private void CaptureAudioStateMonitor_SoundLevelChanged(AudioStateMonitor sender, object args)
{
switch (sender.SoundLevel)
{
case SoundLevel.Full:
if (capturingStoppedForAudioState)
{
StartAudioCapture();
capturingStoppedForAudioState = false;
}
break;
case SoundLevel.Muted:
if (isCapturingAudio)
{
StopAudioCapture();
capturingStoppedForAudioState = true;
}
break;
case SoundLevel.Low:
// This should never happen for capture
Debug.WriteLine("Unexpected audio state.");
break;
}
}
//</SnippetDeviceIdCategoryVars>
private void RegisterAudioStateMonitorDeviceIdCategory()
{
//<SnippetSoundLevelDeviceIdCategory>
string deviceId = Windows.Media.Devices.MediaDevice.GetDefaultAudioCaptureId(Windows.Media.Devices.AudioDeviceRole.Communications);
gameChatAudioStateMonitor = AudioStateMonitor.CreateForCaptureMonitoringWithCategoryAndDeviceId(MediaCategory.GameChat, deviceId);
gameChatAudioStateMonitor.SoundLevelChanged += GameChatSoundLevelChanged;
//</SnippetSoundLevelDeviceIdCategory>
}
//</SnippetAudioStateVars>
void RegisterAudioPolicyHandlers()
{
//<SnippetRegisterAudioStateMonitor>
captureAudioStateMonitor = AudioStateMonitor.CreateForCaptureMonitoring();
captureAudioStateMonitor.SoundLevelChanged += CaptureAudioStateMonitor_SoundLevelChanged;;
renderAudioStateMonitor = AudioStateMonitor.CreateForRenderMonitoring();
renderAudioStateMonitor.SoundLevelChanged += RenderAudioStateMonitor_SoundLevelChanged;;
//</SnippetRegisterAudioStateMonitor>
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
await CreateAudioGraph();
string deviceId = Windows.Media.Devices.MediaDevice.GetDefaultAudioCaptureId(Windows.Media.Devices.AudioDeviceRole.Communications);
gameChatAudioStateMonitor = AudioStateMonitor.CreateForCaptureMonitoringWithCategoryAndDeviceId(MediaCategory.Other, deviceId);
gameChatAudioStateMonitor.SoundLevelChanged += OnSoundLevelChanged;
LogPath.Text = Logging.LoggingPath;
}
//<SnippetRenderSoundLevelChanged>
private void RenderAudioStateMonitor_SoundLevelChanged(AudioStateMonitor sender, object args)
{
if ((sender.SoundLevel == SoundLevel.Full) ||
(sender.SoundLevel == SoundLevel.Low && !isPodcast))
{
mediaPlayer.Play();
}
else if ((sender.SoundLevel == SoundLevel.Muted) ||
(sender.SoundLevel == SoundLevel.Low && isPodcast))
{
// Pause playback if we’re muted or if we’re playing a podcast and are ducked
mediaPlayer.Pause();
}
}
//<SnippetGameChatSoundLevelChanged>
private void GameChatSoundLevelChanged(AudioStateMonitor sender, object args)
{
switch (sender.SoundLevel)
{
case SoundLevel.Full:
StartAudioCapture();
break;
case SoundLevel.Muted:
StopAudioCapture();
break;
case SoundLevel.Low:
// Audio capture should never be "ducked", only muted or full volume.
Debug.WriteLine("Unexpected audio state change.");
break;
}
}
private void OnSoundLevelChanged(AudioStateMonitor sender, object args)
{
switch (sender.SoundLevel)
{
case SoundLevel.Full:
Logging.SingleInstance.LogMessage("Microphone Volume is full");
break;
case SoundLevel.Muted:
Logging.SingleInstance.LogMessage("Microphone Volume is muted");
break;
case SoundLevel.Low:
// Audio capture should never be "ducked", only muted or full volume.
Logging.SingleInstance.LogMessage("Microphone Volume is low");
break;
}
}
