- void x265_interp_8tap_horiz_pp_ ## W ## x ## H ## cpu(pixel * src, intptr_t srcStride, pixel * dst, intptr_t dstStride, int coeffIdx); \
- void x265_interp_8tap_horiz_ps_ ## W ## x ## H ## cpu(pixel * src, intptr_t srcStride, int16_t * dst, intptr_t dstStride, int coeffIdx, int isRowExt); \
- void x265_interp_8tap_vert_pp_ ## W ## x ## H ## cpu(pixel * src, intptr_t srcStride, pixel * dst, intptr_t dstStride, int coeffIdx); \
- void x265_interp_8tap_vert_ps_ ## W ## x ## H ## cpu(pixel * src, intptr_t srcStride, int16_t * dst, intptr_t dstStride, int coeffIdx);
+ void x265_interp_8tap_horiz_pp_ ## W ## x ## H ## cpu(const pixel* src, intptr_t srcStride, pixel* dst, intptr_t dstStride, int coeffIdx); \
+ void x265_interp_8tap_horiz_ps_ ## W ## x ## H ## cpu(const pixel* src, intptr_t srcStride, int16_t* dst, intptr_t dstStride, int coeffIdx, int isRowExt); \
+ void x265_interp_8tap_vert_pp_ ## W ## x ## H ## cpu(const pixel* src, intptr_t srcStride, pixel* dst, intptr_t dstStride, int coeffIdx); \
+ void x265_interp_8tap_vert_ps_ ## W ## x ## H ## cpu(const pixel* src, intptr_t srcStride, int16_t* dst, intptr_t dstStride, int coeffIdx);