CEDRUS_H264_FRAME_NUM
position = find_first_zero_bit(&used_dpbs, CEDRUS_H264_FRAME_NUM);
pic_info_size = CEDRUS_H264_FRAME_NUM * 0x4000;
pic_info_size = CEDRUS_H264_FRAME_NUM * 0x1000;
struct cedrus_h264_sram_ref_pic pic_list[CEDRUS_H264_FRAME_NUM];