git.sesse.net Git - ffmpeg/blob - libavformat/rawenc.c

   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
  29 int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
  30 {
  31     avio_write(s->pb, pkt->data, pkt->size);
  32     return 0;
  33 }
  34
  35 static int force_one_stream(AVFormatContext *s)
  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