static void ff_h264_idct8_add4_mmx(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ int i; for(i=0; i<16; i+=4){ if(nnzc[ scan8[i] ]) ff_h264_idct8_add_mmx(dst + block_offset[i], block + i*16, stride); } }