optional int64 backlog_size = 5 [default=1048576];
optional int64 bytes_received = 3;
optional string stream_id = 4;
// Older versions stored the HTTP and video headers together in this field.
optional bytes header = 1;
optional int64 backlog_size = 5 [default=1048576];
optional int64 bytes_received = 3;
optional string stream_id = 4;
// Older versions stored the HTTP and video headers together in this field.
optional bytes header = 1;