nzbToMedia/libs/common/beetsplug/bpm.py
Labrys of Knossos 56c6773c6b Update vendored beets to 1.6.0
Updates colorama to 0.4.6
Adds confuse version 1.7.0
Updates jellyfish to 0.9.0
Adds mediafile 0.10.1
Updates munkres to 1.1.4
Updates musicbrainzngs to 0.7.1
Updates mutagen to 1.46.0
Updates pyyaml to 6.0
Updates unidecode to 1.3.6
2022-11-29 00:44:48 -05:00

88 lines
2.6 KiB
Python

# This file is part of beets.
# Copyright 2016, aroquen
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
"""Determine BPM by pressing a key to the rhythm."""
import time
from beets import ui
from beets.plugins import BeetsPlugin
def bpm(max_strokes):
"""Returns average BPM (possibly of a playing song)
listening to Enter keystrokes.
"""
t0 = None
dt = []
for i in range(max_strokes):
# Press enter to the rhythm...
s = input()
if s == '':
t1 = time.time()
# Only start measuring at the second stroke
if t0:
dt.append(t1 - t0)
t0 = t1
else:
break
# Return average BPM
# bpm = (max_strokes-1) / sum(dt) * 60
ave = sum([1.0 / dti * 60 for dti in dt]) / len(dt)
return ave
class BPMPlugin(BeetsPlugin):
def __init__(self):
super().__init__()
self.config.add({
'max_strokes': 3,
'overwrite': True,
})
def commands(self):
cmd = ui.Subcommand('bpm',
help='determine bpm of a song by pressing '
'a key to the rhythm')
cmd.func = self.command
return [cmd]
def command(self, lib, opts, args):
items = lib.items(ui.decargs(args))
write = ui.should_write()
self.get_bpm(items, write)
def get_bpm(self, items, write=False):
overwrite = self.config['overwrite'].get(bool)
if len(items) > 1:
raise ValueError('Can only get bpm of one song at time')
item = items[0]
if item['bpm']:
self._log.info('Found bpm {0}', item['bpm'])
if not overwrite:
return
self._log.info('Press Enter {0} times to the rhythm or Ctrl-D '
'to exit', self.config['max_strokes'].get(int))
new_bpm = bpm(self.config['max_strokes'].get(int))
item['bpm'] = int(new_bpm)
if write:
item.try_write()
item.store()
self._log.info('Added new bpm {0}', item['bpm'])