Tweaked media streaming to not call process.waitforexit

This commit is contained in:
LukePulverenti Luke Pulverenti luke pulverenti 2012-08-23 22:29:27 -04:00
parent d09e82dfc3
commit 992bd8c1d9

View file

@ -145,6 +145,8 @@ namespace MediaBrowser.Api.HttpHandlers
return false; return false;
} }
private FileStream LogFileStream { get; set; }
protected async override Task WriteResponseToOutputStream(Stream stream) protected async override Task WriteResponseToOutputStream(Stream stream)
{ {
ProcessStartInfo startInfo = new ProcessStartInfo(); ProcessStartInfo startInfo = new ProcessStartInfo();
@ -167,25 +169,24 @@ namespace MediaBrowser.Api.HttpHandlers
process.StartInfo = startInfo; process.StartInfo = startInfo;
// FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory. // FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
FileStream logStream = new FileStream(Path.Combine(Kernel.Instance.ApplicationPaths.LogDirectoryPath, "ffmpeg-" + Guid.NewGuid().ToString() + ".txt"), FileMode.Create); LogFileStream = new FileStream(Path.Combine(Kernel.Instance.ApplicationPaths.LogDirectoryPath, "ffmpeg-" + Guid.NewGuid().ToString() + ".txt"), FileMode.Create);
process.EnableRaisingEvents = true;
process.Exited += process_Exited;
try try
{ {
process.Start(); process.Start();
// MUST read both stdout and stderr asynchronously or a deadlock may occurr // MUST read both stdout and stderr asynchronously or a deadlock may occurr
// If we ever decide to disable the ffmpeg log then you must uncomment the below line.
//process.BeginErrorReadLine();
Task debugLogTask = process.StandardError.BaseStream.CopyToAsync(logStream); // Kick off two tasks
Task mediaTask = process.StandardOutput.BaseStream.CopyToAsync(stream);
Task debugLogTask = process.StandardError.BaseStream.CopyToAsync(LogFileStream);
await process.StandardOutput.BaseStream.CopyToAsync(stream).ConfigureAwait(false); await mediaTask.ConfigureAwait(false);
//await debugLogTask.ConfigureAwait(false);
process.WaitForExit();
Logger.LogInfo("FFMpeg exited with code " + process.ExitCode);
await debugLogTask.ConfigureAwait(false);
} }
catch (Exception ex) catch (Exception ex)
{ {
@ -200,11 +201,20 @@ namespace MediaBrowser.Api.HttpHandlers
{ {
} }
} }
finally }
void process_Exited(object sender, EventArgs e)
{
if (LogFileStream != null)
{ {
logStream.Dispose(); LogFileStream.Dispose();
process.Dispose();
} }
Process process = sender as Process;
Logger.LogInfo("FFMpeg exited with code " + process.ExitCode);
process.Dispose();
} }
/// <summary> /// <summary>