mirror of
https://github.com/microtherion/VocalEasel.git
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136 lines
3.6 KiB
Python
136 lines
3.6 KiB
Python
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# player.py
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"""
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This module is an integeral part of the program
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MMA - Musical Midi Accompaniment.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Bob van der Poel <bob@mellowood.ca>
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"""
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import time
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import subprocess
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import re
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from MMA.common import *
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import MMA.gbl
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# Just in case the player is NOT set in mma.py we wrap the import
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# in a try/except. Set it to '' if the import fails.
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try:
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from __main__ import midiPlayer
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except:
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midiPlayer = ['']
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# We run in background in windows, foreground in linux
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if gbl.platform == 'Windows':
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inBackGround = 1 # by default we run in foreground
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else:
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inBackGround = 0
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waitTime = 5 # default time to wait after forking in background
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def setMidiPlayer(ln):
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""" Set the MIDI file player (used with -P and -V). """
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global midiPlayer, waitTime, inBackGround
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if not ln:
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ln = ['']
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n = []
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for l in ln: # parse out optional args
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if '=' in l:
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a,b = l.upper().split('=', 1)
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if a == 'DELAY':
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b = stof(b, "SetMidiPlayer: Delay must be value, not '%s'." % b)
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waitTime = b
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elif a == "BACKGROUND":
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if b in ('1','YES'):
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inBackGround = 1
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elif b in ('0', 'NO'):
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inBackGround = 0
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else:
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error("SetMidiPlayer: Background must be 'yes'"
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"or 'no', not '%s'." % b)
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else: error("SetMidiPlayer: unknown option '%s'." % a)
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else:
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n.append(MMA.file.fixfname(l))
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if not n:
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n=['']
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midiPlayer = n
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if gbl.debug:
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print "MidiPlayer set to '%s' Background=%s Delay=%s." % \
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(' '.join(midiPlayer), inBackGround, waitTime)
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def playMidi(file):
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""" Play a midi file. """
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pl = midiPlayer[0]
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opts = midiPlayer[1:]
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if not pl and gbl.platform != "Windows":
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error("No MIDI file player defined, temp files will be deleted.")
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if not pl:
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m = "default windows MIDI player"
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else:
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m = pl
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print "Playing MIDI '%s' with %s." % (file, m)
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if gbl.platform == "Windows":
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sh = True
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else:
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sh = False
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cmd = [pl]
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if opts:
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cmd.append(' '.join(opts))
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cmd.append(file)
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t=time.time()
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# fork our player.
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try:
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pid = subprocess.Popen(cmd, shell=sh)
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except OSError, e:
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print e
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msg = "MidiPlayer fork error."
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if re.search("[\'\"]", ''.join(cmd)):
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msg += " Using quotes in the MidiPlayer name/opts might be your problem."
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error(msg)
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if inBackGround: # if the background option set, do a sleep
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print "Play in progress ... file will be deleted."
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time.sleep(waitTime)
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else: # foreground player ... wait for process to finish
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pid.wait()
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print "Play complete (%.2f min), file has been deleted." \
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% ((time.time()-t)/60)
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