def get_replay_gain(self):
"""returns a ReplayGain object of our ReplayGain values
returns None if we have no values"""
from audiotools import ReplayGain
metadata = self.get_metadata()
if (metadata is None):
return None
if ({
'replaygain_track_gain', 'replaygain_track_peak',
'replaygain_album_gain', 'replaygain_album_peak'
}.issubset(metadata.keys())): # we have ReplayGain data
try:
return ReplayGain(
unicode(metadata['replaygain_track_gain'])[0:-len(" dB")],
unicode(metadata['replaygain_track_peak']),
unicode(metadata['replaygain_album_gain'])[0:-len(" dB")],
unicode(metadata['replaygain_album_peak']))
except ValueError:
return None
else:
return None
def get_replay_gain(self):
"""returns a ReplayGain object of our ReplayGain values
returns None if we have no values"""
from audiotools import ReplayGain
vorbis_metadata = self.get_metadata()
if ((vorbis_metadata is not None) and ({
u'REPLAYGAIN_TRACK_PEAK', u'REPLAYGAIN_TRACK_GAIN',
u'REPLAYGAIN_ALBUM_PEAK', u'REPLAYGAIN_ALBUM_GAIN'
}.issubset(vorbis_metadata.keys()))):
# we have ReplayGain data
try:
return ReplayGain(
vorbis_metadata[u'REPLAYGAIN_TRACK_GAIN'][0]
[0:-len(u" dB")],
vorbis_metadata[u'REPLAYGAIN_TRACK_PEAK'][0],
vorbis_metadata[u'REPLAYGAIN_ALBUM_GAIN'][0]
[0:-len(u" dB")],
vorbis_metadata[u'REPLAYGAIN_ALBUM_PEAK'][0])
except (IndexError, ValueError):
return None
else:
return None
def get_replay_gain(self):
"""returns a ReplayGain object of our ReplayGain values
returns None if we have no values
may raise IOError if unable to read the file"""
from audiotools import ReplayGain
try:
rg = BitstreamReader(self.get_block(b"RG"), False)
except KeyError:
return None
version = rg.read(8)
if version != 1:
return None
gain_title = rg.read(16)
peak_title = rg.read(16)
gain_album = rg.read(16)
peak_album = rg.read(16)
if ((gain_title == 0) and (peak_title == 0) and (gain_album == 0)
and (peak_album == 0)):
return None
else:
return ReplayGain(
track_gain=64.82 - float(gain_title) / 256,
track_peak=(10**(float(peak_title) / 256 / 20)) / 2**15,
album_gain=64.82 - float(gain_album) / 256,
album_peak=(10**(float(peak_album) / 256 / 20)) / 2**15)
def replay_gain(self):
vorbis_metadata = self.get_metadata()
if (set([
'REPLAYGAIN_TRACK_PEAK', 'REPLAYGAIN_TRACK_GAIN',
'REPLAYGAIN_ALBUM_PEAK', 'REPLAYGAIN_ALBUM_GAIN'
]).issubset(vorbis_metadata.keys())): #we have ReplayGain data
try:
return ReplayGain(
vorbis_metadata['REPLAYGAIN_TRACK_GAIN'][0][0:-len(" dB")],
vorbis_metadata['REPLAYGAIN_TRACK_PEAK'][0],
vorbis_metadata['REPLAYGAIN_ALBUM_GAIN'][0][0:-len(" dB")],
vorbis_metadata['REPLAYGAIN_ALBUM_PEAK'][0])
except ValueError:
return None
else:
return None
def replay_gain(self):
metadata = self.get_metadata()
if (metadata is None):
return None
if (set([
'replaygain_track_gain', 'replaygain_track_peak',
'replaygain_album_gain', 'replaygain_album_peak'
]).issubset(metadata.keys())): #we have ReplayGain data
try:
return ReplayGain(
unicode(metadata['replaygain_track_gain'])[0:-len(" dB")],
unicode(metadata['replaygain_track_peak']),
unicode(metadata['replaygain_album_gain'])[0:-len(" dB")],
unicode(metadata['replaygain_album_peak']))
except ValueError:
return None
else:
return None