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"""
aplay.py
Copyright (C) 2007 Andy Wingo <wingo@pobox.com>
Copyright (C) 2007 Red Hat, Inc.
Copyright (C) 2008-2010 Kushal Das <kushal@fedoraproject.org>
Copyright (C) 2010-11 Walter Bender
Copyright (C) 2013-14 Aneesh Dogra <lionaneesh@gmail.com>
"""
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import gi
gi.require_version('Gst', '1.0')
from gi.repository import GObject, Gst
import logging
import time
_logger = logging.getLogger('lettermatch-activity')
def play_audio_from_file(file_path, queue=False):
""" Audio media """
if hasattr(play_audio_from_file, 'player') and \
play_audio_from_file.player:
if queue:
if hasattr(play_audio_from_file, 'queue'):
if play_audio_from_file.queue and \
file_path in play_audio_from_file.queue:
# if we already have that file in the queue
# we'll just update the timer.
if hasattr(play_audio_from_file, 'queue_timeout'):
time.sleep(0.01)
GObject.source_remove(play_audio_from_file.queue_timeout)
f = Gst.Format(Gst.Format.TIME)
duration = play_audio_from_file.player.query_duration(f)[0]
timeout = duration / 1000000000.
play_audio_from_file.queue_timeout = \
GObject.timeout_add(int(timeout * 1000), \
play_audio_from_file, file_path)
return
else:
play_audio_from_file.queue = []
time.sleep(0.01)
f = Gst.Format(Gst.Format.TIME)
duration = play_audio_from_file.player.query_duration(f)[0]
timeout = duration / 1000000000.
play_audio_from_file.queue_timeout = GObject.timeout_add( \
int(timeout * 1000), play_audio_from_file, file_path)
play_audio_from_file.queue.append(file_path)
return
else:
play_audio_from_file.player.set_state(Gst.State.NULL)
else:
Gst.init(None)
_logger.debug("filesrc location=%s ! decodebin !" \
" autoaudiosink" % (file_path,))
play_audio_from_file.player = Gst.parse_launch ( \
"filesrc location=%s ! decodebin !" \
" autoaudiosink" % (file_path,))
if not play_audio_from_file.player:
_logger.warning('unable to play audio file %s' % (file_path))
else:
play_audio_from_file.player.set_state(Gst.State.PLAYING)
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