# GNU Solfege - free ear training software
# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007, 2008 Tom Cato Amundsen
# Copyright (C) 2001 Joe Lee
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
from __future__ import absolute_import
import logging
from solfege.soundcard.synth_common import SynthCommon
from solfege.soundcard import winmidi
from solfege.mpd.track import MidiEventStream
class WinSynth(SynthCommon):
NUM_CHANNELS = 16
def __init__(self, devnum, verbose_init):
SynthCommon.__init__(self)
try:
self.__driver = winmidi.Winmidi(devnum)
except RuntimeError, e:
if not winmidi.output_devices():
e.args = e.args + (_("No MIDI output devices available."),)
raise
devnum = 0
self.__driver = winmidi.Winmidi(devnum)
self.m_type_major = "win32" #FIXME
self.m_devnum = devnum
if verbose_init:
print "Solfege will use Windows multimedia output."
def close(self):
self.__driver = None
def stop(self):
# dummy function
pass
def play_track(self, *tracks):
self.play_midieventstream(MidiEventStream(*tracks))
def play_midieventstream(self, midieventstream):
if self.__driver is None:
raise RuntimeError, "Attempted to use synth after closing."
self.__driver.reset()
# bigger magic plays slower
magic = 1440000
self.__driver.set_tempo(int(magic * 4 / 60))
v = []
notelen = 0
for e in midieventstream:
if e[0] == midieventstream.TEMPO:
self.__driver.set_tempo(int(magic * e[2] / e[1]))
elif e[0] == midieventstream.NOTELEN_TIME:
notelen = e[1]
elif e[0] == midieventstream.NOTE_ON:
self.__driver.note_on(int(1000 * notelen), e[1], e[2], e[3])
notelen = 0
elif e[0] == midieventstream.NOTE_OFF:
self.__driver.note_off(int(1000 * notelen), e[1], e[2], e[3])
notelen = 0
elif e[0] == midieventstream.SET_PATCH:
self.__driver.program_change(e[1], e[2])
elif e[0] == midieventstream.BENDER:
logging.debug("ugh todo: seq_bender for play_with_drvmidi")
#m.seq_bender(DEV, e[1], e[2])
else:
pass
self.__driver.play()
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