2 files changed, 39 insertions, 3 deletions
diff --git a/lib/python/Components/AVSwitch.py b/lib/python/Components/AVSwitch.py
index bc2a66a4..2658f9ba 100644
--- a/lib/python/Components/AVSwitch.py
+++ b/lib/python/Components/AVSwitch.py
@@ -1,5 +1,5 @@
 from config import config, ConfigSlider, ConfigSelection, ConfigYesNo, \
-	ConfigEnableDisable, ConfigSubsection, ConfigBoolean, ConfigNumber, ConfigNothing, NoSave
+	ConfigEnableDisable, ConfigSubsection, ConfigBoolean, ConfigSelectionNumber, ConfigNothing, NoSave
 from enigma import eAVSwitch, getDesktop
 from SystemInfo import SystemInfo
 from os import path as os_path
@@ -112,8 +112,8 @@ def InitAVSwitch():
 	config.av.tvsystem = ConfigSelection(choices = {"pal": _("PAL"), "ntsc": _("NTSC"), "multinorm": _("multinorm")}, default="pal")
 	config.av.wss = ConfigEnableDisable(default = True)
 	config.av.defaultac3 = ConfigYesNo(default = False)
-	config.av.generalAC3delay = ConfigNumber(default = 0)
-	config.av.generalPCMdelay = ConfigNumber(default = 0)
+	config.av.generalAC3delay = ConfigSelectionNumber(-1000, 1000, 25, default = 0)
+	config.av.generalPCMdelay = ConfigSelectionNumber(-1000, 1000, 25, default = 0)
 	config.av.vcrswitch = ConfigEnableDisable(default = False)
 
 	iAVSwitch = AVSwitch()
diff --git a/lib/python/Components/config.py b/lib/python/Components/config.py
index 49501f95..d17f7711 100755
--- a/lib/python/Components/config.py
+++ b/lib/python/Components/config.py
@@ -1017,6 +1017,42 @@ class ConfigPassword(ConfigText):
 		ConfigText.onDeselect(self, session)
 		self.hidden = True
 
+# lets the user select between [min, min+stepwidth, min+(stepwidth*2)..., maxval] with maxval <= max depending
+# on the stepwidth
+# min, max, stepwidth, default are int values
+# wraparound: pressing RIGHT key at max value brings you to min value and vice versa if set to True
+class ConfigSelectionNumber(ConfigSelection):
+	def __init__(self, min, max, stepwidth, default = None, wraparound = False):
+		self.wraparound = wraparound
+		if default is None:
+			default = min
+		default = str(default)
+		choices = []
+		step = min
+		while step <= max:
+			choices.append(str(step))
+			step += stepwidth
+		
+		ConfigSelection.__init__(self, choices, default)
+		
+	def getValue(self):
+		return int(self.text)
+
+	def setValue(self, val):
+		self.text = str(val)
+		
+	def handleKey(self, key):
+		if not self.wraparound:
+			if key == KEY_RIGHT:
+				if len(self.choices) == (self.choices.index(self.value) + 1):
+					return
+			if key == KEY_LEFT:
+				if self.choices.index(self.value) == 0:
+					return
+		ConfigSelection.handleKey(self, key)
+				
+				
+
 class ConfigNumber(ConfigText):
 	def __init__(self, default = 0):
 		ConfigText.__init__(self, str(default), fixed_size = False)