Add support for speex in ogg

Originally committed as revision 11878 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 61 insertions, 0 deletions

diff --git a/libavformat/oggparsespeex.c b/libavformat/oggparsespeex.c
new file mode 100644
index 0000000000..a6c44271eb
--- /dev/null
+++ b/libavformat/oggparsespeex.c
@@ -0,0 +1,61 @@
+/*
+      Copyright (C) 2008  Reimar Döffinger
+
+      Permission is hereby granted, free of charge, to any person
+      obtaining a copy of this software and associated documentation
+      files (the "Software"), to deal in the Software without
+      restriction, including without limitation the rights to use, copy,
+      modify, merge, publish, distribute, sublicense, and/or sell copies
+      of the Software, and to permit persons to whom the Software is
+      furnished to do so, subject to the following conditions:
+
+      The above copyright notice and this permission notice shall be
+      included in all copies or substantial portions of the Software.
+
+      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+      EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+      MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+      NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+      HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+      WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+      OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+      DEALINGS IN THE SOFTWARE.
+**/
+
+#include <stdlib.h>
+#include "avformat.h"
+#include "bitstream.h"
+#include "bytestream.h"
+#include "bswap.h"
+#include "oggdec.h"
+#include "avstring.h"
+
+static int speex_header(AVFormatContext *s, int idx) {
+    ogg_t *ogg = s->priv_data;
+    ogg_stream_t *os = ogg->streams + idx;
+    AVStream *st = s->streams[idx];
+    uint8_t *p = os->buf + os->pstart;
+
+    if (os->psize < 80)
+        return 1;
+
+    st->codec->codec_type = CODEC_TYPE_AUDIO;
+    st->codec->codec_id = CODEC_ID_SPEEX;
+
+    st->codec->sample_rate = AV_RL32(p + 36);
+    st->codec->channels = AV_RL32(p + 48);
+    st->codec->extradata_size = os->psize;
+    st->codec->extradata = av_malloc(st->codec->extradata_size);
+    memcpy(st->codec->extradata, p, st->codec->extradata_size);
+
+    st->time_base.num = 1;
+    st->time_base.den = st->codec->sample_rate;
+
+    return 0;
+}
+
+ogg_codec_t speex_codec = {
+    .magic = "Speex   ",
+    .magicsize = 8,
+    .header = speex_header
+};