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minor optimization of the h264 loop filter

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Originally committed as revision 4198 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-05-07 16:35:24 +00:00
parent 21be92bf4d
commit bda1c56c47
1 changed files with 2 additions and 2 deletions
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4
libavcodec/dsputil.c
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@ -2667,11 +2667,11 @@ static inline void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystrid
int i_delta;
if( ABS( p2 - p0 ) < beta ) {
pix[-2*xstride] = p1 + clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0[i], tc0[i] );
pix[-2*xstride] = p1 + clip( (( p2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - p1, -tc0[i], tc0[i] );
tc++;
}
if( ABS( q2 - q0 ) < beta ) {
pix[xstride] = q1 + clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0[i], tc0[i] );
pix[ xstride] = q1 + clip( (( q2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - q1, -tc0[i], tc0[i] );
tc++;
}