/// <summary>
/// Executes CCExtractor, using the given test entry.
/// </summary>
/// <param name="test">The test entry data.</param>
/// <param name="storeName">The name of the report.</param>
/// <returns>An instance of RunData containing the test results.</returns>
public RunData CallCCExtractor(TestEntry test, string storeName)
{
Test = test;
string programToRun = Config.CCExctractorLocation;
string commandToPass = String.Format("{0} --no_progress_bar", test.Command);
string inputFile = Path.Combine(Config.SampleFolder, test.InputFile);
string firstOutputFile = Path.Combine(Config.TemporaryFolder, test.CompareFiles[0].ExpectedFile);
FileInfo firstOutputFileFI = new FileInfo(firstOutputFile);
if (!firstOutputFileFI.Directory.Exists)
{
firstOutputFileFI.Directory.Create();
}
if (Config.UseValgrind)
{
programToRun = "valgrind";
commandToPass = String.Format("{0} {1}", Config.CCExctractorLocation, commandToPass);
}
switch (test.OutputFormat)
{
case OutputType.File:
// Append the first file as -o
commandToPass += String.Format(@" -o ""{0}""", firstOutputFile);
break;
case OutputType.Null:
// No output file necessary
break;
case OutputType.Tcp:
// We'll need to set up another instance to receive the captions, but we'll do this later
commandToPass = String.Format("-sendto 127.0.0.1:{0} --no_progress_bar", Config.TCPPort);
break;
case OutputType.Cea708:
// use -o for base determination & 608 contents
commandToPass += String.Format(@" -o ""{0}""", firstOutputFile);
break;
case OutputType.Multiprogram:
// use -o for base filename determination
commandToPass += String.Format(@" -o ""{0}""", firstOutputFile);
break;
case OutputType.Stdout:
// No output file necessary
break;
default:
break;
}
ProcessStartInfo psi = new ProcessStartInfo(programToRun);
psi.UseShellExecute = false;
psi.RedirectStandardError = true;
psi.RedirectStandardOutput = true;
psi.CreateNoWindow = true;
switch (test.InputFormat)
{
case InputType.File:
// Append input file regularly
commandToPass += String.Format(@" ""{0}""", inputFile);
break;
case InputType.Stdin:
// No input file to append, but we'll have to add a handler
psi.RedirectStandardInput = true;
break;
case InputType.Udp:
// Set up ffmpeg to pass udp to ccextractor later, add -udp to CCExtractor
commandToPass += String.Format(" -udp {0}", Config.UDPPort);
break;
default:
break;
}
psi.Arguments = commandToPass;
Logger.Debug("Passed arguments: " + psi.Arguments);
Process p = new Process();
p.StartInfo = psi;
p.ErrorDataReceived += processError;
if (OutputHandler != null)
{
p.OutputDataReceived += OutputHandler;
}
else
{
p.OutputDataReceived += processOutput;
}
p.Start();
// Determine if we need to setup a sender process
Process input = new Process();
bool input_started = false;
if (test.InputFormat == InputType.Udp)
{
// Set up ffmpeg to stream a file to CCExtractor
input.StartInfo = new ProcessStartInfo(Config.FFMpegLocation)
{
Arguments = String.Format(@"-re -i ""{0}"" -loglevel quiet -codec copy -f mpegts udp://127.0.0.1:{1}", inputFile, Config.UDPPort),
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardOutput = true,
CreateNoWindow = true
};
input_started = input.Start();
}
// Determine if we need to setup a receiver process
Process output = new Process();
bool output_started = false;
if (test.OutputFormat == OutputType.Tcp)
{
// Set up another CCExtractor instance to receive raw caption data
output.StartInfo = new ProcessStartInfo(Config.CCExctractorLocation)
{
Arguments = String.Format(@"{0} -tcp {1} -o ""{2}""", test.Command, Config.TCPPort, firstOutputFile),
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardOutput = true,
CreateNoWindow = true
};
output_started = output.Start();
}
// Set up performance logger
PerformanceLogger.SetUp(Logger, p);
// Start stopwatch
Stopwatch watch = Stopwatch.StartNew();
// Start reading output of the main CCExtractor instance
p.BeginOutputReadLine();
p.BeginErrorReadLine();
// Create timer and start loop
bool canRun = true;
System.Timers.Timer t = new System.Timers.Timer(Config.TimeOut * 1000);
t.AutoReset = false;
t.Elapsed += delegate(object sender, System.Timers.ElapsedEventArgs e)
{
canRun = false;
};
t.Start();
// If we use stdin, we need to pipe as much as possible during the execution run, otherwise we just sleep in a loop.
if (test.InputFormat == InputType.Stdin && !String.IsNullOrEmpty(test.InputFile))
{
using (StreamWriter sw = p.StandardInput)
{
using (FileStream sr = File.OpenRead(test.InputFile))
{
byte[] buffer = new byte[32768];
int read;
while (canRun && (read = sr.Read(buffer, 0, buffer.Length)) > 0)
{
PerformanceLogger.DebugValue();
// Need to write to the basestream directly, as we have a byte buffer.
sw.BaseStream.Write(buffer, 0, read);
}
}
}
}
else
{
bool extra = true;
while (!p.HasExited && canRun && extra)
{
if (test.InputFormat == InputType.Udp)
{
extra = !input.HasExited;
}
if (test.OutputFormat == OutputType.Tcp)
{
extra = !output.HasExited;
}
PerformanceLogger.DebugValue();
Thread.Sleep(100);
}
}
watch.Stop();
// Process results
RunData rd = new RunData()
{
ExitCode = -1,
Runtime = new TimeSpan(0, 0, Config.TimeOut)
};
// If the process hasn't exited now, it means the timer elapsed, so we need to abort CCExtractor
if (!p.HasExited)
{
Logger.Warn("Aborting CCExtractor, maximum time elapsed.");
p.CancelErrorRead();
p.CancelOutputRead();
p.Kill();
}
else
{
Logger.Debug("Process Exited. Exit code: " + p.ExitCode);
PerformanceLogger.DebugStats();
rd.ExitCode = p.ExitCode;
rd.Runtime = watch.Elapsed;
}
// Preventively kill off any possible other processes
if (input_started && !input.HasExited)
{
input.Kill();
}
if (output_started && !output.HasExited)
{
output.Kill();
}
// Create store folder if necessary
string storeDirectory = Path.Combine(Config.TemporaryFolder, storeName);
if (!Directory.Exists(storeDirectory))
{
Directory.CreateDirectory(storeDirectory);
}
// Add generated output file(s), if any, to the result
rd.ResultFiles = new Dictionary <string, string>();
// Check for each expected output file if there's a generated one
foreach (CompareFile compareFile in test.CompareFiles)
{
if (!compareFile.IgnoreOutput)
{
FileInfo fileLocation = new FileInfo(Path.Combine(Config.TemporaryFolder, compareFile.ExpectedFile));
string moveLocation = Path.Combine(storeDirectory, (new FileInfo(Path.Combine(Config.TemporaryFolder, compareFile.CorrectFile)).Name));
if (fileLocation.Exists)
{
rd.ResultFiles.Add(compareFile.CorrectFile, moveLocation);
// Move file
if (File.Exists(moveLocation))
{
File.Delete(moveLocation);
}
fileLocation.MoveTo(moveLocation);
}
else
{
Logger.Debug("File " + fileLocation.FullName + " does not exist");
rd.ResultFiles.Add(compareFile.CorrectFile, "");
}
}
}
// Return the results
return(rd);
}