From cb4ddf7765b0a27904725fa4aea41afd17ffcecd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Wed, 6 Feb 2008 12:37:37 +0000
Subject: [PATCH] Add support for speex in ogg

Originally committed as revision 11878 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/avcodec.h        |  1 +
 libavformat/Makefile        |  1 +
 libavformat/oggdec.c        |  1 +
 libavformat/oggdec.h        |  1 +
 libavformat/oggparsespeex.c | 61 +++++++++++++++++++++++++++++++++++++
 5 files changed, 65 insertions(+)
 create mode 100644 libavformat/oggparsespeex.c

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 6761153856..146c72a574 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -276,6 +276,7 @@ enum CodecID {
     CODEC_ID_APE,
     CODEC_ID_NELLYMOSER,
     CODEC_ID_MUSEPACK8,
+    CODEC_ID_SPEEX,
 
     /* subtitle codecs */
     CODEC_ID_DVD_SUBTITLE= 0x17000,
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 9172c1b4d9..041f224a70 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -110,6 +110,7 @@ OBJS-$(CONFIG_NUV_DEMUXER)               += nuv.o riff.o
 OBJS-$(CONFIG_OGG_DEMUXER)               += oggdec.o         \
                                             oggparseflac.o   \
                                             oggparseogm.o    \
+                                            oggparsespeex.o  \
                                             oggparsetheora.o \
                                             oggparsevorbis.o \
                                             riff.o
diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 5b67291c63..96d16a8737 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -38,6 +38,7 @@
 #define DECODER_BUFFER_SIZE MAX_PAGE_SIZE
 
 static ogg_codec_t *ogg_codecs[] = {
+    &speex_codec,
     &vorbis_codec,
     &theora_codec,
     &flac_codec,
diff --git a/libavformat/oggdec.h b/libavformat/oggdec.h
index 7d91e99c0e..4e88d0e393 100644
--- a/libavformat/oggdec.h
+++ b/libavformat/oggdec.h
@@ -81,6 +81,7 @@ extern ogg_codec_t ogm_old_codec;
 extern ogg_codec_t ogm_text_codec;
 extern ogg_codec_t ogm_video_codec;
 extern ogg_codec_t old_flac_codec;
+extern ogg_codec_t speex_codec;
 extern ogg_codec_t theora_codec;
 extern ogg_codec_t vorbis_codec;
 
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
+};