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Ignore 0-height slice in sws_scale, otherwise a final 0-height slice will

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cause libswscale to assume the incorrect slice order and complain about
slices starting in the middle.

Originally committed as revision 30246 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Reimar Döffinger 2010-01-08 19:31:33 +00:00
parent 7213abf6ba
commit 1b168a428d
1 changed files with 4 additions and 0 deletions
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4
libswscale/swscale.c
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@ -2966,6 +2966,10 @@ int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
uint8_t* src2[4]= {src[0], src[1], src[2], src[3]};
uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]};
// do not mess up sliceDir if we have a "trailing" 0-size slice
if (srcSliceH == 0)
return 0;
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
return 0;