From 6208d676643864f5cc0f720e6546af8767d95bfa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Schieli?= Date: Sat, 7 Mar 2009 09:39:48 +0000 Subject: [PATCH] Let the 4th plane reach the swScale function Originally committed as revision 28868 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale --- libswscale/swscale.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/libswscale/swscale.c b/libswscale/swscale.c index c0f4b97684..1307a5076b 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -2726,7 +2726,7 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]){ int i; - uint8_t* src2[4]= {src[0], src[1], src[2]}; + uint8_t* src2[4]= {src[0], src[1], src[2], src[3]}; if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n"); @@ -2800,21 +2800,23 @@ int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, // copy strides, so they can safely be modified if (c->sliceDir == 1) { // slices go from top to bottom - int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2]}; - int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2]}; + int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2], srcStride[3]}; + int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]}; return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst, dstStride2); } else { // slices go from bottom to top => we flip the image internally uint8_t* dst2[4]= {dst[0] + (c->dstH-1)*dstStride[0], dst[1] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1], - dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]}; - int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2]}; - int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2]}; + dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2], + dst[3] + (c->dstH-1)*dstStride[3]}; + int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2], -srcStride[3]}; + int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2], -dstStride[3]}; src2[0] += (srcSliceH-1)*srcStride[0]; if (!usePal(c->srcFormat)) src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; + src2[3] += (srcSliceH-1)*srcStride[3]; return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2); }