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authorXusheng <xusheng@vector35.com>2021-07-01 12:34:30 +0800
committerXusheng Li <xushengli@protonmail.com>2021-07-05 10:11:47 +0800
commit13ff200ba134b8704f37eca99c42b70dab0d17dc (patch)
tree876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/rtp_packet.py
parent4039a800349dcd587833d3e27d9137e4649818f4 (diff)
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/rtp_packet.py')
-rw-r--r--python/examples/kaitai/rtp_packet.py149
1 files changed, 0 insertions, 149 deletions
diff --git a/python/examples/kaitai/rtp_packet.py b/python/examples/kaitai/rtp_packet.py
deleted file mode 100644
index cedcd0f9..00000000
--- a/python/examples/kaitai/rtp_packet.py
+++ /dev/null
@@ -1,149 +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 RtpPacket(KaitaiStruct):
- """The Real-time Transport Protocol (RTP) is a widely used network
- protocol for transmitting audio or video. It usually works with the
- RTP Control Protocol (RTCP). The transmission can be based on
- Transmission Control Protocol (TCP) or User Datagram Protocol (UDP).
- """
-
- class PayloadTypeEnum(Enum):
- pcmu = 0
- reserved1 = 1
- reserved2 = 2
- gsm = 3
- g723 = 4
- dvi4_1 = 5
- dvi4_2 = 6
- lpc = 7
- pama = 8
- g722 = 9
- l16_1 = 10
- l16_2 = 11
- qcelp = 12
- cn = 13
- mpa = 14
- g728 = 15
- dvi4_3 = 16
- dvi4_4 = 17
- g729 = 18
- reserved3 = 19
- unassigned1 = 20
- unassigned2 = 21
- unassigned3 = 22
- unassigned4 = 23
- unassigned5 = 24
- celb = 25
- jpeg = 26
- unassigned6 = 27
- nv = 28
- unassigned7 = 29
- unassigned8 = 30
- h261 = 31
- mpv = 32
- mp2t = 33
- h263 = 34
- mpeg_ps = 96
- SEQ_FIELDS = ["version", "has_padding", "has_extension", "csrc_count", "marker", "payload_type", "sequence_number", "timestamp", "ssrc", "header_extension", "data", "padding"]
- 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['version']['start'] = self._io.pos()
- self.version = self._io.read_bits_int(2)
- self._debug['version']['end'] = self._io.pos()
- self._debug['has_padding']['start'] = self._io.pos()
- self.has_padding = self._io.read_bits_int(1) != 0
- self._debug['has_padding']['end'] = self._io.pos()
- self._debug['has_extension']['start'] = self._io.pos()
- self.has_extension = self._io.read_bits_int(1) != 0
- self._debug['has_extension']['end'] = self._io.pos()
- self._debug['csrc_count']['start'] = self._io.pos()
- self.csrc_count = self._io.read_bits_int(4)
- self._debug['csrc_count']['end'] = self._io.pos()
- self._debug['marker']['start'] = self._io.pos()
- self.marker = self._io.read_bits_int(1) != 0
- self._debug['marker']['end'] = self._io.pos()
- self._debug['payload_type']['start'] = self._io.pos()
- self.payload_type = KaitaiStream.resolve_enum(self._root.PayloadTypeEnum, self._io.read_bits_int(7))
- self._debug['payload_type']['end'] = self._io.pos()
- self._io.align_to_byte()
- self._debug['sequence_number']['start'] = self._io.pos()
- self.sequence_number = self._io.read_u2be()
- self._debug['sequence_number']['end'] = self._io.pos()
- self._debug['timestamp']['start'] = self._io.pos()
- self.timestamp = self._io.read_u4be()
- self._debug['timestamp']['end'] = self._io.pos()
- self._debug['ssrc']['start'] = self._io.pos()
- self.ssrc = self._io.read_u4be()
- self._debug['ssrc']['end'] = self._io.pos()
- if self.has_extension:
- self._debug['header_extension']['start'] = self._io.pos()
- self.header_extension = self._root.HeaderExtention(self._io, self, self._root)
- self.header_extension._read()
- self._debug['header_extension']['end'] = self._io.pos()
-
- self._debug['data']['start'] = self._io.pos()
- self.data = self._io.read_bytes(((self._io.size() - self._io.pos()) - self.len_padding))
- self._debug['data']['end'] = self._io.pos()
- self._debug['padding']['start'] = self._io.pos()
- self.padding = self._io.read_bytes(self.len_padding)
- self._debug['padding']['end'] = self._io.pos()
-
- class HeaderExtention(KaitaiStruct):
- SEQ_FIELDS = ["id", "length"]
- 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['id']['start'] = self._io.pos()
- self.id = self._io.read_u2be()
- self._debug['id']['end'] = self._io.pos()
- self._debug['length']['start'] = self._io.pos()
- self.length = self._io.read_u2be()
- self._debug['length']['end'] = self._io.pos()
-
-
- @property
- def len_padding_if_exists(self):
- """If padding bit is enabled, last byte of data contains number of
- bytes appended to the payload as padding.
- """
- if hasattr(self, '_m_len_padding_if_exists'):
- return self._m_len_padding_if_exists if hasattr(self, '_m_len_padding_if_exists') else None
-
- if self.has_padding:
- _pos = self._io.pos()
- self._io.seek((self._io.size() - 1))
- self._debug['_m_len_padding_if_exists']['start'] = self._io.pos()
- self._m_len_padding_if_exists = self._io.read_u1()
- self._debug['_m_len_padding_if_exists']['end'] = self._io.pos()
- self._io.seek(_pos)
-
- return self._m_len_padding_if_exists if hasattr(self, '_m_len_padding_if_exists') else None
-
- @property
- def len_padding(self):
- """Always returns number of padding bytes to in the payload."""
- if hasattr(self, '_m_len_padding'):
- return self._m_len_padding if hasattr(self, '_m_len_padding') else None
-
- self._m_len_padding = (self.len_padding_if_exists if self.has_padding else 0)
- return self._m_len_padding if hasattr(self, '_m_len_padding') else None
-
-