[rygel] server: Add Samsung TV hacks for mkv format

[Jens Georg <jensgeorg src gnome org>]

commit 32311fd80d1101c91b7796c2ea0920999c4bb142
Author: Choe Hwanjin <choe hwanjin gmail com>
Date:   Thu Dec 20 00:35:10 2012 +0900

    server: Add Samsung TV hacks for mkv format
    
    Samsung TV wants "video/x-mkv" instead of "video/x-matroska".
    
    https://bugzilla.gnome.org/show_bug.cgi?id=691654

 src/librygel-server/filelist.am                 |    1 +
 src/librygel-server/rygel-client-hacks.vala     |   26 +++++++++++++++-
 src/librygel-server/rygel-samsung-tv-hacks.vala |   36 +++++++++++++++++++++++
 3 files changed, 61 insertions(+), 2 deletions(-)
---
diff --git a/src/librygel-server/filelist.am b/src/librygel-server/filelist.am
index d0dfa3f..6d200a5 100644
--- a/src/librygel-server/filelist.am
+++ b/src/librygel-server/filelist.am
@@ -65,6 +65,7 @@ LIBRYGEL_SERVER_NONVAPI_SOURCE_FILES = \
        rygel-media-query-action.vala \
        rygel-media-receiver-registrar.vala \
        rygel-panasonic-hacks.vala \
+       rygel-samsung-tv-hacks.vala \
        rygel-search-criteria-parser.vala \
        rygel-search.vala \
        rygel-serializer.vala \
diff --git a/src/librygel-server/rygel-client-hacks.vala b/src/librygel-server/rygel-client-hacks.vala
index 3fd9040..d1cf04d 100644
--- a/src/librygel-server/rygel-client-hacks.vala
+++ b/src/librygel-server/rygel-client-hacks.vala
@@ -21,6 +21,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
+using Gee;
 using Soup;
 using GUPnP;
 
@@ -31,6 +32,8 @@ internal errordomain Rygel.ClientHacksError {
 internal abstract class Rygel.ClientHacks : GLib.Object {
     private const string CORRECT_OBJECT_ID = "ObjectID";
 
+    private static HashMap<string, string> client_agent_cache;
+
     public unowned string object_id { get;
                                       protected set;
                                       default = CORRECT_OBJECT_ID; }
@@ -50,7 +53,7 @@ internal abstract class Rygel.ClientHacks : GLib.Object {
         }
 
         if (message != null) {
-            this.check_headers (message.request_headers);
+            this.check_headers (message);
         }
     }
 
@@ -68,6 +71,10 @@ internal abstract class Rygel.ClientHacks : GLib.Object {
             return new WMPHacks (message);
         } catch (Error error) { }
 
+        try {
+            return new SamsungTVHacks (message);
+        } catch (Error error) { }
+
         return new XBMCHacks (message);
     }
 
@@ -95,11 +102,26 @@ internal abstract class Rygel.ClientHacks : GLib.Object {
                                        cancellable);
     }
 
-    private void check_headers (MessageHeaders headers)
+    private void check_headers (Message message)
                                           throws ClientHacksError {
+        var headers = message.request_headers;
+
         var agent = headers.get_one ("User-Agent");
+        if (agent == null) {
+            var address = message.get_address ();
+            agent = client_agent_cache.get (address.get_physical ());
+        }
+
         if (agent == null || !(this.agent_regex.match (agent))) {
             throw new ClientHacksError.NA (_("Not Applicable"));
         }
+
+        if (agent != null) {
+            var address = message.get_address ();
+            if (client_agent_cache == null) {
+                client_agent_cache = new HashMap<string, string>();
+            }
+            client_agent_cache.set (address.get_physical (), agent);
+        }
     }
 }
diff --git a/src/librygel-server/rygel-samsung-tv-hacks.vala b/src/librygel-server/rygel-samsung-tv-hacks.vala
new file mode 100644
index 0000000..452382e
--- /dev/null
+++ b/src/librygel-server/rygel-samsung-tv-hacks.vala
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2012 Choe Hwanjin <choe hwanjin gmail com>
+ *
+ * This file is part of Rygel.
+ *
+ * Rygel is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Rygel is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+using Soup;
+using GUPnP;
+
+internal class Rygel.SamsungTVHacks : ClientHacks {
+    private const string AGENT = ".*SEC_HHP.*|.*SEC HHP.*";
+
+    public SamsungTVHacks (Message? message = null) throws ClientHacksError {
+        base (AGENT, message);
+    }
+
+    public override void apply (MediaItem item) {
+        if (item.mime_type == "video/x-matroska") {
+            item.mime_type = "video/x-mkv";
+        }
+    }
+}