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| author | Michael Niedermayer <michaelni@gmx.at> | 2006-08-24 01:12:26 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-08-24 01:12:26 +0000 |
| commit | 3328ec63318141feff512a3da42bc240ce863354 (patch) | |
| tree | 5d43a0758021e38a47ab1798f6f983020f5327d6 /libavcodec/mpegaudiodec.c | |
| parent | 3c693e7743dd0e379fea3ab3d3cce8b53c52a1a7 (diff) | |
| download | ffmpeg-3328ec63318141feff512a3da42bc240ce863354.tar.gz | |
faster handling of zero coeffs in the low freq decode
Originally committed as revision 6061 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpegaudiodec.c')
| -rw-r--r-- | libavcodec/mpegaudiodec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c index 0b55ce84af..0c57508ee3 100644 --- a/libavcodec/mpegaudiodec.c +++ b/libavcodec/mpegaudiodec.c @@ -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; |