code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Plugins/SystemPlugins/Videomode/VideoHardware.py

   1 from Screens.Screen import Screen
   2 from Plugins.Plugin import PluginDescriptor
   3
   4 from enigma import eTimer
   5
   6 from Components.ActionMap import ActionMap
   7 from Components.Label import Label
   8 from Components.Pixmap import Pixmap
   9 from Screens.MessageBox import MessageBox
  10 from Screens.Setup import SetupSummary
  11 from Components.ConfigList import ConfigListScreen
  12 from Components.config import getConfigListEntry, config, ConfigNothing, ConfigSelection, ConfigSubDict
  13
  14 from Tools.CList import CList
  15
  16 # The "VideoHardware" is the interface to /proc/stb/video.
  17 # It generates hotplug events, and gives you the list of
  18 # available and preferred modes, as well as handling the currently
  19 # selected mode. No other strict checking is done.
  20 class VideoHardware:
  21         rates = { } # high-level, use selectable modes.
  22
  23         modes = { }  # a list of (high-level) modes for a certain port.
  24
  25         rates["PAL"] =                  { "50Hz":               { 50: "pal", 60: "pal"},
  26                                                                                                 "60Hz":         { 50: "pal60", 60: "pal60"},
  27                                                                                                 "multi":        { 50: "pal", 60: "pal60"} }
  28         rates["NTSC"] =                 { "60Hz":       { 50: "ntsc", 60: "ntsc"} }
  29         rates["Multi"] =                { "multi":      { 50: "pal", 60: "ntsc"} }
  30         rates["720p"] =                 {       "50Hz":         { 50: "720p50", 60: "720p50"},
  31                                                                                                 "60Hz":         { 50: "720p", 60: "720p"},
  32                                                                                                 "multi":        { 50: "720p50", 60: "720p"} }
  33         rates["1080i"] =                { "50Hz":               { 50: "1080i50", 60: "1080i50"},
  34                                                                                                 "60Hz":         { 50: "1080i", 60: "1080i"},
  35                                                                                                 "multi":        { 50: "1080i50", 60: "1080i"} }
  36         rates["PC"] = {
  37                 "1024x768": { 60: "1024x768"}, # not possible on DM7025
  38                 "800x600" : { 60: "800x600"},  # also not possible
  39                 "720x480" : { 60: "720x480"},
  40                 "720x576" : { 60: "720x576"},
  41                 "1280x720": { 60: "1280x720"},
  42                 "1280x720 multi": { 50: "1280x720_50", 60: "1280x720"},
  43                 "1920x1080": { 60: "1920x1080"},
  44                 "1920x1080 multi": { 50: "1920x1080", 60: "1920x1080_50"},
  45                 "1280x1024" : { 60: "1280x1024"},
  46                 "640x480" : { 60: "640x480"}
  47         }
  48
  49         modes["Scart"] = ["PAL", "NTSC", "Multi"]
  50         modes["YPrPb"] = ["720p", "1080i"]
  51         modes["DVI"] = ["720p", "1080i", "PC"]
  52
  53         def __init__(self):
  54                 self.last_modes_preferred =  [ ]
  55                 self.on_hotplug = CList()
  56
  57                 self.on_hotplug.append(self.createConfig)
  58                 self.ignore_preferred = False   # "edid override"
  59
  60                 self.readAvailableModes()
  61                 self.readPreferredModes()
  62
  63                 # until we have the hotplug poll socket
  64                 self.timer = eTimer()
  65                 self.timer.timeout.get().append(self.readAvailableModes)
  66                 self.timer.start(1000)
  67
  68         def readAvailableModes(self):
  69                 try:
  70                         modes = open("/proc/stb/video/videomode_choices").read()[:-1]
  71                 except IOError:
  72                         print "couldn't read available videomodes."
  73                         self.modes_available = [ ]
  74                         return
  75                 self.modes_available = modes.split(' ')
  76
  77         def readPreferredModes(self):
  78                 try:
  79                         modes = open("/proc/stb/video/videomode_preferred").read()[:-1]
  80                         self.modes_preferred = modes.split(' ')
  81                 except IOError:
  82                         print "reading preferred modes failed, using all modes"
  83                         self.modes_preferred = self.modes_available
  84
  85                 if self.modes_preferred != self.last_modes_preferred:
  86                         self.last_modes_preferred = self.modes_preferred
  87                         self.on_hotplug("DVI") # must be DVI
  88
  89         # check if a high-level mode with a given rate is available.
  90         def isModeAvailable(self, port, mode, rate):
  91                 rate = self.rates[mode][rate]
  92                 for mode in rate.values():
  93                         # DVI modes must be in "modes_preferred"
  94                         if port == "DVI":
  95                                 if mode not in self.modes_preferred and not self.ignore_preferred:
  96                                         return False
  97                         if mode not in self.modes_available:
  98                                 return False
  99                 return True
 100
 101         def setMode(self, port, mode, rate):
 102                 # we can ignore "port"
 103                 self.current_mode = mode
 104                 modes = self.rates[mode][rate]
 105
 106                 mode_50 = modes.get(50)
 107                 mode_60 = modes.get(60)
 108                 if mode_50 is None:
 109                         mode_50 = mode_60
 110                 if mode_60 is None:
 111                         mode_60 = mode_50
 112
 113                 try:
 114                         open("/proc/stb/video/videomode_60hz", "w").write(mode_50)
 115                         open("/proc/stb/video/videomode_50hz", "w").write(mode_60)
 116                 except IOError:
 117                         try:
 118                                 # fallback if no possibility to setup 50/60 hz mode
 119                                 open("/proc/stb/video/videomode", "w").write(mode_50)
 120                         except IOError:
 121                                 print "setting videomode failed."
 122
 123         def isPortAvailable(self, port):
 124                 # fixme
 125                 return True
 126
 127         def getPortList(self):
 128                 return [port for port in self.modes if self.isPortAvailable(port)]
 129
 130         # get a list with all modes, with all rates, for a given port.
 131         def getModeList(self, port):
 132                 res = [ ]
 133                 for mode in self.modes[port]:
 134                         # list all rates which are completely valid
 135                         rates = [rate for rate in self.rates[mode] if self.isModeAvailable(port, mode, rate)]
 136
 137                         # if at least one rate is ok, add this mode
 138                         if len(rates):
 139                                 res.append( (mode, rates) )
 140                 return res
 141
 142         def createConfig(self, *args):
 143                 # create list of output ports
 144                 portlist = self.getPortList()
 145
 146                 # create list of available modes
 147                 config.av.videoport = ConfigSelection(choices = [(port, _(port)) for port in portlist])
 148                 config.av.videomode = ConfigSubDict()
 149                 config.av.videorate = ConfigSubDict()
 150
 151                 for port in portlist:
 152                         modes = self.getModeList(port)
 153                         if len(modes):
 154                                 config.av.videomode[port] = ConfigSelection(choices = [mode for (mode, rates) in modes])
 155                         for (mode, rates) in modes:
 156                                 config.av.videorate[mode] = ConfigSelection(choices = rates)
 157
 158 video_hw = VideoHardware()