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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
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@ -1889,7 +1889,7 @@ static inline void RENAME(initFilter)(int16_t *dstFilter, int16_t *filterPos, in
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// printf("%d %d %d\n", filterSize, srcW, dstW);
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*filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1));
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xDstInSrc= xInc - 0x8000;
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xDstInSrc= xInc/2 - 0x8000;
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for(i=0; i<dstW; i++)
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{
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int xx= (xDstInSrc>>16) - (*filterSize>>1) + 1;
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@ -1937,10 +1937,10 @@ static inline void RENAME(initFilter)(int16_t *dstFilter, int16_t *filterPos, in
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// printf("%d %d %d\n", *filterSize, srcW, dstW);
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*filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1));
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xDstInSrc= xInc - 0x8000;
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xDstInSrc= xInc/2 - 0x8000;
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for(i=0; i<dstW; i++)
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{
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int xx= (int)((double)xDstInSrc/(double)(1<<16) - *filterSize*0.5 + 0.5);
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int xx= (int)((double)xDstInSrc/(double)(1<<16) - ((*filterSize)-1)*0.5 + 0.5);
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int j;
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filterPos[i]= xx;
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