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-rw-r--r--postproc/swscale_template.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c
index 0ce0dfb514..c00e3e08eb 100644
--- a/postproc/swscale_template.c
+++ b/postproc/swscale_template.c
@@ -2589,7 +2589,7 @@ FUNNYUVCODE
}
static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+ int srcSliceH, uint8_t* dstParam[], int dstStrideParam[]){
/* load a few things into local vars to make the code more readable? and faster */
const int srcW= c->srcW;
@@ -2630,6 +2630,7 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
int lastInLumBuf= c->lastInLumBuf;
int lastInChrBuf= c->lastInChrBuf;
int srcStride[3];
+ int dstStride[3];
uint8_t *src[3];
uint8_t *dst[3];
@@ -2666,15 +2667,20 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
srcStride[2]= 0;
}
- if(c->dstFormat == IMGFMT_I420){
+ if(dstFormat == IMGFMT_I420){
dst[0]= dstParam[0];
dst[1]= dstParam[2];
dst[2]= dstParam[1];
-
+ dstStride[0]= dstStrideParam[0];
+ dstStride[1]= dstStrideParam[2];
+ dstStride[2]= dstStrideParam[1];
}else{
dst[0]= dstParam[0];
dst[1]= dstParam[1];
dst[2]= dstParam[2];
+ dstStride[0]= dstStrideParam[0];
+ dstStride[1]= dstStrideParam[1];
+ dstStride[2]= dstStrideParam[2];
}
//printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
@@ -2720,7 +2726,7 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
ASSERT(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1)
// Do we have enough lines in this slice to output the dstY line
- if(lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < ((srcSliceY + srcSliceH)>>1))
+ if(lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < ((srcSliceY + srcSliceH + 1)>>1))
{
//Do horizontal scaling
while(lastInLumBuf < lastLumSrcY)
@@ -2743,7 +2749,7 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
uint8_t *src2= src[2]+(lastInChrBuf + 1 - (srcSliceY>>1))*srcStride[2];
chrBufIndex++;
ASSERT(chrBufIndex < 2*vChrBufSize)
- ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < (srcSliceH>>1))
+ ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < ((srcSliceH+1)>>1))
ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) >= 0)
//FIXME replace parameters through context struct (some at least)
RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, (srcW+1)>>1, chrXInc,
@@ -2781,7 +2787,7 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
uint8_t *src2= src[2]+(lastInChrBuf + 1 - (srcSliceY>>1))*srcStride[2];
chrBufIndex++;
ASSERT(chrBufIndex < 2*vChrBufSize)
- ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < (srcSliceH>>1))
+ ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < ((srcSliceH+1)>>1))
ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) >= 0)
RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, (srcW+1)>>1, chrXInc,
flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,