def multiple_tracks(tracks):
"""Mixes multiple tracks into single one
Tracks will be mixed with either of these methods, chosen randomly:
- mix_segments
- overlay
"""
slice_length = random.choice(config.MULTIPLE_TRACKS_LENGTH)
return audio.mix_segments(tracks, slice_length)
def panzerfaust(track):
"""Mixes track with one of the panzer tracks"""
if not _PANZER_TRACKS:
return track
panzer_track = random.choice(_PANZER_TRACKS)
# Cut panzer track to track's length
track_length = len(track)
# Fix: not all panzer tracks have proper length!
while len(panzer_track) < track_length:
panzer_track = panzer_track + panzer_track
panzer_track = panzer_track[:track_length]
# Lower volume of panzer track
panzer_track -= config.PANZER_VOLUME_DECREASE
slice_length = random.choice(config.SLICE_LENGTH)
return audio.mix_segments([track, panzer_track], slice_length)