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raw ac3 auto detects parameters

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Originally committed as revision 1566 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2003-02-09 18:07:16 +00:00
parent 9899efb41a
commit cd66005dda
1 changed files with 17 additions and 2 deletions
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19
libavformat/raw.c
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@ -122,6 +122,22 @@ static int mp3_read_header(AVFormatContext *s,
return 0;
}
/* ac3 read */
static int ac3_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
AVStream *st;
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
st->codec.codec_type = CODEC_TYPE_AUDIO;
st->codec.codec_id = CODEC_ID_AC3;
/* the parameters will be extracted from the compressed bitstream */
return 0;
}
/* mpeg1/h263 input */
static int video_read_header(AVFormatContext *s,
AVFormatParameters *ap)
@ -207,11 +223,10 @@ AVInputFormat ac3_iformat = {
"raw ac3",
0,
NULL,
raw_read_header,
ac3_read_header,
raw_read_packet,
raw_read_close,
.extensions = "ac3",
.value = CODEC_ID_AC3,
};
AVOutputFormat ac3_oformat = {