/// <summary>
/// The Constructor
/// </summary>
public AudioDeviceController()
{
_deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
_deviceNotification = new MMNotificationClient();
_deviceEnumerator.RegisterEndpointNotificationCallback(_deviceNotification);
_deviceNotification.RegisterAudioDeviceStateChange(OnAudioDeviceChange);
}
/// <summary>
/// Tries to set the volume to a specified level
/// </summary>
/// <returns>returns true if the keypress was sent, false if there was an error</returns>
public bool SetVolume(int Volume)
{
try
{
IMMDeviceEnumerator enumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice device;
int eRender = 0;
int eMultimedia = 1;
enumerator.GetDefaultAudioEndpoint(eRender, eMultimedia, out device);
object endpoint = null;
device.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out endpoint);
IAudioEndpointVolume audio = (IAudioEndpointVolume)endpoint;
if (audio.SetMasterVolumeLevelScalar(Volume / 100f, new Guid()) != 0)
{
throw new Exception();
}
return(true);
}
catch
{
return(false);
}
}
private static ISimpleAudioVolume GetVolumeObject(int?pid)
{
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia, out IMMDevice speakers);
Guid IID_IAudioSessionManager2 = typeof(IAudioSessionManager2).GUID;
speakers.Activate(ref IID_IAudioSessionManager2, 0, IntPtr.Zero, out object o);
IAudioSessionManager2 mgr = (IAudioSessionManager2)o;
mgr.GetSessionEnumerator(out IAudioSessionEnumerator sessionEnumerator);
sessionEnumerator.GetCount(out int count);
ISimpleAudioVolume volumeControl = null;
for (int i = 0; i < count; i++)
{
sessionEnumerator.GetSession(i, out IAudioSessionControl2 ctl);
ctl.GetProcessId(out int cpid);
if (cpid == pid)
{
volumeControl = ctl as ISimpleAudioVolume;
break;
}
Marshal.ReleaseComObject(ctl);
}
Marshal.ReleaseComObject(sessionEnumerator);
Marshal.ReleaseComObject(mgr);
Marshal.ReleaseComObject(speakers);
Marshal.ReleaseComObject(deviceEnumerator);
return(volumeControl);
}
/// <summary>
/// Tries to get the currently set volume
/// </summary>
/// <returns>either the current audio volume or null if the level could not be read</returns>
public Nullable <int> GetCurrentVolume()
{
try
{
float level = 0;
IMMDeviceEnumerator enumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice device;
int eRender = 0;
int eMultimedia = 1;
enumerator.GetDefaultAudioEndpoint(eRender, eMultimedia, out device);
object endpoint = null;
device.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out endpoint);
IAudioEndpointVolume audio = (IAudioEndpointVolume)endpoint;
audio.GetMasterVolumeLevelScalar(ref level);
return((int)(level * 100));
}
catch
{
return(null);
}
}
public static bool?IsMicrophoneMute()
{
bool mute = false;
try
{
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice microphone = null;
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eCapture, ERole.eCommunications, out microphone);
if (microphone != null)
{
object aepv_obj;
microphone.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
int v = 0;
int res = aepv.GetMute(out v);
mute = (v == 1);
Console.WriteLine($"Audio capture mute state is {mute}");
return(mute);
}
}
catch (Exception ex)
{
Debug.WriteLine($"**Could not read Audio capture mute state ** {ex.Message}");
}
return(null);
}
public static int SetMicrophoneMasterVolume(float volume)
{
if (volume < 0 || volume > 1)
{
throw new ArgumentOutOfRangeException("Provide volumet between 0 and 1");
}
try
{
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice microphone = null;
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eCapture, ERole.eCommunications, out microphone);
if (microphone != null)
{
object aepv_obj;
microphone.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
Guid ZeroGuid = new Guid();
int res = aepv.SetMasterVolumeLevelScalar(volume, ZeroGuid);
Console.WriteLine($"Audio microphone level set to {volume}%");
return(res);
}
}
catch (Exception ex)
{
Console.WriteLine($"**Could not set microphone level** {ex.Message}");
return(ex.HResult);
}
return(1); // no mic
}
public static int SetMicrophoneMute(bool mute)
{
try
{
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice microphone = null;
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eCapture, ERole.eCommunications, out microphone);
if (microphone != null)
{
object aepv_obj;
microphone.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
Guid ZeroGuid = new Guid();
int v = mute ? 1 : 0;
int res = aepv.SetMute(v, ref ZeroGuid);
Console.WriteLine($"Audio mute is set to {mute}");
return(0);
}
}
catch (Exception ex)
{
Debug.WriteLine($"**Could not set Audio capture mute state** {ex.Message}");
return(ex.HResult);
}
return(1); // no mic
}
public AudioControl(AudioDataFlow audioFlow)
{
_audioDataFlow = audioFlow;
//Create Instance
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
InitializeAudio(audioFlow, deviceEnumerator);
}
public static void setVolume(int level)
{
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice speakers;
const int eRender = 0;
const int eMultimedia = 1;
deviceEnumerator.GetDefaultAudioEndpoint(eRender, eMultimedia, out speakers);
object aepv_obj;
speakers.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
Guid ZeroGuid = new Guid();
aepv.SetMasterVolumeLevelScalar(level / 100f, ZeroGuid);
}
public static void SetVol(int Level)
{
try
{
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice speakers;
const int eRender = 0;
const int eMultimedia = 1;
deviceEnumerator.GetDefaultAudioEndpoint(eRender, eMultimedia, out speakers);
object aepv_obj;
speakers.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
Guid ZeroGuid = new Guid();
int res = aepv.SetMasterVolumeLevelScalar(Level / 100f, ZeroGuid);
MMDevice defaultDevice = new MMDeviceEnumerator().GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
}
catch { Console.WriteLine("VolumeMixer.SetVol casting issue"); }
}
public static int GetMasterMicVolume()
{
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice speakers;
const int eCapture = 1;
const int eMultimedia = 1;
deviceEnumerator.GetDefaultAudioEndpoint(eCapture, eMultimedia, out speakers);
object aepv_obj;
speakers.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
//Guid ZeroGuid = new Guid();
//int res = aepv.SetMasterVolumeLevelScalar(level / 100f, ZeroGuid);
float masterLevel = 0.00f;
aepv.GetMasterVolumeLevelScalar(ref masterLevel);
return(Convert.ToInt32(masterLevel * 100));
}
public static void SetMasterMicVolume(int level)
{
if (level < 0 || level > 100)
{
return;
}
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice speakers;
const int eCapture = 1;
const int eMultimedia = 1;
deviceEnumerator.GetDefaultAudioEndpoint(eCapture, eMultimedia, out speakers);
object aepv_obj;
speakers.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
Guid ZeroGuid = new Guid();
int res = aepv.SetMasterVolumeLevelScalar(level / 100f, ZeroGuid);
}
/// <summary>
/// Set the volume on the victims pc
/// </summary>
/// <param name="percentage">0-100</param>
private static void SetVolume(string percentage)
{
try
{
float volume = float.Parse(percentage) / 100;
keybd_event(VK_VOLUME_UP, MapVirtualKey(VK_VOLUME_UP, 0), KEYEVENTF_EXTENDEDKEY, 0);
keybd_event(VK_VOLUME_UP, MapVirtualKey(VK_VOLUME_UP, 0), KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
IMMDeviceEnumerator deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
IMMDevice speakers;
const int eRender = 0;
const int eMultimedia = 1;
deviceEnumerator.GetDefaultAudioEndpoint(eRender, eMultimedia, out speakers);
object aepv_obj;
speakers.Activate(typeof(IAudioEndpointVolume).GUID, 0, IntPtr.Zero, out aepv_obj);
IAudioEndpointVolume aepv = (IAudioEndpointVolume)aepv_obj;
Guid ZeroGuid = new Guid();
int res = aepv.SetMasterVolumeLevelScalar(volume, ZeroGuid);
}
catch (Exception) { }
}
public static void SetApplicationMute(int pid, bool?mute)
{
if (mute == null)
{
return;
}
{
IMMDeviceEnumerator deviceEnumerator = null;
IAudioSessionEnumerator sessionEnumerator = null;
IAudioSessionManager2 mgr = null;
IMMDevice speakers = null;
try
{
deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia, out speakers);
Guid IID_IAudioSessionManager2 = typeof(IAudioSessionManager2).GUID;
speakers.Activate(ref IID_IAudioSessionManager2, 0, IntPtr.Zero, out object o);
mgr = (IAudioSessionManager2)o;
mgr.GetSessionEnumerator(out sessionEnumerator);
sessionEnumerator.GetCount(out int count);
ISimpleAudioVolume volumeControl = null;
for (int i = 0; i < count; ++i)
{
IAudioSessionControl2 ctl = null;
try
{
sessionEnumerator.GetSession(i, out ctl);
ctl.GetProcessId(out int cpid);
if (cpid == pid)
{
Guid guid = Guid.Empty;
volumeControl = ctl as ISimpleAudioVolume;
volumeControl.SetMute(Convert.ToBoolean(mute), ref guid);
}
}
finally
{
if (ctl != null)
{
Marshal.ReleaseComObject(ctl);
}
}
}
}
catch
{
}
finally
{
if (speakers != null)
{
Marshal.ReleaseComObject(speakers);
}
if (mgr != null)
{
Marshal.ReleaseComObject(mgr);
}
if (sessionEnumerator != null)
{
Marshal.ReleaseComObject(sessionEnumerator);
}
if (deviceEnumerator != null)
{
Marshal.ReleaseComObject(deviceEnumerator);
}
}
}
}
public static void SetApplicationVolume(int?pid, float?volume)
{
if (pid == null || volume == null)
{
return;
}
IMMDeviceEnumerator deviceEnumerator = null;
IAudioSessionEnumerator sessionEnumerator = null;
IAudioSessionManager2 mgr = null;
IMMDevice speakers = null;
try
{
deviceEnumerator = MMDeviceEnumeratorFactory.CreateInstance();
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia, out speakers);
Guid IID_IAudioSessionManager2 = typeof(IAudioSessionManager2).GUID;
speakers.Activate(ref IID_IAudioSessionManager2, 0, IntPtr.Zero, out object o);
mgr = (IAudioSessionManager2)o;
mgr.GetSessionEnumerator(out sessionEnumerator);
sessionEnumerator.GetCount(out int count);
ISimpleAudioVolume volumeControl = null;
for (int i = 0; i < count; ++i)
{
IAudioSessionControl2 ctl = null;
try
{
sessionEnumerator.GetSession(i, out ctl);
ctl.GetProcessId(out int cpid);
if (cpid == pid)
{
Guid guid = Guid.Empty;
volumeControl = ctl as ISimpleAudioVolume;
volumeControl.SetMasterVolume((float)volume, ref guid);
}
}
finally
{
if (ctl != null)
{
Marshal.ReleaseComObject(ctl);
}
}
}
}
catch
{
Debug.WriteLine("Major Error");
// If it gets to this point something is very wrong
}
finally
{
if (speakers != null)
{
Marshal.ReleaseComObject(speakers);
}
if (mgr != null)
{
Marshal.ReleaseComObject(mgr);
}
if (sessionEnumerator != null)
{
Marshal.ReleaseComObject(sessionEnumerator);
}
if (deviceEnumerator != null)
{
Marshal.ReleaseComObject(deviceEnumerator);
}
}
}