ADDED   c/plugins/oggicon.py
Index: c/plugins/oggicon.py
==================================================================
--- c/plugins/oggicon.py
+++ c/plugins/oggicon.py
@@ -0,0 +1,66 @@
+# encoding: UTF-8
+# api: streamtuner2
+# title: OGG icon
+# description: highlights OGG Vorbis and Opus stations with icons
+# version: 0.1
+# depends: uikit
+# type: feature
+# category: ui
+# priority: extra
+#
+# Adds a Gtk icon for OGG Vorbis and Opus streams, which get displayed
+# leftmost (to the genre) as state icon.
+#
+# Instantiates the icons right away as pixbufs in an IconFactory, assigns
+# each to a short stock_id: `ogg` and `opus`.
+
+
+import uikit
+from config import *
+from channels import *
+
+
+# oggicon
+class oggicon (FeaturePlugin):
+
+    # icons
+    png = {
+        "ogg": """
+            iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAJFBMVEUAAAAVJCtCRRsdUnc5Vls2
+            b5qLhjZTjrBqkpOqmhmWz9fu1CObwCzQAAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZ
+            cwAACxMAAAsTAQCanBgAAAAHdElNRQfhAg0VAAsUWVEpAAAA10lEQVQY02NgAAGuAgYEWB6OYHNV
+            hSKklleFwqW4yqtC4VLLy11cnM0hbHaXwq5Vq4QhUktWCal0rVoCluKqaOnenbJqlaMISIfGKu+d
+            27yWSHQ4MDA67WyavXPmRI9VqxwYOpbM3g0E2VmrVpgzFHp57k7SnLZt1xJHUwb2wGW7V2jvzpy1
+            aoUDA4NI57YmoLpVq1YATRMR2r17m5Kix6olIItKBQVFVgkbCgqCnRMaGixobBwAcVxpaKixsSnU
+            1ewgTgDMQ6WhcAmQFEICKGWKFDrsEAkAzOpE42DS7YsAAAAASUVORK5CYII=""",
+        "opus": """
+            iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAGFBMVEVhcACTlZKYmpeeoJ2ipKGp
+            q6isrquytLF6/PABAAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACxMAAAsTAQCa
+            nBgAAAAHdElNRQfhAg0UOTZDd/q1AAAAYUlEQVQY02NgoAYoBwJ2CJMdxC4AIiCbLQ0EEkCYgSEN
+            DhIYWENBgBVMQTgMUMoFCBwYGFhANIwDoYyBwICBGUIZIwADgxICMDAwIbEZGAWhAOw0ICUAdzKj
+            ILIHBEn1MQBjViBd1YYkTgAAAABJRU5ErkJggg=="""
+    }
+
+    # hook filter, set gtk icons
+    def init2(self, parent):
+        GenericChannel.postprocess_filters.append(self.row_icon)
+        #uikit.gtk.rc_parse_string(gtkrc)
+        #uikit.gtk.rc_reset_styles(uikit.gtk.settings_get_for_screen(uikit.gtk.gdk.screen_get_default()))
+        self.add_icons()
+ 
+    # adds gtk.IconFactory and one IconSet/Pixbuf each
+    def add_icons(self):
+        fact = uikit.gtk.IconFactory()
+        for stock_id, b64_png in self.png.items():
+            img = uikit.gtk.IconSet(uikit.uikit.pixbuf(b64_png))
+            fact.add(stock_id, img)
+        fact.add_default()
+
+    # filter: add `state` icon name depending on audio format
+    def row_icon(self, row, channel):
+        if row.get("format") == "audio/ogg":
+            row["state"] = "ogg"
+        if row.get("format") == "audio/opus":
+            row["state"] = "opus"
+        return True
+