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simplify 

Originally committed as revision 7465 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-01-14 12:47:32 +00:00
parent e8fc93136d
commit 8f36d4ba4d
1 changed files with 4 additions and 13 deletions
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17
libavformat/swf.c
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@ -800,6 +800,7 @@ static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
}
} else if ( ( tag == TAG_STREAMHEAD || tag == TAG_STREAMHEAD2 ) && !ast) {
/* streaming found */
int sample_rate_code;
get_byte(pb);
v = get_byte(pb);
swf->samples_per_frame = get_le16(pb);
@ -811,20 +812,10 @@ static int swf_read_header(AVFormatContext *s, AVFormatParameters *ap)
if (v & 0x20)
ast->codec->codec_id = CODEC_ID_MP3;
ast->need_parsing = 1;
switch((v>> 2) & 0x03) {
case 1:
ast->codec->sample_rate = 11025;
break;
case 2:
ast->codec->sample_rate = 22050;
break;
case 3:
ast->codec->sample_rate = 44100;
break;
default:
sample_rate_code= (v>>2) & 3;
if (!sample_rate_code)
return AVERROR_IO;
}
ast->codec->sample_rate = 11025 << (sample_rate_code-1);
if (len > 4)
url_fskip(pb,len-4);