def load_tracks(self, filenames):
"""Loads files as pydub tracks"""
app = self.parent.parentApp
tracks = []
for filename in filenames:
app.notify('Loading {title}...'.format(title=filename))
track = audio.load(filename)
if not app._already_cut:
track = audio.cut(track, app._track_length * 2)
tracks.append(track)
return tracks
def overlay_music(track):
"""Adds another song layer"""
if not _OVERLAY_TRACKS:
return track
overlay_track = random.choice(_OVERLAY_TRACKS)
# Cut overlay track to track's length
track_length = len(track)
if len(overlay_track) > track_length:
overlay_track = audio.cut(
overlay_track,
track_length,
0,
len(overlay_track) - track_length,
)
if track.max > overlay_track.max:
overlay_track += 3
# Lower volume of our track
track -= config.OVERLAY_VOLUME_DECREASE
return audio.overlay([track, overlay_track])
'Output directory (will be created if not present): [./tracks]'
) or './tracks'
length = input('Track length, in seconds: [70] ') or 70
length = int(length)
if not os.path.exists(output_dir):
os.mkdir(output_dir)
filenames = utils.get_filenames(input_dir)
filenames_length = len(filenames)
for i, filename in enumerate(filenames.values(), start=1):
pretty_print(
'Converting file {i}/{total}... [{filename}]'.format(
i=i,
total=filenames_length,
filename=os.path.basename(filename),
),
)
track = audio.load(filename)
track = audio.cut(track, length * 1000)
new_filename = os.path.join(
output_dir,
os.path.basename(filename),
)
track.export(new_filename, format='mp3', bitrate='256k')
# Copy metadata, too
data = EasyID3(filename)
data.save(new_filename, v1=2)
print()
print('Done.')
