From 00e0e44398c33fb55f69583e17f8f1d98218098a Mon Sep 17 00:00:00 2001
From: LukePulverenti <luke.pulverenti@gmail.com>
Date: Wed, 13 Mar 2013 21:24:43 -0400
Subject: [PATCH] don't try to extract images if a video doesn't have any known
 video streams

---
 MediaBrowser.Controller/MediaInfo/FFMpegManager.cs       | 8 +++++++-
 .../Providers/MediaInfo/FFMpegVideoImageProvider.cs      | 9 ++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/MediaBrowser.Controller/MediaInfo/FFMpegManager.cs b/MediaBrowser.Controller/MediaInfo/FFMpegManager.cs
index 4c4bc0873e..01746c7cea 100644
--- a/MediaBrowser.Controller/MediaInfo/FFMpegManager.cs
+++ b/MediaBrowser.Controller/MediaInfo/FFMpegManager.cs
@@ -51,7 +51,7 @@ namespace MediaBrowser.Controller.MediaInfo
         /// The _logger
         /// </summary>
         private readonly Kernel _kernel;
-        
+
         /// <summary>
         /// The _logger
         /// </summary>
@@ -591,6 +591,12 @@ namespace MediaBrowser.Controller.MediaInfo
                 throw new ArgumentNullException();
             }
 
+            // Can't extract images if there are no video streams
+            if (video.MediaStreams == null || video.MediaStreams.All(m => m.Type != MediaStreamType.Video))
+            {
+                return;
+            }
+
             var changesMade = false;
 
             foreach (var chapter in video.Chapters)
diff --git a/MediaBrowser.Controller/Providers/MediaInfo/FFMpegVideoImageProvider.cs b/MediaBrowser.Controller/Providers/MediaInfo/FFMpegVideoImageProvider.cs
index 5a8157ebf8..3d258fe66b 100644
--- a/MediaBrowser.Controller/Providers/MediaInfo/FFMpegVideoImageProvider.cs
+++ b/MediaBrowser.Controller/Providers/MediaInfo/FFMpegVideoImageProvider.cs
@@ -1,4 +1,5 @@
-using MediaBrowser.Common.IO;
+using System.Linq;
+using MediaBrowser.Common.IO;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Entities;
@@ -47,6 +48,12 @@ namespace MediaBrowser.Controller.Providers.MediaInfo
 
             if (video != null)
             {
+                // Can't extract images if there are no video streams
+                if (video.MediaStreams == null || video.MediaStreams.All(m => m.Type != MediaStreamType.Video))
+                {
+                    return false;
+                }
+
                 if (video.VideoType == VideoType.Iso && video.IsoType.HasValue && _isoManager.CanMount(item.Path))
                 {
                     return true;