lib/python/Plugins/SystemPlugins/Videomode/VideoHardware.py

   1 from enigma import eTimer
   2 from Components.config import config, ConfigSelection, ConfigSubDict, ConfigYesNo
   3
   4 from Tools.CList import CList
   5
   6 # The "VideoHardware" is the interface to /proc/stb/video.
   7 # It generates hotplug events, and gives you the list of
   8 # available and preferred modes, as well as handling the currently
   9 # selected mode. No other strict checking is done.
  10 class VideoHardware:
  11         rates = { } # high-level, use selectable modes.
  12
  13         modes = { }  # a list of (high-level) modes for a certain port.
  14
  15         rates["PAL"] =                  { "50Hz":               { 50: "pal" },
  16                                                                 "60Hz":         { 60: "pal60" },
  17                                                                 "multi":        { 50: "pal", 60: "pal60" } }
  18
  19         rates["NTSC"] =                 { "60Hz":       { 60: "ntsc" } }
  20
  21         rates["Multi"] =                { "multi":      { 50: "pal", 60: "ntsc" } }
  22
  23         rates["480i"] =                 { "60Hz":       { 60: "480i" } }
  24
  25         rates["576i"] =                 { "50Hz":       { 50: "576i" } }
  26
  27         rates["480p"] =                 { "60Hz":       { 60: "480p" } }
  28
  29         rates["576p"] =                 { "50Hz":       { 50: "576p" } }
  30
  31         rates["720p"] =                 { "50Hz":       { 50: "720p50" },
  32                                                                 "60Hz":         { 60: "720p" },
  33                                                                 "multi":        { 50: "720p50", 60: "720p" } }
  34
  35         rates["1080i"] =                { "50Hz":               { 50: "1080i50" },
  36                                                                 "60Hz":         { 60: "1080i" },
  37                                                                 "multi":        { 50: "1080i50", 60: "1080i" } }
  38
  39         rates["PC"] = {
  40                 "1024x768": { 60: "1024x768" }, # not possible on DM7025
  41                 "800x600" : { 60: "800x600" },  # also not possible
  42                 "720x480" : { 60: "720x480" },
  43                 "720x576" : { 60: "720x576" },
  44                 "1280x720": { 60: "1280x720" },
  45                 "1280x720 multi": { 50: "1280x720_50", 60: "1280x720" },
  46                 "1920x1080": { 60: "1920x1080"},
  47                 "1920x1080 multi": { 50: "1920x1080", 60: "1920x1080_50" },
  48                 "1280x1024" : { 60: "1280x1024"},
  49                 "1366x768" : { 60: "1366x768"},
  50                 "1366x768 multi" : { 50: "1366x768", 60: "1366x768_50" },
  51                 "1280x768": { 60: "1280x768" },
  52                 "640x480" : { 60: "640x480" }
  53         }
  54
  55         modes["Scart"] = ["PAL", "NTSC", "Multi"]
  56         modes["YPbPr"] = ["720p", "1080i", "576p", "480p", "576i", "480i"]
  57         modes["DVI"] = ["720p", "1080i", "576p", "480p", "576i", "480i"]
  58         modes["DVI-PC"] = ["PC"]
  59
  60         widescreen_modes = set(["720p", "1080i"])
  61
  62         def getOutputAspect(self):
  63                 ret = (16,9)
  64                 port = config.av.videoport.value
  65                 if port not in config.av.videomode:
  66                         print "current port not available in getOutputAspect!!! force 16:9"
  67                 else:
  68                         mode = config.av.videomode[port].value
  69                         force_widescreen = self.isWidescreenMode(port, mode)
  70                         is_widescreen = force_widescreen or config.av.aspect.value in ("16_9", "16_10")
  71                         is_auto = config.av.aspect.value == "auto"
  72                         if is_widescreen:
  73                                 if force_widescreen:
  74                                         pass
  75                                 else:
  76                                         aspect = {"16_9": "16:9", "16_10": "16:10"}[config.av.aspect.value]
  77                                         if aspect == "16:10":
  78                                                 ret = (16,10)
  79                         elif is_auto:
  80                                 try:
  81                                         aspect_str = open("/proc/stb/vmpeg/0/aspect", "r").read()
  82                                         if aspect_str == "1": # 4:3
  83                                                 ret = (4,3)
  84                                 except IOError:
  85                                         pass
  86                         else:  # 4:3
  87                                 ret = (4,3)
  88                 return ret
  89
  90         def __init__(self):
  91                 self.last_modes_preferred =  [ ]
  92                 self.on_hotplug = CList()
  93                 self.current_mode = None
  94                 self.current_port = None
  95
  96                 self.readAvailableModes()
  97
  98                 self.createConfig()
  99 #               self.on_hotplug.append(self.createConfig)
 100
 101                 self.readPreferredModes()
 102
 103                 # take over old AVSwitch component :)
 104                 from Components.AVSwitch import AVSwitch
 105 #               config.av.colorformat.notifiers = [ ]
 106                 config.av.aspectratio.notifiers = [ ]
 107                 config.av.tvsystem.notifiers = [ ]
 108                 config.av.wss.notifiers = [ ]
 109                 AVSwitch.getOutputAspect = self.getOutputAspect
 110
 111                 config.av.aspect.addNotifier(self.updateAspect)
 112                 config.av.wss.addNotifier(self.updateAspect)
 113                 config.av.policy_169.addNotifier(self.updateAspect)
 114                 config.av.policy_43.addNotifier(self.updateAspect)
 115
 116                 # until we have the hotplug poll socket
 117 #               self.timer = eTimer()
 118 #               self.timer.callback.append(self.readPreferredModes)
 119 #               self.timer.start(1000)
 120
 121         def readAvailableModes(self):
 122                 try:
 123                         modes = open("/proc/stb/video/videomode_choices").read()[:-1]
 124                 except IOError:
 125                         print "couldn't read available videomodes."
 126                         self.modes_available = [ ]
 127                         return
 128                 self.modes_available = modes.split(' ')
 129
 130         def readPreferredModes(self):
 131                 try:
 132                         modes = open("/proc/stb/video/videomode_preferred").read()[:-1]
 133                         self.modes_preferred = modes.split(' ')
 134                 except IOError:
 135                         print "reading preferred modes failed, using all modes"
 136                         self.modes_preferred = self.modes_available
 137
 138                 if self.modes_preferred != self.last_modes_preferred:
 139                         self.last_modes_preferred = self.modes_preferred
 140                         print "hotplug on dvi"
 141                         self.on_hotplug("DVI") # must be DVI
 142
 143         # check if a high-level mode with a given rate is available.
 144         def isModeAvailable(self, port, mode, rate):
 145                 rate = self.rates[mode][rate]
 146                 for mode in rate.values():
 147                         # DVI modes must be in "modes_preferred"
 148 #                       if port == "DVI":
 149 #                               if mode not in self.modes_preferred and not config.av.edid_override.value:
 150 #                                       print "no, not preferred"
 151 #                                       return False
 152                         if mode not in self.modes_available:
 153                                 return False
 154                 return True
 155
 156         def isWidescreenMode(self, port, mode):
 157                 return mode in self.widescreen_modes
 158
 159         def setMode(self, port, mode, rate, force = None):
 160                 print "setMode - port:", port, "mode:", mode, "rate:", rate
 161                 # we can ignore "port"
 162                 self.current_mode = mode
 163                 self.current_port = port
 164                 modes = self.rates[mode][rate]
 165
 166                 mode_50 = modes.get(50)
 167                 mode_60 = modes.get(60)
 168                 if mode_50 is None or force == 60:
 169                         mode_50 = mode_60
 170                 if mode_60 is None or force == 50:
 171                         mode_60 = mode_50
 172
 173                 try:
 174                         open("/proc/stb/video/videomode_50hz", "w").write(mode_50)
 175                         open("/proc/stb/video/videomode_60hz", "w").write(mode_60)
 176                 except IOError:
 177                         try:
 178                                 # fallback if no possibility to setup 50/60 hz mode
 179                                 open("/proc/stb/video/videomode", "w").write(mode_50)
 180                         except IOError:
 181                                 print "setting videomode failed."
 182
 183                 try:
 184                         open("/etc/videomode", "w").write(mode_50) # use 50Hz mode (if available) for booting
 185                 except IOError:
 186                         print "writing initial videomode to /etc/videomode failed."
 187
 188                 self.updateAspect(None)
 189
 190         def saveMode(self, port, mode, rate):
 191                 print "saveMode", port, mode, rate
 192                 config.av.videoport.value = port
 193                 config.av.videoport.save()
 194                 config.av.videomode[port].value = mode
 195                 config.av.videomode[port].save()
 196                 config.av.videorate[mode].value = rate
 197                 config.av.videorate[mode].save()
 198
 199         def isPortAvailable(self, port):
 200                 # fixme
 201                 return True
 202
 203         def isPortUsed(self, port):
 204                 if port == "DVI":
 205                         self.readPreferredModes()
 206                         return len(self.modes_preferred) != 0
 207                 else:
 208                         return True
 209
 210         def getPortList(self):
 211                 return [port for port in self.modes if self.isPortAvailable(port)]
 212
 213         # get a list with all modes, with all rates, for a given port.
 214         def getModeList(self, port):
 215                 print "getModeList for port", port
 216                 res = [ ]
 217                 for mode in self.modes[port]:
 218                         # list all rates which are completely valid
 219                         rates = [rate for rate in self.rates[mode] if self.isModeAvailable(port, mode, rate)]
 220
 221                         # if at least one rate is ok, add this mode
 222                         if len(rates):
 223                                 res.append( (mode, rates) )
 224                 return res
 225
 226         def createConfig(self, *args):
 227                 # create list of output ports
 228                 portlist = self.getPortList()
 229
 230                 # create list of available modes
 231                 config.av.videoport = ConfigSelection(choices = [(port, _(port)) for port in portlist])
 232                 config.av.videomode = ConfigSubDict()
 233                 config.av.videorate = ConfigSubDict()
 234
 235                 for port in portlist:
 236                         modes = self.getModeList(port)
 237                         if len(modes):
 238                                 config.av.videomode[port] = ConfigSelection(choices = [mode for (mode, rates) in modes])
 239                         for (mode, rates) in modes:
 240                                 config.av.videorate[mode] = ConfigSelection(choices = rates)
 241
 242         def setConfiguredMode(self):
 243                 port = config.av.videoport.value
 244                 if port not in config.av.videomode:
 245                         print "current port not available, not setting videomode"
 246                         return
 247
 248                 mode = config.av.videomode[port].value
 249
 250                 if mode not in config.av.videorate:
 251                         print "current mode not available, not setting videomode"
 252                         return
 253
 254                 rate = config.av.videorate[mode].value
 255                 self.setMode(port, mode, rate)
 256
 257         def updateAspect(self, cfgelement):
 258                 # determine aspect = {any,4:3,16:9,16:10}
 259                 # determine policy = {bestfit,letterbox,panscan,nonlinear}
 260
 261                 # based on;
 262                 #   config.av.videoport.value: current video output device
 263                 #     Scart:
 264                 #   config.av.aspect:
 265                 #     4_3:            use policy_169
 266                 #     16_9,16_10:     use policy_43
 267                 #     auto            always "bestfit"
 268                 #   config.av.policy_169
 269                 #     letterbox       use letterbox
 270                 #     panscan         use panscan
 271                 #     scale           use bestfit
 272                 #   config.av.policy_43
 273                 #     pillarbox       use panscan
 274                 #     panscan         use letterbox  ("panscan" is just a bad term, it's inverse-panscan)
 275                 #     nonlinear       use nonlinear
 276                 #     scale           use bestfit
 277
 278                 port = config.av.videoport.value
 279                 if port not in config.av.videomode:
 280                         print "current port not available, not setting videomode"
 281                         return
 282                 mode = config.av.videomode[port].value
 283
 284                 force_widescreen = self.isWidescreenMode(port, mode)
 285
 286                 is_widescreen = force_widescreen or config.av.aspect.value in ("16_9", "16_10")
 287                 is_auto = config.av.aspect.value == "auto"
 288                 policy2 = "policy" # use main policy
 289
 290                 if is_widescreen:
 291                         if force_widescreen:
 292                                 aspect = "16:9"
 293                         else:
 294                                 aspect = {"16_9": "16:9", "16_10": "16:10"}[config.av.aspect.value]
 295                         policy = {"pillarbox": "panscan", "panscan": "letterbox", "nonlinear": "nonlinear", "scale": "bestfit"}[config.av.policy_43.value]
 296                         policy2 = {"letterbox": "letterbox", "panscan": "panscan", "scale": "bestfit"}[config.av.policy_169.value]
 297                 elif is_auto:
 298                         aspect = "any"
 299                         policy = "bestfit"
 300                 else:
 301                         aspect = "4:3"
 302                         policy = {"letterbox": "letterbox", "panscan": "panscan", "scale": "bestfit"}[config.av.policy_169.value]
 303
 304                 if not config.av.wss.value:
 305                         wss = "auto(4:3_off)"
 306                 else:
 307                         wss = "auto"
 308
 309                 print "-> setting aspect, policy, policy2, wss", aspect, policy, policy2, wss
 310                 open("/proc/stb/video/aspect", "w").write(aspect)
 311                 open("/proc/stb/video/policy", "w").write(policy)
 312                 open("/proc/stb/denc/0/wss", "w").write(wss)
 313                 try:
 314                         open("/proc/stb/video/policy2", "w").write(policy2)
 315                 except IOError:
 316                         pass
 317
 318 config.av.edid_override = ConfigYesNo(default = False)
 319 video_hw = VideoHardware()
 320 video_hw.setConfiguredMode()