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mp_mp3_get_lsf() added - to get decomp. frame size

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5807 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-04-24 00:49:06 +00:00
parent d6b84b02ef
commit cb4a546f54
1 changed files with 12 additions and 0 deletions
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12
libmpdemux/mp3_hdr.c
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@ -16,6 +16,18 @@ static int tabsel_123[2][3][16] = {
};
static long freqs[9] = { 44100, 48000, 32000, 22050, 24000, 16000 , 11025 , 12000 , 8000 };
int mp_mp3_get_lsf(unsigned char* hbuf){
unsigned long newhead =
hbuf[0] << 24 |
hbuf[1] << 16 |
hbuf[2] << 8 |
hbuf[3];
if( newhead & ((long)1<<20) ) {
return (newhead & ((long)1<<19)) ? 0x0 : 0x1;
}
return 1;
}
/*
* return frame size or -1 (bad frame)
*/