const hblock = __MIN(hstep, height - y);
512
513 /* Copy a bunch of line into our cache */
514 CopyFromUswc(cache, w16, srcu, srcu_pitch, cacheu_width, hblock, bitshift);
515 CopyFromUswc(cache+w16*hblock, w16, srcv, srcv_pitch,
516 cachev_width, hblock, bitshift);
517
518 /* Copy from our cache to the destination */
519 SSE_InterleaveUV(dst, dst_pitch, cache, w16,
520 cache + w16 * hblock, w16,
521 copy_pitch, hblock, pixel_size);
522
523 /* */
524 srcu += hblock * srcu_pitch;
525 srcv += hblock * srcv_pitch;
526 dst += hblock * dst_pitch;
527 }
528 }
529
530 static void SSE_SplitPlanes(uint8_t *dstu, size_t dstu_pitch,
531 uint8_t *dstv, size_t dstv_pitch,
532 const uint8_t *src, size_t src_pitch,
533 uint8_t *cache, size_t cache_size,
534 unsigned height, uint8_t pixel_size, int bitshift)
535 {
536 size_t copy_pitch = __MIN(__MIN(src_pitch / 2, dstu_pitch), dstv_pitch);
537 const unsigned w16 = (src_pitch+15) & ~15;
538 const unsigned hstep = cache_size / w16;
539 const unsigned cache_width = __MIN(src_pitch, hstep);
540 assert(hstep > 0);
541
542 for (unsigned y = 0; y < height; y += hstep) {
543 const unsigned hblock = __MIN(hstep, height - y);
544
545 /* Copy a bunch of line into our cache */
546 CopyFromUswc(cache, w16, src, src_pitch, cache_width, hblock, bitshift);
547
548 /* Copy from our cache to the destination */
549 SSE_SplitUV(dstu, dstu_pitch, dstv, dstv_pitch,
550 cache, w16, copy_pitch, hblock, pixel_size);
551
552 /* */
553 src += src_pitch * hblock;
554 dstu += dstu_pitch * hblock;
555 dstv += dstv_pitch * hblock;
556 }
557 }
558
559 static void SSE_Copy420_P_to_P(picture_t *dst, const uint8_t *src[static 3],
560 const size_t src_pitch[static 3], unsigned height,
561 const copy_cache_t *cache)
562 {
563 for (unsigned n = 0; n < 3; n++) {
564 const unsigned d = n > 0 ? 2 : 1;
565 SSE_CopyPlane(dst->p[n].p_pixels, dst->p[n].i_pitch,
566 src[n], src_pitch[n],
567 cache->buffer, cache->size,
568 (height+d-1)/d, 0);
569 }
570 asm volatile ("emms");
571 }
572
573
574 static void SSE_Copy420_SP_to_SP(picture_t *dst, const uint8_t *src[static 2],
575 const size_t src_pitch[static 2], unsigned height,
576 const copy_cache_t *cache)
577 {
578 SSE_CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch, src[0], src_pitch[0],
579 cache->buffer, cache->size, height, 0);
580 SSE_CopyPlane(dst->p[1].p_pixels, dst->p[1].i_pitch, src[1], src_pitch[1],
581 cache->buffer, cache->size, (height+1) / 2, 0);
582 asm volatile ("emms");
583 }
584
585 static void
586 SSE_Copy420_SP_to_P(picture_t *dest, const uint8_t *src[static 2],
587 const size_t src_pitch[static 2], unsigned int height,
588 uint8_t pixel_size, int bitshift, const copy_cache_t *cache)
589 {
590 SSE_CopyPlane(dest->p[0].p_pixels, dest->p[0].i_pitch,
591 src[0], src_pitch[0], cache->buffer, cache->size, height, bitshift);
592
593 SSE_SplitPlanes(dest->p[1].p_pixels, dest->p[1].i_pitch,
594 dest->p[2].p_pixels, dest->p[2].i_pitch,
595 src[1], src_pitch[1], cache->buffer, cache->size,
596 (height+1) / 2, pixel_size, bitshift);
597 asm volatile ("emms");
598 }
599
600 static void SSE_Copy420_P_to_SP(picture_t *dst, const uint8_t *src[static 3],
601 const size_t src_pitch[static 3],
602 unsigned height, uint8_t pixel_size,
603 int bitshift, const copy_cache_t *cache)
604 {
605 SSE_CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch, src[0], src_pitch[0],
606 cache->buffer, cache->size, height, bitshift);
607 SSE_InterleavePlanes(dst->p[1].p_pixels, dst->p[1].i_pitch,
608 src[U_PLANE], src_pitch[U_PLANE],
609 src[V_PLANE], src_pitch[V_PLANE],
610 cache->buffer, cache->size, (height+1) / 2, pixel_size, bitshift);
611 asm volatile ("emms");
612 }
613 #undef COPY64
614 #endif /* CAN_COMPILE_SSE2 */
615
616 static void CopyPlane(uint8_t *dst, size_t dst_pitch,
617 const uint8_t *src, size_t src_pitch,
618 unsigned height, int bitshift)
619 {
620 const size_t copy_pitch = __MIN(src_pitch, dst_pitch);
621 if (bitshift != 0)
622 {
623 for (unsigned y = 0; y < height; y++)
624 {
625 uint16_t *dst16 = (uint16_t *) dst;
626 const uint16_t *src16 = (const uint16_t *) src;
627
628 if (bitshift > 0)
629 for (unsigned x = 0; x < (copy_pitch / 2); x++)
630 *dst16++ = (*src16++) >> (bitshift & 0xf);
631 else
632 for (unsigned x = 0; x < (copy_pitch / 2); x++)
633 *dst16++ = (*src16++) << ((-bitshift) & 0xf);
634 src += src_pitch;
635 dst += dst_pitch;
636 }
637 }
638 else if (src_pitch == dst_pitch)
639 memcpy(dst, src, copy_pitch * height);
640 else
641 for (unsigned y = 0; y < height; y++) {
642 memcpy(dst, src, copy_pitch);
643 src += src_pitch;
644 dst += dst_pitch;
645 }
646 }
647
648 void CopyPacked(picture_t *dst, const uint8_t *src, const size_t src_pitch,
649 unsigned height, const copy_cache_t *cache)
650 {
651 assert(dst);
652 assert(src); assert(src_pitch);
653 assert(height);
654
655 #ifdef CAN_COMPILE_SSE2
656 if (vlc_CPU_SSE4_1())
657 return SSE_CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch, src, src_pitch,
658 cache->buffer, cache->size, height, 0);
659 #else
660 (void) cache;
661 #endif
662 CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch, src, src_pitch,
663 height, 0);
664 }
665
666 void Copy420_SP_to_SP(picture_t *dst, const uint8_t *src[static 2],
667 const size_t src_pitch[static 2], unsigned height,
668 const copy_cache_t *cache)
669 {
670 ASSERT_2PLANES;
671 #ifdef CAN_COMPILE_SSE2
672 if (vlc_CPU_SSE2())
673 return SSE_Copy420_SP_to_SP(dst, src, src_pitch, height, cache);
674 #else
675 (void) cache;
676 #endif
677
678 CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
679 src[0], src_pitch[0], height, 0);
680 CopyPlane(dst->p[1].p_pixels, dst->p[1].i_pitch,
681 src[1], src_pitch[1], (height+1)/2, 0);
682 }
683
684 #define SPLIT_PLANES(type, pitch_den) do { \
685 size_t copy_pitch = __MIN(__MIN(src_pitch / pitch_den, dstu_pitch), dstv_pitch); \
686 for (unsigned y = 0; y < height; y++) { \
687 for (unsigned x = 0; x < copy_pitch; x++) { \
688 ((type *) dstu)[x] = ((const type *) src)[2*x+0]; \
689 ((type *) dstv)[x] = ((const type *) src)[2*x+1]; \
690 } \
691 src += src_pitch; \
692 dstu += dstu_pitch; \
693 dstv += dstv_pitch; \
694 } \
695 } while(0)
696
697 #define SPLIT_PLANES_SHIFTR(type, pitch_den, bitshift) do { \
698 size_t copy_pitch = __MIN(__MIN(src_pitch / pitch_den, dstu_pitch), dstv_pitch); \
699 for (unsigned y = 0; y < height; y++) { \
700 for (unsigned x = 0; x < copy_pitch; x++) { \
701 ((type *) dstu)[x] = (((const type *) src)[2*x+0]) >> (bitshift); \
702 ((type *) dstv)[x] = (((const type *) src)[2*x+1]) >> (bitshift); \
703 } \
704 src += src_pitch; \
705 dstu += dstu_pitch; \
706 dstv += dstv_pitch; \
707 } \
708 } while(0)
709
710 #define SPLIT_PLANES_SHIFTL(type, pitch_den, bitshift) do { \
711 size_t copy_pitch = __MIN(__MIN(src_pitch / pitch_den, dstu_pitch), dstv_pitch); \
712 for (unsigned y = 0; y < height; y++) { \
713 for (unsigned x = 0; x < copy_pitch; x++) { \
714 ((type *) dstu)[x] = (((const type *) src)[2*x+0]) << (bitshift); \
715 ((type *) dstv)[x] = (((const type *) src)[2*x+1]) << (bitshift); \
716 } \
717 src += src_pitch; \
718 dstu += dstu_pitch; \
719 dstv += dstv_pitch; \
720 } \
721 } while(0)
722
723 static void SplitPlanes(uint8_t *dstu, size_t dstu_pitch,
724 uint8_t *dstv, size_t dstv_pitch,
725 const uint8_t *src, size_t src_pitch, unsigned height)
726 {
727 SPLIT_PLANES(uint8_t, 2);
728 }
729
730 static void SplitPlanes16(uint8_t *dstu, size_t dstu_pitch,
731 uint8_t *dstv, size_t dstv_pitch,
732 const uint8_t *src, size_t src_pitch, unsigned height,
733 int bitshift)
734 {
735 if (bitshift == 0)
736 SPLIT_PLANES(uint16_t, 4);
737 else if (bitshift > 0)
738 SPLIT_PLANES_SHIFTR(uint16_t, 4, bitshift & 0xf);
739 else
740 SPLIT_PLANES_SHIFTL(uint16_t, 4, (-bitshift) & 0xf);
741 }
742
743 void Copy420_SP_to_P(picture_t *dst, const uint8_t *src[static 2],
744 const size_t src_pitch[static 2], unsigned height,
745 const copy_cache_t *cache)
746 {
747 ASSERT_2PLANES;
748 #ifdef CAN_COMPILE_SSE2
749 if (vlc_CPU_SSE2())
750 return SSE_Copy420_SP_to_P(dst, src, src_pitch, height, 1, 0, cache);
751 #else
752 VLC_UNUSED(cache);
753 #endif
754
755 CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
756 src[0], src_pitch[0], height, 0);
757 SplitPlanes(dst->p[1].p_pixels, dst->p[1].i_pitch,
758 dst->p[2].p_pixels, dst->p[2].i_pitch,
759 src[1], src_pitch[1], (height+1)/2);
760 }
761
762 void Copy420_16_SP_to_P(picture_t *dst, const uint8_t *src[static 2],
763 const size_t src_pitch[static 2], unsigned height,
764 int bitshift, const copy_cache_t *cache)
765 {
766 ASSERT_2PLANES;
767 assert(bitshift >= -6 && bitshift <= 6 && (bitshift % 2 == 0));
768
769 #ifdef CAN_COMPILE_SSE3
770 if (vlc_CPU_SSSE3())
771 return SSE_Copy420_SP_to_P(dst, src, src_pitch, height, 2, bitshift, cache);
772 #else
773 VLC_UNUSED(cache);
774 #endif
775
776 CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
777 src[0], src_pitch[0], height, bitshift);
778 SplitPlanes16(dst->p[1].p_pixels, dst->p[1].i_pitch,
779 dst->p[2].p_pixels, dst->p[2].i_pitch,
780 src[1], src_pitch[1], (height+1)/2, bitshift);
781 }
782
783 #define INTERLEAVE_UV() do { \
784 for ( unsigned int line = 0; line < copy_lines; line++ ) { \
785 for ( unsigned int col = 0; col < copy_pitch; col++ ) { \
786 *dstUV++ = *srcU++; \
787 *dstUV++ = *srcV++; \
788 } \
789 dstUV += i_extra_pitch_uv; \
790 srcU += i_extra_pitch_u; \
791 srcV += i_extra_pitch_v; \
792 } \
793 }while(0)
794
795 #define INTERLEAVE_UV_SHIFTR(bitshitf) do { \
796 for ( unsigned int line = 0; line < copy_lines; line++ ) { \
797 for ( unsigned int col = 0; col < copy_pitch; col++ ) { \
798 *dstUV++ = (*srcU++) >> (bitshitf); \
799 *dstUV++ = (*srcV++) >> (bitshitf); \
800 } \
801 dstUV += i_extra_pitch_uv; \
802 srcU += i_extra_pitch_u; \
803 srcV += i_extra_pitch_v; \
804 } \
805 }while(0)
806
807 #define INTERLEAVE_UV_SHIFTL(bitshitf) do { \
808 for ( unsigned int line = 0; line < copy_lines; line++ ) { \
809 for ( unsigned int col = 0; col < copy_pitch; col++ ) { \
810 *dstUV++ = (*srcU++) << (bitshitf); \
811 *dstUV++ = (*srcV++) << (bitshitf); \
812 } \
813 dstUV += i_extra_pitch_uv; \
814 srcU += i_extra_pitch_u; \
815 srcV += i_extra_pitch_v; \
816 } \
817 }while(0)
818
819 void Copy420_P_to_SP(picture_t *dst, const uint8_t *src[static 3],
820 const size_t src_pitch[static 3], unsigned height,
821 const copy_cache_t *cache)
822 {
823 ASSERT_3PLANES;
824 #ifdef CAN_COMPILE_SSE2
825 if (vlc_CPU_SSE2())
826 return SSE_Copy420_P_to_SP(dst, src, src_pitch, height, 1, 0, cache);
827 #else
828 (void) cache;
829 #endif
830
831 CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
832 src[0], src_pitch[0], height, 0);
833
834 const unsigned copy_lines = (height+1) / 2;
835 const unsigned copy_pitch = __MIN(src_pitch[1], dst->p[1].i_pitch / 2);
836
837 const int i_extra_pitch_uv = dst->p[1].i_pitch - 2 * copy_pitch;
838 const int i_extra_pitch_u = src_pitch[U_PLANE] - copy_pitch;
839 const int i_extra_pitch_v = src_pitch[V_PLANE] - copy_pitch;
840
841 uint8_t *dstUV = dst->p[1].p_pixels;
842 const uint8_t *srcU = src[U_PLANE];
843 const uint8_t *srcV = src[V_PLANE];
844 INTERLEAVE_UV();
845 }
846
847 void Copy420_16_P_to_SP(picture_t *dst, const uint8_t *src[static 3],
848 const size_t src_pitch[static 3], unsigned height,
849 int bitshift, const copy_cache_t *cache)
850 {
851 ASSERT_3PLANES;
852 assert(bitshift >= -6 && bitshift <= 6 && (bitshift % 2 == 0));
853 #ifdef CAN_COMPILE_SSE2
854 if (vlc_CPU_SSSE3())
855 return SSE_Copy420_P_to_SP(dst, src, src_pitch, height, 2, bitshift, cache);
856 #else
857 (void) cache;
858 #endif
859
860 CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
861 src[0], src_pitch[0], height, bitshift);
862
863 const unsigned copy_lines = (height+1) / 2;
864 const unsigned copy_pitch = src_pitch[1] / 2;
865
866 const int i_extra_pitch_uv = dst->p[1].i_pitch / 2 - 2 * copy_pitch;
867 const int i_extra_pitch_u = src_pitch[U_PLANE] / 2 - copy_pitch;
868 const int i_extra_pitch_v = src_pitch[V_PLANE] / 2 - copy_pitch;
869
870 uint16_t *dstUV = (void*) dst->p[1].p_pixels;
871 const uint16_t *srcU = (const uint16_t *) src[U_PLANE];
872 const uint16_t *srcV = (const uint16_t *) src[V_PLANE];
873
874 if (bitshift == 0)
875 INTERLEAVE_UV();
876 else if (bitshift > 0)
877 INTERLEAVE_UV_SHIFTR(bitshift & 0xf);
878 else
879 INTERLEAVE_UV_SHIFTL((-bitshift) & 0xf);
880 }
881
882 void Copy420_P_to_P(picture_t *dst, const uint8_t *src[static 3],
883 const size_t src_pitch[static 3], unsigned height,
884 const copy_cache_t *cache)
885 {
886 ASSERT_3PLANES;
887 #ifdef CAN_COMPILE_SSE2
888 if (vlc_CPU_SSE2())
889 return SSE_Copy420_P_to_P(dst, src, src_pitch, height, cache);
890 #else
891 (void) cache;
892 #endif
893
894 CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
895 src[0], src_pitch[0], height, 0);
896 CopyPlane(dst->p[1].p_pixels, dst->p[1].i_pitch,
897 src[1], src_pitch[1], (height+1) / 2, 0);
898 CopyPlane(dst->p[2].p_pixels, dst->p[2].i_pitch,
899 src[2], src_pitch[2], (height+1) / 2, 0);
900 }
901
902 int picture_UpdatePlanes(picture_t *picture, uint8_t *data, unsigned pitch)
903 {
904 /* fill in buffer info in first plane */
905 picture->p->p_pixels = data;
906 picture->p->i_pitch = pitch;
907 picture->p->i_lines = picture->format.i_height;
908 assert(picture->p->i_visible_pitch <= picture->p->i_pitch);
909 assert(picture->p->i_visible_lines <= picture->p->i_lines);
910
911 /* Fill chroma planes for biplanar YUV */
912 if (picture->format.i_chroma == VLC_CODEC_NV12 ||
913 picture->format.i_chroma == VLC_CODEC_NV21 ||
914 picture->format.i_chroma == VLC_CODEC_P010) {
915
916 for (int n = 1; n < picture->i_planes; n++) {
917 const plane_t *o = &picture->p[n-1];
918 plane_t *p = &picture->p[n];
919
920 p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
921 p->i_pitch = pitch;
922 p->i_lines = picture->format.i_height;
923 assert(p->i_visible_pitch <= p->i_pitch);
924 assert(p->i_visible_lines <= p->i_lines);
925 }
926 /* The dx/d3d buffer is always allocated as NV12 */
927 if (vlc_fourcc_AreUVPlanesSwapped(picture->format.i_chroma, VLC_CODEC_NV12)) {
928 /* TODO : Swap NV21 UV planes to match NV12 */
929 return VLC_EGENERIC;
930 }
931 }
932
933 /* Fill chroma planes for planar YUV */
934 else
935 if (picture->format.i_chroma == VLC_CODEC_I420 ||
936 picture->format.i_chroma == VLC_CODEC_J420 ||
937 picture->format.i_chroma == VLC_CODEC_YV12) {
938
939 for (int n = 1; n < picture->i_planes; n++) {
940 const plane_t *o = &picture->p[n-1];
941 plane_t *p = &picture->p[n];
942
943 p->p_pixels = o->p_pixels + o->i_lines * o->i_pitch;
944 p->i_pitch = pitch / 2;
945 p->i_lines = picture->format.i_height / 2;
946 }
947 /* The dx/d3d buffer is always allocated as YV12 */
948 if (vlc_fourcc_AreUVPlanesSwapped(picture->format.i_chroma, VLC_CODEC_YV12))
949 picture_SwapUV( picture );
950 }
951 return VLC_SUCCESS;
952 }
953
954 #ifdef COPY_TEST
955
956 #include <vlc_picture.h>
957
958 struct test_dst
959 {
960 vlc_fourcc_t chroma;
961 int bitshift;
962 union
963 {
964 void (*conv)(picture_t *, const uint8_t *[], const size_t [], unsigned,
965 const copy_cache_t *);
966 void (*conv16)(picture_t *, const uint8_t *[], const size_t [], unsigned, int,
967 const copy_cache_t *);
968 };
969 };
970
971 struct test_conv
972 {
973 vlc_fourcc_t src_chroma;
974 struct test_dst dsts[3];
975 };
976
977 static const struct test_conv convs[] = {
978 { .src_chroma = VLC_CODEC_NV12,
979 .dsts = { { VLC_CODEC_I420, 0, .conv = Copy420_SP_to_P },
980 { VLC_CODEC_NV12, 0, .conv = Copy420_SP_to_SP } },
981 },
982 { .src_chroma = VLC_CODEC_I420,
983 .dsts = { { VLC_CODEC_I420, 0, .conv = Copy420_P_to_P },
984 { VLC_CODEC_NV12, 0, .conv = Copy420_P_to_SP } },
985 },
986 { .src_chroma = VLC_CODEC_P010,
987 .dsts = { { VLC_CODEC_I420_10L, 6, .conv16 = Copy420_16_SP_to_P } },
988 },
989 { .src_chroma = VLC_CODEC_I420_10L,
990 .dsts = { { VLC_CODEC_P010, -6, .conv16 = Copy420_16_P_to_SP } },
991 },
992 };
993 #define NB_CONVS ARRAY_SIZE(convs)
994
995 struct test_size
996 {
997 int i_width;
998 int i_height;
999 int i_visible_width;
1000 int i_visible_height;
1001 };
1002 static const struct test_size sizes[] = {
1003 { 1, 1, 1, 1 },
1004 { 3, 3, 3, 3 },
1005 { 65, 39, 65, 39 },
1006 { 560, 369, 540, 350 },
1007 { 1274, 721, 1200, 720 },
1008 { 1920, 1088, 1920, 1080 },
1009 { 3840, 2160, 3840, 2160 },
1010 #if 0 /* too long */
1011 { 8192, 8192, 8192, 8192 },
1012 #endif
1013 };
1014 #define NB_SIZES ARRAY_SIZE(sizes)
1015
1016 static void piccheck(picture_t *pic, const vlc_chroma_description_t *dsc,
1017 bool init)
1018 {
1019 #define ASSERT_COLOR(good) do { \
1020 fprintf(stderr, "error: pixel doesn't match @ plane: %d: %d x %d: 0x%X vs 0x%X\n", i, x, y, *(--p), good); \
1021 assert(!"error: pixel doesn't match"); \
1022 } while(0)
1023
1024 #define PICCHECK(type_u, type_uv, colors_P, color_UV, pitch_den) do { \
1025 for (int i = 0; i < pic->i_planes; ++i) \
1026 { \
1027 const struct plane_t *plane = &pic->p[i]; \
1028 for (int y = 0; y < plane->i_visible_lines; ++y) \
1029 { \
1030 if (pic->i_planes == 2 && i == 1) \
1031 { \
1032 type_uv *p = (type_uv *)&plane->p_pixels[y * plane->i_pitch]; \
1033 for (int x = 0; x < plane->i_visible_pitch / 2 / pitch_den; ++x) \
1034 if (init) \
1035 *(p++) = color_UV; \
1036 else if (*(p++) != color_UV) \
1037 ASSERT_COLOR(color_UV); \
1038 } \
1039 else \
1040 { \
1041 type_u *p = (type_u *) &plane->p_pixels[y * plane->i_pitch]; \
1042 for (int x = 0; x < plane->i_visible_pitch / pitch_den; ++x) \
1043 if (init) \
1044 *(p++) = colors_P[i]; \
1045 else if (*(p++) != colors_P[i]) \
1046 ASSERT_COLOR(colors_P[i]); \
1047 } \
1048 } \
1049 } \
1050 } while (0)
1051
1052 assert(pic->i_planes == 2 || pic->i_planes == 3);
1053 assert(dsc->pixel_size == 1 || dsc->pixel_size == 2);
1054
1055 if (dsc->pixel_size == 1)
1056 {
1057 const uint8_t colors_8_P[3] = { 0x42, 0xF1, 0x36 };
1058 const uint16_t color_8_UV = ntoh16(0xF136);
1059 PICCHECK(uint8_t, uint16_t, colors_8_P, color_8_UV, 1);
1060 }
1061 else
1062 {
1063 const unsigned mask = (1 << dsc->pixel_bits) - 1;
1064 uint16_t colors_16_P[3] = { 0x1042 &mask, 0xF114 &mask, 0x3645 &mask};
1065
1066 switch (pic->format.i_chroma)
1067 {
1068 case VLC_CODEC_P010:
1069 for (size_t i = 0; i < 3; ++i)
1070 colors_16_P[i] <<= 6;
1071 break;
1072 case VLC_CODEC_I420_10L:
1073 break;
1074 default:
1075 vlc_assert_unreachable();
1076 }
1077
1078 uint32_t color_16_UV = GetDWLE( &colors_16_P[1] );
1079
1080 PICCHECK(uint16_t, uint32_t, colors_16_P, color_16_UV, 2);
1081 }
1082 }
1083
1084 static void pic_rsc_destroy(picture_t *pic)
1085 {
1086 for (unsigned i = 0; i < 3; i++)
1087 free(pic->p[i].p_pixels);
1088 free(pic);
1089 }
1090
1091 static picture_t *pic_new_unaligned(const video_format_t *fmt)
1092 {
1093 /* Allocate a no-aligned picture in order to ease buffer overflow detection
1094 * from the source picture */
1095 const vlc_chroma_description_t *dsc = vlc_fourcc_GetChromaDescription(fmt->i_chroma);
1096 assert(dsc);
1097 picture_resource_t rsc = { .pf_destroy = pic_rsc_destroy };
1098 for (unsigned i = 0; i < dsc->plane_count; i++)
1099 {
1100 rsc.p[i].i_lines = ((fmt->i_visible_height + (dsc->p[i].h.den - 1)) / dsc->p[i].h.den) * dsc->p[i].h.num;
1101 rsc.p[i].i_pitch = ((fmt->i_visible_width + (dsc->p[i].w.den - 1)) / dsc->p[i].w.den) * dsc->p[i].w.num * dsc->pixel_size;
1102 rsc.p[i].p_pixels = malloc(rsc.p[i].i_lines * rsc.p[i].i_pitch);
1103 assert(rsc.p[i].p_pixels);
1104 }
1105 return picture_NewFromResource(fmt, &rsc);
1106 }
1107
1108 int main(void)
1109 {
1110 alarm(10);
1111
1112 #ifndef COPY_TEST_NOOPTIM
1113 if (!vlc_CPU_SSE2())
1114 {
1115 fprintf(stderr, "WARNING: could not test SSE\n");
1116 return 77;
1117 }
1118 #endif
1119
1120 for (size_t i = 0; i < NB_CONVS; ++i)
1121 {
1122 const struct test_conv *conv = &convs[i];
1123
1124 for (size_t j = 0; j < NB_SIZES; ++j)
1125 {
1126 const struct test_size *size = &sizes[j];
1127
1128 const vlc_chroma_description_t *src_dsc =
1129 vlc_fourcc_GetChromaDescription(conv->src_chroma);
1130 assert(src_dsc);
1131
1132 video_format_t fmt;
1133 video_format_Init(&fmt, 0);
1134 video_format_Setup(&fmt, conv->src_chroma,
1135 size->i_width, size->i_height,
1136 size->i_visible_width, size->i_visible_height,
1137 1, 1);
1138 picture_t *src = pic_new_unaligned(&fmt);
1139 assert(src);
1140 piccheck(src, src_dsc, true);
1141
1142 copy_cache_t cache;
1143 int ret = CopyInitCache(&cache, src->format.i_width
1144 * src_dsc->pixel_size);
1145 assert(ret == VLC_SUCCESS);
1146
1147 for (size_t f = 0; conv->dsts[f].chroma != 0; ++f)
1148 {
1149 const struct test_dst *test_dst= &conv->dsts[f];
1150
1151 const vlc_chroma_description_t *dst_dsc =
1152 vlc_fourcc_GetChromaDescription(test_dst->chroma);
1153 assert(dst_dsc);
1154 fmt.i_chroma = test_dst->chroma;
1155 picture_t *dst = picture_NewFromFormat(&fmt);
1156 assert(dst);
1157
1158 const uint8_t * src_planes[3] = { src->p[Y_PLANE].p_pixels,
1159 src->p[U_PLANE].p_pixels,
1160 src->p[V_PLANE].p_pixels };
1161 const size_t src_pitches[3] = { src->p[Y_PLANE].i_pitch,
1162 src->p[U_PLANE].i_pitch,
1163 src->p[V_PLANE].i_pitch };
1164
1165 fprintf(stderr, "testing: %u x %u (vis: %u x %u) %4.4s -> %4.4s\n",
1166 size->i_width, size->i_height,
1167 size->i_visible_width, size->i_visible_height,
1168 (const char *) &src->format.i_chroma,
1169 (const char *) &dst->format.i_chroma);
1170 if (test_dst->bitshift == 0)
1171 test_dst->conv(dst, src_planes, src_pitches,
1172 src->format.i_visible_height, &cache);
1173 else
1174 test_dst->conv16(dst, src_planes, src_pitches,
1175 src->format.i_visible_height, test_dst->bitshift,
1176 &cache);
1177 piccheck(dst, dst_dsc, false);
1178 picture_Release(dst);
1179 }
1180 picture_Release(src);
1181 CopyCleanCache(&cache);
1182 }
1183 }
1184 return 0;
1185 }
1186
1187 #endif
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