static void vp8_idct_dc_add4y_c(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride) { vp8_idct_dc_add_c(dst + 0, block[0], stride); vp8_idct_dc_add_c(dst + 4, block[1], stride); vp8_idct_dc_add_c(dst + 8, block[2], stride); vp8_idct_dc_add_c(dst + 12, block[3], stride); }