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["YPrPb"] = ["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.on_hotplug.append(self.createConfig)
  61
  62                 self.readAvailableModes()
  63                 self.readPreferredModes()
  64
  65                 # until we have the hotplug poll socket
  66 #               self.timer = eTimer()
  67 #               self.timer.timeout.get().append(self.readPreferredModes)
  68 #               self.timer.start(1000)
  69
  70         def readAvailableModes(self):
  71                 try:
  72                         modes = open("/proc/stb/video/videomode_choices").read()[:-1]
  73                 except IOError:
  74                         print "couldn't read available videomodes."
  75                         self.modes_available = [ ]
  76                         return
  77                 self.modes_available = modes.split(' ')
  78
  79         def readPreferredModes(self):
  80                 try:
  81                         modes = open("/proc/stb/video/videomode_preferred").read()[:-1]
  82                         self.modes_preferred = modes.split(' ')
  83                 except IOError:
  84                         print "reading preferred modes failed, using all modes"
  85                         self.modes_preferred = self.modes_available
  86
  87                 if self.modes_preferred != self.last_modes_preferred:
  88                         self.last_modes_preferred = self.modes_preferred
  89                         print "hotplug on dvi"
  90                         self.on_hotplug("DVI") # must be DVI
  91
  92         # check if a high-level mode with a given rate is available.
  93         def isModeAvailable(self, port, mode, rate):
  94                 print "isModeAvailable:", port, mode, rate,
  95                 rate = self.rates[mode][rate]
  96                 for mode in rate.values():
  97                         # DVI modes must be in "modes_preferred"
  98 #                       if port == "DVI":
  99 #                               if mode not in self.modes_preferred and not config.av.edid_override.value:
 100 #                                       print "no, not preferred"
 101 #                                       return False
 102                         if mode not in self.modes_available:
 103                                 print "no, not available"
 104                                 return False
 105                 print "yes"
 106                 return True
 107
 108         def setMode(self, port, mode, rate, force = None):
 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         def isPortAvailable(self, port):
 131                 # fixme
 132                 return True
 133
 134         def getPortList(self):
 135                 return [port for port in self.modes if self.isPortAvailable(port)]
 136
 137         # get a list with all modes, with all rates, for a given port.
 138         def getModeList(self, port):
 139                 res = [ ]
 140                 for mode in self.modes[port]:
 141                         # list all rates which are completely valid
 142                         rates = [rate for rate in self.rates[mode] if self.isModeAvailable(port, mode, rate)]
 143
 144                         # if at least one rate is ok, add this mode
 145                         if len(rates):
 146                                 res.append( (mode, rates) )
 147                 return res
 148
 149         def createConfig(self, *args):
 150                 # create list of output ports
 151                 portlist = self.getPortList()
 152
 153                 # create list of available modes
 154                 config.av.videoport = ConfigSelection(choices = [(port, _(port)) for port in portlist])
 155                 config.av.videomode = ConfigSubDict()
 156                 config.av.videorate = ConfigSubDict()
 157
 158                 for port in portlist:
 159                         modes = self.getModeList(port)
 160                         if len(modes):
 161                                 config.av.videomode[port] = ConfigSelection(choices = [mode for (mode, rates) in modes])
 162                         for (mode, rates) in modes:
 163                                 config.av.videorate[mode] = ConfigSelection(choices = rates)
 164
 165 config.av.edid_override = ConfigYesNo(default = False)
 166 video_hw = VideoHardware()