1/*
2      Copyright (C) 2008  Reimar D��ffinger
3
4      Permission is hereby granted, free of charge, to any person
5      obtaining a copy of this software and associated documentation
6      files (the "Software"), to deal in the Software without
7      restriction, including without limitation the rights to use, copy,
8      modify, merge, publish, distribute, sublicense, and/or sell copies
9      of the Software, and to permit persons to whom the Software is
10      furnished to do so, subject to the following conditions:
11
12      The above copyright notice and this permission notice shall be
13      included in all copies or substantial portions of the Software.
14
15      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16      EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17      MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18      NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19      HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20      WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21      OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22      DEALINGS IN THE SOFTWARE.
23**/
24
25#include <stdlib.h>
26#include "libavutil/bswap.h"
27#include "libavutil/avstring.h"
28#include "libavcodec/bitstream.h"
29#include "libavcodec/bytestream.h"
30#include "avformat.h"
31#include "oggdec.h"
32
33static int speex_header(AVFormatContext *s, int idx) {
34    struct ogg *ogg = s->priv_data;
35    struct ogg_stream *os = ogg->streams + idx;
36    AVStream *st = s->streams[idx];
37    uint8_t *p = os->buf + os->pstart;
38
39    if (os->psize < 80)
40        return 1;
41
42    st->codec->codec_type = CODEC_TYPE_AUDIO;
43    st->codec->codec_id = CODEC_ID_SPEEX;
44
45    st->codec->sample_rate = AV_RL32(p + 36);
46    st->codec->channels = AV_RL32(p + 48);
47    st->codec->extradata_size = os->psize;
48    st->codec->extradata = av_malloc(st->codec->extradata_size);
49    memcpy(st->codec->extradata, p, st->codec->extradata_size);
50
51    st->time_base.num = 1;
52    st->time_base.den = st->codec->sample_rate;
53
54    return 0;
55}
56
57const struct ogg_codec ff_speex_codec = {
58    .magic = "Speex   ",
59    .magicsize = 8,
60    .header = speex_header
61};
62