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factorize first filter call out, this makes the code somewhat

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smaller without any speed loss.

Originally committed as revision 21514 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-28 19:44:13 +00:00
parent ecc544debd
commit 34032e26ab
1 changed files with 4 additions and 10 deletions
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14
libavcodec/h264_loopfilter.c
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@ -340,15 +340,13 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
int16_t bS4[4] = {4,4,4,4};
int16_t bS3[4] = {3,3,3,3};
int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
if(left_type)
filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
if( IS_8x8DCT(mb_type) ) {
if(left_type)
filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
} else {
if(left_type)
filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h);
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h);
@ -399,19 +397,15 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
}\
}
if(left_type)
FILTER(v,0,0);
if( edges == 1 ) {
if(left_type)
FILTER(v,0,0);
FILTER(h,1,0);
} else if( IS_8x8DCT(mb_type) ) {
if(left_type)
FILTER(v,0,0);
FILTER(v,0,2);
FILTER(h,1,0);
FILTER(h,1,2);
} else {
if(left_type)
FILTER(v,0,0);
FILTER(v,0,1);
FILTER(v,0,2);
FILTER(v,0,3);