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from config import config, ConfigSlider, ConfigSelection, ConfigYesNo, ConfigEnableDisable, ConfigSubsection, ConfigBoolean
from enigma import eAVSwitch
from SystemInfo import SystemInfo
class AVSwitch:
INPUT = { "ENCODER": (0, 4), "SCART": (1, 3), "AUX": (2, 4) }
def setInput(self, input):
eAVSwitch.getInstance().setInput(self.INPUT[input][0])
if self.INPUT[input][1] == 4:
aspect = self.getAspectRatioSetting()
self.setAspectWSS(aspect)
self.setAspectSlowBlank(aspect)
else:
eAVSwitch.getInstance().setSlowblank(self.INPUT[input][1])
# FIXME why do we have to reset the colorformat? bug in avs-driver?
map = {"cvbs": 0, "rgb": 1, "svideo": 2, "yuv": 3}
eAVSwitch.getInstance().setColorFormat(map[config.av.colorformat.value])
def setColorFormat(self, value):
eAVSwitch.getInstance().setColorFormat(value)
def setAspectRatio(self, value):
eAVSwitch.getInstance().setAspectRatio(value)
self.setAspectWSS(value)
self.setAspectSlowBlank(value)
def setSystem(self, value):
eAVSwitch.getInstance().setVideomode(value)
def getOutputAspect(self):
if valstr in ("4_3_letterbox", "4_3_panscan"): # 4:3
return 1.333333333
elif valstr == "16_9": # auto ... 4:3 or 16:9
# TODO: here we must retrieve the current video aspect ratio...
# because the TV can run in 4:3 or in 16:9 mode.. (switched by wss or scart pin8)
# until we have done this we always return the scale value for 16:9!!
return 1.777777778
elif valstr in ("16_9_always", "16_9_letterbox"): # 16:9
return 1.777777778
elif valstr in ("16_10_letterbox", "16_10_panscan"): # 16:10
return 1.6
print "unknown output aspect!"
return 1.0000
def getAspectRatioSetting(self):
valstr = config.av.aspectratio.value
if valstr == "4_3_letterbox":
val = 0
elif valstr == "4_3_panscan":
val = 1
elif valstr == "16_9":
val = 2
elif valstr == "16_9_always":
val = 3
elif valstr == "16_10_letterbox":
val = 4
elif valstr == "16_10_panscan":
val = 5
elif valstr == "16_9_letterbox":
val = 6
return val
def setAspectWSS(self, aspect=None):
if aspect is None:
aspect = self.getAspectRatioSetting()
if aspect == 0 or aspect == 1: # letterbox or panscan
if not config.av.wss.value:
value = 0 # wss off
else:
value = 3 # 4:3_full_format
elif aspect == 2: # 16:9
if not config.av.wss.value:
value = 2 # auto(4:3_off)
else:
value = 1 # auto
elif aspect == 3 or aspect == 6: # always 16:9
value = 4 # 16:9_full_format
elif aspect == 4 or aspect == 5: # 16:10
value = 10 # 14:9_full_format
eAVSwitch.getInstance().setWSS(value)
def setAspectSlowBlank(self, aspect=None):
if aspect is None:
aspect = self.getAspectRatioSetting()
if aspect == 0 or aspect == 1: # letterbox or panscan
value = 2 # 12 V
elif aspect == 2: # 16:9
value = 4 # auto
elif aspect == 3 or aspect == 4 or aspect == 5 or aspect == 6: # always 16:9
value = 1 # 6V
eAVSwitch.getInstance().setSlowblank(value)
def InitAVSwitch():
config.av = ConfigSubsection()
config.av.yuvenabled = ConfigBoolean(default=False)
colorformat_choices = {"cvbs": _("CVBS"), "rgb": _("RGB"), "svideo": _("S-Video")}
# when YUV is not enabled, don't let the user select it
if config.av.yuvenabled.value:
colorformat_choices["yuv"] = _("YPbPr")
config.av.colorformat = ConfigSelection(choices=colorformat_choices, default="rgb")
config.av.aspectratio = ConfigSelection(choices={
"4_3_letterbox": _("4:3 Letterbox"),
"4_3_panscan": _("4:3 PanScan"),
"16_9": _("16:9"),
"16_9_always": _("16:9 always"),
"16_10_letterbox": _("16:10 Letterbox"),
"16_10_panscan": _("16:10 PanScan"),
"16_9_letterbox": _("16:9 Letterbox")},
default = "4_3_letterbox")
config.av.aspect = ConfigSelection(choices={
"4_3": _("4:3"),
"16_9": _("16:9"),
"16_10": _("16:10"),
"auto": _("Automatic")},
default = "auto")
config.av.policy_169 = ConfigSelection(choices={
# TRANSLATORS: (aspect ratio policy: black bars on top/bottom) in doubt, keep english term.
"letterbox": _("Letterbox"),
# TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
"panscan": _("Pan&Scan"),
# TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
"scale": _("Just Scale")},
default = "letterbox")
config.av.policy_43 = ConfigSelection(choices={
# TRANSLATORS: (aspect ratio policy: black bars on left/right) in doubt, keep english term.
"pillarbox": _("Pillarbox"),
# TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
"panscan": _("Pan&Scan"),
# TRANSLATORS: (aspect ratio policy: display as fullscreen, with stretching the left/right)
"nonlinear": _("Nonlinear"),
# TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
"scale": _("Just Scale")},
default = "pillarbox")
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.vcrswitch = ConfigEnableDisable(default = False)
iAVSwitch = AVSwitch()
def setColorFormat(configElement):
map = {"cvbs": 0, "rgb": 1, "svideo": 2, "yuv": 3}
iAVSwitch.setColorFormat(map[configElement.value])
def setAspectRatio(configElement):
map = {"4_3_letterbox": 0, "4_3_panscan": 1, "16_9": 2, "16_9_always": 3, "16_10_letterbox": 4, "16_10_panscan": 5, "16_9_letterbox" : 6}
iAVSwitch.setAspectRatio(map[configElement.value])
def setSystem(configElement):
map = {"pal": 0, "ntsc": 1, "multinorm" : 2}
iAVSwitch.setSystem(map[configElement.value])
def setWSS(configElement):
iAVSwitch.setAspectWSS()
# this will call the "setup-val" initial
config.av.colorformat.addNotifier(setColorFormat)
config.av.aspectratio.addNotifier(setAspectRatio)
config.av.tvsystem.addNotifier(setSystem)
config.av.wss.addNotifier(setWSS)
iAVSwitch.setInput("ENCODER") # init on startup
SystemInfo["ScartSwitch"] = eAVSwitch.getInstance().haveScartSwitch()
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)
try:
can_osd_alpha = open("/proc/stb/video/alpha", "r") and True or False
except:
can_osd_alpha = False
SystemInfo["CanChangeOsdAlpha"] = can_osd_alpha
def setAlpha(config):
open("/proc/stb/video/alpha", "w").write(str(config.value))
if can_osd_alpha:
config.av.osd_alpha = ConfigSlider(default=255, limits=(0,255))
config.av.osd_alpha.addNotifier(setAlpha)
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