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 & 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_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_G726_MUXER
 200 AVOutputFormat ff_g726_muxer = {
 201     .name              = "g726",
 202     .long_name         = NULL_IF_CONFIG_SMALL("raw big-endian G.726 (\"left-justified\")"),
 203     .audio_codec       = AV_CODEC_ID_ADPCM_G726,
 204     .video_codec       = AV_CODEC_ID_NONE,
 205     .write_header      = force_one_stream,
 206     .write_packet      = ff_raw_write_packet,
 207     .flags             = AVFMT_NOTIMESTAMPS,
 208 };
 209 #endif
 210
 211 #if CONFIG_G726LE_MUXER
 212 AVOutputFormat ff_g726le_muxer = {
 213     .name              = "g726le",
 214     .long_name         = NULL_IF_CONFIG_SMALL("raw little-endian G.726 (\"right-justified\")"),
 215     .audio_codec       = AV_CODEC_ID_ADPCM_G726LE,
 216     .video_codec       = AV_CODEC_ID_NONE,
 217     .write_header      = force_one_stream,
 218     .write_packet      = ff_raw_write_packet,
 219     .flags             = AVFMT_NOTIMESTAMPS,
 220 };
 221 #endif
 222
 223 #if CONFIG_GSM_MUXER
 224 AVOutputFormat ff_gsm_muxer = {
 225     .name              = "gsm",
 226     .long_name         = NULL_IF_CONFIG_SMALL("raw GSM"),
 227     .mime_type         = "audio/x-gsm",
 228     .extensions        = "gsm",
 229     .audio_codec       = AV_CODEC_ID_GSM,
 230     .video_codec       = AV_CODEC_ID_NONE,
 231     .write_header      = force_one_stream,
 232     .write_packet      = ff_raw_write_packet,
 233     .flags             = AVFMT_NOTIMESTAMPS,
 234 };
 235 #endif
 236
 237 #if CONFIG_H261_MUXER
 238 AVOutputFormat ff_h261_muxer = {
 239     .name              = "h261",
 240     .long_name         = NULL_IF_CONFIG_SMALL("raw H.261"),
 241     .mime_type         = "video/x-h261",
 242     .extensions        = "h261",
 243     .audio_codec       = AV_CODEC_ID_NONE,
 244     .video_codec       = AV_CODEC_ID_H261,
 245     .write_header      = force_one_stream,
 246     .write_packet      = ff_raw_write_packet,
 247     .flags             = AVFMT_NOTIMESTAMPS,
 248 };
 249 #endif
 250
 251 #if CONFIG_H263_MUXER
 252 AVOutputFormat ff_h263_muxer = {
 253     .name              = "h263",
 254     .long_name         = NULL_IF_CONFIG_SMALL("raw H.263"),
 255     .mime_type         = "video/x-h263",
 256     .extensions        = "h263",
 257     .audio_codec       = AV_CODEC_ID_NONE,
 258     .video_codec       = AV_CODEC_ID_H263,
 259     .write_header      = force_one_stream,
 260     .write_packet      = ff_raw_write_packet,
 261     .flags             = AVFMT_NOTIMESTAMPS,
 262 };
 263 #endif
 264
 265 #if CONFIG_H264_MUXER
 266 static int h264_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
 267 {
 268     AVStream *st = s->streams[0];
 269     if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
 270                           AV_RB24(pkt->data) != 0x000001)
 271         return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
 272     return 1;
 273 }
 274
 275 AVOutputFormat ff_h264_muxer = {
 276     .name              = "h264",
 277     .long_name         = NULL_IF_CONFIG_SMALL("raw H.264 video"),
 278     .extensions        = "h264,264",
 279     .audio_codec       = AV_CODEC_ID_NONE,
 280     .video_codec       = AV_CODEC_ID_H264,
 281     .write_header      = force_one_stream,
 282     .write_packet      = ff_raw_write_packet,
 283     .check_bitstream   = h264_check_bitstream,
 284     .flags             = AVFMT_NOTIMESTAMPS,
 285 };
 286 #endif
 287
 288 #if CONFIG_HEVC_MUXER
 289 static int hevc_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
 290 {
 291     AVStream *st = s->streams[0];
 292     if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
 293                           AV_RB24(pkt->data) != 0x000001)
 294         return ff_stream_add_bitstream_filter(st, "hevc_mp4toannexb", NULL);
 295     return 1;
 296 }
 297
 298 AVOutputFormat ff_hevc_muxer = {
 299     .name              = "hevc",
 300     .long_name         = NULL_IF_CONFIG_SMALL("raw HEVC video"),
 301     .extensions        = "hevc,h265,265",
 302     .audio_codec       = AV_CODEC_ID_NONE,
 303     .video_codec       = AV_CODEC_ID_HEVC,
 304     .write_header      = force_one_stream,
 305     .write_packet      = ff_raw_write_packet,
 306     .check_bitstream   = hevc_check_bitstream,
 307     .flags             = AVFMT_NOTIMESTAMPS,
 308 };
 309 #endif
 310
 311 #if CONFIG_M4V_MUXER
 312 AVOutputFormat ff_m4v_muxer = {
 313     .name              = "m4v",
 314     .long_name         = NULL_IF_CONFIG_SMALL("raw MPEG-4 video"),
 315     .extensions        = "m4v",
 316     .audio_codec       = AV_CODEC_ID_NONE,
 317     .video_codec       = AV_CODEC_ID_MPEG4,
 318     .write_header      = force_one_stream,
 319     .write_packet      = ff_raw_write_packet,
 320     .flags             = AVFMT_NOTIMESTAMPS,
 321 };
 322 #endif
 323
 324 #if CONFIG_MJPEG_MUXER
 325 AVOutputFormat ff_mjpeg_muxer = {
 326     .name              = "mjpeg",
 327     .long_name         = NULL_IF_CONFIG_SMALL("raw MJPEG video"),
 328     .mime_type         = "video/x-mjpeg",
 329     .extensions        = "mjpg,mjpeg",
 330     .audio_codec       = AV_CODEC_ID_NONE,
 331     .video_codec       = AV_CODEC_ID_MJPEG,
 332     .write_header      = force_one_stream,
 333     .write_packet      = ff_raw_write_packet,
 334     .flags             = AVFMT_NOTIMESTAMPS,
 335 };
 336 #endif
 337
 338 #if CONFIG_SINGLEJPEG_MUXER
 339 AVOutputFormat ff_singlejpeg_muxer = {
 340     .name              = "singlejpeg",
 341     .long_name         = NULL_IF_CONFIG_SMALL("JPEG single image"),
 342     .mime_type         = "image/jpeg",
 343     .audio_codec       = AV_CODEC_ID_NONE,
 344     .video_codec       = AV_CODEC_ID_MJPEG,
 345     .write_packet      = ff_raw_write_packet,
 346     .flags             = AVFMT_NOTIMESTAMPS,
 347     .write_header      = force_one_stream,
 348 };
 349 #endif
 350
 351 #if CONFIG_MLP_MUXER
 352 AVOutputFormat ff_mlp_muxer = {
 353     .name              = "mlp",
 354     .long_name         = NULL_IF_CONFIG_SMALL("raw MLP"),
 355     .extensions        = "mlp",
 356     .audio_codec       = AV_CODEC_ID_MLP,
 357     .video_codec       = AV_CODEC_ID_NONE,
 358     .write_header      = force_one_stream,
 359     .write_packet      = ff_raw_write_packet,
 360     .flags             = AVFMT_NOTIMESTAMPS,
 361 };
 362 #endif
 363
 364 #if CONFIG_MP2_MUXER
 365 AVOutputFormat ff_mp2_muxer = {
 366     .name              = "mp2",
 367     .long_name         = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
 368     .mime_type         = "audio/mpeg",
 369     .extensions        = "mp2,m2a,mpa",
 370     .audio_codec       = AV_CODEC_ID_MP2,
 371     .video_codec       = AV_CODEC_ID_NONE,
 372     .write_packet      = ff_raw_write_packet,
 373     .flags             = AVFMT_NOTIMESTAMPS,
 374 };
 375 #endif
 376
 377 #if CONFIG_MPEG1VIDEO_MUXER
 378 AVOutputFormat ff_mpeg1video_muxer = {
 379     .name              = "mpeg1video",
 380     .long_name         = NULL_IF_CONFIG_SMALL("raw MPEG-1 video"),
 381     .mime_type         = "video/mpeg",
 382     .extensions        = "mpg,mpeg,m1v",
 383     .audio_codec       = AV_CODEC_ID_NONE,
 384     .video_codec       = AV_CODEC_ID_MPEG1VIDEO,
 385     .write_header      = force_one_stream,
 386     .write_packet      = ff_raw_write_packet,
 387     .flags             = AVFMT_NOTIMESTAMPS,
 388 };
 389 #endif
 390
 391 #if CONFIG_MPEG2VIDEO_MUXER
 392 AVOutputFormat ff_mpeg2video_muxer = {
 393     .name              = "mpeg2video",
 394     .long_name         = NULL_IF_CONFIG_SMALL("raw MPEG-2 video"),
 395     .extensions        = "m2v",
 396     .audio_codec       = AV_CODEC_ID_NONE,
 397     .video_codec       = AV_CODEC_ID_MPEG2VIDEO,
 398     .write_header      = force_one_stream,
 399     .write_packet      = ff_raw_write_packet,
 400     .flags             = AVFMT_NOTIMESTAMPS,
 401 };
 402 #endif
 403
 404 #if CONFIG_RAWVIDEO_MUXER
 405 AVOutputFormat ff_rawvideo_muxer = {
 406     .name              = "rawvideo",
 407     .long_name         = NULL_IF_CONFIG_SMALL("raw video"),
 408     .extensions        = "yuv,rgb",
 409     .audio_codec       = AV_CODEC_ID_NONE,
 410     .video_codec       = AV_CODEC_ID_RAWVIDEO,
 411     .write_packet      = ff_raw_write_packet,
 412     .flags             = AVFMT_NOTIMESTAMPS,
 413 };
 414 #endif
 415
 416 #if CONFIG_TRUEHD_MUXER
 417 AVOutputFormat ff_truehd_muxer = {
 418     .name              = "truehd",
 419     .long_name         = NULL_IF_CONFIG_SMALL("raw TrueHD"),
 420     .extensions        = "thd",
 421     .audio_codec       = AV_CODEC_ID_TRUEHD,
 422     .video_codec       = AV_CODEC_ID_NONE,
 423     .write_header      = force_one_stream,
 424     .write_packet      = ff_raw_write_packet,
 425     .flags             = AVFMT_NOTIMESTAMPS,
 426 };
 427 #endif
 428
 429 #if CONFIG_VC1_MUXER
 430 AVOutputFormat ff_vc1_muxer = {
 431     .name              = "vc1",
 432     .long_name         = NULL_IF_CONFIG_SMALL("raw VC-1 video"),
 433     .extensions        = "vc1",
 434     .audio_codec       = AV_CODEC_ID_NONE,
 435     .video_codec       = AV_CODEC_ID_VC1,
 436     .write_header      = force_one_stream,
 437     .write_packet      = ff_raw_write_packet,
 438     .flags             = AVFMT_NOTIMESTAMPS,
 439 };
 440 #endif