/// <summary>
/// Run the FFmpeg executable with the specified command line arguments.
/// </summary>
private void Execute()
{
bool processCompletedSuccessfully = false;
InitializeOutput();
ProcessStartInfo info = new ProcessStartInfo(AppSetting.Instance.FFmpegPath, MediaSettings.FFmpegArgs);
info.UseShellExecute = false;
info.CreateNoWindow = true;
info.RedirectStandardError = true;
info.RedirectStandardOutput = true;
using (Process p = new Process())
{
try
{
p.StartInfo = info;
// For some reason, FFmpeg sends data to the ErrorDataReceived event rather than OutputDataReceived.
p.ErrorDataReceived += ErrorDataReceived;
//p.OutputDataReceived += new DataReceivedEventHandler(OutputDataReceived);
p.Start();
//p.BeginOutputReadLine();
p.BeginErrorReadLine();
processCompletedSuccessfully = p.WaitForExit(MediaSettings.TimeoutMs);
if (!processCompletedSuccessfully)
p.Kill();
p.WaitForExit();
if (!processCompletedSuccessfully || MediaSettings.CancellationToken.IsCancellationRequested)
{
File.Delete(MediaSettings.FilePathDestination);
}
}
catch (Exception ex)
{
ErrorHandler.Error.Record(ex, MediaSettings.GalleryId, Factory.LoadGallerySettings(), AppSetting.Instance);
}
}
if (!processCompletedSuccessfully)
{
Exception ex = new BusinessException(String.Format(CultureInfo.CurrentCulture, "FFmpeg timed out while processing the video or audio file. Consider increasing the timeout value. It is currently set to {0} milliseconds.", MediaSettings.TimeoutMs));
ex.Data.Add("FFmpeg args", MediaSettings.FFmpegArgs);
ex.Data.Add("FFmpeg output", Output);
ex.Data.Add("StackTrace", Environment.StackTrace);
ErrorHandler.Error.Record(ex, MediaSettings.GalleryId, Factory.LoadGallerySettings(), AppSetting.Instance);
}
}
private static void RecordEvent(string msg, MediaConversionSettings settings)
{
Exception ex = new BusinessException(msg);
ex.Data.Add("FFmpeg args", settings.FFmpegArgs);
ex.Data.Add("FFmpeg output", settings.FFmpegOutput);
ex.Data.Add("StackTrace", Environment.StackTrace);
ErrorHandler.Error.Record(ex, settings.GalleryId, Factory.LoadGallerySettings(), AppSetting.Instance);
}
