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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) {
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_CAVSVIDEO_MUXER
95 AVOutputFormat ff_cavsvideo_muxer = {
96  .name = "cavsvideo",
97  .long_name = NULL_IF_CONFIG_SMALL("raw Chinese AVS (Audio Video Standard) video"),
98  .extensions = "cavs",
99  .audio_codec = AV_CODEC_ID_NONE,
100  .video_codec = AV_CODEC_ID_CAVS,
101  .write_header = force_one_stream,
102  .write_packet = ff_raw_write_packet,
103  .flags = AVFMT_NOTIMESTAMPS,
104 };
105 #endif
106 
107 #if CONFIG_DATA_MUXER
108 AVOutputFormat ff_data_muxer = {
109  .name = "data",
110  .long_name = NULL_IF_CONFIG_SMALL("raw data"),
111  .write_header = force_one_stream,
112  .write_packet = ff_raw_write_packet,
113  .flags = AVFMT_NOTIMESTAMPS,
114 };
115 #endif
116 
117 #if CONFIG_DIRAC_MUXER
118 AVOutputFormat ff_dirac_muxer = {
119  .name = "dirac",
120  .long_name = NULL_IF_CONFIG_SMALL("raw Dirac"),
121  .extensions = "drc,vc2",
122  .audio_codec = AV_CODEC_ID_NONE,
123  .video_codec = AV_CODEC_ID_DIRAC,
124  .write_header = force_one_stream,
125  .write_packet = ff_raw_write_packet,
126  .flags = AVFMT_NOTIMESTAMPS,
127 };
128 #endif
129 
130 #if CONFIG_DNXHD_MUXER
131 AVOutputFormat ff_dnxhd_muxer = {
132  .name = "dnxhd",
133  .long_name = NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
134  .extensions = "dnxhd,dnxhr",
135  .audio_codec = AV_CODEC_ID_NONE,
136  .video_codec = AV_CODEC_ID_DNXHD,
137  .write_header = force_one_stream,
138  .write_packet = ff_raw_write_packet,
139  .flags = AVFMT_NOTIMESTAMPS,
140 };
141 #endif
142 
143 #if CONFIG_DTS_MUXER
144 AVOutputFormat ff_dts_muxer = {
145  .name = "dts",
146  .long_name = NULL_IF_CONFIG_SMALL("raw DTS"),
147  .mime_type = "audio/x-dca",
148  .extensions = "dts",
149  .audio_codec = AV_CODEC_ID_DTS,
150  .video_codec = AV_CODEC_ID_NONE,
151  .write_header = force_one_stream,
152  .write_packet = ff_raw_write_packet,
153  .flags = AVFMT_NOTIMESTAMPS,
154 };
155 #endif
156 
157 #if CONFIG_EAC3_MUXER
158 AVOutputFormat ff_eac3_muxer = {
159  .name = "eac3",
160  .long_name = NULL_IF_CONFIG_SMALL("raw E-AC-3"),
161  .mime_type = "audio/x-eac3",
162  .extensions = "eac3",
163  .audio_codec = AV_CODEC_ID_EAC3,
164  .video_codec = AV_CODEC_ID_NONE,
165  .write_header = force_one_stream,
166  .write_packet = ff_raw_write_packet,
167  .flags = AVFMT_NOTIMESTAMPS,
168 };
169 #endif
170 
171 #if CONFIG_G722_MUXER
172 AVOutputFormat ff_g722_muxer = {
173  .name = "g722",
174  .long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
175  .mime_type = "audio/G722",
176  .extensions = "g722",
177  .audio_codec = AV_CODEC_ID_ADPCM_G722,
178  .video_codec = AV_CODEC_ID_NONE,
179  .write_header = force_one_stream,
180  .write_packet = ff_raw_write_packet,
181  .flags = AVFMT_NOTIMESTAMPS,
182 };
183 #endif
184 
185 #if CONFIG_G723_1_MUXER
186 AVOutputFormat ff_g723_1_muxer = {
187  .name = "g723_1",
188  .long_name = NULL_IF_CONFIG_SMALL("raw G.723.1"),
189  .mime_type = "audio/g723",
190  .extensions = "tco,rco",
191  .audio_codec = AV_CODEC_ID_G723_1,
192  .video_codec = AV_CODEC_ID_NONE,
193  .write_header = force_one_stream,
194  .write_packet = ff_raw_write_packet,
195  .flags = AVFMT_NOTIMESTAMPS,
196 };
197 #endif
198 
199 #if CONFIG_GSM_MUXER
200 AVOutputFormat ff_gsm_muxer = {
201  .name = "gsm",
202  .long_name = NULL_IF_CONFIG_SMALL("raw GSM"),
203  .mime_type = "audio/x-gsm",
204  .extensions = "gsm",
205  .audio_codec = AV_CODEC_ID_GSM,
206  .video_codec = AV_CODEC_ID_NONE,
207  .write_header = force_one_stream,
208  .write_packet = ff_raw_write_packet,
209  .flags = AVFMT_NOTIMESTAMPS,
210 };
211 #endif
212 
213 #if CONFIG_H261_MUXER
214 AVOutputFormat ff_h261_muxer = {
215  .name = "h261",
216  .long_name = NULL_IF_CONFIG_SMALL("raw H.261"),
217  .mime_type = "video/x-h261",
218  .extensions = "h261",
219  .audio_codec = AV_CODEC_ID_NONE,
220  .video_codec = AV_CODEC_ID_H261,
221  .write_header = force_one_stream,
222  .write_packet = ff_raw_write_packet,
223  .flags = AVFMT_NOTIMESTAMPS,
224 };
225 #endif
226 
227 #if CONFIG_H263_MUXER
228 AVOutputFormat ff_h263_muxer = {
229  .name = "h263",
230  .long_name = NULL_IF_CONFIG_SMALL("raw H.263"),
231  .mime_type = "video/x-h263",
232  .extensions = "h263",
233  .audio_codec = AV_CODEC_ID_NONE,
234  .video_codec = AV_CODEC_ID_H263,
235  .write_header = force_one_stream,
236  .write_packet = ff_raw_write_packet,
237  .flags = AVFMT_NOTIMESTAMPS,
238 };
239 #endif
240 
241 #if CONFIG_H264_MUXER
242 static int h264_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
243 {
244  AVStream *st = s->streams[0];
245  if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
246  AV_RB24(pkt->data) != 0x000001)
247  return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
248  return 1;
249 }
250 
251 AVOutputFormat ff_h264_muxer = {
252  .name = "h264",
253  .long_name = NULL_IF_CONFIG_SMALL("raw H.264 video"),
254  .extensions = "h264,264",
255  .audio_codec = AV_CODEC_ID_NONE,
256  .video_codec = AV_CODEC_ID_H264,
257  .write_header = force_one_stream,
258  .write_packet = ff_raw_write_packet,
259  .check_bitstream = h264_check_bitstream,
260  .flags = AVFMT_NOTIMESTAMPS,
261 };
262 #endif
263 
264 #if CONFIG_HEVC_MUXER
265 static int hevc_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
266 {
267  AVStream *st = s->streams[0];
268  if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
269  AV_RB24(pkt->data) != 0x000001)
270  return ff_stream_add_bitstream_filter(st, "hevc_mp4toannexb", NULL);
271  return 1;
272 }
273 
274 AVOutputFormat ff_hevc_muxer = {
275  .name = "hevc",
276  .long_name = NULL_IF_CONFIG_SMALL("raw HEVC video"),
277  .extensions = "hevc,h265,265",
278  .audio_codec = AV_CODEC_ID_NONE,
279  .video_codec = AV_CODEC_ID_HEVC,
280  .write_header = force_one_stream,
281  .write_packet = ff_raw_write_packet,
282  .check_bitstream = hevc_check_bitstream,
283  .flags = AVFMT_NOTIMESTAMPS,
284 };
285 #endif
286 
287 #if CONFIG_M4V_MUXER
288 AVOutputFormat ff_m4v_muxer = {
289  .name = "m4v",
290  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-4 video"),
291  .extensions = "m4v",
292  .audio_codec = AV_CODEC_ID_NONE,
293  .video_codec = AV_CODEC_ID_MPEG4,
294  .write_header = force_one_stream,
295  .write_packet = ff_raw_write_packet,
296  .flags = AVFMT_NOTIMESTAMPS,
297 };
298 #endif
299 
300 #if CONFIG_MJPEG_MUXER
301 AVOutputFormat ff_mjpeg_muxer = {
302  .name = "mjpeg",
303  .long_name = NULL_IF_CONFIG_SMALL("raw MJPEG video"),
304  .mime_type = "video/x-mjpeg",
305  .extensions = "mjpg,mjpeg",
306  .audio_codec = AV_CODEC_ID_NONE,
307  .video_codec = AV_CODEC_ID_MJPEG,
308  .write_header = force_one_stream,
309  .write_packet = ff_raw_write_packet,
310  .flags = AVFMT_NOTIMESTAMPS,
311 };
312 #endif
313 
314 #if CONFIG_SINGLEJPEG_MUXER
315 AVOutputFormat ff_singlejpeg_muxer = {
316  .name = "singlejpeg",
317  .long_name = NULL_IF_CONFIG_SMALL("JPEG single image"),
318  .mime_type = "image/jpeg",
319  .audio_codec = AV_CODEC_ID_NONE,
320  .video_codec = AV_CODEC_ID_MJPEG,
321  .write_packet = ff_raw_write_packet,
322  .flags = AVFMT_NOTIMESTAMPS,
323  .write_header = force_one_stream,
324 };
325 #endif
326 
327 #if CONFIG_MLP_MUXER
328 AVOutputFormat ff_mlp_muxer = {
329  .name = "mlp",
330  .long_name = NULL_IF_CONFIG_SMALL("raw MLP"),
331  .extensions = "mlp",
332  .audio_codec = AV_CODEC_ID_MLP,
333  .video_codec = AV_CODEC_ID_NONE,
334  .write_header = force_one_stream,
335  .write_packet = ff_raw_write_packet,
336  .flags = AVFMT_NOTIMESTAMPS,
337 };
338 #endif
339 
340 #if CONFIG_MP2_MUXER
341 AVOutputFormat ff_mp2_muxer = {
342  .name = "mp2",
343  .long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
344  .mime_type = "audio/mpeg",
345  .extensions = "mp2,m2a,mpa",
346  .audio_codec = AV_CODEC_ID_MP2,
347  .video_codec = AV_CODEC_ID_NONE,
348  .write_packet = ff_raw_write_packet,
349  .flags = AVFMT_NOTIMESTAMPS,
350 };
351 #endif
352 
353 #if CONFIG_MPEG1VIDEO_MUXER
354 AVOutputFormat ff_mpeg1video_muxer = {
355  .name = "mpeg1video",
356  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-1 video"),
357  .mime_type = "video/mpeg",
358  .extensions = "mpg,mpeg,m1v",
359  .audio_codec = AV_CODEC_ID_NONE,
360  .video_codec = AV_CODEC_ID_MPEG1VIDEO,
361  .write_header = force_one_stream,
362  .write_packet = ff_raw_write_packet,
363  .flags = AVFMT_NOTIMESTAMPS,
364 };
365 #endif
366 
367 #if CONFIG_MPEG2VIDEO_MUXER
368 AVOutputFormat ff_mpeg2video_muxer = {
369  .name = "mpeg2video",
370  .long_name = NULL_IF_CONFIG_SMALL("raw MPEG-2 video"),
371  .extensions = "m2v",
372  .audio_codec = AV_CODEC_ID_NONE,
373  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
374  .write_header = force_one_stream,
375  .write_packet = ff_raw_write_packet,
376  .flags = AVFMT_NOTIMESTAMPS,
377 };
378 #endif
379 
380 #if CONFIG_RAWVIDEO_MUXER
381 AVOutputFormat ff_rawvideo_muxer = {
382  .name = "rawvideo",
383  .long_name = NULL_IF_CONFIG_SMALL("raw video"),
384  .extensions = "yuv,rgb",
385  .audio_codec = AV_CODEC_ID_NONE,
386  .video_codec = AV_CODEC_ID_RAWVIDEO,
387  .write_packet = ff_raw_write_packet,
388  .flags = AVFMT_NOTIMESTAMPS,
389 };
390 #endif
391 
392 #if CONFIG_TRUEHD_MUXER
393 AVOutputFormat ff_truehd_muxer = {
394  .name = "truehd",
395  .long_name = NULL_IF_CONFIG_SMALL("raw TrueHD"),
396  .extensions = "thd",
397  .audio_codec = AV_CODEC_ID_TRUEHD,
398  .video_codec = AV_CODEC_ID_NONE,
399  .write_header = force_one_stream,
400  .write_packet = ff_raw_write_packet,
401  .flags = AVFMT_NOTIMESTAMPS,
402 };
403 #endif
404 
405 #if CONFIG_VC1_MUXER
406 AVOutputFormat ff_vc1_muxer = {
407  .name = "vc1",
408  .long_name = NULL_IF_CONFIG_SMALL("raw VC-1 video"),
409  .extensions = "vc1",
410  .audio_codec = AV_CODEC_ID_NONE,
411  .video_codec = AV_CODEC_ID_VC1,
412  .write_header = force_one_stream,
413  .write_packet = ff_raw_write_packet,
414  .flags = AVFMT_NOTIMESTAMPS,
415 };
416 #endif
#define NULL
Definition: coverity.c:32
const char * s
Definition: avisynth_c.h:768
Bytestream IO Context.
Definition: avio.h:147
static int force_one_stream(AVFormatContext *s)
Definition: rawenc.c:35
int size
Definition: avcodec.h:1602
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:230
static AVPacket pkt
This struct describes the properties of an encoded stream.
Definition: avcodec.h:3973
Format I/O context.
Definition: avformat.h:1338
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:1406
uint8_t * data
Definition: avcodec.h:1601
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:511
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:204
#define av_log(a,...)
struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1357
#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:176
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1394
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:243
const char * name
Definition: avformat.h:524
int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: rawenc.c:29
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:196
Stream structure.
Definition: avformat.h:889
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:486
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:1380
Main libavformat public API header.
if(ret< 0)
Definition: vf_mcdeint.c:282
as in Berlin toast format
Definition: avcodec.h:534
int ff_stream_add_bitstream_filter(AVStream *st, const char *name, const char *args)
Add a bitstream filter to a stream.
Definition: utils.c:5168
int channels
Audio only.
Definition: avcodec.h:4087
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:354
AVCodecParameters * codecpar
Definition: avformat.h:1241
This structure stores compressed data.
Definition: avcodec.h:1578