fn create_voiceprocessing_audiounit()

in src/backend/mod.rs [1409:1432]

• 22 lines of code
• 3 McCabe index (conditional complexity)

fn create_voiceprocessing_audiounit() -> Result<VoiceProcessingUnit> {
    let res = create_typed_audiounit(kAudioUnitSubType_VoiceProcessingIO);
    if res.is_err() {
        return Err(Error::error());
    }

    match get_default_device(DeviceType::OUTPUT) {
        None => {
            cubeb_log!("Could not get default output device in order to undo vpio ducking");
        }
        Some(id) => {
            let r = audio_device_duck(id, 1.0, ptr::null_mut(), 0.5);
            if r != NO_ERR {
                cubeb_log!(
                        "Failed to undo ducking of voiceprocessing on output device {}. Proceeding... Error: {}",
                        id,
                        r
                    );
            }
        }
    };

    res.map(|unit| VoiceProcessingUnit { unit })
}