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matroskadec: demux relevant subtitle packets after a seek
[ffmpeg] / 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/bitstream.h"
26 #include "libavcodec/bytestream.h"
27 #include "avformat.h"
28 #include "raw.h"
29
30 /* simple formats */
31 #ifdef CONFIG_FLAC_MUXER
32 static int flac_write_header(struct AVFormatContext *s)
33 {
34     static const uint8_t header[8] = {
35         0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
36     };
37     uint8_t *streaminfo = s->streams[0]->codec->extradata;
38     int len = s->streams[0]->codec->extradata_size;
39     if(streaminfo != NULL && len > 0) {
40         put_buffer(s->pb, header, 8);
41         put_buffer(s->pb, streaminfo, len);
42     }
43     return 0;
44 }
45 #endif
46
47 #ifdef CONFIG_ROQ_MUXER
48 static int roq_write_header(struct AVFormatContext *s)
49 {
50     static const uint8_t header[] = {
51         0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
52     };
53
54     put_buffer(s->pb, header, 8);
55     put_flush_packet(s->pb);
56
57     return 0;
58 }
59 #endif
60
61 #ifdef CONFIG_NULL_MUXER
62 static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
63 {
64     return 0;
65 }
66 #endif
67
68 #ifdef CONFIG_MUXERS
69 static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
70 {
71     put_buffer(s->pb, pkt->data, pkt->size);
72     put_flush_packet(s->pb);
73     return 0;
74 }
75 #endif
76
77 #ifdef CONFIG_DEMUXERS
78 /* raw input */
79 static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
80 {
81     AVStream *st;
82     int id;
83
84     st = av_new_stream(s, 0);
85     if (!st)
86         return AVERROR(ENOMEM);
87
88         id = s->iformat->value;
89         if (id == CODEC_ID_RAWVIDEO) {
90             st->codec->codec_type = CODEC_TYPE_VIDEO;
91         } else {
92             st->codec->codec_type = CODEC_TYPE_AUDIO;
93         }
94         st->codec->codec_id = id;
95
96         switch(st->codec->codec_type) {
97         case CODEC_TYPE_AUDIO:
98             st->codec->sample_rate = ap->sample_rate;
99             st->codec->channels = ap->channels;
100             av_set_pts_info(st, 64, 1, st->codec->sample_rate);
101             break;
102         case CODEC_TYPE_VIDEO:
103             if(ap->time_base.num)
104                 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
105             else
106                 av_set_pts_info(st, 64, 1, 25);
107             st->codec->width = ap->width;
108             st->codec->height = ap->height;
109             st->codec->pix_fmt = ap->pix_fmt;
110             if(st->codec->pix_fmt == PIX_FMT_NONE)
111                 st->codec->pix_fmt= PIX_FMT_YUV420P;
112             break;
113         default:
114             return -1;
115         }
116     return 0;
117 }
118
119 #define RAW_PACKET_SIZE 1024
120
121 static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
122 {
123     int ret, size, bps;
124     //    AVStream *st = s->streams[0];
125
126     size= RAW_PACKET_SIZE;
127
128     ret= av_get_packet(s->pb, pkt, size);
129
130     pkt->stream_index = 0;
131     if (ret <= 0) {
132         return AVERROR(EIO);
133     }
134     /* note: we need to modify the packet size here to handle the last
135        packet */
136     pkt->size = ret;
137
138     bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
139     assert(bps); // if false there IS a bug elsewhere (NOT in this function)
140     pkt->dts=
141     pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
142
143     return ret;
144 }
145
146 static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
147 {
148     int ret, size;
149
150     size = RAW_PACKET_SIZE;
151
152     if (av_new_packet(pkt, size) < 0)
153         return AVERROR(EIO);
154
155     pkt->pos= url_ftell(s->pb);
156     pkt->stream_index = 0;
157     ret = get_partial_buffer(s->pb, pkt->data, size);
158     if (ret <= 0) {
159         av_free_packet(pkt);
160         return AVERROR(EIO);
161     }
162     pkt->size = ret;
163     return ret;
164 }
165 #endif
166
167 #ifdef CONFIG_RAWVIDEO_DEMUXER
168 static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
169 {
170     int packet_size, ret, width, height;
171     AVStream *st = s->streams[0];
172
173     width = st->codec->width;
174     height = st->codec->height;
175
176     packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
177     if (packet_size < 0)
178         return -1;
179
180     ret= av_get_packet(s->pb, pkt, packet_size);
181     pkt->pts=
182     pkt->dts= pkt->pos / packet_size;
183
184     pkt->stream_index = 0;
185     if (ret != packet_size) {
186         return AVERROR(EIO);
187     } else {
188         return 0;
189     }
190 }
191 #endif
192
193 #ifdef CONFIG_INGENIENT_DEMUXER
194 // http://www.artificis.hu/files/texts/ingenient.txt
195 static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
196 {
197     int ret, size, w, h, unk1, unk2;
198
199     if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
200         return AVERROR(EIO); // FIXME
201
202     size = get_le32(s->pb);
203
204     w = get_le16(s->pb);
205     h = get_le16(s->pb);
206
207     url_fskip(s->pb, 8); // zero + size (padded?)
208     url_fskip(s->pb, 2);
209     unk1 = get_le16(s->pb);
210     unk2 = get_le16(s->pb);
211     url_fskip(s->pb, 22); // ASCII timestamp
212
213     av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
214         size, w, h, unk1, unk2);
215
216     if (av_new_packet(pkt, size) < 0)
217         return AVERROR(EIO);
218
219     pkt->pos = url_ftell(s->pb);
220     pkt->stream_index = 0;
221     ret = get_buffer(s->pb, pkt->data, size);
222     if (ret <= 0) {
223         av_free_packet(pkt);
224         return AVERROR(EIO);
225     }
226     pkt->size = ret;
227     return ret;
228 }
229 #endif
230
231 #ifdef CONFIG_DEMUXERS
232 int pcm_read_seek(AVFormatContext *s,
233                   int stream_index, int64_t timestamp, int flags)
234 {
235     AVStream *st;
236     int block_align, byte_rate, ret;
237     int64_t pos;
238
239     st = s->streams[0];
240
241     block_align = st->codec->block_align ? st->codec->block_align :
242         (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
243     byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 :
244         block_align * st->codec->sample_rate;
245
246     if (block_align <= 0 || byte_rate <= 0)
247         return -1;
248
249     /* compute the position by aligning it to block_align */
250     pos = av_rescale_rnd(timestamp * byte_rate,
251                          st->time_base.num,
252                          st->time_base.den * (int64_t)block_align,
253                          (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
254     pos *= block_align;
255
256     /* recompute exact position */
257     st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
258     if ((ret = url_fseek(s->pb, pos + s->data_offset, SEEK_SET)) < 0)
259         return ret;
260     return 0;
261 }
262
263 static int audio_read_header(AVFormatContext *s,
264                              AVFormatParameters *ap)
265 {
266     AVStream *st = av_new_stream(s, 0);
267     if (!st)
268         return AVERROR(ENOMEM);
269     st->codec->codec_type = CODEC_TYPE_AUDIO;
270     st->codec->codec_id = s->iformat->value;
271     st->need_parsing = AVSTREAM_PARSE_FULL;
272     /* the parameters will be extracted from the compressed bitstream */
273     return 0;
274 }
275
276 /* MPEG-1/H.263 input */
277 static int video_read_header(AVFormatContext *s,
278                              AVFormatParameters *ap)
279 {
280     AVStream *st;
281
282     st = av_new_stream(s, 0);
283     if (!st)
284         return AVERROR(ENOMEM);
285
286     st->codec->codec_type = CODEC_TYPE_VIDEO;
287     st->codec->codec_id = s->iformat->value;
288     st->need_parsing = AVSTREAM_PARSE_FULL;
289
290     /* for MJPEG, specify frame rate */
291     /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/
292     if (ap->time_base.num) {
293         av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
294     } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
295                 st->codec->codec_id == CODEC_ID_MPEG4 ||
296                 st->codec->codec_id == CODEC_ID_DIRAC ||
297                 st->codec->codec_id == CODEC_ID_H264) {
298         av_set_pts_info(st, 64, 1, 25);
299     }
300
301     return 0;
302 }
303 #endif
304
305 #ifdef CONFIG_MPEGVIDEO_DEMUXER
306 #define SEQ_START_CODE          0x000001b3
307 #define GOP_START_CODE          0x000001b8
308 #define PICTURE_START_CODE      0x00000100
309 #define SLICE_START_CODE        0x00000101
310 #define PACK_START_CODE         0x000001ba
311 #define VIDEO_ID                0x000001e0
312 #define AUDIO_ID                0x000001c0
313
314 static int mpegvideo_probe(AVProbeData *p)
315 {
316     uint32_t code= -1;
317     int pic=0, seq=0, slice=0, pspack=0, pes=0;
318     int i;
319
320     for(i=0; i<p->buf_size; i++){
321         code = (code<<8) + p->buf[i];
322         if ((code & 0xffffff00) == 0x100) {
323             switch(code){
324             case     SEQ_START_CODE:   seq++; break;
325             case PICTURE_START_CODE:   pic++; break;
326             case   SLICE_START_CODE: slice++; break;
327             case    PACK_START_CODE: pspack++; break;
328             }
329             if     ((code & 0x1f0) == VIDEO_ID)   pes++;
330             else if((code & 0x1e0) == AUDIO_ID)   pes++;
331         }
332     }
333     if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
334         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
335     return 0;
336 }
337 #endif
338
339 #ifdef CONFIG_M4V_DEMUXER
340 #define VISUAL_OBJECT_START_CODE       0x000001b5
341 #define VOP_START_CODE                 0x000001b6
342
343 static int mpeg4video_probe(AVProbeData *probe_packet)
344 {
345     uint32_t temp_buffer= -1;
346     int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
347     int i;
348
349     for(i=0; i<probe_packet->buf_size; i++){
350         temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
351         if ((temp_buffer & 0xffffff00) != 0x100)
352             continue;
353
354         if (temp_buffer == VOP_START_CODE)                         VOP++;
355         else if (temp_buffer == VISUAL_OBJECT_START_CODE)          VISO++;
356         else if (temp_buffer < 0x120)                              VO++;
357         else if (temp_buffer < 0x130)                              VOL++;
358         else if (   !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
359                  && !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
360     }
361
362     if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
363         return AVPROBE_SCORE_MAX/2;
364     return 0;
365 }
366 #endif
367
368 #ifdef CONFIG_H264_DEMUXER
369 static int h264_probe(AVProbeData *p)
370 {
371     uint32_t code= -1;
372     int sps=0, pps=0, idr=0, res=0, sli=0;
373     int i;
374
375     for(i=0; i<p->buf_size; i++){
376         code = (code<<8) + p->buf[i];
377         if ((code & 0xffffff00) == 0x100) {
378             int ref_idc= (code>>5)&3;
379             int type   = code & 0x1F;
380             static const int8_t ref_zero[32]={
381                 2, 0, 0, 0, 0,-1, 1,-1,
382                -1, 1, 1, 1, 1,-1, 2, 2,
383                 2, 2, 2, 0, 2, 2, 2, 2,
384                 2, 2, 2, 2, 2, 2, 2, 2
385             };
386
387             if(code & 0x80) //forbidden bit
388                 return 0;
389
390             if(ref_zero[type] == 1 && ref_idc)
391                 return 0;
392             if(ref_zero[type] ==-1 && !ref_idc)
393                 return 0;
394             if(ref_zero[type] == 2)
395                 res++;
396
397             switch(type){
398             case     1:   sli++; break;
399             case     5:   idr++; break;
400             case     7:
401                 if(p->buf[i+2]&0x0F)
402                     return 0;
403                 sps++;
404                 break;
405             case     8:   pps++; break;
406             }
407         }
408     }
409     if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
410         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
411     return 0;
412 }
413 #endif
414
415 #ifdef CONFIG_H263_DEMUXER
416 static int h263_probe(AVProbeData *p)
417 {
418     int code;
419     const uint8_t *d;
420
421     d = p->buf;
422     code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
423     if (code == 0x20) {
424         return 50;
425     }
426     return 0;
427 }
428 #endif
429
430 #ifdef CONFIG_H261_DEMUXER
431 static int h261_probe(AVProbeData *p)
432 {
433     int code;
434     const uint8_t *d;
435
436     d = p->buf;
437     code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
438     if (code == 0x10) {
439         return 50;
440     }
441     return 0;
442 }
443 #endif
444
445 #ifdef CONFIG_DTS_DEMUXER
446 #define DCA_MARKER_14B_BE 0x1FFFE800
447 #define DCA_MARKER_14B_LE 0xFF1F00E8
448 #define DCA_MARKER_RAW_BE 0x7FFE8001
449 #define DCA_MARKER_RAW_LE 0xFE7F0180
450 static int dts_probe(AVProbeData *p)
451 {
452     const uint8_t *buf, *bufp;
453     uint32_t state = -1;
454
455     buf = p->buf;
456
457     for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
458         bufp = buf;
459         state = (state << 16) | bytestream_get_be16(&bufp);
460
461         /* regular bitstream */
462         if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE)
463             return AVPROBE_SCORE_MAX/2+1;
464
465         /* 14 bits big-endian bitstream */
466         if (state == DCA_MARKER_14B_BE)
467             if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0)
468                 return AVPROBE_SCORE_MAX/2+1;
469
470         /* 14 bits little-endian bitstream */
471         if (state == DCA_MARKER_14B_LE)
472             if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007)
473                 return AVPROBE_SCORE_MAX/2+1;
474     }
475
476     return 0;
477 }
478 #endif
479
480 #ifdef CONFIG_DIRAC_DEMUXER
481 static int dirac_probe(AVProbeData *p)
482 {
483     if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
484         return AVPROBE_SCORE_MAX;
485     else
486         return 0;
487 }
488 #endif
489
490 #if defined(CONFIG_AC3_DEMUXER) || defined(CONFIG_EAC3_DEMUXER)
491 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
492 {
493     int max_frames, first_frames = 0, frames;
494     uint8_t *buf, *buf2, *end;
495     AC3HeaderInfo hdr;
496     GetBitContext gbc;
497     enum CodecID codec_id = CODEC_ID_AC3;
498
499     max_frames = 0;
500     buf = p->buf;
501     end = buf + p->buf_size;
502
503     for(; buf < end; buf++) {
504         buf2 = buf;
505
506         for(frames = 0; buf2 < end; frames++) {
507             init_get_bits(&gbc, buf2, 54);
508             if(ff_ac3_parse_header(&gbc, &hdr) < 0)
509                 break;
510             if(buf2 + hdr.frame_size > end ||
511                av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
512                 break;
513             if (hdr.bitstream_id > 10)
514                 codec_id = CODEC_ID_EAC3;
515             buf2 += hdr.frame_size;
516         }
517         max_frames = FFMAX(max_frames, frames);
518         if(buf == p->buf)
519             first_frames = frames;
520     }
521     if(codec_id != expected_codec_id) return 0;
522     if   (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
523     else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
524     else if(max_frames>=1) return 1;
525     else                   return 0;
526 }
527 #endif
528
529 #ifdef CONFIG_AC3_DEMUXER
530 static int ac3_probe(AVProbeData *p)
531 {
532     return ac3_eac3_probe(p, CODEC_ID_AC3);
533 }
534 #endif
535
536 #ifdef CONFIG_EAC3_DEMUXER
537 static int eac3_probe(AVProbeData *p)
538 {
539     return ac3_eac3_probe(p, CODEC_ID_EAC3);
540 }
541 #endif
542
543 #ifdef CONFIG_FLAC_DEMUXER
544 static int flac_probe(AVProbeData *p)
545 {
546     if(memcmp(p->buf, "fLaC", 4)) return 0;
547     else                          return AVPROBE_SCORE_MAX / 2;
548 }
549 #endif
550
551
552 /* Note: Do not forget to add new entries to the Makefile as well. */
553
554 #ifdef CONFIG_AAC_DEMUXER
555 AVInputFormat aac_demuxer = {
556     "aac",
557     NULL_IF_CONFIG_SMALL("ADTS AAC"),
558     0,
559     NULL,
560     audio_read_header,
561     raw_read_partial_packet,
562     .flags= AVFMT_GENERIC_INDEX,
563     .extensions = "aac",
564     .value = CODEC_ID_AAC,
565 };
566 #endif
567
568 #ifdef CONFIG_AC3_DEMUXER
569 AVInputFormat ac3_demuxer = {
570     "ac3",
571     NULL_IF_CONFIG_SMALL("raw AC-3"),
572     0,
573     ac3_probe,
574     audio_read_header,
575     raw_read_partial_packet,
576     .flags= AVFMT_GENERIC_INDEX,
577     .extensions = "ac3",
578     .value = CODEC_ID_AC3,
579 };
580 #endif
581
582 #ifdef CONFIG_AC3_MUXER
583 AVOutputFormat ac3_muxer = {
584     "ac3",
585     NULL_IF_CONFIG_SMALL("raw AC-3"),
586     "audio/x-ac3",
587     "ac3",
588     0,
589     CODEC_ID_AC3,
590     CODEC_ID_NONE,
591     NULL,
592     raw_write_packet,
593     .flags= AVFMT_NOTIMESTAMPS,
594 };
595 #endif
596
597 #ifdef CONFIG_DIRAC_DEMUXER
598 AVInputFormat dirac_demuxer = {
599     "dirac",
600     NULL_IF_CONFIG_SMALL("raw Dirac"),
601     0,
602     dirac_probe,
603     video_read_header,
604     raw_read_partial_packet,
605     .flags= AVFMT_GENERIC_INDEX,
606     .value = CODEC_ID_DIRAC,
607 };
608 #endif
609
610 #ifdef CONFIG_DIRAC_MUXER
611 AVOutputFormat dirac_muxer = {
612     "dirac",
613     NULL_IF_CONFIG_SMALL("raw Dirac"),
614     NULL,
615     "drc",
616     0,
617     CODEC_ID_NONE,
618     CODEC_ID_DIRAC,
619     NULL,
620     raw_write_packet,
621     .flags= AVFMT_NOTIMESTAMPS,
622 };
623 #endif
624
625 #ifdef CONFIG_DTS_DEMUXER
626 AVInputFormat dts_demuxer = {
627     "dts",
628     NULL_IF_CONFIG_SMALL("raw DTS"),
629     0,
630     dts_probe,
631     audio_read_header,
632     raw_read_partial_packet,
633     .flags= AVFMT_GENERIC_INDEX,
634     .extensions = "dts",
635     .value = CODEC_ID_DTS,
636 };
637 #endif
638
639 #ifdef CONFIG_DTS_MUXER
640 AVOutputFormat dts_muxer = {
641     "dts",
642     NULL_IF_CONFIG_SMALL("raw DTS"),
643     "audio/x-dca",
644     "dts",
645     0,
646     CODEC_ID_DTS,
647     CODEC_ID_NONE,
648     NULL,
649     raw_write_packet,
650     .flags= AVFMT_NOTIMESTAMPS,
651 };
652 #endif
653
654 #ifdef CONFIG_EAC3_DEMUXER
655 AVInputFormat eac3_demuxer = {
656     "eac3",
657     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
658     0,
659     eac3_probe,
660     audio_read_header,
661     raw_read_partial_packet,
662     .flags= AVFMT_GENERIC_INDEX,
663     .extensions = "eac3",
664     .value = CODEC_ID_EAC3,
665 };
666 #endif
667
668 #ifdef CONFIG_EAC3_MUXER
669 AVOutputFormat eac3_muxer = {
670     "eac3",
671     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
672     "audio/x-eac3",
673     "eac3",
674     0,
675     CODEC_ID_EAC3,
676     CODEC_ID_NONE,
677     NULL,
678     raw_write_packet,
679     .flags= AVFMT_NOTIMESTAMPS,
680 };
681 #endif
682
683 #ifdef CONFIG_FLAC_DEMUXER
684 AVInputFormat flac_demuxer = {
685     "flac",
686     NULL_IF_CONFIG_SMALL("raw FLAC"),
687     0,
688     flac_probe,
689     audio_read_header,
690     raw_read_partial_packet,
691     .flags= AVFMT_GENERIC_INDEX,
692     .extensions = "flac",
693     .value = CODEC_ID_FLAC,
694 };
695 #endif
696
697 #ifdef CONFIG_FLAC_MUXER
698 AVOutputFormat flac_muxer = {
699     "flac",
700     NULL_IF_CONFIG_SMALL("raw FLAC"),
701     "audio/x-flac",
702     "flac",
703     0,
704     CODEC_ID_FLAC,
705     CODEC_ID_NONE,
706     flac_write_header,
707     raw_write_packet,
708     .flags= AVFMT_NOTIMESTAMPS,
709 };
710 #endif
711
712 #ifdef CONFIG_GSM_DEMUXER
713 AVInputFormat gsm_demuxer = {
714     "gsm",
715     NULL_IF_CONFIG_SMALL("GSM"),
716     0,
717     NULL,
718     audio_read_header,
719     raw_read_partial_packet,
720     .flags= AVFMT_GENERIC_INDEX,
721     .extensions = "gsm",
722     .value = CODEC_ID_GSM,
723 };
724 #endif
725
726 #ifdef CONFIG_H261_DEMUXER
727 AVInputFormat h261_demuxer = {
728     "h261",
729     NULL_IF_CONFIG_SMALL("raw H.261"),
730     0,
731     h261_probe,
732     video_read_header,
733     raw_read_partial_packet,
734     .flags= AVFMT_GENERIC_INDEX,
735     .extensions = "h261",
736     .value = CODEC_ID_H261,
737 };
738 #endif
739
740 #ifdef CONFIG_H261_MUXER
741 AVOutputFormat h261_muxer = {
742     "h261",
743     NULL_IF_CONFIG_SMALL("raw H.261"),
744     "video/x-h261",
745     "h261",
746     0,
747     CODEC_ID_NONE,
748     CODEC_ID_H261,
749     NULL,
750     raw_write_packet,
751     .flags= AVFMT_NOTIMESTAMPS,
752 };
753 #endif
754
755 #ifdef CONFIG_H263_DEMUXER
756 AVInputFormat h263_demuxer = {
757     "h263",
758     NULL_IF_CONFIG_SMALL("raw H.263"),
759     0,
760     h263_probe,
761     video_read_header,
762     raw_read_partial_packet,
763     .flags= AVFMT_GENERIC_INDEX,
764 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
765     .value = CODEC_ID_H263,
766 };
767 #endif
768
769 #ifdef CONFIG_H263_MUXER
770 AVOutputFormat h263_muxer = {
771     "h263",
772     NULL_IF_CONFIG_SMALL("raw H.263"),
773     "video/x-h263",
774     "h263",
775     0,
776     CODEC_ID_NONE,
777     CODEC_ID_H263,
778     NULL,
779     raw_write_packet,
780     .flags= AVFMT_NOTIMESTAMPS,
781 };
782 #endif
783
784 #ifdef CONFIG_H264_DEMUXER
785 AVInputFormat h264_demuxer = {
786     "h264",
787     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
788     0,
789     h264_probe,
790     video_read_header,
791     raw_read_partial_packet,
792     .flags= AVFMT_GENERIC_INDEX,
793     .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
794     .value = CODEC_ID_H264,
795 };
796 #endif
797
798 #ifdef CONFIG_H264_MUXER
799 AVOutputFormat h264_muxer = {
800     "h264",
801     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
802     NULL,
803     "h264",
804     0,
805     CODEC_ID_NONE,
806     CODEC_ID_H264,
807     NULL,
808     raw_write_packet,
809     .flags= AVFMT_NOTIMESTAMPS,
810 };
811 #endif
812
813 #ifdef CONFIG_INGENIENT_DEMUXER
814 AVInputFormat ingenient_demuxer = {
815     "ingenient",
816     NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
817     0,
818     NULL,
819     video_read_header,
820     ingenient_read_packet,
821     .flags= AVFMT_GENERIC_INDEX,
822     .extensions = "cgi", // FIXME
823     .value = CODEC_ID_MJPEG,
824 };
825 #endif
826
827 #ifdef CONFIG_M4V_DEMUXER
828 AVInputFormat m4v_demuxer = {
829     "m4v",
830     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
831     0,
832     mpeg4video_probe, /** probing for MPEG-4 data */
833     video_read_header,
834     raw_read_partial_packet,
835     .flags= AVFMT_GENERIC_INDEX,
836     .extensions = "m4v", //FIXME remove after writing mpeg4_probe
837     .value = CODEC_ID_MPEG4,
838 };
839 #endif
840
841 #ifdef CONFIG_M4V_MUXER
842 AVOutputFormat m4v_muxer = {
843     "m4v",
844     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
845     NULL,
846     "m4v",
847     0,
848     CODEC_ID_NONE,
849     CODEC_ID_MPEG4,
850     NULL,
851     raw_write_packet,
852     .flags= AVFMT_NOTIMESTAMPS,
853 };
854 #endif
855
856 #ifdef CONFIG_MJPEG_DEMUXER
857 AVInputFormat mjpeg_demuxer = {
858     "mjpeg",
859     NULL_IF_CONFIG_SMALL("MJPEG video"),
860     0,
861     NULL,
862     video_read_header,
863     raw_read_partial_packet,
864     .flags= AVFMT_GENERIC_INDEX,
865     .extensions = "mjpg,mjpeg",
866     .value = CODEC_ID_MJPEG,
867 };
868 #endif
869
870 #ifdef CONFIG_MJPEG_MUXER
871 AVOutputFormat mjpeg_muxer = {
872     "mjpeg",
873     NULL_IF_CONFIG_SMALL("MJPEG video"),
874     "video/x-mjpeg",
875     "mjpg,mjpeg",
876     0,
877     CODEC_ID_NONE,
878     CODEC_ID_MJPEG,
879     NULL,
880     raw_write_packet,
881     .flags= AVFMT_NOTIMESTAMPS,
882 };
883 #endif
884
885 #ifdef CONFIG_MLP_DEMUXER
886 AVInputFormat mlp_demuxer = {
887     "mlp",
888     NULL_IF_CONFIG_SMALL("raw MLP"),
889     0,
890     NULL,
891     audio_read_header,
892     raw_read_partial_packet,
893     .flags= AVFMT_GENERIC_INDEX,
894     .extensions = "mlp",
895     .value = CODEC_ID_MLP,
896 };
897 #endif
898
899 #ifdef CONFIG_MPEG1VIDEO_MUXER
900 AVOutputFormat mpeg1video_muxer = {
901     "mpeg1video",
902     NULL_IF_CONFIG_SMALL("MPEG video"),
903     "video/x-mpeg",
904     "mpg,mpeg,m1v",
905     0,
906     CODEC_ID_NONE,
907     CODEC_ID_MPEG1VIDEO,
908     NULL,
909     raw_write_packet,
910     .flags= AVFMT_NOTIMESTAMPS,
911 };
912 #endif
913
914 #ifdef CONFIG_MPEG2VIDEO_MUXER
915 AVOutputFormat mpeg2video_muxer = {
916     "mpeg2video",
917     NULL_IF_CONFIG_SMALL("MPEG-2 video"),
918     NULL,
919     "m2v",
920     0,
921     CODEC_ID_NONE,
922     CODEC_ID_MPEG2VIDEO,
923     NULL,
924     raw_write_packet,
925     .flags= AVFMT_NOTIMESTAMPS,
926 };
927 #endif
928
929 #ifdef CONFIG_MPEGVIDEO_DEMUXER
930 AVInputFormat mpegvideo_demuxer = {
931     "mpegvideo",
932     NULL_IF_CONFIG_SMALL("MPEG video"),
933     0,
934     mpegvideo_probe,
935     video_read_header,
936     raw_read_partial_packet,
937     .flags= AVFMT_GENERIC_INDEX,
938     .value = CODEC_ID_MPEG1VIDEO,
939 };
940 #endif
941
942 #ifdef CONFIG_NULL_MUXER
943 AVOutputFormat null_muxer = {
944     "null",
945     NULL_IF_CONFIG_SMALL("null video format"),
946     NULL,
947     NULL,
948     0,
949 #ifdef WORDS_BIGENDIAN
950     CODEC_ID_PCM_S16BE,
951 #else
952     CODEC_ID_PCM_S16LE,
953 #endif
954     CODEC_ID_RAWVIDEO,
955     NULL,
956     null_write_packet,
957     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
958 };
959 #endif
960
961 #ifdef CONFIG_RAWVIDEO_DEMUXER
962 AVInputFormat rawvideo_demuxer = {
963     "rawvideo",
964     NULL_IF_CONFIG_SMALL("raw video format"),
965     0,
966     NULL,
967     raw_read_header,
968     rawvideo_read_packet,
969     .flags= AVFMT_GENERIC_INDEX,
970     .extensions = "yuv,cif,qcif,rgb",
971     .value = CODEC_ID_RAWVIDEO,
972 };
973 #endif
974
975 #ifdef CONFIG_RAWVIDEO_MUXER
976 AVOutputFormat rawvideo_muxer = {
977     "rawvideo",
978     NULL_IF_CONFIG_SMALL("raw video format"),
979     NULL,
980     "yuv,rgb",
981     0,
982     CODEC_ID_NONE,
983     CODEC_ID_RAWVIDEO,
984     NULL,
985     raw_write_packet,
986     .flags= AVFMT_NOTIMESTAMPS,
987 };
988 #endif
989
990 #ifdef CONFIG_ROQ_MUXER
991 AVOutputFormat roq_muxer =
992 {
993     "RoQ",
994     NULL_IF_CONFIG_SMALL("id RoQ format"),
995     NULL,
996     "roq",
997     0,
998     CODEC_ID_ROQ_DPCM,
999     CODEC_ID_ROQ,
1000     roq_write_header,
1001     raw_write_packet,
1002 };
1003 #endif
1004
1005 #ifdef CONFIG_SHORTEN_DEMUXER
1006 AVInputFormat shorten_demuxer = {
1007     "shn",
1008     NULL_IF_CONFIG_SMALL("raw Shorten"),
1009     0,
1010     NULL,
1011     audio_read_header,
1012     raw_read_partial_packet,
1013     .flags= AVFMT_GENERIC_INDEX,
1014     .extensions = "shn",
1015     .value = CODEC_ID_SHORTEN,
1016 };
1017 #endif
1018
1019 #ifdef CONFIG_VC1_DEMUXER
1020 AVInputFormat vc1_demuxer = {
1021     "vc1",
1022     NULL_IF_CONFIG_SMALL("raw VC-1"),
1023     0,
1024     NULL /* vc1_probe */,
1025     video_read_header,
1026     raw_read_partial_packet,
1027     .extensions = "vc1",
1028     .value = CODEC_ID_VC1,
1029 };
1030 #endif
1031
1032 /* PCM formats */
1033
1034 #define PCMINPUTDEF(name, long_name, ext, codec) \
1035 AVInputFormat pcm_ ## name ## _demuxer = {\
1036     #name,\
1037     NULL_IF_CONFIG_SMALL(long_name),\
1038     0,\
1039     NULL,\
1040     raw_read_header,\
1041     raw_read_packet,\
1042     NULL,\
1043     pcm_read_seek,\
1044     .flags= AVFMT_GENERIC_INDEX,\
1045     .extensions = ext,\
1046     .value = codec,\
1047 };
1048
1049 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1050 AVOutputFormat pcm_ ## name ## _muxer = {\
1051     #name,\
1052     NULL_IF_CONFIG_SMALL(long_name),\
1053     NULL,\
1054     ext,\
1055     0,\
1056     codec,\
1057     CODEC_ID_NONE,\
1058     NULL,\
1059     raw_write_packet,\
1060     .flags= AVFMT_NOTIMESTAMPS,\
1061 };
1062
1063
1064 #if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1065 #define PCMDEF(name, long_name, ext, codec) \
1066         PCMINPUTDEF(name, long_name, ext, codec)
1067 #elif defined(CONFIG_MUXERS) && !defined(CONFIG_DEMUXERS)
1068 #define PCMDEF(name, long_name, ext, codec) \
1069         PCMOUTPUTDEF(name, long_name, ext, codec)
1070 #elif defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1071 #define PCMDEF(name, long_name, ext, codec) \
1072         PCMINPUTDEF(name, long_name, ext, codec)\
1073         PCMOUTPUTDEF(name, long_name, ext, codec)
1074 #else
1075 #define PCMDEF(name, long_name, ext, codec)
1076 #endif
1077
1078 #ifdef WORDS_BIGENDIAN
1079 #define BE_DEF(s) s
1080 #define LE_DEF(s) NULL
1081 #else
1082 #define BE_DEF(s) NULL
1083 #define LE_DEF(s) s
1084 #endif
1085
1086 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1087        NULL, CODEC_ID_PCM_F64BE)
1088
1089 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1090        NULL, CODEC_ID_PCM_F64LE)
1091
1092 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1093        NULL, CODEC_ID_PCM_F32BE)
1094
1095 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1096        NULL, CODEC_ID_PCM_F32LE)
1097
1098 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1099        NULL, CODEC_ID_PCM_S32BE)
1100
1101 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1102        NULL, CODEC_ID_PCM_S32LE)
1103
1104 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1105        NULL, CODEC_ID_PCM_S24BE)
1106
1107 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1108        NULL, CODEC_ID_PCM_S24LE)
1109
1110 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1111        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1112
1113 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1114        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1115
1116 PCMDEF(s8, "PCM signed 8 bit format",
1117        "sb", CODEC_ID_PCM_S8)
1118
1119 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1120        NULL, CODEC_ID_PCM_U32BE)
1121
1122 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1123        NULL, CODEC_ID_PCM_U32LE)
1124
1125 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1126        NULL, CODEC_ID_PCM_U24BE)
1127
1128 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1129        NULL, CODEC_ID_PCM_U24LE)
1130
1131 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1132        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1133
1134 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1135        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1136
1137 PCMDEF(u8, "PCM unsigned 8 bit format",
1138        "ub", CODEC_ID_PCM_U8)
1139
1140 PCMDEF(alaw, "PCM A-law format",
1141        "al", CODEC_ID_PCM_ALAW)
1142
1143 PCMDEF(mulaw, "PCM mu-law format",
1144        "ul", CODEC_ID_PCM_MULAW)