/// <inheritdoc/>
public void Dispose()
{
if (_nativeHandle.IsClosed)
{
return;
}
// Remove the track from the peer connection, if any
if (Transceiver != null)
{
Debug.Assert(PeerConnection != null);
Debug.Assert(Transceiver.LocalTrack == this);
Transceiver.LocalAudioTrack = null;
}
Debug.Assert(PeerConnection == null);
Debug.Assert(Transceiver == null);
// Unregister interop callbacks
if (_selfHandle != IntPtr.Zero)
{
LocalAudioTrackInterop.LocalAudioTrack_RegisterFrameCallback(_nativeHandle, null, IntPtr.Zero);
Utils.ReleaseWrapperRef(_selfHandle);
_selfHandle = IntPtr.Zero;
_interopCallbackArgs = null;
}
// Destroy the native object. This may be delayed if a P/Invoke callback is underway,
// but will be handled at some point anyway, even if the managed instance is gone.
_nativeHandle.Dispose();
}
private void RegisterInteropCallbacks()
{
_interopCallbackArgs = new LocalAudioTrackInterop.InteropCallbackArgs()
{
Track = this,
FrameCallback = LocalAudioTrackInterop.FrameCallback,
};
_selfHandle = Utils.MakeWrapperRef(this);
LocalAudioTrackInterop.LocalAudioTrack_RegisterFrameCallback(
_nativeHandle, _interopCallbackArgs.FrameCallback, _selfHandle);
}