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  1. #!/usr/bin/python3
  2. import gi, signal, logging, sys, os
  4. # import GStreamer and GLib-Helper classes
  5. gi.require_version('Gtk', '3.0')
  6. gi.require_version('Gst', '1.0')
  7. gi.require_version('GdkX11', '3.0')
  8. gi.require_version('GstVideo', '1.0')
  9. from gi.repository import Gtk, Gdk, Gst, GObject, GdkX11, GstVideo
  11. # check min-version
  12. minGst = (1, 5)
  13. minPy = (3, 0)
  15. Gst.init([])
  16. if Gst.version() < minGst:
  17. raise Exception("GStreamer version", Gst.version(), 'is too old, at least', minGst, 'is required')
  19. if sys.version_info < minPy:
  20. raise Exception("Python version", sys.version_info, 'is too old, at least', minPy, 'is required')
  23. # init GObject & Co. before importing local classes
  24. GObject.threads_init()
  25. Gdk.init([])
  26. Gtk.init([])
  28. # import local classes
  29. from lib.args import Args
  30. from lib.config import Config
  31. from lib.ui import Ui
  32. from lib.loghandler import LogHandler
  34. import lib.connection as Connection
  36. # main class
  37. class Voctogui(object):
  38. def __init__(self):
  39. self.log = logging.getLogger('Voctogui')
  41. # Uf a UI-File was specified on the Command-Line, load it
  42. if Args.ui_file:
  43. self.log.info('loading ui-file from file specified on command-line: %s', self.options.ui_file)
  44. self.ui = Ui(Args.ui_file)
  46. else:
  47. # Paths to look for the gst-switch UI-File
  48. paths = [
  49. os.path.join(os.path.dirname(os.path.realpath(__file__)), 'ui/voctogui.ui'),
  50. '/usr/lib/voctogui/ui/voctogui.ui'
  51. ]
  53. # Look for a gst-switch UI-File and load it
  54. for path in paths:
  55. self.log.debug('trying to load ui-file from file %s', path)
  57. if os.path.isfile(path):
  58. self.log.info('loading ui-file from file %s', path)
  59. self.ui = Ui(path)
  60. break
  62. if self.ui is None:
  63. raise Exception("Can't find any .ui-Files to use (searched %s)" % (', '.join(paths)))
  65. self.ui.setup()
  68. def run(self):
  69. self.log.info('setting UI visible')
  70. self.ui.show()
  72. try:
  73. self.log.info('running Gtk-MainLoop')
  74. Gtk.main()
  75. self.log.info('Gtk-MainLoop ended')
  76. except KeyboardInterrupt:
  77. self.log.info('Terminated via Ctrl-C')
  79. def quit(self):
  80. self.log.info('quitting Gtk-MainLoop')
  81. Gtk.main_quit()
  84. # run mainclass
  85. def main():
  86. # configure logging
  87. docolor = (Args.color == 'always') or (Args.color == 'auto' and sys.stderr.isatty())
  89. handler = LogHandler(docolor)
  90. logging.root.addHandler(handler)
  92. if Args.verbose >= 2:
  93. level = logging.DEBUG
  94. elif Args.verbose == 1:
  95. level = logging.INFO
  96. else:
  97. level = logging.WARNING
  99. logging.root.setLevel(level)
  101. # make killable by ctrl-c
  102. logging.debug('setting SIGINT handler')
  103. signal.signal(signal.SIGINT, signal.SIG_DFL)
  105. logging.info('Python Version: %s', sys.version_info)
  106. logging.info('GStreamer Version: %s', Gst.version())
  108. # establish a synchronus connection to server
  109. Connection.establish(
  110. Config.get('server', 'host'))
  112. # fetch config from server
  113. Config.fetchServerConfig()
  115. # switch connection to nonblocking, event-driven mode
  116. Connection.enterNonblockingMode()
  118. # init main-class and main-loop
  119. # (this binds all event-hander on the Connection)
  120. logging.debug('initializing Voctogui')
  121. voctogui = Voctogui()
  123. # start the Mainloop and show the Window
  124. logging.debug('running Voctogui')
  125. voctogui.run()
  127. if __name__ == '__main__':
  128. main()
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