public AEDev()
{
IMMDevice _Device = null;
if (String.IsNullOrEmpty(_devId))
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDefaultAudioEndpoint(0, 1, out _Device));
Marshal.ThrowExceptionForHR(_Device.GetId(out _devId));
}
else
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDevice(_devId, out _Device));
}
devstatus state;
Marshal.ThrowExceptionForHR(_Device.GetState(out state));
if (state != devstatus.DEVICE_STATE_ACTIVE)
throw new ApplicationException(String.Format("audio device is not active ({0})", state.ToString()));
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
public AudioDevice(IAudioDeviceManager deviceManager, IMMDevice device, Dispatcher foregroundDispatcher)
{
_device = device;
_deviceManager = new WeakReference <IAudioDeviceManager>(deviceManager);
_dispatcher = foregroundDispatcher;
_id = device.GetId();
Trace.WriteLine($"AudioDevice Create {_id}");
if (_device.GetState() == DeviceState.ACTIVE)
{
_deviceVolume = device.Activate <IAudioEndpointVolume>();
_deviceVolume.RegisterControlChangeNotify(this);
_deviceVolume.GetMasterVolumeLevelScalar(out _volume);
_isMuted = _deviceVolume.GetMute() != 0;
_isRegistered = true;
_meter = device.Activate <IAudioMeterInformation>();
_channels = new AudioDeviceChannelCollection(_deviceVolume, _dispatcher);
_sessions = new AudioDeviceSessionCollection(this, _device, _dispatcher);
_sessionFilter = new FilteredCollectionChain <IAudioDeviceSession>(_sessions.Sessions, _dispatcher);
Groups = _sessionFilter.Items;
}
else
{
Groups = new ObservableCollection <IAudioDeviceSession>();
}
ReadProperties();
}
public AEDev()
{
IMMDevice _Device = null;
if (String.IsNullOrEmpty(_devId))
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDefaultAudioEndpoint(0, 1, out _Device));
Marshal.ThrowExceptionForHR(_Device.GetId(out _devId));
}
else
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDevice(_devId, out _Device));
}
devstatus state;
Marshal.ThrowExceptionForHR(_Device.GetState(out state));
if (state != devstatus.DEVICE_STATE_ACTIVE)
{
throw new ApplicationException(String.Format("audio device is not active ({0})", state.ToString()));
}
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
public DS4Audio(DataFlow audioFlags = DataFlow.Render,
string searchName = "Wireless Controller")
{
var audioEnumerator = new MMDeviceEnumeratorComObject() as IMMDeviceEnumerator;
IMMDeviceCollection audioDevices;
audioEnumerator.EnumAudioEndpoints(audioFlags, DeviceState.Active, out audioDevices);
int numAudioDevices;
Marshal.ThrowExceptionForHR(audioDevices.GetCount(out numAudioDevices));
for (int deviceNumber = 0; deviceNumber < numAudioDevices; ++deviceNumber)
{
IMMDevice audioDevice;
Marshal.ThrowExceptionForHR(audioDevices.Item(deviceNumber, out audioDevice));
string deviceName = GetAudioDeviceName(ref audioDevice);
if (deviceName.Contains(searchName))
{
object interfacePointer;
Marshal.ThrowExceptionForHR(audioDevice.Activate(ref IID_IAudioEndpointVolume, ClsCtx.ALL, IntPtr.Zero, out interfacePointer));
endpointVolume = interfacePointer as IAudioEndpointVolume;
endpointVolume.RegisterControlChangeNotify(this);
}
RefreshVolume();
Marshal.ReleaseComObject(audioDevice);
}
Marshal.ReleaseComObject(audioDevices);
Marshal.ReleaseComObject(audioEnumerator);
}
/// <summary>
/// The Initialize Audio Client
/// </summary>
/// <param name="audioFlow"></param>
/// <param name="_deviceEnumerator"></param>
private void InitializeAudioClient()
{
//Get Audio Client from device
COMResult result = _audioDevice.Activate(typeof(IAudioClient).GUID, 0, IntPtr.Zero, out object obj);
_audioClient = (IAudioClient)obj;
//Get Audio Meter from device
result = _audioDevice.Activate(typeof(IAudioMeterInformation).GUID, 0, IntPtr.Zero, out obj);
_audioMeter = (IAudioMeterInformation)obj;
//Get Audio End Point
result = _audioDevice.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out obj);
_audioEndpointVolume = (IAudioEndpointVolume)obj;
_audioEndpointVolume.RegisterControlChangeNotify(classCallBack);
//Initialize Audio Client.
_sessionGuid = new Guid();
result = _audioClient.GetMixFormat(out waveFormat);
AudioClientStreamFlags streamFlag = AudioClientStreamFlags.None;
if (_audioDataFlow == AudioDataFlow.eRender)
{
streamFlag = AudioClientStreamFlags.Loopback;
}
result = _audioClient.Initialize(AudioClientMode.Shared, streamFlag, 10000000, 0, waveFormat, ref _sessionGuid);
result = _audioClient.Start();
//Change wave format here
SetupWaveFormat(waveFormat);
result = _audioEndpointVolume.GetChannelCount(out _channelCount);
}
public AEDev(bool resetDevice = false)
{
IMMDevice _Device = null;
if (resetDevice)
{
_devId = "";
}
_realEnumerator = new _AEDeviceEnumerator() as IMMDeviceEnumerator;
try
{
if (String.IsNullOrEmpty(_devId))
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDefaultAudioEndpoint(0, 1, out _Device));
Marshal.ThrowExceptionForHR(_Device.GetId(out _devId));
}
else
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDevice(_devId, out _Device));
}
devstatus state;
Marshal.ThrowExceptionForHR(_Device.GetState(out state));
if (state != devstatus.DEVICE_STATE_ACTIVE)
{
throw new ApplicationException($"audio device is not active ({state.ToString()})");
}
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
catch (Exception)
{
// Catch if no device is found or changed device
try
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDefaultAudioEndpoint(0, 1, out _Device));
Marshal.ThrowExceptionForHR(_Device.GetId(out _devId));
devstatus state;
Marshal.ThrowExceptionForHR(_Device.GetState(out state));
if (state != devstatus.DEVICE_STATE_ACTIVE)
{
throw new ApplicationException($"audio device is not active ({state.ToString()})");
}
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
catch (Exception)
{
// Catch if no device is found
}
}
}
public AudioEndpointVolume(IAudioEndpointVolume audioEndpointVolume)
{
_audioEndpointVolume = audioEndpointVolume;
_callBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_audioEndpointVolume.RegisterControlChangeNotify(_callBack));
}
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
_AudioEndPointVolume = realEndpointVolume;
_Channels = new AudioEndpointVolumeChannels(_AudioEndPointVolume);
_StepInformation = new AudioEndpointVolumeStepInformation(_AudioEndPointVolume);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.QueryHardwareSupport(out uint HardwareSupp));
_HardwareSupport = (EEndpointHardwareSupport)HardwareSupp;
_VolumeRange = new AudioEndPointVolumeVolumeRange(_AudioEndPointVolume);
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
internal AEDev()
{
IMMDevice _Device = null;
Marshal.ThrowExceptionForHR(((IMMDeviceEnumerator)_realEnumerator).GetDefaultAudioEndpoint(0, 1, out _Device));
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
uint HardwareSupp;
_AudioEndPointVolume = realEndpointVolume;
_Channels = new AudioEndpointVolumeChannels(_AudioEndPointVolume);
_StepInformation = new AudioEndpointVolumeStepInformation(_AudioEndPointVolume);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.QueryHardwareSupport(out HardwareSupp));
_HardwareSupport = (EEndpointHardwareSupport)HardwareSupp;
_VolumeRange = new AudioEndPointVolumeVolumeRange(_AudioEndPointVolume);
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify( _CallBack));
}
/// <summary>
/// Creates a new Audio endpoint volume
/// </summary>
/// <param name="realEndpointVolume">IAudioEndpointVolume COM interface</param>
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
uint hardwareSupp;
audioEndPointVolume = realEndpointVolume;
channels = new AudioEndpointVolumeChannels(audioEndPointVolume);
stepInformation = new AudioEndpointVolumeStepInformation(audioEndPointVolume);
Marshal.ThrowExceptionForHR(audioEndPointVolume.QueryHardwareSupport(out hardwareSupp));
hardwareSupport = (EndpointHardwareSupport) hardwareSupp;
volumeRange = new AudioEndpointVolumeVolumeRange(audioEndPointVolume);
callBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(audioEndPointVolume.RegisterControlChangeNotify(callBack));
}
/// <summary>
/// Creates a new Audio endpoint volume
/// </summary>
/// <param name="realEndpointVolume">IAudioEndpointVolume COM interface</param>
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
uint hardwareSupp;
audioEndPointVolume = realEndpointVolume;
channels = new AudioEndpointVolumeChannels(audioEndPointVolume);
stepInformation = new AudioEndpointVolumeStepInformation(audioEndPointVolume);
Marshal.ThrowExceptionForHR(audioEndPointVolume.QueryHardwareSupport(out hardwareSupp));
hardwareSupport = (EEndpointHardwareSupport)hardwareSupp;
volumeRange = new AudioEndpointVolumeVolumeRange(audioEndPointVolume);
callBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(audioEndPointVolume.RegisterControlChangeNotify(callBack));
}
/// <summary>
/// Creates a new Audio endpoint volume
/// </summary>
/// <param name="realEndpointVolume">IAudioEndpointVolume COM interface</param>
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
ComThread.Assert();
uint hardwareSupp;
_audioEndPointVolume = realEndpointVolume;
_channels = new AudioEndpointVolumeChannels(_audioEndPointVolume);
_stepInformation = new AudioEndpointVolumeStepInformation(_audioEndPointVolume);
Marshal.ThrowExceptionForHR(_audioEndPointVolume.QueryHardwareSupport(out hardwareSupp));
_hardwareSupport = (EndpointHardwareSupport)hardwareSupp;
_volumeRange = new AudioEndpointVolumeVolumeRange(_audioEndPointVolume);
_callBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_audioEndPointVolume.RegisterControlChangeNotify(_callBack));
}
/// <summary>
/// Creates a new Audio endpoint volume
/// </summary>
/// <param name="realEndpointVolume">IAudioEndpointVolume COM interface</param>
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
ComThread.Assert();
uint hardwareSupp;
_audioEndPointVolume = realEndpointVolume;
_channels = new AudioEndpointVolumeChannels(_audioEndPointVolume);
_stepInformation = new AudioEndpointVolumeStepInformation(_audioEndPointVolume);
Marshal.ThrowExceptionForHR(_audioEndPointVolume.QueryHardwareSupport(out hardwareSupp));
_hardwareSupport = (EndpointHardwareSupport)hardwareSupp;
_volumeRange = new AudioEndpointVolumeVolumeRange(_audioEndPointVolume);
_callBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_audioEndPointVolume.RegisterControlChangeNotify(_callBack));
}
public AudioDevice(IMMDevice device)
{
_device = device;
_dispatcher = App.Current.Dispatcher;
_id = device.GetId();
Trace.WriteLine($"AudioDevice Create {_id}");
_deviceVolume = device.Activate <IAudioEndpointVolume>();
_deviceVolume.RegisterControlChangeNotify(this);
_meter = device.Activate <IAudioMeterInformation>();
_sessions = new AudioDeviceSessionCollection(this, _device);
_deviceVolume.GetMasterVolumeLevelScalar(out _volume);
_isMuted = _deviceVolume.GetMute() != 0;
ReadDisplayName();
}
public static void SetMasterVolumeNotifier(VolumeListener listner)
{
IAudioEndpointVolume masterVol = null;
AudioEndpointVolumeCallback callBack;
try
{
masterVol = GetMasterVolumeObject();
if (masterVol == null)
{
return;
}
callBack = new AudioEndpointVolumeCallback(listner);
Marshal.ThrowExceptionForHR(masterVol.RegisterControlChangeNotify(callBack));
}
finally
{
// if (masterVol != null)
// Marshal.ReleaseComObject(masterVol);
}
}
private void UpdateUnmanagedNotificationRegistration()
{
var shouldBeRegisteredForNotifications = false;
// if any events are registered by our caller, we need to be registered for unmanaged volume/mute state change notifications
//
// volume level notifications
if (_masterVolumeLevelChangedEvent is not null)
{
shouldBeRegisteredForNotifications = true;
}
//
// mute state notifications
if (_masterMuteStateChangedEvent is not null)
{
shouldBeRegisteredForNotifications = true;
}
if (shouldBeRegisteredForNotifications == true)
{
// if we have subscribed events and are _not_ already registered for notifications, register for notifications now
if (_audioEndpointVolumeCallback is null)
{
_audioEndpointVolumeCallback = new AudioEndpointVolumeCallback(this.AudioVolumeNotificationCallback);
_audioEndpointVolume.RegisterControlChangeNotify(_audioEndpointVolumeCallback);
}
}
else
{
// unregister for notifications if we are already registered...but no longer have any subscribed events
if (_audioEndpointVolumeCallback is not null)
{
_audioEndpointVolume.UnregisterControlChangeNotify(_audioEndpointVolumeCallback !);
}
}
}
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
_AudioEndPointVolume = realEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify( _CallBack));
}
internal AudioEndpointVolume(IAudioEndpointVolume realEndpointVolume)
{
_AudioEndPointVolume = realEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
internal AEDev()
{
IMMDevice _Device = null;
Marshal.ThrowExceptionForHR(((IMMDeviceEnumerator)_realEnumerator).GetDefaultAudioEndpoint(0, 1, out _Device));
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}