return c->swScale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
c->swScale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
int sws_scale(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,                           int srcSliceH, uint8_t* dstParam[], int dstStrideParam[]){	int srcStride[3];	int dstStride[3];	uint8_t *src[3];	uint8_t *dst[3];	sws_orderYUV(c->srcFormat, src, srcStride, srcParam, srcStrideParam);	sws_orderYUV(c->dstFormat, dst, dstStride, dstParam, dstStrideParam);//printf("sws: slice %d %d\n", srcSliceY, srcSliceH);	return c->swScale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);}