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