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Add support for speex in ogg

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Originally committed as revision 11878 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2008-02-06 12:37:37 +00:00
parent 1d67b037f7
commit cb4ddf7765
5 changed files with 65 additions and 0 deletions
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1
libavcodec/avcodec.h
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@ -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,

1
libavformat/Makefile
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@ -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

1
libavformat/oggdec.c
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@ -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,

1
libavformat/oggdec.h
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@ -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;

61
libavformat/oggparsespeex.c Normal file
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@ -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
};