private static ProcessFailedConditions GetMtnConditions()
{
ProcessFailedConditions mtnStat = new ProcessFailedConditions();
// The input file is shorter than pre- and post-recording time
mtnStat.AddCriticalOutString("net duration after -B & -E is negative");
mtnStat.AddCriticalOutString("all rows're skipped?");
mtnStat.AddCriticalOutString("step is zero; movie is too short?");
mtnStat.AddCriticalOutString("failed: -");
// unsupported video format by mtn.exe - maybe there's an update?
mtnStat.AddCriticalOutString("couldn't find a decoder for codec_id");
mtnStat.SuccessExitCode = 0;
return(mtnStat);
}
private static bool StartProcess(string aAppName, string aArguments, string aWorkingDir, int aExpectedTimeoutMs,
bool aLowerPriority, ProcessFailedConditions aFailConditions)
{
bool success = false;
Process ExternalProc = new Process();
ProcessStartInfo ProcOptions = new ProcessStartInfo(aAppName, aArguments);
ProcOptions.UseShellExecute = false; // Important for WorkingDirectory behaviour
ProcOptions.RedirectStandardError = true; // .NET bug? Some stdout reader abort to early without that!
ProcOptions.RedirectStandardOutput = true; // The precious data we're after
//ProcOptions.StandardOutputEncoding = Encoding.GetEncoding("ISO-8859-1"); // the output contains "Umlaute", etc.
//ProcOptions.StandardErrorEncoding = Encoding.GetEncoding("ISO-8859-1");
ProcOptions.WorkingDirectory = aWorkingDir; // set the dir because the binary might depend on cygwin.dll
ProcOptions.CreateNoWindow = true; // Do not spawn a "Dos-Box"
ProcOptions.ErrorDialog = false; // Do not open an error box on failure
ExternalProc.OutputDataReceived += new DataReceivedEventHandler(OutputDataHandler);
ExternalProc.ErrorDataReceived += new DataReceivedEventHandler(ErrorDataHandler);
ExternalProc.EnableRaisingEvents = true; // We want to know when and why the process died
ExternalProc.StartInfo = ProcOptions;
if (File.Exists(ProcOptions.FileName))
{
try
{
ExternalProc.Start();
if (aLowerPriority)
{
try
{
ExternalProc.PriorityClass = ProcessPriorityClass.BelowNormal;
// Execute all processes in the background so movies, etc stay fluent
}
catch (Exception ex2)
{
Log.Error("Util: Error setting process priority for {0}: {1}", aAppName, ex2.Message);
}
}
// Read in asynchronous mode to avoid deadlocks (if error stream is full)
// http://msdn.microsoft.com/en-us/library/system.diagnostics.processstartinfo.redirectstandarderror.aspx
ExternalProc.BeginErrorReadLine();
ExternalProc.BeginOutputReadLine();
// wait this many seconds until the process has to be finished
ExternalProc.WaitForExit(aExpectedTimeoutMs);
success = (ExternalProc.HasExited && ExternalProc.ExitCode == aFailConditions.SuccessExitCode);
ExternalProc.OutputDataReceived -= new DataReceivedEventHandler(OutputDataHandler);
ExternalProc.ErrorDataReceived -= new DataReceivedEventHandler(ErrorDataHandler);
}
catch (Exception ex)
{
Log.Error("Util: Error executing {0}: {1}", aAppName, ex.Message);
}
}
else
{
Log.Info("Util: Could not start {0} because it doesn't exist!", ProcOptions.FileName);
}
return(success);
}
private static bool StartProcess(string aAppName, string aArguments, string aWorkingDir, int aExpectedTimeoutMs,
bool aLowerPriority, ProcessFailedConditions aFailConditions)
{
bool success = false;
Process ExternalProc = new Process();
ProcessStartInfo ProcOptions = new ProcessStartInfo(aAppName, aArguments);
ProcOptions.UseShellExecute = false; // Important for WorkingDirectory behaviour
ProcOptions.RedirectStandardError = true; // .NET bug? Some stdout reader abort to early without that!
ProcOptions.RedirectStandardOutput = true; // The precious data we're after
//ProcOptions.StandardOutputEncoding = Encoding.GetEncoding("ISO-8859-1"); // the output contains "Umlaute", etc.
//ProcOptions.StandardErrorEncoding = Encoding.GetEncoding("ISO-8859-1");
ProcOptions.WorkingDirectory = aWorkingDir; // set the dir because the binary might depend on cygwin.dll
ProcOptions.CreateNoWindow = true; // Do not spawn a "Dos-Box"
ProcOptions.ErrorDialog = false; // Do not open an error box on failure
ExternalProc.OutputDataReceived += new DataReceivedEventHandler(OutputDataHandler);
ExternalProc.ErrorDataReceived += new DataReceivedEventHandler(ErrorDataHandler);
ExternalProc.EnableRaisingEvents = true; // We want to know when and why the process died
ExternalProc.StartInfo = ProcOptions;
if (File.Exists(ProcOptions.FileName))
{
try
{
ExternalProc.Start();
if (aLowerPriority)
{
try
{
ExternalProc.PriorityClass = ProcessPriorityClass.BelowNormal;
// Execute all processes in the background so movies, etc stay fluent
}
catch (Exception ex2)
{
Log.Error("Util: Error setting process priority for {0}: {1}", aAppName, ex2.Message);
}
}
// Read in asynchronous mode to avoid deadlocks (if error stream is full)
// http://msdn.microsoft.com/en-us/library/system.diagnostics.processstartinfo.redirectstandarderror.aspx
ExternalProc.BeginErrorReadLine();
ExternalProc.BeginOutputReadLine();
// wait this many seconds until the process has to be finished
ExternalProc.WaitForExit(aExpectedTimeoutMs);
success = (ExternalProc.HasExited && ExternalProc.ExitCode == aFailConditions.SuccessExitCode);
ExternalProc.OutputDataReceived -= new DataReceivedEventHandler(OutputDataHandler);
ExternalProc.ErrorDataReceived -= new DataReceivedEventHandler(ErrorDataHandler);
}
catch (Exception ex)
{
Log.Error("Util: Error executing {0}: {1}", aAppName, ex.Message);
}
}
else
Log.Info("Util: Could not start {0} because it doesn't exist!", ProcOptions.FileName);
return success;
}
private static ProcessFailedConditions GetMtnConditions()
{
ProcessFailedConditions mtnStat = new ProcessFailedConditions();
// The input file is shorter than pre- and post-recording time
mtnStat.AddCriticalOutString("net duration after -B & -E is negative");
mtnStat.AddCriticalOutString("all rows're skipped?");
mtnStat.AddCriticalOutString("step is zero; movie is too short?");
mtnStat.AddCriticalOutString("failed: -");
// unsupported video format by mtn.exe - maybe there's an update?
mtnStat.AddCriticalOutString("couldn't find a decoder for codec_id");
mtnStat.SuccessExitCode = 0;
return mtnStat;
}
