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minimum slice size fix (fixes 422P 1 line per slice, used by huffyuv)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11214 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2003-10-22 00:19:20 +00:00
parent b515f955ff
commit b23fa77744
1 changed files with 3 additions and 4 deletions
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7
postproc/swscale.c
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@ -1963,10 +1963,9 @@ SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int
int chrI= i*c->chrDstH / dstH;
int nextSlice= MAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
if(c->chrSrcVSubSample > 1)
nextSlice&= ~3; // Slices start at boundaries which are divisable through 4
else
nextSlice&= ~1; // Slices start at boundaries which are divisable through 2
nextSlice>>= c->chrSrcVSubSample;
nextSlice<<= c->chrSrcVSubSample;
if(c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
c->vLumBufSize= nextSlice - c->vLumFilterPos[i ];
if(c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))