fn get_fixed_latency()

in src/backend/mod.rs [1670:1706]

• 35 lines of code
• 2 McCabe index (conditional complexity)

fn get_fixed_latency(devid: AudioObjectID, devtype: DeviceType) -> u32 {
    debug_assert_running_serially();
    let device_latency = match get_device_latency(devid, devtype) {
        Ok(latency) => latency,
        Err(e) => {
            cubeb_log!(
                "Cannot get the device latency for device {} in {:?} scope. Error: {}",
                devid,
                devtype,
                e
            );
            0 // default device latency
        }
    };

    let stream_latency = get_device_streams(devid, devtype).and_then(|devstreams| {
        if devstreams.is_empty() {
            cubeb_log!(
                "No stream on device {} in {:?} scope!",
                devid,
                devtype
            );
            Ok(0) // default stream latency
        } else {
            get_stream_latency(devstreams[0].stream)
        }
    }).inspect_err(|e| {
        cubeb_log!(
            "Cannot get the stream, or the latency of the first stream on device {} in {:?} scope. Error: {}",
            devid,
            devtype,
            e
        );
    }).unwrap_or(0); // default stream latency

    device_latency + stream_latency
}