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authorMichael Niedermayer <michaelni@gmx.at>2010-01-19 22:46:58 +0000
committerMichael Niedermayer <michaelni@gmx.at>2010-01-19 22:46:58 +0000
commitc9640c17ac78c3ef0c127e4f6393e66ee5d31878 (patch)
treeb925405c4b6b5db4026bc9a226eec87db080b0b7 /libavcodec
parent0e21dcdb136a37de4a81dc638544f7e5f137c7db (diff)
downloadffmpeg-c9640c17ac78c3ef0c127e4f6393e66ee5d31878.tar.gz
skip outer pixels if possible in h264_loop_filter_luma_c().
overall 3.7% faster loop filtering (C version only) Originally committed as revision 21332 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/dsputil.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 41a63778bb..25f501a6e1 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -2999,10 +2999,12 @@ static inline void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystrid
int i_delta;
if( FFABS( p2 - p0 ) < beta ) {
+ if(tc0[i])
pix[-2*xstride] = p1 + av_clip( (( p2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - p1, -tc0[i], tc0[i] );
tc++;
}
if( FFABS( q2 - q0 ) < beta ) {
+ if(tc0[i])
pix[ xstride] = q1 + av_clip( (( q2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - q1, -tc0[i], tc0[i] );
tc++;
}