diff options
| author | BERO <bero@geocities.co.jp> | 2003-05-14 05:08:02 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-05-14 05:08:02 +0400 |
| commit | 05858889b2261fc3a98c19e25219b435ea0f6154 (patch) | |
| tree | 2f1281f4b777f720da8423fac5665cfa9ba19bca /libavcodec/msmpeg4.c | |
| parent | d8e00c099731b8499a8c377469ac5796f5bd186c (diff) | |
decode motion & modulo optimize patch by (BERO <bero at geocities dot co dot jp>)
Originally committed as revision 1872 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/msmpeg4.c')
| -rw-r--r-- | libavcodec/msmpeg4.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c index df39315854..e4daec4e8f 100644 --- a/libavcodec/msmpeg4.c +++ b/libavcodec/msmpeg4.c @@ -1481,10 +1481,12 @@ static int msmpeg4v2_decode_motion(MpegEncContext * s, int pred, int f_code) return pred; sign = get_bits1(&s->gb); shift = f_code - 1; - val = (code - 1) << shift; - if (shift > 0) + val = code; + if (shift) { + val = (val - 1) << shift; val |= get_bits(&s->gb, shift); - val++; + val++; + } if (sign) val = -val; |