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 __init__(self):
  63                 self.last_modes_preferred =  [ ]
  64                 self.on_hotplug = CList()
  65                 self.standby = False
  66                 self.current_mode = None
  67                 self.current_port = None
  68
  69                 self.readAvailableModes()
  70
  71                 self.createConfig()
  72 #               self.on_hotplug.append(self.createConfig)
  73
  74                 self.readPreferredModes()
  75
  76                 # take over old AVSwitch component :)
  77                 from Components.AVSwitch import AVSwitch
  78 #               config.av.colorformat.notifiers = [ ]
  79                 config.av.aspectratio.notifiers = [ ]
  80                 config.av.tvsystem.notifiers = [ ]
  81                 config.av.wss.notifiers = [ ]
  82                 AVSwitch.setInput = self.AVSwitchSetInput
  83
  84                 config.av.aspect.addNotifier(self.updateAspect)
  85                 config.av.wss.addNotifier(self.updateAspect)
  86                 config.av.policy_169.addNotifier(self.updateAspect)
  87                 config.av.policy_43.addNotifier(self.updateAspect)
  88
  89                 # until we have the hotplug poll socket
  90 #               self.timer = eTimer()
  91 #               self.timer.callback.append(self.readPreferredModes)
  92 #               self.timer.start(1000)
  93
  94                 config.av.colorformat.addNotifier(self.updateFastblank)
  95
  96         def AVSwitchSetInput(self, mode):
  97                 self.standby = mode == "SCART"
  98                 self.updateStandby()
  99
 100         def readAvailableModes(self):
 101                 try:
 102                         modes = open("/proc/stb/video/videomode_choices").read()[:-1]
 103                 except IOError:
 104                         print "couldn't read available videomodes."
 105                         self.modes_available = [ ]
 106                         return
 107                 self.modes_available = modes.split(' ')
 108
 109         def readPreferredModes(self):
 110                 try:
 111                         modes = open("/proc/stb/video/videomode_preferred").read()[:-1]
 112                         self.modes_preferred = modes.split(' ')
 113                 except IOError:
 114                         print "reading preferred modes failed, using all modes"
 115                         self.modes_preferred = self.modes_available
 116
 117                 if self.modes_preferred != self.last_modes_preferred:
 118                         self.last_modes_preferred = self.modes_preferred
 119                         print "hotplug on dvi"
 120                         self.on_hotplug("DVI") # must be DVI
 121
 122         # check if a high-level mode with a given rate is available.
 123         def isModeAvailable(self, port, mode, rate):
 124                 rate = self.rates[mode][rate]
 125                 for mode in rate.values():
 126                         # DVI modes must be in "modes_preferred"
 127 #                       if port == "DVI":
 128 #                               if mode not in self.modes_preferred and not config.av.edid_override.value:
 129 #                                       print "no, not preferred"
 130 #                                       return False
 131                         if mode not in self.modes_available:
 132                                 return False
 133                 return True
 134
 135         def isWidescreenMode(self, port, mode):
 136                 return mode in self.widescreen_modes
 137
 138         def setMode(self, port, mode, rate, force = None):
 139                 print "setMode - port:", port, "mode:", mode, "rate:", rate
 140                 # we can ignore "port"
 141                 self.current_mode = mode
 142                 self.current_port = port
 143                 modes = self.rates[mode][rate]
 144
 145                 mode_50 = modes.get(50)
 146                 mode_60 = modes.get(60)
 147                 if mode_50 is None or force == 60:
 148                         mode_50 = mode_60
 149                 if mode_60 is None or force == 50:
 150                         mode_60 = mode_50
 151
 152                 try:
 153                         open("/proc/stb/video/videomode_50hz", "w").write(mode_50)
 154                         open("/proc/stb/video/videomode_60hz", "w").write(mode_60)
 155                 except IOError:
 156                         try:
 157                                 # fallback if no possibility to setup 50/60 hz mode
 158                                 open("/proc/stb/video/videomode", "w").write(mode_50)
 159                         except IOError:
 160                                 print "setting videomode failed."
 161
 162                 try:
 163                         open("/etc/videomode", "w").write(mode_50) # use 50Hz mode (if available) for booting
 164                 except IOError:
 165                         print "writing initial videomode to /etc/videomode failed."
 166
 167                 self.updateAspect(None)
 168
 169         def saveMode(self, port, mode, rate):
 170                 config.av.videoport.value = port
 171                 config.av.videoport.save()
 172                 config.av.videomode[port].value = mode
 173                 config.av.videomode[port].save()
 174                 config.av.videorate[mode].value = rate
 175                 config.av.videorate[mode].save()
 176
 177         def isPortAvailable(self, port):
 178                 # fixme
 179                 return True
 180
 181         def isPortUsed(self, port):
 182                 if port == "DVI":
 183                         self.readPreferredModes()
 184                         return len(self.modes_preferred) != 0
 185                 else:
 186                         return True
 187
 188         def getPortList(self):
 189                 return [port for port in self.modes if self.isPortAvailable(port)]
 190
 191         # get a list with all modes, with all rates, for a given port.
 192         def getModeList(self, port):
 193                 print "getModeList for port", port
 194                 res = [ ]
 195                 for mode in self.modes[port]:
 196                         # list all rates which are completely valid
 197                         rates = [rate for rate in self.rates[mode] if self.isModeAvailable(port, mode, rate)]
 198
 199                         # if at least one rate is ok, add this mode
 200                         if len(rates):
 201                                 res.append( (mode, rates) )
 202                 return res
 203
 204         def createConfig(self, *args):
 205                 # create list of output ports
 206                 portlist = self.getPortList()
 207
 208                 # create list of available modes
 209                 config.av.videoport = ConfigSelection(choices = [(port, _(port)) for port in portlist])
 210                 config.av.videomode = ConfigSubDict()
 211                 config.av.videorate = ConfigSubDict()
 212
 213                 for port in portlist:
 214                         modes = self.getModeList(port)
 215                         if len(modes):
 216                                 config.av.videomode[port] = ConfigSelection(choices = [mode for (mode, rates) in modes])
 217                         for (mode, rates) in modes:
 218                                 config.av.videorate[mode] = ConfigSelection(choices = rates)
 219
 220         def setConfiguredMode(self):
 221                 port = config.av.videoport.value
 222                 if port not in config.av.videomode:
 223                         print "current port not available, not setting videomode"
 224                         return
 225
 226                 mode = config.av.videomode[port].value
 227
 228                 if mode not in config.av.videorate:
 229                         print "current mode not available, not setting videomode"
 230                         return
 231
 232                 rate = config.av.videorate[mode].value
 233                 self.setMode(port, mode, rate)
 234
 235         def updateAspect(self, cfgelement):
 236                 # determine aspect = {any,4:3,16:9,16:10}
 237                 # determine policy = {bestfit,letterbox,panscan,nonlinear}
 238
 239                 # based on;
 240                 #   config.av.videoport.value: current video output device
 241                 #     Scart:
 242                 #   config.av.aspect:
 243                 #     4_3:            use policy_169
 244                 #     16_9,16_10:     use policy_43
 245                 #     auto            always "bestfit"
 246                 #   config.av.policy_169
 247                 #     letterbox       use letterbox
 248                 #     panscan         use panscan
 249                 #     scale           use bestfit
 250                 #   config.av.policy_43
 251                 #     pillarbox       use panscan
 252                 #     panscan         use letterbox  ("panscan" is just a bad term, it's inverse-panscan)
 253                 #     nonlinear       use nonlinear
 254                 #     scale           use bestfit
 255
 256                 port = config.av.videoport.value
 257                 if port not in config.av.videomode:
 258                         print "current port not available, not setting videomode"
 259                         return
 260                 mode = config.av.videomode[port].value
 261
 262                 force_widescreen = self.isWidescreenMode(port, mode)
 263
 264                 is_widescreen = force_widescreen or config.av.aspect.value in ["16_9", "16_10"]
 265                 is_auto = config.av.aspect.value == "auto"
 266
 267                 if is_widescreen:
 268                         if force_widescreen:
 269                                 aspect = "16:9"
 270                         else:
 271                                 aspect = {"16_9": "16:9", "16_10": "16:10"}[config.av.aspect.value]
 272                         policy = {"pillarbox": "panscan", "panscan": "letterbox", "nonlinear": "nonlinear", "scale": "bestfit"}[config.av.policy_43.value]
 273                 elif is_auto:
 274                         aspect = "any"
 275                         policy = "bestfit"
 276                 else:
 277                         aspect = "4:3"
 278                         policy = {"letterbox": "letterbox", "panscan": "panscan", "scale": "bestfit"}[config.av.policy_169.value]
 279
 280                 if not config.av.wss.value:
 281                         wss = "auto(4:3_off)"
 282                 else:
 283                         wss = "auto"
 284
 285                 print "-> setting aspect, policy, wss", aspect, policy, wss
 286                 open("/proc/stb/video/aspect", "w").write(aspect)
 287                 open("/proc/stb/video/policy", "w").write(policy)
 288                 open("/proc/stb/denc/0/wss", "w").write(wss)
 289                 self.updateSlowblank()
 290                 self.updateFastblank()
 291
 292         def updateSlowblank(self):
 293                 if self.standby:
 294                         from Components.SystemInfo import SystemInfo
 295                         if SystemInfo["ScartSwitch"]:
 296                                 input = "scart"
 297                                 sb = "vcr"
 298                         else:
 299                                 input = "off"
 300                                 sb = "0"
 301                 else:
 302                         input = "encoder"
 303                         sb = "auto"
 304
 305                 open("/proc/stb/avs/0/sb", "w").write(sb)
 306                 open("/proc/stb/avs/0/input", "w").write(input)
 307
 308         def updateStandby(self):
 309                 self.updateSlowblank()
 310                 self.updateFastblank()
 311
 312         def updateFastblank(self, *args):
 313                 if self.standby:
 314                         from Components.SystemInfo import SystemInfo
 315                         if SystemInfo["ScartSwitch"]:
 316                                 fb = "vcr"
 317                         else:
 318                                 fb = "low"
 319                 else:
 320                         if self.current_port == "Scart" and config.av.colorformat.value == "rgb":
 321                                 fb = "high"
 322                         else:
 323                                 fb = "low"
 324                 open("/proc/stb/avs/0/fb", "w").write(fb)
 325
 326 config.av.edid_override = ConfigYesNo(default = False)
 327 video_hw = VideoHardware()
 328 video_hw.setConfiguredMode()