git.sesse.net Git - vlc/blob - bindings/python-ctypes/footer.py

   1 ### Start of footer.py ###
   2
   3 class MediaEvent(ctypes.Structure):
   4     _fields_ = [
   5         ('media_name', ctypes.c_char_p),
   6         ('instance_name', ctypes.c_char_p),
   7         ]
   8
   9 class EventUnion(ctypes.Union):
  10     _fields_ = [
  11         ('meta_type', ctypes.c_uint),
  12         ('new_child', ctypes.c_uint),
  13         ('new_duration', ctypes.c_longlong),
  14         ('new_status', ctypes.c_int),
  15         ('media', ctypes.c_void_p),
  16         ('new_state', ctypes.c_uint),
  17         # Media instance
  18         ('new_position', ctypes.c_float),
  19         ('new_time', ctypes.c_longlong),
  20         ('new_title', ctypes.c_int),
  21         ('new_seekable', ctypes.c_longlong),
  22         ('new_pausable', ctypes.c_longlong),
  23         # FIXME: Skipped MediaList and MediaListView...
  24         ('filename', ctypes.c_char_p),
  25         ('new_length', ctypes.c_longlong),
  26         ('media_event', MediaEvent),
  27         ]
  28
  29 class Event(ctypes.Structure):
  30     _fields_ = [
  31         ('type', EventType),
  32         ('object', ctypes.c_void_p),
  33         ('u', EventUnion),
  34         ]
  35
  36 # Decorator for callback methods
  37 callbackmethod=ctypes.CFUNCTYPE(None, Event, ctypes.c_void_p)
  38
  39 # Example callback method
  40 @callbackmethod
  41 def debug_callback(event, data):
  42     print "Debug callback method"
  43     print "Event:", event.type
  44     print "Data", data
  45
  46 if __name__ == '__main__':
  47     import sys
  48     try:
  49         from msvcrt import getch
  50     except ImportError:
  51         def getch():
  52             import tty
  53             import termios
  54             fd=sys.stdin.fileno()
  55             old_settings=termios.tcgetattr(fd)
  56             try:
  57                 tty.setraw(fd)
  58                 ch=sys.stdin.read(1)
  59             finally:
  60                 termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
  61             return ch
  62
  63     @callbackmethod
  64     def end_callback(event, data):
  65         print "End of stream"
  66         sys.exit(0)
  67
  68     if sys.argv[1:]:
  69         i=Instance()
  70         m=i.media_new(sys.argv[1])
  71         p=i.media_player_new()
  72         p.set_media(m)
  73         p.play()
  74
  75         e=p.event_manager()
  76         e.event_attach(EventType.MediaPlayerStopped, end_callback, None)
  77
  78         def print_info():
  79             """Print information about the media."""
  80             m=p.get_media()
  81             print "Playing ", m.get_mrl()
  82             print "Current time:", p.get_time(), "/", m.get_duration()
  83             print "Position", p.get_position()
  84
  85         def forward():
  86             """Go forward 1s"""
  87             p.set_time(p.get_time() + 1000)
  88
  89         def backward():
  90             """Go backward 1s"""
  91             p.set_time(p.get_time() - 1000)
  92
  93         def print_help():
  94             """Print help
  95             """
  96             print "Commands:"
  97             for k, m in keybindings.iteritems():
  98                 print "  %s: %s" % (k, (m.__doc__ or m.__name__).splitlines()[0])
  99
 100         def quit():
 101             """Exit."""
 102             sys.exit(0)
 103
 104         keybindings={
 105             'f': p.toggle_fullscreen,
 106             ' ': p.pause,
 107             '+': forward,
 108             '-': backward,
 109             '?': print_help,
 110             'i': print_info,
 111             'q': quit,
 112             }
 113
 114         while True:
 115             k=getch()
 116             method=keybindings.get(k, None)
 117             if method is not None:
 118                 method()