RBSP（原始字节序列层） 语法和RBSP结束语法.doc

RBSP(原始字节序列层) 语法和RBSP结束语法 序列参数集RBSP语法 seq_parameter_set_rbsp(?) { C Descriptor profile_idc 0 u(8) constraint_set0_flag 0 u(1) constraint_set1_flag 0 u(1) constraint_set2_flag 0 u(1) reserved_zero_5bits /* equal to?0 */ 0 u(5) level_idc 0 u(8) seq_parameter_set_id 0 ue(v) log2_max_frame_num_minus4 0 ue(v) pic_order_cnt_type 0 ue(v) if( pic_order_cnt_type = = 0 ) log2_max_pic_order_cnt_lsb_minus4 0 ue(v) else if( pic_order_cnt_type = = 1 ) { delta_pic_order_always_zero_flag 0 u(1) offset_for_non_ref_pic 0 se(v) offset_for_top_to_bottom_field 0 se(v) num_ref_frames_in_pic_order_cnt_cycle 0 ue(v) for( i = 0; i num_ref_frames_in_pic_order_cnt_cycle; i++ ) offset_for_ref_frame[?i?] 0 se(v) } num_ref_frames 0 ue(v) gaps_in_frame_num_value_allowed_flag 0 u(1) pic_width_in_mbs_minus1 0 ue(v) pic_height_in_map_units_minus1 0 ue(v) frame_mbs_only_flag 0 u(1) if( !frame_mbs_only_flag ) mb_adaptive_frame_field_flag 0 u(1) direct_8x8_inference_flag 0 u(1) frame_cropping_flag 0 u(1) if( frame_cropping_flag ) { frame_crop_left_offset 0 ue(v) frame_crop_right_offset 0 ue(v) frame_crop_top_offset 0 ue(v) frame_crop_bottom_offset 0 ue(v) } vui_parameters_present_flag 0 u(1) if( vui_parameters_present_flag ) vui_parameters(?) 0 rbsp_trailing_bits(?) 0 } 图像参数集RBSP语法 pic_parameter_set_rbsp(?) { C Descriptor pic_parameter_set_id 1 ue(v) seq_parameter_set_id 1 ue(v) entropy_coding_mode_flag 1 u(1) pic_order_present_flag 1 u(1) num_slice_groups_minus1 1 ue(v) if( num_slice_groups_minus1 0 ) { slice_group_map_type 1 ue(v) if( slice_group_map_type = = 0 ) for( iGroup = 0; iGroup = num_slice_groups_minus1; iGroup++ ) run_length_minus1[?iGroup?] 1 ue(v) else if( slice_group_map_type = = 2 ) for( iGroup = 0; iGroup num_slice_groups_minus1; iGroup++ ) { top_left[?iGroup?] 1 ue(v) bottom_right[?iGroup?] 1 ue(v) }