protected virtual Action <Exception> GetErrorHandler(EncoderItem encoderItem)
{
return(e =>
{
Logger.Write(this, LogLevel.Warn, "Encoder background thread for file \"{0}\" error: {1}", encoderItem.InputFileName, e.Message);
encoderItem.AddError(e.Message);
});
}
protected virtual Process CreateProcess(EncoderItem encoderItem, IBassStream stream, string executable, string directory, string arguments, bool redirectStandardInput, bool redirectStandardOutput, bool redirectStandardError)
{
if (!File.Exists(executable))
{
throw new InvalidOperationException(string.Format("A required utility was not found: {0}", executable));
}
var processStartInfo = new ProcessStartInfo()
{
FileName = executable,
WorkingDirectory = directory,
Arguments = arguments,
RedirectStandardInput = redirectStandardInput,
RedirectStandardOutput = redirectStandardOutput,
RedirectStandardError = redirectStandardError,
UseShellExecute = false,
CreateNoWindow = true
};
var process = Process.Start(processStartInfo);
try
{
process.PriorityClass = ProcessPriorityClass.BelowNormal;
}
catch
{
//Nothing can be done, probably access denied.
}
process.ErrorDataReceived += (sender, e) =>
{
if (string.IsNullOrEmpty(e.Data))
{
return;
}
Logger.Write(this, LogLevel.Trace, "{0}: {1}", executable, e.Data);
encoderItem.AddError(e.Data);
};
process.BeginErrorReadLine();
return(process);
}