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# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
# Copyright (C) 2006 Lukáš Lalinský
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from mutagen.mp4 import MP4, MP4Cover
from zmusic.picard.file import File
from zmusic.picard.metadata import Metadata
from zmusic.picard.util import encode_filename
class MP4File(File):
EXTENSIONS = [".m4a", ".m4b", ".m4p", ".mp4"]
NAME = "MPEG-4 Audio"
__text_tags = {
"\xa9ART": "artist",
"\xa9nam": "title",
"\xa9alb": "album",
"\xa9wrt": "composer",
"aART": "albumartist",
"\xa9grp": "grouping",
"\xa9day": "date",
"\xa9gen": "genre",
"\xa9lyr": "lyrics",
"\xa9cmt": "comment:",
"\xa9too": "encodedby",
"cprt": "copyright",
"soal": "albumsort",
"soaa": "albumartistsort",
"soar": "artistsort",
"sonm": "titlesort",
"soco": "composersort",
"sosn": "showsort",
"tvsh": "show",
"purl": "podcasturl",
}
__r_text_tags = dict([(v, k) for k, v in __text_tags.iteritems()])
__bool_tags = {
"pcst": "podcast",
"cpil": "compilation",
"pgap": "gapless",
}
__r_bool_tags = dict([(v, k) for k, v in __bool_tags.iteritems()])
__int_tags = {
"tmpo": "bpm",
}
__r_int_tags = dict([(v, k) for k, v in __int_tags.iteritems()])
__freeform_tags = {
"----:com.apple.iTunes:MusicBrainz Track Id": "musicbrainz_trackid",
"----:com.apple.iTunes:MusicBrainz Artist Id": "musicbrainz_artistid",
"----:com.apple.iTunes:MusicBrainz Album Id": "musicbrainz_albumid",
"----:com.apple.iTunes:MusicBrainz Album Artist Id": "musicbrainz_albumartistid",
"----:com.apple.iTunes:MusicIP PUID": "musicip_puid",
"----:com.apple.iTunes:MusicBrainz Album Status": "releasestatus",
"----:com.apple.iTunes:MusicBrainz Album Release Country": "releasecountry",
"----:com.apple.iTunes:MusicBrainz Album Type": "releasetype",
"----:com.apple.iTunes:MusicBrainz Disc Id": "musicbrainz_discid",
"----:com.apple.iTunes:MusicBrainz TRM Id": "musicbrainz_trmid",
"----:com.apple.iTunes:MusicBrainz Work Id": "musicbrainz_workid",
"----:com.apple.iTunes:MusicBrainz Release Group Id": "musicbrainz_releasegroupid",
"----:com.apple.iTunes:Acoustid Fingerprint": "acoustid_fingerprint",
"----:com.apple.iTunes:Acoustid Id": "acoustid_id",
"----:com.apple.iTunes:ASIN": "asin",
"----:com.apple.iTunes:BARCODE": "barcode",
"----:com.apple.iTunes:PRODUCER": "producer",
"----:com.apple.iTunes:LYRICIST": "lyricist",
"----:com.apple.iTunes:CONDUCTOR": "conductor",
"----:com.apple.iTunes:ENGINEER": "engineer",
"----:com.apple.iTunes:MIXER": "mixer",
"----:com.apple.iTunes:DJMIXER": "djmixer",
"----:com.apple.iTunes:REMIXER": "remixer",
"----:com.apple.iTunes:ISRC": "isrc",
"----:com.apple.iTunes:MEDIA": "media",
"----:com.apple.iTunes:LABEL": "label",
"----:com.apple.iTunes:LICENSE": "license",
"----:com.apple.iTunes:CATALOGNUMBER": "catalognumber",
"----:com.apple.iTunes:SUBTITLE": "subtitle",
"----:com.apple.iTunes:DISCSUBTITLE": "discsubtitle",
"----:com.apple.iTunes:MOOD": "mood",
"----:com.apple.iTunes:SCRIPT": "script",
"----:com.apple.iTunes:LANGUAGE": "language",
}
__r_freeform_tags = dict([(v, k) for k, v in __freeform_tags.iteritems()])
__other_supported_tags = ("discnumber", "tracknumber",
"totaldiscs", "totaltracks")
def _load(self, filename):
self.log.debug("Loading file %r", filename)
file = MP4(encode_filename(filename))
if file.tags is None:
file.add_tags()
metadata = Metadata()
for name, values in file.tags.items():
if name in self.__text_tags:
for value in values:
metadata.add(self.__text_tags[name], value)
elif name in self.__bool_tags:
metadata.add(self.__bool_tags[name], values and '1' or '0')
elif name in self.__int_tags:
for value in values:
metadata.add(self.__int_tags[name], unicode(value))
elif name in self.__freeform_tags:
for value in values:
value = value.strip("\x00").decode("utf-8", "replace")
metadata.add(self.__freeform_tags[name], value)
elif name == "----:com.apple.iTunes:fingerprint":
for value in values:
value = value.strip("\x00").decode("utf-8", "replace")
if value.startswith("MusicMagic Fingerprint"):
metadata.add("musicip_fingerprint", value[22:])
elif name == "trkn":
metadata["tracknumber"] = str(values[0][0])
metadata["totaltracks"] = str(values[0][1])
elif name == "disk":
metadata["discnumber"] = str(values[0][0])
metadata["totaldiscs"] = str(values[0][1])
elif name == "covr":
for value in values:
if value.format == value.FORMAT_JPEG:
metadata.add_image("image/jpeg", value)
elif value.format == value.FORMAT_PNG:
metadata.add_image("image/png", value)
self._info(metadata, file)
return metadata
def _save(self, filename, metadata, settings):
self.log.debug("Saving file %r", filename)
file = MP4(encode_filename(self.filename))
if file.tags is None:
file.add_tags()
if settings["clear_existing_tags"]:
file.tags.clear()
for name, values in metadata.rawitems():
if name.startswith('lyrics:'):
name = 'lyrics'
if name in self.__r_text_tags:
file.tags[self.__r_text_tags[name]] = values
elif name in self.__r_bool_tags:
file.tags[self.__r_bool_tags[name]] = (values[0] == '1')
elif name in self.__r_int_tags:
try:
file.tags[self.__r_int_tags[name]] = [int(value) for value in values]
except ValueError:
pass
elif name in self.__r_freeform_tags:
values = [v.encode("utf-8") for v in values]
file.tags[self.__r_freeform_tags[name]] = values
elif name == "musicip_fingerprint":
file.tags["----:com.apple.iTunes:fingerprint"] = ["MusicMagic Fingerprint%s" % str(v) for v in values]
if "tracknumber" in metadata:
if "totaltracks" in metadata:
file.tags["trkn"] = [(int(metadata["tracknumber"]),
int(metadata["totaltracks"]))]
else:
file.tags["trkn"] = [(int(metadata["tracknumber"]), 0)]
if "discnumber" in metadata:
if "totaldiscs" in metadata:
file.tags["disk"] = [(int(metadata["discnumber"]),
int(metadata["totaldiscs"]))]
else:
file.tags["disk"] = [(int(metadata["discnumber"]), 0)]
if settings['save_images_to_tags']:
covr = []
for mime, data, _fname in metadata.images:
if mime == "image/jpeg":
covr.append(MP4Cover(data, MP4Cover.FORMAT_JPEG))
elif mime == "image/png":
covr.append(MP4Cover(data, MP4Cover.FORMAT_PNG))
if covr:
file.tags["covr"] = covr
file.save()
def supports_tag(self, name):
return name in self.__r_text_tags or name in self.__r_bool_tags\
or name in self.__r_freeform_tags\
or name in self.__other_supported_tags\
or name.startswith('lyrics:')
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