eorzea-songbook/build_clips.py
2024-04-09 17:36:30 +10:00

76 lines
1.6 KiB
Python

import sqlite3
import os
import glob
import shutil
import sox
shutil.rmtree('static/clip')
os.makedirs('static/clip', exist_ok=True)
db = sqlite3.connect("file:songbook.sqlite?mode=ro", uri=True)
cur = db.cursor()
for song, motif, start, duration, album, track in db.execute('''
select
clip.song_id, motif_id, start_ms, duration_ms, max(album_id), track
from
clip
join
song_album
on
clip.song_id=song_album.song_id
group by
clip.song_id, motif_id'''
):
# get source path
album_folder = f'{album - 1:02}. *'
song_file = f'{track:03}. *.flac'
source = glob.glob(f"/mnt/petal/media/Audio/Music/Soundtracks/Final Fantasy XIV/{album_folder}/{song_file}")
assert(len(source) == 1)
source = source[0]
print(source)
# get clip filename
destination = f'static/clip/{song:04}-{motif:03}.mp3'
print(destination)
source_duration = sox.file_info.duration(source)
# trim and fade start
fade_length = 2
if start < fade_length:
trim_start = 0
fade_in = 0
else:
trim_start = start - fade_length
fade_in = fade_length
# trim and fade end (to be continued)
if source_duration - (start + duration ) < fade_length:
trim_end = None
fade_out = 0
else:
trim_end = start + duration + fade_length
fade_out = fade_length
# call sox
tf = sox.Transformer()
tf.trim(trim_start, trim_end)
tf.fade(fade_in, fade_out, 't')
sox_status = tf.build_file(source, destination, return_output=True)
# error check
if sox_status != (0, '', ''):
print(sox_status)