/// <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);
}
internal LocalVideoTrack(PeerConnection peer, PeerConnectionHandle nativePeerHandle, IntPtr nativeHandle, string trackName)
: base(nativeHandle)
{
PeerConnection = peer;
PeerConnectionInterop.PeerConnection_AddRef(nativePeerHandle);
_nativePeerHandle = nativePeerHandle.MakeCopy();
Name = trackName;
RegisterInteropCallbacks();
}
internal void OnTrackRemoved(PeerConnection previousConnection)
{
Debug.Assert(PeerConnection == previousConnection);
Debug.Assert(_nativeHandle != IntPtr.Zero);
if (!_nativePeerHandle.IsInvalid)
{
PeerConnectionInterop.PeerConnection_RemoveLocalVideoTrack(_nativePeerHandle, _nativeHandle);
_nativePeerHandle.Close();
}
PeerConnection = null;
}