[shotwell] Update vaapi blacklisting

[Jens Georg <jensgeorg src gnome org>]

commit 6fb50b78c45c1a48f048b2f8ebf708672376c4ad
Author: Jens Georg <mail jensge org>
Date:   Mon Apr 17 08:03:48 2017 +0200

    Update vaapi blacklisting
    
    Signed-off-by: Jens Georg <mail jensge org>

 src/VideoSupport.vala                       |   13 +++++--------
 thumbnailer/shotwell-video-thumbnailer.vala |   16 ++++++----------
 2 files changed, 11 insertions(+), 18 deletions(-)
---
diff --git a/src/VideoSupport.vala b/src/VideoSupport.vala
index 5076a31..17cb189 100644
--- a/src/VideoSupport.vala
+++ b/src/VideoSupport.vala
@@ -403,15 +403,12 @@ public class Video : VideoSource, Flaggable, Monitorable, Dateable {
          * https://bugzilla.gnome.org/show_bug.cgi?id=762416
          */
 
-        var feature = registry.find_feature ("vaapidecodebin",
-                                             typeof (Gst.ElementFactory));
-        if (feature != null) {
-            registry.remove_feature (feature);
-        }
+        var features = registry.feature_filter ((f) => {
+            return f.get_name ().has_prefix ("vaapi");
+        }, false);
 
-        feature = registry.find_feature ("vaapidecode",
-                                         typeof (Gst.ElementFactory));
-        if (feature != null) {
+        foreach (var feature in features) {
+            debug ("Removing registry feature %s", feature.get_name ());
             registry.remove_feature (feature);
         }
 
diff --git a/thumbnailer/shotwell-video-thumbnailer.vala b/thumbnailer/shotwell-video-thumbnailer.vala
index 234868a..36a8203 100644
--- a/thumbnailer/shotwell-video-thumbnailer.vala
+++ b/thumbnailer/shotwell-video-thumbnailer.vala
@@ -11,7 +11,7 @@
 // a replacement for totem-video-thumbnailer
 class ShotwellThumbnailer {
     const string caps_string = """video/x-raw,format=RGB,pixel-aspect-ratio=1/1""";
-    
+
     public static int main(string[] args) {
         Gst.Element pipeline, sink;
         string descr;
@@ -23,16 +23,12 @@ class ShotwellThumbnailer {
         Gst.init(ref args);
 
         var registry = Gst.Registry.@get ();
+        var features = registry.feature_filter ((f) => {
+            return f.get_name ().has_prefix ("vaapi");
+        }, false);
 
-        var feature = registry.find_feature ("vaapidecodebin",
-                                             typeof (Gst.ElementFactory));
-        if (feature != null) {
-            registry.remove_feature (feature);
-        }
-
-        feature = registry.find_feature ("vaapidecode",
-                                             typeof (Gst.ElementFactory));
-        if (feature != null) {
+        foreach (var feature in features) {
+            debug ("Removing registry feature %s", feature.get_name ());
             registry.remove_feature (feature);
         }