/*
  * D-Cinema audio muxer
  * Copyright (c) 2005 Reimar Döffinger
  *

  * 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"
 
 static int daud_write_header(struct AVFormatContext *s)
 {

     AVCodecParameters *par = s->streams[0]->codecpar;
     if (par->channels!=6 || par->sample_rate!=96000)

         return -1;
     return 0;
 }
 
 static int daud_write_packet(struct AVFormatContext *s, AVPacket *pkt)
 {
     if (pkt->size > 65535) {
         av_log(s, AV_LOG_ERROR,
                "Packet size too large for s302m. (%d > 65535)\n", pkt->size);
         return -1;
     }
     avio_wb16(s->pb, pkt->size);
     avio_wb16(s->pb, 0x8010); // unknown
     avio_write(s->pb, pkt->data, pkt->size);
     return 0;
 }
 
 AVOutputFormat ff_daud_muxer = {
     .name         = "daud",
     .long_name    = NULL_IF_CONFIG_SMALL("D-Cinema audio"),
     .extensions   = "302",
     .audio_codec  = AV_CODEC_ID_PCM_S24DAUD,
     .video_codec  = AV_CODEC_ID_NONE,
     .write_header = daud_write_header,
     .write_packet = daud_write_packet,
     .flags        = AVFMT_NOTIMESTAMPS,
 };