public void onUserSubStreamAvailable(string userId, bool available)
{
Log.I($"onUserSubStreamAvailable userId:{userId} available:{available}");
if (userId == "source")
{
this.Dispatcher.BeginInvoke(new Action(() => {
if (available)
{
// 远端辅流自定义渲染 View 动态绑定和监听 SDK 渲染回调
trtcCloud.startRemoteSubStreamView(userId, IntPtr.Zero);
TXLiteAVVideoView videoView = RenderMapView;
videoView.RegEngine(userId, TRTCVideoStreamType.TRTCVideoStreamTypeSub, trtcCloud, false);
videoView.SetRenderMode(TRTCVideoFillMode.TRTCVideoFillMode_Fit);
videoView.Margin = new Thickness(0);
Loading.Visibility = Visibility.Hidden;
IsHaveStream = true;
if (keyboardListener == null)
{
keyboardListener = new KeyboardListener();
}
keyboardListener.KeyEvent += KeyboardListener_KeyEvent;
keyboardListener.IsBlockKeyboard = true;
var o = new JObject
{
["cmd"] = "GetScreenCount"
};
var data = Encoding.UTF8.GetBytes(o.ToString());
trtcCloud?.sendCustomCmdMsg(3, data, (uint)data.Length, true, true);
}
else
{
// 远端辅流自定义渲染 View 移除绑定
trtcCloud.stopRemoteSubStreamView(userId);
Loading.Content = "远程已断开";
Loading.Visibility = Visibility.Visible;
IsHaveStream = false;
if (keyboardListener != null)
{
keyboardListener.KeyEvent -= KeyboardListener_KeyEvent;
keyboardListener.IsBlockKeyboard = false;
keyboardListener.Dispose();
keyboardListener = null;
}
}
}));
}
}
