hq2x_16_def(dst0, dst1, src0, src1, src2, width);
lq2x_16_def(dst0, dst1, src0, src1, src2, width);
void lq2x(u8 *srcPtr, u32 srcPitch, u8 * /* deltaPtr */,          u8 *dstPtr, u32 dstPitch, int width, int height){  u16 *dst0 = (u16 *)dstPtr;  u16 *dst1 = dst0 + (dstPitch >> 1);    u16 *src0 = (u16 *)srcPtr;  u16 *src1 = src0 + (srcPitch >> 1);  u16 *src2 = src1 + (srcPitch >> 1);    lq2x_16_def(dst0, dst1, src0, src0, src1, width);    int count = height;    count -= 2;  while(count) {    dst0 += dstPitch;    dst1 += dstPitch;    hq2x_16_def(dst0, dst1, src0, src1, src2, width);    src0 = src1;    src1 = src2;    src2 += srcPitch >> 1;    --count;  }  dst0 += dstPitch;  dst1 += dstPitch;  lq2x_16_def(dst0, dst1, src0, src1, src1, width);}