Constant libpulse_binding::stream::flags::AUTO_TIMING_UPDATE

pub const AUTO_TIMING_UPDATE: FlagSet = capi::PA_STREAM_AUTO_TIMING_UPDATE; // 8u32

If set timing update requests are issued periodically automatically. Combined with INTERPOLATE_TIMING you will be able to query the current time and latency with Stream::get_time and Stream::get_latency at all times without a packet round trip.