2 * pixel format descriptor
3 * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of FFmpeg.
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.
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.
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
30 #include "intreadwrite.h"
32 void av_read_image_line(uint16_t *dst,
33 const uint8_t *data[4], const int linesize[4],
34 const AVPixFmtDescriptor *desc,
35 int x, int y, int c, int w,
36 int read_pal_component)
38 AVComponentDescriptor comp = desc->comp[c];
39 int plane = comp.plane;
40 int depth = comp.depth_minus1 + 1;
41 int mask = (1 << depth) - 1;
42 int shift = comp.shift;
43 int step = comp.step_minus1 + 1;
44 int flags = desc->flags;
46 if (flags & PIX_FMT_BITSTREAM) {
47 int skip = x * step + comp.offset_plus1 - 1;
48 const uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
49 int shift = 8 - depth - (skip & 7);
52 int val = (*p >> shift) & mask;
53 if (read_pal_component)
54 val = data[1][4*val + c];
61 const uint8_t *p = data[plane] + y * linesize[plane] +
62 x * step + comp.offset_plus1 - 1;
63 int is_8bit = shift + depth <= 8;
66 p += !!(flags & PIX_FMT_BE);
69 int val = is_8bit ? *p :
70 flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
71 val = (val >> shift) & mask;
72 if (read_pal_component)
73 val = data[1][4 * val + c];
80 void av_write_image_line(const uint16_t *src,
81 uint8_t *data[4], const int linesize[4],
82 const AVPixFmtDescriptor *desc,
83 int x, int y, int c, int w)
85 AVComponentDescriptor comp = desc->comp[c];
86 int plane = comp.plane;
87 int depth = comp.depth_minus1 + 1;
88 int step = comp.step_minus1 + 1;
89 int flags = desc->flags;
91 if (flags & PIX_FMT_BITSTREAM) {
92 int skip = x * step + comp.offset_plus1 - 1;
93 uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
94 int shift = 8 - depth - (skip & 7);
97 *p |= *src++ << shift;
103 int shift = comp.shift;
104 uint8_t *p = data[plane] + y * linesize[plane] +
105 x * step + comp.offset_plus1 - 1;
107 if (shift + depth <= 8) {
108 p += !!(flags & PIX_FMT_BE);
110 *p |= (*src++ << shift);
115 if (flags & PIX_FMT_BE) {
116 uint16_t val = AV_RB16(p) | (*src++ << shift);
119 uint16_t val = AV_RL16(p) | (*src++ << shift);
128 #if !FF_API_PIX_FMT_DESC
131 const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
132 [AV_PIX_FMT_YUV420P] = {
138 { 0, 0, 1, 0, 7 }, /* Y */
139 { 1, 0, 1, 0, 7 }, /* U */
140 { 2, 0, 1, 0, 7 }, /* V */
142 .flags = PIX_FMT_PLANAR,
144 [AV_PIX_FMT_YUYV422] = {
150 { 0, 1, 1, 0, 7 }, /* Y */
151 { 0, 3, 2, 0, 7 }, /* U */
152 { 0, 3, 4, 0, 7 }, /* V */
155 [AV_PIX_FMT_RGB24] = {
161 { 0, 2, 1, 0, 7 }, /* R */
162 { 0, 2, 2, 0, 7 }, /* G */
163 { 0, 2, 3, 0, 7 }, /* B */
165 .flags = PIX_FMT_RGB,
167 [AV_PIX_FMT_BGR24] = {
173 { 0, 2, 3, 0, 7 }, /* R */
174 { 0, 2, 2, 0, 7 }, /* G */
175 { 0, 2, 1, 0, 7 }, /* B */
177 .flags = PIX_FMT_RGB,
179 [AV_PIX_FMT_YUV422P] = {
185 { 0, 0, 1, 0, 7 }, /* Y */
186 { 1, 0, 1, 0, 7 }, /* U */
187 { 2, 0, 1, 0, 7 }, /* V */
189 .flags = PIX_FMT_PLANAR,
191 [AV_PIX_FMT_YUV444P] = {
197 { 0, 0, 1, 0, 7 }, /* Y */
198 { 1, 0, 1, 0, 7 }, /* U */
199 { 2, 0, 1, 0, 7 }, /* V */
201 .flags = PIX_FMT_PLANAR,
203 [AV_PIX_FMT_YUV410P] = {
209 { 0, 0, 1, 0, 7 }, /* Y */
210 { 1, 0, 1, 0, 7 }, /* U */
211 { 2, 0, 1, 0, 7 }, /* V */
213 .flags = PIX_FMT_PLANAR,
215 [AV_PIX_FMT_YUV411P] = {
221 { 0, 0, 1, 0, 7 }, /* Y */
222 { 1, 0, 1, 0, 7 }, /* U */
223 { 2, 0, 1, 0, 7 }, /* V */
225 .flags = PIX_FMT_PLANAR,
227 [AV_PIX_FMT_GRAY8] = {
233 { 0, 0, 1, 0, 7 }, /* Y */
235 .flags = PIX_FMT_PSEUDOPAL,
237 [AV_PIX_FMT_MONOWHITE] = {
243 { 0, 0, 1, 0, 0 }, /* Y */
245 .flags = PIX_FMT_BITSTREAM,
247 [AV_PIX_FMT_MONOBLACK] = {
253 { 0, 0, 1, 7, 0 }, /* Y */
255 .flags = PIX_FMT_BITSTREAM,
257 [AV_PIX_FMT_PAL8] = {
265 .flags = PIX_FMT_PAL,
267 [AV_PIX_FMT_YUVJ420P] = {
273 { 0, 0, 1, 0, 7 }, /* Y */
274 { 1, 0, 1, 0, 7 }, /* U */
275 { 2, 0, 1, 0, 7 }, /* V */
277 .flags = PIX_FMT_PLANAR,
279 [AV_PIX_FMT_YUVJ422P] = {
285 { 0, 0, 1, 0, 7 }, /* Y */
286 { 1, 0, 1, 0, 7 }, /* U */
287 { 2, 0, 1, 0, 7 }, /* V */
289 .flags = PIX_FMT_PLANAR,
291 [AV_PIX_FMT_YUVJ444P] = {
297 { 0, 0, 1, 0, 7 }, /* Y */
298 { 1, 0, 1, 0, 7 }, /* U */
299 { 2, 0, 1, 0, 7 }, /* V */
301 .flags = PIX_FMT_PLANAR,
303 [AV_PIX_FMT_XVMC_MPEG2_MC] = {
305 .flags = PIX_FMT_HWACCEL,
307 [AV_PIX_FMT_XVMC_MPEG2_IDCT] = {
309 .flags = PIX_FMT_HWACCEL,
311 [AV_PIX_FMT_UYVY422] = {
317 { 0, 1, 2, 0, 7 }, /* Y */
318 { 0, 3, 1, 0, 7 }, /* U */
319 { 0, 3, 3, 0, 7 }, /* V */
322 [AV_PIX_FMT_UYYVYY411] = {
328 { 0, 3, 2, 0, 7 }, /* Y */
329 { 0, 5, 1, 0, 7 }, /* U */
330 { 0, 5, 4, 0, 7 }, /* V */
333 [AV_PIX_FMT_BGR8] = {
339 { 0, 0, 1, 0, 2 }, /* R */
340 { 0, 0, 1, 3, 2 }, /* G */
341 { 0, 0, 1, 6, 1 }, /* B */
343 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
345 [AV_PIX_FMT_BGR4] = {
351 { 0, 3, 4, 0, 0 }, /* R */
352 { 0, 3, 2, 0, 1 }, /* G */
353 { 0, 3, 1, 0, 0 }, /* B */
355 .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
357 [AV_PIX_FMT_BGR4_BYTE] = {
363 { 0, 0, 1, 0, 0 }, /* R */
364 { 0, 0, 1, 1, 1 }, /* G */
365 { 0, 0, 1, 3, 0 }, /* B */
367 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
369 [AV_PIX_FMT_RGB8] = {
375 { 0, 0, 1, 6, 1 }, /* R */
376 { 0, 0, 1, 3, 2 }, /* G */
377 { 0, 0, 1, 0, 2 }, /* B */
379 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
381 [AV_PIX_FMT_RGB4] = {
387 { 0, 3, 1, 0, 0 }, /* R */
388 { 0, 3, 2, 0, 1 }, /* G */
389 { 0, 3, 4, 0, 0 }, /* B */
391 .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
393 [AV_PIX_FMT_RGB4_BYTE] = {
399 { 0, 0, 1, 3, 0 }, /* R */
400 { 0, 0, 1, 1, 1 }, /* G */
401 { 0, 0, 1, 0, 0 }, /* B */
403 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
405 [AV_PIX_FMT_NV12] = {
411 { 0, 0, 1, 0, 7 }, /* Y */
412 { 1, 1, 1, 0, 7 }, /* U */
413 { 1, 1, 2, 0, 7 }, /* V */
415 .flags = PIX_FMT_PLANAR,
417 [AV_PIX_FMT_NV21] = {
423 { 0, 0, 1, 0, 7 }, /* Y */
424 { 1, 1, 2, 0, 7 }, /* U */
425 { 1, 1, 1, 0, 7 }, /* V */
427 .flags = PIX_FMT_PLANAR,
429 [AV_PIX_FMT_ARGB] = {
435 { 0, 3, 2, 0, 7 }, /* R */
436 { 0, 3, 3, 0, 7 }, /* G */
437 { 0, 3, 4, 0, 7 }, /* B */
438 { 0, 3, 1, 0, 7 }, /* A */
440 .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
442 [AV_PIX_FMT_RGBA] = {
448 { 0, 3, 1, 0, 7 }, /* R */
449 { 0, 3, 2, 0, 7 }, /* G */
450 { 0, 3, 3, 0, 7 }, /* B */
451 { 0, 3, 4, 0, 7 }, /* A */
453 .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
455 [AV_PIX_FMT_ABGR] = {
461 { 0, 3, 4, 0, 7 }, /* R */
462 { 0, 3, 3, 0, 7 }, /* G */
463 { 0, 3, 2, 0, 7 }, /* B */
464 { 0, 3, 1, 0, 7 }, /* A */
466 .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
468 [AV_PIX_FMT_BGRA] = {
474 { 0, 3, 3, 0, 7 }, /* R */
475 { 0, 3, 2, 0, 7 }, /* G */
476 { 0, 3, 1, 0, 7 }, /* B */
477 { 0, 3, 4, 0, 7 }, /* A */
479 .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
481 [AV_PIX_FMT_0RGB] = {
487 { 0, 3, 2, 0, 7 }, /* R */
488 { 0, 3, 3, 0, 7 }, /* G */
489 { 0, 3, 4, 0, 7 }, /* B */
491 .flags = PIX_FMT_RGB,
493 [AV_PIX_FMT_RGB0] = {
499 { 0, 3, 1, 0, 7 }, /* R */
500 { 0, 3, 2, 0, 7 }, /* G */
501 { 0, 3, 3, 0, 7 }, /* B */
503 .flags = PIX_FMT_RGB,
505 [AV_PIX_FMT_0BGR] = {
511 { 0, 3, 4, 0, 7 }, /* R */
512 { 0, 3, 3, 0, 7 }, /* G */
513 { 0, 3, 2, 0, 7 }, /* B */
515 .flags = PIX_FMT_RGB,
517 [AV_PIX_FMT_BGR0] = {
523 { 0, 3, 3, 0, 7 }, /* R */
524 { 0, 3, 2, 0, 7 }, /* G */
525 { 0, 3, 1, 0, 7 }, /* B */
527 .flags = PIX_FMT_RGB,
529 [AV_PIX_FMT_GRAY16BE] = {
535 { 0, 1, 1, 0, 15 }, /* Y */
539 [AV_PIX_FMT_GRAY16LE] = {
545 { 0, 1, 1, 0, 15 }, /* Y */
548 [AV_PIX_FMT_YUV440P] = {
554 { 0, 0, 1, 0, 7 }, /* Y */
555 { 1, 0, 1, 0, 7 }, /* U */
556 { 2, 0, 1, 0, 7 }, /* V */
558 .flags = PIX_FMT_PLANAR,
560 [AV_PIX_FMT_YUVJ440P] = {
566 { 0, 0, 1, 0, 7 }, /* Y */
567 { 1, 0, 1, 0, 7 }, /* U */
568 { 2, 0, 1, 0, 7 }, /* V */
570 .flags = PIX_FMT_PLANAR,
572 [AV_PIX_FMT_YUVA420P] = {
578 { 0, 0, 1, 0, 7 }, /* Y */
579 { 1, 0, 1, 0, 7 }, /* U */
580 { 2, 0, 1, 0, 7 }, /* V */
581 { 3, 0, 1, 0, 7 }, /* A */
583 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
585 [AV_PIX_FMT_YUVA422P] = {
591 { 0, 0, 1, 0, 7 }, /* Y */
592 { 1, 0, 1, 0, 7 }, /* U */
593 { 2, 0, 1, 0, 7 }, /* V */
594 { 3, 0, 1, 0, 7 }, /* A */
596 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
598 [AV_PIX_FMT_YUVA444P] = {
604 { 0, 0, 1, 0, 7 }, /* Y */
605 { 1, 0, 1, 0, 7 }, /* U */
606 { 2, 0, 1, 0, 7 }, /* V */
607 { 3, 0, 1, 0, 7 }, /* A */
609 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
611 [AV_PIX_FMT_YUVA420P9BE] = {
612 .name = "yuva420p9be",
617 { 0, 1, 1, 0, 8 }, /* Y */
618 { 1, 1, 1, 0, 8 }, /* U */
619 { 2, 1, 1, 0, 8 }, /* V */
620 { 3, 1, 1, 0, 8 }, /* A */
622 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
624 [AV_PIX_FMT_YUVA420P9LE] = {
625 .name = "yuva420p9le",
630 { 0, 1, 1, 0, 8 }, /* Y */
631 { 1, 1, 1, 0, 8 }, /* U */
632 { 2, 1, 1, 0, 8 }, /* V */
633 { 3, 1, 1, 0, 8 }, /* A */
635 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
637 [AV_PIX_FMT_YUVA422P9BE] = {
638 .name = "yuva422p9be",
643 { 0, 1, 1, 0, 8 }, /* Y */
644 { 1, 1, 1, 0, 8 }, /* U */
645 { 2, 1, 1, 0, 8 }, /* V */
646 { 3, 1, 1, 0, 8 }, /* A */
648 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
650 [AV_PIX_FMT_YUVA422P9LE] = {
651 .name = "yuva422p9le",
656 { 0, 1, 1, 0, 8 }, /* Y */
657 { 1, 1, 1, 0, 8 }, /* U */
658 { 2, 1, 1, 0, 8 }, /* V */
659 { 3, 1, 1, 0, 8 }, /* A */
661 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
663 [AV_PIX_FMT_YUVA444P9BE] = {
664 .name = "yuva444p9be",
669 { 0, 1, 1, 0, 8 }, /* Y */
670 { 1, 1, 1, 0, 8 }, /* U */
671 { 2, 1, 1, 0, 8 }, /* V */
672 { 3, 1, 1, 0, 8 }, /* A */
674 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
676 [AV_PIX_FMT_YUVA444P9LE] = {
677 .name = "yuva444p9le",
682 { 0, 1, 1, 0, 8 }, /* Y */
683 { 1, 1, 1, 0, 8 }, /* U */
684 { 2, 1, 1, 0, 8 }, /* V */
685 { 3, 1, 1, 0, 8 }, /* A */
687 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
689 [AV_PIX_FMT_YUVA420P10BE] = {
690 .name = "yuva420p10be",
695 { 0, 1, 1, 0, 9 }, /* Y */
696 { 1, 1, 1, 0, 9 }, /* U */
697 { 2, 1, 1, 0, 9 }, /* V */
698 { 3, 1, 1, 0, 9 }, /* A */
700 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
702 [AV_PIX_FMT_YUVA420P10LE] = {
703 .name = "yuva420p10le",
708 { 0, 1, 1, 0, 9 }, /* Y */
709 { 1, 1, 1, 0, 9 }, /* U */
710 { 2, 1, 1, 0, 9 }, /* V */
711 { 3, 1, 1, 0, 9 }, /* A */
713 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
715 [AV_PIX_FMT_YUVA422P10BE] = {
716 .name = "yuva422p10be",
721 { 0, 1, 1, 0, 9 }, /* Y */
722 { 1, 1, 1, 0, 9 }, /* U */
723 { 2, 1, 1, 0, 9 }, /* V */
724 { 3, 1, 1, 0, 9 }, /* A */
726 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
728 [AV_PIX_FMT_YUVA422P10LE] = {
729 .name = "yuva422p10le",
734 { 0, 1, 1, 0, 9 }, /* Y */
735 { 1, 1, 1, 0, 9 }, /* U */
736 { 2, 1, 1, 0, 9 }, /* V */
737 { 3, 1, 1, 0, 9 }, /* A */
739 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
741 [AV_PIX_FMT_YUVA444P10BE] = {
742 .name = "yuva444p10be",
747 { 0, 1, 1, 0, 9 }, /* Y */
748 { 1, 1, 1, 0, 9 }, /* U */
749 { 2, 1, 1, 0, 9 }, /* V */
750 { 3, 1, 1, 0, 9 }, /* A */
752 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
754 [AV_PIX_FMT_YUVA444P10LE] = {
755 .name = "yuva444p10le",
760 { 0, 1, 1, 0, 9 }, /* Y */
761 { 1, 1, 1, 0, 9 }, /* U */
762 { 2, 1, 1, 0, 9 }, /* V */
763 { 3, 1, 1, 0, 9 }, /* A */
765 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
767 [AV_PIX_FMT_YUVA420P16BE] = {
768 .name = "yuva420p16be",
773 { 0, 1, 1, 0, 15 }, /* Y */
774 { 1, 1, 1, 0, 15 }, /* U */
775 { 2, 1, 1, 0, 15 }, /* V */
776 { 3, 1, 1, 0, 15 }, /* A */
778 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
780 [AV_PIX_FMT_YUVA420P16LE] = {
781 .name = "yuva420p16le",
786 { 0, 1, 1, 0, 15 }, /* Y */
787 { 1, 1, 1, 0, 15 }, /* U */
788 { 2, 1, 1, 0, 15 }, /* V */
789 { 3, 1, 1, 0, 15 }, /* A */
791 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
793 [AV_PIX_FMT_YUVA422P16BE] = {
794 .name = "yuva422p16be",
799 { 0, 1, 1, 0, 15 }, /* Y */
800 { 1, 1, 1, 0, 15 }, /* U */
801 { 2, 1, 1, 0, 15 }, /* V */
802 { 3, 1, 1, 0, 15 }, /* A */
804 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
806 [AV_PIX_FMT_YUVA422P16LE] = {
807 .name = "yuva422p16le",
812 { 0, 1, 1, 0, 15 }, /* Y */
813 { 1, 1, 1, 0, 15 }, /* U */
814 { 2, 1, 1, 0, 15 }, /* V */
815 { 3, 1, 1, 0, 15 }, /* A */
817 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
819 [AV_PIX_FMT_YUVA444P16BE] = {
820 .name = "yuva444p16be",
825 { 0, 1, 1, 0, 15 }, /* Y */
826 { 1, 1, 1, 0, 15 }, /* U */
827 { 2, 1, 1, 0, 15 }, /* V */
828 { 3, 1, 1, 0, 15 }, /* A */
830 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
832 [AV_PIX_FMT_YUVA444P16LE] = {
833 .name = "yuva444p16le",
838 { 0, 1, 1, 0, 15 }, /* Y */
839 { 1, 1, 1, 0, 15 }, /* U */
840 { 2, 1, 1, 0, 15 }, /* V */
841 { 3, 1, 1, 0, 15 }, /* A */
843 .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
845 [AV_PIX_FMT_VDPAU_H264] = {
846 .name = "vdpau_h264",
849 .flags = PIX_FMT_HWACCEL,
851 [AV_PIX_FMT_VDPAU_MPEG1] = {
852 .name = "vdpau_mpeg1",
855 .flags = PIX_FMT_HWACCEL,
857 [AV_PIX_FMT_VDPAU_MPEG2] = {
858 .name = "vdpau_mpeg2",
861 .flags = PIX_FMT_HWACCEL,
863 [AV_PIX_FMT_VDPAU_WMV3] = {
864 .name = "vdpau_wmv3",
867 .flags = PIX_FMT_HWACCEL,
869 [AV_PIX_FMT_VDPAU_VC1] = {
873 .flags = PIX_FMT_HWACCEL,
875 [AV_PIX_FMT_VDPAU_MPEG4] = {
876 .name = "vdpau_mpeg4",
879 .flags = PIX_FMT_HWACCEL,
881 [AV_PIX_FMT_RGB48BE] = {
887 { 0, 5, 1, 0, 15 }, /* R */
888 { 0, 5, 3, 0, 15 }, /* G */
889 { 0, 5, 5, 0, 15 }, /* B */
891 .flags = PIX_FMT_RGB | PIX_FMT_BE,
893 [AV_PIX_FMT_RGB48LE] = {
899 { 0, 5, 1, 0, 15 }, /* R */
900 { 0, 5, 3, 0, 15 }, /* G */
901 { 0, 5, 5, 0, 15 }, /* B */
903 .flags = PIX_FMT_RGB,
905 [AV_PIX_FMT_RGBA64BE] = {
911 { 0, 7, 1, 0, 15 }, /* R */
912 { 0, 7, 3, 0, 15 }, /* G */
913 { 0, 7, 5, 0, 15 }, /* B */
914 { 0, 7, 7, 0, 15 }, /* A */
916 .flags = PIX_FMT_RGB | PIX_FMT_BE | PIX_FMT_ALPHA,
918 [AV_PIX_FMT_RGBA64LE] = {
924 { 0, 7, 1, 0, 15 }, /* R */
925 { 0, 7, 3, 0, 15 }, /* G */
926 { 0, 7, 5, 0, 15 }, /* B */
927 { 0, 7, 7, 0, 15 }, /* A */
929 .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
931 [AV_PIX_FMT_RGB565BE] = {
937 { 0, 1, 0, 3, 4 }, /* R */
938 { 0, 1, 1, 5, 5 }, /* G */
939 { 0, 1, 1, 0, 4 }, /* B */
941 .flags = PIX_FMT_BE | PIX_FMT_RGB,
943 [AV_PIX_FMT_RGB565LE] = {
949 { 0, 1, 2, 3, 4 }, /* R */
950 { 0, 1, 1, 5, 5 }, /* G */
951 { 0, 1, 1, 0, 4 }, /* B */
953 .flags = PIX_FMT_RGB,
955 [AV_PIX_FMT_RGB555BE] = {
961 { 0, 1, 0, 2, 4 }, /* R */
962 { 0, 1, 1, 5, 4 }, /* G */
963 { 0, 1, 1, 0, 4 }, /* B */
965 .flags = PIX_FMT_BE | PIX_FMT_RGB,
967 [AV_PIX_FMT_RGB555LE] = {
973 { 0, 1, 2, 2, 4 }, /* R */
974 { 0, 1, 1, 5, 4 }, /* G */
975 { 0, 1, 1, 0, 4 }, /* B */
977 .flags = PIX_FMT_RGB,
979 [AV_PIX_FMT_RGB444BE] = {
985 { 0, 1, 0, 0, 3 }, /* R */
986 { 0, 1, 1, 4, 3 }, /* G */
987 { 0, 1, 1, 0, 3 }, /* B */
989 .flags = PIX_FMT_BE | PIX_FMT_RGB,
991 [AV_PIX_FMT_RGB444LE] = {
997 { 0, 1, 2, 0, 3 }, /* R */
998 { 0, 1, 1, 4, 3 }, /* G */
999 { 0, 1, 1, 0, 3 }, /* B */
1001 .flags = PIX_FMT_RGB,
1003 [AV_PIX_FMT_BGR48BE] = {
1009 { 0, 5, 5, 0, 15 }, /* R */
1010 { 0, 5, 3, 0, 15 }, /* G */
1011 { 0, 5, 1, 0, 15 }, /* B */
1013 .flags = PIX_FMT_BE | PIX_FMT_RGB,
1015 [AV_PIX_FMT_BGR48LE] = {
1021 { 0, 5, 5, 0, 15 }, /* R */
1022 { 0, 5, 3, 0, 15 }, /* G */
1023 { 0, 5, 1, 0, 15 }, /* B */
1025 .flags = PIX_FMT_RGB,
1027 [AV_PIX_FMT_BGRA64BE] = {
1033 { 0, 7, 5, 0, 15 }, /* R */
1034 { 0, 7, 3, 0, 15 }, /* G */
1035 { 0, 7, 1, 0, 15 }, /* B */
1036 { 0, 7, 7, 0, 15 }, /* A */
1038 .flags = PIX_FMT_BE | PIX_FMT_RGB | PIX_FMT_ALPHA,
1040 [AV_PIX_FMT_BGRA64LE] = {
1046 { 0, 7, 5, 0, 15 }, /* R */
1047 { 0, 7, 3, 0, 15 }, /* G */
1048 { 0, 7, 1, 0, 15 }, /* B */
1049 { 0, 7, 7, 0, 15 }, /* A */
1051 .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
1053 [AV_PIX_FMT_BGR565BE] = {
1059 { 0, 1, 1, 0, 4 }, /* R */
1060 { 0, 1, 1, 5, 5 }, /* G */
1061 { 0, 1, 0, 3, 4 }, /* B */
1063 .flags = PIX_FMT_BE | PIX_FMT_RGB,
1065 [AV_PIX_FMT_BGR565LE] = {
1071 { 0, 1, 1, 0, 4 }, /* R */
1072 { 0, 1, 1, 5, 5 }, /* G */
1073 { 0, 1, 2, 3, 4 }, /* B */
1075 .flags = PIX_FMT_RGB,
1077 [AV_PIX_FMT_BGR555BE] = {
1083 { 0, 1, 1, 0, 4 }, /* R */
1084 { 0, 1, 1, 5, 4 }, /* G */
1085 { 0, 1, 0, 2, 4 }, /* B */
1087 .flags = PIX_FMT_BE | PIX_FMT_RGB,
1089 [AV_PIX_FMT_BGR555LE] = {
1095 { 0, 1, 1, 0, 4 }, /* R */
1096 { 0, 1, 1, 5, 4 }, /* G */
1097 { 0, 1, 2, 2, 4 }, /* B */
1099 .flags = PIX_FMT_RGB,
1101 [AV_PIX_FMT_BGR444BE] = {
1107 { 0, 1, 1, 0, 3 }, /* R */
1108 { 0, 1, 1, 4, 3 }, /* G */
1109 { 0, 1, 0, 0, 3 }, /* B */
1111 .flags = PIX_FMT_BE | PIX_FMT_RGB,
1113 [AV_PIX_FMT_BGR444LE] = {
1119 { 0, 1, 1, 0, 3 }, /* R */
1120 { 0, 1, 1, 4, 3 }, /* G */
1121 { 0, 1, 2, 0, 3 }, /* B */
1123 .flags = PIX_FMT_RGB,
1125 [AV_PIX_FMT_VAAPI_MOCO] = {
1126 .name = "vaapi_moco",
1129 .flags = PIX_FMT_HWACCEL,
1131 [AV_PIX_FMT_VAAPI_IDCT] = {
1132 .name = "vaapi_idct",
1135 .flags = PIX_FMT_HWACCEL,
1137 [AV_PIX_FMT_VAAPI_VLD] = {
1138 .name = "vaapi_vld",
1141 .flags = PIX_FMT_HWACCEL,
1143 [AV_PIX_FMT_YUV420P9LE] = {
1144 .name = "yuv420p9le",
1149 { 0, 1, 1, 0, 8 }, /* Y */
1150 { 1, 1, 1, 0, 8 }, /* U */
1151 { 2, 1, 1, 0, 8 }, /* V */
1153 .flags = PIX_FMT_PLANAR,
1155 [AV_PIX_FMT_YUV420P9BE] = {
1156 .name = "yuv420p9be",
1161 { 0, 1, 1, 0, 8 }, /* Y */
1162 { 1, 1, 1, 0, 8 }, /* U */
1163 { 2, 1, 1, 0, 8 }, /* V */
1165 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1167 [AV_PIX_FMT_YUV420P10LE] = {
1168 .name = "yuv420p10le",
1173 { 0, 1, 1, 0, 9 }, /* Y */
1174 { 1, 1, 1, 0, 9 }, /* U */
1175 { 2, 1, 1, 0, 9 }, /* V */
1177 .flags = PIX_FMT_PLANAR,
1179 [AV_PIX_FMT_YUV420P10BE] = {
1180 .name = "yuv420p10be",
1185 { 0, 1, 1, 0, 9 }, /* Y */
1186 { 1, 1, 1, 0, 9 }, /* U */
1187 { 2, 1, 1, 0, 9 }, /* V */
1189 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1191 [AV_PIX_FMT_YUV420P12LE] = {
1192 .name = "yuv420p12le",
1197 { 0, 1, 1, 0, 11 }, /* Y */
1198 { 1, 1, 1, 0, 11 }, /* U */
1199 { 2, 1, 1, 0, 11 }, /* V */
1201 .flags = PIX_FMT_PLANAR,
1203 [AV_PIX_FMT_YUV420P12BE] = {
1204 .name = "yuv420p12be",
1209 { 0, 1, 1, 0, 11 }, /* Y */
1210 { 1, 1, 1, 0, 11 }, /* U */
1211 { 2, 1, 1, 0, 11 }, /* V */
1213 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1215 [AV_PIX_FMT_YUV420P14LE] = {
1216 .name = "yuv420p14le",
1221 { 0, 1, 1, 0, 13 }, /* Y */
1222 { 1, 1, 1, 0, 13 }, /* U */
1223 { 2, 1, 1, 0, 13 }, /* V */
1225 .flags = PIX_FMT_PLANAR,
1227 [AV_PIX_FMT_YUV420P14BE] = {
1228 .name = "yuv420p14be",
1233 { 0, 1, 1, 0, 13 }, /* Y */
1234 { 1, 1, 1, 0, 13 }, /* U */
1235 { 2, 1, 1, 0, 13 }, /* V */
1237 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1239 [AV_PIX_FMT_YUV420P16LE] = {
1240 .name = "yuv420p16le",
1245 { 0, 1, 1, 0, 15 }, /* Y */
1246 { 1, 1, 1, 0, 15 }, /* U */
1247 { 2, 1, 1, 0, 15 }, /* V */
1249 .flags = PIX_FMT_PLANAR,
1251 [AV_PIX_FMT_YUV420P16BE] = {
1252 .name = "yuv420p16be",
1257 { 0, 1, 1, 0, 15 }, /* Y */
1258 { 1, 1, 1, 0, 15 }, /* U */
1259 { 2, 1, 1, 0, 15 }, /* V */
1261 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1263 [AV_PIX_FMT_YUV422P9LE] = {
1264 .name = "yuv422p9le",
1269 { 0, 1, 1, 0, 8 }, /* Y */
1270 { 1, 1, 1, 0, 8 }, /* U */
1271 { 2, 1, 1, 0, 8 }, /* V */
1273 .flags = PIX_FMT_PLANAR,
1275 [AV_PIX_FMT_YUV422P9BE] = {
1276 .name = "yuv422p9be",
1281 { 0, 1, 1, 0, 8 }, /* Y */
1282 { 1, 1, 1, 0, 8 }, /* U */
1283 { 2, 1, 1, 0, 8 }, /* V */
1285 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1287 [AV_PIX_FMT_YUV422P10LE] = {
1288 .name = "yuv422p10le",
1293 { 0, 1, 1, 0, 9 }, /* Y */
1294 { 1, 1, 1, 0, 9 }, /* U */
1295 { 2, 1, 1, 0, 9 }, /* V */
1297 .flags = PIX_FMT_PLANAR,
1299 [AV_PIX_FMT_YUV422P10BE] = {
1300 .name = "yuv422p10be",
1305 { 0, 1, 1, 0, 9 }, /* Y */
1306 { 1, 1, 1, 0, 9 }, /* U */
1307 { 2, 1, 1, 0, 9 }, /* V */
1309 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1311 [AV_PIX_FMT_YUV422P12LE] = {
1312 .name = "yuv422p12le",
1317 { 0, 1, 1, 0, 11 }, /* Y */
1318 { 1, 1, 1, 0, 11 }, /* U */
1319 { 2, 1, 1, 0, 11 }, /* V */
1321 .flags = PIX_FMT_PLANAR,
1323 [AV_PIX_FMT_YUV422P12BE] = {
1324 .name = "yuv422p12be",
1329 { 0, 1, 1, 0, 11 }, /* Y */
1330 { 1, 1, 1, 0, 11 }, /* U */
1331 { 2, 1, 1, 0, 11 }, /* V */
1333 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1335 [AV_PIX_FMT_YUV422P14LE] = {
1336 .name = "yuv422p14le",
1341 { 0, 1, 1, 0, 13 }, /* Y */
1342 { 1, 1, 1, 0, 13 }, /* U */
1343 { 2, 1, 1, 0, 13 }, /* V */
1345 .flags = PIX_FMT_PLANAR,
1347 [AV_PIX_FMT_YUV422P14BE] = {
1348 .name = "yuv422p14be",
1353 { 0, 1, 1, 0, 13 }, /* Y */
1354 { 1, 1, 1, 0, 13 }, /* U */
1355 { 2, 1, 1, 0, 13 }, /* V */
1357 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1359 [AV_PIX_FMT_YUV422P16LE] = {
1360 .name = "yuv422p16le",
1365 { 0, 1, 1, 0, 15 }, /* Y */
1366 { 1, 1, 1, 0, 15 }, /* U */
1367 { 2, 1, 1, 0, 15 }, /* V */
1369 .flags = PIX_FMT_PLANAR,
1371 [AV_PIX_FMT_YUV422P16BE] = {
1372 .name = "yuv422p16be",
1377 { 0, 1, 1, 0, 15 }, /* Y */
1378 { 1, 1, 1, 0, 15 }, /* U */
1379 { 2, 1, 1, 0, 15 }, /* V */
1381 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1383 [AV_PIX_FMT_YUV444P16LE] = {
1384 .name = "yuv444p16le",
1389 { 0, 1, 1, 0, 15 }, /* Y */
1390 { 1, 1, 1, 0, 15 }, /* U */
1391 { 2, 1, 1, 0, 15 }, /* V */
1393 .flags = PIX_FMT_PLANAR,
1395 [AV_PIX_FMT_YUV444P16BE] = {
1396 .name = "yuv444p16be",
1401 { 0, 1, 1, 0, 15 }, /* Y */
1402 { 1, 1, 1, 0, 15 }, /* U */
1403 { 2, 1, 1, 0, 15 }, /* V */
1405 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1407 [AV_PIX_FMT_YUV444P10LE] = {
1408 .name = "yuv444p10le",
1413 { 0, 1, 1, 0, 9 }, /* Y */
1414 { 1, 1, 1, 0, 9 }, /* U */
1415 { 2, 1, 1, 0, 9 }, /* V */
1417 .flags = PIX_FMT_PLANAR,
1419 [AV_PIX_FMT_YUV444P10BE] = {
1420 .name = "yuv444p10be",
1425 { 0, 1, 1, 0, 9 }, /* Y */
1426 { 1, 1, 1, 0, 9 }, /* U */
1427 { 2, 1, 1, 0, 9 }, /* V */
1429 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1431 [AV_PIX_FMT_YUV444P9LE] = {
1432 .name = "yuv444p9le",
1437 { 0, 1, 1, 0, 8 }, /* Y */
1438 { 1, 1, 1, 0, 8 }, /* U */
1439 { 2, 1, 1, 0, 8 }, /* V */
1441 .flags = PIX_FMT_PLANAR,
1443 [AV_PIX_FMT_YUV444P9BE] = {
1444 .name = "yuv444p9be",
1449 { 0, 1, 1, 0, 8 }, /* Y */
1450 { 1, 1, 1, 0, 8 }, /* U */
1451 { 2, 1, 1, 0, 8 }, /* V */
1453 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1455 [AV_PIX_FMT_YUV444P12LE] = {
1456 .name = "yuv444p12le",
1461 { 0, 1, 1, 0, 11 }, /* Y */
1462 { 1, 1, 1, 0, 11 }, /* U */
1463 { 2, 1, 1, 0, 11 }, /* V */
1465 .flags = PIX_FMT_PLANAR,
1467 [AV_PIX_FMT_YUV444P12BE] = {
1468 .name = "yuv444p12be",
1473 { 0, 1, 1, 0, 11 }, /* Y */
1474 { 1, 1, 1, 0, 11 }, /* U */
1475 { 2, 1, 1, 0, 11 }, /* V */
1477 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1479 [AV_PIX_FMT_YUV444P14LE] = {
1480 .name = "yuv444p14le",
1485 { 0, 1, 1, 0, 13 }, /* Y */
1486 { 1, 1, 1, 0, 13 }, /* U */
1487 { 2, 1, 1, 0, 13 }, /* V */
1489 .flags = PIX_FMT_PLANAR,
1491 [AV_PIX_FMT_YUV444P14BE] = {
1492 .name = "yuv444p14be",
1497 { 0, 1, 1, 0, 13 }, /* Y */
1498 { 1, 1, 1, 0, 13 }, /* U */
1499 { 2, 1, 1, 0, 13 }, /* V */
1501 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
1503 [AV_PIX_FMT_DXVA2_VLD] = {
1504 .name = "dxva2_vld",
1507 .flags = PIX_FMT_HWACCEL,
1509 [AV_PIX_FMT_VDA_VLD] = {
1513 .flags = PIX_FMT_HWACCEL,
1515 [AV_PIX_FMT_GRAY8A] = {
1519 { 0, 1, 1, 0, 7 }, /* Y */
1520 { 0, 1, 2, 0, 7 }, /* A */
1522 .flags = PIX_FMT_ALPHA,
1524 [AV_PIX_FMT_GBRP] = {
1530 { 2, 0, 1, 0, 7 }, /* R */
1531 { 0, 0, 1, 0, 7 }, /* G */
1532 { 1, 0, 1, 0, 7 }, /* B */
1534 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1536 [AV_PIX_FMT_GBRP9LE] = {
1542 { 2, 1, 1, 0, 8 }, /* R */
1543 { 0, 1, 1, 0, 8 }, /* G */
1544 { 1, 1, 1, 0, 8 }, /* B */
1546 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1548 [AV_PIX_FMT_GBRP9BE] = {
1554 { 2, 1, 1, 0, 8 }, /* R */
1555 { 0, 1, 1, 0, 8 }, /* G */
1556 { 1, 1, 1, 0, 8 }, /* B */
1558 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1560 [AV_PIX_FMT_GBRP10LE] = {
1566 { 2, 1, 1, 0, 9 }, /* R */
1567 { 0, 1, 1, 0, 9 }, /* G */
1568 { 1, 1, 1, 0, 9 }, /* B */
1570 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1572 [AV_PIX_FMT_GBRP10BE] = {
1578 { 2, 1, 1, 0, 9 }, /* R */
1579 { 0, 1, 1, 0, 9 }, /* G */
1580 { 1, 1, 1, 0, 9 }, /* B */
1582 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1584 [AV_PIX_FMT_GBRP12LE] = {
1590 { 2, 1, 1, 0, 11 }, /* R */
1591 { 0, 1, 1, 0, 11 }, /* G */
1592 { 1, 1, 1, 0, 11 }, /* B */
1594 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1596 [AV_PIX_FMT_GBRP12BE] = {
1602 { 2, 1, 1, 0, 11 }, /* R */
1603 { 0, 1, 1, 0, 11 }, /* G */
1604 { 1, 1, 1, 0, 11 }, /* B */
1606 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1608 [AV_PIX_FMT_GBRP14LE] = {
1614 { 2, 1, 1, 0, 13 }, /* R */
1615 { 0, 1, 1, 0, 13 }, /* G */
1616 { 1, 1, 1, 0, 13 }, /* B */
1618 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1620 [AV_PIX_FMT_GBRP14BE] = {
1626 { 2, 1, 1, 0, 13 }, /* R */
1627 { 0, 1, 1, 0, 13 }, /* G */
1628 { 1, 1, 1, 0, 13 }, /* B */
1630 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1632 [AV_PIX_FMT_GBRP16LE] = {
1638 { 2, 1, 1, 0, 15 }, /* R */
1639 { 0, 1, 1, 0, 15 }, /* G */
1640 { 1, 1, 1, 0, 15 }, /* B */
1642 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1644 [AV_PIX_FMT_GBRP16BE] = {
1650 { 2, 1, 1, 0, 15 }, /* R */
1651 { 0, 1, 1, 0, 15 }, /* G */
1652 { 1, 1, 1, 0, 15 }, /* B */
1654 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1656 [AV_PIX_FMT_VDPAU] = {
1660 .flags = PIX_FMT_HWACCEL,
1662 [AV_PIX_FMT_XYZ12LE] = {
1668 { 0, 5, 1, 4, 11 }, /* X */
1669 { 0, 5, 3, 4, 11 }, /* Y */
1670 { 0, 5, 5, 4, 11 }, /* Z */
1672 /*.flags = -- not used*/
1674 [AV_PIX_FMT_XYZ12BE] = {
1680 { 0, 5, 1, 4, 11 }, /* X */
1681 { 0, 5, 3, 4, 11 }, /* Y */
1682 { 0, 5, 5, 4, 11 }, /* Z */
1684 .flags = PIX_FMT_BE,
1688 static enum AVPixelFormat get_pix_fmt_internal(const char *name)
1690 enum AVPixelFormat pix_fmt;
1692 for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++)
1693 if (av_pix_fmt_descriptors[pix_fmt].name &&
1694 !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
1697 return AV_PIX_FMT_NONE;
1700 const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
1702 return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
1703 av_pix_fmt_descriptors[pix_fmt].name : NULL;
1707 # define X_NE(be, le) be
1709 # define X_NE(be, le) le
1712 enum AVPixelFormat av_get_pix_fmt(const char *name)
1714 enum AVPixelFormat pix_fmt;
1716 if (!strcmp(name, "rgb32"))
1717 name = X_NE("argb", "bgra");
1718 else if (!strcmp(name, "bgr32"))
1719 name = X_NE("abgr", "rgba");
1721 pix_fmt = get_pix_fmt_internal(name);
1722 if (pix_fmt == AV_PIX_FMT_NONE) {
1725 snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
1726 pix_fmt = get_pix_fmt_internal(name2);
1731 int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
1734 int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
1736 for (c = 0; c < pixdesc->nb_components; c++) {
1737 int s = c == 1 || c == 2 ? 0 : log2_pixels;
1738 bits += (pixdesc->comp[c].depth_minus1 + 1) << s;
1741 return bits >> log2_pixels;
1744 int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
1747 int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
1750 for (c = 0; c < pixdesc->nb_components; c++) {
1751 const AVComponentDescriptor *comp = &pixdesc->comp[c];
1752 int s = c == 1 || c == 2 ? 0 : log2_pixels;
1753 steps[comp->plane] = (comp->step_minus1 + 1) << s;
1755 for (c = 0; c < 4; c++)
1758 if(!(pixdesc->flags & PIX_FMT_BITSTREAM))
1761 return bits >> log2_pixels;
1764 char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt)
1768 snprintf (buf, buf_size, "name" " nb_components" " nb_bits");
1770 const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
1771 snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,
1772 pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));
1778 const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
1780 if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
1782 return &av_pix_fmt_descriptors[pix_fmt];
1785 const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)
1788 return &av_pix_fmt_descriptors[0];
1789 while (prev - av_pix_fmt_descriptors < FF_ARRAY_ELEMS(av_pix_fmt_descriptors) - 1) {
1797 enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc)
1799 if (desc < av_pix_fmt_descriptors ||
1800 desc >= av_pix_fmt_descriptors + FF_ARRAY_ELEMS(av_pix_fmt_descriptors))
1801 return AV_PIX_FMT_NONE;
1803 return desc - av_pix_fmt_descriptors;
1806 int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
1807 int *h_shift, int *v_shift)
1809 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
1811 return AVERROR(ENOSYS);
1812 *h_shift = desc->log2_chroma_w;
1813 *v_shift = desc->log2_chroma_h;
1818 int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
1820 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
1821 int i, planes[4] = { 0 }, ret = 0;
1824 return AVERROR(EINVAL);
1826 for (i = 0; i < desc->nb_components; i++)
1827 planes[desc->comp[i].plane] = 1;
1828 for (i = 0; i < FF_ARRAY_ELEMS(planes); i++)
1833 void ff_check_pixfmt_descriptors(void){
1836 for (i=0; i<FF_ARRAY_ELEMS(av_pix_fmt_descriptors); i++) {
1837 const AVPixFmtDescriptor *d = &av_pix_fmt_descriptors[i];
1838 uint8_t fill[4][8+6+3] = {{0}};
1839 uint8_t *data[4] = {fill[0], fill[1], fill[2], fill[3]};
1840 int linesize[4] = {0,0,0,0};
1843 if (!d->name && !d->nb_components && !d->log2_chroma_w && !d->log2_chroma_h && !d->flags)
1845 // av_log(NULL, AV_LOG_DEBUG, "Checking: %s\n", d->name);
1846 av_assert0(d->log2_chroma_w <= 3);
1847 av_assert0(d->log2_chroma_h <= 3);
1848 av_assert0(d->nb_components <= 4);
1849 av_assert0(d->name && d->name[0]);
1850 av_assert0((d->nb_components==4 || d->nb_components==2) == !!(d->flags & PIX_FMT_ALPHA));
1851 av_assert2(av_get_pix_fmt(d->name) == i);
1853 for (j=0; j<FF_ARRAY_ELEMS(d->comp); j++) {
1854 const AVComponentDescriptor *c = &d->comp[j];
1855 if(j>=d->nb_components) {
1856 av_assert0(!c->plane && !c->step_minus1 && !c->offset_plus1 && !c->shift && !c->depth_minus1);
1859 if (d->flags & PIX_FMT_BITSTREAM) {
1860 av_assert0(c->step_minus1 >= c->depth_minus1);
1862 av_assert0(8*(c->step_minus1+1) >= c->depth_minus1+1);
1864 av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
1865 av_assert0(tmp[0] == 0 && tmp[1] == 0);
1866 tmp[0] = tmp[1] = (1<<(c->depth_minus1 + 1)) - 1;
1867 av_write_image_line(tmp, data, linesize, d, 0, 0, j, 2);