Difficult-Rocket/libs/pyglet/media/events.py
2022-04-30 13:56:57 +08:00

73 lines
2.8 KiB
Python

# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
# Copyright (c) 2008-2022 pyglet contributors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of pyglet nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
import time
import pyglet
class MediaEvent:
"""Representation of a media event.
These events are used internally by some audio driver implementation to
communicate events to the :class:`~pyglet.media.player.Player`.
One example is the ``on_eos`` event.
Args:
timestamp (float): The time where this event happens.
event (str): Event description.
*args: Any required positional argument to go along with this event.
"""
def __init__(self, timestamp, event, *args):
# Meaning of timestamp is dependent on context; and not seen by
# application.
self.timestamp = timestamp
self.event = event
self.args = args
def _sync_dispatch_to_player(self, player):
pyglet.app.platform_event_loop.post_event(player, self.event, *self.args)
time.sleep(0)
# TODO sync with media.dispatch_events
def __repr__(self):
return '%s(%r, %r, %r)' % (self.__class__.__name__,
self.timestamp, self.event, self.args)
def __lt__(self, other):
return hash(self) < hash(other)