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frame.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "channel_layout.h"
20 #include "avassert.h"
21 #include "buffer.h"
22 #include "common.h"
23 #include "dict.h"
24 #include "frame.h"
25 #include "imgutils.h"
26 #include "mem.h"
27 #include "samplefmt.h"
28 
29 MAKE_ACCESSORS(AVFrame, frame, int64_t, best_effort_timestamp)
30 MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_duration)
31 MAKE_ACCESSORS(AVFrame, frame, int64_t, pkt_pos)
32 MAKE_ACCESSORS(AVFrame, frame, int64_t, channel_layout)
33 MAKE_ACCESSORS(AVFrame, frame, int, channels)
34 MAKE_ACCESSORS(AVFrame, frame, int, sample_rate)
35 MAKE_ACCESSORS(AVFrame, frame, AVDictionary *, metadata)
36 MAKE_ACCESSORS(AVFrame, frame, int, decode_error_flags)
37 MAKE_ACCESSORS(AVFrame, frame, int, pkt_size)
38 MAKE_ACCESSORS(AVFrame, frame, enum AVColorSpace, colorspace)
39 MAKE_ACCESSORS(AVFrame, frame, enum AVColorRange, color_range)
40 
41 #define CHECK_CHANNELS_CONSISTENCY(frame) \
42  av_assert2(!(frame)->channel_layout || \
43  (frame)->channels == \
44  av_get_channel_layout_nb_channels((frame)->channel_layout))
45 
46 AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame) {return &frame->metadata;};
47 
48 #if FF_API_FRAME_QP
49 int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type)
50 {
52 
53  f->qp_table_buf = buf;
54 
56  f->qscale_table = buf->data;
57  f->qstride = stride;
58  f->qscale_type = qp_type;
60 
61  return 0;
62 }
63 
64 int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
65 {
67  *stride = f->qstride;
68  *type = f->qscale_type;
70 
71  if (!f->qp_table_buf)
72  return NULL;
73 
74  return f->qp_table_buf->data;
75 }
76 #endif
77 
78 const char *av_get_colorspace_name(enum AVColorSpace val)
79 {
80  static const char * const name[] = {
81  [AVCOL_SPC_RGB] = "GBR",
82  [AVCOL_SPC_BT709] = "bt709",
83  [AVCOL_SPC_FCC] = "fcc",
84  [AVCOL_SPC_BT470BG] = "bt470bg",
85  [AVCOL_SPC_SMPTE170M] = "smpte170m",
86  [AVCOL_SPC_SMPTE240M] = "smpte240m",
87  [AVCOL_SPC_YCOCG] = "YCgCo",
88  };
89  if ((unsigned)val >= FF_ARRAY_ELEMS(name))
90  return NULL;
91  return name[val];
92 }
93 
94 static void get_frame_defaults(AVFrame *frame)
95 {
96  if (frame->extended_data != frame->data)
97  av_freep(&frame->extended_data);
98 
99  memset(frame, 0, sizeof(*frame));
100 
101  frame->pts =
102  frame->pkt_dts =
103  frame->pkt_pts = AV_NOPTS_VALUE;
105  frame->pkt_duration = 0;
106  frame->pkt_pos = -1;
107  frame->pkt_size = -1;
108  frame->key_frame = 1;
109  frame->sample_aspect_ratio = (AVRational){ 0, 1 };
110  frame->format = -1; /* unknown */
111  frame->extended_data = frame->data;
117 }
118 
119 static void free_side_data(AVFrameSideData **ptr_sd)
120 {
121  AVFrameSideData *sd = *ptr_sd;
122 
123  av_buffer_unref(&sd->buf);
124  av_dict_free(&sd->metadata);
125  av_freep(ptr_sd);
126 }
127 
128 static void wipe_side_data(AVFrame *frame)
129 {
130  int i;
131 
132  for (i = 0; i < frame->nb_side_data; i++) {
133  free_side_data(&frame->side_data[i]);
134  }
135  frame->nb_side_data = 0;
136 
137  av_freep(&frame->side_data);
138 }
139 
140 AVFrame *av_frame_alloc(void)
141 {
142  AVFrame *frame = av_mallocz(sizeof(*frame));
143 
144  if (!frame)
145  return NULL;
146 
147  frame->extended_data = NULL;
148  get_frame_defaults(frame);
149 
150  return frame;
151 }
152 
153 void av_frame_free(AVFrame **frame)
154 {
155  if (!frame || !*frame)
156  return;
157 
158  av_frame_unref(*frame);
159  av_freep(frame);
160 }
161 
162 static int get_video_buffer(AVFrame *frame, int align)
163 {
165  int ret, i;
166 
167  if (!desc)
168  return AVERROR(EINVAL);
169 
170  if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
171  return ret;
172 
173  if (!frame->linesize[0]) {
174  for(i=1; i<=align; i+=i) {
175  ret = av_image_fill_linesizes(frame->linesize, frame->format,
176  FFALIGN(frame->width, i));
177  if (ret < 0)
178  return ret;
179  if (!(frame->linesize[0] & (align-1)))
180  break;
181  }
182 
183  for (i = 0; i < 4 && frame->linesize[i]; i++)
184  frame->linesize[i] = FFALIGN(frame->linesize[i], align);
185  }
186 
187  for (i = 0; i < 4 && frame->linesize[i]; i++) {
188  int h = FFALIGN(frame->height, 32);
189  if (i == 1 || i == 2)
190  h = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
191 
192  frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1);
193  if (!frame->buf[i])
194  goto fail;
195 
196  frame->data[i] = frame->buf[i]->data;
197  }
198  if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
199  av_buffer_unref(&frame->buf[1]);
200  frame->buf[1] = av_buffer_alloc(AVPALETTE_SIZE);
201  if (!frame->buf[1])
202  goto fail;
203  frame->data[1] = frame->buf[1]->data;
204  }
205 
206  frame->extended_data = frame->data;
207 
208  return 0;
209 fail:
210  av_frame_unref(frame);
211  return AVERROR(ENOMEM);
212 }
213 
214 static int get_audio_buffer(AVFrame *frame, int align)
215 {
216  int channels;
217  int planar = av_sample_fmt_is_planar(frame->format);
218  int planes;
219  int ret, i;
220 
221  if (!frame->channels)
223 
224  channels = frame->channels;
225  planes = planar ? channels : 1;
226 
228  if (!frame->linesize[0]) {
229  ret = av_samples_get_buffer_size(&frame->linesize[0], channels,
230  frame->nb_samples, frame->format,
231  align);
232  if (ret < 0)
233  return ret;
234  }
235 
236  if (planes > AV_NUM_DATA_POINTERS) {
237  frame->extended_data = av_mallocz_array(planes,
238  sizeof(*frame->extended_data));
240  sizeof(*frame->extended_buf));
241  if (!frame->extended_data || !frame->extended_buf) {
242  av_freep(&frame->extended_data);
243  av_freep(&frame->extended_buf);
244  return AVERROR(ENOMEM);
245  }
246  frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
247  } else
248  frame->extended_data = frame->data;
249 
250  for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
251  frame->buf[i] = av_buffer_alloc(frame->linesize[0]);
252  if (!frame->buf[i]) {
253  av_frame_unref(frame);
254  return AVERROR(ENOMEM);
255  }
256  frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
257  }
258  for (i = 0; i < planes - AV_NUM_DATA_POINTERS; i++) {
259  frame->extended_buf[i] = av_buffer_alloc(frame->linesize[0]);
260  if (!frame->extended_buf[i]) {
261  av_frame_unref(frame);
262  return AVERROR(ENOMEM);
263  }
264  frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
265  }
266  return 0;
267 
268 }
269 
270 int av_frame_get_buffer(AVFrame *frame, int align)
271 {
272  if (frame->format < 0)
273  return AVERROR(EINVAL);
274 
275  if (frame->width > 0 && frame->height > 0)
276  return get_video_buffer(frame, align);
277  else if (frame->nb_samples > 0 && (frame->channel_layout || frame->channels > 0))
278  return get_audio_buffer(frame, align);
279 
280  return AVERROR(EINVAL);
281 }
282 
283 static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy)
284 {
285  int i;
286 
287  dst->key_frame = src->key_frame;
288  dst->pict_type = src->pict_type;
290  dst->pts = src->pts;
291  dst->repeat_pict = src->repeat_pict;
293  dst->top_field_first = src->top_field_first;
295  dst->sample_rate = src->sample_rate;
296  dst->opaque = src->opaque;
297  dst->pkt_pts = src->pkt_pts;
298  dst->pkt_dts = src->pkt_dts;
299  dst->pkt_pos = src->pkt_pos;
300  dst->pkt_size = src->pkt_size;
301  dst->pkt_duration = src->pkt_duration;
303  dst->quality = src->quality;
307  dst->flags = src->flags;
309  dst->color_primaries = src->color_primaries;
310  dst->color_trc = src->color_trc;
311  dst->colorspace = src->colorspace;
312  dst->color_range = src->color_range;
313  dst->chroma_location = src->chroma_location;
314 
315  av_dict_copy(&dst->metadata, src->metadata, 0);
316 
317 #if FF_API_ERROR_FRAME
319  memcpy(dst->error, src->error, sizeof(dst->error));
321 #endif
322 
323  for (i = 0; i < src->nb_side_data; i++) {
324  const AVFrameSideData *sd_src = src->side_data[i];
325  AVFrameSideData *sd_dst;
326  if ( sd_src->type == AV_FRAME_DATA_PANSCAN
327  && (src->width != dst->width || src->height != dst->height))
328  continue;
329  if (force_copy) {
330  sd_dst = av_frame_new_side_data(dst, sd_src->type,
331  sd_src->size);
332  if (!sd_dst) {
333  wipe_side_data(dst);
334  return AVERROR(ENOMEM);
335  }
336  memcpy(sd_dst->data, sd_src->data, sd_src->size);
337  } else {
338  sd_dst = av_frame_new_side_data(dst, sd_src->type, 0);
339  if (!sd_dst) {
340  wipe_side_data(dst);
341  return AVERROR(ENOMEM);
342  }
343  sd_dst->buf = av_buffer_ref(sd_src->buf);
344  if (!sd_dst->buf) {
345  wipe_side_data(dst);
346  return AVERROR(ENOMEM);
347  }
348  sd_dst->data = sd_dst->buf->data;
349  sd_dst->size = sd_dst->buf->size;
350  }
351  av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
352  }
353 
354 #if FF_API_FRAME_QP
356  dst->qscale_table = NULL;
357  dst->qstride = 0;
358  dst->qscale_type = 0;
360  if (src->qp_table_buf) {
362  if (dst->qp_table_buf) {
363  dst->qscale_table = dst->qp_table_buf->data;
364  dst->qstride = src->qstride;
365  dst->qscale_type = src->qscale_type;
366  }
367  }
369 #endif
370 
371  return 0;
372 }
373 
374 int av_frame_ref(AVFrame *dst, const AVFrame *src)
375 {
376  int i, ret = 0;
377 
378  av_assert1(dst->width == 0 && dst->height == 0);
379  av_assert1(dst->channels == 0);
380 
381  dst->format = src->format;
382  dst->width = src->width;
383  dst->height = src->height;
384  dst->channels = src->channels;
385  dst->channel_layout = src->channel_layout;
386  dst->nb_samples = src->nb_samples;
387 
388  ret = frame_copy_props(dst, src, 0);
389  if (ret < 0)
390  return ret;
391 
392  /* duplicate the frame data if it's not refcounted */
393  if (!src->buf[0]) {
394  ret = av_frame_get_buffer(dst, 32);
395  if (ret < 0)
396  return ret;
397 
398  ret = av_frame_copy(dst, src);
399  if (ret < 0)
400  av_frame_unref(dst);
401 
402  return ret;
403  }
404 
405  /* ref the buffers */
406  for (i = 0; i < FF_ARRAY_ELEMS(src->buf); i++) {
407  if (!src->buf[i])
408  continue;
409  dst->buf[i] = av_buffer_ref(src->buf[i]);
410  if (!dst->buf[i]) {
411  ret = AVERROR(ENOMEM);
412  goto fail;
413  }
414  }
415 
416  if (src->extended_buf) {
417  dst->extended_buf = av_mallocz_array(sizeof(*dst->extended_buf),
418  src->nb_extended_buf);
419  if (!dst->extended_buf) {
420  ret = AVERROR(ENOMEM);
421  goto fail;
422  }
423  dst->nb_extended_buf = src->nb_extended_buf;
424 
425  for (i = 0; i < src->nb_extended_buf; i++) {
426  dst->extended_buf[i] = av_buffer_ref(src->extended_buf[i]);
427  if (!dst->extended_buf[i]) {
428  ret = AVERROR(ENOMEM);
429  goto fail;
430  }
431  }
432  }
433 
434  if (src->hw_frames_ctx) {
436  if (!dst->hw_frames_ctx) {
437  ret = AVERROR(ENOMEM);
438  goto fail;
439  }
440  }
441 
442  /* duplicate extended data */
443  if (src->extended_data != src->data) {
444  int ch = src->channels;
445 
446  if (!ch) {
447  ret = AVERROR(EINVAL);
448  goto fail;
449  }
451 
452  dst->extended_data = av_malloc_array(sizeof(*dst->extended_data), ch);
453  if (!dst->extended_data) {
454  ret = AVERROR(ENOMEM);
455  goto fail;
456  }
457  memcpy(dst->extended_data, src->extended_data, sizeof(*src->extended_data) * ch);
458  } else
459  dst->extended_data = dst->data;
460 
461  memcpy(dst->data, src->data, sizeof(src->data));
462  memcpy(dst->linesize, src->linesize, sizeof(src->linesize));
463 
464  return 0;
465 
466 fail:
467  av_frame_unref(dst);
468  return ret;
469 }
470 
471 AVFrame *av_frame_clone(const AVFrame *src)
472 {
473  AVFrame *ret = av_frame_alloc();
474 
475  if (!ret)
476  return NULL;
477 
478  if (av_frame_ref(ret, src) < 0)
479  av_frame_free(&ret);
480 
481  return ret;
482 }
483 
484 void av_frame_unref(AVFrame *frame)
485 {
486  int i;
487 
488  if (!frame)
489  return;
490 
491  wipe_side_data(frame);
492 
493  for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
494  av_buffer_unref(&frame->buf[i]);
495  for (i = 0; i < frame->nb_extended_buf; i++)
496  av_buffer_unref(&frame->extended_buf[i]);
497  av_freep(&frame->extended_buf);
498  av_dict_free(&frame->metadata);
499 #if FF_API_FRAME_QP
500  av_buffer_unref(&frame->qp_table_buf);
501 #endif
502 
504 
505  get_frame_defaults(frame);
506 }
507 
508 void av_frame_move_ref(AVFrame *dst, AVFrame *src)
509 {
510  av_assert1(dst->width == 0 && dst->height == 0);
511  av_assert1(dst->channels == 0);
512 
513  *dst = *src;
514  if (src->extended_data == src->data)
515  dst->extended_data = dst->data;
516  memset(src, 0, sizeof(*src));
517  get_frame_defaults(src);
518 }
519 
520 int av_frame_is_writable(AVFrame *frame)
521 {
522  int i, ret = 1;
523 
524  /* assume non-refcounted frames are not writable */
525  if (!frame->buf[0])
526  return 0;
527 
528  for (i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
529  if (frame->buf[i])
530  ret &= !!av_buffer_is_writable(frame->buf[i]);
531  for (i = 0; i < frame->nb_extended_buf; i++)
532  ret &= !!av_buffer_is_writable(frame->extended_buf[i]);
533 
534  return ret;
535 }
536 
537 int av_frame_make_writable(AVFrame *frame)
538 {
539  AVFrame tmp;
540  int ret;
541 
542  if (!frame->buf[0])
543  return AVERROR(EINVAL);
544 
545  if (av_frame_is_writable(frame))
546  return 0;
547 
548  memset(&tmp, 0, sizeof(tmp));
549  tmp.format = frame->format;
550  tmp.width = frame->width;
551  tmp.height = frame->height;
552  tmp.channels = frame->channels;
553  tmp.channel_layout = frame->channel_layout;
554  tmp.nb_samples = frame->nb_samples;
555  ret = av_frame_get_buffer(&tmp, 32);
556  if (ret < 0)
557  return ret;
558 
559  ret = av_frame_copy(&tmp, frame);
560  if (ret < 0) {
561  av_frame_unref(&tmp);
562  return ret;
563  }
564 
565  ret = av_frame_copy_props(&tmp, frame);
566  if (ret < 0) {
567  av_frame_unref(&tmp);
568  return ret;
569  }
570 
571  av_frame_unref(frame);
572 
573  *frame = tmp;
574  if (tmp.data == tmp.extended_data)
575  frame->extended_data = frame->data;
576 
577  return 0;
578 }
579 
580 int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
581 {
582  return frame_copy_props(dst, src, 1);
583 }
584 
586 {
587  uint8_t *data;
588  int planes, i;
589 
590  if (frame->nb_samples) {
591  int channels = frame->channels;
592  if (!channels)
593  return NULL;
595  planes = av_sample_fmt_is_planar(frame->format) ? channels : 1;
596  } else
597  planes = 4;
598 
599  if (plane < 0 || plane >= planes || !frame->extended_data[plane])
600  return NULL;
601  data = frame->extended_data[plane];
602 
603  for (i = 0; i < FF_ARRAY_ELEMS(frame->buf) && frame->buf[i]; i++) {
604  AVBufferRef *buf = frame->buf[i];
605  if (data >= buf->data && data < buf->data + buf->size)
606  return buf;
607  }
608  for (i = 0; i < frame->nb_extended_buf; i++) {
609  AVBufferRef *buf = frame->extended_buf[i];
610  if (data >= buf->data && data < buf->data + buf->size)
611  return buf;
612  }
613  return NULL;
614 }
615 
618  int size)
619 {
620  AVFrameSideData *ret, **tmp;
621 
622  if (frame->nb_side_data > INT_MAX / sizeof(*frame->side_data) - 1)
623  return NULL;
624 
625  tmp = av_realloc(frame->side_data,
626  (frame->nb_side_data + 1) * sizeof(*frame->side_data));
627  if (!tmp)
628  return NULL;
629  frame->side_data = tmp;
630 
631  ret = av_mallocz(sizeof(*ret));
632  if (!ret)
633  return NULL;
634 
635  if (size > 0) {
636  ret->buf = av_buffer_alloc(size);
637  if (!ret->buf) {
638  av_freep(&ret);
639  return NULL;
640  }
641 
642  ret->data = ret->buf->data;
643  ret->size = size;
644  }
645  ret->type = type;
646 
647  frame->side_data[frame->nb_side_data++] = ret;
648 
649  return ret;
650 }
651 
654 {
655  int i;
656 
657  for (i = 0; i < frame->nb_side_data; i++) {
658  if (frame->side_data[i]->type == type)
659  return frame->side_data[i];
660  }
661  return NULL;
662 }
663 
664 static int frame_copy_video(AVFrame *dst, const AVFrame *src)
665 {
666  const uint8_t *src_data[4];
667  int i, planes;
668 
669  if (dst->width < src->width ||
670  dst->height < src->height)
671  return AVERROR(EINVAL);
672 
673  planes = av_pix_fmt_count_planes(dst->format);
674  for (i = 0; i < planes; i++)
675  if (!dst->data[i] || !src->data[i])
676  return AVERROR(EINVAL);
677 
678  memcpy(src_data, src->data, sizeof(src_data));
679  av_image_copy(dst->data, dst->linesize,
680  src_data, src->linesize,
681  dst->format, src->width, src->height);
682 
683  return 0;
684 }
685 
686 static int frame_copy_audio(AVFrame *dst, const AVFrame *src)
687 {
689  int channels = dst->channels;
690  int planes = planar ? channels : 1;
691  int i;
692 
693  if (dst->nb_samples != src->nb_samples ||
694  dst->channels != src->channels ||
695  dst->channel_layout != src->channel_layout)
696  return AVERROR(EINVAL);
697 
699 
700  for (i = 0; i < planes; i++)
701  if (!dst->extended_data[i] || !src->extended_data[i])
702  return AVERROR(EINVAL);
703 
705  dst->nb_samples, channels, dst->format);
706 
707  return 0;
708 }
709 
710 int av_frame_copy(AVFrame *dst, const AVFrame *src)
711 {
712  if (dst->format != src->format || dst->format < 0)
713  return AVERROR(EINVAL);
714 
715  if (dst->width > 0 && dst->height > 0)
716  return frame_copy_video(dst, src);
717  else if (dst->nb_samples > 0 && dst->channel_layout)
718  return frame_copy_audio(dst, src);
719 
720  return AVERROR(EINVAL);
721 }
722 
724 {
725  int i;
726 
727  for (i = 0; i < frame->nb_side_data; i++) {
728  AVFrameSideData *sd = frame->side_data[i];
729  if (sd->type == type) {
730  free_side_data(&frame->side_data[i]);
731  frame->side_data[i] = frame->side_data[frame->nb_side_data - 1];
732  frame->nb_side_data--;
733  }
734  }
735 }
736 
738 {
739  switch(type) {
740  case AV_FRAME_DATA_PANSCAN: return "AVPanScan";
741  case AV_FRAME_DATA_A53_CC: return "ATSC A53 Part 4 Closed Captions";
742  case AV_FRAME_DATA_STEREO3D: return "Stereoscopic 3d metadata";
743  case AV_FRAME_DATA_MATRIXENCODING: return "AVMatrixEncoding";
744  case AV_FRAME_DATA_DOWNMIX_INFO: return "Metadata relevant to a downmix procedure";
745  case AV_FRAME_DATA_REPLAYGAIN: return "AVReplayGain";
746  case AV_FRAME_DATA_DISPLAYMATRIX: return "3x3 displaymatrix";
747  case AV_FRAME_DATA_AFD: return "Active format description";
748  case AV_FRAME_DATA_MOTION_VECTORS: return "Motion vectors";
749  case AV_FRAME_DATA_SKIP_SAMPLES: return "Skip samples";
750  case AV_FRAME_DATA_AUDIO_SERVICE_TYPE: return "Audio service type";
751  case AV_FRAME_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
752  case AV_FRAME_DATA_GOP_TIMECODE: return "GOP timecode";
753  }
754  return NULL;
755 }
#define AV_PIX_FMT_FLAG_PAL
Pixel format has a palette in data[1], values are indexes in this palette.
Definition: pixdesc.h:132
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:438
int plane
Definition: avisynth_c.h:422
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:771
#define AV_NUM_DATA_POINTERS
Definition: frame.h:185
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
Definition: buffer.c:124
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2263
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
void * av_realloc(void *ptr, size_t size)
Allocate, reallocate, or free a block of memory.
Definition: mem.c:145
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
This side data must be associated with an audio frame and corresponds to enum AVAudioServiceType defi...
Definition: frame.h:112
attribute_deprecated int qscale_type
Definition: frame.h:515
int64_t pkt_pos
reordered pos from the last AVPacket that has been input into the decoder Code outside libavutil shou...
Definition: frame.h:447
misc image utilities
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2303
Memory handling functions.
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:363
const char * desc
Definition: nvenc.c:99
AVDictionary * metadata
Definition: frame.h:147
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:442
void * opaque
for some private data of the user
Definition: frame.h:299
int nb_extended_buf
Number of elements in extended_buf.
Definition: frame.h:381
int repeat_pict
When decoding, this signals how much the picture must be delayed.
Definition: frame.h:313
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:443
int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type)
Definition: frame.c:49
int av_dict_copy(AVDictionary **dst, const AVDictionary *src, int flags)
Copy entries from one AVDictionary struct into another.
Definition: dict.c:217
Mastering display metadata associated with a video frame.
Definition: frame.h:118
static void wipe_side_data(AVFrame *frame)
Definition: frame.c:128
color_range
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
Move everything contained in src to dst and reset src.
Definition: frame.c:508
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:252
int8_t * av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
Definition: frame.c:64
Used by Dirac / VC-2 and H.264 FRext, see ITU-T SG16.
Definition: pixfmt.h:445
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
Definition: pixfmt.h:437
attribute_deprecated int8_t * qscale_table
QP table Not to be accessed directly from outside libavutil.
Definition: frame.h:506
functionally identical to above
Definition: pixfmt.h:444
int av_get_channel_layout_nb_channels(uint64_t channel_layout)
Return the number of channels in the channel layout.
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:652
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:526
Public dictionary API.
uint8_t
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:140
static int frame_copy_video(AVFrame *dst, const AVFrame *src)
Definition: frame.c:664
AVColorSpace
YUV colorspace type.
Definition: pixfmt.h:436
#define AVPALETTE_SIZE
Definition: pixfmt.h:32
attribute_deprecated int qstride
QP store stride Not to be accessed directly from outside libavutil.
Definition: frame.h:512
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
Definition: frame.c:374
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:268
AVBufferRef * buf
Definition: frame.h:148
The data is the AVPanScan struct defined in libavcodec.
Definition: frame.h:51
static AVFrame * frame
Structure to hold side data for an AVFrame.
Definition: frame.h:143
AVDictionary * metadata
metadata.
Definition: frame.h:466
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:318
AVColorRange
MPEG vs JPEG YUV range.
Definition: pixfmt.h:456
ptrdiff_t size
Definition: opengl_enc.c:101
Active Format Description data consisting of a single byte as specified in ETSI TS 101 154 using AVAc...
Definition: frame.h:88
Metadata relevant to a downmix procedure.
Definition: frame.h:71
int nb_side_data
Definition: frame.h:384
#define FFALIGN(x, a)
Definition: macros.h:48
attribute_deprecated uint64_t error[AV_NUM_DATA_POINTERS]
Definition: frame.h:306
AVFrameSideData ** side_data
Definition: frame.h:383
int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt)
Check if the sample format is planar.
Definition: samplefmt.c:112
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(constuint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(constint16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(constint32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(constint64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(constfloat *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(constdouble *) pi *(INT64_C(1)<< 63)))#defineFMT_PAIR_FUNC(out, in) staticconv_func_type *constfmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};staticvoidcpy1(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, len);}staticvoidcpy2(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 2 *len);}staticvoidcpy4(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 4 *len);}staticvoidcpy8(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, constint *ch_map, intflags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) returnNULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) returnNULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case1:ctx->simd_f=cpy1;break;case2:ctx->simd_f=cpy2;break;case4:ctx->simd_f=cpy4;break;case8:ctx->simd_f=cpy8;break;}}if(HAVE_YASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);returnctx;}voidswri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}intswri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, intlen){intch;intoff=0;constintos=(out->planar?1:out->ch_count)*out->bps;unsignedmisaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){intplanes=in->planar?in->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){intplanes=out->planar?out->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){intplanes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch const uint8_t **in ch off *out planar
Definition: audioconvert.c:56
int width
width and height of the video frame
Definition: frame.h:236
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
#define MAKE_ACCESSORS(str, name, type, field)
Definition: internal.h:87
#define AVERROR(e)
Definition: error.h:43
static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy)
Definition: frame.c:283
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:153
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: frame.h:414
ATSC A53 Part 4 Closed Captions.
Definition: frame.h:57
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:427
simple assert() macros that are a bit more flexible than ISO C assert().
The GOP timecode in 25 bit timecode format.
Definition: frame.h:123
static int get_audio_buffer(AVFrame *frame, int align)
Definition: frame.c:214
static void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.h:226
#define fail()
Definition: checkasm.h:82
void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4], const uint8_t *src_data[4], const int src_linesizes[4], enum AVPixelFormat pix_fmt, int width, int height)
Copy image in src_data to dst_data.
Definition: imgutils.c:302
int av_frame_copy(AVFrame *dst, const AVFrame *src)
Copy the frame data from src to dst.
Definition: frame.c:710
reference-counted frame API
uint64_t channel_layout
Channel layout of the audio data.
Definition: frame.h:349
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
Definition: imgutils.c:251
int channels
number of audio channels, only used for audio.
Definition: frame.h:488
audio channel layout utility functions
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:258
int flags
Frame flags, a combination of AV_FRAME_FLAGS.
Definition: frame.h:405
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
#define FFMIN(a, b)
Definition: common.h:96
int display_picture_number
picture number in display order
Definition: frame.h:289
AVBufferRef ** extended_buf
For planar audio which requires more than AV_NUM_DATA_POINTERS AVBufferRef pointers, this array will hold all the references which cannot fit into AVFrame.buf.
Definition: frame.h:377
#define AV_PIX_FMT_FLAG_PSEUDOPAL
The pixel format is "pseudo-paletted".
Definition: pixdesc.h:158
Motion vectors exported by some codecs (on demand through the export_mvs flag set in the libavcodec A...
Definition: frame.h:95
AVBufferRef * av_frame_get_plane_buffer(AVFrame *frame, int plane)
Get the buffer reference a given data plane is stored in.
Definition: frame.c:585
AVFrameSideDataType
Definition: frame.h:47
AVBufferRef * qp_table_buf
Not to be accessed directly from outside libavutil.
Definition: frame.h:520
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
Definition: frame.h:294
int av_buffer_is_writable(const AVBufferRef *buf)
Definition: buffer.c:132
const char * av_get_colorspace_name(enum AVColorSpace val)
Get the name of a colorspace.
Definition: frame.c:78
#define src
Definition: vp9dsp.c:530
FCC Title 47 Code of Federal Regulations 73.682 (a)(20)
Definition: pixfmt.h:441
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
Definition: frame.c:471
#define FF_ARRAY_ELEMS(a)
const AVS_VideoInfo int align
Definition: avisynth_c.h:795
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:248
int coded_picture_number
picture number in bitstream order
Definition: frame.h:285
sample_rate
int64_t pkt_duration
duration of the corresponding packet, expressed in AVStream->time_base units, 0 if unknown...
Definition: frame.h:457
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: frame.h:83
AVDictionary ** avpriv_frame_get_metadatap(AVFrame *frame)
Definition: frame.c:46
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
Definition: frame.c:520
AVBufferRef * av_buffer_alloc(int size)
Allocate an AVBuffer of the given size using av_malloc().
Definition: buffer.c:66
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:215
static int get_video_buffer(AVFrame *frame, int align)
Definition: frame.c:162
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
uint8_t * data
The data buffer.
Definition: buffer.h:89
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:263
uint8_t * data
Definition: frame.h:145
int av_samples_copy(uint8_t **dst, uint8_t *const *src, int dst_offset, int src_offset, int nb_samples, int nb_channels, enum AVSampleFormat sample_fmt)
Copy samples from src to dst.
Definition: samplefmt.c:213
void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type)
If side data of the supplied type exists in the frame, free it and remove it from the frame...
Definition: frame.c:723
void * buf
Definition: avisynth_c.h:690
GLint GLenum type
Definition: opengl_enc.c:105
int64_t reordered_opaque
reordered opaque 64 bits (generally an integer or a double precision float PTS but can be anything)...
Definition: frame.h:339
int sample_rate
Sample rate of the audio data.
Definition: frame.h:344
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
Definition: imgutils.c:88
AVFrameSideData * av_frame_new_side_data(AVFrame *frame, enum AVFrameSideDataType type, int size)
Add a new side data to a frame.
Definition: frame.c:616
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
Get the required buffer size for the given audio parameters.
Definition: samplefmt.c:119
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int palette_has_changed
Tell user application that palette has changed from previous frame.
Definition: frame.h:328
refcounted data buffer API
enum AVChromaLocation chroma_location
Definition: frame.h:429
int64_t best_effort_timestamp
frame timestamp estimated using various heuristics, in stream time base Code outside libavutil should...
Definition: frame.h:438
int decode_error_flags
decode error flags of the frame, set to a combination of FF_DECODE_ERROR_xxx flags if the decoder pro...
Definition: frame.h:477
static int frame_copy_audio(AVFrame *dst, const AVFrame *src)
Definition: frame.c:686
const char * av_frame_side_data_name(enum AVFrameSideDataType type)
Definition: frame.c:737
int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:273
int size
Size of data in bytes.
Definition: buffer.h:93
int av_frame_get_buffer(AVFrame *frame, int align)
Allocate new buffer(s) for audio or video data.
Definition: frame.c:270
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:484
enum AVFrameSideDataType type
Definition: frame.h:144
int av_frame_make_writable(AVFrame *frame)
Ensure that the frame data is writable, avoiding data copy if possible.
Definition: frame.c:537
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:198
int64_t pkt_dts
DTS copied from the AVPacket that triggered returning this frame.
Definition: frame.h:280
A reference to a data buffer.
Definition: buffer.h:81
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:80
common internal and external API header
#define CHECK_CHANNELS_CONSISTENCY(frame)
Definition: frame.c:41
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:92
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(constuint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(constint16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(constint32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(constint64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(constfloat *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(constdouble *) pi *(INT64_C(1)<< 63)))#defineFMT_PAIR_FUNC(out, in) staticconv_func_type *constfmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};staticvoidcpy1(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, len);}staticvoidcpy2(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 2 *len);}staticvoidcpy4(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 4 *len);}staticvoidcpy8(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, constint *ch_map, intflags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) returnNULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) returnNULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case1:ctx->simd_f=cpy1;break;case2:ctx->simd_f=cpy2;break;case4:ctx->simd_f=cpy4;break;case8:ctx->simd_f=cpy8;break;}}if(HAVE_YASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);returnctx;}voidswri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}intswri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, intlen){intch;intoff=0;constintos=(out->planar?1:out->ch_count)*out->bps;unsignedmisaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){intplanes=in->planar?in->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){intplanes=out->planar?out->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){intplanes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch ch
Definition: audioconvert.c:56
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:81
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:323
static uint8_t tmp[8]
Definition: des.c:38
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:253
enum AVColorPrimaries color_primaries
Definition: frame.h:416
int height
Definition: frame.h:236
#define av_freep(p)
static void free_side_data(AVFrameSideData **ptr_sd)
Definition: frame.c:119
enum AVColorTransferCharacteristic color_trc
Definition: frame.h:418
Recommmends skipping the specified number of samples.
Definition: frame.h:107
#define av_malloc_array(a, b)
#define stride
ReplayGain information in the form of the AVReplayGain struct.
Definition: frame.h:75
uint8_t ** extended_data
pointers to the data planes/channels.
Definition: frame.h:231
static void get_frame_defaults(AVFrame *frame)
Definition: frame.c:94
int pkt_size
size of the corresponding packet containing the compressed frame.
Definition: frame.h:498
Stereoscopic 3d metadata.
Definition: frame.h:62
int nb_samples
number of audio samples (per channel) described by this frame
Definition: frame.h:241
The data is the AVMatrixEncoding enum defined in libavutil/channel_layout.h.
Definition: frame.h:66
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:580
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:242
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
const char * name
Definition: opengl_enc.c:103