254     current_macroblock: CurrentMacroblockTracking,  field
1072         let current_macroblock = match pps.sps.separate_colour_plane_flag {  in begin_picture()  localVariable
1098         Ok(CurrentPicState { pic, pps, backend_pic, ref_pic_lists, current_macroblock })  in begin_picture()
1105         current_macroblock: &mut CurrentMacroblockTracking,  in check_first_mb_in_slice()
1108         match current_macroblock {  in check_first_mb_in_slice()
1109             CurrentMacroblockTracking::SeparateColorPlane(current_macroblock) => {  in check_first_mb_in_slice()
1110                 match current_macroblock.entry(slice.header.colour_plane_id) {  in check_first_mb_in_slice()
1111                     Entry::Vacant(current_macroblock) => {  in check_first_mb_in_slice()
1112                         current_macroblock.insert(slice.header.first_mb_in_slice);  in check_first_mb_in_slice()
1114                     Entry::Occupied(mut current_macroblock) => {  in check_first_mb_in_slice()
1115                         let current_macroblock = current_macroblock.get_mut();  in check_first_mb_in_slice()  localVariable
1116                         if slice.header.first_mb_in_slice >= *current_macroblock {  in check_first_mb_in_slice()
1119                         *current_macroblock = slice.header.first_mb_in_slice;  in check_first_mb_in_slice()
1123             CurrentMacroblockTracking::NonSeparateColorPlane(current_macroblock) => {  in check_first_mb_in_slice()
1124                 if slice.header.first_mb_in_slice >= *current_macroblock {  in check_first_mb_in_slice()
1129                 *current_macroblock = slice.header.first_mb_in_slice;  in check_first_mb_in_slice()
1140         self.check_first_mb_in_slice(&mut cur_pic.current_macroblock, slice);  in handle_slice()