public async Task<FFMpegInfo> GetFFMpegInfo(StartupOptions options, IProgress<double> progress)
{
var customffMpegPath = options.GetOption("-ffmpeg");
var customffProbePath = options.GetOption("-ffprobe");
if (!string.IsNullOrWhiteSpace(customffMpegPath) && !string.IsNullOrWhiteSpace(customffProbePath))
{
return new FFMpegInfo
{
ProbePath = customffProbePath,
EncoderPath = customffMpegPath,
Version = "custom"
};
}
var rootEncoderPath = Path.Combine(_appPaths.ProgramDataPath, "ffmpeg");
var versionedDirectoryPath = Path.Combine(rootEncoderPath, FFMpegDownloadInfo.Version);
var info = new FFMpegInfo
{
ProbePath = Path.Combine(versionedDirectoryPath, FFMpegDownloadInfo.FFProbeFilename),
EncoderPath = Path.Combine(versionedDirectoryPath, FFMpegDownloadInfo.FFMpegFilename),
Version = FFMpegDownloadInfo.Version
};
Directory.CreateDirectory(versionedDirectoryPath);
var excludeFromDeletions = new List<string> { versionedDirectoryPath };
if (!File.Exists(info.ProbePath) || !File.Exists(info.EncoderPath))
{
// ffmpeg not present. See if there's an older version we can start with
var existingVersion = GetExistingVersion(info, rootEncoderPath);
// No older version. Need to download and block until complete
if (existingVersion == null)
{
await DownloadFFMpeg(versionedDirectoryPath, progress).ConfigureAwait(false);
}
else
{
// Older version found.
// Start with that. Download new version in the background.
var newPath = versionedDirectoryPath;
Task.Run(() => DownloadFFMpegInBackground(newPath));
info = existingVersion;
versionedDirectoryPath = Path.GetDirectoryName(info.EncoderPath);
excludeFromDeletions.Add(versionedDirectoryPath);
}
}
await DownloadFonts(versionedDirectoryPath).ConfigureAwait(false);
DeleteOlderFolders(Path.GetDirectoryName(versionedDirectoryPath), excludeFromDeletions);
return info;
}
/// <summary>
/// Runs the application.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <param name="logManager">The log manager.</param>
/// <param name="runService">if set to <c>true</c> [run service].</param>
/// <param name="options">The options.</param>
private static void RunApplication(ServerApplicationPaths appPaths, ILogManager logManager, bool runService, StartupOptions options)
{
_appHost = new ApplicationHost(appPaths, logManager, true, runService, options);
var initProgress = new Progress<double>();
if (!runService)
{
ShowSplashScreen(_appHost.ApplicationVersion, initProgress, logManager.GetLogger("Splash"));
// Not crazy about this but it's the only way to suppress ffmpeg crash dialog boxes
SetErrorMode(ErrorModes.SEM_FAILCRITICALERRORS | ErrorModes.SEM_NOALIGNMENTFAULTEXCEPT |
ErrorModes.SEM_NOGPFAULTERRORBOX | ErrorModes.SEM_NOOPENFILEERRORBOX);
}
var task = _appHost.Init(initProgress);
task = task.ContinueWith(new Action<Task>(a => _appHost.RunStartupTasks()));
if (runService)
{
StartService(logManager);
}
else
{
Task.WaitAll(task);
SystemEvents.SessionEnding += SystemEvents_SessionEnding;
SystemEvents.SessionSwitch += SystemEvents_SessionSwitch;
HideSplashScreen();
ShowTrayIcon();
task = ApplicationTaskCompletionSource.Task;
Task.WaitAll(task);
}
}
/// <summary>
/// Defines the entry point of the application.
/// </summary>
public static void Main()
{
var options = new StartupOptions();
_isRunningAsService = options.ContainsOption("-service");
var applicationPath = Process.GetCurrentProcess().MainModule.FileName;
var appPaths = CreateApplicationPaths(applicationPath, _isRunningAsService);
var logManager = new NlogManager(appPaths.LogDirectoryPath, "server");
logManager.ReloadLogger(LogSeverity.Debug);
logManager.AddConsoleOutput();
var logger = _logger = logManager.GetLogger("Main");
BeginLog(logger, appPaths);
// Install directly
if (options.ContainsOption("-installservice"))
{
logger.Info("Performing service installation");
InstallService(applicationPath, logger);
return;
}
// Restart with admin rights, then install
if (options.ContainsOption("-installserviceasadmin"))
{
logger.Info("Performing service installation");
RunServiceInstallation(applicationPath);
return;
}
// Uninstall directly
if (options.ContainsOption("-uninstallservice"))
{
logger.Info("Performing service uninstallation");
UninstallService(applicationPath, logger);
return;
}
// Restart with admin rights, then uninstall
if (options.ContainsOption("-uninstallserviceasadmin"))
{
logger.Info("Performing service uninstallation");
RunServiceUninstallation(applicationPath);
return;
}
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
RunServiceInstallationIfNeeded(applicationPath);
var currentProcess = Process.GetCurrentProcess();
if (IsAlreadyRunning(applicationPath, currentProcess))
{
logger.Info("Shutting down because another instance of Media Browser Server is already running.");
return;
}
if (PerformUpdateIfNeeded(appPaths, logger))
{
logger.Info("Exiting to perform application update.");
return;
}
try
{
RunApplication(appPaths, logManager, _isRunningAsService, options);
}
finally
{
OnServiceShutdown();
}
}
