''' Converter classes that operate on VideoStim inputs. '''
from pliers.stimuli.video import VideoStim
from pliers.stimuli.audio import AudioStim
from .base import Converter
[docs]class VideoToAudioConverter(Converter):
''' Convert a VideoStim to an AudioStim by extracting the audio track
using moviepy. '''
_input_type = VideoStim
_output_type = AudioStim
VERSION = '1.0'
def _convert(self, video):
fps = AudioStim.get_sampling_rate(video.filename)
return AudioStim(sampling_rate=fps,
clip=video.clip.audio)