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authorMichael Niedermayer <michaelni@gmx.at>2014-07-03 21:42:16 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-07-03 21:42:16 +0200
commita9ce5d92e6148cbf9016052839159059905320ef (patch)
tree5f9b15ba0b597f3a0b59db4cef6ce9a855c1e278 /libavformat/dauddec.c
parent524eeaca228043c93d0f94ffe9c51149c0408f04 (diff)
parent0955e57ad07640574fc20ce0bea3c0b83982ada1 (diff)
Merge commit '0955e57ad07640574fc20ce0bea3c0b83982ada1'
* commit '0955e57ad07640574fc20ce0bea3c0b83982ada1': daud: split muxer and demuxer Conflicts: libavformat/Makefile Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/dauddec.c')
-rw-r--r--libavformat/dauddec.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/libavformat/dauddec.c b/libavformat/dauddec.c
new file mode 100644
index 0000000000..30d1200c0e
--- /dev/null
+++ b/libavformat/dauddec.c
@@ -0,0 +1,59 @@
+/*
+ * 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 "libavutil/channel_layout.h"
+#include "avformat.h"
+
+static int daud_header(AVFormatContext *s) {
+ AVStream *st = avformat_new_stream(s, NULL);
+ if (!st)
+ return AVERROR(ENOMEM);
+ st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_id = AV_CODEC_ID_PCM_S24DAUD;
+ st->codec->codec_tag = MKTAG('d', 'a', 'u', 'd');
+ st->codec->channels = 6;
+ st->codec->channel_layout = AV_CH_LAYOUT_5POINT1;
+ st->codec->sample_rate = 96000;
+ st->codec->bit_rate = 3 * 6 * 96000 * 8;
+ st->codec->block_align = 3 * 6;
+ st->codec->bits_per_coded_sample = 24;
+ return 0;
+}
+
+static int daud_packet(AVFormatContext *s, AVPacket *pkt) {
+ AVIOContext *pb = s->pb;
+ int ret, size;
+ if (url_feof(pb))
+ return AVERROR(EIO);
+ size = avio_rb16(pb);
+ avio_rb16(pb); // unknown
+ ret = av_get_packet(pb, pkt, size);
+ pkt->stream_index = 0;
+ return ret;
+}
+
+AVInputFormat ff_daud_demuxer = {
+ .name = "daud",
+ .long_name = NULL_IF_CONFIG_SMALL("D-Cinema audio"),
+ .read_header = daud_header,
+ .read_packet = daud_packet,
+ .extensions = "302,daud",
+};