internal AudioDevice(Audio audio, Imports.PjAudioDeviceInfo audioDeviceInfo, int index)
{
Audio = audio;
Index = index;
Name = audioDeviceInfo.Name;
PlaybackSupport = audioDeviceInfo.OutputCount > 0;
RecordingSupport = audioDeviceInfo.InputCount > 0;
}
private void ReloadAudioDevices()
{
var audioDevices = new List <AudioDevice>();
var cnt = (uint)Imports.dll_enumerateSoundDevicesCount();
IntPtr ptr = IntPtr.Zero;
try
{
var sz = Marshal.SizeOf(new Imports.PjAudioDeviceInfo());
ptr = Marshal.AllocCoTaskMem((int)(sz * cnt));
cnt = (uint)Imports.dll_enumerateSoundDevices(ptr, cnt);
var devices = new Imports.PjAudioDeviceInfo[cnt];
var longPtr = ptr.ToInt64();
for (int i = 0; i < cnt; i++)
{
var currentPtr = new IntPtr(longPtr);
devices[i] = (Imports.PjAudioDeviceInfo)Marshal.PtrToStructure(currentPtr, typeof(Imports.PjAudioDeviceInfo));
longPtr += sz;
if (devices[i].IsNull == 0 && i > 0) // 0-item is default mapper. Let's hide it from users eyes.
{
lock (_audioDevicesWatcher.Devices)
{
audioDevices.Add(new AudioDevice(this, devices[i], i)
{
AudioDeviceDescriptor = _audioDevicesWatcher.Devices.FirstOrDefault(x => x.Name.StartsWith(devices[i].Name))
});
}
}
}
AudioDevices = audioDevices;
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(ptr);
}
}
}
