69 lines
2.1 KiB
C#
69 lines
2.1 KiB
C#
|
using System;
|
|||
|
|
using System.Diagnostics;
|
|||
|
|
using MediaBrowser.Common.Logging;
|
|||
|
|
using MediaBrowser.Common.Serialization;
|
|||
|
|
|
|||
|
|
namespace MediaBrowser.Controller.FFMpeg
|
|||
|
|
{
|
|||
|
|
public static class FFProbe
|
|||
|
|
{
|
|||
|
|
public static FFProbeResult Run(string path)
|
|||
|
|
{
|
|||
|
|
ProcessStartInfo startInfo = new ProcessStartInfo();
|
|||
|
|
|
|||
|
|
startInfo.CreateNoWindow = true;
|
|||
|
|
|
|||
|
|
startInfo.UseShellExecute = false;
|
|||
|
|
|
|||
|
|
// Must consume both or ffmpeg may hang due to deadlocks. See comments below.
|
|||
|
|
startInfo.RedirectStandardOutput = true;
|
|||
|
|
startInfo.RedirectStandardError = true;
|
|||
|
|
|
|||
|
|
startInfo.FileName = Kernel.Instance.ApplicationPaths.FFProbePath;
|
|||
|
|
startInfo.WorkingDirectory = Kernel.Instance.ApplicationPaths.FFMpegDirectory;
|
|||
|
|
startInfo.Arguments = string.Format("\"{0}\" -v quiet -print_format json -show_streams -show_format", path);
|
|||
|
|
|
|||
|
|
Logger.LogInfo(startInfo.FileName + " " + startInfo.Arguments);
|
|||
|
|
|
|||
|
|
Process process = new Process();
|
|||
|
|
process.StartInfo = startInfo;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
process.Start();
|
|||
|
|
|
|||
|
|
// 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();
|
|||
|
|
|
|||
|
|
FFProbeResult result = JsonSerializer.DeserializeFromStream<FFProbeResult>(process.StandardOutput.BaseStream);
|
|||
|
|
|
|||
|
|
process.WaitForExit();
|
|||
|
|
|
|||
|
|
Logger.LogInfo("FFMpeg exited with code " + process.ExitCode);
|
|||
|
|
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
Logger.LogException(ex);
|
|||
|
|
|
|||
|
|
// Hate having to do this
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
process.Kill();
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
finally
|
|||
|
|
{
|
|||
|
|
process.Dispose();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|