mirror of
https://github.com/beetbox/beets.git
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127 lines
4.6 KiB
Python
127 lines
4.6 KiB
Python
# This file is part of beets.
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# Copyright 2012, Jakob Schnitzer.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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"""Converts tracks or albums to external directory
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"""
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import logging
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import os
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import shutil
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import threading
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from subprocess import Popen, PIPE
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from beets.plugins import BeetsPlugin
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from beets import ui, util
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from beetsplug.embedart import _embed
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log = logging.getLogger('beets')
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DEVNULL = open(os.devnull, 'wb')
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conf = {}
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_fs_lock = threading.Lock()
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def encode(source, dest):
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log.info(u'Started encoding {0}'.format(util.displayable_path(source)))
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encode = Popen([conf['ffmpeg']] + ['-i', source] + conf['opts'] +
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[dest], close_fds=True, stderr=DEVNULL)
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encode.wait()
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if encode.returncode != 0:
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# Something went wrong (probably Ctrl+C), remove temporary files
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log.info(u'Encoding {0} failed. Cleaning up...'.format(source))
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util.remove(dest)
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util.prune_dirs(os.path.dirname(dest))
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return
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log.info(u'Finished encoding {0}'.format(util.displayable_path(source)))
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def convert_item(lib, dest_dir):
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while True:
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item = yield
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dest = os.path.join(dest_dir, lib.destination(item, fragment=True))
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dest = os.path.splitext(dest)[0] + '.mp3'
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if os.path.exists(dest):
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log.info(u'Skipping {0} (target file exists)'.format(
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util.displayable_path(item.path)
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))
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continue
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# Ensure that only one thread tries to create directories at a
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# time. (The existence check is not atomic with the directory
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# creation inside this function.)
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with _fs_lock:
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util.mkdirall(dest)
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if item.format == 'MP3' and item.bitrate < 1000 * conf['max_bitrate']:
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log.info(u'Copying {0}'.format(util.displayable_path(item.path)))
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util.copy(item.path, dest)
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else:
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encode(item.path, dest)
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item.path = dest
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item.write()
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if conf['embed']:
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album = lib.get_album(item)
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if album:
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artpath = album.artpath
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if artpath:
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_embed(artpath, [item])
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def convert_func(lib, config, opts, args):
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dest = opts.dest if opts.dest is not None else conf['dest']
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if not dest:
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raise ui.UserError('no convert destination set')
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threads = opts.threads if opts.threads is not None else conf['threads']
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ui.commands.list_items(lib, ui.decargs(args), opts.album, None, config)
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if not ui.input_yn("Convert? (Y/n)"):
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return
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if opts.album:
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items = (i for a in lib.albums(ui.decargs(args)) for i in a.items())
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else:
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items = lib.items(ui.decargs(args))
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convert = [convert_item(lib, dest) for i in range(threads)]
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pipe = util.pipeline.Pipeline([items, convert])
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pipe.run_parallel()
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class ConvertPlugin(BeetsPlugin):
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def configure(self, config):
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conf['dest'] = ui.config_val(config, 'convert', 'dest', None)
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conf['threads'] = int(ui.config_val(config, 'convert', 'threads',
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util.cpu_count()))
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conf['ffmpeg'] = ui.config_val(config, 'convert', 'ffmpeg', 'ffmpeg')
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conf['opts'] = ui.config_val(config, 'convert',
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'opts', '-aq 2').split(' ')
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conf['max_bitrate'] = int(ui.config_val(config, 'convert',
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'max_bitrate', '500'))
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conf['embed'] = ui.config_val(config, 'convert', 'embed', True,
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vtype=bool)
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def commands(self):
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cmd = ui.Subcommand('convert', help='convert to external location')
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cmd.parser.add_option('-a', '--album', action='store_true',
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help='choose albums instead of tracks')
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cmd.parser.add_option('-t', '--threads', action='store', type='int',
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help='change the number of threads, \
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defaults to maximum availble processors ')
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cmd.parser.add_option('-d', '--dest', action='store',
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help='set the destination directory')
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cmd.func = convert_func
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return [cmd]
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