/// <inheritdoc/>
protected override void Dispose(bool disposing)
{
if (_nativeHandle != IntPtr.Zero)
{
// Unregister the callbacks
if (_selfHandle != IntPtr.Zero)
{
LocalVideoTrackInterop.LocalVideoTrack_RegisterI420AFrameCallback(_nativeHandle, null, IntPtr.Zero);
LocalVideoTrackInterop.LocalVideoTrack_RegisterARGBFrameCallback(_nativeHandle, null, IntPtr.Zero);
GCHandle.FromIntPtr(_selfHandle).Free();
if (disposing)
{
_interopCallbackArgs = null;
}
_selfHandle = IntPtr.Zero;
}
// Remove the track from the peer connection, and release the reference
// to the peer connection.
if (!_nativePeerHandle.IsClosed)
{
PeerConnectionInterop.PeerConnection_RemoveLocalVideoTrack(_nativePeerHandle, _nativeHandle);
_nativePeerHandle.Close();
}
}
if (disposing)
{
PeerConnection = null;
}
base.Dispose(disposing);
}
private void RegisterInteropCallbacks()
{
_interopCallbackArgs = new LocalVideoTrackInterop.InteropCallbackArgs()
{
Track = this,
I420AFrameCallback = LocalVideoTrackInterop.I420AFrameCallback,
ARGBFrameCallback = LocalVideoTrackInterop.ARGBFrameCallback,
};
_selfHandle = Utils.MakeWrapperRef(this);
LocalVideoTrackInterop.LocalVideoTrack_RegisterI420AFrameCallback(
_nativeHandle, _interopCallbackArgs.I420AFrameCallback, _selfHandle);
LocalVideoTrackInterop.LocalVideoTrack_RegisterARGBFrameCallback(
_nativeHandle, _interopCallbackArgs.ARGBFrameCallback, _selfHandle);
}