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00020
00021 #include "avformat.h"
00022
00023 static int daud_header(AVFormatContext *s, AVFormatParameters *ap) {
00024 AVStream *st = av_new_stream(s, 0);
00025 st->codec->codec_type = CODEC_TYPE_AUDIO;
00026 st->codec->codec_id = CODEC_ID_PCM_S24DAUD;
00027 st->codec->codec_tag = MKTAG('d', 'a', 'u', 'd');
00028 st->codec->channels = 6;
00029 st->codec->sample_rate = 96000;
00030 st->codec->bit_rate = 3 * 6 * 96000 * 8;
00031 st->codec->block_align = 3 * 6;
00032 st->codec->bits_per_sample = 24;
00033 return 0;
00034 }
00035
00036 static int daud_packet(AVFormatContext *s, AVPacket *pkt) {
00037 ByteIOContext *pb = s->pb;
00038 int ret, size;
00039 if (url_feof(pb))
00040 return AVERROR(EIO);
00041 size = get_be16(pb);
00042 get_be16(pb);
00043 ret = av_get_packet(pb, pkt, size);
00044 pkt->stream_index = 0;
00045 return ret;
00046 }
00047
00048 AVInputFormat daud_demuxer = {
00049 "daud",
00050 "D-Cinema audio format",
00051 0,
00052 NULL,
00053 daud_header,
00054 daud_packet,
00055 NULL,
00056 NULL,
00057 .extensions = "302",
00058 };