LCOV - code coverage report
Current view: top level - libavformat - rawenc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 29 32 90.6 %
Date: 2017-12-17 23:02:56 Functions: 5 5 100.0 %

          Line data    Source code
       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      216334 : int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
      30             : {
      31      216334 :     avio_write(s->pb, pkt->data, pkt->size);
      32      216334 :     return 0;
      33             : }
      34             : 
      35         123 : static int force_one_stream(AVFormatContext *s)
      36             : {
      37         123 :     if (s->nb_streams != 1) {
      38           0 :         av_log(s, AV_LOG_ERROR, "%s files have exactly one stream\n",
      39           0 :                s->oformat->name);
      40           0 :         return AVERROR(EINVAL);
      41             :     }
      42         123 :     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           2 : static int adx_write_trailer(AVFormatContext *s)
      64             : {
      65           2 :     AVIOContext *pb = s->pb;
      66           2 :     AVCodecParameters *par = s->streams[0]->codecpar;
      67             : 
      68           2 :     if (pb->seekable & AVIO_SEEKABLE_NORMAL) {
      69           2 :         int64_t file_size = avio_tell(pb);
      70           2 :         uint64_t sample_count = (file_size - 36) / par->channels / 18 * 32;
      71           2 :         if (sample_count <= UINT32_MAX) {
      72           2 :             avio_seek(pb, 12, SEEK_SET);
      73           2 :             avio_wb32(pb, sample_count);
      74           2 :             avio_seek(pb, file_size, SEEK_SET);
      75             :         }
      76             :     }
      77             : 
      78           2 :     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          18 : static int h264_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
     280             : {
     281          18 :     AVStream *st = s->streams[0];
     282          20 :     if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
     283           2 :                           AV_RB24(pkt->data) != 0x000001)
     284           2 :         return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
     285          16 :     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          20 : static int hevc_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
     303             : {
     304          20 :     AVStream *st = s->streams[0];
     305          21 :     if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
     306           1 :                           AV_RB24(pkt->data) != 0x000001)
     307           1 :         return ff_stream_add_bitstream_filter(st, "hevc_mp4toannexb", NULL);
     308          19 :     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

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