Permalink
Switch branches/tags
Nothing to show
Find file Copy path
125 lines (102 sloc) 4.13 KB
class PlaysoundException(Exception):
pass
def _playsoundWin(sound, block = True):
'''
Utilizes windll.winmm. Tested and known to work with MP3 and WAVE on
Windows 7 with Python 2.7. Probably works with more file formats.
Probably works on Windows XP thru Windows 10. Probably works with all
versions of Python.
Inspired by (but not copied from) Michael Gundlach <gundlach@gmail.com>'s mp3play:
https://github.com/michaelgundlach/mp3play
I never would have tried using windll.winmm without seeing his code.
'''
from ctypes import c_buffer, windll
from random import random
from time import sleep
from sys import getfilesystemencoding
def winCommand(*command):
buf = c_buffer(255)
command = ' '.join(command).encode(getfilesystemencoding())
errorCode = int(windll.winmm.mciSendStringA(command, buf, 254, 0))
if errorCode:
errorBuffer = c_buffer(255)
windll.winmm.mciGetErrorStringA(errorCode, errorBuffer, 254)
exceptionMessage = ('\n Error ' + str(errorCode) + ' for command:'
'\n ' + command.decode() +
'\n ' + errorBuffer.value.decode())
raise PlaysoundException(exceptionMessage)
return buf.value
alias = 'playsound_' + str(random())
winCommand('open "' + sound + '" alias', alias)
winCommand('set', alias, 'time format milliseconds')
durationInMS = winCommand('status', alias, 'length')
winCommand('play', alias, 'from 0 to', durationInMS.decode())
if block:
sleep(float(durationInMS) / 1000.0)
def _playsoundOSX(sound, block = True):
'''
Utilizes AppKit.NSSound. Tested and known to work with MP3 and WAVE on
OS X 10.11 with Python 2.7. Probably works with anything QuickTime supports.
Probably works on OS X 10.5 and newer. Probably works with all versions of
Python.
Inspired by (but not copied from) Aaron's Stack Overflow answer here:
http://stackoverflow.com/a/34568298/901641
I never would have tried using AppKit.NSSound without seeing his code.
'''
from AppKit import NSSound
from Foundation import NSURL
from time import sleep
if '://' not in sound:
if not sound.startswith('/'):
from os import getcwd
sound = getcwd() + '/' + sound
sound = 'file://' + sound
url = NSURL.URLWithString_(sound)
nssound = NSSound.alloc().initWithContentsOfURL_byReference_(url, True)
if not nssound:
raise IOError('Unable to load sound named: ' + sound)
nssound.play()
if block:
sleep(nssound.duration())
def _playsoundNix(sound, block=True):
"""Play a sound using GStreamer.
Inspired by this:
https://gstreamer.freedesktop.org/documentation/tutorials/playback/playbin-usage.html
"""
if not block:
raise NotImplementedError(
"block=False cannot be used on this platform yet")
# pathname2url escapes non-URL-safe characters
import os
try:
from urllib.request import pathname2url
except ImportError:
# python 2
from urllib import pathname2url
import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst
Gst.init(None)
playbin = Gst.ElementFactory.make('playbin', 'playbin')
if sound.startswith(('http://', 'https://')):
playbin.props.uri = sound
else:
playbin.props.uri = 'file://' + pathname2url(os.path.abspath(sound))
set_result = playbin.set_state(Gst.State.PLAYING)
if set_result != Gst.StateChangeReturn.ASYNC:
raise PlaysoundException(
"playbin.set_state returned " + repr(set_result))
# FIXME: use some other bus method than poll() with block=False
# https://lazka.github.io/pgi-docs/#Gst-1.0/classes/Bus.html
bus = playbin.get_bus()
bus.poll(Gst.MessageType.EOS, Gst.CLOCK_TIME_NONE)
playbin.set_state(Gst.State.NULL)
from platform import system
system = system()
if system == 'Windows':
playsound = _playsoundWin
elif system == 'Darwin':
playsound = _playsoundOSX
else:
playsound = _playsoundNix
del system