FFmpeg
utils.c
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1 /*
2  * utils for libavcodec
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /**
24  * @file
25  * utils.
26  */
27 
28 #include "config.h"
29 #include "libavutil/avassert.h"
31 #include "libavutil/intreadwrite.h"
32 #include "libavutil/mem.h"
33 #include "libavutil/pixdesc.h"
34 #include "libavutil/imgutils.h"
35 #include "libavutil/pixfmt.h"
36 #include "avcodec.h"
37 #include "codec.h"
38 #include "codec_desc.h"
39 #include "codec_internal.h"
40 #include "codec_par.h"
41 #include "decode.h"
42 #include "hwconfig.h"
43 #include "refstruct.h"
44 #include "thread.h"
45 #include "threadframe.h"
46 #include "internal.h"
47 #include "put_bits.h"
48 #include "startcode.h"
49 #include <stdlib.h>
50 #include <limits.h>
51 
52 void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
53 {
54  uint8_t **p = ptr;
55  if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
56  av_freep(p);
57  *size = 0;
58  return;
59  }
61  if (*p)
62  memset(*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
63 }
64 
65 void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
66 {
67  uint8_t **p = ptr;
68  if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
69  av_freep(p);
70  *size = 0;
71  return;
72  }
74  if (*p)
75  memset(*p, 0, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
76 }
77 
78 int av_codec_is_encoder(const AVCodec *avcodec)
79 {
80  const FFCodec *const codec = ffcodec(avcodec);
81  return codec && (codec->cb_type == FF_CODEC_CB_TYPE_ENCODE ||
84 }
85 
86 int av_codec_is_decoder(const AVCodec *avcodec)
87 {
88  const FFCodec *const codec = ffcodec(avcodec);
89  return codec && (codec->cb_type == FF_CODEC_CB_TYPE_DECODE ||
92 }
93 
95 {
96  int ret = av_image_check_size2(width, height, s->max_pixels, AV_PIX_FMT_NONE, 0, s);
97 
98  if (ret < 0)
99  width = height = 0;
100 
101  s->coded_width = width;
102  s->coded_height = height;
103  s->width = AV_CEIL_RSHIFT(width, s->lowres);
104  s->height = AV_CEIL_RSHIFT(height, s->lowres);
105 
106  return ret;
107 }
108 
110 {
111  int ret = av_image_check_sar(avctx->width, avctx->height, sar);
112 
113  if (ret < 0) {
114  av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
115  sar.num, sar.den);
116  avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
117  return ret;
118  } else {
119  avctx->sample_aspect_ratio = sar;
120  }
121  return 0;
122 }
123 
125  enum AVMatrixEncoding matrix_encoding)
126 {
127  AVFrameSideData *side_data;
128  enum AVMatrixEncoding *data;
129 
131  if (!side_data)
133  sizeof(enum AVMatrixEncoding));
134 
135  if (!side_data)
136  return AVERROR(ENOMEM);
137 
138  data = (enum AVMatrixEncoding*)side_data->data;
139  *data = matrix_encoding;
140 
141  return 0;
142 }
143 
145  int linesize_align[AV_NUM_DATA_POINTERS])
146 {
147  int i;
148  int w_align = 1;
149  int h_align = 1;
150  AVPixFmtDescriptor const *desc = av_pix_fmt_desc_get(s->pix_fmt);
151 
152  if (desc) {
153  w_align = 1 << desc->log2_chroma_w;
154  h_align = 1 << desc->log2_chroma_h;
155  }
156 
157  switch (s->pix_fmt) {
158  case AV_PIX_FMT_YUV420P:
159  case AV_PIX_FMT_YUYV422:
160  case AV_PIX_FMT_YVYU422:
161  case AV_PIX_FMT_UYVY422:
162  case AV_PIX_FMT_YUV422P:
163  case AV_PIX_FMT_YUV440P:
164  case AV_PIX_FMT_YUV444P:
165  case AV_PIX_FMT_GBRP:
166  case AV_PIX_FMT_GBRAP:
167  case AV_PIX_FMT_GRAY8:
168  case AV_PIX_FMT_GRAY16BE:
169  case AV_PIX_FMT_GRAY16LE:
170  case AV_PIX_FMT_YUVJ420P:
171  case AV_PIX_FMT_YUVJ422P:
172  case AV_PIX_FMT_YUVJ440P:
173  case AV_PIX_FMT_YUVJ444P:
174  case AV_PIX_FMT_YUVA420P:
175  case AV_PIX_FMT_YUVA422P:
176  case AV_PIX_FMT_YUVA444P:
233  case AV_PIX_FMT_GBRP9LE:
234  case AV_PIX_FMT_GBRP9BE:
235  case AV_PIX_FMT_GBRP10LE:
236  case AV_PIX_FMT_GBRP10BE:
237  case AV_PIX_FMT_GBRP12LE:
238  case AV_PIX_FMT_GBRP12BE:
239  case AV_PIX_FMT_GBRP14LE:
240  case AV_PIX_FMT_GBRP14BE:
241  case AV_PIX_FMT_GBRP16LE:
242  case AV_PIX_FMT_GBRP16BE:
247  w_align = 16; //FIXME assume 16 pixel per macroblock
248  h_align = 16 * 2; // interlaced needs 2 macroblocks height
249  if (s->codec_id == AV_CODEC_ID_BINKVIDEO)
250  w_align = 16*2;
251  break;
252  case AV_PIX_FMT_YUV411P:
253  case AV_PIX_FMT_YUVJ411P:
255  w_align = 32;
256  h_align = 16 * 2;
257  break;
258  case AV_PIX_FMT_YUV410P:
259  if (s->codec_id == AV_CODEC_ID_SVQ1) {
260  w_align = 64;
261  h_align = 64;
262  } else if (s->codec_id == AV_CODEC_ID_SNOW) {
263  w_align = 16;
264  h_align = 16;
265  }
266  break;
267  case AV_PIX_FMT_RGB555:
268  if (s->codec_id == AV_CODEC_ID_RPZA) {
269  w_align = 4;
270  h_align = 4;
271  }
272  if (s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
273  w_align = 8;
274  h_align = 8;
275  }
276  break;
277  case AV_PIX_FMT_PAL8:
278  case AV_PIX_FMT_BGR8:
279  case AV_PIX_FMT_RGB8:
280  if (s->codec_id == AV_CODEC_ID_SMC ||
281  s->codec_id == AV_CODEC_ID_CINEPAK) {
282  w_align = 4;
283  h_align = 4;
284  }
285  if (s->codec_id == AV_CODEC_ID_JV ||
286  s->codec_id == AV_CODEC_ID_ARGO ||
287  s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
288  w_align = 8;
289  h_align = 8;
290  }
291  if (s->codec_id == AV_CODEC_ID_MJPEG ||
292  s->codec_id == AV_CODEC_ID_MJPEGB ||
293  s->codec_id == AV_CODEC_ID_LJPEG ||
294  s->codec_id == AV_CODEC_ID_SMVJPEG ||
295  s->codec_id == AV_CODEC_ID_AMV ||
296  s->codec_id == AV_CODEC_ID_SP5X ||
297  s->codec_id == AV_CODEC_ID_JPEGLS) {
298  w_align = 8;
299  h_align = 2*8;
300  }
301  break;
302  case AV_PIX_FMT_BGR24:
303  if ((s->codec_id == AV_CODEC_ID_MSZH) ||
304  (s->codec_id == AV_CODEC_ID_ZLIB)) {
305  w_align = 4;
306  h_align = 4;
307  }
308  break;
309  case AV_PIX_FMT_RGB24:
310  if (s->codec_id == AV_CODEC_ID_CINEPAK) {
311  w_align = 4;
312  h_align = 4;
313  }
314  break;
315  case AV_PIX_FMT_BGR0:
316  if (s->codec_id == AV_CODEC_ID_ARGO) {
317  w_align = 8;
318  h_align = 8;
319  }
320  break;
321  default:
322  break;
323  }
324 
325  if (s->codec_id == AV_CODEC_ID_IFF_ILBM) {
326  w_align = FFMAX(w_align, 16);
327  }
328 
329  *width = FFALIGN(*width, w_align);
330  *height = FFALIGN(*height, h_align);
331  if (s->codec_id == AV_CODEC_ID_H264 || s->lowres ||
332  s->codec_id == AV_CODEC_ID_VC1 || s->codec_id == AV_CODEC_ID_WMV3 ||
333  s->codec_id == AV_CODEC_ID_VP5 || s->codec_id == AV_CODEC_ID_VP6 ||
334  s->codec_id == AV_CODEC_ID_VP6F || s->codec_id == AV_CODEC_ID_VP6A
335  ) {
336  // some of the optimized chroma MC reads one line too much
337  // which is also done in mpeg decoders with lowres > 0
338  *height += 2;
339 
340  // H.264 uses edge emulation for out of frame motion vectors, for this
341  // it requires a temporary area large enough to hold a 21x21 block,
342  // increasing witdth ensure that the temporary area is large enough,
343  // the next rounded up width is 32
344  *width = FFMAX(*width, 32);
345  }
346  if (s->codec_id == AV_CODEC_ID_SVQ3) {
347  *width = FFMAX(*width, 32);
348  }
349 
350  for (i = 0; i < 4; i++)
351  linesize_align[i] = STRIDE_ALIGN;
352 }
353 
355 {
356  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
357  int chroma_shift = desc->log2_chroma_w;
358  int linesize_align[AV_NUM_DATA_POINTERS];
359  int align;
360 
361  avcodec_align_dimensions2(s, width, height, linesize_align);
362  align = FFMAX(linesize_align[0], linesize_align[3]);
363  linesize_align[1] <<= chroma_shift;
364  linesize_align[2] <<= chroma_shift;
365  align = FFMAX3(align, linesize_align[1], linesize_align[2]);
366  *width = FFALIGN(*width, align);
367 }
368 
369 int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
370  enum AVSampleFormat sample_fmt, const uint8_t *buf,
371  int buf_size, int align)
372 {
373  int ch, planar, needed_size, ret = 0;
374 
375  needed_size = av_samples_get_buffer_size(NULL, nb_channels,
376  frame->nb_samples, sample_fmt,
377  align);
378  if (buf_size < needed_size)
379  return AVERROR(EINVAL);
380 
381  planar = av_sample_fmt_is_planar(sample_fmt);
382  if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
383  if (!FF_ALLOCZ_TYPED_ARRAY(frame->extended_data, nb_channels))
384  return AVERROR(ENOMEM);
385  } else {
386  frame->extended_data = frame->data;
387  }
388 
389  if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
390  (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples,
391  sample_fmt, align)) < 0) {
392  if (frame->extended_data != frame->data)
393  av_freep(&frame->extended_data);
394  return ret;
395  }
396  if (frame->extended_data != frame->data) {
397  for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
398  frame->data[ch] = frame->extended_data[ch];
399  }
400 
401  return ret;
402 }
403 
404 
407 }
408 
409 const char *avcodec_get_name(enum AVCodecID id)
410 {
411  const AVCodecDescriptor *cd;
412  const AVCodec *codec;
413 
414  if (id == AV_CODEC_ID_NONE)
415  return "none";
416  cd = avcodec_descriptor_get(id);
417  if (cd)
418  return cd->name;
419  av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
420  codec = avcodec_find_decoder(id);
421  if (codec)
422  return codec->name;
423  codec = avcodec_find_encoder(id);
424  if (codec)
425  return codec->name;
426  return "unknown_codec";
427 }
428 
429 const char *av_get_profile_name(const AVCodec *codec, int profile)
430 {
431  const AVProfile *p;
432  if (profile == AV_PROFILE_UNKNOWN || !codec->profiles)
433  return NULL;
434 
435  for (p = codec->profiles; p->profile != AV_PROFILE_UNKNOWN; p++)
436  if (p->profile == profile)
437  return p->name;
438 
439  return NULL;
440 }
441 
443 {
445  const AVProfile *p;
446 
447  if (profile == AV_PROFILE_UNKNOWN || !desc || !desc->profiles)
448  return NULL;
449 
450  for (p = desc->profiles; p->profile != AV_PROFILE_UNKNOWN; p++)
451  if (p->profile == profile)
452  return p->name;
453 
454  return NULL;
455 }
456 
458 {
459  switch (codec_id) {
460  case AV_CODEC_ID_DFPWM:
461  return 1;
477  return 4;
485  case AV_CODEC_ID_PCM_S8:
487  case AV_CODEC_ID_PCM_SGA:
488  case AV_CODEC_ID_PCM_U8:
493  return 8;
500  return 16;
507  return 24;
517  return 32;
522  return 64;
523  default:
524  return 0;
525  }
526 }
527 
529 {
530  static const enum AVCodecID map[][2] = {
542  };
543  if (fmt < 0 || fmt >= FF_ARRAY_ELEMS(map))
544  return AV_CODEC_ID_NONE;
545  if (be < 0 || be > 1)
546  be = AV_NE(1, 0);
547  return map[fmt][be];
548 }
549 
551 {
552  switch (codec_id) {
553  case AV_CODEC_ID_DFPWM:
554  return 1;
556  return 2;
558  return 3;
564  return 4;
565  default:
567  }
568 }
569 
570 static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
571  uint32_t tag, int bits_per_coded_sample, int64_t bitrate,
572  uint8_t * extradata, int frame_size, int frame_bytes)
573 {
575  int framecount = (ba > 0 && frame_bytes / ba > 0) ? frame_bytes / ba : 1;
576 
577  /* codecs with an exact constant bits per sample */
578  if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768)
579  return (frame_bytes * 8LL) / (bps * ch);
580  bps = bits_per_coded_sample;
581 
582  /* codecs with a fixed packet duration */
583  switch (id) {
584  case AV_CODEC_ID_ADPCM_ADX: return 32;
585  case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
586  case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
587  case AV_CODEC_ID_AMR_NB:
588  case AV_CODEC_ID_EVRC:
589  case AV_CODEC_ID_GSM:
590  case AV_CODEC_ID_QCELP:
591  case AV_CODEC_ID_RA_288: return 160;
592  case AV_CODEC_ID_AMR_WB:
593  case AV_CODEC_ID_GSM_MS: return 320;
594  case AV_CODEC_ID_MP1: return 384;
595  case AV_CODEC_ID_ATRAC1: return 512;
596  case AV_CODEC_ID_ATRAC9:
597  case AV_CODEC_ID_ATRAC3:
598  if (framecount > INT_MAX/1024)
599  return 0;
600  return 1024 * framecount;
601  case AV_CODEC_ID_ATRAC3P: return 2048;
602  case AV_CODEC_ID_MP2:
603  case AV_CODEC_ID_MUSEPACK7: return 1152;
604  case AV_CODEC_ID_AC3: return 1536;
605  case AV_CODEC_ID_FTR: return 1024;
606  }
607 
608  if (sr > 0) {
609  /* calc from sample rate */
610  if (id == AV_CODEC_ID_TTA)
611  return 256ll * sr / 245;
612  else if (id == AV_CODEC_ID_DST)
613  return 588ll * sr / 44100;
614  else if (id == AV_CODEC_ID_BINKAUDIO_DCT) {
615  if (sr / 22050 > 22)
616  return 0;
617  return (480 << (sr / 22050));
618  }
619 
620  if (id == AV_CODEC_ID_MP3)
621  return sr <= 24000 ? 576 : 1152;
622  }
623 
624  if (ba > 0) {
625  /* calc from block_align */
626  if (id == AV_CODEC_ID_SIPR) {
627  switch (ba) {
628  case 20: return 160;
629  case 19: return 144;
630  case 29: return 288;
631  case 37: return 480;
632  }
633  } else if (id == AV_CODEC_ID_ILBC) {
634  switch (ba) {
635  case 38: return 160;
636  case 50: return 240;
637  }
638  }
639  }
640 
641  if (frame_bytes > 0) {
642  /* calc from frame_bytes only */
643  if (id == AV_CODEC_ID_TRUESPEECH)
644  return 240 * (frame_bytes / 32);
645  if (id == AV_CODEC_ID_NELLYMOSER)
646  return 256 * (frame_bytes / 64);
647  if (id == AV_CODEC_ID_RA_144)
648  return 160 * (frame_bytes / 20);
649  if (id == AV_CODEC_ID_APTX)
650  return 4 * (frame_bytes / 4);
651  if (id == AV_CODEC_ID_APTX_HD)
652  return 4 * (frame_bytes / 6);
653 
654  if (bps > 0) {
655  /* calc from frame_bytes and bits_per_coded_sample */
657  return frame_bytes * 8 / bps;
658  }
659 
660  if (ch > 0 && ch < INT_MAX/16) {
661  /* calc from frame_bytes and channels */
662  switch (id) {
664  return frame_bytes / (40 * ch) * 256;
666  return (frame_bytes - 4 * ch) / (128 * ch) * 256;
668  return frame_bytes / (9 * ch) * 16;
671  frame_bytes /= 16 * ch;
672  if (frame_bytes > INT_MAX / 28)
673  return 0;
674  return frame_bytes * 28;
679  return (frame_bytes - 4 * ch) * 2 / ch;
681  return (frame_bytes - 4) * 2 / ch;
683  return (frame_bytes - 8) * 2;
686  if (extradata)
687  return frame_bytes * 14LL / (8 * ch);
688  break;
690  return (frame_bytes / 128) * 224 / ch;
692  return (frame_bytes - 6 - ch) / ch;
694  return (frame_bytes - 8) / ch;
696  return (frame_bytes - 2 * ch) / ch;
697  case AV_CODEC_ID_MACE3:
698  return 3 * frame_bytes / ch;
699  case AV_CODEC_ID_MACE6:
700  return 6 * frame_bytes / ch;
701  case AV_CODEC_ID_PCM_LXF:
702  return 2 * (frame_bytes / (5 * ch));
703  case AV_CODEC_ID_IAC:
704  case AV_CODEC_ID_IMC:
705  return 4 * frame_bytes / ch;
706  }
707 
708  if (tag) {
709  /* calc from frame_bytes, channels, and codec_tag */
710  if (id == AV_CODEC_ID_SOL_DPCM) {
711  if (tag == 3)
712  return frame_bytes / ch;
713  else
714  return frame_bytes * 2 / ch;
715  }
716  }
717 
718  if (ba > 0) {
719  /* calc from frame_bytes, channels, and block_align */
720  int blocks = frame_bytes / ba;
721  int64_t tmp = 0;
722  switch (id) {
724  if (bps < 2 || bps > 5)
725  return 0;
726  tmp = blocks * (1LL + (ba - 4 * ch) / (bps * ch) * 8);
727  break;
729  tmp = blocks * (((ba - 16LL) * 2 / 3 * 4) / ch);
730  break;
732  tmp = blocks * (1 + (ba - 4LL * ch) * 2 / ch);
733  break;
735  tmp = blocks * ((ba - 4LL * ch) * 2 / ch);
736  break;
738  tmp = blocks * (2 + (ba - 7LL * ch) * 2LL / ch);
739  break;
741  tmp = blocks * (ba - 16LL) * 2 / ch;
742  break;
744  tmp = blocks * 32;
745  break;
746  }
747  if (tmp) {
748  if (tmp != (int)tmp)
749  return 0;
750  return tmp;
751  }
752  }
753 
754  if (bps > 0) {
755  /* calc from frame_bytes, channels, and bits_per_coded_sample */
756  switch (id) {
757  case AV_CODEC_ID_PCM_DVD:
758  if(bps<4 || frame_bytes<3)
759  return 0;
760  return 2 * ((frame_bytes - 3) / ((bps * 2 / 8) * ch));
762  if(bps<4 || frame_bytes<4)
763  return 0;
764  return (frame_bytes - 4) / ((FFALIGN(ch, 2) * bps) / 8);
765  case AV_CODEC_ID_S302M:
766  return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
767  }
768  }
769  }
770  }
771 
772  /* Fall back on using frame_size */
773  if (frame_size > 1 && frame_bytes)
774  return frame_size;
775 
776  //For WMA we currently have no other means to calculate duration thus we
777  //do it here by assuming CBR, which is true for all known cases.
778  if (bitrate > 0 && frame_bytes > 0 && sr > 0 && ba > 1) {
779  if (id == AV_CODEC_ID_WMAV1 || id == AV_CODEC_ID_WMAV2)
780  return (frame_bytes * 8LL * sr) / bitrate;
781  }
782 
783  return 0;
784 }
785 
786 int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
787 {
788  int channels = avctx->ch_layout.nb_channels;
789  int duration;
790 
792  channels, avctx->block_align,
793  avctx->codec_tag, avctx->bits_per_coded_sample,
794  avctx->bit_rate, avctx->extradata, avctx->frame_size,
795  frame_bytes);
796  return FFMAX(0, duration);
797 }
798 
800 {
801  int channels = par->ch_layout.nb_channels;
802  int duration;
803 
805  channels, par->block_align,
806  par->codec_tag, par->bits_per_coded_sample,
807  par->bit_rate, par->extradata, par->frame_size,
808  frame_bytes);
809  return FFMAX(0, duration);
810 }
811 
812 unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
813 {
814  unsigned int n = 0;
815 
816  while (v >= 0xff) {
817  *s++ = 0xff;
818  v -= 0xff;
819  n++;
820  }
821  *s = v;
822  n++;
823  return n;
824 }
825 
826 int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
827 {
828  int i;
829  for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
830  return i;
831 }
832 
834 {
835  const FFCodec *const codec = ffcodec(avcodec);
836  int i;
837  if (!codec->hw_configs || index < 0)
838  return NULL;
839  for (i = 0; i <= index; i++)
840  if (!codec->hw_configs[i])
841  return NULL;
842  return &codec->hw_configs[index]->public;
843 }
844 
846 {
847  int ret;
848 
849  dst->owner[0] = src->owner[0];
850  dst->owner[1] = src->owner[1];
851 
852  ret = av_frame_ref(dst->f, src->f);
853  if (ret < 0)
854  return ret;
855 
856  av_assert0(!dst->progress);
857 
858  if (src->progress)
859  dst->progress = ff_refstruct_ref(src->progress);
860 
861  return 0;
862 }
863 
865 {
866  int ret;
867 
868  dst->owner[0] = src->owner[0];
869  dst->owner[1] = src->owner[1];
870 
871  ret = av_frame_replace(dst->f, src->f);
872  if (ret < 0)
873  return ret;
874 
875  ff_refstruct_replace(&dst->progress, src->progress);
876 
877  return 0;
878 }
879 
880 #if !HAVE_THREADS
881 
883 {
884  return ff_get_buffer(avctx, f, flags);
885 }
886 
888 {
889  f->owner[0] = f->owner[1] = avctx;
890  return ff_get_buffer(avctx, f->f, flags);
891 }
892 
894 {
895  f->owner[0] = f->owner[1] = NULL;
896  if (f->f)
897  av_frame_unref(f->f);
898 }
899 
901 {
902 }
903 
904 void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
905 {
906 }
907 
908 void ff_thread_await_progress(const ThreadFrame *f, int progress, int field)
909 {
910 }
911 
913 {
914  return 1;
915 }
916 #endif
917 
918 const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
919  const uint8_t *end,
920  uint32_t *restrict state)
921 {
922  int i;
923 
924  av_assert0(p <= end);
925  if (p >= end)
926  return end;
927 
928  for (i = 0; i < 3; i++) {
929  uint32_t tmp = *state << 8;
930  *state = tmp + *(p++);
931  if (tmp == 0x100 || p == end)
932  return p;
933  }
934 
935  while (p < end) {
936  if (p[-1] > 1 ) p += 3;
937  else if (p[-2] ) p += 2;
938  else if (p[-3]|(p[-1]-1)) p++;
939  else {
940  p++;
941  break;
942  }
943  }
944 
945  p = FFMIN(p, end) - 4;
946  *state = AV_RB32(p);
947 
948  return p + 4;
949 }
950 
952 {
953  AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
954  if (!props)
955  return NULL;
956 
957  if (size)
958  *size = sizeof(*props);
959 
960  props->vbv_delay = UINT64_MAX;
961 
962  return props;
963 }
964 
965 static unsigned bcd2uint(uint8_t bcd)
966 {
967  unsigned low = bcd & 0xf;
968  unsigned high = bcd >> 4;
969  if (low > 9 || high > 9)
970  return 0;
971  return low + 10*high;
972 }
973 
974 int ff_alloc_timecode_sei(const AVFrame *frame, AVRational rate, size_t prefix_len,
975  void **data, size_t *sei_size)
976 {
977  AVFrameSideData *sd = NULL;
978  uint8_t *sei_data;
979  PutBitContext pb;
980  uint32_t *tc;
981  int m;
982 
983  if (frame)
985 
986  if (!sd) {
987  *data = NULL;
988  return 0;
989  }
990  tc = (uint32_t*)sd->data;
991  m = tc[0] & 3;
992 
993  *sei_size = sizeof(uint32_t) * 4;
994  *data = av_mallocz(*sei_size + prefix_len);
995  if (!*data)
996  return AVERROR(ENOMEM);
997  sei_data = (uint8_t*)*data + prefix_len;
998 
999  init_put_bits(&pb, sei_data, *sei_size);
1000  put_bits(&pb, 2, m); // num_clock_ts
1001 
1002  for (int j = 1; j <= m; j++) {
1003  uint32_t tcsmpte = tc[j];
1004  unsigned hh = bcd2uint(tcsmpte & 0x3f); // 6-bit hours
1005  unsigned mm = bcd2uint(tcsmpte>>8 & 0x7f); // 7-bit minutes
1006  unsigned ss = bcd2uint(tcsmpte>>16 & 0x7f); // 7-bit seconds
1007  unsigned ff = bcd2uint(tcsmpte>>24 & 0x3f); // 6-bit frames
1008  unsigned drop = tcsmpte & 1<<30 && !0; // 1-bit drop if not arbitrary bit
1009 
1010  /* Calculate frame number of HEVC by SMPTE ST 12-1:2014 Sec 12.2 if rate > 30FPS */
1011  if (av_cmp_q(rate, (AVRational) {30, 1}) == 1) {
1012  unsigned pc;
1013  ff *= 2;
1014  if (av_cmp_q(rate, (AVRational) {50, 1}) == 0)
1015  pc = !!(tcsmpte & 1 << 7);
1016  else
1017  pc = !!(tcsmpte & 1 << 23);
1018  ff = (ff + pc) & 0x7f;
1019  }
1020 
1021  put_bits(&pb, 1, 1); // clock_timestamp_flag
1022  put_bits(&pb, 1, 1); // units_field_based_flag
1023  put_bits(&pb, 5, 0); // counting_type
1024  put_bits(&pb, 1, 1); // full_timestamp_flag
1025  put_bits(&pb, 1, 0); // discontinuity_flag
1026  put_bits(&pb, 1, drop);
1027  put_bits(&pb, 9, ff);
1028  put_bits(&pb, 6, ss);
1029  put_bits(&pb, 6, mm);
1030  put_bits(&pb, 5, hh);
1031  put_bits(&pb, 5, 0);
1032  }
1033  flush_put_bits(&pb);
1034 
1035  return 0;
1036 }
1037 
1039 {
1040  AVRational framerate = avctx->framerate;
1041  int bits_per_coded_sample = avctx->bits_per_coded_sample;
1042  int64_t bitrate;
1043 
1044  if (!(framerate.num && framerate.den))
1045  framerate = av_inv_q(avctx->time_base);
1046  if (!(framerate.num && framerate.den))
1047  return 0;
1048 
1049  if (!bits_per_coded_sample) {
1051  bits_per_coded_sample = av_get_bits_per_pixel(desc);
1052  }
1053  bitrate = (int64_t)bits_per_coded_sample * avctx->width * avctx->height *
1054  framerate.num / framerate.den;
1055 
1056  return bitrate;
1057 }
FF_ALLOCZ_TYPED_ARRAY
#define FF_ALLOCZ_TYPED_ARRAY(p, nelem)
Definition: internal.h:78
AV_CODEC_ID_PCM_S16LE
@ AV_CODEC_ID_PCM_S16LE
Definition: codec_id.h:334
hwconfig.h
AVCodecContext::frame_size
int frame_size
Number of samples per channel in an audio frame.
Definition: avcodec.h:1083
AV_CODEC_ID_MACE6
@ AV_CODEC_ID_MACE6
Definition: codec_id.h:456
be
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it be(in the first position) for now. Options ------- Then comes the options array. This is what will define the user accessible options. For example
AVCodec
AVCodec.
Definition: codec.h:187
AV_SAMPLE_FMT_FLTP
@ AV_SAMPLE_FMT_FLTP
float, planar
Definition: samplefmt.h:66
AV_PIX_FMT_YUV420P9LE
@ AV_PIX_FMT_YUV420P9LE
planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:154
AV_CODEC_ID_VP6F
@ AV_CODEC_ID_VP6F
Definition: codec_id.h:144
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:215
AV_CODEC_ID_PCM_F32BE
@ AV_CODEC_ID_PCM_F32BE
Definition: codec_id.h:354
AV_CODEC_ID_DSD_LSBF
@ AV_CODEC_ID_DSD_LSBF
Definition: codec_id.h:519
AVCodecParameters::extradata
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: codec_par.h:69
AV_CODEC_ID_ADPCM_MS
@ AV_CODEC_ID_ADPCM_MS
Definition: codec_id.h:379
AV_CODEC_ID_ADPCM_IMA_QT
@ AV_CODEC_ID_ADPCM_IMA_QT
Definition: codec_id.h:373
AV_CODEC_ID_AC3
@ AV_CODEC_ID_AC3
Definition: codec_id.h:449
ff_refstruct_ref
void * ff_refstruct_ref(void *obj)
Create a new reference to an object managed via this API, i.e.
Definition: refstruct.c:140
AVERROR
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
AV_CODEC_ID_PCM_BLURAY
@ AV_CODEC_ID_PCM_BLURAY
Definition: codec_id.h:358
FF_CODEC_CB_TYPE_RECEIVE_PACKET
@ FF_CODEC_CB_TYPE_RECEIVE_PACKET
Definition: codec_internal.h:124
AV_CODEC_ID_ADPCM_DTK
@ AV_CODEC_ID_ADPCM_DTK
Definition: codec_id.h:406
AVCodecContext::sample_rate
int sample_rate
samples per second
Definition: avcodec.h:1056
av_frame_get_side_data
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:963
av_frame_new_side_data
AVFrameSideData * av_frame_new_side_data(AVFrame *frame, enum AVFrameSideDataType type, size_t size)
Add a new side data to a frame.
Definition: frame.c:811
AVCodecParameters
This struct describes the properties of an encoded stream.
Definition: codec_par.h:47
AV_PIX_FMT_GBRP16BE
@ AV_PIX_FMT_GBRP16BE
planar GBR 4:4:4 48bpp, big-endian
Definition: pixfmt.h:171
AV_PIX_FMT_GBRP10BE
@ AV_PIX_FMT_GBRP10BE
planar GBR 4:4:4 30bpp, big-endian
Definition: pixfmt.h:169
AVProfile::name
const char * name
short name for the profile
Definition: codec.h:181
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:3170
AV_CODEC_ID_8SVX_EXP
@ AV_CODEC_ID_8SVX_EXP
Definition: codec_id.h:500
AV_PIX_FMT_YUV422P14LE
@ AV_PIX_FMT_YUV422P14LE
planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:274
ff_thread_release_ext_buffer
void ff_thread_release_ext_buffer(ThreadFrame *f)
Unref a ThreadFrame.
Definition: utils.c:893
AVCodecDescriptor::name
const char * name
Name of the codec described by this descriptor.
Definition: codec_desc.h:46
int64_t
long long int64_t
Definition: coverity.c:34
ff_thread_can_start_frame
int ff_thread_can_start_frame(AVCodecContext *avctx)
Definition: utils.c:912
av_samples_fill_arrays
int av_samples_fill_arrays(uint8_t **audio_data, int *linesize, const uint8_t *buf, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
Fill plane data pointers and linesize for samples with sample format sample_fmt.
Definition: samplefmt.c:153
init_put_bits
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
Definition: put_bits.h:62
AV_FRAME_DATA_S12M_TIMECODE
@ AV_FRAME_DATA_S12M_TIMECODE
Timecode which conforms to SMPTE ST 12-1.
Definition: frame.h:152
AV_CODEC_ID_PCM_S32LE_PLANAR
@ AV_CODEC_ID_PCM_S32LE_PLANAR
Definition: codec_id.h:363
avcodec_find_encoder
const AVCodec * avcodec_find_encoder(enum AVCodecID id)
Find a registered encoder with a matching codec ID.
Definition: allcodecs.c:1007
AV_CODEC_ID_FASTAUDIO
@ AV_CODEC_ID_FASTAUDIO
Definition: codec_id.h:540
AV_CODEC_ID_RA_144
@ AV_CODEC_ID_RA_144
Definition: codec_id.h:431
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:389
put_bits
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:223
tmp
static uint8_t tmp[11]
Definition: aes_ctr.c:28
AV_PIX_FMT_YUVA444P10BE
@ AV_PIX_FMT_YUVA444P10BE
planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
Definition: pixfmt.h:185
pixdesc.h
AV_PIX_FMT_YUV440P12BE
@ AV_PIX_FMT_YUV440P12BE
planar YUV 4:4:0,24bpp, (1 Cr & Cb sample per 1x2 Y samples), big-endian
Definition: pixfmt.h:301
internal.h
AV_CODEC_ID_PCM_S16BE_PLANAR
@ AV_CODEC_ID_PCM_S16BE_PLANAR
Definition: codec_id.h:364
AV_CODEC_ID_VP6
@ AV_CODEC_ID_VP6
Definition: codec_id.h:143
b
#define b
Definition: input.c:41
AV_SAMPLE_FMT_S32P
@ AV_SAMPLE_FMT_S32P
signed 32 bits, planar
Definition: samplefmt.h:65
data
const char data[16]
Definition: mxf.c:149
AV_CODEC_ID_PCM_U24LE
@ AV_CODEC_ID_PCM_U24LE
Definition: codec_id.h:348
AV_PIX_FMT_YUV420P14BE
@ AV_PIX_FMT_YUV420P14BE
planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:269
high
int high
Definition: dovi_rpuenc.c:38
avcodec_align_dimensions
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
Modify width and height values so that they will result in a memory buffer that is acceptable for the...
Definition: utils.c:354
AV_CODEC_ID_AMR_NB
@ AV_CODEC_ID_AMR_NB
Definition: codec_id.h:427
AV_PIX_FMT_YUV420P16LE
@ AV_PIX_FMT_YUV420P16LE
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:128
AV_CODEC_ID_ADPCM_AICA
@ AV_CODEC_ID_ADPCM_AICA
Definition: codec_id.h:411
AV_CODEC_ID_ADPCM_IMA_OKI
@ AV_CODEC_ID_ADPCM_IMA_OKI
Definition: codec_id.h:405
AV_CODEC_ID_PCM_SGA
@ AV_CODEC_ID_PCM_SGA
Definition: codec_id.h:370
FFCodec
Definition: codec_internal.h:127
AV_CODEC_ID_SOL_DPCM
@ AV_CODEC_ID_SOL_DPCM
Definition: codec_id.h:438
AV_CODEC_ID_WMAV2
@ AV_CODEC_ID_WMAV2
Definition: codec_id.h:454
AV_CODEC_ID_ADPCM_G722
@ AV_CODEC_ID_ADPCM_G722
Definition: codec_id.h:401
AV_PIX_FMT_GBRP14BE
@ AV_PIX_FMT_GBRP14BE
planar GBR 4:4:4 42bpp, big-endian
Definition: pixfmt.h:281
AV_PIX_FMT_BGR24
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:76
av_get_bits_per_pixel
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel used by the pixel format described by pixdesc.
Definition: pixdesc.c:3122
AVCodecParameters::codec_tag
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
Definition: codec_par.h:59
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:106
FF_CODEC_CB_TYPE_ENCODE_SUB
@ FF_CODEC_CB_TYPE_ENCODE_SUB
Definition: codec_internal.h:121
FFMAX
#define FFMAX(a, b)
Definition: macros.h:47
AV_CODEC_ID_IMC
@ AV_CODEC_ID_IMC
Definition: codec_id.h:473
AV_PIX_FMT_YUVA444P9BE
@ AV_PIX_FMT_YUVA444P9BE
planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), big-endian
Definition: pixfmt.h:179
AV_PIX_FMT_YUV422P9BE
@ AV_PIX_FMT_YUV422P9BE
planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:163
avcodec_profile_name
const char * avcodec_profile_name(enum AVCodecID codec_id, int profile)
Return a name for the specified profile, if available.
Definition: utils.c:442
AVChannelLayout::nb_channels
int nb_channels
Number of channels in this layout.
Definition: channel_layout.h:327
AV_CODEC_ID_ADPCM_XMD
@ AV_CODEC_ID_ADPCM_XMD
Definition: codec_id.h:424
thread.h
AV_CODEC_ID_PCM_S16LE_PLANAR
@ AV_CODEC_ID_PCM_S16LE_PLANAR
Definition: codec_id.h:352
AV_CODEC_ID_ADPCM_THP_LE
@ AV_CODEC_ID_ADPCM_THP_LE
Definition: codec_id.h:409
AV_CODEC_ID_AMR_WB
@ AV_CODEC_ID_AMR_WB
Definition: codec_id.h:428
AV_PIX_FMT_YUV444P16LE
@ AV_PIX_FMT_YUV444P16LE
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:132
AV_CODEC_ID_PCM_S64LE
@ AV_CODEC_ID_PCM_S64LE
Definition: codec_id.h:365
AVProfile
AVProfile.
Definition: codec.h:179
AV_PIX_FMT_GBRAP12LE
@ AV_PIX_FMT_GBRAP12LE
planar GBR 4:4:4:4 48bpp, little-endian
Definition: pixfmt.h:311
AV_CODEC_ID_DSD_MSBF_PLANAR
@ AV_CODEC_ID_DSD_MSBF_PLANAR
Definition: codec_id.h:522
AV_CODEC_ID_ADPCM_CT
@ AV_CODEC_ID_ADPCM_CT
Definition: codec_id.h:385
AVCodecContext::framerate
AVRational framerate
Definition: avcodec.h:566
AV_PIX_FMT_GRAY16BE
@ AV_PIX_FMT_GRAY16BE
Y , 16bpp, big-endian.
Definition: pixfmt.h:104
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:212
AV_CODEC_ID_IFF_ILBM
@ AV_CODEC_ID_IFF_ILBM
Definition: codec_id.h:188
AV_PIX_FMT_YUV420P12LE
@ AV_PIX_FMT_YUV420P12LE
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:268
AV_CODEC_ID_PCM_S16BE
@ AV_CODEC_ID_PCM_S16BE
Definition: codec_id.h:335
AV_FRAME_DATA_MATRIXENCODING
@ AV_FRAME_DATA_MATRIXENCODING
The data is the AVMatrixEncoding enum defined in libavutil/channel_layout.h.
Definition: frame.h:68
STRIDE_ALIGN
#define STRIDE_ALIGN
Definition: internal.h:46
AVCodecContext::ch_layout
AVChannelLayout ch_layout
Audio channel layout.
Definition: avcodec.h:1071
AV_CODEC_ID_XAN_DPCM
@ AV_CODEC_ID_XAN_DPCM
Definition: codec_id.h:437
AV_CODEC_ID_MSZH
@ AV_CODEC_ID_MSZH
Definition: codec_id.h:105
tab
static const struct twinvq_data tab
Definition: twinvq_data.h:10345
AV_SAMPLE_FMT_S64P
@ AV_SAMPLE_FMT_S64P
signed 64 bits, planar
Definition: samplefmt.h:69
AV_CODEC_ID_SMC
@ AV_CODEC_ID_SMC
Definition: codec_id.h:101
AV_CODEC_ID_MP3
@ AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: codec_id.h:447
ss
#define ss(width, name, subs,...)
Definition: cbs_vp9.c:202
AV_PIX_FMT_YUVA444P16BE
@ AV_PIX_FMT_YUVA444P16BE
planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
Definition: pixfmt.h:191
planar
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(const uint8_t *) pi - 0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(const int16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_S16, *(const int16_t *) pi *(1<< 16)) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(const int16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(const int32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(const int32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(const int64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64, *(const int64_t *) pi *(1.0f/(UINT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64, *(const int64_t *) pi *(1.0/(UINT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(const float *) pi *(UINT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(const double *) pi *(UINT64_C(1)<< 63))) #define FMT_PAIR_FUNC(out, in) static conv_func_type *const fmt_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), };static void cpy1(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, len);} static void cpy2(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 2 *len);} static void cpy4(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 4 *len);} static void cpy8(uint8_t **dst, const uint8_t **src, int len){ memcpy(*dst, *src, 8 *len);} AudioConvert *swri_audio_convert_alloc(enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, const int *ch_map, int flags) { 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) return NULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) return NULL;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)){ case 1:ctx->simd_f=cpy1;break;case 2:ctx->simd_f=cpy2;break;case 4:ctx->simd_f=cpy4;break;case 8:ctx->simd_f=cpy8;break;} } return ctx;} void swri_audio_convert_free(AudioConvert **ctx) { av_freep(ctx);} int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len) { int ch;int off=0;const int os=(out->planar ? 1 :out->ch_count) *out->bps;unsigned misaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask) { int planes=in->planar ? in->ch_count :1;unsigned m=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) { int planes=out->planar ? out->ch_count :1;unsigned m=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){ int planes=out->planar ? out->ch_count :1;for(ch=0;ch< planes;ch++){ ctx->simd_f(out->ch+ch,(const uint8_t **) in->ch+ch, off *(out-> planar
Definition: audioconvert.c:56
AV_CODEC_ID_8SVX_FIB
@ AV_CODEC_ID_8SVX_FIB
Definition: codec_id.h:501
codec.h
AVRational::num
int num
Numerator.
Definition: rational.h:59
AV_PIX_FMT_YUV444P10BE
@ AV_PIX_FMT_YUV444P10BE
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:161
refstruct.h
av_image_check_size2
int av_image_check_size2(unsigned int w, unsigned int h, int64_t max_pixels, enum AVPixelFormat pix_fmt, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of a plane of an image with...
Definition: imgutils.c:289
AV_PIX_FMT_YUV420P10LE
@ AV_PIX_FMT_YUV420P10LE
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:156
AV_CODEC_ID_ATRAC3
@ AV_CODEC_ID_ATRAC3
Definition: codec_id.h:477
FF_CODEC_CB_TYPE_DECODE
@ FF_CODEC_CB_TYPE_DECODE
Definition: codec_internal.h:109
AV_PIX_FMT_YUV444P12LE
@ AV_PIX_FMT_YUV444P12LE
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:276
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:283
av_get_bits_per_sample
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:550
AV_CODEC_ID_SIPR
@ AV_CODEC_ID_SIPR
Definition: codec_id.h:487
AV_CODEC_ID_ADPCM_SBPRO_2
@ AV_CODEC_ID_ADPCM_SBPRO_2
Definition: codec_id.h:390
AV_PIX_FMT_YUV422P12BE
@ AV_PIX_FMT_YUV422P12BE
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:271
AV_PIX_FMT_YUV444P14LE
@ AV_PIX_FMT_YUV444P14LE
planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:278
AV_CODEC_ID_WMAV1
@ AV_CODEC_ID_WMAV1
Definition: codec_id.h:453
AV_CODEC_ID_PCM_S8
@ AV_CODEC_ID_PCM_S8
Definition: codec_id.h:338
AV_PIX_FMT_BGR8
@ AV_PIX_FMT_BGR8
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
Definition: pixfmt.h:90
avassert.h
AV_CODEC_ID_MACE3
@ AV_CODEC_ID_MACE3
Definition: codec_id.h:455
AV_CODEC_ID_ATRAC3P
@ AV_CODEC_ID_ATRAC3P
Definition: codec_id.h:485
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen.c:29
AV_PROFILE_UNKNOWN
#define AV_PROFILE_UNKNOWN
Definition: defs.h:65
AV_CODEC_ID_TTA
@ AV_CODEC_ID_TTA
Definition: codec_id.h:468
duration
int64_t duration
Definition: movenc.c:65
AVCodecParameters::frame_size
int frame_size
Audio only.
Definition: codec_par.h:195
AV_CODEC_ID_S302M
@ AV_CODEC_ID_S302M
Definition: codec_id.h:360
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:86
AV_PIX_FMT_GBRAP16BE
@ AV_PIX_FMT_GBRAP16BE
planar GBRA 4:4:4:4 64bpp, big-endian
Definition: pixfmt.h:213
AV_CODEC_ID_ADPCM_IMA_ACORN
@ AV_CODEC_ID_ADPCM_IMA_ACORN
Definition: codec_id.h:423
AV_CODEC_ID_ADPCM_G726
@ AV_CODEC_ID_ADPCM_G726
Definition: codec_id.h:384
AVCodecDescriptor
This struct describes the properties of a single codec described by an AVCodecID.
Definition: codec_desc.h:38
intreadwrite.h
s
#define s(width, name)
Definition: cbs_vp9.c:198
AV_PIX_FMT_GBRP16LE
@ AV_PIX_FMT_GBRP16LE
planar GBR 4:4:4 48bpp, little-endian
Definition: pixfmt.h:172
AV_CODEC_ID_PCM_LXF
@ AV_CODEC_ID_PCM_LXF
Definition: codec_id.h:359
AV_NE
#define AV_NE(be, le)
Definition: macros.h:33
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:108
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:60
height
static int height
Definition: utils.c:158
AV_CODEC_ID_ADPCM_AFC
@ AV_CODEC_ID_ADPCM_AFC
Definition: codec_id.h:404
AV_CODEC_ID_ADPCM_IMA_EA_SEAD
@ AV_CODEC_ID_ADPCM_IMA_EA_SEAD
Definition: codec_id.h:396
bitrate
int64_t bitrate
Definition: av1_levels.c:47
frame_size
int frame_size
Definition: mxfenc.c:2429
AV_CODEC_ID_WADY_DPCM
@ AV_CODEC_ID_WADY_DPCM
Definition: codec_id.h:442
AV_CODEC_ID_MP2
@ AV_CODEC_ID_MP2
Definition: codec_id.h:446
AV_CODEC_ID_ADPCM_IMA_DK3
@ AV_CODEC_ID_ADPCM_IMA_DK3
Definition: codec_id.h:375
AV_CODEC_ID_ARGO
@ AV_CODEC_ID_ARGO
Definition: codec_id.h:311
AV_PIX_FMT_GBRP12LE
@ AV_PIX_FMT_GBRP12LE
planar GBR 4:4:4 36bpp, little-endian
Definition: pixfmt.h:280
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:40
av_sample_fmt_is_planar
int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt)
Check if the sample format is planar.
Definition: samplefmt.c:114
AV_CODEC_ID_ADPCM_IMA_APC
@ AV_CODEC_ID_ADPCM_IMA_APC
Definition: codec_id.h:402
AV_CODEC_ID_ATRAC9
@ AV_CODEC_ID_ATRAC9
Definition: codec_id.h:534
AV_PIX_FMT_YUVA420P16BE
@ AV_PIX_FMT_YUVA420P16BE
planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
Definition: pixfmt.h:187
ff_side_data_update_matrix_encoding
int ff_side_data_update_matrix_encoding(AVFrame *frame, enum AVMatrixEncoding matrix_encoding)
Add or update AV_FRAME_DATA_MATRIXENCODING side data.
Definition: utils.c:124
AV_CODEC_ID_ADPCM_IMA_ISS
@ AV_CODEC_ID_ADPCM_IMA_ISS
Definition: codec_id.h:400
AV_CODEC_ID_BINKAUDIO_DCT
@ AV_CODEC_ID_BINKAUDIO_DCT
Definition: codec_id.h:494
avcodec_fill_audio_frame
int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels, enum AVSampleFormat sample_fmt, const uint8_t *buf, int buf_size, int align)
Fill AVFrame audio data and linesize pointers.
Definition: utils.c:369
FF_CODEC_CB_TYPE_ENCODE
@ FF_CODEC_CB_TYPE_ENCODE
Definition: codec_internal.h:118
AV_CODEC_ID_PCM_F24LE
@ AV_CODEC_ID_PCM_F24LE
Definition: codec_id.h:368
channels
channels
Definition: aptx.h:31
avpriv_find_start_code
const uint8_t * avpriv_find_start_code(const uint8_t *restrict p, const uint8_t *end, uint32_t *restrict state)
Definition: utils.c:918
decode.h
ff_thread_get_buffer
int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f, int flags)
Wrapper around get_buffer() for frame-multithreaded codecs.
Definition: utils.c:882
limits.h
avcodec_align_dimensions2
void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[AV_NUM_DATA_POINTERS])
Modify width and height values so that they will result in a memory buffer that is acceptable for the...
Definition: utils.c:144
AV_CODEC_ID_DERF_DPCM
@ AV_CODEC_ID_DERF_DPCM
Definition: codec_id.h:441
AV_CODEC_ID_PCM_MULAW
@ AV_CODEC_ID_PCM_MULAW
Definition: codec_id.h:340
field
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this field
Definition: writing_filters.txt:78
AV_CODEC_ID_PCM_U16BE
@ AV_CODEC_ID_PCM_U16BE
Definition: codec_id.h:337
ff_thread_await_progress
void ff_thread_await_progress(const ThreadFrame *f, int progress, int field)
Wait for earlier decoding threads to finish reference pictures.
Definition: utils.c:908
AV_CODEC_ID_ADPCM_IMA_SMJPEG
@ AV_CODEC_ID_ADPCM_IMA_SMJPEG
Definition: codec_id.h:378
AV_PIX_FMT_GBRP10LE
@ AV_PIX_FMT_GBRP10LE
planar GBR 4:4:4 30bpp, little-endian
Definition: pixfmt.h:170
codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:410
AV_CODEC_ID_PCM_DVD
@ AV_CODEC_ID_PCM_DVD
Definition: codec_id.h:353
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:73
AV_CODEC_ID_SVQ3
@ AV_CODEC_ID_SVQ3
Definition: codec_id.h:75
AVCPBProperties
This structure describes the bitrate properties of an encoded bitstream.
Definition: defs.h:271
AV_CODEC_ID_H264
@ AV_CODEC_ID_H264
Definition: codec_id.h:79
PutBitContext
Definition: put_bits.h:50
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:87
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:461
AV_PIX_FMT_YUV444P10LE
@ AV_PIX_FMT_YUV444P10LE
planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:162
AV_PIX_FMT_YUVA422P10LE
@ AV_PIX_FMT_YUVA422P10LE
planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
Definition: pixfmt.h:184
ff_thread_ref_frame
int ff_thread_ref_frame(ThreadFrame *dst, const ThreadFrame *src)
Definition: utils.c:845
AVMatrixEncoding
AVMatrixEncoding
Definition: channel_layout.h:258
AV_PIX_FMT_YUV444P9BE
@ AV_PIX_FMT_YUV444P9BE
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:159
AV_CODEC_ID_PCM_ALAW
@ AV_CODEC_ID_PCM_ALAW
Definition: codec_id.h:341
AV_PIX_FMT_YUV422P10BE
@ AV_PIX_FMT_YUV422P10BE
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:157
AV_CODEC_ID_WMV3
@ AV_CODEC_ID_WMV3
Definition: codec_id.h:123
threadframe.h
AV_PIX_FMT_YUV422P16LE
@ AV_PIX_FMT_YUV422P16LE
planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:130
AV_CODEC_ID_ADPCM_EA_XAS
@ AV_CODEC_ID_ADPCM_EA_XAS
Definition: codec_id.h:398
framerate
float framerate
Definition: av1_levels.c:29
ff_match_2uint16
int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
Definition: utils.c:826
AV_CODEC_ID_SP5X
@ AV_CODEC_ID_SP5X
Definition: codec_id.h:62
AV_PIX_FMT_GBRAP12BE
@ AV_PIX_FMT_GBRAP12BE
planar GBR 4:4:4:4 48bpp, big-endian
Definition: pixfmt.h:310
NULL
#define NULL
Definition: coverity.c:32
AV_CODEC_ID_DST
@ AV_CODEC_ID_DST
Definition: codec_id.h:527
AV_CODEC_ID_INTERPLAY_VIDEO
@ AV_CODEC_ID_INTERPLAY_VIDEO
Definition: codec_id.h:91
AV_CODEC_ID_ADPCM_YAMAHA
@ AV_CODEC_ID_ADPCM_YAMAHA
Definition: codec_id.h:387
AV_CODEC_ID_ADPCM_IMA_WS
@ AV_CODEC_ID_ADPCM_IMA_WS
Definition: codec_id.h:377
AV_CODEC_ID_PCM_U24BE
@ AV_CODEC_ID_PCM_U24BE
Definition: codec_id.h:349
AV_PIX_FMT_YUYV422
@ AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:74
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
AV_CODEC_ID_INTERPLAY_DPCM
@ AV_CODEC_ID_INTERPLAY_DPCM
Definition: codec_id.h:436
AV_CODEC_ID_PCM_U32BE
@ AV_CODEC_ID_PCM_U32BE
Definition: codec_id.h:345
state
static struct @466 state
AV_CODEC_ID_ADPCM_ARGO
@ AV_CODEC_ID_ADPCM_ARGO
Definition: codec_id.h:415
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:85
FF_CODEC_CB_TYPE_DECODE_SUB
@ FF_CODEC_CB_TYPE_DECODE_SUB
Definition: codec_internal.h:112
AV_CODEC_ID_ADPCM_IMA_DK4
@ AV_CODEC_ID_ADPCM_IMA_DK4
Definition: codec_id.h:376
AVCodecContext::bit_rate
int64_t bit_rate
the average bitrate
Definition: avcodec.h:501
AV_PIX_FMT_YUVA422P12LE
@ AV_PIX_FMT_YUVA422P12LE
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), 12b alpha, little-endian
Definition: pixfmt.h:367
AV_CODEC_ID_CINEPAK
@ AV_CODEC_ID_CINEPAK
Definition: codec_id.h:95
AV_CODEC_ID_PCM_S64BE
@ AV_CODEC_ID_PCM_S64BE
Definition: codec_id.h:366
AV_CODEC_ID_ZLIB
@ AV_CODEC_ID_ZLIB
Definition: codec_id.h:106
AV_PIX_FMT_YUVA444P12BE
@ AV_PIX_FMT_YUVA444P12BE
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), 12b alpha, big-endian
Definition: pixfmt.h:368
AVCodec::profiles
const AVProfile * profiles
array of recognized profiles, or NULL if unknown, array is terminated by {AV_PROFILE_UNKNOWN}
Definition: codec.h:222
av_fast_mallocz
void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size)
Allocate and clear a buffer, reusing the given one if large enough.
Definition: mem.c:562
AV_PIX_FMT_YUVA444P9LE
@ AV_PIX_FMT_YUVA444P9LE
planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
Definition: pixfmt.h:180
AV_CODEC_ID_ADPCM_IMA_AMV
@ AV_CODEC_ID_ADPCM_IMA_AMV
Definition: codec_id.h:392
AV_PIX_FMT_YUVA420P16LE
@ AV_PIX_FMT_YUVA420P16LE
planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
Definition: pixfmt.h:188
AV_PIX_FMT_RGB8
@ AV_PIX_FMT_RGB8
packed RGB 3:3:2, 8bpp, (msb)3R 3G 2B(lsb)
Definition: pixfmt.h:93
AV_PIX_FMT_BGR0
@ AV_PIX_FMT_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:265
ff_thread_replace_frame
int ff_thread_replace_frame(ThreadFrame *dst, const ThreadFrame *src)
Definition: utils.c:864
AV_CODEC_ID_ROQ_DPCM
@ AV_CODEC_ID_ROQ_DPCM
Definition: codec_id.h:435
AV_PIX_FMT_YUV440P10LE
@ AV_PIX_FMT_YUV440P10LE
planar YUV 4:4:0,20bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
Definition: pixfmt.h:298
AVProfile::profile
int profile
Definition: codec.h:180
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:81
AVCodecParameters::ch_layout
AVChannelLayout ch_layout
Audio only.
Definition: codec_par.h:180
AV_PIX_FMT_YUVA420P9LE
@ AV_PIX_FMT_YUVA420P9LE
planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), little-endian
Definition: pixfmt.h:176
AV_CODEC_ID_VP6A
@ AV_CODEC_ID_VP6A
Definition: codec_id.h:158
index
int index
Definition: gxfenc.c:90
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: codec_par.h:184
AV_PIX_FMT_YUV420P14LE
@ AV_PIX_FMT_YUV420P14LE
planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
Definition: pixfmt.h:270
AV_CODEC_ID_PCM_S24LE_PLANAR
@ AV_CODEC_ID_PCM_S24LE_PLANAR
Definition: codec_id.h:362
AV_CODEC_ID_ADPCM_XA
@ AV_CODEC_ID_ADPCM_XA
Definition: codec_id.h:381
AV_CODEC_ID_GSM
@ AV_CODEC_ID_GSM
as in Berlin toast format
Definition: codec_id.h:464
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:49
AV_CODEC_ID_PCM_VIDC
@ AV_CODEC_ID_PCM_VIDC
Definition: codec_id.h:369
AV_PIX_FMT_YUV444P14BE
@ AV_PIX_FMT_YUV444P14BE
planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:277
avcodec_find_decoder
const AVCodec * avcodec_find_decoder(enum AVCodecID id)
Find a registered decoder with a matching codec ID.
Definition: allcodecs.c:1012
AV_CODEC_ID_MJPEGB
@ AV_CODEC_ID_MJPEGB
Definition: codec_id.h:60
AV_PIX_FMT_YUV420P9BE
@ AV_PIX_FMT_YUV420P9BE
The following 12 formats have the disadvantage of needing 1 format for each bit depth.
Definition: pixfmt.h:153
startcode.h
AVCodecContext::time_base
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
Definition: avcodec.h:550
av_codec_is_decoder
int av_codec_is_decoder(const AVCodec *avcodec)
Definition: utils.c:86
AV_CODEC_ID_QCELP
@ AV_CODEC_ID_QCELP
Definition: codec_id.h:470
av_get_exact_bits_per_sample
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:457
f
f
Definition: af_crystalizer.c:122
AV_CODEC_ID_PCM_S24LE
@ AV_CODEC_ID_PCM_S24LE
Definition: codec_id.h:346
ff_get_buffer
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1697
AV_PIX_FMT_RGB24
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:75
AV_PIX_FMT_YUV440P12LE
@ AV_PIX_FMT_YUV440P12LE
planar YUV 4:4:0,24bpp, (1 Cr & Cb sample per 1x2 Y samples), little-endian
Definition: pixfmt.h:300
AV_CODEC_ID_ADPCM_ADX
@ AV_CODEC_ID_ADPCM_ADX
Definition: codec_id.h:382
av_frame_ref
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:400
AV_SAMPLE_FMT_U8P
@ AV_SAMPLE_FMT_U8P
unsigned 8 bits, planar
Definition: samplefmt.h:63
codec_internal.h
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition: dsp.h:83
AV_CODEC_ID_ADPCM_IMA_RAD
@ AV_CODEC_ID_ADPCM_IMA_RAD
Definition: codec_id.h:407
AV_PIX_FMT_YUV420P12BE
@ AV_PIX_FMT_YUV420P12BE
planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:267
AV_PIX_FMT_YUV422P10LE
@ AV_PIX_FMT_YUV422P10LE
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:158
AV_CODEC_ID_DSD_MSBF
@ AV_CODEC_ID_DSD_MSBF
Definition: codec_id.h:520
AV_CODEC_ID_ADPCM_IMA_ALP
@ AV_CODEC_ID_ADPCM_IMA_ALP
Definition: codec_id.h:419
AV_PIX_FMT_YUV422P14BE
@ AV_PIX_FMT_YUV422P14BE
planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:273
bps
unsigned bps
Definition: movenc.c:1880
AV_CODEC_ID_ADPCM_SWF
@ AV_CODEC_ID_ADPCM_SWF
Definition: codec_id.h:386
size
int size
Definition: twinvq_data.h:10344
AV_CODEC_ID_SMVJPEG
@ AV_CODEC_ID_SMVJPEG
Definition: codec_id.h:268
avpriv_codec_get_cap_skip_frame_fill_param
int avpriv_codec_get_cap_skip_frame_fill_param(const AVCodec *codec)
Definition: utils.c:405
AV_NUM_DATA_POINTERS
#define AV_NUM_DATA_POINTERS
Definition: frame.h:390
AV_RB32
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
Definition: bytestream.h:96
FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM
#define FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM
The decoder extracts and fills its parameters even if the frame is skipped due to the skip_frame sett...
Definition: codec_internal.h:55
AV_PIX_FMT_GBRP9BE
@ AV_PIX_FMT_GBRP9BE
planar GBR 4:4:4 27bpp, big-endian
Definition: pixfmt.h:167
av_get_audio_frame_duration2
int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes)
This function is the same as av_get_audio_frame_duration(), except it works with AVCodecParameters in...
Definition: utils.c:799
AVFrameSideData::data
uint8_t * data
Definition: frame.h:267
ffcodec
static const av_always_inline FFCodec * ffcodec(const AVCodec *codec)
Definition: codec_internal.h:330
AV_PIX_FMT_YUV420P10BE
@ AV_PIX_FMT_YUV420P10BE
planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:155
align
static const uint8_t *BS_FUNC() align(BSCTX *bc)
Skip bits to a byte boundary.
Definition: bitstream_template.h:411
AV_PIX_FMT_GBRP9LE
@ AV_PIX_FMT_GBRP9LE
planar GBR 4:4:4 27bpp, little-endian
Definition: pixfmt.h:168
a
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:41
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:174
ff_thread_get_ext_buffer
int ff_thread_get_ext_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
Wrapper around ff_get_buffer() for frame-multithreaded codecs.
Definition: utils.c:887
FFCodec::hw_configs
const struct AVCodecHWConfigInternal *const * hw_configs
Array of pointers to hardware configurations supported by the codec, or NULL if no hardware supported...
Definition: codec_internal.h:259
AV_PIX_FMT_YUVA420P10LE
@ AV_PIX_FMT_YUVA420P10LE
planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
Definition: pixfmt.h:182
AV_CODEC_ID_SVQ1
@ AV_CODEC_ID_SVQ1
Definition: codec_id.h:74
AV_SAMPLE_FMT_S16P
@ AV_SAMPLE_FMT_S16P
signed 16 bits, planar
Definition: samplefmt.h:64
AV_PIX_FMT_YUVA422P10BE
@ AV_PIX_FMT_YUVA422P10BE
planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
Definition: pixfmt.h:183
av_codec_is_encoder
int av_codec_is_encoder(const AVCodec *avcodec)
Definition: utils.c:78
AV_CODEC_ID_VP5
@ AV_CODEC_ID_VP5
Definition: codec_id.h:142
AVCPBProperties::vbv_delay
uint64_t vbv_delay
The delay between the time the packet this structure is associated with is received and the time when...
Definition: defs.h:301
avcodec_get_name
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
Definition: utils.c:409
AV_CODEC_ID_MJPEG
@ AV_CODEC_ID_MJPEG
Definition: codec_id.h:59
AVCodecContext::bits_per_coded_sample
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
Definition: avcodec.h:1578
AV_PIX_FMT_YUVA444P12LE
@ AV_PIX_FMT_YUVA444P12LE
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), 12b alpha, little-endian
Definition: pixfmt.h:369
AV_PIX_FMT_YUVA422P9BE
@ AV_PIX_FMT_YUVA422P9BE
planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), big-endian
Definition: pixfmt.h:177
FFCodec::caps_internal
unsigned caps_internal
Internal codec capabilities FF_CODEC_CAP_*.
Definition: codec_internal.h:136
AV_CODEC_ID_ATRAC1
@ AV_CODEC_ID_ATRAC1
Definition: codec_id.h:492
AV_CODEC_ID_RA_288
@ AV_CODEC_ID_RA_288
Definition: codec_id.h:432
ff_thread_finish_setup
void ff_thread_finish_setup(AVCodecContext *avctx)
If the codec defines update_thread_context(), call this when they are ready for the next thread to st...
Definition: utils.c:900
AV_CODEC_ID_ADPCM_MTAF
@ AV_CODEC_ID_ADPCM_MTAF
Definition: codec_id.h:413
AV_CODEC_ID_NONE
@ AV_CODEC_ID_NONE
Definition: codec_id.h:50
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:256
av_get_profile_name
const char * av_get_profile_name(const AVCodec *codec, int profile)
Return a name for the specified profile, if available.
Definition: utils.c:429
width
static int width
Definition: utils.c:158
AVCodecContext::extradata
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:529
AV_SAMPLE_FMT_U8
@ AV_SAMPLE_FMT_U8
unsigned 8 bits
Definition: samplefmt.h:57
AV_CODEC_ID_EVRC
@ AV_CODEC_ID_EVRC
Definition: codec_id.h:517
AVCodecParameters::block_align
int block_align
Audio only.
Definition: codec_par.h:191
av_cpb_properties_alloc
AVCPBProperties * av_cpb_properties_alloc(size_t *size)
Allocate a CPB properties structure and initialize its fields to default values.
Definition: utils.c:951
AV_CODEC_ID_DSD_LSBF_PLANAR
@ AV_CODEC_ID_DSD_LSBF_PLANAR
Definition: codec_id.h:521
AVSampleFormat
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:55
AV_CODEC_ID_PCM_F64BE
@ AV_CODEC_ID_PCM_F64BE
Definition: codec_id.h:356
av_fast_padded_malloc
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
Same behaviour av_fast_malloc but the buffer has additional AV_INPUT_BUFFER_PADDING_SIZE at the end w...
Definition: utils.c:52
AV_PIX_FMT_RGB555
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:490
av_xiphlacing
unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
Encode extradata length to a buffer.
Definition: utils.c:812
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
AV_CODEC_ID_ADPCM_IMA_APM
@ AV_CODEC_ID_ADPCM_IMA_APM
Definition: codec_id.h:418
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:107
AV_CODEC_ID_PCM_S32BE
@ AV_CODEC_ID_PCM_S32BE
Definition: codec_id.h:343
av_frame_unref
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:622
av_get_audio_frame_duration
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
Return audio frame duration.
Definition: utils.c:786
AV_SAMPLE_FMT_S16
@ AV_SAMPLE_FMT_S16
signed 16 bits
Definition: samplefmt.h:58
av_mallocz
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:256
AVCodec::name
const char * name
Name of the codec implementation.
Definition: codec.h:194
av_inv_q
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
AV_CODEC_ID_VC1
@ AV_CODEC_ID_VC1
Definition: codec_id.h:122
AV_CODEC_ID_PCM_F16LE
@ AV_CODEC_ID_PCM_F16LE
Definition: codec_id.h:367
AV_CODEC_ID_ADPCM_IMA_DAT4
@ AV_CODEC_ID_ADPCM_IMA_DAT4
Definition: codec_id.h:412
av_samples_get_buffer_size
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:121
profile
int profile
Definition: mxfenc.c:2233
AV_PIX_FMT_YUV444P16BE
@ AV_PIX_FMT_YUV444P16BE
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:133
AVCodecContext::height
int height
Definition: avcodec.h:624
AVCodecContext::pix_fmt
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:663
ff_guess_coded_bitrate
int64_t ff_guess_coded_bitrate(AVCodecContext *avctx)
Get an estimated video bitrate based on frame size, frame rate and coded bits per pixel.
Definition: utils.c:1038
avcodec.h
AV_CODEC_ID_IAC
@ AV_CODEC_ID_IAC
Definition: codec_id.h:504
av_cmp_q
static int av_cmp_q(AVRational a, AVRational b)
Compare two rationals.
Definition: rational.h:89
AV_PIX_FMT_GBRAP16LE
@ AV_PIX_FMT_GBRAP16LE
planar GBRA 4:4:4:4 64bpp, little-endian
Definition: pixfmt.h:214
AV_PIX_FMT_PAL8
@ AV_PIX_FMT_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:84
AV_CODEC_ID_GSM_MS
@ AV_CODEC_ID_GSM_MS
Definition: codec_id.h:476
AV_PIX_FMT_YVYU422
@ AV_PIX_FMT_YVYU422
packed YUV 4:2:2, 16bpp, Y0 Cr Y1 Cb
Definition: pixfmt.h:207
tag
uint32_t tag
Definition: movenc.c:1879
ret
ret
Definition: filter_design.txt:187
AVCodecContext::block_align
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs.
Definition: avcodec.h:1089
pixfmt.h
get_audio_frame_duration
static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, uint32_t tag, int bits_per_coded_sample, int64_t bitrate, uint8_t *extradata, int frame_size, int frame_bytes)
Definition: utils.c:570
frame
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
Definition: filter_design.txt:264
ff_refstruct_replace
void ff_refstruct_replace(void *dstp, const void *src)
Ensure *dstp refers to the same object as src.
Definition: refstruct.c:160
AV_CODEC_ID_JV
@ AV_CODEC_ID_JV
Definition: codec_id.h:201
AV_INPUT_BUFFER_PADDING_SIZE
#define AV_INPUT_BUFFER_PADDING_SIZE
Definition: defs.h:40
AV_PIX_FMT_GBRP12BE
@ AV_PIX_FMT_GBRP12BE
planar GBR 4:4:4 36bpp, big-endian
Definition: pixfmt.h:279
AV_CODEC_ID_CBD2_DPCM
@ AV_CODEC_ID_CBD2_DPCM
Definition: codec_id.h:443
AV_PIX_FMT_UYVY422
@ AV_PIX_FMT_UYVY422
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:88
AV_PIX_FMT_YUV444P12BE
@ AV_PIX_FMT_YUV444P12BE
planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:275
AV_CODEC_ID_AMV
@ AV_CODEC_ID_AMV
Definition: codec_id.h:159
av_frame_replace
int av_frame_replace(AVFrame *dst, const AVFrame *src)
Ensure the destination frame refers to the same data described by the source frame,...
Definition: frame.c:499
AVCodecContext
main external API structure.
Definition: avcodec.h:451
AV_CODEC_ID_SNOW
@ AV_CODEC_ID_SNOW
Definition: codec_id.h:267
ThreadFrame
Definition: threadframe.h:27
AV_CODEC_ID_ADPCM_G726LE
@ AV_CODEC_ID_ADPCM_G726LE
Definition: codec_id.h:408
channel_layout.h
AV_CODEC_ID_BINKVIDEO
@ AV_CODEC_ID_BINKVIDEO
Definition: codec_id.h:187
AVRational::den
int den
Denominator.
Definition: rational.h:60
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
AV_CODEC_ID_JPEGLS
@ AV_CODEC_ID_JPEGLS
Definition: codec_id.h:63
AV_PIX_FMT_YUV444P9LE
@ AV_PIX_FMT_YUV444P9LE
planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:160
av_fast_padded_mallocz
void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
Same behaviour av_fast_padded_malloc except that buffer will always be 0-initialized after call.
Definition: utils.c:65
AV_SAMPLE_FMT_DBLP
@ AV_SAMPLE_FMT_DBLP
double, planar
Definition: samplefmt.h:67
AV_CODEC_ID_PCM_U32LE
@ AV_CODEC_ID_PCM_U32LE
Definition: codec_id.h:344
FF_CODEC_CB_TYPE_RECEIVE_FRAME
@ FF_CODEC_CB_TYPE_RECEIVE_FRAME
Definition: codec_internal.h:115
FFCodec::cb_type
unsigned cb_type
This field determines the type of the codec (decoder/encoder) and also the exact callback cb implemen...
Definition: codec_internal.h:149
AV_PIX_FMT_YUVA420P10BE
@ AV_PIX_FMT_YUVA420P10BE
planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
Definition: pixfmt.h:181
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:78
avcodec_get_hw_config
const AVCodecHWConfig * avcodec_get_hw_config(const AVCodec *avcodec, int index)
Retrieve supported hardware configurations for a codec.
Definition: utils.c:833
AV_PIX_FMT_YUV420P16BE
@ AV_PIX_FMT_YUV420P16BE
planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
Definition: pixfmt.h:129
AV_CODEC_ID_TRUESPEECH
@ AV_CODEC_ID_TRUESPEECH
Definition: codec_id.h:467
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:165
av_get_pcm_codec
enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
Return the PCM codec associated with a sample format.
Definition: utils.c:528
AV_CODEC_ID_ADPCM_THP
@ AV_CODEC_ID_ADPCM_THP
Definition: codec_id.h:391
AV_PIX_FMT_YUV422P16BE
@ AV_PIX_FMT_YUV422P16BE
planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:131
desc
const char * desc
Definition: libsvtav1.c:79
AV_CODEC_ID_PCM_S32LE
@ AV_CODEC_ID_PCM_S32LE
Definition: codec_id.h:342
AV_PIX_FMT_GRAY16LE
@ AV_PIX_FMT_GRAY16LE
Y , 16bpp, little-endian.
Definition: pixfmt.h:105
AVCodecParameters::bits_per_coded_sample
int bits_per_coded_sample
The number of bits per sample in the codedwords.
Definition: codec_par.h:110
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:77
mem.h
bcd2uint
static unsigned bcd2uint(uint8_t bcd)
Definition: utils.c:965
AV_CODEC_ID_ADPCM_SBPRO_4
@ AV_CODEC_ID_ADPCM_SBPRO_4
Definition: codec_id.h:388
AV_CODEC_ID_PCM_U8
@ AV_CODEC_ID_PCM_U8
Definition: codec_id.h:339
AV_CODEC_ID_RPZA
@ AV_CODEC_ID_RPZA
Definition: codec_id.h:94
AV_CODEC_ID_SDX2_DPCM
@ AV_CODEC_ID_SDX2_DPCM
Definition: codec_id.h:439
ff_set_dimensions
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
Definition: utils.c:94
ff_set_sar
int ff_set_sar(AVCodecContext *avctx, AVRational sar)
Check that the provided sample aspect ratio is valid and set it on the codec context.
Definition: utils.c:109
AV_PIX_FMT_YUVA444P10LE
@ AV_PIX_FMT_YUVA444P10LE
planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
Definition: pixfmt.h:186
AVFrameSideData
Structure to hold side data for an AVFrame.
Definition: frame.h:265
flush_put_bits
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
Definition: put_bits.h:143
AV_CODEC_ID_PCM_S24DAUD
@ AV_CODEC_ID_PCM_S24DAUD
Definition: codec_id.h:350
AV_CODEC_ID_ADPCM_IMA_SSI
@ AV_CODEC_ID_ADPCM_IMA_SSI
Definition: codec_id.h:416
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
map
const VDPAUPixFmtMap * map
Definition: hwcontext_vdpau.c:71
AV_CODEC_ID_PCM_F64LE
@ AV_CODEC_ID_PCM_F64LE
Definition: codec_id.h:357
ff_alloc_timecode_sei
int ff_alloc_timecode_sei(const AVFrame *frame, AVRational rate, size_t prefix_len, void **data, size_t *sei_size)
Check AVFrame for S12M timecode side data and allocate and fill TC SEI message with timecode info.
Definition: utils.c:974
AVCodecContext::codec_tag
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
Definition: avcodec.h:476
codec_par.h
FFALIGN
#define FFALIGN(x, a)
Definition: macros.h:78
AV_CODEC_ID_ADPCM_IMA_MOFLEX
@ AV_CODEC_ID_ADPCM_IMA_MOFLEX
Definition: codec_id.h:422
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:55
AV_CODEC_ID_ADPCM_IMA_WAV
@ AV_CODEC_ID_ADPCM_IMA_WAV
Definition: codec_id.h:374
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:34
av_fast_malloc
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
Allocate a buffer, reusing the given one if large enough.
Definition: mem.c:557
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:80
AV_PIX_FMT_YUV440P10BE
@ AV_PIX_FMT_YUV440P10BE
planar YUV 4:4:0,20bpp, (1 Cr & Cb sample per 1x2 Y samples), big-endian
Definition: pixfmt.h:299
AV_PIX_FMT_YUVA422P16BE
@ AV_PIX_FMT_YUVA422P16BE
planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
Definition: pixfmt.h:189
FFMAX3
#define FFMAX3(a, b, c)
Definition: macros.h:48
AV_PIX_FMT_YUV422P9LE
@ AV_PIX_FMT_YUV422P9LE
planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:164
AV_PIX_FMT_YUVA422P16LE
@ AV_PIX_FMT_YUVA422P16LE
planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
Definition: pixfmt.h:190
AV_CODEC_ID_ILBC
@ AV_CODEC_ID_ILBC
Definition: codec_id.h:505
AV_PIX_FMT_GBRP14LE
@ AV_PIX_FMT_GBRP14LE
planar GBR 4:4:4 42bpp, little-endian
Definition: pixfmt.h:282
AV_CODEC_ID_PCM_S8_PLANAR
@ AV_CODEC_ID_PCM_S8_PLANAR
Definition: codec_id.h:361
AVCodecContext::width
int width
picture width / height.
Definition: avcodec.h:624
AV_CODEC_ID_PCM_U16LE
@ AV_CODEC_ID_PCM_U16LE
Definition: codec_id.h:336
imgutils.h
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:482
AV_CODEC_ID_DFPWM
@ AV_CODEC_ID_DFPWM
Definition: codec_id.h:542
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:79
AV_CODEC_ID_PCM_F32LE
@ AV_CODEC_ID_PCM_F32LE
Definition: codec_id.h:355
AVCodecParameters::bit_rate
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: codec_par.h:97
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:27
AVCodecHWConfig
Definition: codec.h:345
AV_CODEC_ID_ADPCM_4XM
@ AV_CODEC_ID_ADPCM_4XM
Definition: codec_id.h:380
AV_SAMPLE_FMT_DBL
@ AV_SAMPLE_FMT_DBL
double
Definition: samplefmt.h:61
avcodec_descriptor_get
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:3759
av_image_check_sar
int av_image_check_sar(unsigned int w, unsigned int h, AVRational sar)
Check if the given sample aspect ratio of an image is valid.
Definition: imgutils.c:323
AV_CODEC_ID_APTX
@ AV_CODEC_ID_APTX
Definition: codec_id.h:531
AV_PIX_FMT_YUVA444P16LE
@ AV_PIX_FMT_YUVA444P16LE
planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
Definition: pixfmt.h:192
AV_CODEC_ID_MUSEPACK7
@ AV_CODEC_ID_MUSEPACK7
Definition: codec_id.h:474
AV_CODEC_ID_ADPCM_PSX
@ AV_CODEC_ID_ADPCM_PSX
Definition: codec_id.h:410
AV_PIX_FMT_YUVA422P12BE
@ AV_PIX_FMT_YUVA422P12BE
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), 12b alpha, big-endian
Definition: pixfmt.h:366
AVCodecHWConfigInternal::public
AVCodecHWConfig public
This is the structure which will be returned to the user by avcodec_get_hw_config().
Definition: hwconfig.h:30
codec_desc.h
put_bits.h
ff_thread_report_progress
void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
Notify later decoding threads when part of their reference picture is ready.
Definition: utils.c:904
AV_SAMPLE_FMT_S32
@ AV_SAMPLE_FMT_S32
signed 32 bits
Definition: samplefmt.h:59
AV_CODEC_ID_FTR
@ AV_CODEC_ID_FTR
Definition: codec_id.h:546
AV_CODEC_ID_LJPEG
@ AV_CODEC_ID_LJPEG
Definition: codec_id.h:61
AV_CODEC_ID_MP1
@ AV_CODEC_ID_MP1
Definition: codec_id.h:488
AV_PIX_FMT_YUV422P12LE
@ AV_PIX_FMT_YUV422P12LE
planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:272
AV_CODEC_ID_PCM_S24BE
@ AV_CODEC_ID_PCM_S24BE
Definition: codec_id.h:347
AV_PIX_FMT_YUVA420P9BE
@ AV_PIX_FMT_YUVA420P9BE
planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), big-endian
Definition: pixfmt.h:175
AV_SAMPLE_FMT_FLT
@ AV_SAMPLE_FMT_FLT
float
Definition: samplefmt.h:60
AVCodecContext::sample_aspect_ratio
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
Definition: avcodec.h:648
AV_CODEC_ID_APTX_HD
@ AV_CODEC_ID_APTX_HD
Definition: codec_id.h:532
src
#define src
Definition: vp8dsp.c:248
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:173
AV_CODEC_ID_NELLYMOSER
@ AV_CODEC_ID_NELLYMOSER
Definition: codec_id.h:479
AV_PIX_FMT_UYYVYY411
@ AV_PIX_FMT_UYYVYY411
packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
Definition: pixfmt.h:89
AV_CODEC_ID_ADPCM_SBPRO_3
@ AV_CODEC_ID_ADPCM_SBPRO_3
Definition: codec_id.h:389
AV_PIX_FMT_YUVA422P9LE
@ AV_PIX_FMT_YUVA422P9LE
planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), little-endian
Definition: pixfmt.h:178