def preview_audio(args):
output_directory = args.output_directory
audio_source = args.audio_source
duration = args.duration
audio_events_mode = args.audio_events_mode
preview_mode = args.preview_mode
# Prepare Inputs
audio_file = get_audio_file(audio_source, duration)
filename = paths.filename_from_path(audio_file) if audio_file else ''
output_extension = '.wav' if preview_mode == PreviewMode.AUDIO else VideoWriter.VIDEO_EXTENSION
output_path = os.path.join(
output_directory, filename + "_marked_audio_preview_" +
(audio_events_mode if audio_events_mode else "") + output_extension)
generator = MusicVideoGenerator(audio_file, duration=duration)
try:
events = prepare_events(generator, args)
except ParameterError as e:
shutdown(str(e))
message(
f"Creating audio preview '{paths.filename_from_path(output_path)}'...")
generator.preview_events(events, output_path, preview_mode)
def test_music_video_generator__creates_preview():
generator = MusicVideoGenerator(audio_file=f'{DATA_PATH}/audio/soft.mp3')
preview_path = generator.preview_events(generator.audio.beats(),
progress_bar=False)