diff options
Diffstat (limited to 'libswscale/swscale.c')
-rw-r--r-- | libswscale/swscale.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 346728d9bd..2ccf38f3bb 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -480,17 +480,18 @@ static int swscale(SwsContext *c, const uint8_t *src[], ff_init_slice_from_src(vout_slice, (uint8_t**)dst, dstStride, c->dstW, dstY, dstH, dstY >> c->chrDstVSubSample, FF_CEIL_RSHIFT(dstH, c->chrDstVSubSample)); - - hout_slice->plane[0].sliceY = lastInLumBuf + 1; - hout_slice->plane[1].sliceY = lastInChrBuf + 1; - hout_slice->plane[2].sliceY = lastInChrBuf + 1; - hout_slice->plane[3].sliceY = lastInLumBuf + 1; - - hout_slice->plane[0].sliceH = - hout_slice->plane[1].sliceH = - hout_slice->plane[2].sliceH = - hout_slice->plane[3].sliceH = 0; - hout_slice->width = dstW; + if (srcSliceY == 0) { + hout_slice->plane[0].sliceY = lastInLumBuf + 1; + hout_slice->plane[1].sliceY = lastInChrBuf + 1; + hout_slice->plane[2].sliceY = lastInChrBuf + 1; + hout_slice->plane[3].sliceY = lastInLumBuf + 1; + + hout_slice->plane[0].sliceH = + hout_slice->plane[1].sliceH = + hout_slice->plane[2].sliceH = + hout_slice->plane[3].sliceH = 0; + hout_slice->width = dstW; + } #endif for (; dstY < dstH; dstY++) { |