public async Task BeforeConnect()
{
// Add local video track channel to #1
var settings = new PeerConnection.LocalVideoTrackSettings();
LocalVideoTrack track1 = await pc1_.AddLocalVideoTrackAsync(settings);
Assert.NotNull(track1);
Assert.AreEqual(pc1_, track1.PeerConnection);
// Wait for local SDP re-negotiation on #1.
// This will not create an offer, since we're not connected yet.
Assert.True(renegotiationEvent1_.Wait(TimeSpan.FromSeconds(60.0)));
// Connect
Assert.True(pc1_.CreateOffer());
WaitForSdpExchangeCompleted();
Assert.True(pc1_.IsConnected);
Assert.True(pc2_.IsConnected);
// Remove the track from #1
renegotiationEvent1_.Reset();
pc1_.RemoveLocalVideoTrack(track1);
Assert.IsNull(track1.PeerConnection);
track1.Dispose();
// Wait for local SDP re-negotiation on #1
Assert.True(renegotiationEvent1_.Wait(TimeSpan.FromSeconds(60.0)));
// Confirm remote track was removed from #2
Assert.True(trackRemovedEvent2_.Wait(TimeSpan.FromSeconds(60.0)));
// Wait until SDP renegotiation finished
WaitForSdpExchangeCompleted();
}
/// <inheritdoc/>
public void Dispose()
{
if (_nativeHandle.IsClosed)
{
return;
}
// Remove the track from the peer connection, if any
PeerConnection?.RemoveLocalVideoTrack(this);
Debug.Assert(PeerConnection == null); // see OnTrackRemoved
// Unregister interop callbacks
if (_selfHandle != IntPtr.Zero)
{
LocalVideoTrackInterop.LocalVideoTrack_RegisterI420AFrameCallback(_nativeHandle, null, IntPtr.Zero);
LocalVideoTrackInterop.LocalVideoTrack_RegisterArgb32FrameCallback(_nativeHandle, null, IntPtr.Zero);
Utils.ReleaseWrapperRef(_selfHandle);
_selfHandle = IntPtr.Zero;
_interopCallbackArgs = null;
}
// Currently there is a 1:1 mapping between track and source, so the track owns its
// source and must dipose of it.
Source?.Dispose();
// 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 StopLocalVideo()
{
lock (_isLocalVideoPlayingLock)
{
if (_isLocalVideoPlaying)
{
localVideo.MediaPlayer.Pause();
_peerConnection.RemoveLocalVideoTrack();
_isLocalVideoPlaying = false;
}
}
}