+ try:
+ can_downmix = open("/proc/stb/audio/ac3_choices", "r").read()[:-1].find("downmix") != -1
+ except:
+ can_downmix = False
+
+ SystemInfo["CanDownmixAC3"] = can_downmix
+ if can_downmix:
+ def setAC3Downmix(configElement):
+ open("/proc/stb/audio/ac3", "w").write(configElement.value and "downmix" or "passthrough")
+ config.av.downmix_ac3 = ConfigYesNo(default = True)
+ config.av.downmix_ac3.addNotifier(setAC3Downmix)