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authorHanoh Haim <hhaim@cisco.com>2015-09-20 17:34:55 +0300
committerHanoh Haim <hhaim@cisco.com>2015-09-20 17:34:55 +0300
commit3fe28431157f7b2ed2ed8184ed85017c42a4cb6c (patch)
tree41fa17684842885e1664cc63ff1520157f191261 /scripts/external_libs/dpkt-1.8.6/dpkt/rtp.py
parent588bb20e9c8f8438db4eb3e8db85111f41bd7306 (diff)
parent28fef018f75b5a54ac69ac7c919127bf47f5b61f (diff)
Merge branch 'master' of csi-sceasr-b45:/auto/proj-pcube-b/apps/PL-b/tools/repo//trex-core into wen
Diffstat (limited to 'scripts/external_libs/dpkt-1.8.6/dpkt/rtp.py')
-rw-r--r--scripts/external_libs/dpkt-1.8.6/dpkt/rtp.py70
1 files changed, 70 insertions, 0 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/rtp.py b/scripts/external_libs/dpkt-1.8.6/dpkt/rtp.py
new file mode 100644
index 00000000..65fd0b98
--- /dev/null
+++ b/scripts/external_libs/dpkt-1.8.6/dpkt/rtp.py
@@ -0,0 +1,70 @@
+# $Id: rtp.py 23 2006-11-08 15:45:33Z dugsong $
+
+"""Real-Time Transport Protocol"""
+
+from dpkt import Packet
+
+# version 1100 0000 0000 0000 ! 0xC000 14
+# p 0010 0000 0000 0000 ! 0x2000 13
+# x 0001 0000 0000 0000 ! 0x1000 12
+# cc 0000 1111 0000 0000 ! 0x0F00 8
+# m 0000 0000 1000 0000 ! 0x0080 7
+# pt 0000 0000 0111 1111 ! 0x007F 0
+#
+
+_VERSION_MASK= 0xC000
+_P_MASK = 0x2000
+_X_MASK = 0x1000
+_CC_MASK = 0x0F00
+_M_MASK = 0x0080
+_PT_MASK = 0x007F
+_VERSION_SHIFT=14
+_P_SHIFT = 13
+_X_SHIFT = 12
+_CC_SHIFT = 8
+_M_SHIFT = 7
+_PT_SHIFT = 0
+
+VERSION = 2
+
+class RTP(Packet):
+ __hdr__ = (
+ ('_type', 'H', 0x8000),
+ ('seq', 'H', 0),
+ ('ts', 'I', 0),
+ ('ssrc', 'I', 0),
+ )
+ csrc = ''
+
+ def _get_version(self): return (self._type&_VERSION_MASK)>>_VERSION_SHIFT
+ def _set_version(self, ver):
+ self._type = (ver << _VERSION_SHIFT) | (self._type & ~_VERSION_MASK)
+ def _get_p(self): return (self._type & _P_MASK) >> _P_SHIFT
+ def _set_p(self, p): self._type = (p << _P_SHIFT) | (self._type & ~_P_MASK)
+ def _get_x(self): return (self._type & _X_MASK) >> _X_SHIFT
+ def _set_x(self, x): self._type = (x << _X_SHIFT) | (self._type & ~_X_MASK)
+ def _get_cc(self): return (self._type & _CC_MASK) >> _CC_SHIFT
+ def _set_cc(self, cc): self._type = (cc<<_CC_SHIFT)|(self._type&~_CC_MASK)
+ def _get_m(self): return (self._type & _M_MASK) >> _M_SHIFT
+ def _set_m(self, m): self._type = (m << _M_SHIFT) | (self._type & ~_M_MASK)
+ def _get_pt(self): return (self._type & _PT_MASK) >> _PT_SHIFT
+ def _set_pt(self, m): self._type = (m << _PT_SHIFT)|(self._type&~_PT_MASK)
+
+ version = property(_get_version, _set_version)
+ p = property(_get_p, _set_p)
+ x = property(_get_x, _set_x)
+ cc = property(_get_cc, _set_cc)
+ m = property(_get_m, _set_m)
+ pt = property(_get_pt, _set_pt)
+
+ def __len__(self):
+ return self.__hdr_len__ + len(self.csrc) + len(self.data)
+
+ def __str__(self):
+ return self.pack_hdr() + self.csrc + str(self.data)
+
+ def unpack(self, buf):
+ super(RTP, self).unpack(buf)
+ self.csrc = buf[self.__hdr_len__:self.__hdr_len__ + self.cc * 4]
+ self.data = buf[self.__hdr_len__ + self.cc * 4:]
+