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 1.333333333
  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 1.333333333
  39                         except IOError:
  40                                 pass
  41                         return 1.777777778
  42                 elif valstr in ("16_9_always", "16_9_letterbox"): # 16:9
  43                         return 1.777777778
  44                 elif valstr in ("16_10_letterbox", "16_10_panscan"): # 16:10
  45                         return 1.6
  46                 print "unknown output aspect!"
  47                 return 1.0000
  48
  49         def getFramebufferScale(self):
  50                 aspect = self.getOutputAspect()
  51                 fb_size = getDesktop(0).size()
  52                 return aspect / ((1.0 * fb_size.width()) / fb_size.height())
  53
  54         def getAspectRatioSetting(self):
  55                 valstr = config.av.aspectratio.value
  56                 if valstr == "4_3_letterbox":
  57                         val = 0
  58                 elif valstr == "4_3_panscan":
  59                         val = 1
  60                 elif valstr == "16_9":
  61                         val = 2
  62                 elif valstr == "16_9_always":
  63                         val = 3
  64                 elif valstr == "16_10_letterbox":
  65                         val = 4
  66                 elif valstr == "16_10_panscan":
  67                         val = 5
  68                 elif valstr == "16_9_letterbox":
  69                         val = 6
  70                 return val
  71
  72         def setAspectWSS(self, aspect=None):
  73                 if aspect is None:
  74                         aspect = self.getAspectRatioSetting()
  75                 if aspect == 0 or aspect == 1: # letterbox or panscan
  76                         if not config.av.wss.value:
  77                                 value = 0 # wss off
  78                         else:
  79                                 value = 3 # 4:3_full_format
  80                 elif aspect == 2: # 16:9
  81                         if not config.av.wss.value:
  82                                 value = 2 # auto(4:3_off)
  83                         else:
  84                                 value = 1 # auto
  85                 elif aspect == 3 or aspect == 6: # always 16:9
  86                         value = 4 # 16:9_full_format
  87                 elif aspect == 4 or aspect == 5: # 16:10
  88                         value = 10 # 14:9_full_format
  89                 eAVSwitch.getInstance().setWSS(value)
  90
  91         def setAspectSlowBlank(self, aspect=None):
  92                 if aspect is None:
  93                         aspect = self.getAspectRatioSetting()
  94                 if aspect == 0 or aspect == 1: # letterbox or panscan
  95                         value = 2 # 12 V
  96                 elif aspect == 2: # 16:9
  97                         value = 4 # auto
  98                 elif aspect == 3 or aspect == 4 or aspect == 5 or aspect == 6: # always 16:9
  99                         value = 1 # 6V
 100                 eAVSwitch.getInstance().setSlowblank(value)
 101
 102 def InitAVSwitch():
 103         config.av = ConfigSubsection()
 104         config.av.yuvenabled = ConfigBoolean(default=False)
 105         colorformat_choices = {"cvbs": _("CVBS"), "rgb": _("RGB"), "svideo": _("S-Video")}
 106
 107         # when YUV is not enabled, don't let the user select it
 108         if config.av.yuvenabled.value:
 109                 colorformat_choices["yuv"] = _("YPbPr")
 110
 111         config.av.colorformat = ConfigSelection(choices=colorformat_choices, default="rgb")
 112         config.av.aspectratio = ConfigSelection(choices={
 113                         "4_3_letterbox": _("4:3 Letterbox"),
 114                         "4_3_panscan": _("4:3 PanScan"),
 115                         "16_9": _("16:9"),
 116                         "16_9_always": _("16:9 always"),
 117                         "16_10_letterbox": _("16:10 Letterbox"),
 118                         "16_10_panscan": _("16:10 PanScan"),
 119                         "16_9_letterbox": _("16:9 Letterbox")},
 120                         default = "4_3_letterbox")
 121
 122         config.av.aspect = ConfigSelection(choices={
 123                         "4_3": _("4:3"),
 124                         "16_9": _("16:9"),
 125                         "16_10": _("16:10"),
 126                         "auto": _("Automatic")},
 127                         default = "auto")
 128         config.av.policy_169 = ConfigSelection(choices={
 129                                 # TRANSLATORS: (aspect ratio policy: black bars on top/bottom) in doubt, keep english term.
 130                         "letterbox": _("Letterbox"),
 131                                 # TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
 132                         "panscan": _("Pan&Scan"),
 133                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
 134                         "scale": _("Just Scale")},
 135                         default = "letterbox")
 136         config.av.policy_43 = ConfigSelection(choices={
 137                                 # TRANSLATORS: (aspect ratio policy: black bars on left/right) in doubt, keep english term.
 138                         "pillarbox": _("Pillarbox"),
 139                                 # TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
 140                         "panscan": _("Pan&Scan"),
 141                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, with stretching the left/right)
 142                         "nonlinear": _("Nonlinear"),
 143                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
 144                         "scale": _("Just Scale")},
 145                         default = "pillarbox")
 146         config.av.tvsystem = ConfigSelection(choices = {"pal": _("PAL"), "ntsc": _("NTSC"), "multinorm": _("multinorm")}, default="pal")
 147         config.av.wss = ConfigEnableDisable(default = True)
 148         config.av.defaultac3 = ConfigYesNo(default = False)
 149         config.av.vcrswitch = ConfigEnableDisable(default = False)
 150
 151         iAVSwitch = AVSwitch()
 152
 153         def setColorFormat(configElement):
 154                 map = {"cvbs": 0, "rgb": 1, "svideo": 2, "yuv": 3}
 155                 iAVSwitch.setColorFormat(map[configElement.value])
 156
 157         def setAspectRatio(configElement):
 158                 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}
 159                 iAVSwitch.setAspectRatio(map[configElement.value])
 160
 161         def setSystem(configElement):
 162                 map = {"pal": 0, "ntsc": 1, "multinorm" : 2}
 163                 iAVSwitch.setSystem(map[configElement.value])
 164
 165         def setWSS(configElement):
 166                 iAVSwitch.setAspectWSS()
 167
 168         # this will call the "setup-val" initial
 169         config.av.colorformat.addNotifier(setColorFormat)
 170         config.av.aspectratio.addNotifier(setAspectRatio)
 171         config.av.tvsystem.addNotifier(setSystem)
 172         config.av.wss.addNotifier(setWSS)
 173
 174         iAVSwitch.setInput("ENCODER") # init on startup
 175         SystemInfo["ScartSwitch"] = eAVSwitch.getInstance().haveScartSwitch()
 176
 177         try:
 178                 can_downmix = open("/proc/stb/audio/ac3_choices", "r").read()[:-1].find("downmix") != -1
 179         except:
 180                 can_downmix = False
 181
 182         SystemInfo["CanDownmixAC3"] = can_downmix
 183         if can_downmix:
 184                 def setAC3Downmix(configElement):
 185                         open("/proc/stb/audio/ac3", "w").write(configElement.value and "downmix" or "passthrough")
 186                 config.av.downmix_ac3 = ConfigYesNo(default = True)
 187                 config.av.downmix_ac3.addNotifier(setAC3Downmix)
 188
 189         try:
 190                 can_osd_alpha = open("/proc/stb/video/alpha", "r") and True or False
 191         except:
 192                 can_osd_alpha = False
 193
 194         SystemInfo["CanChangeOsdAlpha"] = can_osd_alpha
 195
 196         def setAlpha(config):
 197                 open("/proc/stb/video/alpha", "w").write(str(config.value))
 198
 199         if can_osd_alpha:
 200                 config.av.osd_alpha = ConfigSlider(default=255, limits=(0,255))
 201                 config.av.osd_alpha.addNotifier(setAlpha)