private void ShutdownEffects()
{
eqNode.DisableEffectsByDefinition(eqEffect);
limiterNode.DisableEffectsByDefinition(limiterEffect);
reverbNode.DisableEffectsByDefinition(reverbEffect);
reverbNode.EffectDefinitions.Clear();
eqNode.EffectDefinitions.Clear();
limiterNode.EffectDefinitions.Clear();
}
//
//
//
private void CreateEchoEffect()
{
// create echo effect
echoEffectDefinition = new EchoEffectDefinition(audGraph);
//
// See the MSDN page for parameter explanations
// http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.xapofx.fxecho_parameters(v=vs.85).aspx
echoEffectDefinition.WetDryMix = 0.7f;
echoEffectDefinition.Feedback = 0.5f;
echoEffectDefinition.Delay = 500.0f;
//
audioDeviceOutputSubmixNode.EffectDefinitions.Add(echoEffectDefinition);
audioDeviceOutputSubmixNode.DisableEffectsByDefinition(echoEffectDefinition);
}
private void EchoEffectToggle_Toggled(object sender, RoutedEventArgs e)
{
// Enable/Disable the echo effect
// Also set the label for the UI
if (echoEffectToggle.IsOn)
{
submixNode.EnableEffectsByDefinition(echoEffect);
}
else
{
submixNode.DisableEffectsByDefinition(echoEffect);
}
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default setting
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Can't create the graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
submixNode = graph.CreateSubmixNode();
submixNodeContainer.Background = new SolidColorBrush(Colors.Green);
submixNode.AddOutgoingConnection(deviceOutputNode);
echoEffect = new EchoEffectDefinition(graph);
echoEffect.WetDryMix = 0.7f;
echoEffect.Feedback = 0.5f;
echoEffect.Delay = 500.0f;
submixNode.EffectDefinitions.Add(echoEffect);
// Disable the effect in the beginning. Enable in response to user action (UI toggle switch)
submixNode.DisableEffectsByDefinition(echoEffect);
// All nodes can have an OutgoingGain property
// Setting the gain on the Submix node attenuates the output of the node
submixNode.OutgoingGain = 0.5;
// Graph successfully created. Enable buttons to load files
fileButton1.IsEnabled = true;
fileButton2.IsEnabled = true;
}
private async Task CreateAudioGraph()
{
// Create an AudioGraph with default setting
AudioGraphSettings settings = new AudioGraphSettings(AudioRenderCategory.Media);
CreateAudioGraphResult result = await AudioGraph.CreateAsync(settings);
if (result.Status != AudioGraphCreationStatus.Success)
{
// Can't create the graph
rootPage.NotifyUser(String.Format("AudioGraph Creation Error because {0}", result.Status.ToString()), NotifyType.ErrorMessage);
return;
}
graph = result.Graph;
// Create a device output node
CreateAudioDeviceOutputNodeResult deviceOutputNodeResult = await graph.CreateDeviceOutputNodeAsync();
if (deviceOutputNodeResult.Status != AudioDeviceNodeCreationStatus.Success)
{
// Cannot create device output node
rootPage.NotifyUser(String.Format("Audio Device Output unavailable because {0}", deviceOutputNodeResult.Status.ToString()), NotifyType.ErrorMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Red);
return;
}
deviceOutputNode = deviceOutputNodeResult.DeviceOutputNode;
rootPage.NotifyUser("Device Output Node successfully created", NotifyType.StatusMessage);
speakerContainer.Background = new SolidColorBrush(Colors.Green);
submixNode = graph.CreateSubmixNode();
subMixNode.Background = new SolidColorBrush(Colors.Green);
submixNode.AddOutgoingConnection(deviceOutputNode);
echoEffect = new EchoEffectDefinition(graph);
echoEffect.WetDryMix = 0.7f;
echoEffect.Feedback = 0.5f;
echoEffect.Delay = 500.0f;
submixNode.EffectDefinitions.Add(echoEffect);
// Disable the effect in the beginning. Enable in response to user action (UI toggle switch)
submixNode.DisableEffectsByDefinition(echoEffect);
// All nodes can have an OutgoingGain property
// Setting the gain on the Submix node attenuates the output of the node
submixNode.OutgoingGain = 0.5;
// Graph successfully created. Enable buttons to load files
fileButton1.IsEnabled = true;
fileButton2.IsEnabled = true;
}
