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"
37 #include "avcodec.h"
38 #include "codec.h"
39 #include "codec_desc.h"
40 #include "codec_internal.h"
41 #include "codec_par.h"
42 #include "decode.h"
43 #include "hwconfig.h"
44 #include "libavutil/refstruct.h"
45 #include "thread.h"
46 #include "threadframe.h"
47 #include "internal.h"
48 #include "put_bits.h"
49 #include "startcode.h"
50 #include <stdlib.h>
51 #include <limits.h>
52 
53 void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
54 {
55  uint8_t **p = ptr;
56  if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
57  av_freep(p);
58  *size = 0;
59  return;
60  }
62  if (*p)
63  memset(*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
64 }
65 
66 void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
67 {
68  uint8_t **p = ptr;
69  if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
70  av_freep(p);
71  *size = 0;
72  return;
73  }
75  if (*p)
76  memset(*p, 0, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
77 }
78 
79 int av_codec_is_encoder(const AVCodec *avcodec)
80 {
81  const FFCodec *const codec = ffcodec(avcodec);
82  return codec && (codec->cb_type == FF_CODEC_CB_TYPE_ENCODE ||
85 }
86 
87 int av_codec_is_decoder(const AVCodec *avcodec)
88 {
89  const FFCodec *const codec = ffcodec(avcodec);
90  return codec && (codec->cb_type == FF_CODEC_CB_TYPE_DECODE ||
93 }
94 
96 {
97  int ret = av_image_check_size2(width, height, s->max_pixels, AV_PIX_FMT_NONE, 0, s);
98 
99  if (ret < 0)
100  width = height = 0;
101 
102  s->coded_width = width;
103  s->coded_height = height;
104  s->width = AV_CEIL_RSHIFT(width, s->lowres);
105  s->height = AV_CEIL_RSHIFT(height, s->lowres);
106 
107  return ret;
108 }
109 
111 {
112  int ret = av_image_check_sar(avctx->width, avctx->height, sar);
113 
114  if (ret < 0) {
115  av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
116  sar.num, sar.den);
117  avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
118  return ret;
119  } else {
120  avctx->sample_aspect_ratio = sar;
121  }
122  return 0;
123 }
124 
126  enum AVMatrixEncoding matrix_encoding)
127 {
128  AVFrameSideData *side_data;
129  enum AVMatrixEncoding *data;
130 
132  if (!side_data)
134  sizeof(enum AVMatrixEncoding));
135 
136  if (!side_data)
137  return AVERROR(ENOMEM);
138 
139  data = (enum AVMatrixEncoding*)side_data->data;
140  *data = matrix_encoding;
141 
142  return 0;
143 }
144 
146  int linesize_align[AV_NUM_DATA_POINTERS])
147 {
148  int i;
149  int w_align = 1;
150  int h_align = 1;
151  AVPixFmtDescriptor const *desc = av_pix_fmt_desc_get(s->pix_fmt);
152 
153  if (desc) {
154  w_align = 1 << desc->log2_chroma_w;
155  h_align = 1 << desc->log2_chroma_h;
156  }
157 
158  switch (s->pix_fmt) {
159  case AV_PIX_FMT_YUV420P:
160  case AV_PIX_FMT_YUYV422:
161  case AV_PIX_FMT_YVYU422:
162  case AV_PIX_FMT_UYVY422:
163  case AV_PIX_FMT_YUV422P:
164  case AV_PIX_FMT_YUV440P:
165  case AV_PIX_FMT_YUV444P:
166  case AV_PIX_FMT_GBRP:
167  case AV_PIX_FMT_GBRAP:
168  case AV_PIX_FMT_GRAY8:
169  case AV_PIX_FMT_GRAY16BE:
170  case AV_PIX_FMT_GRAY16LE:
171  case AV_PIX_FMT_YUVJ420P:
172  case AV_PIX_FMT_YUVJ422P:
173  case AV_PIX_FMT_YUVJ440P:
174  case AV_PIX_FMT_YUVJ444P:
175  case AV_PIX_FMT_YUVA420P:
176  case AV_PIX_FMT_YUVA422P:
177  case AV_PIX_FMT_YUVA444P:
234  case AV_PIX_FMT_GBRP9LE:
235  case AV_PIX_FMT_GBRP9BE:
236  case AV_PIX_FMT_GBRP10LE:
237  case AV_PIX_FMT_GBRP10BE:
238  case AV_PIX_FMT_GBRP12LE:
239  case AV_PIX_FMT_GBRP12BE:
240  case AV_PIX_FMT_GBRP14LE:
241  case AV_PIX_FMT_GBRP14BE:
242  case AV_PIX_FMT_GBRP16LE:
243  case AV_PIX_FMT_GBRP16BE:
248  w_align = 16; //FIXME assume 16 pixel per macroblock
249  h_align = 16 * 2; // interlaced needs 2 macroblocks height
250  if (s->codec_id == AV_CODEC_ID_BINKVIDEO)
251  w_align = 16*2;
252  break;
253  case AV_PIX_FMT_YUV411P:
254  case AV_PIX_FMT_YUVJ411P:
256  w_align = 32;
257  h_align = 16 * 2;
258  break;
259  case AV_PIX_FMT_YUV410P:
260  if (s->codec_id == AV_CODEC_ID_SVQ1) {
261  w_align = 64;
262  h_align = 64;
263  } else if (s->codec_id == AV_CODEC_ID_SNOW) {
264  w_align = 16;
265  h_align = 16;
266  }
267  break;
268  case AV_PIX_FMT_RGB555:
269  if (s->codec_id == AV_CODEC_ID_RPZA) {
270  w_align = 4;
271  h_align = 4;
272  }
273  if (s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
274  w_align = 8;
275  h_align = 8;
276  }
277  break;
278  case AV_PIX_FMT_PAL8:
279  case AV_PIX_FMT_BGR8:
280  case AV_PIX_FMT_RGB8:
281  if (s->codec_id == AV_CODEC_ID_SMC ||
282  s->codec_id == AV_CODEC_ID_CINEPAK) {
283  w_align = 4;
284  h_align = 4;
285  }
286  if (s->codec_id == AV_CODEC_ID_JV ||
287  s->codec_id == AV_CODEC_ID_ARGO ||
288  s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
289  w_align = 8;
290  h_align = 8;
291  }
292  if (s->codec_id == AV_CODEC_ID_MJPEG ||
293  s->codec_id == AV_CODEC_ID_MJPEGB ||
294  s->codec_id == AV_CODEC_ID_LJPEG ||
295  s->codec_id == AV_CODEC_ID_SMVJPEG ||
296  s->codec_id == AV_CODEC_ID_AMV ||
297  s->codec_id == AV_CODEC_ID_SP5X ||
298  s->codec_id == AV_CODEC_ID_JPEGLS) {
299  w_align = 8;
300  h_align = 2*8;
301  }
302  break;
303  case AV_PIX_FMT_BGR24:
304  if ((s->codec_id == AV_CODEC_ID_MSZH) ||
305  (s->codec_id == AV_CODEC_ID_ZLIB)) {
306  w_align = 4;
307  h_align = 4;
308  }
309  break;
310  case AV_PIX_FMT_RGB24:
311  if (s->codec_id == AV_CODEC_ID_CINEPAK) {
312  w_align = 4;
313  h_align = 4;
314  }
315  break;
316  case AV_PIX_FMT_BGR0:
317  if (s->codec_id == AV_CODEC_ID_ARGO) {
318  w_align = 8;
319  h_align = 8;
320  }
321  break;
322  default:
323  break;
324  }
325 
326  if (s->codec_id == AV_CODEC_ID_IFF_ILBM) {
327  w_align = FFMAX(w_align, 16);
328  }
329 
330  *width = FFALIGN(*width, w_align);
331  *height = FFALIGN(*height, h_align);
332  if (s->codec_id == AV_CODEC_ID_H264 || s->lowres ||
333  s->codec_id == AV_CODEC_ID_VC1 || s->codec_id == AV_CODEC_ID_WMV3 ||
334  s->codec_id == AV_CODEC_ID_VP5 || s->codec_id == AV_CODEC_ID_VP6 ||
335  s->codec_id == AV_CODEC_ID_VP6F || s->codec_id == AV_CODEC_ID_VP6A
336  ) {
337  // some of the optimized chroma MC reads one line too much
338  // which is also done in mpeg decoders with lowres > 0
339  *height += 2;
340 
341  // H.264 uses edge emulation for out of frame motion vectors, for this
342  // it requires a temporary area large enough to hold a 21x21 block,
343  // increasing witdth ensure that the temporary area is large enough,
344  // the next rounded up width is 32
345  *width = FFMAX(*width, 32);
346  }
347  if (s->codec_id == AV_CODEC_ID_SVQ3) {
348  *width = FFMAX(*width, 32);
349  }
350 
351  for (i = 0; i < 4; i++)
352  linesize_align[i] = STRIDE_ALIGN;
353 }
354 
356 {
357  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
358  int chroma_shift = desc->log2_chroma_w;
359  int linesize_align[AV_NUM_DATA_POINTERS];
360  int align;
361 
362  avcodec_align_dimensions2(s, width, height, linesize_align);
363  align = FFMAX(linesize_align[0], linesize_align[3]);
364  linesize_align[1] <<= chroma_shift;
365  linesize_align[2] <<= chroma_shift;
366  align = FFMAX3(align, linesize_align[1], linesize_align[2]);
367  *width = FFALIGN(*width, align);
368 }
369 
370 int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
371  enum AVSampleFormat sample_fmt, const uint8_t *buf,
372  int buf_size, int align)
373 {
374  int ch, planar, needed_size, ret = 0;
375 
376  needed_size = av_samples_get_buffer_size(NULL, nb_channels,
377  frame->nb_samples, sample_fmt,
378  align);
379  if (buf_size < needed_size)
380  return AVERROR(EINVAL);
381 
382  planar = av_sample_fmt_is_planar(sample_fmt);
383  if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
384  if (!FF_ALLOCZ_TYPED_ARRAY(frame->extended_data, nb_channels))
385  return AVERROR(ENOMEM);
386  } else {
387  frame->extended_data = frame->data;
388  }
389 
390  if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
391  (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples,
392  sample_fmt, align)) < 0) {
393  if (frame->extended_data != frame->data)
394  av_freep(&frame->extended_data);
395  return ret;
396  }
397  if (frame->extended_data != frame->data) {
398  for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
399  frame->data[ch] = frame->extended_data[ch];
400  }
401 
402  return ret;
403 }
404 
405 
408 }
409 
410 const char *avcodec_get_name(enum AVCodecID id)
411 {
412  const AVCodecDescriptor *cd;
413  const AVCodec *codec;
414 
415  if (id == AV_CODEC_ID_NONE)
416  return "none";
417  cd = avcodec_descriptor_get(id);
418  if (cd)
419  return cd->name;
420  av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
421  codec = avcodec_find_decoder(id);
422  if (codec)
423  return codec->name;
424  codec = avcodec_find_encoder(id);
425  if (codec)
426  return codec->name;
427  return "unknown_codec";
428 }
429 
430 const char *av_get_profile_name(const AVCodec *codec, int profile)
431 {
432  const AVProfile *p;
433  if (profile == AV_PROFILE_UNKNOWN || !codec->profiles)
434  return NULL;
435 
436  for (p = codec->profiles; p->profile != AV_PROFILE_UNKNOWN; p++)
437  if (p->profile == profile)
438  return p->name;
439 
440  return NULL;
441 }
442 
444 {
446  const AVProfile *p;
447 
448  if (profile == AV_PROFILE_UNKNOWN || !desc || !desc->profiles)
449  return NULL;
450 
451  for (p = desc->profiles; p->profile != AV_PROFILE_UNKNOWN; p++)
452  if (p->profile == profile)
453  return p->name;
454 
455  return NULL;
456 }
457 
459 {
460  switch (codec_id) {
461  case AV_CODEC_ID_DFPWM:
462  return 1;
478  return 4;
486  case AV_CODEC_ID_PCM_S8:
488  case AV_CODEC_ID_PCM_SGA:
489  case AV_CODEC_ID_PCM_U8:
494  return 8;
501  return 16;
508  return 24;
518  return 32;
523  return 64;
524  default:
525  return 0;
526  }
527 }
528 
530 {
531  static const enum AVCodecID map[][2] = {
543  };
544  if (fmt < 0 || fmt >= FF_ARRAY_ELEMS(map))
545  return AV_CODEC_ID_NONE;
546  if (be < 0 || be > 1)
547  be = AV_NE(1, 0);
548  return map[fmt][be];
549 }
550 
552 {
553  switch (codec_id) {
554  case AV_CODEC_ID_DFPWM:
555  return 1;
557  return 2;
559  return 3;
566  return 4;
567  default:
569  }
570 }
571 
572 static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
573  uint32_t tag, int bits_per_coded_sample, int64_t bitrate,
574  uint8_t * extradata, int frame_size, int frame_bytes)
575 {
577  int framecount = (ba > 0 && frame_bytes / ba > 0) ? frame_bytes / ba : 1;
578 
579  /* codecs with an exact constant bits per sample */
580  if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768)
581  return (frame_bytes * 8LL) / (bps * ch);
582  bps = bits_per_coded_sample;
583 
584  /* codecs with a fixed packet duration */
585  switch (id) {
586  case AV_CODEC_ID_ADPCM_ADX: return 32;
587  case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
588  case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
589  case AV_CODEC_ID_AMR_NB:
590  case AV_CODEC_ID_EVRC:
591  case AV_CODEC_ID_GSM:
592  case AV_CODEC_ID_QCELP:
593  case AV_CODEC_ID_RA_288: return 160;
594  case AV_CODEC_ID_AMR_WB:
595  case AV_CODEC_ID_GSM_MS: return 320;
596  case AV_CODEC_ID_MP1: return 384;
597  case AV_CODEC_ID_ATRAC1: return 512;
598  case AV_CODEC_ID_ATRAC9:
599  case AV_CODEC_ID_ATRAC3:
600  if (framecount > INT_MAX/1024)
601  return 0;
602  return 1024 * framecount;
603  case AV_CODEC_ID_ATRAC3P: return 2048;
604  case AV_CODEC_ID_MP2:
605  case AV_CODEC_ID_MUSEPACK7: return 1152;
606  case AV_CODEC_ID_AC3: return 1536;
607  case AV_CODEC_ID_FTR: return 1024;
608  }
609 
610  if (sr > 0) {
611  /* calc from sample rate */
612  if (id == AV_CODEC_ID_TTA)
613  return 256ll * sr / 245;
614  else if (id == AV_CODEC_ID_DST)
615  return 588ll * sr / 44100;
616  else if (id == AV_CODEC_ID_BINKAUDIO_DCT) {
617  if (sr / 22050 > 22)
618  return 0;
619  return (480 << (sr / 22050));
620  }
621 
622  if (id == AV_CODEC_ID_MP3)
623  return sr <= 24000 ? 576 : 1152;
624  }
625 
626  if (ba > 0) {
627  /* calc from block_align */
628  if (id == AV_CODEC_ID_SIPR) {
629  switch (ba) {
630  case 20: return 160;
631  case 19: return 144;
632  case 29: return 288;
633  case 37: return 480;
634  }
635  } else if (id == AV_CODEC_ID_ILBC) {
636  switch (ba) {
637  case 38: return 160;
638  case 50: return 240;
639  }
640  }
641  }
642 
643  if (frame_bytes > 0) {
644  /* calc from frame_bytes only */
645  if (id == AV_CODEC_ID_TRUESPEECH)
646  return 240 * (frame_bytes / 32);
647  if (id == AV_CODEC_ID_NELLYMOSER)
648  return 256 * (frame_bytes / 64);
649  if (id == AV_CODEC_ID_RA_144)
650  return 160 * (frame_bytes / 20);
651  if (id == AV_CODEC_ID_APTX)
652  return 4 * (frame_bytes / 4);
653  if (id == AV_CODEC_ID_APTX_HD)
654  return 4 * (frame_bytes / 6);
655 
656  if (bps > 0) {
657  /* calc from frame_bytes and bits_per_coded_sample */
659  return frame_bytes * 8 / bps;
660  }
661 
662  if (ch > 0 && ch < INT_MAX/16) {
663  /* calc from frame_bytes and channels */
664  switch (id) {
666  return frame_bytes / (40 * ch) * 256;
668  return (frame_bytes - 4 * ch) / (128 * ch) * 256;
670  return frame_bytes / (9 * ch) * 16;
673  frame_bytes /= 16 * ch;
674  if (frame_bytes > INT_MAX / 28)
675  return 0;
676  return frame_bytes * 28;
681  return (frame_bytes - 4 * ch) * 2 / ch;
683  return (frame_bytes - 4) * 2 / ch;
685  return (frame_bytes - 8) * 2;
688  if (extradata)
689  return frame_bytes * 14LL / (8 * ch);
690  break;
692  return (frame_bytes / 128) * 224 / ch;
694  return (frame_bytes - 6 - ch) / ch;
696  return (frame_bytes - 8) / ch;
698  return (frame_bytes - 2 * ch) / ch;
699  case AV_CODEC_ID_MACE3:
700  return 3 * frame_bytes / ch;
701  case AV_CODEC_ID_MACE6:
702  return 6 * frame_bytes / ch;
703  case AV_CODEC_ID_PCM_LXF:
704  return 2 * (frame_bytes / (5 * ch));
705  case AV_CODEC_ID_IAC:
706  case AV_CODEC_ID_IMC:
707  return 4 * frame_bytes / ch;
708  }
709 
710  if (tag) {
711  /* calc from frame_bytes, channels, and codec_tag */
712  if (id == AV_CODEC_ID_SOL_DPCM) {
713  if (tag == 3)
714  return frame_bytes / ch;
715  else
716  return frame_bytes * 2 / ch;
717  }
718  }
719 
720  if (ba > 0) {
721  /* calc from frame_bytes, channels, and block_align */
722  int blocks = frame_bytes / ba;
723  int64_t tmp = 0;
724  switch (id) {
726  if (bps != 4)
727  return 0;
728  tmp = blocks * ((ba - 4 * ch) / (bps * ch) * 8);
729  break;
731  if (bps < 2 || bps > 5)
732  return 0;
733  tmp = blocks * (1LL + (ba - 4 * ch) / (bps * ch) * 8LL);
734  break;
736  tmp = blocks * (((ba - 16LL) * 2 / 3 * 4) / ch);
737  break;
739  tmp = blocks * (1 + (ba - 4LL * ch) * 2 / ch);
740  break;
742  tmp = blocks * ((ba - 4LL * ch) * 2 / ch);
743  break;
745  tmp = blocks * (2 + (ba - 7LL * ch) * 2LL / ch);
746  break;
748  tmp = blocks * (ba - 16LL) * 2 / ch;
749  break;
751  tmp = blocks * 32;
752  break;
753  }
754  if (tmp) {
755  if (tmp != (int)tmp)
756  return 0;
757  return tmp;
758  }
759  }
760 
761  if (bps > 0) {
762  /* calc from frame_bytes, channels, and bits_per_coded_sample */
763  switch (id) {
764  case AV_CODEC_ID_PCM_DVD:
765  if(bps<4 || frame_bytes<3)
766  return 0;
767  return 2 * ((frame_bytes - 3) / ((bps * 2 / 8) * ch));
769  if(bps<4 || frame_bytes<4)
770  return 0;
771  return (frame_bytes - 4) / ((FFALIGN(ch, 2) * bps) / 8);
772  case AV_CODEC_ID_S302M:
773  return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
774  }
775  }
776  }
777  }
778 
779  /* Fall back on using frame_size */
780  if (frame_size > 1 && frame_bytes)
781  return frame_size;
782 
783  //For WMA we currently have no other means to calculate duration thus we
784  //do it here by assuming CBR, which is true for all known cases.
785  if (bitrate > 0 && frame_bytes > 0 && sr > 0 && ba > 1) {
786  if (id == AV_CODEC_ID_WMAV1 || id == AV_CODEC_ID_WMAV2)
787  return (frame_bytes * 8LL * sr) / bitrate;
788  }
789 
790  return 0;
791 }
792 
793 int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
794 {
795  int channels = avctx->ch_layout.nb_channels;
796  int duration;
797 
799  channels, avctx->block_align,
800  avctx->codec_tag, avctx->bits_per_coded_sample,
801  avctx->bit_rate, avctx->extradata, avctx->frame_size,
802  frame_bytes);
803  return FFMAX(0, duration);
804 }
805 
807 {
808  int channels = par->ch_layout.nb_channels;
809  int duration;
810 
812  channels, par->block_align,
813  par->codec_tag, par->bits_per_coded_sample,
814  par->bit_rate, par->extradata, par->frame_size,
815  frame_bytes);
816  return FFMAX(0, duration);
817 }
818 
819 unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
820 {
821  unsigned int n = 0;
822 
823  while (v >= 0xff) {
824  *s++ = 0xff;
825  v -= 0xff;
826  n++;
827  }
828  *s = v;
829  n++;
830  return n;
831 }
832 
833 int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
834 {
835  int i;
836  for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
837  return i;
838 }
839 
841 {
842  const FFCodec *const codec = ffcodec(avcodec);
843  int i;
844  if (!codec->hw_configs || index < 0)
845  return NULL;
846  for (i = 0; i <= index; i++)
847  if (!codec->hw_configs[i])
848  return NULL;
849  return &codec->hw_configs[index]->public;
850 }
851 
853 {
854  int ret;
855 
856  dst->owner[0] = src->owner[0];
857  dst->owner[1] = src->owner[1];
858 
859  ret = av_frame_ref(dst->f, src->f);
860  if (ret < 0)
861  return ret;
862 
863  av_assert0(!dst->progress);
864 
865  if (src->progress)
866  dst->progress = av_refstruct_ref(src->progress);
867 
868  return 0;
869 }
870 
872 {
873  int ret;
874 
875  dst->owner[0] = src->owner[0];
876  dst->owner[1] = src->owner[1];
877 
878  ret = av_frame_replace(dst->f, src->f);
879  if (ret < 0)
880  return ret;
881 
882  av_refstruct_replace(&dst->progress, src->progress);
883 
884  return 0;
885 }
886 
887 #if !HAVE_THREADS
888 
890 {
891  return ff_get_buffer(avctx, f, flags);
892 }
893 
895 {
896  f->owner[0] = f->owner[1] = avctx;
897  return ff_get_buffer(avctx, f->f, flags);
898 }
899 
901 {
902  f->owner[0] = f->owner[1] = NULL;
903  if (f->f)
904  av_frame_unref(f->f);
905 }
906 
908 {
909 }
910 
911 void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
912 {
913 }
914 
915 void ff_thread_await_progress(const ThreadFrame *f, int progress, int field)
916 {
917 }
918 
920 {
921  return 1;
922 }
923 #endif
924 
925 const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
926  const uint8_t *end,
927  uint32_t *restrict state)
928 {
929  int i;
930 
931  av_assert0(p <= end);
932  if (p >= end)
933  return end;
934 
935  for (i = 0; i < 3; i++) {
936  uint32_t tmp = *state << 8;
937  *state = tmp + *(p++);
938  if (tmp == 0x100 || p == end)
939  return p;
940  }
941 
942  while (p < end) {
943  if (p[-1] > 1 ) p += 3;
944  else if (p[-2] ) p += 2;
945  else if (p[-3]|(p[-1]-1)) p++;
946  else {
947  p++;
948  break;
949  }
950  }
951 
952  p = FFMIN(p, end) - 4;
953  *state = AV_RB32(p);
954 
955  return p + 4;
956 }
957 
959 {
960  AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
961  if (!props)
962  return NULL;
963 
964  if (size)
965  *size = sizeof(*props);
966 
967  props->vbv_delay = UINT64_MAX;
968 
969  return props;
970 }
971 
972 int ff_alloc_timecode_sei(const AVFrame *frame, AVRational rate, size_t prefix_len,
973  void **data, size_t *sei_size)
974 {
975  AVFrameSideData *sd = NULL;
976  uint8_t *sei_data;
977  PutBitContext pb;
978  uint32_t *tc;
979  int m;
980 
981  if (frame)
983 
984  if (!sd) {
985  *data = NULL;
986  return 0;
987  }
988  tc = (uint32_t*)sd->data;
989  m = tc[0] & 3;
990 
991  *sei_size = sizeof(uint32_t) * 4;
992  *data = av_mallocz(*sei_size + prefix_len);
993  if (!*data)
994  return AVERROR(ENOMEM);
995  sei_data = (uint8_t*)*data + prefix_len;
996 
997  init_put_bits(&pb, sei_data, *sei_size);
998  put_bits(&pb, 2, m); // num_clock_ts
999 
1000  for (int j = 1; j <= m; j++) {
1001  unsigned hh, mm, ss, ff, drop;
1002  ff_timecode_set_smpte(&drop, &hh, &mm, &ss, &ff, rate, tc[j], 0, 0);
1003 
1004  put_bits(&pb, 1, 1); // clock_timestamp_flag
1005  put_bits(&pb, 1, 1); // units_field_based_flag
1006  put_bits(&pb, 5, 0); // counting_type
1007  put_bits(&pb, 1, 1); // full_timestamp_flag
1008  put_bits(&pb, 1, 0); // discontinuity_flag
1009  put_bits(&pb, 1, drop);
1010  put_bits(&pb, 9, ff);
1011  put_bits(&pb, 6, ss);
1012  put_bits(&pb, 6, mm);
1013  put_bits(&pb, 5, hh);
1014  put_bits(&pb, 5, 0);
1015  }
1016  flush_put_bits(&pb);
1017 
1018  return 0;
1019 }
1020 
1022 {
1023  AVRational framerate = avctx->framerate;
1024  int bits_per_coded_sample = avctx->bits_per_coded_sample;
1025  int64_t bitrate;
1026 
1027  if (!(framerate.num && framerate.den))
1028  framerate = av_inv_q(avctx->time_base);
1029  if (!(framerate.num && framerate.den))
1030  return 0;
1031 
1032  if (!bits_per_coded_sample) {
1034  bits_per_coded_sample = av_get_bits_per_pixel(desc);
1035  }
1036  bitrate = (int64_t)bits_per_coded_sample * avctx->width * avctx->height *
1037  framerate.num / framerate.den;
1038 
1039  return bitrate;
1040 }
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:335
hwconfig.h
AVCodecContext::frame_size
int frame_size
Number of samples per channel in an audio frame.
Definition: avcodec.h:1091
AV_CODEC_ID_MACE6
@ AV_CODEC_ID_MACE6
Definition: codec_id.h:458
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:355
AV_CODEC_ID_DSD_LSBF
@ AV_CODEC_ID_DSD_LSBF
Definition: codec_id.h:521
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:380
AV_CODEC_ID_ADPCM_IMA_QT
@ AV_CODEC_ID_ADPCM_IMA_QT
Definition: codec_id.h:374
AV_CODEC_ID_AC3
@ AV_CODEC_ID_AC3
Definition: codec_id.h:451
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:359
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:407
AVCodecContext::sample_rate
int sample_rate
samples per second
Definition: avcodec.h:1064
av_frame_get_side_data
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition: frame.c:693
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:681
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:3313
timecode_internal.h
AV_CODEC_ID_8SVX_EXP
@ AV_CODEC_ID_8SVX_EXP
Definition: codec_id.h:502
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:900
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:919
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:364
avcodec_find_encoder
const AVCodec * avcodec_find_encoder(enum AVCodecID id)
Find a registered encoder with a matching codec ID.
Definition: allcodecs.c:1014
AV_CODEC_ID_FASTAUDIO
@ AV_CODEC_ID_FASTAUDIO
Definition: codec_id.h:542
AV_CODEC_ID_RA_144
@ AV_CODEC_ID_RA_144
Definition: codec_id.h:433
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:410
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:365
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:349
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
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:355
AV_CODEC_ID_AMR_NB
@ AV_CODEC_ID_AMR_NB
Definition: codec_id.h:429
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:412
AV_CODEC_ID_ADPCM_IMA_OKI
@ AV_CODEC_ID_ADPCM_IMA_OKI
Definition: codec_id.h:406
AV_CODEC_ID_PCM_SGA
@ AV_CODEC_ID_PCM_SGA
Definition: codec_id.h:371
FFCodec
Definition: codec_internal.h:127
AV_CODEC_ID_SOL_DPCM
@ AV_CODEC_ID_SOL_DPCM
Definition: codec_id.h:440
AV_CODEC_ID_WMAV2
@ AV_CODEC_ID_WMAV2
Definition: codec_id.h:456
AV_CODEC_ID_ADPCM_G722
@ AV_CODEC_ID_ADPCM_G722
Definition: codec_id.h:402
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:3265
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:475
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:443
AVChannelLayout::nb_channels
int nb_channels
Number of channels in this layout.
Definition: channel_layout.h:329
AV_CODEC_ID_ADPCM_XMD
@ AV_CODEC_ID_ADPCM_XMD
Definition: codec_id.h:425
thread.h
AV_CODEC_ID_PCM_S16LE_PLANAR
@ AV_CODEC_ID_PCM_S16LE_PLANAR
Definition: codec_id.h:353
AV_CODEC_ID_ADPCM_THP_LE
@ AV_CODEC_ID_ADPCM_THP_LE
Definition: codec_id.h:410
AV_CODEC_ID_AMR_WB
@ AV_CODEC_ID_AMR_WB
Definition: codec_id.h:430
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
ff_timecode_set_smpte
void ff_timecode_set_smpte(unsigned *drop, unsigned *hh, unsigned *mm, unsigned *ss, unsigned *ff, AVRational rate, uint32_t tcsmpte, int prevent_df, int skip_field)
Convert SMPTE 12M binary representation to sei info.
Definition: timecode_internal.c:33
AV_CODEC_ID_PCM_S64LE
@ AV_CODEC_ID_PCM_S64LE
Definition: codec_id.h:366
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:524
AV_CODEC_ID_ADPCM_CT
@ AV_CODEC_ID_ADPCM_CT
Definition: codec_id.h:386
AVCodecContext::framerate
AVRational framerate
Definition: avcodec.h:574
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:336
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:1079
AV_CODEC_ID_XAN_DPCM
@ AV_CODEC_ID_XAN_DPCM
Definition: codec_id.h:439
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:449
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:503
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:479
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:551
AV_CODEC_ID_SIPR
@ AV_CODEC_ID_SIPR
Definition: codec_id.h:489
AV_CODEC_ID_ADPCM_SBPRO_2
@ AV_CODEC_ID_ADPCM_SBPRO_2
Definition: codec_id.h:391
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:455
AV_CODEC_ID_PCM_S8
@ AV_CODEC_ID_PCM_S8
Definition: codec_id.h:339
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:457
AV_CODEC_ID_ATRAC3P
@ AV_CODEC_ID_ATRAC3P
Definition: codec_id.h:487
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:470
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:361
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:424
AV_CODEC_ID_ADPCM_G726
@ AV_CODEC_ID_ADPCM_G726
Definition: codec_id.h:385
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:360
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:405
AV_CODEC_ID_ADPCM_IMA_EA_SEAD
@ AV_CODEC_ID_ADPCM_IMA_EA_SEAD
Definition: codec_id.h:397
bitrate
int64_t bitrate
Definition: av1_levels.c:47
frame_size
int frame_size
Definition: mxfenc.c:2446
AV_CODEC_ID_WADY_DPCM
@ AV_CODEC_ID_WADY_DPCM
Definition: codec_id.h:444
AV_CODEC_ID_MP2
@ AV_CODEC_ID_MP2
Definition: codec_id.h:448
AV_CODEC_ID_ADPCM_IMA_DK3
@ AV_CODEC_ID_ADPCM_IMA_DK3
Definition: codec_id.h:376
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:403
AV_CODEC_ID_ATRAC9
@ AV_CODEC_ID_ATRAC9
Definition: codec_id.h:536
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:125
AV_CODEC_ID_ADPCM_IMA_ISS
@ AV_CODEC_ID_ADPCM_IMA_ISS
Definition: codec_id.h:401
AV_CODEC_ID_BINKAUDIO_DCT
@ AV_CODEC_ID_BINKAUDIO_DCT
Definition: codec_id.h:496
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:370
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:369
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:925
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:889
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:145
AV_CODEC_ID_DERF_DPCM
@ AV_CODEC_ID_DERF_DPCM
Definition: codec_id.h:443
AV_CODEC_ID_PCM_MULAW
@ AV_CODEC_ID_PCM_MULAW
Definition: codec_id.h:341
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:338
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:915
AV_CODEC_ID_ADPCM_IMA_SMJPEG
@ AV_CODEC_ID_ADPCM_IMA_SMJPEG
Definition: codec_id.h:379
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:354
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
AV_CODEC_ID_ADPCM_IMA_XBOX
@ AV_CODEC_ID_ADPCM_IMA_XBOX
Definition: codec_id.h:426
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:852
AVMatrixEncoding
AVMatrixEncoding
Definition: channel_layout.h:260
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:342
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:399
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:833
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:529
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:388
AV_CODEC_ID_ADPCM_IMA_WS
@ AV_CODEC_ID_ADPCM_IMA_WS
Definition: codec_id.h:378
AV_CODEC_ID_PCM_U24BE
@ AV_CODEC_ID_PCM_U24BE
Definition: codec_id.h:350
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:438
AV_CODEC_ID_PCM_U32BE
@ AV_CODEC_ID_PCM_U32BE
Definition: codec_id.h:346
AV_CODEC_ID_ADPCM_ARGO
@ AV_CODEC_ID_ADPCM_ARGO
Definition: codec_id.h:416
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:377
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:367
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:393
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:871
AV_CODEC_ID_ROQ_DPCM
@ AV_CODEC_ID_ROQ_DPCM
Definition: codec_id.h:437
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:363
AV_CODEC_ID_ADPCM_XA
@ AV_CODEC_ID_ADPCM_XA
Definition: codec_id.h:382
AV_CODEC_ID_GSM
@ AV_CODEC_ID_GSM
as in Berlin toast format
Definition: codec_id.h:466
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:370
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:1019
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:558
av_codec_is_decoder
int av_codec_is_decoder(const AVCodec *avcodec)
Definition: utils.c:87
AV_CODEC_ID_QCELP
@ AV_CODEC_ID_QCELP
Definition: codec_id.h:472
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:458
f
f
Definition: af_crystalizer.c:122
AV_CODEC_ID_PCM_S24LE
@ AV_CODEC_ID_PCM_S24LE
Definition: codec_id.h:347
ff_get_buffer
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1706
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:383
state
static struct @474 state
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:308
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:408
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:522
AV_CODEC_ID_ADPCM_IMA_ALP
@ AV_CODEC_ID_ADPCM_IMA_ALP
Definition: codec_id.h:420
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:1912
AV_CODEC_ID_ADPCM_SWF
@ AV_CODEC_ID_ADPCM_SWF
Definition: codec_id.h:387
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:406
AV_NUM_DATA_POINTERS
#define AV_NUM_DATA_POINTERS
Definition: frame.h:411
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:54
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:806
AVFrameSideData::data
uint8_t * data
Definition: frame.h:267
ffcodec
static const av_always_inline FFCodec * ffcodec(const AVCodec *codec)
Definition: codec_internal.h:358
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
av_refstruct_ref
void * av_refstruct_ref(void *obj)
Create a new reference to an object managed via this API, i.e.
Definition: refstruct.c:140
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:894
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:79
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:410
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:1586
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:494
AV_CODEC_ID_RA_288
@ AV_CODEC_ID_RA_288
Definition: codec_id.h:434
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:907
AV_CODEC_ID_ADPCM_MTAF
@ AV_CODEC_ID_ADPCM_MTAF
Definition: codec_id.h:414
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:430
width
static int width
Definition: utils.c:158
AVCodecContext::extradata
uint8_t * extradata
Out-of-band global headers that may be used by some codecs.
Definition: avcodec.h:537
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:519
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:958
AV_CODEC_ID_DSD_LSBF_PLANAR
@ AV_CODEC_ID_DSD_LSBF_PLANAR
Definition: codec_id.h:523
AVSampleFormat
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:55
AV_CODEC_ID_PCM_F64BE
@ AV_CODEC_ID_PCM_F64BE
Definition: codec_id.h:357
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:53
AV_PIX_FMT_RGB555
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:513
av_xiphlacing
unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
Encode extradata length to a buffer.
Definition: utils.c:819
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:419
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:344
av_frame_unref
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Definition: frame.c:530
av_get_audio_frame_duration
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
Return audio frame duration.
Definition: utils.c:793
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:368
AV_CODEC_ID_ADPCM_IMA_DAT4
@ AV_CODEC_ID_ADPCM_IMA_DAT4
Definition: codec_id.h:413
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:2250
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:632
AVCodecContext::pix_fmt
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:671
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:1021
avcodec.h
AV_CODEC_ID_IAC
@ AV_CODEC_ID_IAC
Definition: codec_id.h:506
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:478
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:1911
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:1097
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:572
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
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:445
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:407
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:409
channel_layout.h
AV_CODEC_ID_BINKVIDEO
@ AV_CODEC_ID_BINKVIDEO
Definition: codec_id.h:187
av_refstruct_replace
void av_refstruct_replace(void *dstp, const void *src)
Ensure *dstp refers to the same object as src.
Definition: refstruct.c:160
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:66
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:345
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:840
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:469
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:529
AV_CODEC_ID_ADPCM_THP
@ AV_CODEC_ID_ADPCM_THP
Definition: codec_id.h:392
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:343
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
AV_CODEC_ID_ADPCM_SBPRO_4
@ AV_CODEC_ID_ADPCM_SBPRO_4
Definition: codec_id.h:389
AV_CODEC_ID_PCM_U8
@ AV_CODEC_ID_PCM_U8
Definition: codec_id.h:340
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:441
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:95
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:110
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:351
AV_CODEC_ID_ADPCM_IMA_SSI
@ AV_CODEC_ID_ADPCM_IMA_SSI
Definition: codec_id.h:417
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:358
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:972
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:423
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:375
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:507
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:362
AVCodecContext::width
int width
picture width / height.
Definition: avcodec.h:632
AV_CODEC_ID_PCM_U16LE
@ AV_CODEC_ID_PCM_U16LE
Definition: codec_id.h:337
imgutils.h
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:482
AV_CODEC_ID_DFPWM
@ AV_CODEC_ID_DFPWM
Definition: codec_id.h:544
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:356
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:381
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:3780
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:533
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:476
AV_CODEC_ID_ADPCM_PSX
@ AV_CODEC_ID_ADPCM_PSX
Definition: codec_id.h:411
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:911
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:548
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:490
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:348
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:656
AV_CODEC_ID_APTX_HD
@ AV_CODEC_ID_APTX_HD
Definition: codec_id.h:534
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:481
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:390
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