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                 if self.modes.has_key("DVI-PC") and not self.getModeList("DVI-PC"):
  99                         print "remove DVI-PC because of not existing modes"
 100                         del self.modes["DVI-PC"]
 101
 102                 self.createConfig()
 103 #               self.on_hotplug.append(self.createConfig)
 104
 105                 self.readPreferredModes()
 106
 107                 # take over old AVSwitch component :)
 108                 from Components.AVSwitch import AVSwitch
 109 #               config.av.colorformat.notifiers = [ ]
 110                 config.av.aspectratio.notifiers = [ ]
 111                 config.av.tvsystem.notifiers = [ ]
 112                 config.av.wss.notifiers = [ ]
 113                 AVSwitch.getOutputAspect = self.getOutputAspect
 114
 115                 config.av.aspect.addNotifier(self.updateAspect)
 116                 config.av.wss.addNotifier(self.updateAspect)
 117                 config.av.policy_169.addNotifier(self.updateAspect)
 118                 config.av.policy_43.addNotifier(self.updateAspect)
 119
 120                 # until we have the hotplug poll socket
 121 #               self.timer = eTimer()
 122 #               self.timer.callback.append(self.readPreferredModes)
 123 #               self.timer.start(1000)
 124
 125         def readAvailableModes(self):
 126                 try:
 127                         modes = open("/proc/stb/video/videomode_choices").read()[:-1]
 128                 except IOError:
 129                         print "couldn't read available videomodes."
 130                         self.modes_available = [ ]
 131                         return
 132                 self.modes_available = modes.split(' ')
 133
 134         def readPreferredModes(self):
 135                 try:
 136                         modes = open("/proc/stb/video/videomode_preferred").read()[:-1]
 137                         self.modes_preferred = modes.split(' ')
 138                 except IOError:
 139                         print "reading preferred modes failed, using all modes"
 140                         self.modes_preferred = self.modes_available
 141
 142                 if self.modes_preferred != self.last_modes_preferred:
 143                         self.last_modes_preferred = self.modes_preferred
 144                         print "hotplug on dvi"
 145                         self.on_hotplug("DVI") # must be DVI
 146
 147         # check if a high-level mode with a given rate is available.
 148         def isModeAvailable(self, port, mode, rate):
 149                 rate = self.rates[mode][rate]
 150                 for mode in rate.values():
 151                         # DVI modes must be in "modes_preferred"
 152 #                       if port == "DVI":
 153 #                               if mode not in self.modes_preferred and not config.av.edid_override.value:
 154 #                                       print "no, not preferred"
 155 #                                       return False
 156                         if mode not in self.modes_available:
 157                                 return False
 158                 return True
 159
 160         def isWidescreenMode(self, port, mode):
 161                 return mode in self.widescreen_modes
 162
 163         def setMode(self, port, mode, rate, force = None):
 164                 print "setMode - port:", port, "mode:", mode, "rate:", rate
 165                 # we can ignore "port"
 166                 self.current_mode = mode
 167                 self.current_port = port
 168                 modes = self.rates[mode][rate]
 169
 170                 mode_50 = modes.get(50)
 171                 mode_60 = modes.get(60)
 172                 if mode_50 is None or force == 60:
 173                         mode_50 = mode_60
 174                 if mode_60 is None or force == 50:
 175                         mode_60 = mode_50
 176
 177                 try:
 178                         open("/proc/stb/video/videomode_50hz", "w").write(mode_50)
 179                         open("/proc/stb/video/videomode_60hz", "w").write(mode_60)
 180                 except IOError:
 181                         try:
 182                                 # fallback if no possibility to setup 50/60 hz mode
 183                                 open("/proc/stb/video/videomode", "w").write(mode_50)
 184                         except IOError:
 185                                 print "setting videomode failed."
 186
 187                 try:
 188                         open("/etc/videomode", "w").write(mode_50) # use 50Hz mode (if available) for booting
 189                 except IOError:
 190                         print "writing initial videomode to /etc/videomode failed."
 191
 192                 self.updateAspect(None)
 193
 194         def saveMode(self, port, mode, rate):
 195                 print "saveMode", port, mode, rate
 196                 config.av.videoport.value = port
 197                 config.av.videoport.save()
 198                 config.av.videomode[port].value = mode
 199                 config.av.videomode[port].save()
 200                 config.av.videorate[mode].value = rate
 201                 config.av.videorate[mode].save()
 202
 203         def isPortAvailable(self, port):
 204                 # fixme
 205                 return True
 206
 207         def isPortUsed(self, port):
 208                 if port == "DVI":
 209                         self.readPreferredModes()
 210                         return len(self.modes_preferred) != 0
 211                 else:
 212                         return True
 213
 214         def getPortList(self):
 215                 return [port for port in self.modes if self.isPortAvailable(port)]
 216
 217         # get a list with all modes, with all rates, for a given port.
 218         def getModeList(self, port):
 219                 print "getModeList for port", port
 220                 res = [ ]
 221                 for mode in self.modes[port]:
 222                         # list all rates which are completely valid
 223                         rates = [rate for rate in self.rates[mode] if self.isModeAvailable(port, mode, rate)]
 224
 225                         # if at least one rate is ok, add this mode
 226                         if len(rates):
 227                                 res.append( (mode, rates) )
 228                 return res
 229
 230         def createConfig(self, *args):
 231                 # create list of output ports
 232                 portlist = self.getPortList()
 233
 234                 # create list of available modes
 235                 config.av.videoport = ConfigSelection(choices = [(port, _(port)) for port in portlist])
 236                 config.av.videomode = ConfigSubDict()
 237                 config.av.videorate = ConfigSubDict()
 238
 239                 for port in portlist:
 240                         modes = self.getModeList(port)
 241                         if len(modes):
 242                                 config.av.videomode[port] = ConfigSelection(choices = [mode for (mode, rates) in modes])
 243                         for (mode, rates) in modes:
 244                                 config.av.videorate[mode] = ConfigSelection(choices = rates)
 245
 246         def setConfiguredMode(self):
 247                 port = config.av.videoport.value
 248                 if port not in config.av.videomode:
 249                         print "current port not available, not setting videomode"
 250                         return
 251
 252                 mode = config.av.videomode[port].value
 253
 254                 if mode not in config.av.videorate:
 255                         print "current mode not available, not setting videomode"
 256                         return
 257
 258                 rate = config.av.videorate[mode].value
 259                 self.setMode(port, mode, rate)
 260
 261         def updateAspect(self, cfgelement):
 262                 # determine aspect = {any,4:3,16:9,16:10}
 263                 # determine policy = {bestfit,letterbox,panscan,nonlinear}
 264
 265                 # based on;
 266                 #   config.av.videoport.value: current video output device
 267                 #     Scart:
 268                 #   config.av.aspect:
 269                 #     4_3:            use policy_169
 270                 #     16_9,16_10:     use policy_43
 271                 #     auto            always "bestfit"
 272                 #   config.av.policy_169
 273                 #     letterbox       use letterbox
 274                 #     panscan         use panscan
 275                 #     scale           use bestfit
 276                 #   config.av.policy_43
 277                 #     pillarbox       use panscan
 278                 #     panscan         use letterbox  ("panscan" is just a bad term, it's inverse-panscan)
 279                 #     nonlinear       use nonlinear
 280                 #     scale           use bestfit
 281
 282                 port = config.av.videoport.value
 283                 if port not in config.av.videomode:
 284                         print "current port not available, not setting videomode"
 285                         return
 286                 mode = config.av.videomode[port].value
 287
 288                 force_widescreen = self.isWidescreenMode(port, mode)
 289
 290                 is_widescreen = force_widescreen or config.av.aspect.value in ("16_9", "16_10")
 291                 is_auto = config.av.aspect.value == "auto"
 292                 policy2 = "policy" # use main policy
 293
 294                 if is_widescreen:
 295                         if force_widescreen:
 296                                 aspect = "16:9"
 297                         else:
 298                                 aspect = {"16_9": "16:9", "16_10": "16:10"}[config.av.aspect.value]
 299                         policy = {"pillarbox": "panscan", "panscan": "letterbox", "nonlinear": "nonlinear", "scale": "bestfit"}[config.av.policy_43.value]
 300                         policy2 = {"letterbox": "letterbox", "panscan": "panscan", "scale": "bestfit"}[config.av.policy_169.value]
 301                 elif is_auto:
 302                         aspect = "any"
 303                         policy = "bestfit"
 304                 else:
 305                         aspect = "4:3"
 306                         policy = {"letterbox": "letterbox", "panscan": "panscan", "scale": "bestfit"}[config.av.policy_169.value]
 307
 308                 if not config.av.wss.value:
 309                         wss = "auto(4:3_off)"
 310                 else:
 311                         wss = "auto"
 312
 313                 print "-> setting aspect, policy, policy2, wss", aspect, policy, policy2, wss
 314                 open("/proc/stb/video/aspect", "w").write(aspect)
 315                 open("/proc/stb/video/policy", "w").write(policy)
 316                 open("/proc/stb/denc/0/wss", "w").write(wss)
 317                 try:
 318                         open("/proc/stb/video/policy2", "w").write(policy2)
 319                 except IOError:
 320                         pass
 321
 322 config.av.edid_override = ConfigYesNo(default = False)
 323 video_hw = VideoHardware()
 324 video_hw.setConfiguredMode()