public void SelectEffectWithComponentDescription(AudioComponentDescription?componentDescription, Action completionHandler)
{
if (isPlaying)
{
player.Pause();
}
if (effect != null)
{
engine.DisconnectNodeInput(effect);
engine.DisconnectNodeInput(engine.MainMixerNode);
engine.Connect(player, engine.MainMixerNode, file.ProcessingFormat);
engine.DetachNode(effect);
effect = null;
AudioUnit = null;
PresetList = new AUAudioUnitPreset[0];
}
if (componentDescription.HasValue)
{
AVAudioUnit.FromComponentDescription(componentDescription.Value, AudioComponentInstantiationOptions.OutOfProcess, (avAudioUnitEffect, AVError) => {
if (AVError != null || avAudioUnitEffect == null)
{
Console.WriteLine("SelectEffectWithComponentDescription error!");
return;
}
effect = avAudioUnitEffect;
engine.AttachNode(avAudioUnitEffect);
engine.DisconnectNodeInput(engine.MainMixerNode);
engine.Connect(player, avAudioUnitEffect, file.ProcessingFormat);
engine.Connect(avAudioUnitEffect, engine.MainMixerNode, file.ProcessingFormat);
AudioUnit = avAudioUnitEffect.AUAudioUnit;
PresetList = avAudioUnitEffect.AUAudioUnit.FactoryPresets ?? new AUAudioUnitPreset[0];
Done(completionHandler);
});
}
else
{
Done(completionHandler);
}
}