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from Screens.Screen import Screen
from Plugins.Plugin import PluginDescriptor
from enigma import eTimer
from Components.ActionMap import ActionMap
from Components.Label import Label
from Components.Pixmap import Pixmap
from Screens.MessageBox import MessageBox
from Screens.Setup import SetupSummary
from Components.ConfigList import ConfigListScreen
from Components.config import getConfigListEntry, config, ConfigSelection, ConfigSubDict, ConfigYesNo
from Tools.CList import CList
# The "VideoHardware" is the interface to /proc/stb/video.
# It generates hotplug events, and gives you the list of
# available and preferred modes, as well as handling the currently
# selected mode. No other strict checking is done.
class VideoHardware:
rates = { } # high-level, use selectable modes.
modes = { } # a list of (high-level) modes for a certain port.
rates["PAL"] = { "50Hz": { 50: "pal", 60: "pal"},
"60Hz": { 50: "pal60", 60: "pal60"},
"multi": { 50: "pal", 60: "pal60"} }
rates["NTSC"] = { "60Hz": { 50: "ntsc", 60: "ntsc"} }
rates["Multi"] = { "multi": { 50: "pal", 60: "ntsc"} }
rates["720p"] = { "50Hz": { 50: "720p50", 60: "720p50"},
"60Hz": { 50: "720p", 60: "720p"},
"multi": { 50: "720p50", 60: "720p"} }
rates["1080i"] = { "50Hz": { 50: "1080i50", 60: "1080i50"},
"60Hz": { 50: "1080i", 60: "1080i"},
"multi": { 50: "1080i50", 60: "1080i"} }
rates["PC"] = {
"1024x768": { 60: "1024x768"}, # not possible on DM7025
"800x600" : { 60: "800x600"}, # also not possible
"720x480" : { 60: "720x480"},
"720x576" : { 60: "720x576"},
"1280x720": { 60: "1280x720"},
"1280x720 multi": { 50: "1280x720_50", 60: "1280x720"},
"1920x1080": { 60: "1920x1080"},
"1920x1080 multi": { 50: "1920x1080", 60: "1920x1080_50"},
"1280x1024" : { 60: "1280x1024"},
"1366x768" : { 60: "1366x768"},
"1366x768 multi" : { 50: "1366x768", 60: "1366x768_50"},
"1280x768": { 60: "1280x768"},
"640x480" : { 60: "640x480"}
}
modes["Scart"] = ["PAL", "NTSC", "Multi"]
modes["YPbPr"] = ["720p", "1080i"]
modes["DVI"] = ["720p", "1080i", "PC"]
widescreen_modes = set(["720p", "1080i"])
def __init__(self):
self.last_modes_preferred = [ ]
self.on_hotplug = CList()
self.readAvailableModes()
self.createConfig()
# self.on_hotplug.append(self.createConfig)
self.readPreferredModes()
config.av.aspect.addNotifier(self.updateAspect)
config.av.policy_169.addNotifier(self.updateAspect)
config.av.policy_43.addNotifier(self.updateAspect)
# until we have the hotplug poll socket
# self.timer = eTimer()
# self.timer.callback.append(self.readPreferredModes)
# self.timer.start(1000)
def readAvailableModes(self):
try:
modes = open("/proc/stb/video/videomode_choices").read()[:-1]
except IOError:
print "couldn't read available videomodes."
self.modes_available = [ ]
return
self.modes_available = modes.split(' ')
def readPreferredModes(self):
try:
modes = open("/proc/stb/video/videomode_preferred").read()[:-1]
self.modes_preferred = modes.split(' ')
except IOError:
print "reading preferred modes failed, using all modes"
self.modes_preferred = self.modes_available
if self.modes_preferred != self.last_modes_preferred:
self.last_modes_preferred = self.modes_preferred
print "hotplug on dvi"
self.on_hotplug("DVI") # must be DVI
# check if a high-level mode with a given rate is available.
def isModeAvailable(self, port, mode, rate):
rate = self.rates[mode][rate]
for mode in rate.values():
# DVI modes must be in "modes_preferred"
# if port == "DVI":
# if mode not in self.modes_preferred and not config.av.edid_override.value:
# print "no, not preferred"
# return False
if mode not in self.modes_available:
return False
return True
def isWidescreenMode(self, port, mode):
return mode in self.widescreen_modes
def setMode(self, port, mode, rate, force = None):
print "setMode - port:", port, "mode:", mode, "rate:", rate
# we can ignore "port"
self.current_mode = mode
modes = self.rates[mode][rate]
mode_50 = modes.get(50)
mode_60 = modes.get(60)
if mode_50 is None or force == 60:
mode_50 = mode_60
if mode_60 is None or force == 50:
mode_60 = mode_50
try:
open("/proc/stb/video/videomode_60hz", "w").write(mode_50)
open("/proc/stb/video/videomode_50hz", "w").write(mode_60)
except IOError:
try:
# fallback if no possibility to setup 50/60 hz mode
open("/proc/stb/video/videomode", "w").write(mode_50)
except IOError:
print "setting videomode failed."
try:
open("/etc/videomode", "w").write(mode_50) # use 50Hz mode (if available) for booting
except IOError:
print "writing initial videomode to /etc/videomode failed."
self.updateAspect(None)
def saveMode(self, port, mode, rate):
config.av.videoport.value = port
config.av.videomode[port].value = mode
config.av.videorate[mode].value = rate
def isPortAvailable(self, port):
# fixme
return True
def isPortUsed(self, port):
if port == "DVI":
self.readPreferredModes()
return len(self.modes_preferred) != 0
else:
return True
def getPortList(self):
return [port for port in self.modes if self.isPortAvailable(port)]
# get a list with all modes, with all rates, for a given port.
def getModeList(self, port):
print "getModeList for port", port
res = [ ]
for mode in self.modes[port]:
# list all rates which are completely valid
rates = [rate for rate in self.rates[mode] if self.isModeAvailable(port, mode, rate)]
# if at least one rate is ok, add this mode
if len(rates):
res.append( (mode, rates) )
return res
def createConfig(self, *args):
# create list of output ports
portlist = self.getPortList()
# create list of available modes
config.av.videoport = ConfigSelection(choices = [(port, _(port)) for port in portlist])
config.av.videomode = ConfigSubDict()
config.av.videorate = ConfigSubDict()
for port in portlist:
modes = self.getModeList(port)
if len(modes):
config.av.videomode[port] = ConfigSelection(choices = [mode for (mode, rates) in modes])
for (mode, rates) in modes:
config.av.videorate[mode] = ConfigSelection(choices = rates)
def setConfiguredMode(self):
port = config.av.videoport.value
if port not in config.av.videomode:
print "current port not available, not setting videomode"
return
mode = config.av.videomode[port].value
if mode not in config.av.videorate:
print "current mode not available, not setting videomode"
return
rate = config.av.videorate[mode].value
self.setMode(port, mode, rate)
def updateAspect(self, cfgelement):
# determine aspect = {any,4:3,16:9,16:10}
# determine policy = {bestfit,letterbox,panscan,nonlinear}
# based on;
# config.av.videoport.value: current video output device
# Scart:
# config.av.aspect:
# 4_3: use policy_169
# 16_9,16_10: use policy_43
# auto always "bestfit"
# config.av.policy_169
# letterbox use letterbox
# panscan use panscan
# scale use bestfit
# config.av.policy_43
# pillarbox use panscan
# panscan use letterbox ("panscan" is just a bad term, it's inverse-panscan)
# nonlinear use nonlinear
# scale use bestfit
port = config.av.videoport.value
if port not in config.av.videomode:
print "current port not available, not setting videomode"
return
mode = config.av.videomode[port].value
force_widescreen = self.isWidescreenMode(port, mode)
is_widescreen = force_widescreen or config.av.aspect.value in ["16_9", "16_10"]
is_auto = config.av.aspect.value == "auto"
if is_widescreen:
if force_widescreen:
aspect = "16:9"
else:
aspect = {"16_9": "16:9", "16_10": "16:10"}[config.av.aspect.value]
policy = {"pillarbox": "panscan", "panscan": "letterbox", "nonlinear": "nonlinear", "scale": "bestfit"}[config.av.policy_43.value]
elif is_auto:
aspect = "any"
policy = "bestfit"
else:
aspect = "4:3"
policy = {"letterbox": "letterbox", "panscan": "panscan", "scale": "bestfit"}[config.av.policy_169.value]
print "-> setting aspect, policy", aspect, policy
open("/proc/stb/video/aspect", "w").write(aspect)
open("/proc/stb/video/policy", "w").write(policy)
config.av.edid_override = ConfigYesNo(default = False)
video_hw = VideoHardware()
video_hw.setConfiguredMode()
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