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58 lines
1.7 KiB
58 lines
1.7 KiB
/* |
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* D-Cinema audio demuxer |
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* Copyright (c) 2005 Reimar Döffinger |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "avformat.h" |
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static int daud_header(AVFormatContext *s, AVFormatParameters *ap) { |
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AVStream *st = av_new_stream(s, 0); |
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st->codec->codec_type = CODEC_TYPE_AUDIO; |
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st->codec->codec_id = CODEC_ID_PCM_S24DAUD; |
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st->codec->codec_tag = MKTAG('d', 'a', 'u', 'd'); |
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st->codec->channels = 6; |
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st->codec->sample_rate = 96000; |
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st->codec->bit_rate = 3 * 6 * 96000 * 8; |
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st->codec->block_align = 3 * 6; |
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st->codec->bits_per_sample = 24; |
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return 0; |
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} |
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static int daud_packet(AVFormatContext *s, AVPacket *pkt) { |
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ByteIOContext *pb = s->pb; |
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int ret, size; |
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if (url_feof(pb)) |
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return AVERROR(EIO); |
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size = get_be16(pb); |
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get_be16(pb); // unknown |
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ret = av_get_packet(pb, pkt, size); |
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pkt->stream_index = 0; |
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return ret; |
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} |
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AVInputFormat daud_demuxer = { |
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"daud", |
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"D-Cinema audio format", |
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0, |
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NULL, |
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daud_header, |
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daud_packet, |
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NULL, |
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NULL, |
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.extensions = "302", |
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};
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