class RBUF(FrameOpt):
"""Recommended buffer size.
Attributes:
* size -- recommended buffer size in bytes
* info -- if ID3 tags may be elsewhere in the file (optional)
* offset -- the location of the next ID3 tag, if any
Mutagen will not find the next tag itself.
"""
_framespec = [SizedIntegerSpec('size', 3)]
_optionalspec = [
ByteSpec('info'),
SizedIntegerSpec('offset', 4),
]
def __eq__(self, other):
return self.size == other
__hash__ = FrameOpt.__hash__
def __pos__(self):
return self.size
class AENC(FrameOpt):
"""Audio encryption.
Attributes:
* owner -- key identifying this encryption type
* preview_start -- unencrypted data block offset
* preview_length -- number of unencrypted blocks
* data -- data required for decryption (optional)
Mutagen cannot decrypt files.
"""
_framespec = [
Latin1TextSpec('owner'),
SizedIntegerSpec('preview_start', 2),
SizedIntegerSpec('preview_length', 2),
]
_optionalspec = [BinaryDataSpec('data')]
@property
def HashKey(self):
return '%s:%s' % (self.FrameID, self.owner)
def __str__(self):
return self.owner.encode('utf-8')
def __unicode__(self):
return self.owner
def __eq__(self, other):
return self.owner == other
__hash__ = FrameOpt.__hash__
class ASPI(Frame):
"""Audio seek point index.
Attributes: S, L, N, b, and Fi. For the meaning of these, see
the ID3v2.4 specification. Fi is a list of integers.
"""
_framespec = [
SizedIntegerSpec("S", 4),
SizedIntegerSpec("L", 4),
SizedIntegerSpec("N", 2),
ByteSpec("b"),
ASPIIndexSpec("Fi"),
]
def __eq__(self, other):
return self.Fi == other
__hash__ = Frame.__hash__
class MLLT(Frame):
"""MPEG location lookup table.
This frame's attributes may be changed in the future based on
feedback from real-world use.
"""
_framespec = [
SizedIntegerSpec('frames', 2),
SizedIntegerSpec('bytes', 3),
SizedIntegerSpec('milliseconds', 3),
ByteSpec('bits_for_bytes'),
ByteSpec('bits_for_milliseconds'),
BinaryDataSpec('data'),
]
def __eq__(self, other):
return self.data == other
__hash__ = Frame.__hash__
class RVRB(Frame):
"""Reverb."""
_framespec = [
SizedIntegerSpec('left', 2),
SizedIntegerSpec('right', 2),
ByteSpec('bounce_left'),
ByteSpec('bounce_right'),
ByteSpec('feedback_ltl'),
ByteSpec('feedback_ltr'),
ByteSpec('feedback_rtr'),
ByteSpec('feedback_rtl'),
ByteSpec('premix_ltr'),
ByteSpec('premix_rtl'),
]
def __eq__(self, other):
return (self.left, self.right) == other
__hash__ = Frame.__hash__