/*
  * MicroDVD subtitle muxer
  * Copyright (c) 2010  Aurelien Jacobs <aurel@gnuage.org>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "avformat.h"
 #include "rawenc.h"
 
 static int microdvd_write_header(struct AVFormatContext *s)
 {
     AVCodecContext *avctx = s->streams[0]->codec;
 
     if (s->nb_streams != 1 || avctx->codec_id != CODEC_ID_MICRODVD) {
         av_log(s, AV_LOG_ERROR, "Exactly one MicroDVD stream is needed.\n");
         return -1;
     }
 
     if (avctx->extradata && avctx->extradata_size > 0) {
         avio_write(s->pb, "{DEFAULT}{}", 11);
         avio_write(s->pb, avctx->extradata, avctx->extradata_size);
         avio_flush(s->pb);
     }
     return 0;
 }
 
 AVOutputFormat ff_microdvd_muxer = {
     .name           = "microdvd",
     .long_name      = NULL_IF_CONFIG_SMALL("MicroDVD subtitle format"),
     .mime_type      = "text/x-microdvd",
     .extensions     = "sub",
     .write_header   = microdvd_write_header,
     .write_packet   = ff_raw_write_packet,
     .flags          = AVFMT_NOTIMESTAMPS,
     .subtitle_codec = CODEC_ID_MICRODVD,
 };