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faster handling of zero coeffs in the low freq decode

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Originally committed as revision 6061 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-08-24 01:12:26 +00:00
parent 3c693e7743
commit 3328ec6331
1 changed files with 8 additions and 0 deletions
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8
libavcodec/mpegaudiodec.c
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@ -1697,6 +1697,14 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
if (get_bits_count(&s->gb) >= end_pos)
break;
y = get_vlc2(&s->gb, vlc->table, 8, 3);
if(!y){
g->sb_hybrid[s_index ] =
g->sb_hybrid[s_index+1] = 0;
s_index += 2;
continue;
}
x = y >> 4;
y = y & 0x0f;