static void mlib_YUV2RGB420_24(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,
static int mlib_YUV2RGB420_24(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,
static void mlib_YUV2RGB420_24(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,              int srcSliceH, uint8_t* dst[], int dstStride[]){    uint8_t *src[3];    int srcStride[3];    sws_orderYUV(c->srcFormat, src, srcStride, srcParam, srcStrideParam);    if(c->srcFormat == IMGFMT_422P){	srcStride[1] *= 2;	srcStride[2] *= 2;    }        assert(srcStride[1] == srcStride[2]);     mlib_VideoColorYUV2RGB420(dst[0], src[0], src[1], src[2], c->dstW,			     c->dstH, dstStride[0], srcStride[0], srcStride[1]);}