public virtual void Run()
{
try {
logger.IfInfo("Forking: " + Command + " " + Arguments);
// Fork the process
TranscodeProcess = new Process();
TranscodeProcess.StartInfo.FileName = Command;
TranscodeProcess.StartInfo.Arguments = Arguments;
TranscodeProcess.StartInfo.UseShellExecute = false;
TranscodeProcess.StartInfo.RedirectStandardOutput = true;
TranscodeProcess.StartInfo.RedirectStandardError = true;
TranscodeProcess.Start();
logger.IfInfo("Waiting for '" + Command + "' to finish...");
// Block until done
TranscodeProcess.WaitForExit();
logger.IfInfo("'" + Command + "' finished (exit: " + TranscodeProcess.ExitCode + ")");
} catch (Exception e) {
logger.IfInfo("\t" + "Failed to start transcode process " + e);
// Set the state
State = TranscodeState.Failed;
// Inform the delegate
if ((object)TranscoderDelegate != null)
{
TranscoderDelegate.TranscodeFailed(this);
}
return;
}
if (TranscodeProcess != null)
{
// Check for success
if (TranscodeProcess.ExitCode == 0)
{
State = TranscodeState.Finished;
if ((object)TranscoderDelegate != null)
{
TranscoderDelegate.TranscodeFinished(this);
}
}
else
{
State = TranscodeState.Failed;
if ((object)TranscoderDelegate != null)
{
TranscoderDelegate.TranscodeFailed(this);
}
}
}
}
public void CancelTranscode()
{
if (TranscodeProcess != null)
{
logger.IfInfo("Cancelling transcode for " + Item.FileName);
// Kill the process
TranscodeProcess.Kill();
TranscodeProcess = null;
// Wait for the thread to die
TranscodeThread.Join();
TranscodeThread = null;
// Set the state
State = TranscodeState.Canceled;
// Inform the delegate
if ((object)TranscoderDelegate != null)
{
TranscoderDelegate.TranscodeFailed(this);
}
}
}
public override void Run()
{
try {
string ffmpegArguments = "-loglevel quiet -i \"" + Item.FilePath() + "\" -f wav -";
logger.IfInfo("Forking the process");
logger.IfInfo("ffmpeg " + ffmpegArguments);
// Create the ffmpeg process
FfmpegProcess = new Process();
FfmpegProcess.StartInfo.FileName = "ffmpeg";
FfmpegProcess.StartInfo.Arguments = ffmpegArguments;
FfmpegProcess.StartInfo.UseShellExecute = false;
FfmpegProcess.StartInfo.RedirectStandardOutput = true;
FfmpegProcess.StartInfo.RedirectStandardError = true;
// Create the opusenc object
logger.IfInfo("opusenc " + Arguments);
TranscodeProcess = new Process();
TranscodeProcess.StartInfo.FileName = "opusenc";
TranscodeProcess.StartInfo.Arguments = Arguments;
TranscodeProcess.StartInfo.UseShellExecute = false;
TranscodeProcess.StartInfo.RedirectStandardInput = true;
TranscodeProcess.StartInfo.RedirectStandardOutput = true;
TranscodeProcess.StartInfo.RedirectStandardError = false;
var buffer = new byte[8192];
FfmpegProcess.Start();
TranscodeProcess.Start();
var input = new BinaryWriter(TranscodeProcess.StandardInput.BaseStream);
int totalWritten = 0;
while (true)
{
int bytesRead = FfmpegProcess.StandardOutput.BaseStream.Read(buffer, 0, 8192);
totalWritten += bytesRead;
if (bytesRead > 0)
{
input.Write(buffer, 0, bytesRead);
}
if (bytesRead == 0 && FfmpegProcess.HasExited)
{
input.Close();
FfmpegProcess.Close();
break;
}
}
logger.IfInfo("Waiting for processes to finish");
// Block until done
TranscodeProcess.WaitForExit();
logger.IfInfo("Process finished");
} catch (Exception e) {
logger.IfInfo("\t" + "Failed to start transcode process " + e);
try {
TranscodeProcess.Kill();
TranscodeProcess.Close();
} catch { /* do nothing if killing the process fails */ }
try {
FfmpegProcess.Kill();
FfmpegProcess.Close();
} catch { /* do nothing if killing the process fails */ }
// Set the state
State = TranscodeState.Failed;
// Inform the delegate
if ((object)TranscoderDelegate != null)
{
TranscoderDelegate.TranscodeFailed(this);
}
return;
}
if (TranscodeProcess != null)
{
int exitValue = TranscodeProcess.ExitCode;
logger.IfInfo("Exit value " + exitValue);
if (exitValue == 0)
{
State = TranscodeState.Finished;
if ((object)TranscoderDelegate != null)
{
TranscoderDelegate.TranscodeFinished(this);
}
}
else
{
State = TranscodeState.Failed;
if ((object)TranscoderDelegate != null)
{
TranscoderDelegate.TranscodeFailed(this);
}
}
}
}