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'''
Audio example
=============
This example plays sounds of different formats. You should see a grid of
buttons labelled with filenames. Clicking on the buttons will play, or
restart, each sound. Not all sound formats will play on all platforms.
All the sounds are from the http://woolyss.com/chipmusic-samples.php
"THE FREESOUND PROJECT", Under Creative Commons Sampling Plus 1.0 License.
'''
import kivy
kivy.require('1.0.8')
from kivy.app import App
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.core.audio import SoundLoader
from kivy.properties import StringProperty, ObjectProperty, NumericProperty
from glob import glob
from os.path import dirname, join, basename
class AudioButton(Button):
filename = StringProperty(None)
sound = ObjectProperty(None, allownone=True)
volume = NumericProperty(1.0)
def on_press(self):
if self.sound is None:
self.sound = SoundLoader.load(self.filename)
# stop the sound if it's currently playing
if self.sound.state != 'stop':
self.sound.stop()
self.sound.volume = self.volume
self.sound.play()
def release_audio(self):
if self.sound:
self.sound.stop()
self.sound.unload()
self.sound = None
def set_volume(self, volume):
self.volume = volume
if self.sound:
self.sound.volume = volume
class AudioBackground(BoxLayout):
pass
class AudioApp(App):
def build(self):
root = AudioBackground(spacing=5)
for fn in glob(join(dirname(__file__), '*.wav')):
btn = AudioButton(
text=basename(fn[:-4]).replace('_', ' '), filename=fn,
size_hint=(None, None), halign='center',
size=(128, 128), text_size=(118, None))
root.ids.sl.add_widget(btn)
return root
def release_audio(self):
for audiobutton in self.root.ids.sl.children:
audiobutton.release_audio()
def set_volume(self, value):
for audiobutton in self.root.ids.sl.children:
audiobutton.set_volume(value)
if __name__ == '__main__':
AudioApp().run()
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