[rygel] server: Improve extension mapping

[Jens Georg <jensgeorg src gnome org>]

commit 1b2ddf4063100be96c29ad6146b6c4183a89014a
Author: Jens Georg <mail jensge org>
Date:   Sun Feb 7 13:00:43 2016 +0100

    server: Improve extension mapping
    
    Signed-off-by: Jens Georg <mail jensge org>

 src/librygel-server/rygel-media-file-item.vala |   18 ++++++++++++------
 1 files changed, 12 insertions(+), 6 deletions(-)
---
diff --git a/src/librygel-server/rygel-media-file-item.vala b/src/librygel-server/rygel-media-file-item.vala
index 58ee9b0..aac729f 100644
--- a/src/librygel-server/rygel-media-file-item.vala
+++ b/src/librygel-server/rygel-media-file-item.vala
@@ -219,14 +219,17 @@ public abstract class Rygel.MediaFileItem : MediaItem {
                 mime_to_ext.set ("video/" + video, video);
             }
             mime_to_ext.set ("video/x-matroska", "mkv");
+            mime_to_ext.set ("video/x-mkv", "mkv");
 
             // audios
             mime_to_ext.set ("audio/x-wav", "wav");
             mime_to_ext.set ("audio/x-matroska", "mka");
-            mime_to_ext.set ("audio/L16","pcm");
-            mime_to_ext.set ("audio/vnd.dlna.adts","adts");
-            mime_to_ext.set ("audio/mpeg","mp3");
-            mime_to_ext.set ("audio/3gpp","3gp");
+            mime_to_ext.set ("audio/x-mkv", "mka");
+            mime_to_ext.set ("audio/x-mka", "mka");
+            mime_to_ext.set ("audio/L16", "lpcm");
+            mime_to_ext.set ("audio/vnd.dlna.adts", "adts");
+            mime_to_ext.set ("audio/mpeg", "mp3");
+            mime_to_ext.set ("audio/3gpp", "3gp");
 
             // images
             string[] images = {"jpeg", "png"};
@@ -243,8 +246,11 @@ public abstract class Rygel.MediaFileItem : MediaItem {
             mime_to_ext.set ("application/ogg", "ogg");
         }
 
-        if (MediaFileItem.mime_to_ext.has_key (mime_type)) {
-            return mime_to_ext.get (mime_type);
+        // Use first path of mime type to accomodate for audio/L16 variats
+        var short_mime = mime_type.split (";")[0];
+
+        if (MediaFileItem.mime_to_ext.has_key (short_mime)) {
+            return mime_to_ext.get (short_mime);
         }
 
         return "";