libavformat/jacosubenc.c

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include "avformat.h"
  20 #include "mux.h"
  21 #include "rawenc.h"
  22
  23 static int jacosub_write_header(AVFormatContext *s)
  24 {
  25     const AVCodecParameters *par = s->streams[0]->codecpar;
  26
  27     if (par->extradata_size) {
  28         avio_write(s->pb, par->extradata, par->extradata_size);
  29     }
  30     return 0;
  31 }
  32
  33 const FFOutputFormat ff_jacosub_muxer = {
  34     .p.name           = "jacosub",
  35     .p.long_name      = NULL_IF_CONFIG_SMALL("JACOsub subtitle format"),
  36     .p.mime_type      = "text/x-jacosub",
  37     .p.extensions     = "jss,js",
  38     .p.flags          = AVFMT_TS_NONSTRICT,
  39     .p.video_codec    = AV_CODEC_ID_NONE,
  40     .p.audio_codec    = AV_CODEC_ID_NONE,
  41     .p.subtitle_codec = AV_CODEC_ID_JACOSUB,
  42     .flags_internal   = FF_OFMT_FLAG_MAX_ONE_OF_EACH |
  43                         FF_OFMT_FLAG_ONLY_DEFAULT_CODECS,
  44     .write_header   = jacosub_write_header,
  45     .write_packet   = ff_raw_write_packet,
  46 };