public static void ClearAllApplicationDefaultDevices(DataFlow dataFlow)
{
EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig audioPolicyConfig = new EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig(dataFlow);
audioPolicyConfig.ClearDefaultEndPoints();
Instance.deviceApplicationPreferences.Devices.Clear();
Instance.applicationDevicePreferences.Applications.Clear();
Instance.jsonDataDirty = true;
}
public static AudioInterface GetDefaultApplicationDevice(DataFlow dataFlow, ObservableProcess process)
{
if (process == null)
{
throw new ArgumentNullException(nameof(process));
}
EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig audioPolicyConfig = new EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig(dataFlow);
return(GetAudioInterfaceById(audioPolicyConfig.GetDefaultEndPoint(process.Id)));
}
private void CheckApplicationDeviceChanges()
{
foreach (ObservableProcess process in ProcessCollection.Processes)
{
AudioInterface windowsPreferredRender = GetDefaultApplicationDevice(DataFlow.Render, process);
AudioInterface windowsPreferredCapture = GetDefaultApplicationDevice(DataFlow.Capture, process);
SharedModels.ApplicationDevicePreference applicationDevicePreference = applicationDevicePreferences.Applications.FirstOrDefault(x => x.Name == process.ProcessName);
string preferredRenderId = applicationDevicePreference?.Devices?.RenderDeviceId;
string preferredCaptureId = applicationDevicePreference?.Devices?.CaptureDeviceId;
bool windowsThinksDefault = windowsPreferredRender == null && windowsPreferredCapture == null;
bool noPreferences = preferredRenderId == null && preferredCaptureId == null;
// There is agreement that this process uses the default devices.
if (noPreferences && windowsThinksDefault)
{
continue;
}
// Windows doesn't think this process uses the default device and we don't have any preferences for the process.
if (applicationDevicePreference == default && !windowsThinksDefault)
{
ChangeDefaultApplicationDevice(windowsPreferredRender, process);
ChangeDefaultApplicationDevice(windowsPreferredCapture, process);
}
// Windows doesn't think this process uses the default device. We agree, but we disagree on the preferred audio device.
else if (!windowsThinksDefault)
{
bool changeNeeded = preferredRenderId != windowsPreferredRender?.ID;
changeNeeded = changeNeeded || preferredCaptureId != windowsPreferredCapture?.ID;
if (changeNeeded)
{
Trace.WriteLine($"Preference conflict detected between Windows Settings and Stream Controller for process {process.ProcessName}.");
}
if (process.AudioDeviceTogglingNeeded)
{
ToggleDefaultApplicationDevice(process);
process.AudioDeviceTogglingNeeded = false;
}
}
// Windows thinks the process uses the default device. We disagree and are waiting for the process to make a sound.
else if (windowsThinksDefault)
{
EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig audioPolicyConfig;
if (preferredRenderId != null)
{
audioPolicyConfig = new EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig(DataFlow.Render);
audioPolicyConfig.SetDefaultEndPoint(preferredRenderId, process.Id);
}
if (preferredCaptureId != null)
{
audioPolicyConfig = new EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig(DataFlow.Capture);
audioPolicyConfig.SetDefaultEndPoint(preferredCaptureId, process.Id);
}
}
}
}
public static void ChangeDefaultApplicationDevice(AudioInterface audioInterface, ObservableProcess process)
{
if (audioInterface == null)
{
throw new ArgumentNullException(nameof(audioInterface));
}
if (process == null)
{
throw new ArgumentNullException(nameof(process));
}
EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig audioPolicyConfig = new EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig(audioInterface.DataFlow);
audioPolicyConfig.SetDefaultEndPoint(audioInterface.ID, process.Id);
Instance.RemoveOldApplicationDevicePreference(process, audioInterface);
Instance.AddDeviceApplicationPreference(audioInterface, process);
Instance.AddApplicationDevicePreference(process, audioInterface);
}
public static void ClearApplicationDefaultDevice(DataFlow dataFlow, ObservableProcess process)
{
if (process == null)
{
throw new ArgumentNullException(nameof(process));
}
AudioInterface dataFlowInterface = dataFlow switch
{
DataFlow.Render => Instance.DefaultRender,
DataFlow.Capture => Instance.DefaultCapture,
_ => null
};
if (dataFlowInterface == null)
{
throw new ArgumentException($"{Enum.GetName(typeof(DataFlow),dataFlow)} is not {Enum.GetName(typeof(DataFlow), DataFlow.Render)} or {Enum.GetName(typeof(DataFlow), DataFlow.Capture)}.", nameof(dataFlow));
}
EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig audioPolicyConfig = new EarTrumpet.DataModel.WindowsAudio.Internal.AudioPolicyConfig(dataFlow);
audioPolicyConfig.SetDefaultEndPoint(String.Empty, process.Id);
Instance.RemoveOldApplicationDevicePreference(process, dataFlowInterface);
}