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[libav.git] / libavformat / raw.c
CommitLineData
115329f1 1/*
7fbde343 2 * RAW muxer and demuxer
19720f15 3 * Copyright (c) 2001 Fabrice Bellard.
84c63c01 4 * Copyright (c) 2005 Alex Beregszaszi
de6d9b64 5 *
b78e7197
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6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
19720f15
FB
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
b78e7197 11 * version 2.1 of the License, or (at your option) any later version.
de6d9b64 12 *
b78e7197 13 * FFmpeg is distributed in the hope that it will be useful,
de6d9b64 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
de6d9b64 17 *
19720f15 18 * You should have received a copy of the GNU Lesser General Public
b78e7197 19 * License along with FFmpeg; if not, write to the Free Software
5509bffa 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
de6d9b64 21 */
de6d9b64
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22#include "avformat.h"
23
a9e35095 24#ifdef CONFIG_MUXERS
de6d9b64 25/* simple formats */
5c91a675 26static int raw_write_header(struct AVFormatContext *s)
de6d9b64
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27{
28 return 0;
29}
30
ce1d2a95
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31static int flac_write_header(struct AVFormatContext *s)
32{
33 static const uint8_t header[8] = {
34 0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
35 };
36 uint8_t *streaminfo = s->streams[0]->codec->extradata;
37 int len = s->streams[0]->codec->extradata_size;
38 if(streaminfo != NULL && len > 0) {
39 put_buffer(&s->pb, header, 8);
40 put_buffer(&s->pb, streaminfo, len);
41 }
42 return 0;
43}
44
e928649b 45static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
de6d9b64 46{
e928649b 47 put_buffer(&s->pb, pkt->data, pkt->size);
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48 put_flush_packet(&s->pb);
49 return 0;
50}
51
5c91a675 52static int raw_write_trailer(struct AVFormatContext *s)
de6d9b64
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53{
54 return 0;
55}
a9e35095 56#endif //CONFIG_MUXERS
de6d9b64
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57
58/* raw input */
0c1a9eda 59static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
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60{
61 AVStream *st;
c9a65ca8 62 int id;
de6d9b64 63
c9a65ca8 64 st = av_new_stream(s, 0);
de6d9b64 65 if (!st)
c9a65ca8 66 return AVERROR_NOMEM;
c04c3282 67
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68 id = s->iformat->value;
69 if (id == CODEC_ID_RAWVIDEO) {
01f4895c 70 st->codec->codec_type = CODEC_TYPE_VIDEO;
de6d9b64 71 } else {
01f4895c 72 st->codec->codec_type = CODEC_TYPE_AUDIO;
de6d9b64 73 }
01f4895c 74 st->codec->codec_id = id;
c9a65ca8 75
01f4895c 76 switch(st->codec->codec_type) {
de6d9b64 77 case CODEC_TYPE_AUDIO:
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78 st->codec->sample_rate = ap->sample_rate;
79 st->codec->channels = ap->channels;
80 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
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81 break;
82 case CODEC_TYPE_VIDEO:
c0df9d75 83 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
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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;
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89 break;
90 default:
27e084bd 91 return -1;
de6d9b64 92 }
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93 return 0;
94}
95
2e93e3aa 96#define RAW_PACKET_SIZE 1024
de6d9b64 97
5c91a675 98static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64 99{
7866eeff 100 int ret, size;
2a6874fd 101 // AVStream *st = s->streams[0];
115329f1 102
231dd3f3 103 size= RAW_PACKET_SIZE;
de6d9b64 104
2692067a 105 ret= av_get_packet(&s->pb, pkt, size);
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106
107 pkt->stream_index = 0;
2e93e3aa 108 if (ret <= 0) {
0bd586c5 109 return AVERROR_IO;
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110 }
111 /* note: we need to modify the packet size here to handle the last
112 packet */
113 pkt->size = ret;
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114 return ret;
115}
116
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117static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
118{
119 int ret, size;
120
121 size = RAW_PACKET_SIZE;
122
123 if (av_new_packet(pkt, size) < 0)
0bd586c5 124 return AVERROR_IO;
115329f1 125
2692067a 126 pkt->pos= url_ftell(&s->pb);
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LS
127 pkt->stream_index = 0;
128 ret = get_partial_buffer(&s->pb, pkt->data, size);
129 if (ret <= 0) {
130 av_free_packet(pkt);
0bd586c5 131 return AVERROR_IO;
e15dec10
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132 }
133 pkt->size = ret;
134 return ret;
135}
136
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137// http://www.artificis.hu/files/texts/ingenient.txt
138static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
139{
140 int ret, size, w, h, unk1, unk2;
115329f1 141
84c63c01 142 if (get_le32(&s->pb) != MKTAG('M', 'J', 'P', 'G'))
bb270c08 143 return AVERROR_IO; // FIXME
84c63c01
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144
145 size = get_le32(&s->pb);
115329f1 146
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147 w = get_le16(&s->pb);
148 h = get_le16(&s->pb);
115329f1 149
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150 url_fskip(&s->pb, 8); // zero + size (padded?)
151 url_fskip(&s->pb, 2);
152 unk1 = get_le16(&s->pb);
153 unk2 = get_le16(&s->pb);
154 url_fskip(&s->pb, 22); // ascii timestamp
115329f1 155
84c63c01 156 av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
bb270c08 157 size, w, h, unk1, unk2);
84c63c01
AB
158
159 if (av_new_packet(pkt, size) < 0)
160 return AVERROR_IO;
161
162 pkt->pos = url_ftell(&s->pb);
163 pkt->stream_index = 0;
164 ret = get_buffer(&s->pb, pkt->data, size);
165 if (ret <= 0) {
166 av_free_packet(pkt);
167 return AVERROR_IO;
168 }
169 pkt->size = ret;
170 return ret;
171}
172
5c91a675 173static int raw_read_close(AVFormatContext *s)
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174{
175 return 0;
176}
177
115329f1 178int pcm_read_seek(AVFormatContext *s,
7b3c1382 179 int stream_index, int64_t timestamp, int flags)
4986a429
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180{
181 AVStream *st;
182 int block_align, byte_rate;
183 int64_t pos;
184
185 st = s->streams[0];
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186
187 block_align = st->codec->block_align ? st->codec->block_align :
188 (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
189 byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 :
190 block_align * st->codec->sample_rate;
115329f1 191
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192 if (block_align <= 0 || byte_rate <= 0)
193 return -1;
194
195 /* compute the position by aligning it to block_align */
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196 pos = av_rescale_rnd(timestamp * byte_rate,
197 st->time_base.num,
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198 st->time_base.den * (int64_t)block_align,
199 (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
200 pos *= block_align;
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201
202 /* recompute exact position */
77405fc8 203 st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
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204 url_fseek(&s->pb, pos + s->data_offset, SEEK_SET);
205 return 0;
206}
207
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208/* ac3 read */
209static int ac3_read_header(AVFormatContext *s,
210 AVFormatParameters *ap)
211{
212 AVStream *st;
213
214 st = av_new_stream(s, 0);
215 if (!st)
216 return AVERROR_NOMEM;
217
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218 st->codec->codec_type = CODEC_TYPE_AUDIO;
219 st->codec->codec_id = CODEC_ID_AC3;
4986a429 220 st->need_parsing = 1;
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221 /* the parameters will be extracted from the compressed bitstream */
222 return 0;
223}
224
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225static int shorten_read_header(AVFormatContext *s,
226 AVFormatParameters *ap)
227{
228 AVStream *st;
229
230 st = av_new_stream(s, 0);
231 if (!st)
232 return AVERROR_NOMEM;
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233 st->codec->codec_type = CODEC_TYPE_AUDIO;
234 st->codec->codec_id = CODEC_ID_SHORTEN;
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235 st->need_parsing = 1;
236 /* the parameters will be extracted from the compressed bitstream */
237 return 0;
238}
239
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BL
240/* flac read */
241static int flac_read_header(AVFormatContext *s,
242 AVFormatParameters *ap)
243{
244 AVStream *st;
245
246 st = av_new_stream(s, 0);
247 if (!st)
248 return AVERROR_NOMEM;
249 st->codec->codec_type = CODEC_TYPE_AUDIO;
250 st->codec->codec_id = CODEC_ID_FLAC;
251 st->need_parsing = 1;
252 /* the parameters will be extracted from the compressed bitstream */
253 return 0;
254}
255
23c99253
MN
256/* dts read */
257static int dts_read_header(AVFormatContext *s,
258 AVFormatParameters *ap)
259{
260 AVStream *st;
261
262 st = av_new_stream(s, 0);
263 if (!st)
264 return AVERROR_NOMEM;
265
01f4895c
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266 st->codec->codec_type = CODEC_TYPE_AUDIO;
267 st->codec->codec_id = CODEC_ID_DTS;
23c99253
MN
268 st->need_parsing = 1;
269 /* the parameters will be extracted from the compressed bitstream */
270 return 0;
271}
272
fda885c7
MR
273/* aac read */
274static int aac_read_header(AVFormatContext *s,
275 AVFormatParameters *ap)
276{
277 AVStream *st;
278
279 st = av_new_stream(s, 0);
280 if (!st)
281 return AVERROR_NOMEM;
282
283 st->codec->codec_type = CODEC_TYPE_AUDIO;
284 st->codec->codec_id = CODEC_ID_AAC;
285 st->need_parsing = 1;
286 /* the parameters will be extracted from the compressed bitstream */
287 return 0;
288}
289
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290/* mpeg1/h263 input */
291static int video_read_header(AVFormatContext *s,
292 AVFormatParameters *ap)
293{
294 AVStream *st;
295
c9a65ca8 296 st = av_new_stream(s, 0);
de6d9b64 297 if (!st)
c9a65ca8 298 return AVERROR_NOMEM;
de6d9b64 299
01f4895c
MN
300 st->codec->codec_type = CODEC_TYPE_VIDEO;
301 st->codec->codec_id = s->iformat->value;
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FB
302 st->need_parsing = 1;
303
27e084bd 304 /* for mjpeg, specify frame rate */
7866eeff 305 /* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/
c04c3282 306 if (ap->time_base.num) {
80ce3254 307 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
115329f1 308 } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
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MN
309 st->codec->codec_id == CODEC_ID_MPEG4 ||
310 st->codec->codec_id == CODEC_ID_H264) {
80ce3254 311 av_set_pts_info(st, 64, 1, 25);
27e084bd 312 }
80ce3254 313
de6d9b64
FB
314 return 0;
315}
316
bb270c08
DB
317#define SEQ_START_CODE 0x000001b3
318#define GOP_START_CODE 0x000001b8
319#define PICTURE_START_CODE 0x00000100
93d3e278
MN
320#define SLICE_START_CODE 0x00000101
321#define PACK_START_CODE 0x000001ba
e01dc227
MR
322#define VIDEO_ID 0x000001e0
323#define AUDIO_ID 0x000001c0
c9a65ca8 324
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325static int mpegvideo_probe(AVProbeData *p)
326{
93d3e278 327 uint32_t code= -1;
e01dc227 328 int pic=0, seq=0, slice=0, pspack=0, pes=0;
93d3e278
MN
329 int i;
330
331 for(i=0; i<p->buf_size; i++){
332 code = (code<<8) + p->buf[i];
333 if ((code & 0xffffff00) == 0x100) {
334 switch(code){
335 case SEQ_START_CODE: seq++; break;
336 case PICTURE_START_CODE: pic++; break;
337 case SLICE_START_CODE: slice++; break;
338 case PACK_START_CODE: pspack++; break;
e01dc227
MR
339 case VIDEO_ID:
340 case AUDIO_ID: pes++; break;
93d3e278
MN
341 }
342 }
c9a65ca8 343 }
e01dc227 344 if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
93d3e278 345 return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
c9a65ca8
FB
346 return 0;
347}
348
8f57cc5a
TV
349#define VIDEO_OBJECT_START_CODE 0x00000100
350#define VIDEO_OBJECT_LAYER_START_CODE 0x00000120
351#define VISUAL_OBJECT_START_CODE 0x000001b5
352#define VOP_START_CODE 0x000001b6
353
354static int mpeg4video_probe(AVProbeData *probe_packet)
355{
356 uint32_t temp_buffer= -1;
357 int VO=0, VOL=0, VOP = 0, VISO = 0;
358 int i;
359
360 for(i=0; i<probe_packet->buf_size; i++){
361 temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
362 if ((temp_buffer & 0xffffff00) == 0x100) {
363 switch(temp_buffer){
364 case VOP_START_CODE: VOP++; break;
365 case VISUAL_OBJECT_START_CODE: VISO++; break;
366 }
367 switch(temp_buffer & 0xfffffff0){
368 case VIDEO_OBJECT_START_CODE: VO++; break;
369 case VIDEO_OBJECT_LAYER_START_CODE: VOL++; break;
370 }
371 }
372 }
373
374 if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0)
375 return AVPROBE_SCORE_MAX/2;
376 return 0;
377}
378
d07f9043
MN
379static int h263_probe(AVProbeData *p)
380{
381 int code;
382 const uint8_t *d;
383
384 if (p->buf_size < 6)
385 return 0;
386 d = p->buf;
387 code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
388 if (code == 0x20) {
389 return 50;
390 }
391 return 0;
392}
393
c6148de2
MN
394static int h261_probe(AVProbeData *p)
395{
396 int code;
397 const uint8_t *d;
398
399 if (p->buf_size < 6)
400 return 0;
401 d = p->buf;
402 code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
403 if (code == 0x10) {
404 return 50;
405 }
406 return 0;
407}
408
7156aeb9
JR
409static int ac3_probe(AVProbeData *p)
410{
411 int score=0;
412
413 if(p->buf_size < 6)
414 return 0;
415
416 if((p->buf[0] == 0x0B) && (p->buf[1] == 0x77) && // sync word
417 ((p->buf[4] >> 6) != 3) && // fscod
418 ((p->buf[5] >> 3) <= 16)) { // bsid
419 score = AVPROBE_SCORE_MAX / 2 + 10;
420 }
421
422 return score;
423}
424
d2a067d1 425AVInputFormat shorten_demuxer = {
85ad5695 426 "shn",
84c63c01 427 "raw shorten",
85ad5695
MN
428 0,
429 NULL,
430 shorten_read_header,
431 raw_read_partial_packet,
432 raw_read_close,
e9b78eeb 433 .flags= AVFMT_GENERIC_INDEX,
85ad5695
MN
434 .extensions = "shn",
435};
436
d2a067d1 437AVInputFormat flac_demuxer = {
89ca8c49
BL
438 "flac",
439 "raw flac",
440 0,
441 NULL,
442 flac_read_header,
443 raw_read_partial_packet,
444 raw_read_close,
e9b78eeb 445 .flags= AVFMT_GENERIC_INDEX,
89ca8c49
BL
446 .extensions = "flac",
447};
448
ce1d2a95 449#ifdef CONFIG_MUXERS
d2a067d1 450AVOutputFormat flac_muxer = {
ce1d2a95
JR
451 "flac",
452 "raw flac",
453 "audio/x-flac",
454 "flac",
455 0,
456 CODEC_ID_FLAC,
457 0,
458 flac_write_header,
459 raw_write_packet,
460 raw_write_trailer,
494bbf58 461 .flags= AVFMT_NOTIMESTAMPS,
ce1d2a95
JR
462};
463#endif //CONFIG_MUXERS
464
d2a067d1 465AVInputFormat ac3_demuxer = {
c9a65ca8
FB
466 "ac3",
467 "raw ac3",
468 0,
7156aeb9 469 ac3_probe,
cd66005d 470 ac3_read_header,
e15dec10 471 raw_read_partial_packet,
de6d9b64 472 raw_read_close,
e9b78eeb 473 .flags= AVFMT_GENERIC_INDEX,
bb76a117 474 .extensions = "ac3",
de6d9b64
FB
475};
476
a9e35095 477#ifdef CONFIG_MUXERS
d2a067d1 478AVOutputFormat ac3_muxer = {
de6d9b64
FB
479 "ac3",
480 "raw ac3",
115329f1 481 "audio/x-ac3",
de6d9b64 482 "ac3",
c9a65ca8 483 0,
de6d9b64
FB
484 CODEC_ID_AC3,
485 0,
486 raw_write_header,
487 raw_write_packet,
488 raw_write_trailer,
494bbf58 489 .flags= AVFMT_NOTIMESTAMPS,
de6d9b64 490};
a9e35095 491#endif //CONFIG_MUXERS
de6d9b64 492
d2a067d1 493AVInputFormat dts_demuxer = {
23c99253
MN
494 "dts",
495 "raw dts",
496 0,
497 NULL,
498 dts_read_header,
499 raw_read_partial_packet,
500 raw_read_close,
e9b78eeb 501 .flags= AVFMT_GENERIC_INDEX,
23c99253
MN
502 .extensions = "dts",
503};
504
d2a067d1 505AVInputFormat aac_demuxer = {
fda885c7
MR
506 "aac",
507 "ADTS AAC",
508 0,
509 NULL,
510 aac_read_header,
511 raw_read_partial_packet,
512 raw_read_close,
e9b78eeb 513 .flags= AVFMT_GENERIC_INDEX,
fda885c7
MR
514 .extensions = "aac",
515};
516
d2a067d1 517AVInputFormat h261_demuxer = {
c6148de2
MN
518 "h261",
519 "raw h261",
520 0,
521 h261_probe,
522 video_read_header,
523 raw_read_partial_packet,
524 raw_read_close,
e9b78eeb 525 .flags= AVFMT_GENERIC_INDEX,
c6148de2
MN
526 .extensions = "h261",
527 .value = CODEC_ID_H261,
528};
529
a9e35095 530#ifdef CONFIG_MUXERS
d2a067d1 531AVOutputFormat h261_muxer = {
1c3990db
MN
532 "h261",
533 "raw h261",
534 "video/x-h261",
535 "h261",
536 0,
537 0,
538 CODEC_ID_H261,
539 raw_write_header,
540 raw_write_packet,
541 raw_write_trailer,
494bbf58 542 .flags= AVFMT_NOTIMESTAMPS,
1c3990db 543};
a9e35095 544#endif //CONFIG_MUXERS
1c3990db 545
d2a067d1 546AVInputFormat h263_demuxer = {
d07f9043
MN
547 "h263",
548 "raw h263",
549 0,
550 h263_probe,
551 video_read_header,
e15dec10 552 raw_read_partial_packet,
d07f9043 553 raw_read_close,
e9b78eeb 554 .flags= AVFMT_GENERIC_INDEX,
d07f9043
MN
555// .extensions = "h263", //FIXME remove after writing mpeg4_probe
556 .value = CODEC_ID_H263,
557};
558
a9e35095 559#ifdef CONFIG_MUXERS
d2a067d1 560AVOutputFormat h263_muxer = {
de6d9b64
FB
561 "h263",
562 "raw h263",
563 "video/x-h263",
564 "h263",
565 0,
c9a65ca8 566 0,
de6d9b64
FB
567 CODEC_ID_H263,
568 raw_write_header,
569 raw_write_packet,
570 raw_write_trailer,
494bbf58 571 .flags= AVFMT_NOTIMESTAMPS,
c9a65ca8 572};
a9e35095 573#endif //CONFIG_MUXERS
c9a65ca8 574
d2a067d1 575AVInputFormat m4v_demuxer = {
7866eeff
MN
576 "m4v",
577 "raw MPEG4 video format",
578 0,
8f57cc5a 579 mpeg4video_probe, /** probing for mpeg4 data */
7866eeff 580 video_read_header,
e15dec10 581 raw_read_partial_packet,
7866eeff 582 raw_read_close,
e9b78eeb 583 .flags= AVFMT_GENERIC_INDEX,
bb76a117
MR
584 .extensions = "m4v", //FIXME remove after writing mpeg4_probe
585 .value = CODEC_ID_MPEG4,
7866eeff
MN
586};
587
a9e35095 588#ifdef CONFIG_MUXERS
d2a067d1 589AVOutputFormat m4v_muxer = {
89b3d7c9
MK
590 "m4v",
591 "raw MPEG4 video format",
592 NULL,
593 "m4v",
594 0,
595 CODEC_ID_NONE,
596 CODEC_ID_MPEG4,
597 raw_write_header,
598 raw_write_packet,
599 raw_write_trailer,
494bbf58 600 .flags= AVFMT_NOTIMESTAMPS,
89b3d7c9 601};
a9e35095 602#endif //CONFIG_MUXERS
89b3d7c9 603
d2a067d1 604AVInputFormat h264_demuxer = {
0da71265
MN
605 "h264",
606 "raw H264 video format",
607 0,
608 NULL /*mpegvideo_probe*/,
609 video_read_header,
e15dec10 610 raw_read_partial_packet,
0da71265 611 raw_read_close,
e9b78eeb 612 .flags= AVFMT_GENERIC_INDEX,
ba5697d5 613 .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
0da71265
MN
614 .value = CODEC_ID_H264,
615};
616
a9e35095 617#ifdef CONFIG_MUXERS
d2a067d1 618AVOutputFormat h264_muxer = {
0da71265
MN
619 "h264",
620 "raw H264 video format",
621 NULL,
622 "h264",
623 0,
624 CODEC_ID_NONE,
625 CODEC_ID_H264,
626 raw_write_header,
627 raw_write_packet,
628 raw_write_trailer,
494bbf58 629 .flags= AVFMT_NOTIMESTAMPS,
0da71265 630};
a9e35095 631#endif //CONFIG_MUXERS
0da71265 632
d2a067d1 633AVInputFormat mpegvideo_demuxer = {
c9a65ca8
FB
634 "mpegvideo",
635 "MPEG video",
636 0,
637 mpegvideo_probe,
de6d9b64 638 video_read_header,
e15dec10 639 raw_read_partial_packet,
de6d9b64 640 raw_read_close,
e9b78eeb 641 .flags= AVFMT_GENERIC_INDEX,
bb76a117 642 .value = CODEC_ID_MPEG1VIDEO,
de6d9b64
FB
643};
644
a9e35095 645#ifdef CONFIG_MUXERS
d2a067d1 646AVOutputFormat mpeg1video_muxer = {
c9a65ca8 647 "mpeg1video",
de6d9b64
FB
648 "MPEG video",
649 "video/x-mpeg",
e0827ba4 650 "mpg,mpeg,m1v",
de6d9b64 651 0,
c9a65ca8 652 0,
de6d9b64
FB
653 CODEC_ID_MPEG1VIDEO,
654 raw_write_header,
655 raw_write_packet,
656 raw_write_trailer,
494bbf58 657 .flags= AVFMT_NOTIMESTAMPS,
de6d9b64 658};
a9e35095 659#endif //CONFIG_MUXERS
de6d9b64 660
a9e35095 661#ifdef CONFIG_MUXERS
d2a067d1 662AVOutputFormat mpeg2video_muxer = {
6ec864da
MN
663 "mpeg2video",
664 "MPEG2 video",
665 NULL,
666 "m2v",
667 0,
668 0,
669 CODEC_ID_MPEG2VIDEO,
670 raw_write_header,
671 raw_write_packet,
672 raw_write_trailer,
494bbf58 673 .flags= AVFMT_NOTIMESTAMPS,
6ec864da 674};
a9e35095 675#endif //CONFIG_MUXERS
6ec864da 676
d2a067d1 677AVInputFormat mjpeg_demuxer = {
27e084bd
FB
678 "mjpeg",
679 "MJPEG video",
27e084bd 680 0,
c9a65ca8 681 NULL,
27e084bd 682 video_read_header,
e15dec10 683 raw_read_partial_packet,
27e084bd 684 raw_read_close,
e9b78eeb 685 .flags= AVFMT_GENERIC_INDEX,
bb76a117
MR
686 .extensions = "mjpg,mjpeg",
687 .value = CODEC_ID_MJPEG,
27e084bd
FB
688};
689
d2a067d1 690AVInputFormat ingenient_demuxer = {
84c63c01
AB
691 "ingenient",
692 "Ingenient MJPEG",
693 0,
694 NULL,
695 video_read_header,
696 ingenient_read_packet,
697 raw_read_close,
e9b78eeb 698 .flags= AVFMT_GENERIC_INDEX,
84c63c01
AB
699 .extensions = "cgi", // FIXME
700 .value = CODEC_ID_MJPEG,
701};
702
a9e35095 703#ifdef CONFIG_MUXERS
d2a067d1 704AVOutputFormat mjpeg_muxer = {
c9a65ca8
FB
705 "mjpeg",
706 "MJPEG video",
707 "video/x-mjpeg",
708 "mjpg,mjpeg",
5ed8fafc 709 0,
5ed8fafc 710 0,
c9a65ca8 711 CODEC_ID_MJPEG,
5ed8fafc
FB
712 raw_write_header,
713 raw_write_packet,
714 raw_write_trailer,
494bbf58 715 .flags= AVFMT_NOTIMESTAMPS,
5ed8fafc 716};
a9e35095 717#endif //CONFIG_MUXERS
5ed8fafc 718
c9a65ca8 719/* pcm formats */
764ef400 720
4986a429 721#define PCMINPUTDEF(name, long_name, ext, codec) \
d2a067d1 722AVInputFormat pcm_ ## name ## _demuxer = {\
764ef400
MM
723 #name,\
724 long_name,\
725 0,\
726 NULL,\
727 raw_read_header,\
728 raw_read_packet,\
729 raw_read_close,\
4986a429 730 pcm_read_seek,\
e9b78eeb 731 .flags= AVFMT_GENERIC_INDEX,\
764ef400
MM
732 .extensions = ext,\
733 .value = codec,\
734};
735
2c8e2014 736#define PCMOUTPUTDEF(name, long_name, ext, codec) \
d2a067d1 737AVOutputFormat pcm_ ## name ## _muxer = {\
c9a65ca8
FB
738 #name,\
739 long_name,\
740 NULL,\
741 ext,\
742 0,\
743 codec,\
744 0,\
745 raw_write_header,\
746 raw_write_packet,\
747 raw_write_trailer,\
494bbf58 748 .flags= AVFMT_NOTIMESTAMPS,\
5ed8fafc 749};
2c8e2014
DB
750
751
752#if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
753#define PCMDEF(name, long_name, ext, codec) \
754 PCMINPUTDEF(name, long_name, ext, codec)
755#elif defined(CONFIG_MUXERS) && !defined(CONFIG_DEMUXERS)
756#define PCMDEF(name, long_name, ext, codec) \
757 PCMOUTPUTDEF(name, long_name, ext, codec)
758#elif defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
759#define PCMDEF(name, long_name, ext, codec) \
760 PCMINPUTDEF(name, long_name, ext, codec)\
761 PCMOUTPUTDEF(name, long_name, ext, codec)
762#else
763#define PCMDEF(name, long_name, ext, codec)
764#endif
5ed8fafc 765
5ed8fafc 766#ifdef WORDS_BIGENDIAN
c9a65ca8
FB
767#define BE_DEF(s) s
768#define LE_DEF(s) NULL
5ed8fafc 769#else
c9a65ca8
FB
770#define BE_DEF(s) NULL
771#define LE_DEF(s) s
5ed8fafc 772#endif
5ed8fafc 773
5ed8fafc 774
115329f1 775PCMDEF(s16le, "pcm signed 16 bit little endian format",
c9a65ca8 776 LE_DEF("sw"), CODEC_ID_PCM_S16LE)
5ed8fafc 777
115329f1 778PCMDEF(s16be, "pcm signed 16 bit big endian format",
c9a65ca8 779 BE_DEF("sw"), CODEC_ID_PCM_S16BE)
5ed8fafc 780
115329f1 781PCMDEF(u16le, "pcm unsigned 16 bit little endian format",
c9a65ca8 782 LE_DEF("uw"), CODEC_ID_PCM_U16LE)
5ed8fafc 783
115329f1 784PCMDEF(u16be, "pcm unsigned 16 bit big endian format",
c9a65ca8 785 BE_DEF("uw"), CODEC_ID_PCM_U16BE)
5ed8fafc 786
115329f1 787PCMDEF(s8, "pcm signed 8 bit format",
c9a65ca8 788 "sb", CODEC_ID_PCM_S8)
5ed8fafc 789
115329f1 790PCMDEF(u8, "pcm unsigned 8 bit format",
c9a65ca8 791 "ub", CODEC_ID_PCM_U8)
5ed8fafc 792
115329f1 793PCMDEF(mulaw, "pcm mu law format",
c9a65ca8 794 "ul", CODEC_ID_PCM_MULAW)
de6d9b64 795
115329f1 796PCMDEF(alaw, "pcm A law format",
c9a65ca8 797 "al", CODEC_ID_PCM_ALAW)
de6d9b64 798
5c91a675 799static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64
FB
800{
801 int packet_size, ret, width, height;
802 AVStream *st = s->streams[0];
803
01f4895c
MN
804 width = st->codec->width;
805 height = st->codec->height;
de6d9b64 806
01f4895c 807 packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
63167088 808 if (packet_size < 0)
71c32f19 809 return -1;
de6d9b64 810
2692067a 811 ret= av_get_packet(&s->pb, pkt, packet_size);
de6d9b64
FB
812
813 pkt->stream_index = 0;
2692067a 814 if (ret != packet_size) {
0bd586c5 815 return AVERROR_IO;
de6d9b64
FB
816 } else {
817 return 0;
818 }
819}
820
d2a067d1 821AVInputFormat rawvideo_demuxer = {
c9a65ca8
FB
822 "rawvideo",
823 "raw video format",
824 0,
825 NULL,
826 raw_read_header,
827 rawvideo_read_packet,
828 raw_read_close,
e9b78eeb 829 .flags= AVFMT_GENERIC_INDEX,
bfc7f165 830 .extensions = "yuv,cif,qcif",
bb76a117 831 .value = CODEC_ID_RAWVIDEO,
c9a65ca8
FB
832};
833
a9e35095 834#ifdef CONFIG_MUXERS
d2a067d1 835AVOutputFormat rawvideo_muxer = {
de6d9b64
FB
836 "rawvideo",
837 "raw video format",
838 NULL,
839 "yuv",
c9a65ca8 840 0,
de6d9b64
FB
841 CODEC_ID_NONE,
842 CODEC_ID_RAWVIDEO,
843 raw_write_header,
844 raw_write_packet,
845 raw_write_trailer,
494bbf58 846 .flags= AVFMT_NOTIMESTAMPS,
de6d9b64 847};
a9e35095 848#endif //CONFIG_MUXERS
c9a65ca8 849
a9e35095 850#ifdef CONFIG_MUXERS
e928649b 851static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
87bdd3e5
FB
852{
853 return 0;
854}
855
d2a067d1 856AVOutputFormat null_muxer = {
87bdd3e5
FB
857 "null",
858 "null video format",
859 NULL,
860 NULL,
861 0,
862#ifdef WORDS_BIGENDIAN
863 CODEC_ID_PCM_S16BE,
864#else
865 CODEC_ID_PCM_S16LE,
866#endif
867 CODEC_ID_RAWVIDEO,
868 raw_write_header,
869 null_write_packet,
870 raw_write_trailer,
494bbf58 871 .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
87bdd3e5 872};
a9e35095 873#endif //CONFIG_MUXERS