4261a6c9d1fa40ec6fd3f446adccefd79f688ff1
[ffmpeg.git] / libavformat / raw.c
1 /*
2  * RAW muxer and demuxer
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/crc.h"
24 #include "libavcodec/ac3_parser.h"
25 #include "libavcodec/get_bits.h"
26 #include "libavcodec/bytestream.h"
27 #include "avformat.h"
28 #include "raw.h"
29 #include "id3v2.h"
30 #include "id3v1.h"
31
32 /* simple formats */
33
34 #if CONFIG_NULL_MUXER
35 static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
36 {
37     return 0;
38 }
39 #endif
40
41 #if CONFIG_MUXERS
42 int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
43 {
44     put_buffer(s->pb, pkt->data, pkt->size);
45     put_flush_packet(s->pb);
46     return 0;
47 }
48 #endif
49
50 #if CONFIG_DEMUXERS
51 /* raw input */
52 static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
53 {
54     AVStream *st;
55     enum CodecID id;
56
57     st = av_new_stream(s, 0);
58     if (!st)
59         return AVERROR(ENOMEM);
60
61         id = s->iformat->value;
62         if (id == CODEC_ID_RAWVIDEO) {
63             st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
64         } else {
65             st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
66         }
67         st->codec->codec_id = id;
68
69         switch(st->codec->codec_type) {
70         case AVMEDIA_TYPE_AUDIO:
71             st->codec->sample_rate = ap->sample_rate;
72             if(ap->channels) st->codec->channels = ap->channels;
73             else             st->codec->channels = 1;
74             st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id);
75             assert(st->codec->bits_per_coded_sample > 0);
76             st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8;
77             av_set_pts_info(st, 64, 1, st->codec->sample_rate);
78             break;
79         case AVMEDIA_TYPE_VIDEO:
80             if(ap->time_base.num)
81                 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
82             else
83                 av_set_pts_info(st, 64, 1, 25);
84             st->codec->width = ap->width;
85             st->codec->height = ap->height;
86             st->codec->pix_fmt = ap->pix_fmt;
87             if(st->codec->pix_fmt == PIX_FMT_NONE)
88                 st->codec->pix_fmt= PIX_FMT_YUV420P;
89             break;
90         default:
91             return -1;
92         }
93     return 0;
94 }
95
96 #define RAW_PACKET_SIZE 1024
97 #define RAW_SAMPLES     1024
98
99 static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
100 {
101     int ret, size, bps;
102     //    AVStream *st = s->streams[0];
103
104     size= RAW_SAMPLES*s->streams[0]->codec->block_align;
105
106     ret= av_get_packet(s->pb, pkt, size);
107
108     pkt->stream_index = 0;
109     if (ret < 0)
110         return ret;
111
112     bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
113     assert(bps); // if false there IS a bug elsewhere (NOT in this function)
114     pkt->dts=
115     pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
116
117     return ret;
118 }
119
120 int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
121 {
122     int ret, size;
123
124     size = RAW_PACKET_SIZE;
125
126     if (av_new_packet(pkt, size) < 0)
127         return AVERROR(ENOMEM);
128
129     pkt->pos= url_ftell(s->pb);
130     pkt->stream_index = 0;
131     ret = get_partial_buffer(s->pb, pkt->data, size);
132     if (ret < 0) {
133         av_free_packet(pkt);
134         return ret;
135     }
136     pkt->size = ret;
137     return ret;
138 }
139 #endif
140
141 #if CONFIG_RAWVIDEO_DEMUXER
142 static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
143 {
144     int packet_size, ret, width, height;
145     AVStream *st = s->streams[0];
146
147     width = st->codec->width;
148     height = st->codec->height;
149
150     packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
151     if (packet_size < 0)
152         return -1;
153
154     ret= av_get_packet(s->pb, pkt, packet_size);
155     pkt->pts=
156     pkt->dts= pkt->pos / packet_size;
157
158     pkt->stream_index = 0;
159     if (ret < 0)
160         return ret;
161     return 0;
162 }
163 #endif
164
165 #if CONFIG_DEMUXERS
166 int pcm_read_seek(AVFormatContext *s,
167                   int stream_index, int64_t timestamp, int flags)
168 {
169     AVStream *st;
170     int block_align, byte_rate;
171     int64_t pos, ret;
172
173     st = s->streams[0];
174
175     block_align = st->codec->block_align ? st->codec->block_align :
176         (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
177     byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 :
178         block_align * st->codec->sample_rate;
179
180     if (block_align <= 0 || byte_rate <= 0)
181         return -1;
182     if (timestamp < 0) timestamp = 0;
183
184     /* compute the position by aligning it to block_align */
185     pos = av_rescale_rnd(timestamp * byte_rate,
186                          st->time_base.num,
187                          st->time_base.den * (int64_t)block_align,
188                          (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
189     pos *= block_align;
190
191     /* recompute exact position */
192     st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
193     if ((ret = url_fseek(s->pb, pos + s->data_offset, SEEK_SET)) < 0)
194         return ret;
195     return 0;
196 }
197
198 int ff_raw_audio_read_header(AVFormatContext *s,
199                              AVFormatParameters *ap)
200 {
201     AVStream *st = av_new_stream(s, 0);
202     if (!st)
203         return AVERROR(ENOMEM);
204     st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
205     st->codec->codec_id = s->iformat->value;
206     st->need_parsing = AVSTREAM_PARSE_FULL;
207     /* the parameters will be extracted from the compressed bitstream */
208
209     return 0;
210 }
211
212 /* MPEG-1/H.263 input */
213 int ff_raw_video_read_header(AVFormatContext *s,
214                              AVFormatParameters *ap)
215 {
216     AVStream *st;
217
218     st = av_new_stream(s, 0);
219     if (!st)
220         return AVERROR(ENOMEM);
221
222     st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
223     st->codec->codec_id = s->iformat->value;
224     st->need_parsing = AVSTREAM_PARSE_FULL;
225
226     /* for MJPEG, specify frame rate */
227     /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/
228     if (ap->time_base.num) {
229         st->codec->time_base= ap->time_base;
230     } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
231                 st->codec->codec_id == CODEC_ID_MPEG4 ||
232                 st->codec->codec_id == CODEC_ID_DIRAC ||
233                 st->codec->codec_id == CODEC_ID_DNXHD ||
234                 st->codec->codec_id == CODEC_ID_VC1   ||
235                 st->codec->codec_id == CODEC_ID_H264) {
236         st->codec->time_base= (AVRational){1,25};
237     }
238     av_set_pts_info(st, 64, 1, 1200000);
239
240     return 0;
241 }
242 #endif
243
244 #if CONFIG_H263_DEMUXER
245 static int h263_probe(AVProbeData *p)
246 {
247     uint64_t code= -1;
248     int i;
249     int valid_psc=0;
250     int invalid_psc=0;
251     int res_change=0;
252     int src_fmt, last_src_fmt=-1;
253     int last_gn=0;
254
255     for(i=0; i<p->buf_size; i++){
256         code = (code<<8) + p->buf[i];
257         if ((code & 0xfffffc0000) == 0x800000) {
258             src_fmt= (code>>2)&3;
259             if(   src_fmt != last_src_fmt
260                && last_src_fmt>0 && last_src_fmt<6
261                && src_fmt<6)
262                 res_change++;
263
264             if((code&0x300)==0x200 && src_fmt){
265                 valid_psc++;
266                 last_gn=0;
267             }else
268                 invalid_psc++;
269             last_src_fmt= src_fmt;
270         } else if((code & 0xffff800000) == 0x800000) {
271             int gn= (code>>(23-5)) & 0x1F;
272             if(gn<last_gn){
273                 invalid_psc++;
274             }else
275                 last_gn= gn;
276         }
277     }
278 //av_log(NULL, AV_LOG_ERROR, "h263_probe: psc:%d invalid:%d res_change:%d\n", valid_psc, invalid_psc, res_change);
279 //h263_probe: psc:3 invalid:0 res_change:0 (1588/recent_ffmpeg_parses_mpg_incorrectly.mpg)
280     if(valid_psc > 2*invalid_psc + 2*res_change + 3){
281         return 50;
282     }else if(valid_psc > 2*invalid_psc)
283         return 25;
284     return 0;
285 }
286 #endif
287
288 #if CONFIG_H261_DEMUXER
289 static int h261_probe(AVProbeData *p)
290 {
291     uint32_t code= -1;
292     int i;
293     int valid_psc=0;
294     int invalid_psc=0;
295     int next_gn=0;
296     int src_fmt=0;
297     GetBitContext gb;
298
299     init_get_bits(&gb, p->buf, p->buf_size*8);
300
301     for(i=0; i<p->buf_size*8; i++){
302         if ((code & 0x01ff0000) || !(code & 0xff00)) {
303             code = (code<<8) + get_bits(&gb, 8);
304             i += 7;
305         } else
306             code = (code<<1) + get_bits1(&gb);
307         if ((code & 0xffff0000) == 0x10000) {
308             int gn= (code>>12)&0xf;
309             if(!gn)
310                 src_fmt= code&8;
311             if(gn != next_gn) invalid_psc++;
312             else              valid_psc++;
313
314             if(src_fmt){ // CIF
315                 next_gn= (gn+1     )%13;
316             }else{       //QCIF
317                 next_gn= (gn+1+!!gn)% 7;
318             }
319         }
320     }
321     if(valid_psc > 2*invalid_psc + 6){
322         return 50;
323     }else if(valid_psc > 2*invalid_psc + 2)
324         return 25;
325     return 0;
326 }
327 #endif
328
329 #if CONFIG_DIRAC_DEMUXER
330 static int dirac_probe(AVProbeData *p)
331 {
332     if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
333         return AVPROBE_SCORE_MAX;
334     else
335         return 0;
336 }
337 #endif
338
339 #if CONFIG_DNXHD_DEMUXER
340 static int dnxhd_probe(AVProbeData *p)
341 {
342     static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
343     int w, h, compression_id;
344     if (p->buf_size < 0x2c)
345         return 0;
346     if (memcmp(p->buf, header, 5))
347         return 0;
348     h = AV_RB16(p->buf + 0x18);
349     w = AV_RB16(p->buf + 0x1a);
350     if (!w || !h)
351         return 0;
352     compression_id = AV_RB32(p->buf + 0x28);
353     if (compression_id < 1237 || compression_id > 1253)
354         return 0;
355     return AVPROBE_SCORE_MAX;
356 }
357 #endif
358
359 #if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER
360 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
361 {
362     int max_frames, first_frames = 0, frames;
363     uint8_t *buf, *buf2, *end;
364     AC3HeaderInfo hdr;
365     GetBitContext gbc;
366     enum CodecID codec_id = CODEC_ID_AC3;
367
368     max_frames = 0;
369     buf = p->buf;
370     end = buf + p->buf_size;
371
372     for(; buf < end; buf++) {
373         buf2 = buf;
374
375         for(frames = 0; buf2 < end; frames++) {
376             init_get_bits(&gbc, buf2, 54);
377             if(ff_ac3_parse_header(&gbc, &hdr) < 0)
378                 break;
379             if(buf2 + hdr.frame_size > end ||
380                av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
381                 break;
382             if (hdr.bitstream_id > 10)
383                 codec_id = CODEC_ID_EAC3;
384             buf2 += hdr.frame_size;
385         }
386         max_frames = FFMAX(max_frames, frames);
387         if(buf == p->buf)
388             first_frames = frames;
389     }
390     if(codec_id != expected_codec_id) return 0;
391     // keep this in sync with mp3 probe, both need to avoid
392     // issues with MPEG-files!
393     if   (first_frames>=4) return AVPROBE_SCORE_MAX/2+1;
394     else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
395     else if(max_frames>=4) return AVPROBE_SCORE_MAX/4;
396     else if(max_frames>=1) return 1;
397     else                   return 0;
398 }
399 #endif
400
401 #if CONFIG_AC3_DEMUXER
402 static int ac3_probe(AVProbeData *p)
403 {
404     return ac3_eac3_probe(p, CODEC_ID_AC3);
405 }
406 #endif
407
408 #if CONFIG_EAC3_DEMUXER
409 static int eac3_probe(AVProbeData *p)
410 {
411     return ac3_eac3_probe(p, CODEC_ID_EAC3);
412 }
413 #endif
414
415 /* Note: Do not forget to add new entries to the Makefile as well. */
416
417 #if CONFIG_AC3_DEMUXER
418 AVInputFormat ac3_demuxer = {
419     "ac3",
420     NULL_IF_CONFIG_SMALL("raw AC-3"),
421     0,
422     ac3_probe,
423     ff_raw_audio_read_header,
424     ff_raw_read_partial_packet,
425     .flags= AVFMT_GENERIC_INDEX,
426     .extensions = "ac3",
427     .value = CODEC_ID_AC3,
428 };
429 #endif
430
431 #if CONFIG_AC3_MUXER
432 AVOutputFormat ac3_muxer = {
433     "ac3",
434     NULL_IF_CONFIG_SMALL("raw AC-3"),
435     "audio/x-ac3",
436     "ac3",
437     0,
438     CODEC_ID_AC3,
439     CODEC_ID_NONE,
440     NULL,
441     ff_raw_write_packet,
442     .flags= AVFMT_NOTIMESTAMPS,
443 };
444 #endif
445
446 #if CONFIG_DIRAC_DEMUXER
447 AVInputFormat dirac_demuxer = {
448     "dirac",
449     NULL_IF_CONFIG_SMALL("raw Dirac"),
450     0,
451     dirac_probe,
452     ff_raw_video_read_header,
453     ff_raw_read_partial_packet,
454     .flags= AVFMT_GENERIC_INDEX,
455     .value = CODEC_ID_DIRAC,
456 };
457 #endif
458
459 #if CONFIG_DIRAC_MUXER
460 AVOutputFormat dirac_muxer = {
461     "dirac",
462     NULL_IF_CONFIG_SMALL("raw Dirac"),
463     NULL,
464     "drc",
465     0,
466     CODEC_ID_NONE,
467     CODEC_ID_DIRAC,
468     NULL,
469     ff_raw_write_packet,
470     .flags= AVFMT_NOTIMESTAMPS,
471 };
472 #endif
473
474 #if CONFIG_DNXHD_DEMUXER
475 AVInputFormat dnxhd_demuxer = {
476     "dnxhd",
477     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
478     0,
479     dnxhd_probe,
480     ff_raw_video_read_header,
481     ff_raw_read_partial_packet,
482     .flags= AVFMT_GENERIC_INDEX,
483     .value = CODEC_ID_DNXHD,
484 };
485 #endif
486
487 #if CONFIG_DNXHD_MUXER
488 AVOutputFormat dnxhd_muxer = {
489     "dnxhd",
490     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
491     NULL,
492     "dnxhd",
493     0,
494     CODEC_ID_NONE,
495     CODEC_ID_DNXHD,
496     NULL,
497     ff_raw_write_packet,
498     .flags= AVFMT_NOTIMESTAMPS,
499 };
500 #endif
501
502 #if CONFIG_DTS_MUXER
503 AVOutputFormat dts_muxer = {
504     "dts",
505     NULL_IF_CONFIG_SMALL("raw DTS"),
506     "audio/x-dca",
507     "dts",
508     0,
509     CODEC_ID_DTS,
510     CODEC_ID_NONE,
511     NULL,
512     ff_raw_write_packet,
513     .flags= AVFMT_NOTIMESTAMPS,
514 };
515 #endif
516
517 #if CONFIG_EAC3_DEMUXER
518 AVInputFormat eac3_demuxer = {
519     "eac3",
520     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
521     0,
522     eac3_probe,
523     ff_raw_audio_read_header,
524     ff_raw_read_partial_packet,
525     .flags= AVFMT_GENERIC_INDEX,
526     .extensions = "eac3",
527     .value = CODEC_ID_EAC3,
528 };
529 #endif
530
531 #if CONFIG_EAC3_MUXER
532 AVOutputFormat eac3_muxer = {
533     "eac3",
534     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
535     "audio/x-eac3",
536     "eac3",
537     0,
538     CODEC_ID_EAC3,
539     CODEC_ID_NONE,
540     NULL,
541     ff_raw_write_packet,
542     .flags= AVFMT_NOTIMESTAMPS,
543 };
544 #endif
545
546 #if CONFIG_GSM_DEMUXER
547 AVInputFormat gsm_demuxer = {
548     "gsm",
549     NULL_IF_CONFIG_SMALL("raw GSM"),
550     0,
551     NULL,
552     ff_raw_audio_read_header,
553     ff_raw_read_partial_packet,
554     .flags= AVFMT_GENERIC_INDEX,
555     .extensions = "gsm",
556     .value = CODEC_ID_GSM,
557 };
558 #endif
559
560 #if CONFIG_H261_DEMUXER
561 AVInputFormat h261_demuxer = {
562     "h261",
563     NULL_IF_CONFIG_SMALL("raw H.261"),
564     0,
565     h261_probe,
566     ff_raw_video_read_header,
567     ff_raw_read_partial_packet,
568     .flags= AVFMT_GENERIC_INDEX,
569     .extensions = "h261",
570     .value = CODEC_ID_H261,
571 };
572 #endif
573
574 #if CONFIG_H261_MUXER
575 AVOutputFormat h261_muxer = {
576     "h261",
577     NULL_IF_CONFIG_SMALL("raw H.261"),
578     "video/x-h261",
579     "h261",
580     0,
581     CODEC_ID_NONE,
582     CODEC_ID_H261,
583     NULL,
584     ff_raw_write_packet,
585     .flags= AVFMT_NOTIMESTAMPS,
586 };
587 #endif
588
589 #if CONFIG_H263_DEMUXER
590 AVInputFormat h263_demuxer = {
591     "h263",
592     NULL_IF_CONFIG_SMALL("raw H.263"),
593     0,
594     h263_probe,
595     ff_raw_video_read_header,
596     ff_raw_read_partial_packet,
597     .flags= AVFMT_GENERIC_INDEX,
598 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
599     .value = CODEC_ID_H263,
600 };
601 #endif
602
603 #if CONFIG_H263_MUXER
604 AVOutputFormat h263_muxer = {
605     "h263",
606     NULL_IF_CONFIG_SMALL("raw H.263"),
607     "video/x-h263",
608     "h263",
609     0,
610     CODEC_ID_NONE,
611     CODEC_ID_H263,
612     NULL,
613     ff_raw_write_packet,
614     .flags= AVFMT_NOTIMESTAMPS,
615 };
616 #endif
617
618 #if CONFIG_H264_MUXER
619 AVOutputFormat h264_muxer = {
620     "h264",
621     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
622     NULL,
623     "h264",
624     0,
625     CODEC_ID_NONE,
626     CODEC_ID_H264,
627     NULL,
628     ff_raw_write_packet,
629     .flags= AVFMT_NOTIMESTAMPS,
630 };
631 #endif
632
633 #if CONFIG_CAVSVIDEO_MUXER
634 AVOutputFormat cavsvideo_muxer = {
635     "cavsvideo",
636     NULL_IF_CONFIG_SMALL("raw Chinese AVS video"),
637     NULL,
638     "cavs",
639     0,
640     CODEC_ID_NONE,
641     CODEC_ID_CAVS,
642     NULL,
643     ff_raw_write_packet,
644     .flags= AVFMT_NOTIMESTAMPS,
645 };
646 #endif
647
648 #if CONFIG_M4V_MUXER
649 AVOutputFormat m4v_muxer = {
650     "m4v",
651     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
652     NULL,
653     "m4v",
654     0,
655     CODEC_ID_NONE,
656     CODEC_ID_MPEG4,
657     NULL,
658     ff_raw_write_packet,
659     .flags= AVFMT_NOTIMESTAMPS,
660 };
661 #endif
662
663 #if CONFIG_MJPEG_DEMUXER
664 AVInputFormat mjpeg_demuxer = {
665     "mjpeg",
666     NULL_IF_CONFIG_SMALL("raw MJPEG video"),
667     0,
668     NULL,
669     ff_raw_video_read_header,
670     ff_raw_read_partial_packet,
671     .flags= AVFMT_GENERIC_INDEX,
672     .extensions = "mjpg,mjpeg",
673     .value = CODEC_ID_MJPEG,
674 };
675 #endif
676
677 #if CONFIG_MJPEG_MUXER
678 AVOutputFormat mjpeg_muxer = {
679     "mjpeg",
680     NULL_IF_CONFIG_SMALL("raw MJPEG video"),
681     "video/x-mjpeg",
682     "mjpg,mjpeg",
683     0,
684     CODEC_ID_NONE,
685     CODEC_ID_MJPEG,
686     NULL,
687     ff_raw_write_packet,
688     .flags= AVFMT_NOTIMESTAMPS,
689 };
690 #endif
691
692 #if CONFIG_MLP_DEMUXER
693 AVInputFormat mlp_demuxer = {
694     "mlp",
695     NULL_IF_CONFIG_SMALL("raw MLP"),
696     0,
697     NULL,
698     ff_raw_audio_read_header,
699     ff_raw_read_partial_packet,
700     .flags= AVFMT_GENERIC_INDEX,
701     .extensions = "mlp",
702     .value = CODEC_ID_MLP,
703 };
704 #endif
705
706 #if CONFIG_MLP_MUXER
707 AVOutputFormat mlp_muxer = {
708     "mlp",
709     NULL_IF_CONFIG_SMALL("raw MLP"),
710     NULL,
711     "mlp",
712     0,
713     CODEC_ID_MLP,
714     CODEC_ID_NONE,
715     NULL,
716     ff_raw_write_packet,
717     .flags= AVFMT_NOTIMESTAMPS,
718 };
719 #endif
720
721 #if CONFIG_SRT_MUXER
722 AVOutputFormat srt_muxer = {
723     .name           = "srt",
724     .long_name      = NULL_IF_CONFIG_SMALL("SubRip subtitle format"),
725     .mime_type      = "application/x-subrip",
726     .extensions     = "srt",
727     .write_packet   = ff_raw_write_packet,
728     .flags          = AVFMT_NOTIMESTAMPS,
729     .subtitle_codec = CODEC_ID_SRT,
730 };
731 #endif
732
733 #if CONFIG_TRUEHD_DEMUXER
734 AVInputFormat truehd_demuxer = {
735     "truehd",
736     NULL_IF_CONFIG_SMALL("raw TrueHD"),
737     0,
738     NULL,
739     ff_raw_audio_read_header,
740     ff_raw_read_partial_packet,
741     .flags= AVFMT_GENERIC_INDEX,
742     .extensions = "thd",
743     .value = CODEC_ID_TRUEHD,
744 };
745 #endif
746
747 #if CONFIG_TRUEHD_MUXER
748 AVOutputFormat truehd_muxer = {
749     "truehd",
750     NULL_IF_CONFIG_SMALL("raw TrueHD"),
751     NULL,
752     "thd",
753     0,
754     CODEC_ID_TRUEHD,
755     CODEC_ID_NONE,
756     NULL,
757     ff_raw_write_packet,
758     .flags= AVFMT_NOTIMESTAMPS,
759 };
760 #endif
761
762 #if CONFIG_MPEG1VIDEO_MUXER
763 AVOutputFormat mpeg1video_muxer = {
764     "mpeg1video",
765     NULL_IF_CONFIG_SMALL("raw MPEG-1 video"),
766     "video/x-mpeg",
767     "mpg,mpeg,m1v",
768     0,
769     CODEC_ID_NONE,
770     CODEC_ID_MPEG1VIDEO,
771     NULL,
772     ff_raw_write_packet,
773     .flags= AVFMT_NOTIMESTAMPS,
774 };
775 #endif
776
777 #if CONFIG_MPEG2VIDEO_MUXER
778 AVOutputFormat mpeg2video_muxer = {
779     "mpeg2video",
780     NULL_IF_CONFIG_SMALL("raw MPEG-2 video"),
781     NULL,
782     "m2v",
783     0,
784     CODEC_ID_NONE,
785     CODEC_ID_MPEG2VIDEO,
786     NULL,
787     ff_raw_write_packet,
788     .flags= AVFMT_NOTIMESTAMPS,
789 };
790 #endif
791
792 #if CONFIG_NULL_MUXER
793 AVOutputFormat null_muxer = {
794     "null",
795     NULL_IF_CONFIG_SMALL("raw null video format"),
796     NULL,
797     NULL,
798     0,
799     AV_NE(CODEC_ID_PCM_S16BE, CODEC_ID_PCM_S16LE),
800     CODEC_ID_RAWVIDEO,
801     NULL,
802     null_write_packet,
803     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
804 };
805 #endif
806
807 #if CONFIG_RAWVIDEO_DEMUXER
808 AVInputFormat rawvideo_demuxer = {
809     "rawvideo",
810     NULL_IF_CONFIG_SMALL("raw video format"),
811     0,
812     NULL,
813     raw_read_header,
814     rawvideo_read_packet,
815     .flags= AVFMT_GENERIC_INDEX,
816     .extensions = "yuv,cif,qcif,rgb",
817     .value = CODEC_ID_RAWVIDEO,
818 };
819 #endif
820
821 #if CONFIG_RAWVIDEO_MUXER
822 AVOutputFormat rawvideo_muxer = {
823     "rawvideo",
824     NULL_IF_CONFIG_SMALL("raw video format"),
825     NULL,
826     "yuv,rgb",
827     0,
828     CODEC_ID_NONE,
829     CODEC_ID_RAWVIDEO,
830     NULL,
831     ff_raw_write_packet,
832     .flags= AVFMT_NOTIMESTAMPS,
833 };
834 #endif
835
836 #if CONFIG_SHORTEN_DEMUXER
837 AVInputFormat shorten_demuxer = {
838     "shn",
839     NULL_IF_CONFIG_SMALL("raw Shorten"),
840     0,
841     NULL,
842     ff_raw_audio_read_header,
843     ff_raw_read_partial_packet,
844     .flags= AVFMT_GENERIC_INDEX,
845     .extensions = "shn",
846     .value = CODEC_ID_SHORTEN,
847 };
848 #endif
849
850 #if CONFIG_VC1_DEMUXER
851 AVInputFormat vc1_demuxer = {
852     "vc1",
853     NULL_IF_CONFIG_SMALL("raw VC-1"),
854     0,
855     NULL /* vc1_probe */,
856     ff_raw_video_read_header,
857     ff_raw_read_partial_packet,
858     .extensions = "vc1",
859     .value = CODEC_ID_VC1,
860 };
861 #endif
862
863 /* PCM formats */
864
865 #define PCMINPUTDEF(name, long_name, ext, codec) \
866 AVInputFormat pcm_ ## name ## _demuxer = {\
867     #name,\
868     NULL_IF_CONFIG_SMALL(long_name),\
869     0,\
870     NULL,\
871     raw_read_header,\
872     raw_read_packet,\
873     NULL,\
874     pcm_read_seek,\
875     .flags= AVFMT_GENERIC_INDEX,\
876     .extensions = ext,\
877     .value = codec,\
878 };
879
880 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
881 AVOutputFormat pcm_ ## name ## _muxer = {\
882     #name,\
883     NULL_IF_CONFIG_SMALL(long_name),\
884     NULL,\
885     ext,\
886     0,\
887     codec,\
888     CODEC_ID_NONE,\
889     NULL,\
890     ff_raw_write_packet,\
891     .flags= AVFMT_NOTIMESTAMPS,\
892 };
893
894
895 #if  !CONFIG_MUXERS && CONFIG_DEMUXERS
896 #define PCMDEF(name, long_name, ext, codec) \
897         PCMINPUTDEF(name, long_name, ext, codec)
898 #elif CONFIG_MUXERS && !CONFIG_DEMUXERS
899 #define PCMDEF(name, long_name, ext, codec) \
900         PCMOUTPUTDEF(name, long_name, ext, codec)
901 #elif CONFIG_MUXERS && CONFIG_DEMUXERS
902 #define PCMDEF(name, long_name, ext, codec) \
903         PCMINPUTDEF(name, long_name, ext, codec)\
904         PCMOUTPUTDEF(name, long_name, ext, codec)
905 #else
906 #define PCMDEF(name, long_name, ext, codec)
907 #endif
908
909 #if HAVE_BIGENDIAN
910 #define BE_DEF(s) s
911 #define LE_DEF(s) NULL
912 #else
913 #define BE_DEF(s) NULL
914 #define LE_DEF(s) s
915 #endif
916
917 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
918        NULL, CODEC_ID_PCM_F64BE)
919
920 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
921        NULL, CODEC_ID_PCM_F64LE)
922
923 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
924        NULL, CODEC_ID_PCM_F32BE)
925
926 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
927        NULL, CODEC_ID_PCM_F32LE)
928
929 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
930        NULL, CODEC_ID_PCM_S32BE)
931
932 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
933        NULL, CODEC_ID_PCM_S32LE)
934
935 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
936        NULL, CODEC_ID_PCM_S24BE)
937
938 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
939        NULL, CODEC_ID_PCM_S24LE)
940
941 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
942        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
943
944 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
945        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
946
947 PCMDEF(s8, "PCM signed 8 bit format",
948        "sb", CODEC_ID_PCM_S8)
949
950 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
951        NULL, CODEC_ID_PCM_U32BE)
952
953 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
954        NULL, CODEC_ID_PCM_U32LE)
955
956 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
957        NULL, CODEC_ID_PCM_U24BE)
958
959 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
960        NULL, CODEC_ID_PCM_U24LE)
961
962 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
963        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
964
965 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
966        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
967
968 PCMDEF(u8, "PCM unsigned 8 bit format",
969        "ub", CODEC_ID_PCM_U8)
970
971 PCMDEF(alaw, "PCM A-law format",
972        "al", CODEC_ID_PCM_ALAW)
973
974 PCMDEF(mulaw, "PCM mu-law format",
975        "ul", CODEC_ID_PCM_MULAW)