private void StartLivestreamer(string livestreamerArgs, string streamQuality, MessageBoxViewModel messageBoxViewModel, Action onClose = null)
{
if (!CheckLivestreamerExists())
{
return;
}
// the process needs to be launched from its own thread so it doesn't lockup the UI
Task.Run(() =>
{
var proc = new Process
{
StartInfo =
{
FileName = settingsHandler.Settings.LivestreamerFullPath,
Arguments = livestreamerArgs,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true,
UseShellExecute = false
},
EnableRaisingEvents = true
};
bool preventClose = false;
// see below for output handler
proc.ErrorDataReceived +=
(sender, args) =>
{
if (args.Data == null)
{
return;
}
preventClose = true;
messageBoxViewModel.MessageText += Environment.NewLine + args.Data;
};
proc.OutputDataReceived +=
(sender, args) =>
{
if (args.Data == null)
{
return;
}
if (args.Data.StartsWith("[cli][info] Starting player") && settingsHandler.Settings.HideStreamOutputMessageBoxOnLoad)
{
messageBoxViewModel.TryClose();
// can continue adding messages, the view model still exists so it doesn't really matter
}
messageBoxViewModel.MessageText += Environment.NewLine + args.Data;
};
try
{
proc.Start();
proc.BeginErrorReadLine();
proc.BeginOutputReadLine();
proc.WaitForExit();
if (proc.ExitCode != 0)
{
preventClose = true;
}
onClose?.Invoke();
}
catch (Exception ex)
{
preventClose = true;
messageBoxViewModel.MessageText += Environment.NewLine + ex;
}
if (preventClose)
{
messageBoxViewModel.MessageText += Environment.NewLine + Environment.NewLine +
$"ERROR occured in {settingsHandler.Settings.LivestreamExeDisplayName}: " +
$"Manually close this window when you've finished reading the {settingsHandler.Settings.LivestreamExeDisplayName} output.";
// open the message box if it was somehow closed prior to the error being displayed
if (!messageBoxViewModel.IsActive)
{
windowManager.ShowWindow(messageBoxViewModel, null, new WindowSettingsBuilder().SizeToContent().NoResizeBorderless().Create());
}
}
else if (string.IsNullOrEmpty(streamQuality))
{
messageBoxViewModel.MessageText += Environment.NewLine + Environment.NewLine +
$"No stream quality provided: Manually close this window when you've finished reading the {settingsHandler.Settings.LivestreamExeDisplayName} output.";
if (!messageBoxViewModel.IsActive)
{
windowManager.ShowWindow(messageBoxViewModel, null, new WindowSettingsBuilder().SizeToContent().NoResizeBorderless().Create());
}
}
else
{
messageBoxViewModel.TryClose();
}
});
}
