diff options
| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/avi.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/avi.py')
| -rw-r--r-- | python/examples/kaitai/avi.py | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/python/examples/kaitai/avi.py b/python/examples/kaitai/avi.py deleted file mode 100644 index 872a4f97..00000000 --- a/python/examples/kaitai/avi.py +++ /dev/null @@ -1,291 +0,0 @@ -# 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 - - - |
