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# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
from pkg_resources import parse_version
from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
from enum import Enum
import collections
if parse_version(ks_version) < parse_version('0.7'):
raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version))
class Avi(KaitaiStruct):
"""
.. seealso::
Source - https://msdn.microsoft.com/en-us/library/ms779636.aspx
"""
class ChunkType(Enum):
idx1 = 829973609
junk = 1263424842
info = 1330007625
isft = 1413894985
list = 1414744396
strf = 1718776947
avih = 1751742049
strh = 1752331379
movi = 1769369453
hdrl = 1819436136
strl = 1819440243
class StreamType(Enum):
mids = 1935960429
vids = 1935960438
auds = 1935963489
txts = 1937012852
class HandlerType(Enum):
mp3 = 85
ac3 = 8192
dts = 8193
cvid = 1684633187
xvid = 1684633208
SEQ_FIELDS = ["magic1", "file_size", "magic2", "data"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['magic1']['start'] = self._io.pos()
self.magic1 = self._io.ensure_fixed_contents(b"\x52\x49\x46\x46")
self._debug['magic1']['end'] = self._io.pos()
self._debug['file_size']['start'] = self._io.pos()
self.file_size = self._io.read_u4le()
self._debug['file_size']['end'] = self._io.pos()
self._debug['magic2']['start'] = self._io.pos()
self.magic2 = self._io.ensure_fixed_contents(b"\x41\x56\x49\x20")
self._debug['magic2']['end'] = self._io.pos()
self._debug['data']['start'] = self._io.pos()
self._raw_data = self._io.read_bytes((self.file_size - 4))
io = KaitaiStream(BytesIO(self._raw_data))
self.data = self._root.Blocks(io, self, self._root)
self.data._read()
self._debug['data']['end'] = self._io.pos()
class ListBody(KaitaiStruct):
SEQ_FIELDS = ["list_type", "data"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['list_type']['start'] = self._io.pos()
self.list_type = KaitaiStream.resolve_enum(self._root.ChunkType, self._io.read_u4le())
self._debug['list_type']['end'] = self._io.pos()
self._debug['data']['start'] = self._io.pos()
self.data = self._root.Blocks(self._io, self, self._root)
self.data._read()
self._debug['data']['end'] = self._io.pos()
class Rect(KaitaiStruct):
SEQ_FIELDS = ["left", "top", "right", "bottom"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['left']['start'] = self._io.pos()
self.left = self._io.read_s2le()
self._debug['left']['end'] = self._io.pos()
self._debug['top']['start'] = self._io.pos()
self.top = self._io.read_s2le()
self._debug['top']['end'] = self._io.pos()
self._debug['right']['start'] = self._io.pos()
self.right = self._io.read_s2le()
self._debug['right']['end'] = self._io.pos()
self._debug['bottom']['start'] = self._io.pos()
self.bottom = self._io.read_s2le()
self._debug['bottom']['end'] = self._io.pos()
class Blocks(KaitaiStruct):
SEQ_FIELDS = ["entries"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['entries']['start'] = self._io.pos()
self.entries = []
i = 0
while not self._io.is_eof():
if not 'arr' in self._debug['entries']:
self._debug['entries']['arr'] = []
self._debug['entries']['arr'].append({'start': self._io.pos()})
_t_entries = self._root.Block(self._io, self, self._root)
_t_entries._read()
self.entries.append(_t_entries)
self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos()
i += 1
self._debug['entries']['end'] = self._io.pos()
class AvihBody(KaitaiStruct):
"""Main header of an AVI file, defined as AVIMAINHEADER structure.
.. seealso::
Source - https://msdn.microsoft.com/en-us/library/ms779632.aspx
"""
SEQ_FIELDS = ["micro_sec_per_frame", "max_bytes_per_sec", "padding_granularity", "flags", "total_frames", "initial_frames", "streams", "suggested_buffer_size", "width", "height", "reserved"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['micro_sec_per_frame']['start'] = self._io.pos()
self.micro_sec_per_frame = self._io.read_u4le()
self._debug['micro_sec_per_frame']['end'] = self._io.pos()
self._debug['max_bytes_per_sec']['start'] = self._io.pos()
self.max_bytes_per_sec = self._io.read_u4le()
self._debug['max_bytes_per_sec']['end'] = self._io.pos()
self._debug['padding_granularity']['start'] = self._io.pos()
self.padding_granularity = self._io.read_u4le()
self._debug['padding_granularity']['end'] = self._io.pos()
self._debug['flags']['start'] = self._io.pos()
self.flags = self._io.read_u4le()
self._debug['flags']['end'] = self._io.pos()
self._debug['total_frames']['start'] = self._io.pos()
self.total_frames = self._io.read_u4le()
self._debug['total_frames']['end'] = self._io.pos()
self._debug['initial_frames']['start'] = self._io.pos()
self.initial_frames = self._io.read_u4le()
self._debug['initial_frames']['end'] = self._io.pos()
self._debug['streams']['start'] = self._io.pos()
self.streams = self._io.read_u4le()
self._debug['streams']['end'] = self._io.pos()
self._debug['suggested_buffer_size']['start'] = self._io.pos()
self.suggested_buffer_size = self._io.read_u4le()
self._debug['suggested_buffer_size']['end'] = self._io.pos()
self._debug['width']['start'] = self._io.pos()
self.width = self._io.read_u4le()
self._debug['width']['end'] = self._io.pos()
self._debug['height']['start'] = self._io.pos()
self.height = self._io.read_u4le()
self._debug['height']['end'] = self._io.pos()
self._debug['reserved']['start'] = self._io.pos()
self.reserved = self._io.read_bytes(16)
self._debug['reserved']['end'] = self._io.pos()
class Block(KaitaiStruct):
SEQ_FIELDS = ["four_cc", "block_size", "data"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['four_cc']['start'] = self._io.pos()
self.four_cc = KaitaiStream.resolve_enum(self._root.ChunkType, self._io.read_u4le())
self._debug['four_cc']['end'] = self._io.pos()
self._debug['block_size']['start'] = self._io.pos()
self.block_size = self._io.read_u4le()
self._debug['block_size']['end'] = self._io.pos()
self._debug['data']['start'] = self._io.pos()
_on = self.four_cc
if _on == self._root.ChunkType.list:
self._raw_data = self._io.read_bytes(self.block_size)
io = KaitaiStream(BytesIO(self._raw_data))
self.data = self._root.ListBody(io, self, self._root)
self.data._read()
elif _on == self._root.ChunkType.avih:
self._raw_data = self._io.read_bytes(self.block_size)
io = KaitaiStream(BytesIO(self._raw_data))
self.data = self._root.AvihBody(io, self, self._root)
self.data._read()
elif _on == self._root.ChunkType.strh:
self._raw_data = self._io.read_bytes(self.block_size)
io = KaitaiStream(BytesIO(self._raw_data))
self.data = self._root.StrhBody(io, self, self._root)
self.data._read()
else:
self.data = self._io.read_bytes(self.block_size)
self._debug['data']['end'] = self._io.pos()
class StrhBody(KaitaiStruct):
"""Stream header (one header per stream), defined as AVISTREAMHEADER structure.
.. seealso::
Source - https://msdn.microsoft.com/en-us/library/ms779638.aspx
"""
SEQ_FIELDS = ["fcc_type", "fcc_handler", "flags", "priority", "language", "initial_frames", "scale", "rate", "start", "length", "suggested_buffer_size", "quality", "sample_size", "frame"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['fcc_type']['start'] = self._io.pos()
self.fcc_type = KaitaiStream.resolve_enum(self._root.StreamType, self._io.read_u4le())
self._debug['fcc_type']['end'] = self._io.pos()
self._debug['fcc_handler']['start'] = self._io.pos()
self.fcc_handler = KaitaiStream.resolve_enum(self._root.HandlerType, self._io.read_u4le())
self._debug['fcc_handler']['end'] = self._io.pos()
self._debug['flags']['start'] = self._io.pos()
self.flags = self._io.read_u4le()
self._debug['flags']['end'] = self._io.pos()
self._debug['priority']['start'] = self._io.pos()
self.priority = self._io.read_u2le()
self._debug['priority']['end'] = self._io.pos()
self._debug['language']['start'] = self._io.pos()
self.language = self._io.read_u2le()
self._debug['language']['end'] = self._io.pos()
self._debug['initial_frames']['start'] = self._io.pos()
self.initial_frames = self._io.read_u4le()
self._debug['initial_frames']['end'] = self._io.pos()
self._debug['scale']['start'] = self._io.pos()
self.scale = self._io.read_u4le()
self._debug['scale']['end'] = self._io.pos()
self._debug['rate']['start'] = self._io.pos()
self.rate = self._io.read_u4le()
self._debug['rate']['end'] = self._io.pos()
self._debug['start']['start'] = self._io.pos()
self.start = self._io.read_u4le()
self._debug['start']['end'] = self._io.pos()
self._debug['length']['start'] = self._io.pos()
self.length = self._io.read_u4le()
self._debug['length']['end'] = self._io.pos()
self._debug['suggested_buffer_size']['start'] = self._io.pos()
self.suggested_buffer_size = self._io.read_u4le()
self._debug['suggested_buffer_size']['end'] = self._io.pos()
self._debug['quality']['start'] = self._io.pos()
self.quality = self._io.read_u4le()
self._debug['quality']['end'] = self._io.pos()
self._debug['sample_size']['start'] = self._io.pos()
self.sample_size = self._io.read_u4le()
self._debug['sample_size']['end'] = self._io.pos()
self._debug['frame']['start'] = self._io.pos()
self.frame = self._root.Rect(self._io, self, self._root)
self.frame._read()
self._debug['frame']['end'] = self._io.pos()
class StrfBody(KaitaiStruct):
"""Stream format description."""
SEQ_FIELDS = []
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
pass
|
