ameters extension specifies VUI parameters that apply to one or more operation points for the coded video sequence. In Annex C it is specified which of the HRD parameter sets specified in the MVC VUI parameters extension are used for conformance checking. All MVC VUI parameters extensions that are referred to by a coded video sequence shall be identical. Some views identified by vui_mvc_view_id[i][j] may not be present in the coded video sequence. Some temporal subsets identified by yui_mvc_temporal_id[i] may not be present in the coded video sequence. vui_mvc_num_ops_minus1 plus 1 specifies the number of operation points for which timing information, NAL HRD parameters, VCL HRD parameters, and the pic_struct_present_flag may be present. The value of vui_mvc_num_ops_minus1 shall be in the range of 0 to 1023, inclusive. vui_mvc_temporal_id| i] indicates the maximum value of temporal_id for all VCL NAL units in the representation of the i-th operation point. Rec. ITU-T H.264 (01/2012) vui_mvc_num_target_output_views_minus1[i] plus one specifies the number of target output views for the i-th operation point. The value of fui_mvc_num_target_output_views_minus1[i] shall be in the range of 0 to 1023, inclusive. vui_mvc_view_id[i][j] indicates the j-th target output view in the i-th operation point. The value of vui_mvc_view_id[i shall be in the range of 0 to 1023, inclusive. The following syntax elements apply to the coded video sequence that is obtained by the sub-bitstream extraction process as specified in clause H.8.5.3 with tIdTarget equal to yui_mvc_temporal_id[i] and viewIdTargetList containing vui_mvc_view_id[i][j] for all j in the range of 0 to ui_mvc_num_target_output_views_minus1[i], inclusive, as the inputs and the i-th sub-bitstream as the output. vui_mvc_timing_info_present_flag| i ] equal to 1 specifies that vui_mvc_num_units_in_tick[i] vui_mvc_time_scale[i], and vui_mvc_fixed_frame_rate_flag[i] for the i-th sub-bitstream are present in the MVC VUI parameters extension.vui_mvc_timing_info_present_flag[i]