syntax = "proto2"; package video_streaming; message LiveMetadata { optional uint32 head_sequence_number = 3; optional uint64 head_time_ms = 4; optional uint64 wall_time_ms = 5; optional uint64 field10 = 10; optional uint64 field12 = 12; optional uint64 field13 = 13; optional uint64 head_time_usec = 14; optional uint64 field15 = 15; }