effie/eorzea-songbook
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add the fade-in and out to the clips

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This commit is contained in:
Effie 2023-06-03 16:34:22 +10:00
parent 32c3a810b5
commit 53f0b71783
1 changed files with 25 additions and 2 deletions
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27
build_clips.py
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@ -2,8 +2,10 @@ import sqlite3
import os
import glob
import subprocess
import shutil
os.removedirs('clips')
shutil.rmtree('clips')
# os.removedirs('clips')
os.mkdir('clips')
db = sqlite3.connect("file:songbook.sqlite?mode=ro", uri=True)
@ -40,6 +42,27 @@ for song, motif, start, duration in db.execute('''
print (destination)
# trim and fade start
if start / 1000 < 2:
trim_start = 0
trim_duration = duration / 1000 + start / 1000 + 2
fade_in = 0
fade_out = 2
else:
trim_start = start / 1000 - 2
trim_duration = duration / 1000 + 4
fade_in = 2
fade_out = 2
# trim and fade end (to be continued)
# call sox
subprocess.run(["sox", source, destination, "trim", f'{start / 1000}', f'{duration / 1000}'], check = True)
sox_args = [str(x) for x in ["sox", source, destination,
"trim", trim_start, trim_duration,
"fade", "t", fade_in, "-0", fade_out]]
print(' '.join(sox_args))
subprocess.run(sox_args, check = True)