FFmpeg  4.4.4
rawenc.c
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1 /*
2  * RAW muxers
3  * Copyright (c) 2001 Fabrice Bellard
4  * Copyright (c) 2005 Alex Beregszaszi
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 #include "libavutil/intreadwrite.h"
24 
25 #include "avformat.h"
26 #include "rawenc.h"
27 #include "internal.h"
28 
30 {
31  avio_write(s->pb, pkt->data, pkt->size);
32  return 0;
33 }
34 
36 {
37  if (s->nb_streams != 1) {
38  av_log(s, AV_LOG_ERROR, "%s files have exactly one stream\n",
39  s->oformat->name);
40  return AVERROR(EINVAL);
41  }
42  if ( s->oformat->audio_codec != AV_CODEC_ID_NONE
43  && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
44  av_log(s, AV_LOG_ERROR, "%s files have exactly one audio stream\n",
45  s->oformat->name);
46  return AVERROR(EINVAL);
47  }
48  if ( s->oformat->video_codec != AV_CODEC_ID_NONE
49  && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_VIDEO) {
50  av_log(s, AV_LOG_ERROR, "%s files have exactly one video stream\n",
51  s->oformat->name);
52  return AVERROR(EINVAL);
53  }
54  return 0;
55 }
56 
57 /* Note: Do not forget to add new entries to the Makefile as well. */
58 
59 #if CONFIG_AC3_MUXER
61  .name = "ac3",
62  .long_name = NULL_IF_CONFIG_SMALL("raw AC-3"),
63  .mime_type = "audio/x-ac3",
64  .extensions = "ac3",
65  .audio_codec = AV_CODEC_ID_AC3,
66  .video_codec = AV_CODEC_ID_NONE,
67  .init = force_one_stream,
68  .write_packet = ff_raw_write_packet,
69  .flags = AVFMT_NOTIMESTAMPS,
70 };
71 #endif
72 
73 #if CONFIG_ADX_MUXER
74 
75 static int adx_write_trailer(AVFormatContext *s)
76 {
77  AVIOContext *pb = s->pb;
78  AVCodecParameters *par = s->streams[0]->codecpar;
79 
80  if (pb->seekable & AVIO_SEEKABLE_NORMAL) {
81  int64_t file_size = avio_tell(pb);
82  uint64_t sample_count = (file_size - 36) / par->channels / 18 * 32;
83  if (sample_count <= UINT32_MAX) {
84  avio_seek(pb, 12, SEEK_SET);
85  avio_wb32(pb, sample_count);
86  avio_seek(pb, file_size, SEEK_SET);
87  }
88  }
89 
90  return 0;
91 }
92 
94  .name = "adx",
95  .long_name = NULL_IF_CONFIG_SMALL("CRI ADX"),
96  .extensions = "adx",
97  .audio_codec = AV_CODEC_ID_ADPCM_ADX,
98  .video_codec = AV_CODEC_ID_NONE,
99  .init = force_one_stream,
100  .write_packet = ff_raw_write_packet,
101  .write_trailer = adx_write_trailer,
102  .flags = AVFMT_NOTIMESTAMPS,
103 };
104 #endif
105 
106 #if CONFIG_APTX_MUXER
108  .name = "aptx",
109  .long_name = NULL_IF_CONFIG_SMALL("raw aptX (Audio Processing Technology for Bluetooth)"),
110  .extensions = "aptx",
111  .audio_codec = AV_CODEC_ID_APTX,
112  .video_codec = AV_CODEC_ID_NONE,
113  .init = force_one_stream,
114  .write_packet = ff_raw_write_packet,
115  .flags = AVFMT_NOTIMESTAMPS,
116 };
117 #endif
118 
119 #if CONFIG_APTX_HD_MUXER
121  .name = "aptx_hd",
122  .long_name = NULL_IF_CONFIG_SMALL("raw aptX HD (Audio Processing Technology for Bluetooth)"),
123  .extensions = "aptxhd",
124  .audio_codec = AV_CODEC_ID_APTX_HD,
125  .video_codec = AV_CODEC_ID_NONE,
126  .init = force_one_stream,
127  .write_packet = ff_raw_write_packet,
128  .flags = AVFMT_NOTIMESTAMPS,
129 };
130 #endif
131 
132 #if CONFIG_AVS2_MUXER
134  .name = "avs2",
135  .long_name = NULL_IF_CONFIG_SMALL("raw AVS2-P2/IEEE1857.4 video"),
136  .extensions = "avs,avs2",
137  .audio_codec = AV_CODEC_ID_NONE,
138  .video_codec = AV_CODEC_ID_AVS2,
139  .init = force_one_stream,
140  .write_packet = ff_raw_write_packet,
141  .flags = AVFMT_NOTIMESTAMPS,
142 };
143 #endif
144 
145 #if CONFIG_CAVSVIDEO_MUXER
147  .name = "cavsvideo",
148  .long_name = NULL_IF_CONFIG_SMALL("raw Chinese AVS (Audio Video Standard) video"),
149  .extensions = "cavs",
150  .audio_codec = AV_CODEC_ID_NONE,
151  .video_codec = AV_CODEC_ID_CAVS,
152  .init = force_one_stream,
153  .write_packet = ff_raw_write_packet,
154  .flags = AVFMT_NOTIMESTAMPS,
155 };
156 #endif
157 
158 #if CONFIG_CODEC2RAW_MUXER
160  .name = "codec2raw",
161  .long_name = NULL_IF_CONFIG_SMALL("raw codec2 muxer"),
162  .audio_codec = AV_CODEC_ID_CODEC2,
163  .video_codec = AV_CODEC_ID_NONE,
164  .init = force_one_stream,
165  .write_packet = ff_raw_write_packet,
166  .flags = AVFMT_NOTIMESTAMPS,
167 };
168 #endif
169 
170 
171 #if CONFIG_DATA_MUXER
173  .name = "data",
174  .long_name = NULL_IF_CONFIG_SMALL("raw data"),
175  .init = force_one_stream,
176  .write_packet = ff_raw_write_packet,
177  .flags = AVFMT_NOTIMESTAMPS,
178 };
179 #endif
180 
181 #if CONFIG_DIRAC_MUXER
183  .name = "dirac",
184  .long_name = NULL_IF_CONFIG_SMALL("raw Dirac"),
185  .extensions = "drc,vc2",
186  .audio_codec = AV_CODEC_ID_NONE,
187  .video_codec = AV_CODEC_ID_DIRAC,
188  .init = force_one_stream,
189  .write_packet = ff_raw_write_packet,
190  .flags = AVFMT_NOTIMESTAMPS,
191 };
192 #endif
193 
194 #if CONFIG_DNXHD_MUXER
196  .name = "dnxhd",
197  .long_name = NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
198  .extensions = "dnxhd,dnxhr",
199  .audio_codec = AV_CODEC_ID_NONE,
200  .video_codec = AV_CODEC_ID_DNXHD,
201  .init = force_one_stream,
202  .write_packet = ff_raw_write_packet,
203  .flags = AVFMT_NOTIMESTAMPS,
204 };
205 #endif
206 
207 #if CONFIG_DTS_MUXER
209  .name = "dts",
210  .long_name = NULL_IF_CONFIG_SMALL("raw DTS"),
211  .mime_type = "audio/x-dca",
212  .extensions = "dts",
213  .audio_codec = AV_CODEC_ID_DTS,
214  .video_codec = AV_CODEC_ID_NONE,
215  .init = force_one_stream,
216  .write_packet = ff_raw_write_packet,
217  .flags = AVFMT_NOTIMESTAMPS,
218 };
219 #endif
220 
221 #if CONFIG_EAC3_MUXER
223  .name = "eac3",
224  .long_name = NULL_IF_CONFIG_SMALL("raw E-AC-3"),
225  .mime_type = "audio/x-eac3",
226  .extensions = "eac3",
227  .audio_codec = AV_CODEC_ID_EAC3,
228  .video_codec = AV_CODEC_ID_NONE,
229  .init = force_one_stream,
230  .write_packet = ff_raw_write_packet,
231  .flags = AVFMT_NOTIMESTAMPS,
232 };
233 #endif
234 
235 #if CONFIG_G722_MUXER
237  .name = "g722",
238  .long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
239  .mime_type = "audio/G722",
240  .extensions = "g722",
241  .audio_codec = AV_CODEC_ID_ADPCM_G722,
242  .video_codec = AV_CODEC_ID_NONE,
243  .init = force_one_stream,
244  .write_packet = ff_raw_write_packet,
245  .flags = AVFMT_NOTIMESTAMPS,
246 };
247 #endif
248 
249 #if CONFIG_G723_1_MUXER
251  .name = "g723_1",
252  .long_name = NULL_IF_CONFIG_SMALL("raw G.723.1"),
253  .mime_type = "audio/g723",
254  .extensions = "tco,rco",
255  .audio_codec = AV_CODEC_ID_G723_1,
256  .video_codec = AV_CODEC_ID_NONE,
257  .init = force_one_stream,
258  .write_packet = ff_raw_write_packet,
259  .flags = AVFMT_NOTIMESTAMPS,
260 };
261 #endif
262 
263 #if CONFIG_G726_MUXER
265  .name = "g726",
266  .long_name = NULL_IF_CONFIG_SMALL("raw big-endian G.726 (\"left-justified\")"),
267  .audio_codec = AV_CODEC_ID_ADPCM_G726,
268  .video_codec = AV_CODEC_ID_NONE,
269  .init = force_one_stream,
270  .write_packet = ff_raw_write_packet,
271  .flags = AVFMT_NOTIMESTAMPS,
272 };
273 #endif
274 
275 #if CONFIG_G726LE_MUXER
277  .name = "g726le",
278  .long_name = NULL_IF_CONFIG_SMALL("raw little-endian G.726 (\"right-justified\")"),
279  .audio_codec = AV_CODEC_ID_ADPCM_G726LE,
280  .video_codec = AV_CODEC_ID_NONE,
281  .init = force_one_stream,
282  .write_packet = ff_raw_write_packet,
283  .flags = AVFMT_NOTIMESTAMPS,
284 };
285 #endif
286 
287 #if CONFIG_GSM_MUXER
289  .name = "gsm",
290  .long_name = NULL_IF_CONFIG_SMALL("raw GSM"),
291  .mime_type = "audio/x-gsm",
292  .extensions = "gsm",
293  .audio_codec = AV_CODEC_ID_GSM,
294  .video_codec = AV_CODEC_ID_NONE,
295  .init = force_one_stream,
296  .write_packet = ff_raw_write_packet,
297  .flags = AVFMT_NOTIMESTAMPS,
298 };
299 #endif
300 
301 #if CONFIG_H261_MUXER
303  .name = "h261",
304  .long_name = NULL_IF_CONFIG_SMALL("raw H.261"),
305  .mime_type = "video/x-h261",
306  .extensions = "h261",
307  .audio_codec = AV_CODEC_ID_NONE,
308  .video_codec = AV_CODEC_ID_H261,
309  .init = force_one_stream,
310  .write_packet = ff_raw_write_packet,
311  .flags = AVFMT_NOTIMESTAMPS,
312 };
313 #endif
314 
315 #if CONFIG_H263_MUXER
317  .name = "h263",
318  .long_name = NULL_IF_CONFIG_SMALL("raw H.263"),
319  .mime_type = "video/x-h263",
320  .extensions = "h263",
321  .audio_codec = AV_CODEC_ID_NONE,
322  .video_codec = AV_CODEC_ID_H263,
323  .init = force_one_stream,
324  .write_packet = ff_raw_write_packet,
325  .flags = AVFMT_NOTIMESTAMPS,
326 };
327 #endif
328 
329 #if CONFIG_H264_MUXER
330 static int h264_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
331 {
332  AVStream *st = s->streams[0];
333  if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
334  AV_RB24(pkt->data) != 0x000001)
335  return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
336  return 1;
337 }
338 
340  .name = "h264",
341  .long_name = NULL_IF_CONFIG_SMALL("raw H.264 video"),
342  .extensions = "h264,264",
343  .audio_codec = AV_CODEC_ID_NONE,
344  .video_codec = AV_CODEC_ID_H264,
345  .init = force_one_stream,
346  .write_packet = ff_raw_write_packet,
347  .check_bitstream = h264_check_bitstream,
348  .flags = AVFMT_NOTIMESTAMPS,
349 };
350 #endif
351 
352 #if CONFIG_HEVC_MUXER
353 static int hevc_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
354 {
355  AVStream *st = s->streams[0];
356  if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
357  AV_RB24(pkt->data) != 0x000001)
358  return ff_stream_add_bitstream_filter(st, "hevc_mp4toannexb", NULL);
359  return 1;
360 }
361 
363  .name = "hevc",
364  .long_name = NULL_IF_CONFIG_SMALL("raw HEVC video"),
365  .extensions = "hevc,h265,265",
366  .audio_codec = AV_CODEC_ID_NONE,
367  .video_codec = AV_CODEC_ID_HEVC,
368  .init = force_one_stream,
369  .write_packet = ff_raw_write_packet,
370  .check_bitstream = hevc_check_bitstream,
371  .flags = AVFMT_NOTIMESTAMPS,
372 };
373 #endif
374 
375 #if CONFIG_M4V_MUXER
377  .name = "m4v",
378  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-4 video"),
379  .extensions = "m4v",
380  .audio_codec = AV_CODEC_ID_NONE,
381  .video_codec = AV_CODEC_ID_MPEG4,
382  .init = force_one_stream,
383  .write_packet = ff_raw_write_packet,
384  .flags = AVFMT_NOTIMESTAMPS,
385 };
386 #endif
387 
388 #if CONFIG_MJPEG_MUXER
390  .name = "mjpeg",
391  .long_name = NULL_IF_CONFIG_SMALL("raw MJPEG video"),
392  .mime_type = "video/x-mjpeg",
393  .extensions = "mjpg,mjpeg",
394  .audio_codec = AV_CODEC_ID_NONE,
395  .video_codec = AV_CODEC_ID_MJPEG,
396  .init = force_one_stream,
397  .write_packet = ff_raw_write_packet,
398  .flags = AVFMT_NOTIMESTAMPS,
399 };
400 #endif
401 
402 #if CONFIG_SINGLEJPEG_MUXER
404  .name = "singlejpeg",
405  .long_name = NULL_IF_CONFIG_SMALL("JPEG single image"),
406  .mime_type = "image/jpeg",
407  .audio_codec = AV_CODEC_ID_NONE,
408  .video_codec = AV_CODEC_ID_MJPEG,
409  .init = force_one_stream,
410  .write_packet = ff_raw_write_packet,
411  .flags = AVFMT_NOTIMESTAMPS,
412 };
413 #endif
414 
415 #if CONFIG_MLP_MUXER
417  .name = "mlp",
418  .long_name = NULL_IF_CONFIG_SMALL("raw MLP"),
419  .extensions = "mlp",
420  .audio_codec = AV_CODEC_ID_MLP,
421  .video_codec = AV_CODEC_ID_NONE,
422  .init = force_one_stream,
423  .write_packet = ff_raw_write_packet,
424  .flags = AVFMT_NOTIMESTAMPS,
425 };
426 #endif
427 
428 #if CONFIG_MP2_MUXER
430  .name = "mp2",
431  .long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
432  .mime_type = "audio/mpeg",
433  .extensions = "mp2,m2a,mpa",
434  .audio_codec = AV_CODEC_ID_MP2,
435  .video_codec = AV_CODEC_ID_NONE,
436  .write_packet = ff_raw_write_packet,
437  .flags = AVFMT_NOTIMESTAMPS,
438 };
439 #endif
440 
441 #if CONFIG_MPEG1VIDEO_MUXER
443  .name = "mpeg1video",
444  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-1 video"),
445  .mime_type = "video/mpeg",
446  .extensions = "mpg,mpeg,m1v",
447  .audio_codec = AV_CODEC_ID_NONE,
448  .video_codec = AV_CODEC_ID_MPEG1VIDEO,
449  .init = force_one_stream,
450  .write_packet = ff_raw_write_packet,
451  .flags = AVFMT_NOTIMESTAMPS,
452 };
453 #endif
454 
455 #if CONFIG_MPEG2VIDEO_MUXER
457  .name = "mpeg2video",
458  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-2 video"),
459  .extensions = "m2v",
460  .audio_codec = AV_CODEC_ID_NONE,
461  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
462  .init = force_one_stream,
463  .write_packet = ff_raw_write_packet,
464  .flags = AVFMT_NOTIMESTAMPS,
465 };
466 #endif
467 
468 #if CONFIG_RAWVIDEO_MUXER
470  .name = "rawvideo",
471  .long_name = NULL_IF_CONFIG_SMALL("raw video"),
472  .extensions = "yuv,rgb",
473  .audio_codec = AV_CODEC_ID_NONE,
474  .video_codec = AV_CODEC_ID_RAWVIDEO,
475  .write_packet = ff_raw_write_packet,
476  .flags = AVFMT_NOTIMESTAMPS,
477 };
478 #endif
479 
480 #if CONFIG_SBC_MUXER
482  .name = "sbc",
483  .long_name = NULL_IF_CONFIG_SMALL("raw SBC"),
484  .mime_type = "audio/x-sbc",
485  .extensions = "sbc,msbc",
486  .audio_codec = AV_CODEC_ID_SBC,
487  .init = force_one_stream,
488  .write_packet = ff_raw_write_packet,
489  .flags = AVFMT_NOTIMESTAMPS,
490 };
491 #endif
492 
493 #if CONFIG_TRUEHD_MUXER
495  .name = "truehd",
496  .long_name = NULL_IF_CONFIG_SMALL("raw TrueHD"),
497  .extensions = "thd",
498  .audio_codec = AV_CODEC_ID_TRUEHD,
499  .video_codec = AV_CODEC_ID_NONE,
500  .init = force_one_stream,
501  .write_packet = ff_raw_write_packet,
502  .flags = AVFMT_NOTIMESTAMPS,
503 };
504 #endif
505 
506 #if CONFIG_VC1_MUXER
508  .name = "vc1",
509  .long_name = NULL_IF_CONFIG_SMALL("raw VC-1 video"),
510  .extensions = "vc1",
511  .audio_codec = AV_CODEC_ID_NONE,
512  .video_codec = AV_CODEC_ID_VC1,
513  .init = force_one_stream,
514  .write_packet = ff_raw_write_packet,
515  .flags = AVFMT_NOTIMESTAMPS,
516 };
517 #endif
AVOutputFormat ff_h261_muxer
AVOutputFormat ff_dirac_muxer
AVOutputFormat ff_cavsvideo_muxer
AVOutputFormat ff_hevc_muxer
AVOutputFormat ff_g726_muxer
AVOutputFormat ff_dts_muxer
AVOutputFormat ff_mpeg2video_muxer
AVOutputFormat ff_singlejpeg_muxer
AVOutputFormat ff_rawvideo_muxer
AVOutputFormat ff_aptx_hd_muxer
AVOutputFormat ff_data_muxer
AVOutputFormat ff_avs2_muxer
AVOutputFormat ff_codec2raw_muxer
AVOutputFormat ff_g723_1_muxer
AVOutputFormat ff_h263_muxer
AVOutputFormat ff_g722_muxer
AVOutputFormat ff_mlp_muxer
AVOutputFormat ff_mjpeg_muxer
AVOutputFormat ff_aptx_muxer
AVOutputFormat ff_mpeg1video_muxer
AVOutputFormat ff_adx_muxer
AVOutputFormat ff_m4v_muxer
AVOutputFormat ff_eac3_muxer
AVOutputFormat ff_h264_muxer
AVOutputFormat ff_truehd_muxer
AVOutputFormat ff_gsm_muxer
AVOutputFormat ff_dnxhd_muxer
AVOutputFormat ff_vc1_muxer
AVOutputFormat ff_mp2_muxer
AVOutputFormat ff_ac3_muxer
AVOutputFormat ff_sbc_muxer
AVOutputFormat ff_g726le_muxer
Main libavformat public API header.
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:462
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:253
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:40
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:383
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:225
#define AV_RB24
Definition: intreadwrite.h:64
#define AV_RB32
Definition: intreadwrite.h:130
#define s(width, name)
Definition: cbs_vp9.c:257
#define NULL
Definition: coverity.c:32
@ AV_CODEC_ID_DIRAC
Definition: codec_id.h:165
@ AV_CODEC_ID_G723_1
Definition: codec_id.h:476
@ AV_CODEC_ID_H261
Definition: codec_id.h:52
@ AV_CODEC_ID_EAC3
Definition: codec_id.h:464
@ AV_CODEC_ID_RAWVIDEO
Definition: codec_id.h:62
@ AV_CODEC_ID_GSM
as in Berlin toast format
Definition: codec_id.h:442
@ AV_CODEC_ID_ADPCM_G722
Definition: codec_id.h:381
@ AV_CODEC_ID_H264
Definition: codec_id.h:76
@ AV_CODEC_ID_SBC
Definition: codec_id.h:512
@ AV_CODEC_ID_APTX
Definition: codec_id.h:510
@ AV_CODEC_ID_NONE
Definition: codec_id.h:47
@ AV_CODEC_ID_APTX_HD
Definition: codec_id.h:511
@ AV_CODEC_ID_ADPCM_G726LE
Definition: codec_id.h:389
@ AV_CODEC_ID_ADPCM_ADX
Definition: codec_id.h:362
@ AV_CODEC_ID_VC1
Definition: codec_id.h:119
@ AV_CODEC_ID_CAVS
Definition: codec_id.h:136
@ AV_CODEC_ID_CODEC2
Definition: codec_id.h:491
@ AV_CODEC_ID_MP2
Definition: codec_id.h:424
@ AV_CODEC_ID_DTS
Definition: codec_id.h:428
@ AV_CODEC_ID_HEVC
Definition: codec_id.h:223
@ AV_CODEC_ID_ADPCM_G726
Definition: codec_id.h:364
@ AV_CODEC_ID_TRUEHD
Definition: codec_id.h:468
@ AV_CODEC_ID_H263
Definition: codec_id.h:53
@ AV_CODEC_ID_AC3
Definition: codec_id.h:427
@ AV_CODEC_ID_DNXHD
Definition: codec_id.h:148
@ AV_CODEC_ID_MLP
Definition: codec_id.h:453
@ AV_CODEC_ID_MPEG4
Definition: codec_id.h:61
@ AV_CODEC_ID_MJPEG
Definition: codec_id.h:56
@ AV_CODEC_ID_AVS2
Definition: codec_id.h:243
@ AV_CODEC_ID_MPEG1VIDEO
Definition: codec_id.h:50
@ AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
#define AVERROR(e)
Definition: error.h:43
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
@ AVMEDIA_TYPE_AUDIO
Definition: avutil.h:202
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
int ff_stream_add_bitstream_filter(AVStream *st, const char *name, const char *args)
Add a bitstream filter to a stream.
Definition: utils.c:5576
int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: rawenc.c:29
static int force_one_stream(AVFormatContext *s)
Definition: rawenc.c:35
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
This struct describes the properties of an encoded stream.
Definition: codec_par.h:52
int channels
Audio only.
Definition: codec_par.h:166
Format I/O context.
Definition: avformat.h:1232
Bytestream IO Context.
Definition: avio.h:161
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:260
const char * name
Definition: avformat.h:491
This structure stores compressed data.
Definition: packet.h:346
int size
Definition: packet.h:370
uint8_t * data
Definition: packet.h:369
Stream structure.
Definition: avformat.h:873
#define av_log(a,...)
AVPacket * pkt
Definition: movenc.c:59
if(ret< 0)
Definition: vf_mcdeint.c:282