Difficult-Rocket/libs/pyglet/media/drivers/__init__.py
2023-03-22 00:08:03 +08:00

82 lines
2.2 KiB
Python

"""Drivers for playing back media."""
import atexit
import pyglet
_debug = pyglet.options['debug_media']
for driver_name in pyglet.options['audio']:
try:
if driver_name == 'pulse':
from . import pulse
_audio_driver = pulse.create_audio_driver()
break
elif driver_name == 'xaudio2':
if pyglet.compat_platform in ('win32', 'cygwin'):
from pyglet.libs.win32.constants import WINDOWS_8_OR_GREATER
if WINDOWS_8_OR_GREATER:
from . import xaudio2
_audio_driver = xaudio2.create_audio_driver()
break
elif driver_name == 'directsound':
if pyglet.compat_platform in ('win32', 'cygwin'):
from . import directsound
_audio_driver = directsound.create_audio_driver()
break
elif driver_name == 'openal':
from . import openal
_audio_driver = openal.create_audio_driver()
break
elif driver_name == 'silent':
from . import silent
_audio_driver = silent.create_audio_driver()
break
except Exception:
if _debug:
print(f'Error importing driver {driver_name}:')
import traceback
traceback.print_exc()
else:
from . import silent
_audio_driver = silent.create_audio_driver()
def get_audio_driver():
"""Get the preferred audio driver for the current platform.
See :data:`pyglet.options` ``audio``, and the Programming guide,
section :doc:`/programming_guide/media` for more information on
setting the preferred driver.
Returns:
AbstractAudioDriver : The concrete implementation of the preferred
audio driver for this platform.
"""
return _audio_driver
def _delete_audio_driver():
# First cleanup any remaining spontaneous Player
from .. import Source
for p in Source._players:
# Remove the reference to _on_player_eos which had a closure on the player
p.on_player_eos = None
del p
del Source._players
global _audio_driver
_audio_driver = None
atexit.register(_delete_audio_driver)