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, ConfigSelection, ConfigSubDict, ConfigYesNo
  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                 "1366x768" : { 60: "1366x768"},
  47                 "1366x768 multi" : { 50: "1366x768", 60: "1366x768_50"},
  48                 "1280x768": { 60: "1280x768"},
  49                 "640x480" : { 60: "640x480"}
  50         }
  51
  52         modes["Scart"] = ["PAL", "NTSC", "Multi"]
  53         modes["YPbPr"] = ["720p", "1080i"]
  54         modes["DVI"] = ["720p", "1080i", "PC"]
  55
  56         def __init__(self):
  57                 self.last_modes_preferred =  [ ]
  58                 self.on_hotplug = CList()
  59
  60                 self.readAvailableModes()
  61
  62                 self.createConfig()
  63 #               self.on_hotplug.append(self.createConfig)
  64
  65                 self.readPreferredModes()
  66
  67                 # until we have the hotplug poll socket
  68 #               self.timer = eTimer()
  69 #               self.timer.timeout.get().append(self.readPreferredModes)
  70 #               self.timer.start(1000)
  71
  72         def readAvailableModes(self):
  73                 try:
  74                         modes = open("/proc/stb/video/videomode_choices").read()[:-1]
  75                 except IOError:
  76                         print "couldn't read available videomodes."
  77                         self.modes_available = [ ]
  78                         return
  79                 self.modes_available = modes.split(' ')
  80
  81         def readPreferredModes(self):
  82                 try:
  83                         modes = open("/proc/stb/video/videomode_preferred").read()[:-1]
  84                         self.modes_preferred = modes.split(' ')
  85                 except IOError:
  86                         print "reading preferred modes failed, using all modes"
  87                         self.modes_preferred = self.modes_available
  88
  89                 if self.modes_preferred != self.last_modes_preferred:
  90                         self.last_modes_preferred = self.modes_preferred
  91                         print "hotplug on dvi"
  92                         self.on_hotplug("DVI") # must be DVI
  93
  94         # check if a high-level mode with a given rate is available.
  95         def isModeAvailable(self, port, mode, rate):
  96                 rate = self.rates[mode][rate]
  97                 for mode in rate.values():
  98                         # DVI modes must be in "modes_preferred"
  99 #                       if port == "DVI":
 100 #                               if mode not in self.modes_preferred and not config.av.edid_override.value:
 101 #                                       print "no, not preferred"
 102 #                                       return False
 103                         if mode not in self.modes_available:
 104                                 return False
 105                 return True
 106
 107         def setMode(self, port, mode, rate, force = None):
 108                 print "setMode - port:", port, "mode:", mode, "rate:", rate
 109                 # we can ignore "port"
 110                 self.current_mode = mode
 111                 modes = self.rates[mode][rate]
 112
 113                 mode_50 = modes.get(50)
 114                 mode_60 = modes.get(60)
 115                 if mode_50 is None or force == 60:
 116                         mode_50 = mode_60
 117                 if mode_60 is None or force == 50:
 118                         mode_60 = mode_50
 119
 120                 try:
 121                         open("/proc/stb/video/videomode_60hz", "w").write(mode_50)
 122                         open("/proc/stb/video/videomode_50hz", "w").write(mode_60)
 123                 except IOError:
 124                         try:
 125                                 # fallback if no possibility to setup 50/60 hz mode
 126                                 open("/proc/stb/video/videomode", "w").write(mode_50)
 127                         except IOError:
 128                                 print "setting videomode failed."
 129
 130                 try:
 131                         open("/etc/videomode", "w").write(mode_50) # use 50Hz mode (if available) for booting
 132                 except IOError:
 133                         print "writing initial videomode to /etc/videomode failed."
 134
 135         def isPortAvailable(self, port):
 136                 # fixme
 137                 return True
 138
 139         def isPortUsed(self, port):
 140                 if port == "DVI":
 141                         self.readPreferredModes()
 142                         return len(self.modes_preferred) != 0
 143                 else:
 144                         return True
 145
 146         def getPortList(self):
 147                 return [port for port in self.modes if self.isPortAvailable(port)]
 148
 149         # get a list with all modes, with all rates, for a given port.
 150         def getModeList(self, port):
 151                 res = [ ]
 152                 for mode in self.modes[port]:
 153                         # list all rates which are completely valid
 154                         rates = [rate for rate in self.rates[mode] if self.isModeAvailable(port, mode, rate)]
 155
 156                         # if at least one rate is ok, add this mode
 157                         if len(rates):
 158                                 res.append( (mode, rates) )
 159                 return res
 160
 161         def createConfig(self, *args):
 162                 # create list of output ports
 163                 portlist = self.getPortList()
 164
 165                 # create list of available modes
 166                 config.av.videoport = ConfigSelection(choices = [(port, _(port)) for port in portlist])
 167                 config.av.videomode = ConfigSubDict()
 168                 config.av.videorate = ConfigSubDict()
 169
 170                 for port in portlist:
 171                         modes = self.getModeList(port)
 172                         if len(modes):
 173                                 config.av.videomode[port] = ConfigSelection(choices = [mode for (mode, rates) in modes])
 174                         for (mode, rates) in modes:
 175                                 config.av.videorate[mode] = ConfigSelection(choices = rates)
 176
 177         def setConfiguredMode(self):
 178                 port = config.av.videoport.value
 179                 if port not in config.av.videomode:
 180                         print "current port not available, not setting videomode"
 181                         return
 182
 183                 mode = config.av.videomode[port].value
 184
 185                 if mode not in config.av.videorate:
 186                         print "current mode not available, not setting videomode"
 187                         return
 188
 189                 rate = config.av.videorate[mode].value
 190                 self.setMode(port, mode, rate)
 191
 192 config.av.edid_override = ConfigYesNo(default = False)
 193 video_hw = VideoHardware()
 194 video_hw.setConfiguredMode()