2 * pixel format descriptor
3 * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 #include "intreadwrite.h"
29 void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
30 const AVPixFmtDescriptor *desc, int x, int y, int c, int w,
31 int read_pal_component)
33 AVComponentDescriptor comp = desc->comp[c];
34 int plane = comp.plane;
35 int depth = comp.depth_minus1 + 1;
36 int mask = (1 << depth) - 1;
37 int shift = comp.shift;
38 int step = comp.step_minus1 + 1;
39 int flags = desc->flags;
41 if (flags & PIX_FMT_BITSTREAM) {
42 int skip = x * step + comp.offset_plus1 - 1;
43 const uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
44 int shift = 8 - depth - (skip & 7);
47 int val = (*p >> shift) & mask;
48 if (read_pal_component)
49 val = data[1][4*val + c];
56 const uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1;
57 int is_8bit = shift + depth <= 8;
60 p += !!(flags & PIX_FMT_BE);
63 int val = is_8bit ? *p :
64 flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
65 val = (val >> shift) & mask;
66 if (read_pal_component)
67 val = data[1][4 * val + c];
74 void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
75 const AVPixFmtDescriptor *desc, int x, int y, int c, int w)
77 AVComponentDescriptor comp = desc->comp[c];
78 int plane = comp.plane;
79 int depth = comp.depth_minus1 + 1;
80 int step = comp.step_minus1 + 1;
81 int flags = desc->flags;
83 if (flags & PIX_FMT_BITSTREAM) {
84 int skip = x * step + comp.offset_plus1 - 1;
85 uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
86 int shift = 8 - depth - (skip & 7);
89 *p |= *src++ << shift;
95 int shift = comp.shift;
96 uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1;
98 if (shift + depth <= 8) {
99 p += !!(flags & PIX_FMT_BE);
101 *p |= (*src++ << shift);
106 if (flags & PIX_FMT_BE) {
107 uint16_t val = AV_RB16(p) | (*src++ << shift);
110 uint16_t val = AV_RL16(p) | (*src++ << shift);
119 const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
120 [PIX_FMT_YUV420P] = {
126 { 0, 0, 1, 0, 7 }, /* Y */
127 { 1, 0, 1, 0, 7 }, /* U */
128 { 2, 0, 1, 0, 7 }, /* V */
130 .flags = PIX_FMT_PLANAR,
132 [PIX_FMT_YUYV422] = {
138 { 0, 1, 1, 0, 7 }, /* Y */
139 { 0, 3, 2, 0, 7 }, /* U */
140 { 0, 3, 4, 0, 7 }, /* V */
149 { 0, 2, 1, 0, 7 }, /* R */
150 { 0, 2, 2, 0, 7 }, /* G */
151 { 0, 2, 3, 0, 7 }, /* B */
153 .flags = PIX_FMT_RGB,
161 { 0, 2, 1, 0, 7 }, /* B */
162 { 0, 2, 2, 0, 7 }, /* G */
163 { 0, 2, 3, 0, 7 }, /* R */
165 .flags = PIX_FMT_RGB,
167 [PIX_FMT_YUV422P] = {
173 { 0, 0, 1, 0, 7 }, /* Y */
174 { 1, 0, 1, 0, 7 }, /* U */
175 { 2, 0, 1, 0, 7 }, /* V */
177 .flags = PIX_FMT_PLANAR,
179 [PIX_FMT_YUV444P] = {
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 [PIX_FMT_YUV410P] = {
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 [PIX_FMT_YUV411P] = {
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,
221 { 0, 0, 1, 0, 7 }, /* Y */
224 [PIX_FMT_MONOWHITE] = {
230 { 0, 0, 1, 0, 0 }, /* Y */
232 .flags = PIX_FMT_BITSTREAM,
234 [PIX_FMT_MONOBLACK] = {
240 { 0, 0, 1, 7, 0 }, /* Y */
242 .flags = PIX_FMT_BITSTREAM,
252 .flags = PIX_FMT_PAL,
254 [PIX_FMT_YUVJ420P] = {
260 { 0, 0, 1, 0, 7 }, /* Y */
261 { 1, 0, 1, 0, 7 }, /* U */
262 { 2, 0, 1, 0, 7 }, /* V */
264 .flags = PIX_FMT_PLANAR,
266 [PIX_FMT_YUVJ422P] = {
272 { 0, 0, 1, 0, 7 }, /* Y */
273 { 1, 0, 1, 0, 7 }, /* U */
274 { 2, 0, 1, 0, 7 }, /* V */
276 .flags = PIX_FMT_PLANAR,
278 [PIX_FMT_YUVJ444P] = {
284 {0, 0, 1, 0, 7}, /* Y */
285 {1, 0, 1, 0, 7}, /* U */
286 {2, 0, 1, 0, 7}, /* V */
288 .flags = PIX_FMT_PLANAR,
290 [PIX_FMT_XVMC_MPEG2_MC] = {
292 .flags = PIX_FMT_HWACCEL,
294 [PIX_FMT_XVMC_MPEG2_IDCT] = {
296 .flags = PIX_FMT_HWACCEL,
298 [PIX_FMT_UYVY422] = {
304 { 0, 1, 2, 0, 7 }, /* Y */
305 { 0, 3, 1, 0, 7 }, /* U */
306 { 0, 3, 3, 0, 7 }, /* V */
309 [PIX_FMT_UYYVYY411] = {
315 { 0, 3, 2, 0, 7 }, /* Y */
316 { 0, 5, 1, 0, 7 }, /* U */
317 { 0, 5, 4, 0, 7 }, /* V */
326 { 0, 0, 1, 6, 1 }, /* B */
327 { 0, 0, 1, 3, 2 }, /* G */
328 { 0, 0, 1, 0, 2 }, /* R */
330 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
338 { 0, 3, 1, 0, 0 }, /* B */
339 { 0, 3, 2, 0, 1 }, /* G */
340 { 0, 3, 4, 0, 0 }, /* R */
342 .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
344 [PIX_FMT_BGR4_BYTE] = {
350 { 0, 0, 1, 3, 0 }, /* B */
351 { 0, 0, 1, 1, 1 }, /* G */
352 { 0, 0, 1, 0, 0 }, /* R */
354 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
362 { 0, 0, 1, 6, 1 }, /* R */
363 { 0, 0, 1, 3, 2 }, /* G */
364 { 0, 0, 1, 0, 2 }, /* B */
366 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
374 { 0, 3, 1, 0, 0 }, /* R */
375 { 0, 3, 2, 0, 1 }, /* G */
376 { 0, 3, 4, 0, 0 }, /* B */
378 .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,
380 [PIX_FMT_RGB4_BYTE] = {
386 { 0, 0, 1, 3, 0 }, /* R */
387 { 0, 0, 1, 1, 1 }, /* G */
388 { 0, 0, 1, 0, 0 }, /* B */
390 .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,
398 { 0,0,1,0,7 }, /* Y */
399 { 1,1,1,0,7 }, /* U */
400 { 1,1,2,0,7 }, /* V */
402 .flags = PIX_FMT_PLANAR,
410 { 0, 0, 1, 0, 7 }, /* Y */
411 { 1, 1, 1, 0, 7 }, /* V */
412 { 1, 1, 2, 0, 7 }, /* U */
414 .flags = PIX_FMT_PLANAR,
422 { 0, 3, 1, 0, 7 }, /* A */
423 { 0, 3, 2, 0, 7 }, /* R */
424 { 0, 3, 3, 0, 7 }, /* G */
425 { 0, 3, 4, 0, 7 }, /* B */
427 .flags = PIX_FMT_RGB,
435 { 0, 3, 1, 0, 7 }, /* R */
436 { 0, 3, 2, 0, 7 }, /* G */
437 { 0, 3, 3, 0, 7 }, /* B */
438 { 0, 3, 4, 0, 7 }, /* A */
440 .flags = PIX_FMT_RGB,
448 { 0, 3, 1, 0, 7 }, /* A */
449 { 0, 3, 2, 0, 7 }, /* B */
450 { 0, 3, 3, 0, 7 }, /* G */
451 { 0, 3, 4, 0, 7 }, /* R */
453 .flags = PIX_FMT_RGB,
461 { 0, 3, 1, 0, 7 }, /* B */
462 { 0, 3, 2, 0, 7 }, /* G */
463 { 0, 3, 3, 0, 7 }, /* R */
464 { 0, 3, 4, 0, 7 }, /* A */
466 .flags = PIX_FMT_RGB,
468 [PIX_FMT_GRAY16BE] = {
474 { 0, 1, 1, 0, 15 }, /* Y */
478 [PIX_FMT_GRAY16LE] = {
484 { 0, 1, 1, 0, 15 }, /* Y */
487 [PIX_FMT_YUV440P] = {
493 { 0, 0, 1, 0, 7 }, /* Y */
494 { 1, 0, 1, 0, 7 }, /* U */
495 { 2, 0, 1, 0, 7 }, /* V */
497 .flags = PIX_FMT_PLANAR,
499 [PIX_FMT_YUVJ440P] = {
505 { 0, 0, 1, 0, 7 }, /* Y */
506 { 1, 0, 1, 0, 7 }, /* U */
507 { 2, 0, 1, 0, 7 }, /* V */
509 .flags = PIX_FMT_PLANAR,
511 [PIX_FMT_YUVA420P] = {
517 { 0, 0, 1, 0, 7 }, /* Y */
518 { 1, 0, 1, 0, 7 }, /* U */
519 { 2, 0, 1, 0, 7 }, /* V */
520 { 3, 0, 1, 0, 7 }, /* A */
522 .flags = PIX_FMT_PLANAR,
524 [PIX_FMT_VDPAU_H264] = {
525 .name = "vdpau_h264",
528 .flags = PIX_FMT_HWACCEL,
530 [PIX_FMT_VDPAU_MPEG1] = {
531 .name = "vdpau_mpeg1",
534 .flags = PIX_FMT_HWACCEL,
536 [PIX_FMT_VDPAU_MPEG2] = {
537 .name = "vdpau_mpeg2",
540 .flags = PIX_FMT_HWACCEL,
542 [PIX_FMT_VDPAU_WMV3] = {
543 .name = "vdpau_wmv3",
546 .flags = PIX_FMT_HWACCEL,
548 [PIX_FMT_VDPAU_VC1] = {
552 .flags = PIX_FMT_HWACCEL,
554 [PIX_FMT_VDPAU_MPEG4] = {
555 .name = "vdpau_mpeg4",
558 .flags = PIX_FMT_HWACCEL,
560 [PIX_FMT_RGB48BE] = {
566 { 0, 5, 1, 0, 15 }, /* R */
567 { 0, 5, 3, 0, 15 }, /* G */
568 { 0, 5, 5, 0, 15 }, /* B */
570 .flags = PIX_FMT_RGB | PIX_FMT_BE,
572 [PIX_FMT_RGB48LE] = {
578 { 0, 5, 1, 0, 15 }, /* R */
579 { 0, 5, 3, 0, 15 }, /* G */
580 { 0, 5, 5, 0, 15 }, /* B */
582 .flags = PIX_FMT_RGB,
584 [PIX_FMT_RGB565BE] = {
590 { 0, 1, 0, 3, 4 }, /* R */
591 { 0, 1, 1, 5, 5 }, /* G */
592 { 0, 1, 1, 0, 4 }, /* B */
594 .flags = PIX_FMT_BE | PIX_FMT_RGB,
596 [PIX_FMT_RGB565LE] = {
602 { 0, 1, 2, 3, 4 }, /* R */
603 { 0, 1, 1, 5, 5 }, /* G */
604 { 0, 1, 1, 0, 4 }, /* B */
606 .flags = PIX_FMT_RGB,
608 [PIX_FMT_RGB555BE] = {
614 { 0, 1, 0, 2, 4 }, /* R */
615 { 0, 1, 1, 5, 4 }, /* G */
616 { 0, 1, 1, 0, 4 }, /* B */
618 .flags = PIX_FMT_BE | PIX_FMT_RGB,
620 [PIX_FMT_RGB555LE] = {
626 { 0, 1, 2, 2, 4 }, /* R */
627 { 0, 1, 1, 5, 4 }, /* G */
628 { 0, 1, 1, 0, 4 }, /* B */
630 .flags = PIX_FMT_RGB,
632 [PIX_FMT_RGB444BE] = {
638 { 0, 1, 0, 0, 3 }, /* R */
639 { 0, 1, 1, 4, 3 }, /* G */
640 { 0, 1, 1, 0, 3 }, /* B */
642 .flags = PIX_FMT_BE | PIX_FMT_RGB,
644 [PIX_FMT_RGB444LE] = {
650 { 0, 1, 2, 0, 3 }, /* R */
651 { 0, 1, 1, 4, 3 }, /* G */
652 { 0, 1, 1, 0, 3 }, /* B */
654 .flags = PIX_FMT_RGB,
656 [PIX_FMT_BGR48BE] = {
662 { 0, 5, 1, 0, 15 }, /* B */
663 { 0, 5, 3, 0, 15 }, /* G */
664 { 0, 5, 5, 0, 15 }, /* R */
666 .flags = PIX_FMT_BE | PIX_FMT_RGB,
668 [PIX_FMT_BGR48LE] = {
674 { 0, 5, 1, 0, 15 }, /* B */
675 { 0, 5, 3, 0, 15 }, /* G */
676 { 0, 5, 5, 0, 15 }, /* R */
678 .flags = PIX_FMT_RGB,
680 [PIX_FMT_BGR565BE] = {
686 { 0, 1, 0, 3, 4 }, /* B */
687 { 0, 1, 1, 5, 5 }, /* G */
688 { 0, 1, 1, 0, 4 }, /* R */
690 .flags = PIX_FMT_BE | PIX_FMT_RGB,
692 [PIX_FMT_BGR565LE] = {
698 { 0, 1, 2, 3, 4 }, /* B */
699 { 0, 1, 1, 5, 5 }, /* G */
700 { 0, 1, 1, 0, 4 }, /* R */
702 .flags = PIX_FMT_RGB,
704 [PIX_FMT_BGR555BE] = {
710 { 0, 1, 0, 2, 4 }, /* B */
711 { 0, 1, 1, 5, 4 }, /* G */
712 { 0, 1, 1, 0, 4 }, /* R */
714 .flags = PIX_FMT_BE | PIX_FMT_RGB,
716 [PIX_FMT_BGR555LE] = {
722 { 0, 1, 2, 2, 4 }, /* B */
723 { 0, 1, 1, 5, 4 }, /* G */
724 { 0, 1, 1, 0, 4 }, /* R */
726 .flags = PIX_FMT_RGB,
728 [PIX_FMT_BGR444BE] = {
734 { 0, 1, 0, 0, 3 }, /* B */
735 { 0, 1, 1, 4, 3 }, /* G */
736 { 0, 1, 1, 0, 3 }, /* R */
738 .flags = PIX_FMT_BE | PIX_FMT_RGB,
740 [PIX_FMT_BGR444LE] = {
746 { 0, 1, 2, 0, 3 }, /* B */
747 { 0, 1, 1, 4, 3 }, /* G */
748 { 0, 1, 1, 0, 3 }, /* R */
750 .flags = PIX_FMT_RGB,
752 [PIX_FMT_VAAPI_MOCO] = {
753 .name = "vaapi_moco",
756 .flags = PIX_FMT_HWACCEL,
758 [PIX_FMT_VAAPI_IDCT] = {
759 .name = "vaapi_idct",
762 .flags = PIX_FMT_HWACCEL,
764 [PIX_FMT_VAAPI_VLD] = {
768 .flags = PIX_FMT_HWACCEL,
770 [PIX_FMT_VDA_VLD] = {
774 .flags = PIX_FMT_HWACCEL,
776 [PIX_FMT_YUV420P9LE] = {
777 .name = "yuv420p9le",
782 { 0, 1, 1, 0, 8 }, /* Y */
783 { 1, 1, 1, 0, 8 }, /* U */
784 { 2, 1, 1, 0, 8 }, /* V */
786 .flags = PIX_FMT_PLANAR,
788 [PIX_FMT_YUV420P9BE] = {
789 .name = "yuv420p9be",
794 { 0, 1, 1, 0, 8 }, /* Y */
795 { 1, 1, 1, 0, 8 }, /* U */
796 { 2, 1, 1, 0, 8 }, /* V */
798 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
800 [PIX_FMT_YUV420P10LE] = {
801 .name = "yuv420p10le",
806 { 0, 1, 1, 0, 9 }, /* Y */
807 { 1, 1, 1, 0, 9 }, /* U */
808 { 2, 1, 1, 0, 9 }, /* V */
810 .flags = PIX_FMT_PLANAR,
812 [PIX_FMT_YUV420P10BE] = {
813 .name = "yuv420p10be",
818 { 0, 1, 1, 0, 9 }, /* Y */
819 { 1, 1, 1, 0, 9 }, /* U */
820 { 2, 1, 1, 0, 9 }, /* V */
822 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
824 [PIX_FMT_YUV420P16LE] = {
825 .name = "yuv420p16le",
830 { 0, 1, 1, 0, 15 }, /* Y */
831 { 1, 1, 1, 0, 15 }, /* U */
832 { 2, 1, 1, 0, 15 }, /* V */
834 .flags = PIX_FMT_PLANAR,
836 [PIX_FMT_YUV420P16BE] = {
837 .name = "yuv420p16be",
842 { 0, 1, 1, 0, 15 }, /* Y */
843 { 1, 1, 1, 0, 15 }, /* U */
844 { 2, 1, 1, 0, 15 }, /* V */
846 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
848 [PIX_FMT_YUV422P9LE] = {
849 .name = "yuv422p9le",
854 { 0, 1, 1, 0, 8 }, /* Y */
855 { 1, 1, 1, 0, 8 }, /* U */
856 { 2, 1, 1, 0, 8 }, /* V */
858 .flags = PIX_FMT_PLANAR,
860 [PIX_FMT_YUV422P9BE] = {
861 .name = "yuv422p9be",
870 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
872 [PIX_FMT_YUV422P10LE] = {
873 .name = "yuv422p10le",
878 { 0, 1, 1, 0, 9 }, /* Y */
879 { 1, 1, 1, 0, 9 }, /* U */
880 { 2, 1, 1, 0, 9 }, /* V */
882 .flags = PIX_FMT_PLANAR,
884 [PIX_FMT_YUV422P10BE] = {
885 .name = "yuv422p10be",
890 { 0, 1, 1, 0, 9 }, /* Y */
891 { 1, 1, 1, 0, 9 }, /* U */
892 { 2, 1, 1, 0, 9 }, /* V */
894 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
896 [PIX_FMT_YUV422P16LE] = {
897 .name = "yuv422p16le",
902 { 0, 1, 1, 0, 15 }, /* Y */
903 { 1, 1, 1, 0, 15 }, /* U */
904 { 2, 1, 1, 0, 15 }, /* V */
906 .flags = PIX_FMT_PLANAR,
908 [PIX_FMT_YUV422P16BE] = {
909 .name = "yuv422p16be",
914 { 0, 1, 1, 0, 15 }, /* Y */
915 { 1, 1, 1, 0, 15 }, /* U */
916 { 2, 1, 1, 0, 15 }, /* V */
918 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
920 [PIX_FMT_YUV444P16LE] = {
921 .name = "yuv444p16le",
926 { 0, 1, 1, 0, 15 }, /* Y */
927 { 1, 1, 1, 0, 15 }, /* U */
928 { 2, 1, 1, 0, 15 }, /* V */
930 .flags = PIX_FMT_PLANAR,
932 [PIX_FMT_YUV444P16BE] = {
933 .name = "yuv444p16be",
938 { 0, 1, 1, 0, 15 }, /* Y */
939 { 1, 1, 1, 0, 15 }, /* U */
940 { 2, 1, 1, 0, 15 }, /* V */
942 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
944 [PIX_FMT_YUV444P10LE] = {
945 .name = "yuv444p10le",
950 { 0, 1, 1, 0, 9 }, /* Y */
951 { 1, 1, 1, 0, 9 }, /* U */
952 { 2, 1, 1, 0, 9 }, /* V */
954 .flags = PIX_FMT_PLANAR,
956 [PIX_FMT_YUV444P10BE] = {
957 .name = "yuv444p10be",
962 { 0, 1, 1, 0, 9 }, /* Y */
963 { 1, 1, 1, 0, 9 }, /* U */
964 { 2, 1, 1, 0, 9 }, /* V */
966 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
968 [PIX_FMT_YUV444P9LE] = {
969 .name = "yuv444p9le",
974 { 0, 1, 1, 0, 8 }, /* Y */
975 { 1, 1, 1, 0, 8 }, /* U */
976 { 2, 1, 1, 0, 8 }, /* V */
978 .flags = PIX_FMT_PLANAR,
980 [PIX_FMT_YUV444P9BE] = {
981 .name = "yuv444p9be",
986 { 0, 1, 1, 0, 8 }, /* Y */
987 { 1, 1, 1, 0, 8 }, /* U */
988 { 2, 1, 1, 0, 8 }, /* V */
990 .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
992 [PIX_FMT_DXVA2_VLD] = {
996 .flags = PIX_FMT_HWACCEL,
1002 { 0, 1, 1, 0, 7 }, /* Y */
1003 { 0, 1, 2, 0, 7 }, /* A */
1012 { 0, 0, 1, 0, 7 }, /* G */
1013 { 1, 0, 1, 0, 7 }, /* B */
1014 { 2, 0, 1, 0, 7 }, /* R */
1016 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1018 [PIX_FMT_GBRP9LE] = {
1024 { 0, 1, 1, 0, 8 }, /* G */
1025 { 1, 1, 1, 0, 8 }, /* B */
1026 { 2, 1, 1, 0, 8 }, /* R */
1028 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1030 [PIX_FMT_GBRP9BE] = {
1036 { 0, 1, 1, 0, 8 }, /* G */
1037 { 1, 1, 1, 0, 8 }, /* B */
1038 { 2, 1, 1, 0, 8 }, /* R */
1040 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1042 [PIX_FMT_GBRP10LE] = {
1048 { 0, 1, 1, 0, 9 }, /* G */
1049 { 1, 1, 1, 0, 9 }, /* B */
1050 { 2, 1, 1, 0, 9 }, /* R */
1052 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1054 [PIX_FMT_GBRP10BE] = {
1060 { 0, 1, 1, 0, 9 }, /* G */
1061 { 1, 1, 1, 0, 9 }, /* B */
1062 { 2, 1, 1, 0, 9 }, /* R */
1064 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1066 [PIX_FMT_GBRP16LE] = {
1072 { 0, 1, 1, 0, 15 }, /* G */
1073 { 1, 1, 1, 0, 15 }, /* B */
1074 { 2, 1, 1, 0, 15 }, /* R */
1076 .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,
1078 [PIX_FMT_GBRP16BE] = {
1084 { 0, 1, 1, 0, 15 }, /* G */
1085 { 1, 1, 1, 0, 15 }, /* B */
1086 { 2, 1, 1, 0, 15 }, /* R */
1088 .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,
1092 static enum PixelFormat get_pix_fmt_internal(const char *name)
1094 enum PixelFormat pix_fmt;
1096 for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
1097 if (av_pix_fmt_descriptors[pix_fmt].name &&
1098 !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
1101 return PIX_FMT_NONE;
1104 const char *av_get_pix_fmt_name(enum PixelFormat pix_fmt)
1106 return (unsigned)pix_fmt < PIX_FMT_NB ?
1107 av_pix_fmt_descriptors[pix_fmt].name : NULL;
1111 # define X_NE(be, le) be
1113 # define X_NE(be, le) le
1116 enum PixelFormat av_get_pix_fmt(const char *name)
1118 enum PixelFormat pix_fmt;
1120 if (!strcmp(name, "rgb32"))
1121 name = X_NE("argb", "bgra");
1122 else if (!strcmp(name, "bgr32"))
1123 name = X_NE("abgr", "rgba");
1125 pix_fmt = get_pix_fmt_internal(name);
1126 if (pix_fmt == PIX_FMT_NONE) {
1129 snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
1130 pix_fmt = get_pix_fmt_internal(name2);
1135 int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
1138 int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
1140 for (c = 0; c < pixdesc->nb_components; c++) {
1141 int s = c == 1 || c == 2 ? 0 : log2_pixels;
1142 bits += (pixdesc->comp[c].depth_minus1 + 1) << s;
1145 return bits >> log2_pixels;
1148 char *av_get_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt)
1152 snprintf (buf, buf_size, "name" " nb_components" " nb_bits");
1154 const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
1155 snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,
1156 pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));