private async void CallStateChangedHandler(object sender, ToxAvEventArgs.CallStateEventArgs e)
{
if (e.FriendNumber != _friendNumber)
return;
if (e.State.HasFlag(ToxAvFriendCallState.ReceivingAudio) ||
e.State.HasFlag(ToxAvFriendCallState.SendingAudio))
{
await _dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => { State = CallState.DuringCall; });
}
_friendIsReceivingAudio = e.State.HasFlag(ToxAvFriendCallState.ReceivingAudio);
if (e.State.HasFlag(ToxAvFriendCallState.Finished) || e.State.HasFlag(ToxAvFriendCallState.Error))
{
StopAudioGraph();
await _dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => { State = CallState.Default; });
}
}
private void toxav_OnInvite(object sender, ToxAvEventArgs.CallStateEventArgs e)
{
//TODO: notify the user of another incoming call
if (call != null)
return;
Dispatcher.BeginInvoke(((Action)(() =>
{
var friend = ViewModel.GetFriendObjectByNumber(toxav.GetPeerID(e.CallIndex, 0));
if (friend != null)
{
friend.CallIndex = e.CallIndex;
friend.IsCalling = true;
}
})));
}
private void toxav_OnStart(object sender, ToxAvEventArgs.CallStateEventArgs e)
{
var settings = toxav.GetPeerCodecSettings(e.CallIndex, 0);
if (call != null)
call.Start(config.InputDevice, config.OutputDevice, settings, config.VideoDevice);
Dispatcher.BeginInvoke(((Action)(() =>
{
if (settings.CallType == ToxAvCallType.Video)
{
VideoImageRow.Height = new GridLength(300);
VideoGridSplitter.IsEnabled = true;
}
int friendnumber = toxav.GetPeerID(e.CallIndex, 0);
var callingFriend = ViewModel.GetFriendObjectByNumber(friendnumber);
if (callingFriend != null)
{
callingFriend.IsCalling = false;
callingFriend.IsCallingToFriend = false;
CallButton.Visibility = Visibility.Collapsed;
if (callingFriend.Selected)
{
HangupButton.Visibility = Visibility.Visible;
VideoButton.Visibility = Visibility.Visible;
}
ViewModel.CallingFriend = callingFriend;
}
})));
call.SetTimerCallback(timerCallback);
}
private void toxav_OnEnd(object sender, ToxAvEventArgs.CallStateEventArgs e)
{
Dispatcher.BeginInvoke(((Action)(() =>
{
EndCall();
CallButton.Visibility = Visibility.Visible;
HangupButton.Visibility = Visibility.Collapsed;
VideoButton.Visibility = Visibility.Collapsed;
VideoButton.IsChecked = false;
})));
}
private void toxav_OnReceivedAudio(object sender, ToxAvEventArgs.AudioDataEventArgs e)
{
if (call == null)
return;
call.ProcessAudioFrame(e.Data);
}
private void toxav_OnReceivedGroupAudio(object sender, ToxAvEventArgs.GroupAudioDataEventArgs e)
{
var group = Dispatcher.Invoke(() => ViewModel.GetGroupObjectByNumber(e.GroupNumber));
if (group == null)
return;
var peer = group.PeerList.GetPeerByPublicKey(tox.GetGroupPeerPublicKey(e.GroupNumber, e.PeerNumber));
if (peer == null || peer.Ignored || peer.Muted)
return;
if (call != null && call.GetType() == typeof(ToxGroupCall))
((ToxGroupCall)call).ProcessAudioFrame(e.Data, e.Channels);
}
private void CallStateChangedHandler(object sender, ToxAvEventArgs.CallStateEventArgs e)
{
if ((e.FriendNumber == _friendInCall) &&
(e.State.HasFlag(ToxAvFriendCallState.Finished) || e.State.HasFlag(ToxAvFriendCallState.Error)))
{
_friendInCall = -1;
}
CallStateChanged?.Invoke(this, e);
}
private async void CallRequestReceivedHandler(object sender, ToxAvEventArgs.CallRequestEventArgs e)
{
await _dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => { State = CallState.IncomingCall; });
}
private void VideoFrameReceivedHandler(object sender, ToxAvEventArgs.VideoFrameEventArgs e)
{
if (VideoFrameReceived != null)
VideoFrameReceived(this, e);
}
private void AudioFrameReceivedHandler(object sender, ToxAvEventArgs.AudioFrameEventArgs e)
{
if (AudioFrameReceived != null)
AudioFrameReceived(this, e);
}
private void VideoBitrateChangedHandler(object sender, ToxAvEventArgs.BitrateStatusEventArgs e)
{
if (VideoBitrateChanged != null)
VideoBitrateChanged(this, e);
}
private void CallStateChangedHandler(object sender, ToxAvEventArgs.CallStateEventArgs e)
{
if (CallStateChanged != null)
CallStateChanged(this, e);
}
private void CallRequestReceivedHandler(object sender, ToxAvEventArgs.CallRequestEventArgs e)
{
if (CallRequestReceived != null)
CallRequestReceived(this, e);
}
private void VideoFrameReceivedHandler(object sender, ToxAvEventArgs.VideoFrameEventArgs e)
{
VideoFrameReceived?.Invoke(this, e);
}
private void VideoBitrateChangedHandler(object sender, ToxAvEventArgs.BitrateStatusEventArgs e)
{
VideoBitrateChanged?.Invoke(this, e);
}
private void AudioFrameReceivedHandler(object sender, ToxAvEventArgs.AudioFrameEventArgs e)
{
if (e.FriendNumber != _friendNumber)
return;
_receiveBuffer.Post(e.Frame.Data);
}
private void toxav_OnReceivedVideo(object sender, ToxAvEventArgs.VideoDataEventArgs e)
{
if (Dispatcher.Invoke(() => (call == null || call.GetType() == typeof(ToxGroupCall) || call.Ended || ViewModel.IsGroupSelected || call.FriendNumber != ViewModel.SelectedChatNumber)))
return;
ProcessVideoFrame(e.Frame);
}
private void toxav_OnPeerCodecSettingsChanged(object sender, ToxAvEventArgs.CallStateEventArgs e)
{
Dispatcher.BeginInvoke(((Action)(() =>
{
if (call == null || call.GetType() == typeof(ToxGroupCall) || e.CallIndex != call.CallIndex)
return;
if (toxav.GetPeerCodecSettings(e.CallIndex, 0).CallType != ToxAvCallType.Video)
{
VideoImageRow.Height = new GridLength(0);
VideoGridSplitter.IsEnabled = false;
VideoChatImage.Source = null;
}
else if (ViewModel.IsFriendSelected && toxav.GetPeerID(e.CallIndex, 0) == ViewModel.SelectedChatNumber)
{
VideoImageRow.Height = new GridLength(300);
VideoGridSplitter.IsEnabled = true;
}
})));
}
private void AudioFrameReceivedHandler(object sender, ToxAvEventArgs.AudioFrameEventArgs e)
{
if (_player == null || _waveProvider == null)
return;
var bytes = new byte[e.Frame.Data.Length*2];
Buffer.BlockCopy(e.Frame.Data, 0, bytes, 0, e.Frame.Data.Length);
_waveProvider.AddSamples(bytes, 0, bytes.Length);
}
private void CallRequestReceivedHandler(object sender, ToxAvEventArgs.CallRequestEventArgs e)
{
// Automatically decline call request if we have an ongoing call.
// TODO: Instead of this, tell the user about the situation and let him/her decide if he/she want to hang up the current call and answer the new one!
if (_friendInCall != -1)
{
_toxAv.SendControl(e.FriendNumber, ToxAvCallControl.Cancel);
return;
}
_friendInCall = e.FriendNumber;
CallRequestReceived?.Invoke(this, e);
}