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| author | Michael Niedermayer <michaelni@gmx.at> | 2001-12-27 00:57:32 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2001-12-27 00:57:32 +0000 |
| commit | f15afacdf4cffe74415274a133ad462c33695e7c (patch) | |
| tree | 5bb9be89929bcfd7aa6db5f9a49c90b26575296f /postproc | |
| parent | 6ec6e3c9630629152b25271c5c4997c8eef79a87 (diff) | |
| download | ffmpeg-f15afacdf4cffe74415274a133ad462c33695e7c.tar.gz | |
output shifted by a few pixels on extreem scalings bugfix
filterPos was wrong by 0.5 pixels on downscale with -sws 1 and 2 bugfix
Originally committed as revision 3783 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc')
| -rw-r--r-- | postproc/swscale_template.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index 565d6c3461..c1033da6f2 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -1889,7 +1889,7 @@ static inline void RENAME(initFilter)(int16_t *dstFilter, int16_t *filterPos, in // printf("%d %d %d\n", filterSize, srcW, dstW); *filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1)); - xDstInSrc= xInc - 0x8000; + xDstInSrc= xInc/2 - 0x8000; for(i=0; i<dstW; i++) { int xx= (xDstInSrc>>16) - (*filterSize>>1) + 1; @@ -1937,10 +1937,10 @@ static inline void RENAME(initFilter)(int16_t *dstFilter, int16_t *filterPos, in // printf("%d %d %d\n", *filterSize, srcW, dstW); *filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1)); - xDstInSrc= xInc - 0x8000; + xDstInSrc= xInc/2 - 0x8000; for(i=0; i<dstW; i++) { - int xx= (int)((double)xDstInSrc/(double)(1<<16) - *filterSize*0.5 + 0.5); + int xx= (int)((double)xDstInSrc/(double)(1<<16) - ((*filterSize)-1)*0.5 + 0.5); int j; filterPos[i]= xx; |