static AudioDeviceEnumerator()
{
IntPtr device = IntPtr.Zero;
ContextHandle context = ContextHandle.Zero;
try
{
device = Alc.OpenDevice((string)null);
int num1 = (int)Alc.GetError(device);
context = Alc.CreateContext(device, (int[])null);
int num2 = (int)Alc.GetError(device);
bool flag = Alc.MakeContextCurrent(context);
AlcError error1 = Alc.GetError(device);
if (!flag)
{
throw new AudioContextException("Failed to create dummy Context. Device (" + device.ToString() + ") Context (" + context.Handle.ToString() + ") MakeContextCurrent " + (flag ? "succeeded" : "failed") + ", Alc Error (" + ((object)error1).ToString() + ") " + Alc.GetString(IntPtr.Zero, (AlcGetString)error1));
}
else
{
if (Alc.IsExtensionPresent(IntPtr.Zero, "ALC_ENUMERATION_EXT"))
{
AudioDeviceEnumerator.version = AudioDeviceEnumerator.AlcVersion.Alc1_1;
if (Alc.IsExtensionPresent(IntPtr.Zero, "ALC_ENUMERATE_ALL_EXT"))
{
AudioDeviceEnumerator.available_playback_devices.AddRange((IEnumerable <string>)Alc.GetString(IntPtr.Zero, AlcGetStringList.AllDevicesSpecifier));
AudioDeviceEnumerator.default_playback_device = Alc.GetString(IntPtr.Zero, AlcGetString.DefaultAllDevicesSpecifier);
}
else
{
AudioDeviceEnumerator.available_playback_devices.AddRange((IEnumerable <string>)Alc.GetString(IntPtr.Zero, AlcGetStringList.DeviceSpecifier));
AudioDeviceEnumerator.default_playback_device = Alc.GetString(IntPtr.Zero, AlcGetString.DefaultDeviceSpecifier);
}
}
else
{
AudioDeviceEnumerator.version = AudioDeviceEnumerator.AlcVersion.Alc1_0;
}
AlcError error2 = Alc.GetError(device);
if (error2 != AlcError.NoError)
{
throw new AudioContextException("Alc Error occured when querying available playback devices. " + ((object)error2).ToString());
}
if (AudioDeviceEnumerator.version == AudioDeviceEnumerator.AlcVersion.Alc1_1 && Alc.IsExtensionPresent(IntPtr.Zero, "ALC_EXT_CAPTURE"))
{
AudioDeviceEnumerator.available_recording_devices.AddRange((IEnumerable <string>)Alc.GetString(IntPtr.Zero, AlcGetStringList.CaptureDeviceSpecifier));
AudioDeviceEnumerator.default_recording_device = Alc.GetString(IntPtr.Zero, AlcGetString.CaptureDefaultDeviceSpecifier);
}
AlcError error3 = Alc.GetError(device);
if (error3 != AlcError.NoError)
{
throw new AudioContextException("Alc Error occured when querying available recording devices. " + ((object)error3).ToString());
}
}
}
catch (DllNotFoundException ex)
{
Trace.WriteLine(ex.ToString());
AudioDeviceEnumerator.openal_supported = false;
}
catch (AudioContextException ex)
{
Trace.WriteLine(ex.ToString());
AudioDeviceEnumerator.lastError = ex.ToString();
AudioDeviceEnumerator.openal_supported = false;
}
finally
{
Alc.MakeContextCurrent(ContextHandle.Zero);
if (context != ContextHandle.Zero && context.Handle != IntPtr.Zero)
{
Alc.DestroyContext(context);
}
if (device != IntPtr.Zero)
{
Alc.CloseDevice(device);
}
}
}
static AudioDeviceEnumerator()
{
IntPtr device = IntPtr.Zero;
ContextHandle context = ContextHandle.Zero;
try
{
device = Alc.OpenDevice((string) null);
int num1 = (int) Alc.GetError(device);
context = Alc.CreateContext(device, (int[]) null);
int num2 = (int) Alc.GetError(device);
bool flag = Alc.MakeContextCurrent(context);
AlcError error1 = Alc.GetError(device);
if (!flag)
{
throw new AudioContextException("Failed to create dummy Context. Device (" + device.ToString() + ") Context (" + context.Handle.ToString() + ") MakeContextCurrent " + (flag ? "succeeded" : "failed") + ", Alc Error (" + ((object) error1).ToString() + ") " + Alc.GetString(IntPtr.Zero, (AlcGetString) error1));
}
else
{
if (Alc.IsExtensionPresent(IntPtr.Zero, "ALC_ENUMERATION_EXT"))
{
AudioDeviceEnumerator.version = AudioDeviceEnumerator.AlcVersion.Alc1_1;
if (Alc.IsExtensionPresent(IntPtr.Zero, "ALC_ENUMERATE_ALL_EXT"))
{
AudioDeviceEnumerator.available_playback_devices.AddRange((IEnumerable<string>) Alc.GetString(IntPtr.Zero, AlcGetStringList.AllDevicesSpecifier));
AudioDeviceEnumerator.default_playback_device = Alc.GetString(IntPtr.Zero, AlcGetString.DefaultAllDevicesSpecifier);
}
else
{
AudioDeviceEnumerator.available_playback_devices.AddRange((IEnumerable<string>) Alc.GetString(IntPtr.Zero, AlcGetStringList.DeviceSpecifier));
AudioDeviceEnumerator.default_playback_device = Alc.GetString(IntPtr.Zero, AlcGetString.DefaultDeviceSpecifier);
}
}
else
AudioDeviceEnumerator.version = AudioDeviceEnumerator.AlcVersion.Alc1_0;
AlcError error2 = Alc.GetError(device);
if (error2 != AlcError.NoError)
throw new AudioContextException("Alc Error occured when querying available playback devices. " + ((object) error2).ToString());
if (AudioDeviceEnumerator.version == AudioDeviceEnumerator.AlcVersion.Alc1_1 && Alc.IsExtensionPresent(IntPtr.Zero, "ALC_EXT_CAPTURE"))
{
AudioDeviceEnumerator.available_recording_devices.AddRange((IEnumerable<string>) Alc.GetString(IntPtr.Zero, AlcGetStringList.CaptureDeviceSpecifier));
AudioDeviceEnumerator.default_recording_device = Alc.GetString(IntPtr.Zero, AlcGetString.CaptureDefaultDeviceSpecifier);
}
AlcError error3 = Alc.GetError(device);
if (error3 != AlcError.NoError)
throw new AudioContextException("Alc Error occured when querying available recording devices. " + ((object) error3).ToString());
}
}
catch (DllNotFoundException ex)
{
Trace.WriteLine(ex.ToString());
AudioDeviceEnumerator.openal_supported = false;
}
catch (AudioContextException ex)
{
Trace.WriteLine(ex.ToString());
AudioDeviceEnumerator.lastError = ex.ToString();
AudioDeviceEnumerator.openal_supported = false;
}
finally
{
Alc.MakeContextCurrent(ContextHandle.Zero);
if (context != ContextHandle.Zero && context.Handle != IntPtr.Zero)
Alc.DestroyContext(context);
if (device != IntPtr.Zero)
Alc.CloseDevice(device);
}
}
