def autoquit():
for joydata in Joystick._OPEN_JOYSTICKS:
sdl.SDL_JoystickClose(joydata)
Joystick._OPEN_JOYSTICKS.clear()
if sdl.SDL_WasInit(sdl.SDL_INIT_JOYSTICK):
sdl.SDL_JoystickEventState(sdl.SDL_DISABLE)
sdl.SDL_QuitSubSystem(sdl.SDL_INIT_JOYSTICK)
def autoinit(frequency=None, size=None, channels=None, chunksize=None):
if not frequency:
frequency = _request_frequency
if not size:
size = _request_size
if not channels:
channels = _request_stereo
if not chunksize:
chunksize = _request_chunksize
if channels >= 2:
channels = 2
else:
channels = 1
# chunk must be a power of 2
chunksize = int(math.log(chunksize, 2))
chunksize = 2**chunksize
if chunksize < buffer:
chunksize *= 2
# fmt is a bunch of flags
if size == 8:
fmt = sdl.AUDIO_U8
elif size == -8:
fmt = sdl.AUDIO_S8
elif size == 16:
fmt = sdl.AUDIO_U16SYS
elif size == -16:
fmt = sdl.AUDIO_S16SYS
else:
raise ValueError("unsupported size %d" % size)
global _numchanneldata, _channeldata
if not sdl.SDL_WasInit(sdl.SDL_INIT_AUDIO):
register_quit(autoquit)
# channel stuff
if not _channeldata:
_numchanneldata = sdl.MIX_CHANNELS
_channeldata = [ChannelData() for i in range(_numchanneldata)]
if sdl.SDL_InitSubSystem(sdl.SDL_INIT_AUDIO) == -1:
return False
if sdl.Mix_OpenAudio(frequency, fmt, channels, chunksize) == -1:
sdl.SDL_QuitSubSystem(sdl.SDL_INIT_AUDIO)
return False
sdl.Mix_ChannelFinished(_endsound_callback)
# TODO: reverse stereo for 8-bit below SDL 1.2.8
sdl.Mix_VolumeMusic(127)
return True
def autoquit():
global _channeldata, _numchanneldata, _current_music, \
_queue_music
if sdl.SDL_WasInit(sdl.SDL_INIT_AUDIO):
sdl.Mix_HaltMusic()
# cleanup
if _channeldata:
_channeldata = None
_numchanneldata = 0
if _current_music:
sdl.Mix_FreeMusic(_current_music)
_current_music = None
if _queue_music:
sdl.Mix_FreeMusic(_queue_music)
_queue_music = None
sdl.Mix_CloseAudio()
sdl.SDL_QuitSubSystem(sdl.SDL_INIT_AUDIO)
def video_autoquit():
if sdl.SDL_WasInit(sdl.SDL_INIT_VIDEO):
sdl.SDL_QuitSubSystem(sdl.SDL_INIT_VIDEO)