private void SetValue(MixerComponentType componentType, MixerControlType controlType, int controlValue)
{
MixerNativeMethods.MixerLine mixerLine = new MixerNativeMethods.MixerLine(componentType);
if (MixerNativeMethods.mixerGetLineInfoA(_handle, ref mixerLine, MixerLineFlags.ComponentType) != MixerError.None)
{
throw new InvalidOperationException("Mixer.SetValue.1");
}
using (
MixerNativeMethods.MixerLineControls mixerLineControls =
new MixerNativeMethods.MixerLineControls(mixerLine.LineId, controlType))
{
if (MixerNativeMethods.mixerGetLineControlsA(_handle, mixerLineControls, MixerLineControlFlags.OneByType) !=
MixerError.None)
{
throw new InvalidOperationException("Mixer.SetValue.2");
}
MixerNativeMethods.MixerControl mixerControl =
(MixerNativeMethods.MixerControl)
Marshal.PtrToStructure(mixerLineControls.Data, typeof(MixerNativeMethods.MixerControl));
using (
MixerNativeMethods.MixerControlDetails mixerControlDetails =
new MixerNativeMethods.MixerControlDetails(mixerControl.ControlId))
{
Marshal.WriteInt32(mixerControlDetails.Data, controlValue);
MixerNativeMethods.mixerSetControlDetails(_handle, mixerControlDetails, 0);
}
}
}
private MixerNativeMethods.MixerControlDetails GetControl(MixerComponentType componentType,
MixerControlType controlType)
{
MixerNativeMethods.MixerLine mixerLine = new MixerNativeMethods.MixerLine(componentType);
if (MixerNativeMethods.mixerGetLineInfoA(_handle, ref mixerLine, MixerLineFlags.ComponentType) != MixerError.None)
{
throw new InvalidOperationException("Mixer.GetControl.1");
}
using (
MixerNativeMethods.MixerLineControls mixerLineControls =
new MixerNativeMethods.MixerLineControls(mixerLine.LineId, controlType))
{
if (MixerNativeMethods.mixerGetLineControlsA(_handle, mixerLineControls, MixerLineControlFlags.OneByType) !=
MixerError.None)
{
throw new InvalidOperationException("Mixer.GetControl.2");
}
MixerNativeMethods.MixerControl mixerControl =
(MixerNativeMethods.MixerControl)
Marshal.PtrToStructure(mixerLineControls.Data, typeof(MixerNativeMethods.MixerControl));
return(new MixerNativeMethods.MixerControlDetails(mixerControl.ControlId));
}
}
public void Open(int mixerIndex, bool isDigital)
{
lock (this)
{
if (isDigital)
{
_componentType = MixerComponentType.SourceWave;
}
// not enough to change this..
if (_mixerEventListener == null)
{
_mixerEventListener = new MixerEventListener();
_mixerEventListener.Start();
}
_mixerEventListener.LineChanged += new MixerEventHandler(OnLineChanged);
_mixerEventListener.ControlChanged += new MixerEventHandler(OnControlChanged);
MixerNativeMethods.MixerControl mc = new MixerNativeMethods.MixerControl();
mc.Size = 0;
mc.ControlId = 0;
mc.ControlType = MixerControlType.Volume;
mc.fdwControl = 0;
mc.MultipleItems = 0;
mc.ShortName = string.Empty;
mc.Name = string.Empty;
mc.Minimum = 0;
mc.Maximum = 0;
mc.Reserved = 0;
IntPtr handle = IntPtr.Zero;
if (
MixerNativeMethods.mixerOpen(ref handle, mixerIndex, _mixerEventListener.Handle, 0, MixerFlags.CallbackWindow) !=
MixerError.None)
{
throw new InvalidOperationException();
}
_handle = handle;
_mixerControlDetailsVolume = GetControl(_componentType, MixerControlType.Volume);
_mixerControlDetailsMute = GetControl(_componentType, MixerControlType.Mute);
_isMuted = (int)GetValue(_componentType, MixerControlType.Mute) == 1;
_volume = (int)GetValue(_componentType, MixerControlType.Volume);
}
}
private object GetValue(MixerComponentType componentType, MixerControlType controlType)
{
try
{
MixerNativeMethods.MixerLine mixerLine = new MixerNativeMethods.MixerLine(componentType);
if (MixerNativeMethods.mixerGetLineInfoA(_handle, ref mixerLine, MixerLineFlags.ComponentType) !=
MixerError.None)
{
throw new InvalidOperationException("Mixer.OpenControl.1");
}
using (
MixerNativeMethods.MixerLineControls mixerLineControls =
new MixerNativeMethods.MixerLineControls(mixerLine.LineId, controlType))
{
MixerNativeMethods.mixerGetLineControlsA(_handle, mixerLineControls, MixerLineControlFlags.OneByType);
MixerNativeMethods.MixerControl mixerControl =
(MixerNativeMethods.MixerControl)
Marshal.PtrToStructure(mixerLineControls.Data, typeof(MixerNativeMethods.MixerControl));
using (
MixerNativeMethods.MixerControlDetails mixerControlDetails =
new MixerNativeMethods.MixerControlDetails(mixerControl.ControlId))
{
MixerNativeMethods.mixerGetControlDetailsA(_handle, mixerControlDetails, 0);
return(Marshal.ReadInt32(mixerControlDetails.Data));
}
}
}
catch (Exception ex)
{
// Catch exception when audio device is disconnected
Log.Error("Mixer: GetValue {0}", ex.Message);
}
// Set Volume to 30000 when audio recover
return(30000);
}
private MixerNativeMethods.MixerControlDetails GetControl(MixerComponentType componentType,
MixerControlType controlType)
{
try
{
MixerNativeMethods.MixerLine mixerLine = new MixerNativeMethods.MixerLine(componentType);
if (MixerNativeMethods.mixerGetLineInfoA(_handle, ref mixerLine, MixerLineFlags.ComponentType) !=
MixerError.None)
{
throw new InvalidOperationException("Mixer.GetControl.1");
}
using (
MixerNativeMethods.MixerLineControls mixerLineControls =
new MixerNativeMethods.MixerLineControls(mixerLine.LineId, controlType))
{
if (MixerNativeMethods.mixerGetLineControlsA(_handle, mixerLineControls, MixerLineControlFlags.OneByType) !=
MixerError.None)
{
throw new InvalidOperationException("Mixer.GetControl.2");
}
MixerNativeMethods.MixerControl mixerControl =
(MixerNativeMethods.MixerControl)
Marshal.PtrToStructure(mixerLineControls.Data, typeof(MixerNativeMethods.MixerControl));
return(new MixerNativeMethods.MixerControlDetails(mixerControl.ControlId));
}
}
catch (Exception ex)
{
// Catch exception when audio device is disconnected
Log.Error("Mixer: GetControl {0}", ex.Message);
}
return(null);
}
public void Open(int mixerIndex, bool isDigital)
{
lock (this)
{
_waveVolume = isDigital;
if (isDigital)
{
_componentType = MixerComponentType.SourceWave;
}
else
{
_componentType = MixerComponentType.DestinationSpeakers;
}
// not enough to change this..
// Use Endpoint Volume API for Vista/Win7 if master volume is selected and always for Win8 to handle muting of master volume
if ((OSInfo.OSInfo.VistaOrLater() && _componentType == MixerComponentType.DestinationSpeakers) ||
OSInfo.OSInfo.Win8OrLater())
{
try
{
_audioDefaultDevice = new AEDev();
if (_audioDefaultDevice != null)
{
_audioDefaultDevice.OnVolumeNotification +=
new AudioEndpointVolumeNotificationDelegate(AudioEndpointVolume_OnVolumeNotification);
_isMuted = _audioDefaultDevice.Muted;
_volume = (int) Math.Round(_audioDefaultDevice.MasterVolume*VolumeMaximum);
}
}
catch (Exception)
{
_isMuted = false;
_volume = 100;
}
}
// Use Windows Multimedia mixer functions for XP and for Vista and later if wave volume is selected
if (_componentType == MixerComponentType.SourceWave || !OSInfo.OSInfo.VistaOrLater())
{
if (_mixerEventListener == null)
{
_mixerEventListener = new MixerEventListener();
_mixerEventListener.Start();
}
_mixerEventListener.LineChanged += new MixerEventHandler(OnLineChanged);
_mixerEventListener.ControlChanged += new MixerEventHandler(OnControlChanged);
MixerNativeMethods.MixerControl mc = new MixerNativeMethods.MixerControl();
mc.Size = 0;
mc.ControlId = 0;
mc.ControlType = MixerControlType.Volume;
mc.fdwControl = 0;
mc.MultipleItems = 0;
mc.ShortName = string.Empty;
mc.Name = string.Empty;
mc.Minimum = 0;
mc.Maximum = 0;
mc.Reserved = 0;
IntPtr handle = IntPtr.Zero;
if (
MixerNativeMethods.mixerOpen(ref handle, mixerIndex, _mixerEventListener.Handle, 0,
MixerFlags.CallbackWindow) !=
MixerError.None)
{
throw new InvalidOperationException();
}
_handle = handle;
_mixerControlDetailsVolume = GetControl(_componentType, MixerControlType.Volume);
_mixerControlDetailsMute = GetControl(_componentType, MixerControlType.Mute);
_isMuted = (int) GetValue(_componentType, MixerControlType.Mute) == 1;
_volume = (int) GetValue(_componentType, MixerControlType.Volume);
}
}
}
public void Open(int mixerIndex, bool isDigital)
{
lock (this)
{
if (isDigital)
{
_componentType = MixerComponentType.SourceWave;
}
else
{
_componentType = MixerComponentType.DestinationSpeakers;
}
// not enough to change this..
if (OSInfo.OSInfo.VistaOrLater() & (_componentType == MixerComponentType.DestinationSpeakers))
{
_audioDefaultDevice = new AEDev();
_audioDefaultDevice.OnVolumeNotification += new AudioEndpointVolumeNotificationDelegate(AudioEndpointVolume_OnVolumeNotification);
_isMuted = _audioDefaultDevice.Muted;
_volume = (int)Math.Round(_audioDefaultDevice.MasterVolume * VolumeMaximum);
return;
}
if (_mixerEventListener == null)
{
_mixerEventListener = new MixerEventListener();
_mixerEventListener.Start();
}
_mixerEventListener.LineChanged += new MixerEventHandler(OnLineChanged);
_mixerEventListener.ControlChanged += new MixerEventHandler(OnControlChanged);
MixerNativeMethods.MixerControl mc = new MixerNativeMethods.MixerControl();
mc.Size = 0;
mc.ControlId = 0;
mc.ControlType = MixerControlType.Volume;
mc.fdwControl = 0;
mc.MultipleItems = 0;
mc.ShortName = string.Empty;
mc.Name = string.Empty;
mc.Minimum = 0;
mc.Maximum = 0;
mc.Reserved = 0;
IntPtr handle = IntPtr.Zero;
if (
MixerNativeMethods.mixerOpen(ref handle, mixerIndex, _mixerEventListener.Handle, 0, MixerFlags.CallbackWindow) !=
MixerError.None)
{
throw new InvalidOperationException();
}
_handle = handle;
_mixerControlDetailsVolume = GetControl(_componentType, MixerControlType.Volume);
_mixerControlDetailsMute = GetControl(_componentType, MixerControlType.Mute);
_isMuted = (int)GetValue(_componentType, MixerControlType.Mute) == 1;
_volume = (int)GetValue(_componentType, MixerControlType.Volume);
}
}
public void Open(int mixerIndex, bool isDigital, bool resetDevice = false)
{
try
{
lock (this)
{
using (MixerLock(lockInfinite))
{
Log.Debug("Mixer: Open(), mixerIndex = {0}, isDigital = {1}, resetDevice = {2}", mixerIndex, isDigital, resetDevice);
_useWave = isDigital;
if (isDigital)
{
_componentType = MixerComponentType.SourceWave;
}
else
{
_componentType = MixerComponentType.DestinationSpeakers;
}
// Use Endpoint Volume API for Vista/Win7 if master volume is selected and always for Win8 to handle muting of master volume
if ((OSInfo.OSInfo.VistaOrLater() && _componentType == MixerComponentType.DestinationSpeakers) ||
OSInfo.OSInfo.Win8OrLater())
{
try
{
Log.Debug("Mixer: Open(), Endpoint Volume API for Master");
_audioDefaultDevice = new AEDev(resetDevice);
if (_audioDefaultDevice != null)
{
_audioDefaultDevice.OnVolumeNotification +=
new AudioEndpointVolumeNotificationDelegate(AudioEndpointVolume_OnVolumeNotification);
_isMuted = _audioDefaultDevice.Muted;
_volume = (int)Math.Round(_audioDefaultDevice.MasterVolume * VolumeMaximum);
}
}
catch (Exception ex)
{
Log.Error($"Mixer: Open(), Exception in Endpoint Volume API for Master: {ex}");
_isMuted = false;
_volume = 100;
}
}
else if (OSInfo.OSInfo.VistaOrLater() && _componentType == MixerComponentType.SourceWave)
{
try
{
Log.Debug("Mixer: Open(), Endpoint Volume API for Wave");
_audioDefaultDevice = new AEDev(resetDevice);
if (_audioDefaultDevice != null)
{
_audioDefaultDevice.OnVolumeNotification +=
new AudioEndpointVolumeNotificationDelegate(AudioEndpointVolume_OnVolumeNotification);
}
}
catch (Exception ex)
{
Log.Error($"Mixer: Open(), Exception in Endpoint Volume API for Wave: {ex}");
}
}
// Use Windows Multimedia mixer functions for XP and for Vista and later if wave volume is selected
if (_componentType == MixerComponentType.SourceWave || !OSInfo.OSInfo.VistaOrLater())
{
if (_mixerEventListener == null)
{
_mixerEventListener = new MixerEventListener();
_mixerEventListener.Start();
}
_mixerEventListener.LineChanged += new MixerEventHandler(OnLineChanged);
_mixerEventListener.ControlChanged += new MixerEventHandler(OnControlChanged);
MixerNativeMethods.MixerControl mc = new MixerNativeMethods.MixerControl();
mc.Size = 0;
mc.ControlId = 0;
mc.ControlType = MixerControlType.Volume;
mc.fdwControl = 0;
mc.MultipleItems = 0;
mc.ShortName = string.Empty;
mc.Name = string.Empty;
mc.Minimum = 0;
mc.Maximum = 0;
mc.Reserved = 0;
IntPtr handle = IntPtr.Zero;
if (
MixerNativeMethods.mixerOpen(ref handle, mixerIndex, _mixerEventListener.Handle, 0,
MixerFlags.CallbackWindow) !=
MixerError.None)
{
throw new InvalidOperationException();
}
_handle = handle;
_mixerControlDetailsVolume = GetControl(_componentType, MixerControlType.Volume);
_mixerControlDetailsMute = GetControl(_componentType, MixerControlType.Mute);
_isMuted = (int)GetValue(_componentType, MixerControlType.Mute) == 1;
_volume = (int)GetValue(_componentType, MixerControlType.Volume);
_isMutedWave = _isMuted;
_volumeWave = _volume;
}
}
}
}
catch (Exception ex)
{
Log.Error($"Mixer: error occured in Open(): {ex}");
_isMuted = false;
_volume = 100;
}
}
public void Open(int mixerIndex, bool isDigital)
{
lock (this)
{
if (isDigital)
{
_componentType = MixerComponentType.SourceWave;
}
// not enough to change this..
if (_mixerEventListener == null)
{
_mixerEventListener = new MixerEventListener();
_mixerEventListener.Start();
}
_mixerEventListener.LineChanged += new MixerEventHandler(OnLineChanged);
_mixerEventListener.ControlChanged += new MixerEventHandler(OnControlChanged);
MixerNativeMethods.MixerControl mc = new MixerNativeMethods.MixerControl();
mc.Size = 0;
mc.ControlId = 0;
mc.ControlType = MixerControlType.Volume;
mc.fdwControl = 0;
mc.MultipleItems = 0;
mc.ShortName = string.Empty;
mc.Name = string.Empty;
mc.Minimum = 0;
mc.Maximum = 0;
mc.Reserved = 0;
IntPtr handle = IntPtr.Zero;
if (
MixerNativeMethods.mixerOpen(ref handle, mixerIndex, _mixerEventListener.Handle, 0, MixerFlags.CallbackWindow) !=
MixerError.None)
{
throw new InvalidOperationException();
}
_handle = handle;
_mixerControlDetailsVolume = GetControl(_componentType, MixerControlType.Volume);
_mixerControlDetailsMute = GetControl(_componentType, MixerControlType.Mute);
_isMuted = (int)GetValue(_componentType, MixerControlType.Mute) == 1;
_volume = (int)GetValue(_componentType, MixerControlType.Volume);
}
}
public void Open(int mixerIndex, bool isDigital)
{
lock (this)
{
if (isDigital)
{
_componentType = MixerComponentType.SourceWave;
}
else
{
_componentType = MixerComponentType.DestinationSpeakers;
}
// not enough to change this..
if (OSInfo.OSInfo.VistaOrLater() & (_componentType == MixerComponentType.DestinationSpeakers))
{
_audioDefaultDevice = new AEDev();
_audioDefaultDevice.OnVolumeNotification += new AudioEndpointVolumeNotificationDelegate(AudioEndpointVolume_OnVolumeNotification);
_isMuted = _audioDefaultDevice.Muted;
_volume = (int)Math.Round(_audioDefaultDevice.MasterVolume * VolumeMaximum);
return;
}
if (_mixerEventListener == null)
{
_mixerEventListener = new MixerEventListener();
_mixerEventListener.Start();
}
_mixerEventListener.LineChanged += new MixerEventHandler(OnLineChanged);
_mixerEventListener.ControlChanged += new MixerEventHandler(OnControlChanged);
MixerNativeMethods.MixerControl mc = new MixerNativeMethods.MixerControl();
mc.Size = 0;
mc.ControlId = 0;
mc.ControlType = MixerControlType.Volume;
mc.fdwControl = 0;
mc.MultipleItems = 0;
mc.ShortName = string.Empty;
mc.Name = string.Empty;
mc.Minimum = 0;
mc.Maximum = 0;
mc.Reserved = 0;
IntPtr handle = IntPtr.Zero;
if (
MixerNativeMethods.mixerOpen(ref handle, mixerIndex, _mixerEventListener.Handle, 0, MixerFlags.CallbackWindow) !=
MixerError.None)
{
throw new InvalidOperationException();
}
_handle = handle;
_mixerControlDetailsVolume = GetControl(_componentType, MixerControlType.Volume);
_mixerControlDetailsMute = GetControl(_componentType, MixerControlType.Mute);
_isMuted = (int)GetValue(_componentType, MixerControlType.Mute) == 1;
_volume = (int)GetValue(_componentType, MixerControlType.Volume);
}
}
