public PlayerVlcService()
{
var currentAssembly = Assembly.GetEntryAssembly();
try
{
if (currentAssembly != null)
{
var currentDirectory = new FileInfo(currentAssembly.Location).DirectoryName;
if (currentDirectory == null)
{
return;
}
var vlcLibDirectory = new DirectoryInfo(Path.Combine(currentDirectory, @"lib\x86"));
_vlcMediaPlayer = new VlcMediaPlayer(vlcLibDirectory);
}
else
{
throw new FileNotFoundException(Localization.strings.PlayerEngineNotFound);
}
}
catch (Exception e)
{
LoggerFacade.WriteError(Localization.strings.PlayerNotLoaded, e, isShow: true);
}
_vlcMediaPlayer.EndReached += VlcMediaPlayer_OnEndReached;
_vlcMediaPlayer.PositionChanged += VlcMediaPlayer_OnPositionChanged;
_vlcMediaPlayer.LengthChanged += VlcMediaPlayer_OnLengthChanged;
_vlcMediaPlayer.Stopped += VlcMediaPlayer_OnStopped;
_vlcMediaPlayer.Paused += VlcMediaPlayer_OnPaused;
_vlcMediaPlayer.Playing += VlcMediaPlayer_OnPlaying;
}
public void SetPosition(float position)
{
try
{
_vlcMediaPlayer.Position = position;
}
catch (Exception e)
{
LoggerFacade.WriteError(e);
}
}
public void Stop()
{
try
{
_vlcMediaPlayer.Pause();
}
catch (Exception e)
{
LoggerFacade.WriteError(e);
}
}
public void Play(Uri playPathUri)
{
try
{
_vlcMediaPlayer.Play(playPathUri.AbsoluteUri);
}
catch (Exception e)
{
LoggerFacade.WriteError(e);
}
}
public static void Handle(Exception ex, bool forceShutdown = false, bool isSilent = false)
{
// TODO: localize
LoggerFacade.WriteError(GetLogMessage(ex));
var shutdown = forceShutdown;
// возможна ситуация когда происходит подряд сразу несколько критических исключений,
// в этом случае отображаем только первое и завершаем работу, остальные только логируем.
if (shutdown && !IsShuttingDown.TrySet())
{
return;
}
if (!isSilent || shutdown)
{
var sourceEx = ExtractException(ex);
var message = sourceEx.Message + "Unknown error occurred.";
if (shutdown)
{
message += Environment.NewLine + "Application will be closed. Please contact developers for support." + Environment.NewLine +
"Restart Application ?";
}
// при вызове из App_OnDispatcherUnhandledException, стандартный MessageBox работает надёжно.
UiInvoker.Invoke(() =>
{
MessageBoxResult result;
if (Application.Current.MainWindow != null)
{
result = MessageBox.Show(Application.Current.MainWindow, message, AppInfo.AppName,
MessageBoxButton.YesNo, MessageBoxImage.Error);
}
else
{
// произошло ещё до инициализации главного окна
result = MessageBox.Show(message, AppInfo.AppName, MessageBoxButton.YesNo, MessageBoxImage.Error);
}
if (result == MessageBoxResult.Yes)
{
System.Windows.Forms.Application.Restart();
}
});
}
if (shutdown)
{
Environment.Exit(0);
}
}
public static async Task <BitmapImage> GetBitmapFromUrl(string url)
{
return(await Task.Run(() =>
{
try
{
var image = new BitmapImage();
int BytesToRead = 100;
if (url.Contains("?ava=1"))
{
url = url.Replace("?ava=1", "");
}
WebRequest request = WebRequest.Create(new Uri(url));
request.Timeout = -1;
WebResponse response = request.GetResponse();
Stream responseStream = response.GetResponseStream();
BinaryReader reader = new BinaryReader(responseStream);
MemoryStream memoryStream = new MemoryStream();
byte[] bytebuffer = new byte[BytesToRead];
int bytesRead = reader.Read(bytebuffer, 0, BytesToRead);
while (bytesRead > 0)
{
memoryStream.Write(bytebuffer, 0, bytesRead);
bytesRead = reader.Read(bytebuffer, 0, BytesToRead);
}
image.BeginInit();
memoryStream.Seek(0, SeekOrigin.Begin);
image.StreamSource = memoryStream;
image.EndInit();
image.Freeze();
return image;
}
catch (Exception e)
{
LoggerFacade.WriteError("load photo error", e);
return null;
}
}));
}
public void Pause(bool doPause)
{
try
{
if (doPause)
{
_vlcMediaPlayer.Pause();
}
else
{
_vlcMediaPlayer.Play();
}
}
catch (Exception e)
{
LoggerFacade.WriteError(e);
}
}