av_free -> av_freep
[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
FB
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
FB
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
FB
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
FB
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
FB
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
FB
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
FB
206 url_fseek(&s->pb, pos + s->data_offset, SEEK_SET);
207 return 0;
208}
209
cd66005d
FB
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
fda885c7
MR
259/* aac read */
260static int aac_read_header(AVFormatContext *s,
261 AVFormatParameters *ap)
262{
263 AVStream *st;
264
265 st = av_new_stream(s, 0);
266 if (!st)
267 return AVERROR_NOMEM;
268
269 st->codec->codec_type = CODEC_TYPE_AUDIO;
270 st->codec->codec_id = CODEC_ID_AAC;
271 st->need_parsing = 1;
272 /* the parameters will be extracted from the compressed bitstream */
273 return 0;
274}
275
de6d9b64
FB
276/* mpeg1/h263 input */
277static int video_read_header(AVFormatContext *s,
278 AVFormatParameters *ap)
279{
280 AVStream *st;
281
c9a65ca8 282 st = av_new_stream(s, 0);
de6d9b64 283 if (!st)
c9a65ca8 284 return AVERROR_NOMEM;
de6d9b64 285
01f4895c
MN
286 st->codec->codec_type = CODEC_TYPE_VIDEO;
287 st->codec->codec_id = s->iformat->value;
4986a429
FB
288 st->need_parsing = 1;
289
27e084bd 290 /* for mjpeg, specify frame rate */
7866eeff 291 /* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/
80ce3254
MN
292 if (ap && ap->time_base.num) {
293 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
115329f1 294 } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
01f4895c
MN
295 st->codec->codec_id == CODEC_ID_MPEG4 ||
296 st->codec->codec_id == CODEC_ID_H264) {
80ce3254 297 av_set_pts_info(st, 64, 1, 25);
27e084bd 298 }
80ce3254 299
de6d9b64
FB
300 return 0;
301}
302
bb270c08
DB
303#define SEQ_START_CODE 0x000001b3
304#define GOP_START_CODE 0x000001b8
305#define PICTURE_START_CODE 0x00000100
93d3e278
MN
306#define SLICE_START_CODE 0x00000101
307#define PACK_START_CODE 0x000001ba
e01dc227
MR
308#define VIDEO_ID 0x000001e0
309#define AUDIO_ID 0x000001c0
c9a65ca8 310
c9a65ca8
FB
311static int mpegvideo_probe(AVProbeData *p)
312{
93d3e278 313 uint32_t code= -1;
e01dc227 314 int pic=0, seq=0, slice=0, pspack=0, pes=0;
93d3e278
MN
315 int i;
316
317 for(i=0; i<p->buf_size; i++){
318 code = (code<<8) + p->buf[i];
319 if ((code & 0xffffff00) == 0x100) {
320 switch(code){
321 case SEQ_START_CODE: seq++; break;
322 case PICTURE_START_CODE: pic++; break;
323 case SLICE_START_CODE: slice++; break;
324 case PACK_START_CODE: pspack++; break;
e01dc227
MR
325 case VIDEO_ID:
326 case AUDIO_ID: pes++; break;
93d3e278
MN
327 }
328 }
c9a65ca8 329 }
e01dc227 330 if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
93d3e278 331 return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
c9a65ca8
FB
332 return 0;
333}
334
d07f9043
MN
335static int h263_probe(AVProbeData *p)
336{
337 int code;
338 const uint8_t *d;
339
340 if (p->buf_size < 6)
341 return 0;
342 d = p->buf;
343 code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
344 if (code == 0x20) {
345 return 50;
346 }
347 return 0;
348}
349
c6148de2
MN
350static int h261_probe(AVProbeData *p)
351{
352 int code;
353 const uint8_t *d;
354
355 if (p->buf_size < 6)
356 return 0;
357 d = p->buf;
358 code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
359 if (code == 0x10) {
360 return 50;
361 }
362 return 0;
363}
364
85ad5695
MN
365AVInputFormat shorten_iformat = {
366 "shn",
84c63c01 367 "raw shorten",
85ad5695
MN
368 0,
369 NULL,
370 shorten_read_header,
371 raw_read_partial_packet,
372 raw_read_close,
373 .extensions = "shn",
374};
375
c9a65ca8
FB
376AVInputFormat ac3_iformat = {
377 "ac3",
378 "raw ac3",
379 0,
380 NULL,
cd66005d 381 ac3_read_header,
e15dec10 382 raw_read_partial_packet,
de6d9b64 383 raw_read_close,
bb76a117 384 .extensions = "ac3",
de6d9b64
FB
385};
386
a9e35095 387#ifdef CONFIG_MUXERS
c9a65ca8 388AVOutputFormat ac3_oformat = {
de6d9b64
FB
389 "ac3",
390 "raw ac3",
115329f1 391 "audio/x-ac3",
de6d9b64 392 "ac3",
c9a65ca8 393 0,
de6d9b64
FB
394 CODEC_ID_AC3,
395 0,
396 raw_write_header,
397 raw_write_packet,
398 raw_write_trailer,
399};
a9e35095 400#endif //CONFIG_MUXERS
de6d9b64 401
23c99253
MN
402AVInputFormat dts_iformat = {
403 "dts",
404 "raw dts",
405 0,
406 NULL,
407 dts_read_header,
408 raw_read_partial_packet,
409 raw_read_close,
410 .extensions = "dts",
411};
412
fda885c7
MR
413AVInputFormat aac_iformat = {
414 "aac",
415 "ADTS AAC",
416 0,
417 NULL,
418 aac_read_header,
419 raw_read_partial_packet,
420 raw_read_close,
421 .extensions = "aac",
422};
423
c6148de2
MN
424AVInputFormat h261_iformat = {
425 "h261",
426 "raw h261",
427 0,
428 h261_probe,
429 video_read_header,
430 raw_read_partial_packet,
431 raw_read_close,
432 .extensions = "h261",
433 .value = CODEC_ID_H261,
434};
435
a9e35095 436#ifdef CONFIG_MUXERS
1c3990db
MN
437AVOutputFormat h261_oformat = {
438 "h261",
439 "raw h261",
440 "video/x-h261",
441 "h261",
442 0,
443 0,
444 CODEC_ID_H261,
445 raw_write_header,
446 raw_write_packet,
447 raw_write_trailer,
448};
a9e35095 449#endif //CONFIG_MUXERS
1c3990db 450
d07f9043
MN
451AVInputFormat h263_iformat = {
452 "h263",
453 "raw h263",
454 0,
455 h263_probe,
456 video_read_header,
e15dec10 457 raw_read_partial_packet,
d07f9043
MN
458 raw_read_close,
459// .extensions = "h263", //FIXME remove after writing mpeg4_probe
460 .value = CODEC_ID_H263,
461};
462
a9e35095 463#ifdef CONFIG_MUXERS
c9a65ca8 464AVOutputFormat h263_oformat = {
de6d9b64
FB
465 "h263",
466 "raw h263",
467 "video/x-h263",
468 "h263",
469 0,
c9a65ca8 470 0,
de6d9b64
FB
471 CODEC_ID_H263,
472 raw_write_header,
473 raw_write_packet,
474 raw_write_trailer,
c9a65ca8 475};
a9e35095 476#endif //CONFIG_MUXERS
c9a65ca8 477
7866eeff
MN
478AVInputFormat m4v_iformat = {
479 "m4v",
480 "raw MPEG4 video format",
481 0,
2f0f5b20 482 NULL /*mpegvideo_probe*/,
7866eeff 483 video_read_header,
e15dec10 484 raw_read_partial_packet,
7866eeff 485 raw_read_close,
bb76a117
MR
486 .extensions = "m4v", //FIXME remove after writing mpeg4_probe
487 .value = CODEC_ID_MPEG4,
7866eeff
MN
488};
489
a9e35095 490#ifdef CONFIG_MUXERS
89b3d7c9
MK
491AVOutputFormat m4v_oformat = {
492 "m4v",
493 "raw MPEG4 video format",
494 NULL,
495 "m4v",
496 0,
497 CODEC_ID_NONE,
498 CODEC_ID_MPEG4,
499 raw_write_header,
500 raw_write_packet,
501 raw_write_trailer,
502};
a9e35095 503#endif //CONFIG_MUXERS
89b3d7c9 504
0da71265
MN
505AVInputFormat h264_iformat = {
506 "h264",
507 "raw H264 video format",
508 0,
509 NULL /*mpegvideo_probe*/,
510 video_read_header,
e15dec10 511 raw_read_partial_packet,
0da71265 512 raw_read_close,
ba5697d5 513 .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
0da71265
MN
514 .value = CODEC_ID_H264,
515};
516
a9e35095 517#ifdef CONFIG_MUXERS
0da71265
MN
518AVOutputFormat h264_oformat = {
519 "h264",
520 "raw H264 video format",
521 NULL,
522 "h264",
523 0,
524 CODEC_ID_NONE,
525 CODEC_ID_H264,
526 raw_write_header,
527 raw_write_packet,
528 raw_write_trailer,
529};
a9e35095 530#endif //CONFIG_MUXERS
0da71265 531
c9a65ca8
FB
532AVInputFormat mpegvideo_iformat = {
533 "mpegvideo",
534 "MPEG video",
535 0,
536 mpegvideo_probe,
de6d9b64 537 video_read_header,
e15dec10 538 raw_read_partial_packet,
de6d9b64 539 raw_read_close,
bb76a117 540 .value = CODEC_ID_MPEG1VIDEO,
de6d9b64
FB
541};
542
a9e35095 543#ifdef CONFIG_MUXERS
c9a65ca8
FB
544AVOutputFormat mpeg1video_oformat = {
545 "mpeg1video",
de6d9b64
FB
546 "MPEG video",
547 "video/x-mpeg",
e0827ba4 548 "mpg,mpeg,m1v",
de6d9b64 549 0,
c9a65ca8 550 0,
de6d9b64
FB
551 CODEC_ID_MPEG1VIDEO,
552 raw_write_header,
553 raw_write_packet,
554 raw_write_trailer,
de6d9b64 555};
a9e35095 556#endif //CONFIG_MUXERS
de6d9b64 557
a9e35095 558#ifdef CONFIG_MUXERS
6ec864da
MN
559AVOutputFormat mpeg2video_oformat = {
560 "mpeg2video",
561 "MPEG2 video",
562 NULL,
563 "m2v",
564 0,
565 0,
566 CODEC_ID_MPEG2VIDEO,
567 raw_write_header,
568 raw_write_packet,
569 raw_write_trailer,
570};
a9e35095 571#endif //CONFIG_MUXERS
6ec864da 572
c9a65ca8 573AVInputFormat mjpeg_iformat = {
27e084bd
FB
574 "mjpeg",
575 "MJPEG video",
27e084bd 576 0,
c9a65ca8 577 NULL,
27e084bd 578 video_read_header,
e15dec10 579 raw_read_partial_packet,
27e084bd 580 raw_read_close,
bb76a117
MR
581 .extensions = "mjpg,mjpeg",
582 .value = CODEC_ID_MJPEG,
27e084bd
FB
583};
584
84c63c01
AB
585AVInputFormat ingenient_iformat = {
586 "ingenient",
587 "Ingenient MJPEG",
588 0,
589 NULL,
590 video_read_header,
591 ingenient_read_packet,
592 raw_read_close,
593 .extensions = "cgi", // FIXME
594 .value = CODEC_ID_MJPEG,
595};
596
a9e35095 597#ifdef CONFIG_MUXERS
c9a65ca8
FB
598AVOutputFormat mjpeg_oformat = {
599 "mjpeg",
600 "MJPEG video",
601 "video/x-mjpeg",
602 "mjpg,mjpeg",
5ed8fafc 603 0,
5ed8fafc 604 0,
c9a65ca8 605 CODEC_ID_MJPEG,
5ed8fafc
FB
606 raw_write_header,
607 raw_write_packet,
608 raw_write_trailer,
5ed8fafc 609};
a9e35095 610#endif //CONFIG_MUXERS
5ed8fafc 611
c9a65ca8 612/* pcm formats */
764ef400 613
4986a429 614#define PCMINPUTDEF(name, long_name, ext, codec) \
764ef400
MM
615AVInputFormat pcm_ ## name ## _iformat = {\
616 #name,\
617 long_name,\
618 0,\
619 NULL,\
620 raw_read_header,\
621 raw_read_packet,\
622 raw_read_close,\
4986a429 623 pcm_read_seek,\
764ef400
MM
624 .extensions = ext,\
625 .value = codec,\
626};
627
a9e35095 628#if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
4986a429
FB
629
630#define PCMDEF(name, long_name, ext, codec) \
631 PCMINPUTDEF(name, long_name, ext, codec)
632
764ef400 633#else
5ed8fafc 634
c9a65ca8 635#define PCMDEF(name, long_name, ext, codec) \
4986a429 636 PCMINPUTDEF(name, long_name, ext, codec)\
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637\
638AVOutputFormat pcm_ ## name ## _oformat = {\
639 #name,\
640 long_name,\
641 NULL,\
642 ext,\
643 0,\
644 codec,\
645 0,\
646 raw_write_header,\
647 raw_write_packet,\
648 raw_write_trailer,\
5ed8fafc 649};
a9e35095 650#endif //CONFIG_MUXERS
5ed8fafc 651
5ed8fafc 652#ifdef WORDS_BIGENDIAN
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653#define BE_DEF(s) s
654#define LE_DEF(s) NULL
5ed8fafc 655#else
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656#define BE_DEF(s) NULL
657#define LE_DEF(s) s
5ed8fafc 658#endif
5ed8fafc 659
5ed8fafc 660
115329f1 661PCMDEF(s16le, "pcm signed 16 bit little endian format",
c9a65ca8 662 LE_DEF("sw"), CODEC_ID_PCM_S16LE)
5ed8fafc 663
115329f1 664PCMDEF(s16be, "pcm signed 16 bit big endian format",
c9a65ca8 665 BE_DEF("sw"), CODEC_ID_PCM_S16BE)
5ed8fafc 666
115329f1 667PCMDEF(u16le, "pcm unsigned 16 bit little endian format",
c9a65ca8 668 LE_DEF("uw"), CODEC_ID_PCM_U16LE)
5ed8fafc 669
115329f1 670PCMDEF(u16be, "pcm unsigned 16 bit big endian format",
c9a65ca8 671 BE_DEF("uw"), CODEC_ID_PCM_U16BE)
5ed8fafc 672
115329f1 673PCMDEF(s8, "pcm signed 8 bit format",
c9a65ca8 674 "sb", CODEC_ID_PCM_S8)
5ed8fafc 675
115329f1 676PCMDEF(u8, "pcm unsigned 8 bit format",
c9a65ca8 677 "ub", CODEC_ID_PCM_U8)
5ed8fafc 678
115329f1 679PCMDEF(mulaw, "pcm mu law format",
c9a65ca8 680 "ul", CODEC_ID_PCM_MULAW)
de6d9b64 681
115329f1 682PCMDEF(alaw, "pcm A law format",
c9a65ca8 683 "al", CODEC_ID_PCM_ALAW)
de6d9b64 684
5c91a675 685static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
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686{
687 int packet_size, ret, width, height;
688 AVStream *st = s->streams[0];
689
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690 width = st->codec->width;
691 height = st->codec->height;
de6d9b64 692
01f4895c 693 packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
63167088 694 if (packet_size < 0)
71c32f19 695 return -1;
de6d9b64 696
2692067a 697 ret= av_get_packet(&s->pb, pkt, packet_size);
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698
699 pkt->stream_index = 0;
2692067a 700 if (ret != packet_size) {
0bd586c5 701 return AVERROR_IO;
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702 } else {
703 return 0;
704 }
705}
706
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707AVInputFormat rawvideo_iformat = {
708 "rawvideo",
709 "raw video format",
710 0,
711 NULL,
712 raw_read_header,
713 rawvideo_read_packet,
714 raw_read_close,
bfc7f165 715 .extensions = "yuv,cif,qcif",
bb76a117 716 .value = CODEC_ID_RAWVIDEO,
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717};
718
a9e35095 719#ifdef CONFIG_MUXERS
c9a65ca8 720AVOutputFormat rawvideo_oformat = {
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721 "rawvideo",
722 "raw video format",
723 NULL,
724 "yuv",
c9a65ca8 725 0,
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726 CODEC_ID_NONE,
727 CODEC_ID_RAWVIDEO,
728 raw_write_header,
729 raw_write_packet,
730 raw_write_trailer,
de6d9b64 731};
a9e35095 732#endif //CONFIG_MUXERS
c9a65ca8 733
a9e35095 734#ifdef CONFIG_MUXERS
e928649b 735static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
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736{
737 return 0;
738}
739
740AVOutputFormat null_oformat = {
741 "null",
742 "null video format",
743 NULL,
744 NULL,
745 0,
746#ifdef WORDS_BIGENDIAN
747 CODEC_ID_PCM_S16BE,
748#else
749 CODEC_ID_PCM_S16LE,
750#endif
751 CODEC_ID_RAWVIDEO,
752 raw_write_header,
753 null_write_packet,
754 raw_write_trailer,
b1d89f82 755 .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE,
87bdd3e5 756};
a9e35095 757#endif //CONFIG_MUXERS
764ef400 758
a9e35095 759#ifndef CONFIG_MUXERS
764ef400
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760#define av_register_output_format(format)
761#endif
a9e35095 762#ifndef CONFIG_DEMUXERS
764ef400
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763#define av_register_input_format(format)
764#endif
87bdd3e5 765
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766int raw_init(void)
767{
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768
769 av_register_input_format(&shorten_iformat);
770
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771 av_register_input_format(&ac3_iformat);
772 av_register_output_format(&ac3_oformat);
773
fda885c7 774 av_register_input_format(&aac_iformat);
fda885c7 775
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776 av_register_input_format(&dts_iformat);
777
c6148de2 778 av_register_input_format(&h261_iformat);
1c3990db 779 av_register_output_format(&h261_oformat);
c6148de2 780
d07f9043 781 av_register_input_format(&h263_iformat);
c9a65ca8 782 av_register_output_format(&h263_oformat);
115329f1 783
7866eeff 784 av_register_input_format(&m4v_iformat);
89b3d7c9 785 av_register_output_format(&m4v_oformat);
115329f1 786
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787 av_register_input_format(&h264_iformat);
788 av_register_output_format(&h264_oformat);
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789
790 av_register_input_format(&mpegvideo_iformat);
791 av_register_output_format(&mpeg1video_oformat);
792
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793 av_register_output_format(&mpeg2video_oformat);
794
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795 av_register_input_format(&mjpeg_iformat);
796 av_register_output_format(&mjpeg_oformat);
115329f1 797
84c63c01 798 av_register_input_format(&ingenient_iformat);
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799
800 av_register_input_format(&pcm_s16le_iformat);
801 av_register_output_format(&pcm_s16le_oformat);
802 av_register_input_format(&pcm_s16be_iformat);
803 av_register_output_format(&pcm_s16be_oformat);
804 av_register_input_format(&pcm_u16le_iformat);
805 av_register_output_format(&pcm_u16le_oformat);
806 av_register_input_format(&pcm_u16be_iformat);
807 av_register_output_format(&pcm_u16be_oformat);
808 av_register_input_format(&pcm_s8_iformat);
809 av_register_output_format(&pcm_s8_oformat);
810 av_register_input_format(&pcm_u8_iformat);
811 av_register_output_format(&pcm_u8_oformat);
812 av_register_input_format(&pcm_mulaw_iformat);
813 av_register_output_format(&pcm_mulaw_oformat);
814 av_register_input_format(&pcm_alaw_iformat);
815 av_register_output_format(&pcm_alaw_oformat);
816
817 av_register_input_format(&rawvideo_iformat);
818 av_register_output_format(&rawvideo_oformat);
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819
820 av_register_output_format(&null_oformat);
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821 return 0;
822}