lib/python/Components/AVSwitch.py

   1 from config import config, ConfigSlider, ConfigSelection, ConfigYesNo, ConfigEnableDisable, ConfigSubsection, ConfigBoolean
   2 from enigma import eAVSwitch, getDesktop
   3 from SystemInfo import SystemInfo
   4
   5 class AVSwitch:
   6         INPUT = { "ENCODER": (0, 4), "SCART": (1, 3), "AUX": (2, 4) }
   7
   8         def setInput(self, input):
   9                 eAVSwitch.getInstance().setInput(self.INPUT[input][0])
  10                 if self.INPUT[input][1] == 4:
  11                         aspect = self.getAspectRatioSetting()
  12                         self.setAspectWSS(aspect)
  13                         self.setAspectSlowBlank(aspect)
  14                 else:
  15                         eAVSwitch.getInstance().setSlowblank(self.INPUT[input][1])
  16                 # FIXME why do we have to reset the colorformat? bug in avs-driver?
  17                 map = {"cvbs": 0, "rgb": 1, "svideo": 2, "yuv": 3}
  18                 eAVSwitch.getInstance().setColorFormat(map[config.av.colorformat.value])
  19
  20         def setColorFormat(self, value):
  21                 eAVSwitch.getInstance().setColorFormat(value)
  22
  23         def setAspectRatio(self, value):
  24                 eAVSwitch.getInstance().setAspectRatio(value)
  25                 self.setAspectWSS(value)
  26                 self.setAspectSlowBlank(value)
  27
  28         def setSystem(self, value):
  29                 eAVSwitch.getInstance().setVideomode(value)
  30
  31         def getOutputAspect(self):
  32                 if valstr in ("4_3_letterbox", "4_3_panscan"): # 4:3
  33                         return (4,3)
  34                 elif valstr == "16_9": # auto ... 4:3 or 16:9
  35                         try:
  36                                 aspect_str = open("/proc/stb/vmpeg/0/aspect", "r").read()
  37                                 if aspect_str == "1": # 4:3
  38                                         return (4,3)
  39                         except IOError:
  40                                 pass
  41                 elif valstr in ("16_9_always", "16_9_letterbox"): # 16:9
  42                         pass
  43                 elif valstr in ("16_10_letterbox", "16_10_panscan"): # 16:10
  44                         return (16,10)
  45                 return (16,9)
  46
  47         def getFramebufferScale(self):
  48                 aspect = self.getOutputAspect()
  49                 fb_size = getDesktop(0).size()
  50                 return (aspect[0] * fb_size.height(), aspect[1] * fb_size.width())
  51
  52         def getAspectRatioSetting(self):
  53                 valstr = config.av.aspectratio.value
  54                 if valstr == "4_3_letterbox":
  55                         val = 0
  56                 elif valstr == "4_3_panscan":
  57                         val = 1
  58                 elif valstr == "16_9":
  59                         val = 2
  60                 elif valstr == "16_9_always":
  61                         val = 3
  62                 elif valstr == "16_10_letterbox":
  63                         val = 4
  64                 elif valstr == "16_10_panscan":
  65                         val = 5
  66                 elif valstr == "16_9_letterbox":
  67                         val = 6
  68                 return val
  69
  70         def setAspectWSS(self, aspect=None):
  71                 if aspect is None:
  72                         aspect = self.getAspectRatioSetting()
  73                 if aspect == 0 or aspect == 1: # letterbox or panscan
  74                         if not config.av.wss.value:
  75                                 value = 0 # wss off
  76                         else:
  77                                 value = 3 # 4:3_full_format
  78                 elif aspect == 2: # 16:9
  79                         if not config.av.wss.value:
  80                                 value = 2 # auto(4:3_off)
  81                         else:
  82                                 value = 1 # auto
  83                 elif aspect == 3 or aspect == 6: # always 16:9
  84                         value = 4 # 16:9_full_format
  85                 elif aspect == 4 or aspect == 5: # 16:10
  86                         value = 10 # 14:9_full_format
  87                 eAVSwitch.getInstance().setWSS(value)
  88
  89         def setAspectSlowBlank(self, aspect=None):
  90                 if aspect is None:
  91                         aspect = self.getAspectRatioSetting()
  92                 if aspect == 0 or aspect == 1: # letterbox or panscan
  93                         value = 2 # 12 V
  94                 elif aspect == 2: # 16:9
  95                         value = 4 # auto
  96                 elif aspect == 3 or aspect == 4 or aspect == 5 or aspect == 6: # always 16:9
  97                         value = 1 # 6V
  98                 eAVSwitch.getInstance().setSlowblank(value)
  99
 100 def InitAVSwitch():
 101         config.av = ConfigSubsection()
 102         config.av.yuvenabled = ConfigBoolean(default=False)
 103         colorformat_choices = {"cvbs": _("CVBS"), "rgb": _("RGB"), "svideo": _("S-Video")}
 104
 105         # when YUV is not enabled, don't let the user select it
 106         if config.av.yuvenabled.value:
 107                 colorformat_choices["yuv"] = _("YPbPr")
 108
 109         config.av.colorformat = ConfigSelection(choices=colorformat_choices, default="rgb")
 110         config.av.aspectratio = ConfigSelection(choices={
 111                         "4_3_letterbox": _("4:3 Letterbox"),
 112                         "4_3_panscan": _("4:3 PanScan"),
 113                         "16_9": _("16:9"),
 114                         "16_9_always": _("16:9 always"),
 115                         "16_10_letterbox": _("16:10 Letterbox"),
 116                         "16_10_panscan": _("16:10 PanScan"),
 117                         "16_9_letterbox": _("16:9 Letterbox")},
 118                         default = "4_3_letterbox")
 119
 120         config.av.aspect = ConfigSelection(choices={
 121                         "4_3": _("4:3"),
 122                         "16_9": _("16:9"),
 123                         "16_10": _("16:10"),
 124                         "auto": _("Automatic")},
 125                         default = "auto")
 126         config.av.policy_169 = ConfigSelection(choices={
 127                                 # TRANSLATORS: (aspect ratio policy: black bars on top/bottom) in doubt, keep english term.
 128                         "letterbox": _("Letterbox"),
 129                                 # TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
 130                         "panscan": _("Pan&Scan"),
 131                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
 132                         "scale": _("Just Scale")},
 133                         default = "letterbox")
 134         config.av.policy_43 = ConfigSelection(choices={
 135                                 # TRANSLATORS: (aspect ratio policy: black bars on left/right) in doubt, keep english term.
 136                         "pillarbox": _("Pillarbox"),
 137                                 # TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
 138                         "panscan": _("Pan&Scan"),
 139                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, with stretching the left/right)
 140                         "nonlinear": _("Nonlinear"),
 141                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
 142                         "scale": _("Just Scale")},
 143                         default = "pillarbox")
 144         config.av.tvsystem = ConfigSelection(choices = {"pal": _("PAL"), "ntsc": _("NTSC"), "multinorm": _("multinorm")}, default="pal")
 145         config.av.wss = ConfigEnableDisable(default = True)
 146         config.av.defaultac3 = ConfigYesNo(default = False)
 147         config.av.vcrswitch = ConfigEnableDisable(default = False)
 148
 149         iAVSwitch = AVSwitch()
 150
 151         def setColorFormat(configElement):
 152                 map = {"cvbs": 0, "rgb": 1, "svideo": 2, "yuv": 3}
 153                 iAVSwitch.setColorFormat(map[configElement.value])
 154
 155         def setAspectRatio(configElement):
 156                 map = {"4_3_letterbox": 0, "4_3_panscan": 1, "16_9": 2, "16_9_always": 3, "16_10_letterbox": 4, "16_10_panscan": 5, "16_9_letterbox" : 6}
 157                 iAVSwitch.setAspectRatio(map[configElement.value])
 158
 159         def setSystem(configElement):
 160                 map = {"pal": 0, "ntsc": 1, "multinorm" : 2}
 161                 iAVSwitch.setSystem(map[configElement.value])
 162
 163         def setWSS(configElement):
 164                 iAVSwitch.setAspectWSS()
 165
 166         # this will call the "setup-val" initial
 167         config.av.colorformat.addNotifier(setColorFormat)
 168         config.av.aspectratio.addNotifier(setAspectRatio)
 169         config.av.tvsystem.addNotifier(setSystem)
 170         config.av.wss.addNotifier(setWSS)
 171
 172         iAVSwitch.setInput("ENCODER") # init on startup
 173         SystemInfo["ScartSwitch"] = eAVSwitch.getInstance().haveScartSwitch()
 174
 175         try:
 176                 can_downmix = open("/proc/stb/audio/ac3_choices", "r").read()[:-1].find("downmix") != -1
 177         except:
 178                 can_downmix = False
 179
 180         SystemInfo["CanDownmixAC3"] = can_downmix
 181         if can_downmix:
 182                 def setAC3Downmix(configElement):
 183                         open("/proc/stb/audio/ac3", "w").write(configElement.value and "downmix" or "passthrough")
 184                 config.av.downmix_ac3 = ConfigYesNo(default = True)
 185                 config.av.downmix_ac3.addNotifier(setAC3Downmix)
 186
 187         try:
 188                 can_osd_alpha = open("/proc/stb/video/alpha", "r") and True or False
 189         except:
 190                 can_osd_alpha = False
 191
 192         SystemInfo["CanChangeOsdAlpha"] = can_osd_alpha
 193
 194         def setAlpha(config):
 195                 open("/proc/stb/video/alpha", "w").write(str(config.value))
 196
 197         if can_osd_alpha:
 198                 config.av.osd_alpha = ConfigSlider(default=255, limits=(0,255))
 199                 config.av.osd_alpha.addNotifier(setAlpha)