fix audio selector when service doesn't support audio track selection

diff --git a/lib/python/Screens/InfoBarGenerics.py b/lib/python/Screens/InfoBarGenerics.py
index 9562d0b7b397f1c7c8f435c8c539dcc0c84d5847..c2d600449179cd025eb2998f3ef0e91e1ec5876d 100644 (file)
--- a/lib/python/Screens/InfoBarGenerics.py
+++ b/lib/python/Screens/InfoBarGenerics.py
@@ -1228,11 +1228,11 @@ class InfoBarAudioSelection:
                service = self.session.nav.getCurrentService()
                audio = service and service.audioTracks()
                self.audioTracks = audio
                service = self.session.nav.getCurrentService()
                audio = service and service.audioTracks()
                self.audioTracks = audio

-               n = audio and audio.getNumberOfTracks()
+               n = audio and audio.getNumberOfTracks() or 0

                keys = [ "red", "", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0"] + [""]*n
                tlist = []
                print "tlist:", tlist
                keys = [ "red", "", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0"] + [""]*n
                tlist = []
                print "tlist:", tlist

-               if n and n > 0:
+               if n > 0:

                        self.audioChannel = service.audioChannel()
 
                        for x in range(n):
                        self.audioChannel = service.audioChannel()
 
                        for x in range(n):