Statistics
| Branch: | Revision:

ffmpeg / libavformat / oggparsespeex.c @ 470bce2b

History | View | Annotate | Download (2.14 KB)

1 cb4ddf77 Reimar Döffinger
/*
2
      Copyright (C) 2008  Reimar Döffinger
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 245976da Diego Biurrun
#include "libavutil/bswap.h"
27
#include "libavutil/avstring.h"
28
#include "libavcodec/bitstream.h"
29
#include "libavcodec/bytestream.h"
30 cb4ddf77 Reimar Döffinger
#include "avformat.h"
31
#include "oggdec.h"
32
33
static int speex_header(AVFormatContext *s, int idx) {
34 77be08ee Måns Rullgård
    struct ogg *ogg = s->priv_data;
35
    struct ogg_stream *os = ogg->streams + idx;
36 cb4ddf77 Reimar Döffinger
    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
57 77be08ee Måns Rullgård
const struct ogg_codec ff_speex_codec = {
58 cb4ddf77 Reimar Döffinger
    .magic = "Speex   ",
59
    .magicsize = 8,
60
    .header = speex_header
61
};