mirror of
https://github.com/moparisthebest/SickRage
synced 2024-08-13 16:53:54 -04:00
0d9fbc1ad7
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer. Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer. Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk! Enjoy!
350 lines
12 KiB
Python
350 lines
12 KiB
Python
#
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# Ogg parser
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# Author Julien Muchembled <jm AT jm10.no-ip.com>
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# Created: 10 june 2006
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#
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from lib.hachoir_parser import Parser
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from lib.hachoir_core.field import (Field, FieldSet, createOrphanField,
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NullBits, Bit, Bits, Enum, Fragment, MissingField, ParserError,
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UInt8, UInt16, UInt24, UInt32, UInt64,
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RawBytes, String, PascalString32, NullBytes)
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from lib.hachoir_core.stream import FragmentedStream, InputStreamError
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from lib.hachoir_core.endian import LITTLE_ENDIAN, BIG_ENDIAN
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from lib.hachoir_core.tools import humanDurationNanosec
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from lib.hachoir_core.text_handler import textHandler, hexadecimal
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MAX_FILESIZE = 1000 * 1024 * 1024
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class XiphInt(Field):
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"""
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Positive integer with variable size. Values bigger than 254 are stored as
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(255, 255, ..., rest): value is the sum of all bytes.
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Example: 1000 is stored as (255, 255, 255, 235), total = 255*3+235 = 1000
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"""
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def __init__(self, parent, name, max_size=None, description=None):
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Field.__init__(self, parent, name, size=0, description=description)
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value = 0
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addr = self.absolute_address
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while max_size is None or self._size < max_size:
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byte = parent.stream.readBits(addr, 8, LITTLE_ENDIAN)
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value += byte
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self._size += 8
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if byte != 0xff:
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break
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addr += 8
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self.createValue = lambda: value
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class Lacing(FieldSet):
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def createFields(self):
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size = self.size
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while size:
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field = XiphInt(self, 'size[]', size)
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yield field
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size -= field.size
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def parseVorbisComment(parent):
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yield PascalString32(parent, 'vendor', charset="UTF-8")
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yield UInt32(parent, 'count')
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for index in xrange(parent["count"].value):
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yield PascalString32(parent, 'metadata[]', charset="UTF-8")
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if parent.current_size != parent.size:
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yield UInt8(parent, "framing_flag")
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PIXEL_FORMATS = {
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0: "4:2:0",
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2: "4:2:2",
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3: "4:4:4",
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}
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def formatTimeUnit(field):
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return humanDurationNanosec(field.value * 100)
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def parseVideoHeader(parent):
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yield NullBytes(parent, "padding[]", 2)
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yield String(parent, "fourcc", 4)
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yield UInt32(parent, "size")
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yield textHandler(UInt64(parent, "time_unit", "Frame duration"), formatTimeUnit)
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yield UInt64(parent, "sample_per_unit")
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yield UInt32(parent, "default_len")
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yield UInt32(parent, "buffer_size")
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yield UInt16(parent, "bits_per_sample")
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yield NullBytes(parent, "padding[]", 2)
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yield UInt32(parent, "width")
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yield UInt32(parent, "height")
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yield NullBytes(parent, "padding[]", 4)
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def parseTheoraHeader(parent):
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yield UInt8(parent, "version_major")
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yield UInt8(parent, "version_minor")
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yield UInt8(parent, "version_revision")
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yield UInt16(parent, "width", "Width*16 in pixel")
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yield UInt16(parent, "height", "Height*16 in pixel")
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yield UInt24(parent, "frame_width")
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yield UInt24(parent, "frame_height")
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yield UInt8(parent, "offset_x")
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yield UInt8(parent, "offset_y")
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yield UInt32(parent, "fps_num", "Frame per second numerator")
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yield UInt32(parent, "fps_den", "Frame per second denominator")
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yield UInt24(parent, "aspect_ratio_num", "Aspect ratio numerator")
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yield UInt24(parent, "aspect_ratio_den", "Aspect ratio denominator")
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yield UInt8(parent, "color_space")
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yield UInt24(parent, "target_bitrate")
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yield Bits(parent, "quality", 6)
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yield Bits(parent, "gp_shift", 5)
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yield Enum(Bits(parent, "pixel_format", 2), PIXEL_FORMATS)
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yield Bits(parent, "spare_config", 3)
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def parseVorbisHeader(parent):
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yield UInt32(parent, "vorbis_version")
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yield UInt8(parent, "audio_channels")
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yield UInt32(parent, "audio_sample_rate")
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yield UInt32(parent, "bitrate_maximum")
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yield UInt32(parent, "bitrate_nominal")
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yield UInt32(parent, "bitrate_minimum")
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yield Bits(parent, "blocksize_0", 4)
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yield Bits(parent, "blocksize_1", 4)
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yield UInt8(parent, "framing_flag")
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class Chunk(FieldSet):
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tag_info = {
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"vorbis": {
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3: ("comment", parseVorbisComment),
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1: ("vorbis_hdr", parseVorbisHeader),
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}, "theora": {
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128: ("theora_hdr", parseTheoraHeader),
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129: ("comment", parseVorbisComment),
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}, "video\0": {
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1: ("video_hdr", parseVideoHeader),
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},
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}
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def __init__(self, *args, **kw):
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FieldSet.__init__(self, *args, **kw)
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if 7*8 <= self.size:
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try:
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self._name, self.parser = self.tag_info[self["codec"].value][self["type"].value]
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if self._name == "theora_hdr":
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self.endian = BIG_ENDIAN
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except KeyError:
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self.parser = None
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else:
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self.parser = None
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def createFields(self):
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if 7*8 <= self.size:
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yield UInt8(self, 'type')
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yield String(self, 'codec', 6)
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if self.parser:
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for field in self.parser(self):
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yield field
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else:
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size = (self.size - self.current_size) // 8
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if size:
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yield RawBytes(self, "raw", size)
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class Packets:
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def __init__(self, first):
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self.first = first
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def __iter__(self):
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fragment = self.first
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size = None
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while fragment is not None:
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page = fragment.parent
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continued_packet = page["continued_packet"].value
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for segment_size in page.segment_size:
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if continued_packet:
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size += segment_size
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continued_packet = False
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else:
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if size:
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yield size * 8
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size = segment_size
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fragment = fragment.next
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if size:
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yield size * 8
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class Segments(Fragment):
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def __init__(self, parent, *args, **kw):
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Fragment.__init__(self, parent, *args, **kw)
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if parent['last_page'].value:
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next = None
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else:
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next = self.createNext
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self.setLinks(parent.parent.streams.setdefault(parent['serial'].value, self), next)
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def _createInputStream(self, **args):
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if self.first is self:
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return FragmentedStream(self, packets=Packets(self), tags=[("id","ogg_stream")], **args)
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return Fragment._createInputStream(self, **args)
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def _getData(self):
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return self
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def createNext(self):
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parent = self.parent
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index = parent.index
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parent = parent.parent
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first = self.first
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try:
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while True:
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index += 1
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next = parent[index][self.name]
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if next.first is first:
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return next
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except MissingField:
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pass
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def createFields(self):
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for segment_size in self.parent.segment_size:
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if segment_size:
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yield Chunk(self, "chunk[]", size=segment_size*8)
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class OggPage(FieldSet):
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MAGIC = "OggS"
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def __init__(self, *args):
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FieldSet.__init__(self, *args)
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size = 27
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self.lacing_size = self['lacing_size'].value
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if self.lacing_size:
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size += self.lacing_size
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lacing = self['lacing']
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self.segment_size = [ field.value for field in lacing ]
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size += sum(self.segment_size)
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self._size = size * 8
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def createFields(self):
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yield String(self, 'capture_pattern', 4, charset="ASCII")
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if self['capture_pattern'].value != self.MAGIC:
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self.warning('Invalid signature. An Ogg page must start with "%s".' % self.MAGIC)
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yield UInt8(self, 'stream_structure_version')
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yield Bit(self, 'continued_packet')
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yield Bit(self, 'first_page')
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yield Bit(self, 'last_page')
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yield NullBits(self, 'unused', 5)
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yield UInt64(self, 'abs_granule_pos')
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yield textHandler(UInt32(self, 'serial'), hexadecimal)
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yield UInt32(self, 'page')
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yield textHandler(UInt32(self, 'checksum'), hexadecimal)
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yield UInt8(self, 'lacing_size')
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if self.lacing_size:
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yield Lacing(self, "lacing", size=self.lacing_size*8)
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yield Segments(self, "segments", size=self._size-self._current_size)
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def validate(self):
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if self['capture_pattern'].value != self.MAGIC:
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return "Wrong signature"
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if self['stream_structure_version'].value != 0:
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return "Unknown structure version (%s)" % self['stream_structure_version'].value
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return ""
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class OggFile(Parser):
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PARSER_TAGS = {
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"id": "ogg",
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"category": "container",
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"file_ext": ("ogg", "ogm"),
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"mime": (
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u"application/ogg", u"application/x-ogg",
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u"audio/ogg", u"audio/x-ogg",
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u"video/ogg", u"video/x-ogg",
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u"video/theora", u"video/x-theora",
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),
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"magic": ((OggPage.MAGIC, 0),),
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"subfile": "skip",
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"min_size": 28*8,
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"description": "Ogg multimedia container"
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}
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endian = LITTLE_ENDIAN
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def validate(self):
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magic = OggPage.MAGIC
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if self.stream.readBytes(0, len(magic)) != magic:
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return "Invalid magic string"
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# Validate first 3 pages
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for index in xrange(3):
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try:
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page = self[index]
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except MissingField:
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if self.done:
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return True
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return "Unable to get page #%u" % index
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except (InputStreamError, ParserError):
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return "Unable to create page #%u" % index
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err = page.validate()
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if err:
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return "Invalid page #%s: %s" % (index, err)
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return True
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def createMimeType(self):
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if "theora_hdr" in self["page[0]/segments"]:
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return u"video/theora"
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elif "vorbis_hdr" in self["page[0]/segments"]:
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return u"audio/vorbis"
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else:
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return u"application/ogg"
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def createDescription(self):
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if "theora_hdr" in self["page[0]"]:
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return u"Ogg/Theora video"
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elif "vorbis_hdr" in self["page[0]"]:
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return u"Ogg/Vorbis audio"
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else:
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return u"Ogg multimedia container"
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def createFields(self):
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self.streams = {}
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while not self.eof:
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yield OggPage(self, "page[]")
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def createLastPage(self):
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start = self[0].size
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end = MAX_FILESIZE * 8
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if True:
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# FIXME: This doesn't work on all files (eg. some Ogg/Theora)
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offset = self.stream.searchBytes("OggS\0\5", start, end)
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if offset is None:
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offset = self.stream.searchBytes("OggS\0\4", start, end)
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if offset is None:
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return None
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return createOrphanField(self, offset, OggPage, "page")
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else:
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# Very slow version
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page = None
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while True:
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offset = self.stream.searchBytes("OggS\0", start, end)
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if offset is None:
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break
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page = createOrphanField(self, offset, OggPage, "page")
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start += page.size
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return page
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def createContentSize(self):
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page = self.createLastPage()
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if page:
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return page.absolute_address + page.size
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else:
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return None
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class OggStream(Parser):
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PARSER_TAGS = {
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"id": "ogg_stream",
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"category": "container",
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"subfile": "skip",
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"min_size": 7*8,
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"description": "Ogg logical stream"
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}
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endian = LITTLE_ENDIAN
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def validate(self):
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return False
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def createFields(self):
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for size in self.stream.packets:
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yield RawBytes(self, "packet[]", size//8)
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