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| author | BERO <bero@geocities.co.jp> | 2003-05-14 00:32:22 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-05-14 00:32:22 +0000 |
| commit | d8e00c099731b8499a8c377469ac5796f5bd186c (patch) | |
| tree | 711680cabebcfad66236563377db4e1ee77545b6 /libavcodec/mpeg12.c | |
| parent | 7062fad6e9e5d506f2cdaa31c75c404ccd1315ab (diff) | |
| download | ffmpeg-d8e00c099731b8499a8c377469ac5796f5bd186c.tar.gz | |
bitstream reader optimize patch by (BERO <bero at geocities dot co dot jp>)
Originally committed as revision 1871 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpeg12.c')
| -rw-r--r-- | libavcodec/mpeg12.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index 3bbc843429..32d3057831 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -1223,9 +1223,7 @@ static inline int decode_dc(MpegEncContext *s, int component) if (code == 0) { diff = 0; } else { - diff = get_bits(&s->gb, code); - if ((diff & (1 << (code - 1))) == 0) - diff = (-1 << code) | (diff + 1); + diff = get_xbits(&s->gb, code); } return diff; } |