update media probe

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -500,7 +500,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     // Must consume both or ffmpeg may hang due to deadlocks. See comments below.   
                     RedirectStandardOutput = true,
                     //RedirectStandardError = true,
-                    RedirectStandardInput = true,
+                    RedirectStandardInput = false,
                     FileName = FFProbePath,
                     Arguments = string.Format(args,
                     probeSizeArgument, inputPath).Trim(),
@@ -514,7 +514,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             _logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
 
-            using (var processWrapper = new ProcessWrapper(process, this, _logger))
+            using (var processWrapper = new ProcessWrapper(process, this, _logger, false))
             {
                 await _ffProbeResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
 
@@ -630,7 +630,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     // Must consume both or ffmpeg may hang due to deadlocks. See comments below.   
                     //RedirectStandardOutput = true,
                     RedirectStandardError = true,
-                    RedirectStandardInput = true,
+                    RedirectStandardInput = false,
                     FileName = FFMpegPath,
                     Arguments = string.Format(args, probeSizeArgument, inputPath, videoStream.Index.ToString(CultureInfo.InvariantCulture)).Trim(),
 
@@ -644,7 +644,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             _logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
             var idetFoundInterlaced = false;
 
-            using (var processWrapper = new ProcessWrapper(process, this, _logger))
+            using (var processWrapper = new ProcessWrapper(process, this, _logger, false))
             {
                 try
                 {
@@ -898,14 +898,13 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     FileName = FFMpegPath,
                     Arguments = args,
                     WindowStyle = ProcessWindowStyle.Hidden,
-                    ErrorDialog = false,
-                    RedirectStandardInput = true
+                    ErrorDialog = false
                 }
             };
 
             _logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
 
-            using (var processWrapper = new ProcessWrapper(process, this, _logger))
+            using (var processWrapper = new ProcessWrapper(process, this, _logger, false))
             {
                 await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
 
@@ -1010,7 +1009,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             bool ranToCompletion = false;
 
-            using (var processWrapper = new ProcessWrapper(process, this, _logger))
+            using (var processWrapper = new ProcessWrapper(process, this, _logger, true))
             {
                 try
                 {
@@ -1118,6 +1117,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
             {
                 _logger.Info("Killing ffmpeg process");
 
+                if (process.IsRedirectingStdin)
+                {
                     try
                     {
                         process.Process.StandardInput.WriteLine("q");
@@ -1126,6 +1127,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     {
                         _logger.Error("Error sending q command to process");
                     }
+                }
 
                 try
                 {
@@ -1201,13 +1203,15 @@ namespace MediaBrowser.MediaEncoding.Encoder
             public int? ExitCode;
             private readonly MediaEncoder _mediaEncoder;
             private readonly ILogger _logger;
+            public bool IsRedirectingStdin { get; set; }
 
-            public ProcessWrapper(Process process, MediaEncoder mediaEncoder, ILogger logger)
+            public ProcessWrapper(Process process, MediaEncoder mediaEncoder, ILogger logger, bool isRedirectingStdin)
             {
                 Process = process;
                 _mediaEncoder = mediaEncoder;
                 _logger = logger;
                 Process.Exited += Process_Exited;
+                IsRedirectingStdin = isRedirectingStdin;
             }
 
             void Process_Exited(object sender, EventArgs e)