1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/video_frame.h"
#include <algorithm>
#include <climits>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/aligned_memory.h"
#include "base/strings/string_piece.h"
#include "base/strings/stringprintf.h"
#include "build/build_config.h"
#include "media/base/limits.h"
#include "media/base/timestamp_constants.h"
#include "media/base/video_util.h"
#include "ui/gfx/geometry/point.h"
namespace media {
static bool IsPowerOfTwo(size_t x) {
return x != 0 && (x & (x - 1)) == 0;
}
static inline size_t RoundUp(size_t value, size_t alignment) {
DCHECK(IsPowerOfTwo(alignment));
return ((value + (alignment - 1)) & ~(alignment - 1));
}
static inline size_t RoundDown(size_t value, size_t alignment) {
DCHECK(IsPowerOfTwo(alignment));
return value & ~(alignment - 1);
}
static std::string ConfigToString(const VideoPixelFormat format,
const VideoFrame::StorageType storage_type,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size) {
return base::StringPrintf(
"format:%s coded_size:%s visible_rect:%s natural_size:%s",
VideoPixelFormatToString(format).c_str(), coded_size.ToString().c_str(),
visible_rect.ToString().c_str(), natural_size.ToString().c_str());
}
static std::string StorageTypeToString(
const VideoFrame::StorageType storage_type) {
switch (storage_type) {
case VideoFrame::STORAGE_UNKNOWN:
return "UNKNOWN";
case VideoFrame::STORAGE_OPAQUE:
return "OPAQUE";
case VideoFrame::STORAGE_UNOWNED_MEMORY:
return "UNOWNED_MEMORY";
case VideoFrame::STORAGE_OWNED_MEMORY:
return "OWNED_MEMORY";
case VideoFrame::STORAGE_SHMEM:
return "SHMEM";
#if defined(OS_LINUX)
case VideoFrame::STORAGE_DMABUFS:
return "DMABUFS";
#endif
#if defined(VIDEO_HOLE)
case VideoFrame::STORAGE_HOLE:
return "HOLE";
#endif
case VideoFrame::STORAGE_GPU_MEMORY_BUFFERS:
return "GPU_MEMORY_BUFFERS";
}
NOTREACHED() << "Invalid StorageType provided: " << storage_type;
return "INVALID";
}
// Returns true if |plane| is a valid plane index for the given |format|.
static bool IsValidPlane(size_t plane, VideoPixelFormat format) {
DCHECK_LE(VideoFrame::NumPlanes(format),
static_cast<size_t>(VideoFrame::kMaxPlanes));
return (plane < VideoFrame::NumPlanes(format));
}
// Returns true if |frame| is accesible mapped in the VideoFrame memory space.
// static
static bool IsStorageTypeMappable(VideoFrame::StorageType storage_type) {
return
#if defined(OS_LINUX)
// This is not strictly needed but makes explicit that, at VideoFrame
// level, DmaBufs are not mappable from userspace.
storage_type != VideoFrame::STORAGE_DMABUFS &&
#endif
(storage_type == VideoFrame::STORAGE_UNOWNED_MEMORY ||
storage_type == VideoFrame::STORAGE_OWNED_MEMORY ||
storage_type == VideoFrame::STORAGE_SHMEM ||
storage_type == VideoFrame::STORAGE_GPU_MEMORY_BUFFERS);
}
// Returns the pixel size per element for given |plane| and |format|. E.g. 2x2
// for the U-plane in PIXEL_FORMAT_I420.
static gfx::Size SampleSize(VideoPixelFormat format, size_t plane) {
DCHECK(IsValidPlane(plane, format));
switch (plane) {
case VideoFrame::kYPlane:
case VideoFrame::kAPlane:
return gfx::Size(1, 1);
case VideoFrame::kUPlane: // and VideoFrame::kUVPlane:
case VideoFrame::kVPlane:
switch (format) {
case PIXEL_FORMAT_YV24:
case PIXEL_FORMAT_YUV444P9:
case PIXEL_FORMAT_YUV444P10:
return gfx::Size(1, 1);
case PIXEL_FORMAT_YV16:
case PIXEL_FORMAT_YUV422P9:
case PIXEL_FORMAT_YUV422P10:
return gfx::Size(2, 1);
case PIXEL_FORMAT_YV12:
case PIXEL_FORMAT_I420:
case PIXEL_FORMAT_YV12A:
case PIXEL_FORMAT_NV12:
case PIXEL_FORMAT_NV21:
case PIXEL_FORMAT_MT21:
case PIXEL_FORMAT_YUV420P9:
case PIXEL_FORMAT_YUV420P10:
return gfx::Size(2, 2);
case PIXEL_FORMAT_UNKNOWN:
case PIXEL_FORMAT_UYVY:
case PIXEL_FORMAT_YUY2:
case PIXEL_FORMAT_ARGB:
case PIXEL_FORMAT_XRGB:
case PIXEL_FORMAT_RGB24:
case PIXEL_FORMAT_RGB32:
case PIXEL_FORMAT_MJPEG:
break;
}
}
NOTREACHED();
return gfx::Size();
}
// Return the alignment for the whole frame, calculated as the max of the
// alignment for each individual plane.
static gfx::Size CommonAlignment(VideoPixelFormat format) {
int max_sample_width = 0;
int max_sample_height = 0;
for (size_t plane = 0; plane < VideoFrame::NumPlanes(format); ++plane) {
const gfx::Size sample_size = SampleSize(format, plane);
max_sample_width = std::max(max_sample_width, sample_size.width());
max_sample_height = std::max(max_sample_height, sample_size.height());
}
return gfx::Size(max_sample_width, max_sample_height);
}
// Returns the number of bytes per element for given |plane| and |format|.
static int BytesPerElement(VideoPixelFormat format, size_t plane) {
DCHECK(IsValidPlane(plane, format));
switch (format) {
case PIXEL_FORMAT_ARGB:
case PIXEL_FORMAT_XRGB:
case PIXEL_FORMAT_RGB32:
return 4;
case PIXEL_FORMAT_RGB24:
return 3;
case PIXEL_FORMAT_UYVY:
case PIXEL_FORMAT_YUY2:
case PIXEL_FORMAT_YUV420P9:
case PIXEL_FORMAT_YUV422P9:
case PIXEL_FORMAT_YUV444P9:
case PIXEL_FORMAT_YUV420P10:
case PIXEL_FORMAT_YUV422P10:
case PIXEL_FORMAT_YUV444P10:
return 2;
case PIXEL_FORMAT_NV12:
case PIXEL_FORMAT_NV21:
case PIXEL_FORMAT_MT21: {
static const int bytes_per_element[] = {1, 2};
DCHECK_LT(plane, arraysize(bytes_per_element));
return bytes_per_element[plane];
}
case PIXEL_FORMAT_YV12:
case PIXEL_FORMAT_I420:
case PIXEL_FORMAT_YV16:
case PIXEL_FORMAT_YV12A:
case PIXEL_FORMAT_YV24:
return 1;
case PIXEL_FORMAT_MJPEG:
return 0;
case PIXEL_FORMAT_UNKNOWN:
break;
}
NOTREACHED();
return 0;
}
// static
bool VideoFrame::IsValidConfig(VideoPixelFormat format,
StorageType storage_type,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size) {
// Check maximum limits for all formats.
int coded_size_area = coded_size.GetCheckedArea().ValueOrDefault(INT_MAX);
int natural_size_area = natural_size.GetCheckedArea().ValueOrDefault(INT_MAX);
static_assert(limits::kMaxCanvas < INT_MAX, "");
if (coded_size_area > limits::kMaxCanvas ||
coded_size.width() > limits::kMaxDimension ||
coded_size.height() > limits::kMaxDimension || visible_rect.x() < 0 ||
visible_rect.y() < 0 || visible_rect.right() > coded_size.width() ||
visible_rect.bottom() > coded_size.height() ||
natural_size_area > limits::kMaxCanvas ||
natural_size.width() > limits::kMaxDimension ||
natural_size.height() > limits::kMaxDimension)
return false;
// TODO(mcasas): Remove parameter |storage_type| when the opaque storage types
// comply with the checks below. Right now we skip them.
if (!IsStorageTypeMappable(storage_type))
return true;
// Make sure new formats are properly accounted for in the method.
static_assert(PIXEL_FORMAT_MAX == 21,
"Added pixel format, please review IsValidConfig()");
if (format == PIXEL_FORMAT_UNKNOWN) {
return coded_size.IsEmpty() && visible_rect.IsEmpty() &&
natural_size.IsEmpty();
}
// Check that software-allocated buffer formats are not empty.
return !coded_size.IsEmpty() && !visible_rect.IsEmpty() &&
!natural_size.IsEmpty();
}
// static
scoped_refptr<VideoFrame> VideoFrame::CreateFrame(VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp) {
return CreateFrameInternal(format, coded_size, visible_rect, natural_size,
timestamp, false);
}
// static
scoped_refptr<VideoFrame> VideoFrame::CreateZeroInitializedFrame(
VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp) {
return CreateFrameInternal(format, coded_size, visible_rect, natural_size,
timestamp, true);
}
// static
scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture(
VideoPixelFormat format,
const gpu::MailboxHolder& mailbox_holder,
const ReleaseMailboxCB& mailbox_holder_release_cb,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp) {
if (format != PIXEL_FORMAT_ARGB && format != PIXEL_FORMAT_XRGB &&
format != PIXEL_FORMAT_UYVY && format != PIXEL_FORMAT_NV12) {
LOG(DFATAL) << "Unsupported pixel format supported, got "
<< VideoPixelFormatToString(format);
return nullptr;
}
const StorageType storage = STORAGE_OPAQUE;
if (!IsValidConfig(format, storage, coded_size, visible_rect, natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, coded_size, visible_rect,
natural_size);
return nullptr;
}
gpu::MailboxHolder mailbox_holders[kMaxPlanes];
mailbox_holders[kARGBPlane] = mailbox_holder;
return new VideoFrame(format, storage, coded_size, visible_rect, natural_size,
mailbox_holders, mailbox_holder_release_cb, timestamp);
}
// static
scoped_refptr<VideoFrame> VideoFrame::WrapYUV420NativeTextures(
const gpu::MailboxHolder& y_mailbox_holder,
const gpu::MailboxHolder& u_mailbox_holder,
const gpu::MailboxHolder& v_mailbox_holder,
const ReleaseMailboxCB& mailbox_holder_release_cb,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp) {
const StorageType storage = STORAGE_OPAQUE;
VideoPixelFormat format = PIXEL_FORMAT_I420;
if (!IsValidConfig(format, storage, coded_size, visible_rect, natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, coded_size, visible_rect,
natural_size);
return nullptr;
}
gpu::MailboxHolder mailbox_holders[kMaxPlanes];
mailbox_holders[kYPlane] = y_mailbox_holder;
mailbox_holders[kUPlane] = u_mailbox_holder;
mailbox_holders[kVPlane] = v_mailbox_holder;
return new VideoFrame(format, storage, coded_size, visible_rect, natural_size,
mailbox_holders, mailbox_holder_release_cb, timestamp);
}
// static
scoped_refptr<VideoFrame> VideoFrame::WrapExternalData(
VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
uint8_t* data,
size_t data_size,
base::TimeDelta timestamp) {
return WrapExternalStorage(format, STORAGE_UNOWNED_MEMORY, coded_size,
visible_rect, natural_size, data, data_size,
timestamp, base::SharedMemory::NULLHandle(), 0);
}
// static
scoped_refptr<VideoFrame> VideoFrame::WrapExternalSharedMemory(
VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
uint8_t* data,
size_t data_size,
base::SharedMemoryHandle handle,
size_t data_offset,
base::TimeDelta timestamp) {
return WrapExternalStorage(format, STORAGE_SHMEM, coded_size, visible_rect,
natural_size, data, data_size, timestamp, handle,
data_offset);
}
// static
scoped_refptr<VideoFrame> VideoFrame::WrapExternalYuvData(
VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
int32_t y_stride,
int32_t u_stride,
int32_t v_stride,
uint8_t* y_data,
uint8_t* u_data,
uint8_t* v_data,
base::TimeDelta timestamp) {
const StorageType storage = STORAGE_UNOWNED_MEMORY;
if (!IsValidConfig(format, storage, coded_size, visible_rect, natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, coded_size, visible_rect,
natural_size);
return nullptr;
}
scoped_refptr<VideoFrame> frame(new VideoFrame(
format, storage, coded_size, visible_rect, natural_size, timestamp));
frame->strides_[kYPlane] = y_stride;
frame->strides_[kUPlane] = u_stride;
frame->strides_[kVPlane] = v_stride;
frame->data_[kYPlane] = y_data;
frame->data_[kUPlane] = u_data;
frame->data_[kVPlane] = v_data;
return frame;
}
// static
scoped_refptr<VideoFrame> VideoFrame::WrapExternalYuvGpuMemoryBuffers(
VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
int32_t y_stride,
int32_t u_stride,
int32_t v_stride,
uint8_t* y_data,
uint8_t* u_data,
uint8_t* v_data,
const gfx::GpuMemoryBufferHandle& y_handle,
const gfx::GpuMemoryBufferHandle& u_handle,
const gfx::GpuMemoryBufferHandle& v_handle,
base::TimeDelta timestamp) {
const StorageType storage = STORAGE_GPU_MEMORY_BUFFERS;
if (!IsValidConfig(format, storage, coded_size, visible_rect, natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, coded_size, visible_rect,
natural_size);
return nullptr;
}
scoped_refptr<VideoFrame> frame(new VideoFrame(
format, storage, coded_size, visible_rect, natural_size, timestamp));
frame->strides_[kYPlane] = y_stride;
frame->strides_[kUPlane] = u_stride;
frame->strides_[kVPlane] = v_stride;
frame->data_[kYPlane] = y_data;
frame->data_[kUPlane] = u_data;
frame->data_[kVPlane] = v_data;
frame->gpu_memory_buffer_handles_.push_back(y_handle);
frame->gpu_memory_buffer_handles_.push_back(u_handle);
frame->gpu_memory_buffer_handles_.push_back(v_handle);
return frame;
}
#if defined(OS_LINUX)
// static
scoped_refptr<VideoFrame> VideoFrame::WrapExternalDmabufs(
VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
const std::vector<int>& dmabuf_fds,
base::TimeDelta timestamp) {
#if defined(OS_CHROMEOS)
DCHECK_EQ(format, PIXEL_FORMAT_NV12);
#endif
const StorageType storage = STORAGE_DMABUFS;
if (!IsValidConfig(format, storage, coded_size, visible_rect, natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, coded_size, visible_rect,
natural_size);
return nullptr;
}
gpu::MailboxHolder mailbox_holders[kMaxPlanes];
scoped_refptr<VideoFrame> frame =
new VideoFrame(format, storage, coded_size, visible_rect, natural_size,
mailbox_holders, ReleaseMailboxCB(), timestamp);
if (!frame || !frame->DuplicateFileDescriptors(dmabuf_fds)) {
LOG(DFATAL) << __FUNCTION__ << " Couldn't duplicate fds.";
return nullptr;
}
return frame;
}
#endif
#if defined(OS_MACOSX)
// static
scoped_refptr<VideoFrame> VideoFrame::WrapCVPixelBuffer(
CVPixelBufferRef cv_pixel_buffer,
base::TimeDelta timestamp) {
DCHECK(cv_pixel_buffer);
DCHECK(CFGetTypeID(cv_pixel_buffer) == CVPixelBufferGetTypeID());
const OSType cv_format = CVPixelBufferGetPixelFormatType(cv_pixel_buffer);
VideoPixelFormat format;
// There are very few compatible CV pixel formats, so just check each.
if (cv_format == kCVPixelFormatType_420YpCbCr8Planar) {
format = PIXEL_FORMAT_I420;
} else if (cv_format == kCVPixelFormatType_444YpCbCr8) {
format = PIXEL_FORMAT_YV24;
} else if (cv_format == '420v') {
// TODO(jfroy): Use kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange when the
// minimum OS X and iOS SDKs permits it.
format = PIXEL_FORMAT_NV12;
} else {
LOG(DFATAL) << "CVPixelBuffer format not supported: " << cv_format;
return nullptr;
}
const gfx::Size coded_size(CVImageBufferGetEncodedSize(cv_pixel_buffer));
const gfx::Rect visible_rect(CVImageBufferGetCleanRect(cv_pixel_buffer));
const gfx::Size natural_size(CVImageBufferGetDisplaySize(cv_pixel_buffer));
const StorageType storage = STORAGE_UNOWNED_MEMORY;
if (!IsValidConfig(format, storage, coded_size, visible_rect, natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, coded_size, visible_rect,
natural_size);
return nullptr;
}
scoped_refptr<VideoFrame> frame(new VideoFrame(
format, storage, coded_size, visible_rect, natural_size, timestamp));
frame->cv_pixel_buffer_.reset(cv_pixel_buffer, base::scoped_policy::RETAIN);
return frame;
}
#endif
// static
scoped_refptr<VideoFrame> VideoFrame::WrapVideoFrame(
const scoped_refptr<VideoFrame>& frame,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size) {
// Frames with textures need mailbox info propagated, and there's no support
// for that here yet, see http://crbug/362521.
CHECK(!frame->HasTextures());
DCHECK(frame->visible_rect().Contains(visible_rect));
if (!IsValidConfig(frame->format(), frame->storage_type(),
frame->coded_size(), visible_rect, natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(frame->format(), frame->storage_type(),
frame->coded_size(), visible_rect,
natural_size);
return nullptr;
}
scoped_refptr<VideoFrame> wrapping_frame(new VideoFrame(
frame->format(), frame->storage_type(), frame->coded_size(), visible_rect,
natural_size, frame->timestamp()));
if (frame->metadata()->IsTrue(VideoFrameMetadata::END_OF_STREAM)) {
wrapping_frame->metadata()->SetBoolean(VideoFrameMetadata::END_OF_STREAM,
true);
}
for (size_t i = 0; i < NumPlanes(frame->format()); ++i) {
wrapping_frame->strides_[i] = frame->stride(i);
wrapping_frame->data_[i] = frame->data(i);
}
#if defined(OS_LINUX)
// If there are any |dmabuf_fds_| plugged in, we should duplicate them.
if (frame->storage_type() == STORAGE_DMABUFS) {
std::vector<int> original_fds;
for (size_t i = 0; i < kMaxPlanes; ++i)
original_fds.push_back(frame->dmabuf_fd(i));
if (!wrapping_frame->DuplicateFileDescriptors(original_fds)) {
LOG(DFATAL) << __FUNCTION__ << " Couldn't duplicate fds.";
return nullptr;
}
}
#endif
if (frame->storage_type() == STORAGE_SHMEM)
wrapping_frame->AddSharedMemoryHandle(frame->shared_memory_handle_);
return wrapping_frame;
}
// static
scoped_refptr<VideoFrame> VideoFrame::CreateEOSFrame() {
scoped_refptr<VideoFrame> frame =
new VideoFrame(PIXEL_FORMAT_UNKNOWN, STORAGE_UNKNOWN, gfx::Size(),
gfx::Rect(), gfx::Size(), kNoTimestamp());
frame->metadata()->SetBoolean(VideoFrameMetadata::END_OF_STREAM, true);
return frame;
}
// static
scoped_refptr<VideoFrame> VideoFrame::CreateColorFrame(
const gfx::Size& size,
uint8_t y,
uint8_t u,
uint8_t v,
base::TimeDelta timestamp) {
scoped_refptr<VideoFrame> frame =
CreateFrame(PIXEL_FORMAT_YV12, size, gfx::Rect(size), size, timestamp);
FillYUV(frame.get(), y, u, v);
return frame;
}
// static
scoped_refptr<VideoFrame> VideoFrame::CreateBlackFrame(const gfx::Size& size) {
const uint8_t kBlackY = 0x00;
const uint8_t kBlackUV = 0x80;
const base::TimeDelta kZero;
return CreateColorFrame(size, kBlackY, kBlackUV, kBlackUV, kZero);
}
// static
scoped_refptr<VideoFrame> VideoFrame::CreateTransparentFrame(
const gfx::Size& size) {
const uint8_t kBlackY = 0x00;
const uint8_t kBlackUV = 0x00;
const uint8_t kTransparentA = 0x00;
const base::TimeDelta kZero;
scoped_refptr<VideoFrame> frame =
CreateFrame(PIXEL_FORMAT_YV12A, size, gfx::Rect(size), size, kZero);
FillYUVA(frame.get(), kBlackY, kBlackUV, kBlackUV, kTransparentA);
return frame;
}
#if defined(VIDEO_HOLE)
// This block and other blocks wrapped around #if defined(VIDEO_HOLE) is not
// maintained by the general compositor team. Please contact
// wonsik@chromium.org .
// static
scoped_refptr<VideoFrame> VideoFrame::CreateHoleFrame(
const gfx::Size& size) {
const VideoPixelFormat format = PIXEL_FORMAT_UNKNOWN;
const StorageType storage = STORAGE_HOLE;
const gfx::Rect visible_rect = gfx::Rect(size);
if (!IsValidConfig(format, storage, size, visible_rect, size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, size, visible_rect, size);
return nullptr;
}
scoped_refptr<VideoFrame> frame(new VideoFrame(
format, storage, size, gfx::Rect(size), size, base::TimeDelta()));
return frame;
}
#endif // defined(VIDEO_HOLE)
// static
size_t VideoFrame::NumPlanes(VideoPixelFormat format) {
switch (format) {
case PIXEL_FORMAT_UYVY:
case PIXEL_FORMAT_YUY2:
case PIXEL_FORMAT_ARGB:
case PIXEL_FORMAT_XRGB:
case PIXEL_FORMAT_RGB24:
case PIXEL_FORMAT_RGB32:
case PIXEL_FORMAT_MJPEG:
return 1;
case PIXEL_FORMAT_NV12:
case PIXEL_FORMAT_NV21:
case PIXEL_FORMAT_MT21:
return 2;
case PIXEL_FORMAT_I420:
case PIXEL_FORMAT_YV12:
case PIXEL_FORMAT_YV16:
case PIXEL_FORMAT_YV24:
case PIXEL_FORMAT_YUV420P9:
case PIXEL_FORMAT_YUV422P9:
case PIXEL_FORMAT_YUV444P9:
case PIXEL_FORMAT_YUV420P10:
case PIXEL_FORMAT_YUV422P10:
case PIXEL_FORMAT_YUV444P10:
return 3;
case PIXEL_FORMAT_YV12A:
return 4;
case PIXEL_FORMAT_UNKNOWN:
break;
}
NOTREACHED() << "Unsupported video frame format: " << format;
return 0;
}
// static
size_t VideoFrame::AllocationSize(VideoPixelFormat format,
const gfx::Size& coded_size) {
size_t total = 0;
for (size_t i = 0; i < NumPlanes(format); ++i)
total += PlaneSize(format, i, coded_size).GetArea();
return total;
}
// static
gfx::Size VideoFrame::PlaneSize(VideoPixelFormat format,
size_t plane,
const gfx::Size& coded_size) {
DCHECK(IsValidPlane(plane, format));
int width = coded_size.width();
int height = coded_size.height();
if (format != PIXEL_FORMAT_ARGB) {
// Align to multiple-of-two size overall. This ensures that non-subsampled
// planes can be addressed by pixel with the same scaling as the subsampled
// planes.
width = RoundUp(width, 2);
height = RoundUp(height, 2);
}
const gfx::Size subsample = SampleSize(format, plane);
DCHECK(width % subsample.width() == 0);
DCHECK(height % subsample.height() == 0);
return gfx::Size(BytesPerElement(format, plane) * width / subsample.width(),
height / subsample.height());
}
// static
int VideoFrame::PlaneHorizontalBitsPerPixel(VideoPixelFormat format,
size_t plane) {
DCHECK(IsValidPlane(plane, format));
const int bits_per_element = 8 * BytesPerElement(format, plane);
const int horiz_pixels_per_element = SampleSize(format, plane).width();
DCHECK_EQ(bits_per_element % horiz_pixels_per_element, 0);
return bits_per_element / horiz_pixels_per_element;
}
// static
int VideoFrame::PlaneBitsPerPixel(VideoPixelFormat format, size_t plane) {
DCHECK(IsValidPlane(plane, format));
return PlaneHorizontalBitsPerPixel(format, plane) /
SampleSize(format, plane).height();
}
// static
size_t VideoFrame::RowBytes(size_t plane, VideoPixelFormat format, int width) {
DCHECK(IsValidPlane(plane, format));
return BytesPerElement(format, plane) * Columns(plane, format, width);
}
// static
size_t VideoFrame::Rows(size_t plane, VideoPixelFormat format, int height) {
DCHECK(IsValidPlane(plane, format));
const int sample_height = SampleSize(format, plane).height();
return RoundUp(height, sample_height) / sample_height;
}
// static
size_t VideoFrame::Columns(size_t plane, VideoPixelFormat format, int width) {
DCHECK(IsValidPlane(plane, format));
const int sample_width = SampleSize(format, plane).width();
return RoundUp(width, sample_width) / sample_width;
}
// static
void VideoFrame::HashFrameForTesting(base::MD5Context* context,
const scoped_refptr<VideoFrame>& frame) {
DCHECK(context);
for (size_t plane = 0; plane < NumPlanes(frame->format()); ++plane) {
for (int row = 0; row < frame->rows(plane); ++row) {
base::MD5Update(
context,
base::StringPiece(reinterpret_cast<char*>(frame->data(plane) +
frame->stride(plane) * row),
frame->row_bytes(plane)));
}
}
}
bool VideoFrame::IsMappable() const {
return IsStorageTypeMappable(storage_type_);
}
bool VideoFrame::HasTextures() const {
return !mailbox_holders_[0].mailbox.IsZero();
}
int VideoFrame::stride(size_t plane) const {
DCHECK(IsValidPlane(plane, format_));
return strides_[plane];
}
int VideoFrame::row_bytes(size_t plane) const {
return RowBytes(plane, format_, coded_size_.width());
}
int VideoFrame::rows(size_t plane) const {
return Rows(plane, format_, coded_size_.height());
}
const uint8_t* VideoFrame::data(size_t plane) const {
DCHECK(IsValidPlane(plane, format_));
DCHECK(IsMappable());
return data_[plane];
}
uint8_t* VideoFrame::data(size_t plane) {
DCHECK(IsValidPlane(plane, format_));
DCHECK(IsMappable());
return data_[plane];
}
const uint8_t* VideoFrame::visible_data(size_t plane) const {
DCHECK(IsValidPlane(plane, format_));
DCHECK(IsMappable());
// Calculate an offset that is properly aligned for all planes.
const gfx::Size alignment = CommonAlignment(format_);
const gfx::Point offset(RoundDown(visible_rect_.x(), alignment.width()),
RoundDown(visible_rect_.y(), alignment.height()));
const gfx::Size subsample = SampleSize(format_, plane);
DCHECK(offset.x() % subsample.width() == 0);
DCHECK(offset.y() % subsample.height() == 0);
return data(plane) +
stride(plane) * (offset.y() / subsample.height()) + // Row offset.
BytesPerElement(format_, plane) * // Column offset.
(offset.x() / subsample.width());
}
uint8_t* VideoFrame::visible_data(size_t plane) {
return const_cast<uint8_t*>(
static_cast<const VideoFrame*>(this)->visible_data(plane));
}
const gpu::MailboxHolder&
VideoFrame::mailbox_holder(size_t texture_index) const {
DCHECK(HasTextures());
DCHECK(IsValidPlane(texture_index, format_));
return mailbox_holders_[texture_index];
}
base::SharedMemoryHandle VideoFrame::shared_memory_handle() const {
DCHECK_EQ(storage_type_, STORAGE_SHMEM);
DCHECK(shared_memory_handle_ != base::SharedMemory::NULLHandle());
return shared_memory_handle_;
}
size_t VideoFrame::shared_memory_offset() const {
DCHECK_EQ(storage_type_, STORAGE_SHMEM);
DCHECK(shared_memory_handle_ != base::SharedMemory::NULLHandle());
return shared_memory_offset_;
}
const std::vector<gfx::GpuMemoryBufferHandle>&
VideoFrame::gpu_memory_buffer_handles() const {
DCHECK_EQ(storage_type_, STORAGE_GPU_MEMORY_BUFFERS);
DCHECK(!gpu_memory_buffer_handles_.empty());
return gpu_memory_buffer_handles_;
}
#if defined(OS_LINUX)
int VideoFrame::dmabuf_fd(size_t plane) const {
DCHECK_EQ(storage_type_, STORAGE_DMABUFS);
DCHECK(IsValidPlane(plane, format_));
return dmabuf_fds_[plane].get();
}
bool VideoFrame::DuplicateFileDescriptors(const std::vector<int>& in_fds) {
// TODO(mcasas): Support offsets for e.g. multiplanar inside a single |in_fd|.
storage_type_ = STORAGE_DMABUFS;
// TODO(posciak): This is not exactly correct, it's possible for one
// buffer to contain more than one plane.
if (in_fds.size() != NumPlanes(format_)) {
LOG(FATAL) << "Not enough dmabuf fds provided, got: " << in_fds.size()
<< ", expected: " << NumPlanes(format_);
return false;
}
// Make sure that all fds are closed if any dup() fails,
base::ScopedFD temp_dmabuf_fds[kMaxPlanes];
for (size_t i = 0; i < in_fds.size(); ++i) {
temp_dmabuf_fds[i] = base::ScopedFD(HANDLE_EINTR(dup(in_fds[i])));
if (!temp_dmabuf_fds[i].is_valid()) {
DPLOG(ERROR) << "Failed duplicating a dmabuf fd";
return false;
}
}
for (size_t i = 0; i < kMaxPlanes; ++i)
dmabuf_fds_[i].reset(temp_dmabuf_fds[i].release());
return true;
}
#endif
void VideoFrame::AddSharedMemoryHandle(base::SharedMemoryHandle handle) {
storage_type_ = STORAGE_SHMEM;
shared_memory_handle_ = handle;
}
#if defined(OS_MACOSX)
CVPixelBufferRef VideoFrame::cv_pixel_buffer() const {
return cv_pixel_buffer_.get();
}
#endif
void VideoFrame::AddDestructionObserver(const base::Closure& callback) {
DCHECK(!callback.is_null());
done_callbacks_.push_back(callback);
}
void VideoFrame::UpdateReleaseSyncToken(SyncTokenClient* client) {
DCHECK(HasTextures());
base::AutoLock locker(release_sync_token_lock_);
// Must wait on the previous sync point before inserting a new sync point so
// that |mailbox_holders_release_cb_| guarantees the previous sync point
// occurred when it waits on |release_sync_token_|.
if (release_sync_token_.HasData())
client->WaitSyncToken(release_sync_token_);
client->GenerateSyncToken(&release_sync_token_);
}
std::string VideoFrame::AsHumanReadableString() {
if (metadata()->IsTrue(media::VideoFrameMetadata::END_OF_STREAM))
return "end of stream";
std::ostringstream s;
s << "format: " << VideoPixelFormatToString(format_)
<< " storage_type: " << StorageTypeToString(storage_type_)
<< " coded_size: " << coded_size_.ToString()
<< " visible_rect: " << visible_rect_.ToString()
<< " natural_size: " << natural_size_.ToString()
<< " timestamp: " << timestamp_.InMicroseconds();
return s.str();
}
// static
scoped_refptr<VideoFrame> VideoFrame::WrapExternalStorage(
VideoPixelFormat format,
StorageType storage_type,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
uint8_t* data,
size_t data_size,
base::TimeDelta timestamp,
base::SharedMemoryHandle handle,
size_t data_offset) {
DCHECK(IsStorageTypeMappable(storage_type));
// TODO(miu): This function should support any pixel format.
// http://crbug.com/555909
if (format != PIXEL_FORMAT_I420) {
LOG(DFATAL) << "Only PIXEL_FORMAT_I420 format supported: "
<< VideoPixelFormatToString(format);
return nullptr;
}
if (!IsValidConfig(format, storage_type, coded_size, visible_rect,
natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage_type, coded_size,
visible_rect, natural_size);
return nullptr;
}
scoped_refptr<VideoFrame> frame;
if (storage_type == STORAGE_SHMEM) {
frame = new VideoFrame(format, storage_type, coded_size, visible_rect,
natural_size, timestamp, handle, data_offset);
} else {
frame = new VideoFrame(format, storage_type, coded_size, visible_rect,
natural_size, timestamp);
}
frame->strides_[kYPlane] = coded_size.width();
// TODO(miu): This always rounds widths down, whereas VideoFrame::RowBytes()
// always rounds up. This inconsistency must be resolved. Perhaps a
// CommonAlignment() check should be made in IsValidConfig()?
// http://crbug.com/555909
frame->strides_[kUPlane] = coded_size.width() / 2;
frame->strides_[kVPlane] = coded_size.width() / 2;
frame->data_[kYPlane] = data;
frame->data_[kUPlane] = data + coded_size.GetArea();
frame->data_[kVPlane] = data + (coded_size.GetArea() * 5 / 4);
return frame;
}
VideoFrame::VideoFrame(VideoPixelFormat format,
StorageType storage_type,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp)
: format_(format),
storage_type_(storage_type),
coded_size_(coded_size),
visible_rect_(visible_rect),
natural_size_(natural_size),
shared_memory_handle_(base::SharedMemory::NULLHandle()),
shared_memory_offset_(0),
timestamp_(timestamp) {
DCHECK(IsValidConfig(format_, storage_type, coded_size_, visible_rect_,
natural_size_));
memset(&mailbox_holders_, 0, sizeof(mailbox_holders_));
memset(&strides_, 0, sizeof(strides_));
memset(&data_, 0, sizeof(data_));
}
VideoFrame::VideoFrame(VideoPixelFormat format,
StorageType storage_type,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp,
base::SharedMemoryHandle handle,
size_t shared_memory_offset)
: VideoFrame(format,
storage_type,
coded_size,
visible_rect,
natural_size,
timestamp) {
DCHECK_EQ(storage_type, STORAGE_SHMEM);
AddSharedMemoryHandle(handle);
shared_memory_offset_ = shared_memory_offset;
}
VideoFrame::VideoFrame(VideoPixelFormat format,
StorageType storage_type,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
const gpu::MailboxHolder(&mailbox_holders)[kMaxPlanes],
const ReleaseMailboxCB& mailbox_holder_release_cb,
base::TimeDelta timestamp)
: VideoFrame(format,
storage_type,
coded_size,
visible_rect,
natural_size,
timestamp) {
memcpy(&mailbox_holders_, mailbox_holders, sizeof(mailbox_holders_));
mailbox_holders_release_cb_ = mailbox_holder_release_cb;
}
VideoFrame::~VideoFrame() {
if (!mailbox_holders_release_cb_.is_null()) {
gpu::SyncToken release_sync_token;
{
// To ensure that changes to |release_sync_token_| are visible on this
// thread (imply a memory barrier).
base::AutoLock locker(release_sync_token_lock_);
release_sync_token = release_sync_token_;
}
base::ResetAndReturn(&mailbox_holders_release_cb_).Run(release_sync_token);
}
for (auto& callback : done_callbacks_)
base::ResetAndReturn(&callback).Run();
}
// static
scoped_refptr<VideoFrame> VideoFrame::CreateFrameInternal(
VideoPixelFormat format,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp,
bool zero_initialize_memory) {
if (!IsYuvPlanar(format)) {
NOTIMPLEMENTED();
return nullptr;
}
// Since we're creating a new YUV frame (and allocating memory for it
// ourselves), we can pad the requested |coded_size| if necessary if the
// request does not line up on sample boundaries. See discussion at
// http://crrev.com/1240833003
const gfx::Size alignment = CommonAlignment(format);
const gfx::Size new_coded_size =
gfx::Size(RoundUp(coded_size.width(), alignment.width()),
RoundUp(coded_size.height(), alignment.height()));
DCHECK((new_coded_size.width() % alignment.width() == 0) &&
(new_coded_size.height() % alignment.height() == 0));
const StorageType storage = STORAGE_OWNED_MEMORY;
if (!IsValidConfig(format, storage, new_coded_size, visible_rect,
natural_size)) {
LOG(DFATAL) << __FUNCTION__ << " Invalid config."
<< ConfigToString(format, storage, coded_size, visible_rect,
natural_size);
return nullptr;
}
scoped_refptr<VideoFrame> frame(new VideoFrame(
format, storage, new_coded_size, visible_rect, natural_size, timestamp));
frame->AllocateYUV(zero_initialize_memory);
return frame;
}
void VideoFrame::AllocateYUV(bool zero_initialize_memory) {
DCHECK_EQ(storage_type_, STORAGE_OWNED_MEMORY);
static_assert(0 == kYPlane, "y plane data must be index 0");
size_t data_size = 0;
size_t offset[kMaxPlanes];
for (size_t plane = 0; plane < NumPlanes(format_); ++plane) {
// The *2 in alignment for height is because some formats (e.g. h264) allow
// interlaced coding, and then the size needs to be a multiple of two
// macroblocks (vertically). See
// libavcodec/utils.c:avcodec_align_dimensions2().
const size_t height = RoundUp(rows(plane), kFrameSizeAlignment * 2);
strides_[plane] = RoundUp(row_bytes(plane), kFrameSizeAlignment);
offset[plane] = data_size;
data_size += height * strides_[plane];
}
// The extra line of UV being allocated is because h264 chroma MC
// overreads by one line in some cases, see libavcodec/utils.c:
// avcodec_align_dimensions2() and libavcodec/x86/h264_chromamc.asm:
// put_h264_chroma_mc4_ssse3().
DCHECK(IsValidPlane(kUPlane, format_));
data_size += strides_[kUPlane] + kFrameSizePadding;
uint8_t* data = reinterpret_cast<uint8_t*>(
base::AlignedAlloc(data_size, kFrameAddressAlignment));
if (zero_initialize_memory)
memset(data, 0, data_size);
for (size_t plane = 0; plane < NumPlanes(format_); ++plane)
data_[plane] = data + offset[plane];
AddDestructionObserver(base::Bind(&base::AlignedFree, data));
}
} // namespace media
|