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         if sys.platform == 'win32' and plugin_path is not None:
  70             i=Instance('--plugin-path', plugin_path)
  71         else:
  72             i=Instance()
  73         m=i.media_new(sys.argv[1])
  74         p=i.media_player_new()
  75         p.set_media(m)
  76         p.play()
  77
  78         e=p.event_manager()
  79         e.event_attach(EventType.MediaPlayerEndReached, end_callback, None)
  80
  81         def print_info():
  82             """Print information about the media."""
  83             m=p.get_media()
  84             print "State:", p.get_state()
  85             print "Media:", m.get_mrl()
  86             try:
  87                 print "Current time:", p.get_time(), "/", m.get_duration()
  88                 print "Position:", p.get_position()
  89                 print "FPS:", p.get_fps()
  90                 print "Rate:", p.get_rate()
  91                 print "Video size: (%d, %d)" % (p.video_get_width(), p.video_get_height())
  92             except Exception:
  93                 pass
  94
  95         def forward():
  96             """Go forward 1s"""
  97             p.set_time(p.get_time() + 1000)
  98
  99         def one_frame_forward():
 100             """Go forward one frame"""
 101             p.set_time(p.get_time() + long(1000 / (p.get_fps() or 25)))
 102
 103         def one_frame_backward():
 104             """Go backward one frame"""
 105             p.set_time(p.get_time() - long(1000 / (p.get_fps() or 25)))
 106
 107         def backward():
 108             """Go backward 1s"""
 109             p.set_time(p.get_time() - 1000)
 110
 111         def print_help():
 112             """Print help
 113             """
 114             print "Commands:"
 115             for k, m in keybindings.iteritems():
 116                 print "  %s: %s" % (k, (m.__doc__ or m.__name__).splitlines()[0])
 117             print " 1-9: go to the given fraction of the movie"
 118
 119         def quit():
 120             """Exit."""
 121             sys.exit(0)
 122
 123         keybindings={
 124             'f': p.toggle_fullscreen,
 125             ' ': p.pause,
 126             '+': forward,
 127             '-': backward,
 128             '.': one_frame_forward,
 129             ',': one_frame_backward,
 130             '?': print_help,
 131             'i': print_info,
 132             'q': quit,
 133             }
 134
 135         print "Press q to quit, ? to get help."
 136         while True:
 137             k=getch()
 138             o=ord(k)
 139             method=keybindings.get(k, None)
 140             if method is not None:
 141                 method()
 142             elif o >= 49 and o <= 57:
 143                 # Numeric value. Jump to a fraction of the movie.
 144                 v=0.1*(o-48)
 145                 p.set_position(v)
 146
 147