diff options
| -rw-r--r-- | postproc/swscale.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/postproc/swscale.c b/postproc/swscale.c index d46e6167dc..508bf01497 100644 --- a/postproc/swscale.c +++ b/postproc/swscale.c @@ -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)) |