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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 "config_components.h"
24 
25 #include "libavutil/intreadwrite.h"
26 
27 #include "avformat.h"
28 #include "rawenc.h"
29 #include "mux.h"
30 
ff_raw_write_packet(AVFormatContext * s,AVPacket * pkt)31 int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
32 {
33     avio_write(s->pb, pkt->data, pkt->size);
34     return 0;
35 }
36 
force_one_stream(AVFormatContext * s)37 static int force_one_stream(AVFormatContext *s)
38 {
39     if (s->nb_streams != 1) {
40         av_log(s, AV_LOG_ERROR, "%s files have exactly one stream\n",
41                s->oformat->name);
42         return AVERROR(EINVAL);
43     }
44     if (   s->oformat->audio_codec != AV_CODEC_ID_NONE
45         && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
46         av_log(s, AV_LOG_ERROR, "%s files have exactly one audio stream\n",
47                s->oformat->name);
48         return AVERROR(EINVAL);
49     }
50     if (   s->oformat->video_codec != AV_CODEC_ID_NONE
51         && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_VIDEO) {
52         av_log(s, AV_LOG_ERROR, "%s files have exactly one video stream\n",
53                s->oformat->name);
54         return AVERROR(EINVAL);
55     }
56     return 0;
57 }
58 
59 /* Note: Do not forget to add new entries to the Makefile as well. */
60 
61 #if CONFIG_AC3_MUXER
62 const AVOutputFormat ff_ac3_muxer = {
63     .name              = "ac3",
64     .long_name         = NULL_IF_CONFIG_SMALL("raw AC-3"),
65     .mime_type         = "audio/x-ac3",
66     .extensions        = "ac3",
67     .audio_codec       = AV_CODEC_ID_AC3,
68     .video_codec       = AV_CODEC_ID_NONE,
69     .init              = force_one_stream,
70     .write_packet      = ff_raw_write_packet,
71     .flags             = AVFMT_NOTIMESTAMPS,
72 };
73 #endif
74 
75 #if CONFIG_ADX_MUXER
76 
adx_write_trailer(AVFormatContext * s)77 static int adx_write_trailer(AVFormatContext *s)
78 {
79     AVIOContext *pb = s->pb;
80     AVCodecParameters *par = s->streams[0]->codecpar;
81 
82     if (pb->seekable & AVIO_SEEKABLE_NORMAL) {
83         int64_t file_size = avio_tell(pb);
84         uint64_t sample_count = (file_size - 36) / par->ch_layout.nb_channels / 18 * 32;
85         if (sample_count <= UINT32_MAX) {
86             avio_seek(pb, 12, SEEK_SET);
87             avio_wb32(pb, sample_count);
88             avio_seek(pb, file_size, SEEK_SET);
89         }
90     }
91 
92     return 0;
93 }
94 
95 const AVOutputFormat ff_adx_muxer = {
96     .name              = "adx",
97     .long_name         = NULL_IF_CONFIG_SMALL("CRI ADX"),
98     .extensions        = "adx",
99     .audio_codec       = AV_CODEC_ID_ADPCM_ADX,
100     .video_codec       = AV_CODEC_ID_NONE,
101     .init              = force_one_stream,
102     .write_packet      = ff_raw_write_packet,
103     .write_trailer     = adx_write_trailer,
104     .flags             = AVFMT_NOTIMESTAMPS,
105 };
106 #endif
107 
108 #if CONFIG_APTX_MUXER
109 const AVOutputFormat ff_aptx_muxer = {
110     .name              = "aptx",
111     .long_name         = NULL_IF_CONFIG_SMALL("raw aptX (Audio Processing Technology for Bluetooth)"),
112     .extensions        = "aptx",
113     .audio_codec       = AV_CODEC_ID_APTX,
114     .video_codec       = AV_CODEC_ID_NONE,
115     .init              = force_one_stream,
116     .write_packet      = ff_raw_write_packet,
117     .flags             = AVFMT_NOTIMESTAMPS,
118 };
119 #endif
120 
121 #if CONFIG_APTX_HD_MUXER
122 const AVOutputFormat ff_aptx_hd_muxer = {
123     .name              = "aptx_hd",
124     .long_name         = NULL_IF_CONFIG_SMALL("raw aptX HD (Audio Processing Technology for Bluetooth)"),
125     .extensions        = "aptxhd",
126     .audio_codec       = AV_CODEC_ID_APTX_HD,
127     .video_codec       = AV_CODEC_ID_NONE,
128     .init              = force_one_stream,
129     .write_packet      = ff_raw_write_packet,
130     .flags             = AVFMT_NOTIMESTAMPS,
131 };
132 #endif
133 
134 #if CONFIG_AV3A_MUXER
135 const AVOutputFormat ff_av3a_muxer = {
136     .name              = "av3a",
137     .long_name         = NULL_IF_CONFIG_SMALL("Audio Vivid"),
138     .mime_type         = "audio/av3a",
139     .extensions        = "av3a",
140     .audio_codec       = AV_CODEC_ID_AVS3DA,
141     .video_codec       = AV_CODEC_ID_NONE,
142     .init              = force_one_stream,
143     .write_packet      = ff_raw_write_packet,
144     .flags             = AVFMT_NOTIMESTAMPS,
145 };
146 #endif
147 
148 #if CONFIG_AVS2_MUXER
149 const AVOutputFormat ff_avs2_muxer = {
150     .name              = "avs2",
151     .long_name         = NULL_IF_CONFIG_SMALL("raw AVS2-P2/IEEE1857.4 video"),
152     .extensions        = "avs,avs2",
153     .audio_codec       = AV_CODEC_ID_NONE,
154     .video_codec       = AV_CODEC_ID_AVS2,
155     .init              = force_one_stream,
156     .write_packet      = ff_raw_write_packet,
157     .flags             = AVFMT_NOTIMESTAMPS,
158 };
159 #endif
160 
161 #if CONFIG_AVS3_MUXER
162 const AVOutputFormat ff_avs3_muxer = {
163     .name              = "avs3",
164     .long_name         = NULL_IF_CONFIG_SMALL("AVS3-P2/IEEE1857.10"),
165     .extensions        = "avs3",
166     .audio_codec       = AV_CODEC_ID_NONE,
167     .video_codec       = AV_CODEC_ID_AVS3,
168     .init              = force_one_stream,
169     .write_packet      = ff_raw_write_packet,
170     .flags             = AVFMT_NOTIMESTAMPS,
171 };
172 #endif
173 
174 
175 #if CONFIG_CAVSVIDEO_MUXER
176 const AVOutputFormat ff_cavsvideo_muxer = {
177     .name              = "cavsvideo",
178     .long_name         = NULL_IF_CONFIG_SMALL("raw Chinese AVS (Audio Video Standard) video"),
179     .extensions        = "cavs",
180     .audio_codec       = AV_CODEC_ID_NONE,
181     .video_codec       = AV_CODEC_ID_CAVS,
182     .init              = force_one_stream,
183     .write_packet      = ff_raw_write_packet,
184     .flags             = AVFMT_NOTIMESTAMPS,
185 };
186 #endif
187 
188 #if CONFIG_CODEC2RAW_MUXER
189 const AVOutputFormat ff_codec2raw_muxer = {
190     .name              = "codec2raw",
191     .long_name         = NULL_IF_CONFIG_SMALL("raw codec2 muxer"),
192     .audio_codec       = AV_CODEC_ID_CODEC2,
193     .video_codec       = AV_CODEC_ID_NONE,
194     .init              = force_one_stream,
195     .write_packet      = ff_raw_write_packet,
196     .flags             = AVFMT_NOTIMESTAMPS,
197 };
198 #endif
199 
200 
201 #if CONFIG_DATA_MUXER
202 const AVOutputFormat ff_data_muxer = {
203     .name              = "data",
204     .long_name         = NULL_IF_CONFIG_SMALL("raw data"),
205     .init              = force_one_stream,
206     .write_packet      = ff_raw_write_packet,
207     .flags             = AVFMT_NOTIMESTAMPS,
208 };
209 #endif
210 
211 #if CONFIG_DFPWM_MUXER
212 const AVOutputFormat ff_dfpwm_muxer = {
213     .name              = "dfpwm",
214     .long_name         = NULL_IF_CONFIG_SMALL("raw DFPWM1a"),
215     .extensions        = "dfpwm",
216     .audio_codec       = AV_CODEC_ID_DFPWM,
217     .video_codec       = AV_CODEC_ID_NONE,
218     .init              = force_one_stream,
219     .write_packet      = ff_raw_write_packet,
220     .flags             = AVFMT_NOTIMESTAMPS,
221 };
222 #endif
223 
224 #if CONFIG_DIRAC_MUXER
225 const AVOutputFormat ff_dirac_muxer = {
226     .name              = "dirac",
227     .long_name         = NULL_IF_CONFIG_SMALL("raw Dirac"),
228     .extensions        = "drc,vc2",
229     .audio_codec       = AV_CODEC_ID_NONE,
230     .video_codec       = AV_CODEC_ID_DIRAC,
231     .init              = force_one_stream,
232     .write_packet      = ff_raw_write_packet,
233     .flags             = AVFMT_NOTIMESTAMPS,
234 };
235 #endif
236 
237 #if CONFIG_DNXHD_MUXER
238 const AVOutputFormat ff_dnxhd_muxer = {
239     .name              = "dnxhd",
240     .long_name         = NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
241     .extensions        = "dnxhd,dnxhr",
242     .audio_codec       = AV_CODEC_ID_NONE,
243     .video_codec       = AV_CODEC_ID_DNXHD,
244     .init              = force_one_stream,
245     .write_packet      = ff_raw_write_packet,
246     .flags             = AVFMT_NOTIMESTAMPS,
247 };
248 #endif
249 
250 #if CONFIG_DTS_MUXER
251 const AVOutputFormat ff_dts_muxer = {
252     .name              = "dts",
253     .long_name         = NULL_IF_CONFIG_SMALL("raw DTS"),
254     .mime_type         = "audio/x-dca",
255     .extensions        = "dts",
256     .audio_codec       = AV_CODEC_ID_DTS,
257     .video_codec       = AV_CODEC_ID_NONE,
258     .init              = force_one_stream,
259     .write_packet      = ff_raw_write_packet,
260     .flags             = AVFMT_NOTIMESTAMPS,
261 };
262 #endif
263 
264 #if CONFIG_EAC3_MUXER
265 const AVOutputFormat ff_eac3_muxer = {
266     .name              = "eac3",
267     .long_name         = NULL_IF_CONFIG_SMALL("raw E-AC-3"),
268     .mime_type         = "audio/x-eac3",
269     .extensions        = "eac3",
270     .audio_codec       = AV_CODEC_ID_EAC3,
271     .video_codec       = AV_CODEC_ID_NONE,
272     .init              = force_one_stream,
273     .write_packet      = ff_raw_write_packet,
274     .flags             = AVFMT_NOTIMESTAMPS,
275 };
276 #endif
277 
278 #if CONFIG_G722_MUXER
279 const AVOutputFormat ff_g722_muxer = {
280     .name              = "g722",
281     .long_name         = NULL_IF_CONFIG_SMALL("raw G.722"),
282     .mime_type         = "audio/G722",
283     .extensions        = "g722",
284     .audio_codec       = AV_CODEC_ID_ADPCM_G722,
285     .video_codec       = AV_CODEC_ID_NONE,
286     .init              = force_one_stream,
287     .write_packet      = ff_raw_write_packet,
288     .flags             = AVFMT_NOTIMESTAMPS,
289 };
290 #endif
291 
292 #if CONFIG_G723_1_MUXER
293 const AVOutputFormat ff_g723_1_muxer = {
294     .name              = "g723_1",
295     .long_name         = NULL_IF_CONFIG_SMALL("raw G.723.1"),
296     .mime_type         = "audio/g723",
297     .extensions        = "tco,rco",
298     .audio_codec       = AV_CODEC_ID_G723_1,
299     .video_codec       = AV_CODEC_ID_NONE,
300     .init              = force_one_stream,
301     .write_packet      = ff_raw_write_packet,
302     .flags             = AVFMT_NOTIMESTAMPS,
303 };
304 #endif
305 
306 #if CONFIG_G726_MUXER
307 const AVOutputFormat ff_g726_muxer = {
308     .name              = "g726",
309     .long_name         = NULL_IF_CONFIG_SMALL("raw big-endian G.726 (\"left-justified\")"),
310     .audio_codec       = AV_CODEC_ID_ADPCM_G726,
311     .video_codec       = AV_CODEC_ID_NONE,
312     .init              = force_one_stream,
313     .write_packet      = ff_raw_write_packet,
314     .flags             = AVFMT_NOTIMESTAMPS,
315 };
316 #endif
317 
318 #if CONFIG_G726LE_MUXER
319 const AVOutputFormat ff_g726le_muxer = {
320     .name              = "g726le",
321     .long_name         = NULL_IF_CONFIG_SMALL("raw little-endian G.726 (\"right-justified\")"),
322     .audio_codec       = AV_CODEC_ID_ADPCM_G726LE,
323     .video_codec       = AV_CODEC_ID_NONE,
324     .init              = force_one_stream,
325     .write_packet      = ff_raw_write_packet,
326     .flags             = AVFMT_NOTIMESTAMPS,
327 };
328 #endif
329 
330 #if CONFIG_GSM_MUXER
331 const AVOutputFormat ff_gsm_muxer = {
332     .name              = "gsm",
333     .long_name         = NULL_IF_CONFIG_SMALL("raw GSM"),
334     .mime_type         = "audio/x-gsm",
335     .extensions        = "gsm",
336     .audio_codec       = AV_CODEC_ID_GSM,
337     .video_codec       = AV_CODEC_ID_NONE,
338     .init              = force_one_stream,
339     .write_packet      = ff_raw_write_packet,
340     .flags             = AVFMT_NOTIMESTAMPS,
341 };
342 #endif
343 
344 #if CONFIG_H261_MUXER
345 const AVOutputFormat ff_h261_muxer = {
346     .name              = "h261",
347     .long_name         = NULL_IF_CONFIG_SMALL("raw H.261"),
348     .mime_type         = "video/x-h261",
349     .extensions        = "h261",
350     .audio_codec       = AV_CODEC_ID_NONE,
351     .video_codec       = AV_CODEC_ID_H261,
352     .init              = force_one_stream,
353     .write_packet      = ff_raw_write_packet,
354     .flags             = AVFMT_NOTIMESTAMPS,
355 };
356 #endif
357 
358 #if CONFIG_H263_MUXER
359 const AVOutputFormat ff_h263_muxer = {
360     .name              = "h263",
361     .long_name         = NULL_IF_CONFIG_SMALL("raw H.263"),
362     .mime_type         = "video/x-h263",
363     .extensions        = "h263",
364     .audio_codec       = AV_CODEC_ID_NONE,
365     .video_codec       = AV_CODEC_ID_H263,
366     .init              = force_one_stream,
367     .write_packet      = ff_raw_write_packet,
368     .flags             = AVFMT_NOTIMESTAMPS,
369 };
370 #endif
371 
372 #if CONFIG_H264_MUXER
h264_check_bitstream(AVFormatContext * s,AVStream * st,const AVPacket * pkt)373 static int h264_check_bitstream(AVFormatContext *s, AVStream *st,
374                                 const AVPacket *pkt)
375 {
376     if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
377                           AV_RB24(pkt->data) != 0x000001)
378         return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
379     return 1;
380 }
381 
382 const AVOutputFormat ff_h264_muxer = {
383     .name              = "h264",
384     .long_name         = NULL_IF_CONFIG_SMALL("raw H.264 video"),
385     .extensions        = "h264,264",
386     .audio_codec       = AV_CODEC_ID_NONE,
387     .video_codec       = AV_CODEC_ID_H264,
388     .init              = force_one_stream,
389     .write_packet      = ff_raw_write_packet,
390     .check_bitstream   = h264_check_bitstream,
391     .flags             = AVFMT_NOTIMESTAMPS,
392 };
393 #endif
394 
395 #if CONFIG_HEVC_MUXER
hevc_check_bitstream(AVFormatContext * s,AVStream * st,const AVPacket * pkt)396 static int hevc_check_bitstream(AVFormatContext *s, AVStream *st,
397                                 const AVPacket *pkt)
398 {
399     if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
400                           AV_RB24(pkt->data) != 0x000001)
401         return ff_stream_add_bitstream_filter(st, "hevc_mp4toannexb", NULL);
402     return 1;
403 }
404 
405 const AVOutputFormat ff_hevc_muxer = {
406     .name              = "hevc",
407     .long_name         = NULL_IF_CONFIG_SMALL("raw HEVC video"),
408     .extensions        = "hevc,h265,265",
409     .audio_codec       = AV_CODEC_ID_NONE,
410     .video_codec       = AV_CODEC_ID_HEVC,
411     .init              = force_one_stream,
412     .write_packet      = ff_raw_write_packet,
413     .check_bitstream   = hevc_check_bitstream,
414     .flags             = AVFMT_NOTIMESTAMPS,
415 };
416 #endif
417 
418 #if CONFIG_M4V_MUXER
419 const AVOutputFormat ff_m4v_muxer = {
420     .name              = "m4v",
421     .long_name         = NULL_IF_CONFIG_SMALL("raw MPEG-4 video"),
422     .extensions        = "m4v",
423     .audio_codec       = AV_CODEC_ID_NONE,
424     .video_codec       = AV_CODEC_ID_MPEG4,
425     .init              = force_one_stream,
426     .write_packet      = ff_raw_write_packet,
427     .flags             = AVFMT_NOTIMESTAMPS,
428 };
429 #endif
430 
431 #if CONFIG_MJPEG_MUXER
432 const AVOutputFormat ff_mjpeg_muxer = {
433     .name              = "mjpeg",
434     .long_name         = NULL_IF_CONFIG_SMALL("raw MJPEG video"),
435     .mime_type         = "video/x-mjpeg",
436     .extensions        = "mjpg,mjpeg",
437     .audio_codec       = AV_CODEC_ID_NONE,
438     .video_codec       = AV_CODEC_ID_MJPEG,
439     .init              = force_one_stream,
440     .write_packet      = ff_raw_write_packet,
441     .flags             = AVFMT_NOTIMESTAMPS,
442 };
443 #endif
444 
445 #if CONFIG_MLP_MUXER
446 const AVOutputFormat ff_mlp_muxer = {
447     .name              = "mlp",
448     .long_name         = NULL_IF_CONFIG_SMALL("raw MLP"),
449     .extensions        = "mlp",
450     .audio_codec       = AV_CODEC_ID_MLP,
451     .video_codec       = AV_CODEC_ID_NONE,
452     .init              = force_one_stream,
453     .write_packet      = ff_raw_write_packet,
454     .flags             = AVFMT_NOTIMESTAMPS,
455 };
456 #endif
457 
458 #if CONFIG_MP2_MUXER
459 const AVOutputFormat ff_mp2_muxer = {
460     .name              = "mp2",
461     .long_name         = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
462     .mime_type         = "audio/mpeg",
463     .extensions        = "mp2,m2a,mpa",
464     .audio_codec       = AV_CODEC_ID_MP2,
465     .video_codec       = AV_CODEC_ID_NONE,
466     .init              = force_one_stream,
467     .write_packet      = ff_raw_write_packet,
468     .flags             = AVFMT_NOTIMESTAMPS,
469 };
470 #endif
471 
472 #if CONFIG_MPEG1VIDEO_MUXER
473 const AVOutputFormat ff_mpeg1video_muxer = {
474     .name              = "mpeg1video",
475     .long_name         = NULL_IF_CONFIG_SMALL("raw MPEG-1 video"),
476     .mime_type         = "video/mpeg",
477     .extensions        = "mpg,mpeg,m1v",
478     .audio_codec       = AV_CODEC_ID_NONE,
479     .video_codec       = AV_CODEC_ID_MPEG1VIDEO,
480     .init              = force_one_stream,
481     .write_packet      = ff_raw_write_packet,
482     .flags             = AVFMT_NOTIMESTAMPS,
483 };
484 #endif
485 
486 #if CONFIG_MPEG2VIDEO_MUXER
487 const AVOutputFormat ff_mpeg2video_muxer = {
488     .name              = "mpeg2video",
489     .long_name         = NULL_IF_CONFIG_SMALL("raw MPEG-2 video"),
490     .extensions        = "m2v",
491     .audio_codec       = AV_CODEC_ID_NONE,
492     .video_codec       = AV_CODEC_ID_MPEG2VIDEO,
493     .init              = force_one_stream,
494     .write_packet      = ff_raw_write_packet,
495     .flags             = AVFMT_NOTIMESTAMPS,
496 };
497 #endif
498 
499 #if CONFIG_OBU_MUXER
obu_check_bitstream(AVFormatContext * s,AVStream * st,const AVPacket * pkt)500 static int obu_check_bitstream(AVFormatContext *s, AVStream *st,
501                                const AVPacket *pkt)
502 {
503     return ff_stream_add_bitstream_filter(st, "av1_metadata", "td=insert");
504 }
505 
506 const AVOutputFormat ff_obu_muxer = {
507     .name              = "obu",
508     .long_name         = NULL_IF_CONFIG_SMALL("AV1 low overhead OBU"),
509     .extensions        = "obu",
510     .audio_codec       = AV_CODEC_ID_NONE,
511     .video_codec       = AV_CODEC_ID_AV1,
512     .init              = force_one_stream,
513     .write_packet      = ff_raw_write_packet,
514     .check_bitstream   = obu_check_bitstream,
515     .flags             = AVFMT_NOTIMESTAMPS,
516 };
517 #endif
518 
519 #if CONFIG_RAWVIDEO_MUXER
520 const AVOutputFormat ff_rawvideo_muxer = {
521     .name              = "rawvideo",
522     .long_name         = NULL_IF_CONFIG_SMALL("raw video"),
523     .extensions        = "yuv,rgb",
524     .audio_codec       = AV_CODEC_ID_NONE,
525     .video_codec       = AV_CODEC_ID_RAWVIDEO,
526     .write_packet      = ff_raw_write_packet,
527     .flags             = AVFMT_NOTIMESTAMPS,
528 };
529 #endif
530 
531 #if CONFIG_SBC_MUXER
532 const AVOutputFormat ff_sbc_muxer = {
533     .name              = "sbc",
534     .long_name         = NULL_IF_CONFIG_SMALL("raw SBC"),
535     .mime_type         = "audio/x-sbc",
536     .extensions        = "sbc,msbc",
537     .audio_codec       = AV_CODEC_ID_SBC,
538     .init              = force_one_stream,
539     .write_packet      = ff_raw_write_packet,
540     .flags             = AVFMT_NOTIMESTAMPS,
541 };
542 #endif
543 
544 #if CONFIG_TRUEHD_MUXER
545 const AVOutputFormat ff_truehd_muxer = {
546     .name              = "truehd",
547     .long_name         = NULL_IF_CONFIG_SMALL("raw TrueHD"),
548     .extensions        = "thd",
549     .audio_codec       = AV_CODEC_ID_TRUEHD,
550     .video_codec       = AV_CODEC_ID_NONE,
551     .init              = force_one_stream,
552     .write_packet      = ff_raw_write_packet,
553     .flags             = AVFMT_NOTIMESTAMPS,
554 };
555 #endif
556 
557 #if CONFIG_VC1_MUXER
558 const AVOutputFormat ff_vc1_muxer = {
559     .name              = "vc1",
560     .long_name         = NULL_IF_CONFIG_SMALL("raw VC-1 video"),
561     .extensions        = "vc1",
562     .audio_codec       = AV_CODEC_ID_NONE,
563     .video_codec       = AV_CODEC_ID_VC1,
564     .init              = force_one_stream,
565     .write_packet      = ff_raw_write_packet,
566     .flags             = AVFMT_NOTIMESTAMPS,
567 };
568 #endif
569