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# Copyright (C) 2006, 2007, 2008 One Laptop Per Child
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import os
import logging
from threading import Thread
import csnd
_logger = logging.getLogger('csound')
class CsoundServer(Thread):
def __init__(self):
Thread.__init__(self)
self.csound = csnd.Csound()
def start(self):
self.perf = csnd.CsoundPerformanceThread(self.csound)
uniorcpath = os.path.join( os.path.dirname(__file__), 'univorc.csd')
if not os.path.exists(uniorcpath):
_logger.error('univorc not found %s'%uniorcpath)
else:
if self.csound.Compile(uniorcpath) == -1:
_logger.debug('error compiling csound orchestra %s'%uniorcpath)
return 1
self.perf.Play()
return 0
def pause(self):
self.perf.Stop()
self.perf.Join()
self.csound.Reset()
_logger.debug('stop performance')
def perform(self, msg):
_logger.debug(' [perform_cb] %s'%str(msg))
self.perf.InputMessage(str(msg))
def quit(self):
_logger.info('quit')
self.perf.Stop()
self.perf.Join()
self.csound.Reset()
self.csound = None
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