diff options
Diffstat (limited to 'contrib/ffmpeg/libavformat/daud.c')
-rw-r--r-- | contrib/ffmpeg/libavformat/daud.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavformat/daud.c b/contrib/ffmpeg/libavformat/daud.c new file mode 100644 index 000000000..ec81b7b1c --- /dev/null +++ b/contrib/ffmpeg/libavformat/daud.c @@ -0,0 +1,58 @@ +/* + * D-Cinema audio demuxer + * 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_header(AVFormatContext *s, AVFormatParameters *ap) { + AVStream *st = av_new_stream(s, 0); + st->codec->codec_type = CODEC_TYPE_AUDIO; + st->codec->codec_id = CODEC_ID_PCM_S24DAUD; + st->codec->codec_tag = MKTAG('d', 'a', 'u', 'd'); + st->codec->channels = 6; + st->codec->sample_rate = 96000; + st->codec->bit_rate = 3 * 6 * 96000 * 8; + st->codec->block_align = 3 * 6; + st->codec->bits_per_sample = 24; + return 0; +} + +static int daud_packet(AVFormatContext *s, AVPacket *pkt) { + ByteIOContext *pb = &s->pb; + int ret, size; + if (url_feof(pb)) + return AVERROR_IO; + size = get_be16(pb); + get_be16(pb); // unknown + ret = av_get_packet(pb, pkt, size); + pkt->stream_index = 0; + return ret; +} + +AVInputFormat daud_demuxer = { + "daud", + "D-Cinema audio format", + 0, + NULL, + daud_header, + daud_packet, + NULL, + NULL, + .extensions = "302", +}; |