lib/python/Components/AVSwitch.py

   1 from config import config, ConfigSlider, ConfigSelection, ConfigYesNo, \
   2         ConfigEnableDisable, ConfigSubsection, ConfigBoolean, ConfigNumber
   3 from enigma import eAVSwitch, getDesktop
   4 from SystemInfo import SystemInfo
   5
   6 class AVSwitch:
   7         def setInput(self, input):
   8                 INPUT = { "ENCODER": 0, "SCART": 1, "AUX": 2 }
   9                 eAVSwitch.getInstance().setInput(INPUT[input])
  10
  11         def setColorFormat(self, value):
  12                 eAVSwitch.getInstance().setColorFormat(value)
  13
  14         def setAspectRatio(self, value):
  15                 eAVSwitch.getInstance().setAspectRatio(value)
  16
  17         def setSystem(self, value):
  18                 eAVSwitch.getInstance().setVideomode(value)
  19
  20         def getOutputAspect(self):
  21                 valstr = config.av.aspectratio.value
  22                 if valstr in ("4_3_letterbox", "4_3_panscan"): # 4:3
  23                         return (4,3)
  24                 elif valstr == "16_9": # auto ... 4:3 or 16:9
  25                         try:
  26                                 aspect_str = open("/proc/stb/vmpeg/0/aspect", "r").read()
  27                                 if aspect_str == "1": # 4:3
  28                                         return (4,3)
  29                         except IOError:
  30                                 pass
  31                 elif valstr in ("16_9_always", "16_9_letterbox"): # 16:9
  32                         pass
  33                 elif valstr in ("16_10_letterbox", "16_10_panscan"): # 16:10
  34                         return (16,10)
  35                 return (16,9)
  36
  37         def getFramebufferScale(self):
  38                 aspect = self.getOutputAspect()
  39                 fb_size = getDesktop(0).size()
  40                 return (aspect[0] * fb_size.height(), aspect[1] * fb_size.width())
  41
  42         def getAspectRatioSetting(self):
  43                 valstr = config.av.aspectratio.value
  44                 if valstr == "4_3_letterbox":
  45                         val = 0
  46                 elif valstr == "4_3_panscan":
  47                         val = 1
  48                 elif valstr == "16_9":
  49                         val = 2
  50                 elif valstr == "16_9_always":
  51                         val = 3
  52                 elif valstr == "16_10_letterbox":
  53                         val = 4
  54                 elif valstr == "16_10_panscan":
  55                         val = 5
  56                 elif valstr == "16_9_letterbox":
  57                         val = 6
  58                 return val
  59
  60         def setAspectWSS(self, aspect=None):
  61                 if not config.av.wss.value:
  62                         value = 2 # auto(4:3_off)
  63                 else:
  64                         value = 1 # auto
  65                 eAVSwitch.getInstance().setWSS(value)
  66
  67 def InitAVSwitch():
  68         config.av = ConfigSubsection()
  69         config.av.yuvenabled = ConfigBoolean(default=False)
  70         colorformat_choices = {"cvbs": _("CVBS"), "rgb": _("RGB"), "svideo": _("S-Video")}
  71
  72         # when YUV is not enabled, don't let the user select it
  73         if config.av.yuvenabled.value:
  74                 colorformat_choices["yuv"] = _("YPbPr")
  75
  76         config.av.colorformat = ConfigSelection(choices=colorformat_choices, default="rgb")
  77         config.av.aspectratio = ConfigSelection(choices={
  78                         "4_3_letterbox": _("4:3 Letterbox"),
  79                         "4_3_panscan": _("4:3 PanScan"),
  80                         "16_9": _("16:9"),
  81                         "16_9_always": _("16:9 always"),
  82                         "16_10_letterbox": _("16:10 Letterbox"),
  83                         "16_10_panscan": _("16:10 PanScan"),
  84                         "16_9_letterbox": _("16:9 Letterbox")},
  85                         default = "4_3_letterbox")
  86
  87         config.av.aspect = ConfigSelection(choices={
  88                         "4_3": _("4:3"),
  89                         "16_9": _("16:9"),
  90                         "16_10": _("16:10"),
  91                         "auto": _("Automatic")},
  92                         default = "auto")
  93         config.av.policy_169 = ConfigSelection(choices={
  94                                 # TRANSLATORS: (aspect ratio policy: black bars on top/bottom) in doubt, keep english term.
  95                         "letterbox": _("Letterbox"),
  96                                 # TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
  97                         "panscan": _("Pan&Scan"),
  98                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
  99                         "scale": _("Just Scale")},
 100                         default = "letterbox")
 101         config.av.policy_43 = ConfigSelection(choices={
 102                                 # TRANSLATORS: (aspect ratio policy: black bars on left/right) in doubt, keep english term.
 103                         "pillarbox": _("Pillarbox"),
 104                                 # TRANSLATORS: (aspect ratio policy: cropped content on left/right) in doubt, keep english term
 105                         "panscan": _("Pan&Scan"),
 106                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, with stretching the left/right)
 107                         "nonlinear": _("Nonlinear"),
 108                                 # TRANSLATORS: (aspect ratio policy: display as fullscreen, even if this breaks the aspect)
 109                         "scale": _("Just Scale")},
 110                         default = "pillarbox")
 111         config.av.tvsystem = ConfigSelection(choices = {"pal": _("PAL"), "ntsc": _("NTSC"), "multinorm": _("multinorm")}, default="pal")
 112         config.av.wss = ConfigEnableDisable(default = True)
 113         config.av.defaultac3 = ConfigYesNo(default = False)
 114         config.av.generalAC3delay = ConfigNumber(default = 0)
 115         config.av.generalPCMdelay = ConfigNumber(default = 0)
 116         config.av.vcrswitch = ConfigEnableDisable(default = False)
 117
 118         iAVSwitch = AVSwitch()
 119
 120         def setColorFormat(configElement):
 121                 map = {"cvbs": 0, "rgb": 1, "svideo": 2, "yuv": 3}
 122                 iAVSwitch.setColorFormat(map[configElement.value])
 123
 124         def setAspectRatio(configElement):
 125                 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}
 126                 iAVSwitch.setAspectRatio(map[configElement.value])
 127
 128         def setSystem(configElement):
 129                 map = {"pal": 0, "ntsc": 1, "multinorm" : 2}
 130                 iAVSwitch.setSystem(map[configElement.value])
 131
 132         def setWSS(configElement):
 133                 iAVSwitch.setAspectWSS()
 134
 135         # this will call the "setup-val" initial
 136         config.av.colorformat.addNotifier(setColorFormat)
 137         config.av.aspectratio.addNotifier(setAspectRatio)
 138         config.av.tvsystem.addNotifier(setSystem)
 139         config.av.wss.addNotifier(setWSS)
 140
 141         iAVSwitch.setInput("ENCODER") # init on startup
 142         SystemInfo["ScartSwitch"] = eAVSwitch.getInstance().haveScartSwitch()
 143
 144         try:
 145                 can_downmix = open("/proc/stb/audio/ac3_choices", "r").read()[:-1].find("downmix") != -1
 146         except:
 147                 can_downmix = False
 148
 149         SystemInfo["CanDownmixAC3"] = can_downmix
 150         if can_downmix:
 151                 def setAC3Downmix(configElement):
 152                         open("/proc/stb/audio/ac3", "w").write(configElement.value and "downmix" or "passthrough")
 153                 config.av.downmix_ac3 = ConfigYesNo(default = True)
 154                 config.av.downmix_ac3.addNotifier(setAC3Downmix)
 155
 156         try:
 157                 can_osd_alpha = open("/proc/stb/video/alpha", "r") and True or False
 158         except:
 159                 can_osd_alpha = False
 160
 161         SystemInfo["CanChangeOsdAlpha"] = can_osd_alpha
 162
 163         def setAlpha(config):
 164                 open("/proc/stb/video/alpha", "w").write(str(config.value))
 165
 166         if can_osd_alpha:
 167                 config.av.osd_alpha = ConfigSlider(default=255, limits=(0,255))
 168                 config.av.osd_alpha.addNotifier(setAlpha)