copyparty/bin/mtag/audio-key.py

56 lines
962 B
Python
Executable File

#!/usr/bin/env python
import os
import sys
import tempfile
import subprocess as sp
import keyfinder
from copyparty.util import fsenc
"""
dep: github/mixxxdj/libkeyfinder
dep: pypi/keyfinder
dep: ffmpeg
"""
# tried trimming the first/last 5th, bad idea,
# misdetects 9a law field (Sphere Caliber) as 10b,
# obvious when mixing 9a ghostly parapara ship
def det(tf):
# fmt: off
sp.check_call([
b"ffmpeg",
b"-nostdin",
b"-hide_banner",
b"-v", b"fatal",
b"-y", b"-i", fsenc(sys.argv[1]),
b"-map", b"0:a:0",
b"-t", b"300",
b"-sample_fmt", b"s16",
fsenc(tf)
])
# fmt: on
print(keyfinder.key(tf).camelot())
def main():
with tempfile.NamedTemporaryFile(suffix=".flac", delete=False) as f:
f.write(b"h")
tf = f.name
try:
det(tf)
except:
pass # mute
finally:
os.unlink(tf)
if __name__ == "__main__":
main()