public static PaDeviceInfo PA_GetDeviceInfo(int device)
{
IntPtr ptr = PA_GetDeviceInfoPtr(device);
PaDeviceInfo info = (PaDeviceInfo)Marshal.PtrToStructure(ptr, typeof(PaDeviceInfo));
return(info);
}
public static List <AudioDevice> GetDevices(DeviceDirection direction)
{
List <AudioDevice> list = new List <AudioDevice>();
int num = PortAudioAPI.Pa_GetDefaultInputDevice();
int num2 = PortAudioAPI.Pa_GetDefaultOutputDevice();
int num3 = PortAudioAPI.Pa_GetDeviceCount();
for (int i = 0; i < num3; i++)
{
PaDeviceInfo paDeviceInfo = PortAudioAPI.Pa_GetDeviceInfo(i);
DeviceDirection deviceDirection = (paDeviceInfo.maxInputChannels <= 0) ? DeviceDirection.Output : ((paDeviceInfo.maxOutputChannels > 0) ? DeviceDirection.InputOutput : DeviceDirection.Input);
if (deviceDirection == direction || deviceDirection == DeviceDirection.InputOutput)
{
PaHostApiInfo paHostApiInfo = PortAudioAPI.Pa_GetHostApiInfo(paDeviceInfo.hostApi);
AudioDevice audioDevice = new AudioDevice();
audioDevice.Name = paDeviceInfo.name;
audioDevice.Host = paHostApiInfo.name;
audioDevice.Index = i;
audioDevice.Direction = deviceDirection;
audioDevice.IsDefault = (i == num || i == num2);
list.Add(audioDevice);
}
}
return(list);
}
public static DeviceInfo FromNative(IntPtr ptr)
{
PaDeviceInfo native = Marshal.PtrToStructure <PaDeviceInfo>(ptr);
DeviceInfo managed = new DeviceInfo();
managed.StructVersion = native.structVersion;
managed.Name = Marshal.PtrToStringAnsi(native.name);
managed.HostApi = native.hostApi;
managed.DefaultLowInputLatency = native.defaultLowInputLatency;
managed.DefaultLowOutputLatency = native.defaultLowOutputLatency;
managed.DefaultHighInputLatency = native.defaultHighInputLatency;
managed.DefaultHighOutputLatency = native.defaultHighOutputLatency;
managed.DefaultSampleRate = native.defaultSampleRate;
return(managed);
}
public static List <AudioDevice> GetDevices(AudioDeviceDirection direction)
{
List <AudioDevice> audioDevices = new List <AudioDevice>();
int count = Pa_GetDeviceCount();
int defaultIn = Pa_GetDefaultInputDevice();
int defaultOut = Pa_GetDefaultOutputDevice();
for (int i = 0; i < count; i++)
{
PaDeviceInfo deviceInfo = Pa_GetDeviceInfo(i);
AudioDeviceDirection deviceDirection = deviceInfo.maxInputChannels > 0 ? (deviceInfo.maxOutputChannels > 0 ? AudioDeviceDirection.InputOutput : AudioDeviceDirection.Input) : AudioDeviceDirection.Output;
if (deviceDirection == direction || deviceDirection == AudioDeviceDirection.InputOutput)
{
PaHostApiInfo hostInfo = Pa_GetHostApiInfo(deviceInfo.hostApi);
audioDevices.Add(new AudioDevice(deviceInfo.name, hostInfo.name, i, deviceDirection, i == defaultIn || i == defaultOut));
}
}
return(audioDevices);
}
