improve mpeg1/2-es detection
[libav.git] / libavformat / raw.c
CommitLineData
115329f1 1/*
de6d9b64 2 * RAW encoder and decoder
19720f15 3 * Copyright (c) 2001 Fabrice Bellard.
84c63c01 4 * Copyright (c) 2005 Alex Beregszaszi
de6d9b64 5 *
19720f15
FB
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
de6d9b64 10 *
19720f15 11 * This library is distributed in the hope that it will be useful,
de6d9b64 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19720f15
FB
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
de6d9b64 15 *
19720f15
FB
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
5509bffa 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
de6d9b64 19 */
de6d9b64
FB
20#include "avformat.h"
21
a9e35095 22#ifdef CONFIG_MUXERS
de6d9b64 23/* simple formats */
5c91a675 24static int raw_write_header(struct AVFormatContext *s)
de6d9b64
FB
25{
26 return 0;
27}
28
e928649b 29static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
de6d9b64 30{
e928649b 31 put_buffer(&s->pb, pkt->data, pkt->size);
de6d9b64
FB
32 put_flush_packet(&s->pb);
33 return 0;
34}
35
5c91a675 36static int raw_write_trailer(struct AVFormatContext *s)
de6d9b64
FB
37{
38 return 0;
39}
a9e35095 40#endif //CONFIG_MUXERS
de6d9b64
FB
41
42/* raw input */
0c1a9eda 43static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
de6d9b64
FB
44{
45 AVStream *st;
c9a65ca8 46 int id;
de6d9b64 47
c9a65ca8 48 st = av_new_stream(s, 0);
de6d9b64 49 if (!st)
c9a65ca8 50 return AVERROR_NOMEM;
de6d9b64 51 if (ap) {
c9a65ca8
FB
52 id = s->iformat->value;
53 if (id == CODEC_ID_RAWVIDEO) {
01f4895c 54 st->codec->codec_type = CODEC_TYPE_VIDEO;
de6d9b64 55 } else {
01f4895c 56 st->codec->codec_type = CODEC_TYPE_AUDIO;
de6d9b64 57 }
01f4895c 58 st->codec->codec_id = id;
c9a65ca8 59
01f4895c 60 switch(st->codec->codec_type) {
de6d9b64 61 case CODEC_TYPE_AUDIO:
01f4895c
MN
62 st->codec->sample_rate = ap->sample_rate;
63 st->codec->channels = ap->channels;
64 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
de6d9b64
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65 break;
66 case CODEC_TYPE_VIDEO:
c0df9d75 67 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
01f4895c
MN
68 st->codec->width = ap->width;
69 st->codec->height = ap->height;
70 st->codec->pix_fmt = ap->pix_fmt;
71 if(st->codec->pix_fmt == PIX_FMT_NONE)
72 st->codec->pix_fmt= PIX_FMT_YUV420P;
de6d9b64
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73 break;
74 default:
27e084bd 75 return -1;
de6d9b64
FB
76 }
77 } else {
27e084bd 78 return -1;
de6d9b64
FB
79 }
80 return 0;
81}
82
2e93e3aa 83#define RAW_PACKET_SIZE 1024
de6d9b64 84
5c91a675 85static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64 86{
7866eeff 87 int ret, size;
2a6874fd 88 // AVStream *st = s->streams[0];
115329f1 89
231dd3f3 90 size= RAW_PACKET_SIZE;
de6d9b64 91
2692067a 92 ret= av_get_packet(&s->pb, pkt, size);
de6d9b64
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93
94 pkt->stream_index = 0;
2e93e3aa 95 if (ret <= 0) {
0bd586c5 96 return AVERROR_IO;
2e93e3aa
FB
97 }
98 /* note: we need to modify the packet size here to handle the last
99 packet */
100 pkt->size = ret;
de6d9b64
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101 return ret;
102}
103
e15dec10
LS
104static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
105{
106 int ret, size;
107
108 size = RAW_PACKET_SIZE;
109
110 if (av_new_packet(pkt, size) < 0)
0bd586c5 111 return AVERROR_IO;
115329f1 112
2692067a 113 pkt->pos= url_ftell(&s->pb);
e15dec10
LS
114 pkt->stream_index = 0;
115 ret = get_partial_buffer(&s->pb, pkt->data, size);
116 if (ret <= 0) {
117 av_free_packet(pkt);
0bd586c5 118 return AVERROR_IO;
e15dec10
LS
119 }
120 pkt->size = ret;
121 return ret;
122}
123
84c63c01
AB
124// http://www.artificis.hu/files/texts/ingenient.txt
125static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
126{
127 int ret, size, w, h, unk1, unk2;
115329f1 128
84c63c01 129 if (get_le32(&s->pb) != MKTAG('M', 'J', 'P', 'G'))
bb270c08 130 return AVERROR_IO; // FIXME
84c63c01
AB
131
132 size = get_le32(&s->pb);
115329f1 133
84c63c01
AB
134 w = get_le16(&s->pb);
135 h = get_le16(&s->pb);
115329f1 136
84c63c01
AB
137 url_fskip(&s->pb, 8); // zero + size (padded?)
138 url_fskip(&s->pb, 2);
139 unk1 = get_le16(&s->pb);
140 unk2 = get_le16(&s->pb);
141 url_fskip(&s->pb, 22); // ascii timestamp
115329f1 142
84c63c01 143 av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
bb270c08 144 size, w, h, unk1, unk2);
84c63c01
AB
145
146 if (av_new_packet(pkt, size) < 0)
147 return AVERROR_IO;
148
149 pkt->pos = url_ftell(&s->pb);
150 pkt->stream_index = 0;
151 ret = get_buffer(&s->pb, pkt->data, size);
152 if (ret <= 0) {
153 av_free_packet(pkt);
154 return AVERROR_IO;
155 }
156 pkt->size = ret;
157 return ret;
158}
159
5c91a675 160static int raw_read_close(AVFormatContext *s)
de6d9b64
FB
161{
162 return 0;
163}
164
115329f1 165int pcm_read_seek(AVFormatContext *s,
7b3c1382 166 int stream_index, int64_t timestamp, int flags)
4986a429
FB
167{
168 AVStream *st;
169 int block_align, byte_rate;
170 int64_t pos;
171
172 st = s->streams[0];
01f4895c 173 switch(st->codec->codec_id) {
4986a429
FB
174 case CODEC_ID_PCM_S16LE:
175 case CODEC_ID_PCM_S16BE:
176 case CODEC_ID_PCM_U16LE:
177 case CODEC_ID_PCM_U16BE:
01f4895c
MN
178 block_align = 2 * st->codec->channels;
179 byte_rate = block_align * st->codec->sample_rate;
4986a429
FB
180 break;
181 case CODEC_ID_PCM_S8:
182 case CODEC_ID_PCM_U8:
183 case CODEC_ID_PCM_MULAW:
184 case CODEC_ID_PCM_ALAW:
01f4895c
MN
185 block_align = st->codec->channels;
186 byte_rate = block_align * st->codec->sample_rate;
4986a429
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187 break;
188 default:
01f4895c
MN
189 block_align = st->codec->block_align;
190 byte_rate = st->codec->bit_rate / 8;
4986a429
FB
191 break;
192 }
115329f1 193
4986a429
FB
194 if (block_align <= 0 || byte_rate <= 0)
195 return -1;
196
197 /* compute the position by aligning it to block_align */
115329f1
DB
198 pos = av_rescale_rnd(timestamp * byte_rate,
199 st->time_base.num,
7b3c1382
MN
200 st->time_base.den * (int64_t)block_align,
201 (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
202 pos *= block_align;
4986a429
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203
204 /* recompute exact position */
77405fc8 205 st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
4986a429
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206 url_fseek(&s->pb, pos + s->data_offset, SEEK_SET);
207 return 0;
208}
209
cd66005d
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210/* ac3 read */
211static int ac3_read_header(AVFormatContext *s,
212 AVFormatParameters *ap)
213{
214 AVStream *st;
215
216 st = av_new_stream(s, 0);
217 if (!st)
218 return AVERROR_NOMEM;
219
01f4895c
MN
220 st->codec->codec_type = CODEC_TYPE_AUDIO;
221 st->codec->codec_id = CODEC_ID_AC3;
4986a429 222 st->need_parsing = 1;
cd66005d
FB
223 /* the parameters will be extracted from the compressed bitstream */
224 return 0;
225}
226
85ad5695
MN
227static int shorten_read_header(AVFormatContext *s,
228 AVFormatParameters *ap)
229{
230 AVStream *st;
231
232 st = av_new_stream(s, 0);
233 if (!st)
234 return AVERROR_NOMEM;
01f4895c
MN
235 st->codec->codec_type = CODEC_TYPE_AUDIO;
236 st->codec->codec_id = CODEC_ID_SHORTEN;
85ad5695
MN
237 st->need_parsing = 1;
238 /* the parameters will be extracted from the compressed bitstream */
239 return 0;
240}
241
23c99253
MN
242/* dts read */
243static int dts_read_header(AVFormatContext *s,
244 AVFormatParameters *ap)
245{
246 AVStream *st;
247
248 st = av_new_stream(s, 0);
249 if (!st)
250 return AVERROR_NOMEM;
251
01f4895c
MN
252 st->codec->codec_type = CODEC_TYPE_AUDIO;
253 st->codec->codec_id = CODEC_ID_DTS;
23c99253
MN
254 st->need_parsing = 1;
255 /* the parameters will be extracted from the compressed bitstream */
256 return 0;
257}
258
de6d9b64
FB
259/* mpeg1/h263 input */
260static int video_read_header(AVFormatContext *s,
261 AVFormatParameters *ap)
262{
263 AVStream *st;
264
c9a65ca8 265 st = av_new_stream(s, 0);
de6d9b64 266 if (!st)
c9a65ca8 267 return AVERROR_NOMEM;
de6d9b64 268
01f4895c
MN
269 st->codec->codec_type = CODEC_TYPE_VIDEO;
270 st->codec->codec_id = s->iformat->value;
4986a429
FB
271 st->need_parsing = 1;
272
27e084bd 273 /* for mjpeg, specify frame rate */
7866eeff 274 /* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/
80ce3254
MN
275 if (ap && ap->time_base.num) {
276 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
115329f1 277 } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
01f4895c
MN
278 st->codec->codec_id == CODEC_ID_MPEG4 ||
279 st->codec->codec_id == CODEC_ID_H264) {
80ce3254 280 av_set_pts_info(st, 64, 1, 25);
27e084bd 281 }
80ce3254 282
de6d9b64
FB
283 return 0;
284}
285
bb270c08
DB
286#define SEQ_START_CODE 0x000001b3
287#define GOP_START_CODE 0x000001b8
288#define PICTURE_START_CODE 0x00000100
93d3e278
MN
289#define SLICE_START_CODE 0x00000101
290#define PACK_START_CODE 0x000001ba
c9a65ca8 291
c9a65ca8
FB
292static int mpegvideo_probe(AVProbeData *p)
293{
93d3e278
MN
294 uint32_t code= -1;
295 int pic=0, seq=0, slice=0, pspack=0;
296 int i;
297
298 for(i=0; i<p->buf_size; i++){
299 code = (code<<8) + p->buf[i];
300 if ((code & 0xffffff00) == 0x100) {
301 switch(code){
302 case SEQ_START_CODE: seq++; break;
303 case PICTURE_START_CODE: pic++; break;
304 case SLICE_START_CODE: slice++; break;
305 case PACK_START_CODE: pspack++; break;
306 }
307 }
c9a65ca8 308 }
93d3e278
MN
309 if(seq && pic && slice && seq<pic && (ABS(pic-slice)-1)*10 < pic && !pspack)
310 return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
c9a65ca8
FB
311 return 0;
312}
313
d07f9043
MN
314static int h263_probe(AVProbeData *p)
315{
316 int code;
317 const uint8_t *d;
318
319 if (p->buf_size < 6)
320 return 0;
321 d = p->buf;
322 code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
323 if (code == 0x20) {
324 return 50;
325 }
326 return 0;
327}
328
c6148de2
MN
329static int h261_probe(AVProbeData *p)
330{
331 int code;
332 const uint8_t *d;
333
334 if (p->buf_size < 6)
335 return 0;
336 d = p->buf;
337 code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
338 if (code == 0x10) {
339 return 50;
340 }
341 return 0;
342}
343
85ad5695
MN
344AVInputFormat shorten_iformat = {
345 "shn",
84c63c01 346 "raw shorten",
85ad5695
MN
347 0,
348 NULL,
349 shorten_read_header,
350 raw_read_partial_packet,
351 raw_read_close,
352 .extensions = "shn",
353};
354
c9a65ca8
FB
355AVInputFormat ac3_iformat = {
356 "ac3",
357 "raw ac3",
358 0,
359 NULL,
cd66005d 360 ac3_read_header,
e15dec10 361 raw_read_partial_packet,
de6d9b64 362 raw_read_close,
bb76a117 363 .extensions = "ac3",
de6d9b64
FB
364};
365
a9e35095 366#ifdef CONFIG_MUXERS
c9a65ca8 367AVOutputFormat ac3_oformat = {
de6d9b64
FB
368 "ac3",
369 "raw ac3",
115329f1 370 "audio/x-ac3",
de6d9b64 371 "ac3",
c9a65ca8 372 0,
de6d9b64
FB
373 CODEC_ID_AC3,
374 0,
375 raw_write_header,
376 raw_write_packet,
377 raw_write_trailer,
378};
a9e35095 379#endif //CONFIG_MUXERS
de6d9b64 380
23c99253
MN
381AVInputFormat dts_iformat = {
382 "dts",
383 "raw dts",
384 0,
385 NULL,
386 dts_read_header,
387 raw_read_partial_packet,
388 raw_read_close,
389 .extensions = "dts",
390};
391
c6148de2
MN
392AVInputFormat h261_iformat = {
393 "h261",
394 "raw h261",
395 0,
396 h261_probe,
397 video_read_header,
398 raw_read_partial_packet,
399 raw_read_close,
400 .extensions = "h261",
401 .value = CODEC_ID_H261,
402};
403
a9e35095 404#ifdef CONFIG_MUXERS
1c3990db
MN
405AVOutputFormat h261_oformat = {
406 "h261",
407 "raw h261",
408 "video/x-h261",
409 "h261",
410 0,
411 0,
412 CODEC_ID_H261,
413 raw_write_header,
414 raw_write_packet,
415 raw_write_trailer,
416};
a9e35095 417#endif //CONFIG_MUXERS
1c3990db 418
d07f9043
MN
419AVInputFormat h263_iformat = {
420 "h263",
421 "raw h263",
422 0,
423 h263_probe,
424 video_read_header,
e15dec10 425 raw_read_partial_packet,
d07f9043
MN
426 raw_read_close,
427// .extensions = "h263", //FIXME remove after writing mpeg4_probe
428 .value = CODEC_ID_H263,
429};
430
a9e35095 431#ifdef CONFIG_MUXERS
c9a65ca8 432AVOutputFormat h263_oformat = {
de6d9b64
FB
433 "h263",
434 "raw h263",
435 "video/x-h263",
436 "h263",
437 0,
c9a65ca8 438 0,
de6d9b64
FB
439 CODEC_ID_H263,
440 raw_write_header,
441 raw_write_packet,
442 raw_write_trailer,
c9a65ca8 443};
a9e35095 444#endif //CONFIG_MUXERS
c9a65ca8 445
7866eeff
MN
446AVInputFormat m4v_iformat = {
447 "m4v",
448 "raw MPEG4 video format",
449 0,
2f0f5b20 450 NULL /*mpegvideo_probe*/,
7866eeff 451 video_read_header,
e15dec10 452 raw_read_partial_packet,
7866eeff 453 raw_read_close,
bb76a117
MR
454 .extensions = "m4v", //FIXME remove after writing mpeg4_probe
455 .value = CODEC_ID_MPEG4,
7866eeff
MN
456};
457
a9e35095 458#ifdef CONFIG_MUXERS
89b3d7c9
MK
459AVOutputFormat m4v_oformat = {
460 "m4v",
461 "raw MPEG4 video format",
462 NULL,
463 "m4v",
464 0,
465 CODEC_ID_NONE,
466 CODEC_ID_MPEG4,
467 raw_write_header,
468 raw_write_packet,
469 raw_write_trailer,
470};
a9e35095 471#endif //CONFIG_MUXERS
89b3d7c9 472
0da71265
MN
473AVInputFormat h264_iformat = {
474 "h264",
475 "raw H264 video format",
476 0,
477 NULL /*mpegvideo_probe*/,
478 video_read_header,
e15dec10 479 raw_read_partial_packet,
0da71265 480 raw_read_close,
ba5697d5 481 .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
0da71265
MN
482 .value = CODEC_ID_H264,
483};
484
a9e35095 485#ifdef CONFIG_MUXERS
0da71265
MN
486AVOutputFormat h264_oformat = {
487 "h264",
488 "raw H264 video format",
489 NULL,
490 "h264",
491 0,
492 CODEC_ID_NONE,
493 CODEC_ID_H264,
494 raw_write_header,
495 raw_write_packet,
496 raw_write_trailer,
497};
a9e35095 498#endif //CONFIG_MUXERS
0da71265 499
c9a65ca8
FB
500AVInputFormat mpegvideo_iformat = {
501 "mpegvideo",
502 "MPEG video",
503 0,
504 mpegvideo_probe,
de6d9b64 505 video_read_header,
e15dec10 506 raw_read_partial_packet,
de6d9b64 507 raw_read_close,
bb76a117 508 .value = CODEC_ID_MPEG1VIDEO,
de6d9b64
FB
509};
510
a9e35095 511#ifdef CONFIG_MUXERS
c9a65ca8
FB
512AVOutputFormat mpeg1video_oformat = {
513 "mpeg1video",
de6d9b64
FB
514 "MPEG video",
515 "video/x-mpeg",
e0827ba4 516 "mpg,mpeg,m1v",
de6d9b64 517 0,
c9a65ca8 518 0,
de6d9b64
FB
519 CODEC_ID_MPEG1VIDEO,
520 raw_write_header,
521 raw_write_packet,
522 raw_write_trailer,
de6d9b64 523};
a9e35095 524#endif //CONFIG_MUXERS
de6d9b64 525
a9e35095 526#ifdef CONFIG_MUXERS
6ec864da
MN
527AVOutputFormat mpeg2video_oformat = {
528 "mpeg2video",
529 "MPEG2 video",
530 NULL,
531 "m2v",
532 0,
533 0,
534 CODEC_ID_MPEG2VIDEO,
535 raw_write_header,
536 raw_write_packet,
537 raw_write_trailer,
538};
a9e35095 539#endif //CONFIG_MUXERS
6ec864da 540
c9a65ca8 541AVInputFormat mjpeg_iformat = {
27e084bd
FB
542 "mjpeg",
543 "MJPEG video",
27e084bd 544 0,
c9a65ca8 545 NULL,
27e084bd 546 video_read_header,
e15dec10 547 raw_read_partial_packet,
27e084bd 548 raw_read_close,
bb76a117
MR
549 .extensions = "mjpg,mjpeg",
550 .value = CODEC_ID_MJPEG,
27e084bd
FB
551};
552
84c63c01
AB
553AVInputFormat ingenient_iformat = {
554 "ingenient",
555 "Ingenient MJPEG",
556 0,
557 NULL,
558 video_read_header,
559 ingenient_read_packet,
560 raw_read_close,
561 .extensions = "cgi", // FIXME
562 .value = CODEC_ID_MJPEG,
563};
564
a9e35095 565#ifdef CONFIG_MUXERS
c9a65ca8
FB
566AVOutputFormat mjpeg_oformat = {
567 "mjpeg",
568 "MJPEG video",
569 "video/x-mjpeg",
570 "mjpg,mjpeg",
5ed8fafc 571 0,
5ed8fafc 572 0,
c9a65ca8 573 CODEC_ID_MJPEG,
5ed8fafc
FB
574 raw_write_header,
575 raw_write_packet,
576 raw_write_trailer,
5ed8fafc 577};
a9e35095 578#endif //CONFIG_MUXERS
5ed8fafc 579
c9a65ca8 580/* pcm formats */
764ef400 581
4986a429 582#define PCMINPUTDEF(name, long_name, ext, codec) \
764ef400
MM
583AVInputFormat pcm_ ## name ## _iformat = {\
584 #name,\
585 long_name,\
586 0,\
587 NULL,\
588 raw_read_header,\
589 raw_read_packet,\
590 raw_read_close,\
4986a429 591 pcm_read_seek,\
764ef400
MM
592 .extensions = ext,\
593 .value = codec,\
594};
595
a9e35095 596#if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
4986a429
FB
597
598#define PCMDEF(name, long_name, ext, codec) \
599 PCMINPUTDEF(name, long_name, ext, codec)
600
764ef400 601#else
5ed8fafc 602
c9a65ca8 603#define PCMDEF(name, long_name, ext, codec) \
4986a429 604 PCMINPUTDEF(name, long_name, ext, codec)\
c9a65ca8
FB
605\
606AVOutputFormat pcm_ ## name ## _oformat = {\
607 #name,\
608 long_name,\
609 NULL,\
610 ext,\
611 0,\
612 codec,\
613 0,\
614 raw_write_header,\
615 raw_write_packet,\
616 raw_write_trailer,\
5ed8fafc 617};
a9e35095 618#endif //CONFIG_MUXERS
5ed8fafc 619
5ed8fafc 620#ifdef WORDS_BIGENDIAN
c9a65ca8
FB
621#define BE_DEF(s) s
622#define LE_DEF(s) NULL
5ed8fafc 623#else
c9a65ca8
FB
624#define BE_DEF(s) NULL
625#define LE_DEF(s) s
5ed8fafc 626#endif
5ed8fafc 627
5ed8fafc 628
115329f1 629PCMDEF(s16le, "pcm signed 16 bit little endian format",
c9a65ca8 630 LE_DEF("sw"), CODEC_ID_PCM_S16LE)
5ed8fafc 631
115329f1 632PCMDEF(s16be, "pcm signed 16 bit big endian format",
c9a65ca8 633 BE_DEF("sw"), CODEC_ID_PCM_S16BE)
5ed8fafc 634
115329f1 635PCMDEF(u16le, "pcm unsigned 16 bit little endian format",
c9a65ca8 636 LE_DEF("uw"), CODEC_ID_PCM_U16LE)
5ed8fafc 637
115329f1 638PCMDEF(u16be, "pcm unsigned 16 bit big endian format",
c9a65ca8 639 BE_DEF("uw"), CODEC_ID_PCM_U16BE)
5ed8fafc 640
115329f1 641PCMDEF(s8, "pcm signed 8 bit format",
c9a65ca8 642 "sb", CODEC_ID_PCM_S8)
5ed8fafc 643
115329f1 644PCMDEF(u8, "pcm unsigned 8 bit format",
c9a65ca8 645 "ub", CODEC_ID_PCM_U8)
5ed8fafc 646
115329f1 647PCMDEF(mulaw, "pcm mu law format",
c9a65ca8 648 "ul", CODEC_ID_PCM_MULAW)
de6d9b64 649
115329f1 650PCMDEF(alaw, "pcm A law format",
c9a65ca8 651 "al", CODEC_ID_PCM_ALAW)
de6d9b64 652
5c91a675 653static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64
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654{
655 int packet_size, ret, width, height;
656 AVStream *st = s->streams[0];
657
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658 width = st->codec->width;
659 height = st->codec->height;
de6d9b64 660
01f4895c 661 packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
63167088 662 if (packet_size < 0)
71c32f19 663 return -1;
de6d9b64 664
2692067a 665 ret= av_get_packet(&s->pb, pkt, packet_size);
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666
667 pkt->stream_index = 0;
2692067a 668 if (ret != packet_size) {
0bd586c5 669 return AVERROR_IO;
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670 } else {
671 return 0;
672 }
673}
674
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675AVInputFormat rawvideo_iformat = {
676 "rawvideo",
677 "raw video format",
678 0,
679 NULL,
680 raw_read_header,
681 rawvideo_read_packet,
682 raw_read_close,
bfc7f165 683 .extensions = "yuv,cif,qcif",
bb76a117 684 .value = CODEC_ID_RAWVIDEO,
c9a65ca8
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685};
686
a9e35095 687#ifdef CONFIG_MUXERS
c9a65ca8 688AVOutputFormat rawvideo_oformat = {
de6d9b64
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689 "rawvideo",
690 "raw video format",
691 NULL,
692 "yuv",
c9a65ca8 693 0,
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694 CODEC_ID_NONE,
695 CODEC_ID_RAWVIDEO,
696 raw_write_header,
697 raw_write_packet,
698 raw_write_trailer,
de6d9b64 699};
a9e35095 700#endif //CONFIG_MUXERS
c9a65ca8 701
a9e35095 702#ifdef CONFIG_MUXERS
e928649b 703static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
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704{
705 return 0;
706}
707
708AVOutputFormat null_oformat = {
709 "null",
710 "null video format",
711 NULL,
712 NULL,
713 0,
714#ifdef WORDS_BIGENDIAN
715 CODEC_ID_PCM_S16BE,
716#else
717 CODEC_ID_PCM_S16LE,
718#endif
719 CODEC_ID_RAWVIDEO,
720 raw_write_header,
721 null_write_packet,
722 raw_write_trailer,
b1d89f82 723 .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE,
87bdd3e5 724};
a9e35095 725#endif //CONFIG_MUXERS
764ef400 726
a9e35095 727#ifndef CONFIG_MUXERS
764ef400
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728#define av_register_output_format(format)
729#endif
a9e35095 730#ifndef CONFIG_DEMUXERS
764ef400
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731#define av_register_input_format(format)
732#endif
87bdd3e5 733
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734int raw_init(void)
735{
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736
737 av_register_input_format(&shorten_iformat);
738
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739 av_register_input_format(&ac3_iformat);
740 av_register_output_format(&ac3_oformat);
741
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742 av_register_input_format(&dts_iformat);
743
c6148de2 744 av_register_input_format(&h261_iformat);
1c3990db 745 av_register_output_format(&h261_oformat);
c6148de2 746
d07f9043 747 av_register_input_format(&h263_iformat);
c9a65ca8 748 av_register_output_format(&h263_oformat);
115329f1 749
7866eeff 750 av_register_input_format(&m4v_iformat);
89b3d7c9 751 av_register_output_format(&m4v_oformat);
115329f1 752
0da71265
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753 av_register_input_format(&h264_iformat);
754 av_register_output_format(&h264_oformat);
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755
756 av_register_input_format(&mpegvideo_iformat);
757 av_register_output_format(&mpeg1video_oformat);
758
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759 av_register_output_format(&mpeg2video_oformat);
760
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761 av_register_input_format(&mjpeg_iformat);
762 av_register_output_format(&mjpeg_oformat);
115329f1 763
84c63c01 764 av_register_input_format(&ingenient_iformat);
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765
766 av_register_input_format(&pcm_s16le_iformat);
767 av_register_output_format(&pcm_s16le_oformat);
768 av_register_input_format(&pcm_s16be_iformat);
769 av_register_output_format(&pcm_s16be_oformat);
770 av_register_input_format(&pcm_u16le_iformat);
771 av_register_output_format(&pcm_u16le_oformat);
772 av_register_input_format(&pcm_u16be_iformat);
773 av_register_output_format(&pcm_u16be_oformat);
774 av_register_input_format(&pcm_s8_iformat);
775 av_register_output_format(&pcm_s8_oformat);
776 av_register_input_format(&pcm_u8_iformat);
777 av_register_output_format(&pcm_u8_oformat);
778 av_register_input_format(&pcm_mulaw_iformat);
779 av_register_output_format(&pcm_mulaw_oformat);
780 av_register_input_format(&pcm_alaw_iformat);
781 av_register_output_format(&pcm_alaw_oformat);
782
783 av_register_input_format(&rawvideo_iformat);
784 av_register_output_format(&rawvideo_oformat);
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785
786 av_register_output_format(&null_oformat);
c9a65ca8
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787 return 0;
788}