3 * Copyright (c) 2005 Reimar Döffinger
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 static int daud_write_header(struct AVFormatContext
*s
)
26 AVCodecContext
*codec
= s
->streams
[0]->codec
;
27 if (codec
->channels
!=6 || codec
->sample_rate
!=96000)
32 static int daud_write_packet(struct AVFormatContext
*s
, AVPacket
*pkt
)
34 if (pkt
->size
> 65535) {
35 av_log(s
, AV_LOG_ERROR
,
36 "Packet size too large for s302m. (%d > 65535)\n", pkt
->size
);
39 avio_wb16(s
->pb
, pkt
->size
);
40 avio_wb16(s
->pb
, 0x8010); // unknown
41 avio_write(s
->pb
, pkt
->data
, pkt
->size
);
45 AVOutputFormat ff_daud_muxer
= {
47 .long_name
= NULL_IF_CONFIG_SMALL("D-Cinema audio"),
49 .audio_codec
= AV_CODEC_ID_PCM_S24DAUD
,
50 .video_codec
= AV_CODEC_ID_NONE
,
51 .write_header
= daud_write_header
,
52 .write_packet
= daud_write_packet
,
53 .flags
= AVFMT_NOTIMESTAMPS
,