SickGear/lib/hachoir_parser/audio/ipod_playcounts.py

60 lines
2.1 KiB
Python

"""
iPod Play Count parser.
Documentation:
- http://ipl.derpapst.org/wiki/ITunesDB/Play_Counts_File
(formerly known as http://ipodlinux.org)
Author: m42i
Creation date: 01 March 2014
"""
from hachoir_parser import Parser
from hachoir_core.field import (FieldSet,
UInt8, UInt16, UInt32, Int32, UInt64, TimestampMac32,
String, Float32, NullBytes, Enum, RawBytes)
from hachoir_core.endian import LITTLE_ENDIAN
from hachoir_core.tools import humanDuration
from hachoir_core.text_handler import displayHandler, filesizeHandler
class PlayCountFile(Parser):
PARSER_TAGS = {
"id": "playcounts",
"category": "audio",
"min_size": 44*8,
"magic": (('mhdp',0),),
"description": "iPod Play Counts file"
}
endian = LITTLE_ENDIAN
def validate(self):
return self.stream.readBytes(0, 4) == 'mhdp'
def createFields(self):
yield String(self, "header_id", 4, "Play Count Header Markup (\"mhdp\")", charset="ISO-8859-1")
yield UInt32(self, "header_length", "Header Length")
yield UInt32(self, "entry_length", "Single Entry Length")
yield UInt32(self, "entry_number", "Number of Songs on iPod")
padding = self.seekByte(self["header_length"].value, "header padding")
if padding:
yield padding
for i in xrange(self["entry_number"].value):
yield PlayCountEntry(self, "track[]")
class PlayCountEntry(FieldSet):
def __init__(self, *args, **kw):
FieldSet.__init__(self, *args, **kw)
self._size = 28*8
def createFields(self):
yield UInt32(self, "play_count", "Playcount since last sync")
yield TimestampMac32(self, "last_played", "Time of the last play of the track")
yield UInt32(self, "audio_bookmark", "Last position in milliseconds")
yield UInt32(self, "rating", "Rating in steps of 20 up to 100")
yield UInt32(self, "unknown", "unknown")
yield UInt32(self, "skip_count", "Number of skips since last sync")
yield TimestampMac32(self, "last_skipped", "Time of the last skip")