public static PaError PaAsio_GetOutputChannelName(PaDeviceIndex device, int channelIndex, ref string channelName)
{
IntPtr charPtr = new IntPtr(0);
PaError err = IntPtr_PaAsio_GetOutputChannelName(device, channelIndex, out charPtr);
string str = Marshal.PtrToStringAnsi(charPtr);
channelName = str;
return err;
}
public static PaError PaAsio_GetInputChannelName(PaDeviceIndex device, int channelIndex, ref string channelName)
{
IntPtr charPtr = new IntPtr(0);
PaError err = IntPtr_PaAsio_GetInputChannelName(device, channelIndex, out charPtr);
string str = Marshal.PtrToStringAnsi(charPtr);
channelName = str;
return(err);
}
public static PortAudioDevice GetPortAudioDevice(PaDeviceIndex index)
{
if (index.TryGetErrorCode(out var err))
{
throw PortAudioException.GetException(err);
}
if (DeviceCache.TryGetValue(index, out var reference) && reference.TryGetTarget(out var target))
{
return(target);
}
var device = new PortAudioDevice(index);
DeviceCache[index] = new WeakReference <PortAudioDevice>(device);
return(device);
}
public static extern PaError IntPtr_PaAsio_GetOutputChannelName(PaDeviceIndex device, int channelIndex, out IntPtr channelName);
public static extern PaError IntPtr_PaAsio_GetInputChannelName(PaDeviceIndex device, int channelIndex, out IntPtr channelName);
internal PortAudioDevice(PaDeviceIndex deviceIndex)
{
PortAudioLifetimeRegistry.Register(this);
DeviceIndex = deviceIndex;
}
