LCU_SIZE
int pic_width_lcu = (pic_width_64 % LCU_SIZE) ?
pic_width_64 / LCU_SIZE + 1
: pic_width_64 / LCU_SIZE;
int pic_height_lcu = (pic_height_32 % LCU_SIZE) ?
pic_height_32 / LCU_SIZE + 1
: pic_height_32 / LCU_SIZE;