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rawenc.c
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1 /*
2  * RAW muxers
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/intreadwrite.h"
24 
25 #include "avformat.h"
26 #include "rawenc.h"
27 #include "internal.h"
28 
30 {
31  avio_write(s->pb, pkt->data, pkt->size);
32  return 0;
33 }
34 
36 {
37  if (s->nb_streams != 1) {
38  av_log(s, AV_LOG_ERROR, "%s files have exactly one stream\n",
39  s->oformat->name);
40  return AVERROR(EINVAL);
41  }
42  return 0;
43 }
44 
45 /* Note: Do not forget to add new entries to the Makefile as well. */
46 
47 #if CONFIG_AC3_MUXER
48 AVOutputFormat ff_ac3_muxer = {
49  .name = "ac3",
50  .long_name = NULL_IF_CONFIG_SMALL("raw AC-3"),
51  .mime_type = "audio/x-ac3",
52  .extensions = "ac3",
53  .audio_codec = AV_CODEC_ID_AC3,
54  .video_codec = AV_CODEC_ID_NONE,
55  .write_header = force_one_stream,
56  .write_packet = ff_raw_write_packet,
57  .flags = AVFMT_NOTIMESTAMPS,
58 };
59 #endif
60 
61 #if CONFIG_ADX_MUXER
62 
63 static int adx_write_trailer(AVFormatContext *s)
64 {
65  AVIOContext *pb = s->pb;
66  AVCodecParameters *par = s->streams[0]->codecpar;
67 
68  if (pb->seekable & AVIO_SEEKABLE_NORMAL) {
69  int64_t file_size = avio_tell(pb);
70  uint64_t sample_count = (file_size - 36) / par->channels / 18 * 32;
71  if (sample_count <= UINT32_MAX) {
72  avio_seek(pb, 12, SEEK_SET);
73  avio_wb32(pb, sample_count);
74  avio_seek(pb, file_size, SEEK_SET);
75  }
76  }
77 
78  return 0;
79 }
80 
81 AVOutputFormat ff_adx_muxer = {
82  .name = "adx",
83  .long_name = NULL_IF_CONFIG_SMALL("CRI ADX"),
84  .extensions = "adx",
85  .audio_codec = AV_CODEC_ID_ADPCM_ADX,
86  .video_codec = AV_CODEC_ID_NONE,
87  .write_header = force_one_stream,
88  .write_packet = ff_raw_write_packet,
89  .write_trailer = adx_write_trailer,
90  .flags = AVFMT_NOTIMESTAMPS,
91 };
92 #endif
93 
94 #if CONFIG_APTX_MUXER
95 AVOutputFormat ff_aptx_muxer = {
96  .name = "aptx",
97  .long_name = NULL_IF_CONFIG_SMALL("raw aptX (Audio Processing Technology for Bluetooth)"),
98  .extensions = "aptx",
99  .audio_codec = AV_CODEC_ID_APTX,
100  .video_codec = AV_CODEC_ID_NONE,
101  .write_header = force_one_stream,
102  .write_packet = ff_raw_write_packet,
103  .flags = AVFMT_NOTIMESTAMPS,
104 };
105 #endif
106 
107 #if CONFIG_CAVSVIDEO_MUXER
108 AVOutputFormat ff_cavsvideo_muxer = {
109  .name = "cavsvideo",
110  .long_name = NULL_IF_CONFIG_SMALL("raw Chinese AVS (Audio Video Standard) video"),
111  .extensions = "cavs",
112  .audio_codec = AV_CODEC_ID_NONE,
113  .video_codec = AV_CODEC_ID_CAVS,
114  .write_header = force_one_stream,
115  .write_packet = ff_raw_write_packet,
116  .flags = AVFMT_NOTIMESTAMPS,
117 };
118 #endif
119 
120 #if CONFIG_DATA_MUXER
121 AVOutputFormat ff_data_muxer = {
122  .name = "data",
123  .long_name = NULL_IF_CONFIG_SMALL("raw data"),
124  .write_header = force_one_stream,
125  .write_packet = ff_raw_write_packet,
126  .flags = AVFMT_NOTIMESTAMPS,
127 };
128 #endif
129 
130 #if CONFIG_DIRAC_MUXER
131 AVOutputFormat ff_dirac_muxer = {
132  .name = "dirac",
133  .long_name = NULL_IF_CONFIG_SMALL("raw Dirac"),
134  .extensions = "drc,vc2",
135  .audio_codec = AV_CODEC_ID_NONE,
136  .video_codec = AV_CODEC_ID_DIRAC,
137  .write_header = force_one_stream,
138  .write_packet = ff_raw_write_packet,
139  .flags = AVFMT_NOTIMESTAMPS,
140 };
141 #endif
142 
143 #if CONFIG_DNXHD_MUXER
144 AVOutputFormat ff_dnxhd_muxer = {
145  .name = "dnxhd",
146  .long_name = NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
147  .extensions = "dnxhd,dnxhr",
148  .audio_codec = AV_CODEC_ID_NONE,
149  .video_codec = AV_CODEC_ID_DNXHD,
150  .write_header = force_one_stream,
151  .write_packet = ff_raw_write_packet,
152  .flags = AVFMT_NOTIMESTAMPS,
153 };
154 #endif
155 
156 #if CONFIG_DTS_MUXER
157 AVOutputFormat ff_dts_muxer = {
158  .name = "dts",
159  .long_name = NULL_IF_CONFIG_SMALL("raw DTS"),
160  .mime_type = "audio/x-dca",
161  .extensions = "dts",
162  .audio_codec = AV_CODEC_ID_DTS,
163  .video_codec = AV_CODEC_ID_NONE,
164  .write_header = force_one_stream,
165  .write_packet = ff_raw_write_packet,
166  .flags = AVFMT_NOTIMESTAMPS,
167 };
168 #endif
169 
170 #if CONFIG_EAC3_MUXER
171 AVOutputFormat ff_eac3_muxer = {
172  .name = "eac3",
173  .long_name = NULL_IF_CONFIG_SMALL("raw E-AC-3"),
174  .mime_type = "audio/x-eac3",
175  .extensions = "eac3",
176  .audio_codec = AV_CODEC_ID_EAC3,
177  .video_codec = AV_CODEC_ID_NONE,
178  .write_header = force_one_stream,
179  .write_packet = ff_raw_write_packet,
180  .flags = AVFMT_NOTIMESTAMPS,
181 };
182 #endif
183 
184 #if CONFIG_G722_MUXER
185 AVOutputFormat ff_g722_muxer = {
186  .name = "g722",
187  .long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
188  .mime_type = "audio/G722",
189  .extensions = "g722",
190  .audio_codec = AV_CODEC_ID_ADPCM_G722,
191  .video_codec = AV_CODEC_ID_NONE,
192  .write_header = force_one_stream,
193  .write_packet = ff_raw_write_packet,
194  .flags = AVFMT_NOTIMESTAMPS,
195 };
196 #endif
197 
198 #if CONFIG_G723_1_MUXER
199 AVOutputFormat ff_g723_1_muxer = {
200  .name = "g723_1",
201  .long_name = NULL_IF_CONFIG_SMALL("raw G.723.1"),
202  .mime_type = "audio/g723",
203  .extensions = "tco,rco",
204  .audio_codec = AV_CODEC_ID_G723_1,
205  .video_codec = AV_CODEC_ID_NONE,
206  .write_header = force_one_stream,
207  .write_packet = ff_raw_write_packet,
208  .flags = AVFMT_NOTIMESTAMPS,
209 };
210 #endif
211 
212 #if CONFIG_G726_MUXER
213 AVOutputFormat ff_g726_muxer = {
214  .name = "g726",
215  .long_name = NULL_IF_CONFIG_SMALL("raw big-endian G.726 (\"left-justified\")"),
216  .audio_codec = AV_CODEC_ID_ADPCM_G726,
217  .video_codec = AV_CODEC_ID_NONE,
218  .write_header = force_one_stream,
219  .write_packet = ff_raw_write_packet,
220  .flags = AVFMT_NOTIMESTAMPS,
221 };
222 #endif
223 
224 #if CONFIG_G726LE_MUXER
225 AVOutputFormat ff_g726le_muxer = {
226  .name = "g726le",
227  .long_name = NULL_IF_CONFIG_SMALL("raw little-endian G.726 (\"right-justified\")"),
228  .audio_codec = AV_CODEC_ID_ADPCM_G726LE,
229  .video_codec = AV_CODEC_ID_NONE,
230  .write_header = force_one_stream,
231  .write_packet = ff_raw_write_packet,
232  .flags = AVFMT_NOTIMESTAMPS,
233 };
234 #endif
235 
236 #if CONFIG_GSM_MUXER
237 AVOutputFormat ff_gsm_muxer = {
238  .name = "gsm",
239  .long_name = NULL_IF_CONFIG_SMALL("raw GSM"),
240  .mime_type = "audio/x-gsm",
241  .extensions = "gsm",
242  .audio_codec = AV_CODEC_ID_GSM,
243  .video_codec = AV_CODEC_ID_NONE,
244  .write_header = force_one_stream,
245  .write_packet = ff_raw_write_packet,
246  .flags = AVFMT_NOTIMESTAMPS,
247 };
248 #endif
249 
250 #if CONFIG_H261_MUXER
251 AVOutputFormat ff_h261_muxer = {
252  .name = "h261",
253  .long_name = NULL_IF_CONFIG_SMALL("raw H.261"),
254  .mime_type = "video/x-h261",
255  .extensions = "h261",
256  .audio_codec = AV_CODEC_ID_NONE,
257  .video_codec = AV_CODEC_ID_H261,
258  .write_header = force_one_stream,
259  .write_packet = ff_raw_write_packet,
260  .flags = AVFMT_NOTIMESTAMPS,
261 };
262 #endif
263 
264 #if CONFIG_H263_MUXER
265 AVOutputFormat ff_h263_muxer = {
266  .name = "h263",
267  .long_name = NULL_IF_CONFIG_SMALL("raw H.263"),
268  .mime_type = "video/x-h263",
269  .extensions = "h263",
270  .audio_codec = AV_CODEC_ID_NONE,
271  .video_codec = AV_CODEC_ID_H263,
272  .write_header = force_one_stream,
273  .write_packet = ff_raw_write_packet,
274  .flags = AVFMT_NOTIMESTAMPS,
275 };
276 #endif
277 
278 #if CONFIG_H264_MUXER
279 static int h264_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
280 {
281  AVStream *st = s->streams[0];
282  if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
283  AV_RB24(pkt->data) != 0x000001)
284  return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
285  return 1;
286 }
287 
288 AVOutputFormat ff_h264_muxer = {
289  .name = "h264",
290  .long_name = NULL_IF_CONFIG_SMALL("raw H.264 video"),
291  .extensions = "h264,264",
292  .audio_codec = AV_CODEC_ID_NONE,
293  .video_codec = AV_CODEC_ID_H264,
294  .write_header = force_one_stream,
295  .write_packet = ff_raw_write_packet,
296  .check_bitstream = h264_check_bitstream,
297  .flags = AVFMT_NOTIMESTAMPS,
298 };
299 #endif
300 
301 #if CONFIG_HEVC_MUXER
302 static int hevc_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
303 {
304  AVStream *st = s->streams[0];
305  if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
306  AV_RB24(pkt->data) != 0x000001)
307  return ff_stream_add_bitstream_filter(st, "hevc_mp4toannexb", NULL);
308  return 1;
309 }
310 
311 AVOutputFormat ff_hevc_muxer = {
312  .name = "hevc",
313  .long_name = NULL_IF_CONFIG_SMALL("raw HEVC video"),
314  .extensions = "hevc,h265,265",
315  .audio_codec = AV_CODEC_ID_NONE,
316  .video_codec = AV_CODEC_ID_HEVC,
317  .write_header = force_one_stream,
318  .write_packet = ff_raw_write_packet,
319  .check_bitstream = hevc_check_bitstream,
320  .flags = AVFMT_NOTIMESTAMPS,
321 };
322 #endif
323 
324 #if CONFIG_M4V_MUXER
325 AVOutputFormat ff_m4v_muxer = {
326  .name = "m4v",
327  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-4 video"),
328  .extensions = "m4v",
329  .audio_codec = AV_CODEC_ID_NONE,
330  .video_codec = AV_CODEC_ID_MPEG4,
331  .write_header = force_one_stream,
332  .write_packet = ff_raw_write_packet,
333  .flags = AVFMT_NOTIMESTAMPS,
334 };
335 #endif
336 
337 #if CONFIG_MJPEG_MUXER
338 AVOutputFormat ff_mjpeg_muxer = {
339  .name = "mjpeg",
340  .long_name = NULL_IF_CONFIG_SMALL("raw MJPEG video"),
341  .mime_type = "video/x-mjpeg",
342  .extensions = "mjpg,mjpeg",
343  .audio_codec = AV_CODEC_ID_NONE,
344  .video_codec = AV_CODEC_ID_MJPEG,
345  .write_header = force_one_stream,
346  .write_packet = ff_raw_write_packet,
347  .flags = AVFMT_NOTIMESTAMPS,
348 };
349 #endif
350 
351 #if CONFIG_SINGLEJPEG_MUXER
352 AVOutputFormat ff_singlejpeg_muxer = {
353  .name = "singlejpeg",
354  .long_name = NULL_IF_CONFIG_SMALL("JPEG single image"),
355  .mime_type = "image/jpeg",
356  .audio_codec = AV_CODEC_ID_NONE,
357  .video_codec = AV_CODEC_ID_MJPEG,
358  .write_packet = ff_raw_write_packet,
359  .flags = AVFMT_NOTIMESTAMPS,
360  .write_header = force_one_stream,
361 };
362 #endif
363 
364 #if CONFIG_MLP_MUXER
365 AVOutputFormat ff_mlp_muxer = {
366  .name = "mlp",
367  .long_name = NULL_IF_CONFIG_SMALL("raw MLP"),
368  .extensions = "mlp",
369  .audio_codec = AV_CODEC_ID_MLP,
370  .video_codec = AV_CODEC_ID_NONE,
371  .write_header = force_one_stream,
372  .write_packet = ff_raw_write_packet,
373  .flags = AVFMT_NOTIMESTAMPS,
374 };
375 #endif
376 
377 #if CONFIG_MP2_MUXER
378 AVOutputFormat ff_mp2_muxer = {
379  .name = "mp2",
380  .long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
381  .mime_type = "audio/mpeg",
382  .extensions = "mp2,m2a,mpa",
383  .audio_codec = AV_CODEC_ID_MP2,
384  .video_codec = AV_CODEC_ID_NONE,
385  .write_packet = ff_raw_write_packet,
386  .flags = AVFMT_NOTIMESTAMPS,
387 };
388 #endif
389 
390 #if CONFIG_MPEG1VIDEO_MUXER
391 AVOutputFormat ff_mpeg1video_muxer = {
392  .name = "mpeg1video",
393  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-1 video"),
394  .mime_type = "video/mpeg",
395  .extensions = "mpg,mpeg,m1v",
396  .audio_codec = AV_CODEC_ID_NONE,
397  .video_codec = AV_CODEC_ID_MPEG1VIDEO,
398  .write_header = force_one_stream,
399  .write_packet = ff_raw_write_packet,
400  .flags = AVFMT_NOTIMESTAMPS,
401 };
402 #endif
403 
404 #if CONFIG_MPEG2VIDEO_MUXER
405 AVOutputFormat ff_mpeg2video_muxer = {
406  .name = "mpeg2video",
407  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-2 video"),
408  .extensions = "m2v",
409  .audio_codec = AV_CODEC_ID_NONE,
410  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
411  .write_header = force_one_stream,
412  .write_packet = ff_raw_write_packet,
413  .flags = AVFMT_NOTIMESTAMPS,
414 };
415 #endif
416 
417 #if CONFIG_RAWVIDEO_MUXER
418 AVOutputFormat ff_rawvideo_muxer = {
419  .name = "rawvideo",
420  .long_name = NULL_IF_CONFIG_SMALL("raw video"),
421  .extensions = "yuv,rgb",
422  .audio_codec = AV_CODEC_ID_NONE,
423  .video_codec = AV_CODEC_ID_RAWVIDEO,
424  .write_packet = ff_raw_write_packet,
425  .flags = AVFMT_NOTIMESTAMPS,
426 };
427 #endif
428 
429 #if CONFIG_TRUEHD_MUXER
430 AVOutputFormat ff_truehd_muxer = {
431  .name = "truehd",
432  .long_name = NULL_IF_CONFIG_SMALL("raw TrueHD"),
433  .extensions = "thd",
434  .audio_codec = AV_CODEC_ID_TRUEHD,
435  .video_codec = AV_CODEC_ID_NONE,
436  .write_header = force_one_stream,
437  .write_packet = ff_raw_write_packet,
438  .flags = AVFMT_NOTIMESTAMPS,
439 };
440 #endif
441 
442 #if CONFIG_VC1_MUXER
443 AVOutputFormat ff_vc1_muxer = {
444  .name = "vc1",
445  .long_name = NULL_IF_CONFIG_SMALL("raw VC-1 video"),
446  .extensions = "vc1",
447  .audio_codec = AV_CODEC_ID_NONE,
448  .video_codec = AV_CODEC_ID_VC1,
449  .write_header = force_one_stream,
450  .write_packet = ff_raw_write_packet,
451  .flags = AVFMT_NOTIMESTAMPS,
452 };
453 #endif
#define NULL
Definition: coverity.c:32
const char * s
Definition: avisynth_c.h:768
Bytestream IO Context.
Definition: avio.h:161
static int force_one_stream(AVFormatContext *s)
Definition: rawenc.c:35
int size
Definition: avcodec.h:1415
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:244
static AVPacket pkt
This struct describes the properties of an encoded stream.
Definition: avcodec.h:3830
Format I/O context.
Definition: avformat.h:1325
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
Definition: bytestream.h:87
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1393
uint8_t * data
Definition: avcodec.h:1414
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:216
#define av_log(a,...)
struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1344
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#define AVERROR(e)
Definition: error.h:43
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1381
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:260
const char * name
Definition: avformat.h:507
int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: rawenc.c:29
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
Stream structure.
Definition: avformat.h:872
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:469
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:40
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_RB24
Definition: bytestream.h:87
AVIOContext * pb
I/O context.
Definition: avformat.h:1367
Main libavformat public API header.
if(ret< 0)
Definition: vf_mcdeint.c:279
as in Berlin toast format
Definition: avcodec.h:569
int ff_stream_add_bitstream_filter(AVStream *st, const char *name, const char *args)
Add a bitstream filter to a stream.
Definition: utils.c:5330
int channels
Audio only.
Definition: avcodec.h:3944
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1014
This structure stores compressed data.
Definition: avcodec.h:1391