mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*
|
|
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 "libavutil/bswap.h"
|
|
#include "libavutil/avstring.h"
|
|
#include "libavcodec/get_bits.h"
|
|
#include "libavcodec/bytestream.h"
|
|
#include "avformat.h"
|
|
#include "oggdec.h"
|
|
|
|
static int speex_header(AVFormatContext *s, int idx) {
|
|
struct ogg *ogg = s->priv_data;
|
|
struct ogg_stream *os = ogg->streams + idx;
|
|
AVStream *st = s->streams[idx];
|
|
uint8_t *p = os->buf + os->pstart;
|
|
|
|
if (os->seq > 1)
|
|
return 0;
|
|
|
|
if (os->seq == 0) {
|
|
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;
|
|
} else
|
|
vorbis_comment(s, p, os->psize);
|
|
|
|
return 1;
|
|
}
|
|
|
|
const struct ogg_codec ff_speex_codec = {
|
|
.magic = "Speex ",
|
|
.magicsize = 8,
|
|
.header = speex_header
|
|
};
|