Fix sliced yuv410 -> yuv420 conversion

Originally committed as revision 29272 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

Fix sliced yuv410 -> yuv420 conversion
Originally committed as revision 29272 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
5f9ae198 · Vitor Sessak · fc430e8f · 5f9ae198
Commit 5f9ae198 authored May 07, 2009 by Vitor Sessak
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Showing with 8 additions and 4 deletions

swscale.c libswscale/swscale.c +8 -4

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--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -2108,11 +2108,15 @@ static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int
    }
    if (c->dstFormat==PIX_FMT_YUV420P || c->dstFormat==PIX_FMT_YUVA420P){
-        planar2x(src[1], dst[1], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[1]);
+        planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
-        planar2x(src[2], dst[2], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[2]);
+                 srcSliceH >> 2, srcStride[1], dstStride[1]);
+        planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
+                 srcSliceH >> 2, srcStride[2], dstStride[2]);
    }else{
-        planar2x(src[1], dst[2], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[2]);
+        planar2x(src[1], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
-        planar2x(src[2], dst[1], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[1]);
+                 srcSliceH >> 2, srcStride[1], dstStride[2]);
+        planar2x(src[2], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
+                 srcSliceH >> 2, srcStride[2], dstStride[1]);
    }
    if (dst[3])
        fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);