def __init__(self, filepath, volume=1.0): # Set up a sound mixer with underlying audio file self._mixer = viz.addSoundMixer() self._mixer.setPaused(True) self._filepath = filepath self._mixer.play(self._filepath) # Store volume parameter self._volume = volume # Define a time step for fade self._timeStep = 0.1 # seconds # Store handle to update function to be used for fade update self.updateEvent = None
"""Utility to fade out an audio track"""
import viz
import vizact
import viztask
# Global, externally accessible mixer instance
mixer = viz.addSoundMixer()
FADE_COMPLETE = viz.getEventID('fade_complete')
class FadeableAudio(object):
"""Wrapper class for an audio file providing a fade feature.
Note: mp3 file type not supported, recommended to use wav instead
"""
def __init__(self, filepath, volume=1.0):
# Set up a sound mixer with underlying audio file
self._mixer = viz.addSoundMixer()
self._mixer.setPaused(True)
self._filepath = filepath
self._mixer.play(self._filepath)
# Store volume parameter
self._volume = volume
# Define a time step for fade
self._timeStep = 0.1 # seconds
def __init__(self):
self.mixer = viz.addSoundMixer()
