Provided by: libccrtp-doc_2.0.6-3_all 
NAME
OutgoingRTPPkt -
RTP packets being sent.
SYNOPSIS
#include <rtppkt.h>
Inherits RTPPacket.
Public Member Functions
OutgoingRTPPkt (const uint32 *const csrcs, uint16 numcsrc, const unsigned char *const
hdrext, uint32 hdrextlen, const unsigned char *const data, size_t datalen, uint8
paddinglen=0, CryptoContext *pcc=NULL)
Construct a new packet to be sent, containing several contributing source identifiers,
header extensions and payload.
OutgoingRTPPkt (const uint32 *const csrcs, uint16 numcsrc, const unsigned char *const
data, size_t datalen, uint8 paddinglen=0, CryptoContext *pcc=NULL)
Construct a new packet to be sent, containing several contributing source identifiers
and payload.
OutgoingRTPPkt (const unsigned char *const data, size_t datalen, uint8 paddinglen=0,
CryptoContext *pcc=NULL)
Construct a new packet (fast variant, with no contributing sources and no header
extension) to be sent.
~OutgoingRTPPkt ()
void setPayloadType (PayloadType pt)
void setSeqNum (uint16 seq)
Sets the sequence number in the header.
void setTimestamp (uint32 pts)
void setSSRC (uint32 ssrc) const
Set synchronization source numeric identifier.
void setSSRCNetwork (uint32 ssrc) const
Set synchronization source numeric identifier.
void setMarker (bool mark)
Specify the value of the marker bit.
void protect (uint32 ssrc, CryptoContext *pcc)
Called packet is setup.
bool operator== (const OutgoingRTPPkt &p) const
Outgoing packets are equal if their sequence numbers match.
bool operator!= (const OutgoingRTPPkt &p) const
Outgoing packets are not equal if their sequence numbers differ.
Additional Inherited Members
Detailed Description
RTP packets being sent.
This class is intented to construct packet objects just before they are inserted into the
sending queue, so that they are processed in a understandable and format independent
manner inside the stack.
Author:
Federico Montesino Pouzols fedemp@altern.org
Constructor & Destructor Documentation
OutgoingRTPPkt::OutgoingRTPPkt (const uint32 *constcsrcs, uint16numcsrc, const unsigned char
*consthdrext, uint32hdrextlen, const unsigned char *constdata, size_tdatalen,
uint8paddinglen = 0, CryptoContext *pcc = NULL)
Construct a new packet to be sent, containing several contributing source identifiers,
header extensions and payload. A new copy in memory (holding all this components along
with the fixed header) is created. If the pointer to the SRTP CryptoContext is not NULL
and holds a CryptoContext for the SSRC take the SSRC data into account when computing the
required memory buffer.
Parameters:
csrcs array of countributing source 32-bit identifiers, in host order.
numcsrc number of CSRC identifiers in the array.
hdrext whole header extension.
hdrextlen size of whole header extension, in octets.
data payload.
datalen payload length, in octets.
paddinglen pad packet to a multiple of paddinglen.
pcc Pointer to the SRTP CryptoContext, defaults to NULL if not specified.
Note:
For efficiency purposes, since this constructor is valid for all packets but is too
complex for the common case, two simpler others are provided.
OutgoingRTPPkt::OutgoingRTPPkt (const uint32 *constcsrcs, uint16numcsrc, const unsigned char
*constdata, size_tdatalen, uint8paddinglen = 0, CryptoContext *pcc = NULL)
Construct a new packet to be sent, containing several contributing source identifiers and
payload. A new copy in memory (holding all this components along with the fixed header) is
created. If the pointer to the SRTP CryptoContext is not NULL and holds a CryptoContext
for the SSRC take the SSRC data into account when computing the required memory buffer.
Parameters:
csrcs array of countributing source 32-bit identifiers, in host order.
numcsrc number of CSRC identifiers in the array.
data payload.
datalen payload length, in octets.
paddinglen pad packet to a multiple of paddinglen.
pcc Pointer to the SRTP CryptoContext, defaults to NULL if not specified.
OutgoingRTPPkt::OutgoingRTPPkt (const unsigned char *constdata, size_tdatalen, uint8paddinglen
= 0, CryptoContext *pcc = NULL)
Construct a new packet (fast variant, with no contributing sources and no header
extension) to be sent. A new copy in memory (holding the whole packet) is created. If the
pointer to the SRTP CryptoContext is not NULL and holds a CryptoContext for the SSRC take
the SSRC data into account when computing the required memory buffer.
Parameters:
data payload.
datalen payload length, in octets.
paddinglen pad packet to a multiple of paddinglen.
pcc Pointer to the SRTP CryptoContext, defaults to NULL if not specified.
OutgoingRTPPkt::~OutgoingRTPPkt () [inline]
Member Function Documentation
bool OutgoingRTPPkt::operator!= (const OutgoingRTPPkt &p) const [inline]
Outgoing packets are not equal if their sequence numbers differ.
bool OutgoingRTPPkt::operator== (const OutgoingRTPPkt &p) const [inline]
Outgoing packets are equal if their sequence numbers match.
void OutgoingRTPPkt::protect (uint32ssrc, CryptoContext *pcc)
Called packet is setup. This private method computes the SRTP data and stores it in the
packet. Then encrypt the payload data (ex padding).
void OutgoingRTPPkt::setMarker (boolmark) [inline]
Specify the value of the marker bit. By default, the marker bit of outgoing packets is
false/0. This method allows one to explicity specify and change that value.
Parameters:
mark value for the market bit.
void OutgoingRTPPkt::setPayloadType (PayloadTypept) [inline]
Parameters:
pt Packet payload type.
void OutgoingRTPPkt::setSeqNum (uint16seq) [inline]
Sets the sequence number in the header.
Parameters:
seq Packet sequence number, in host order.
void OutgoingRTPPkt::setSSRC (uint32ssrc) const [inline]
Set synchronization source numeric identifier.
Parameters:
ssrc 32-bit Synchronization SouRCe numeric identifier, in host order.
void OutgoingRTPPkt::setSSRCNetwork (uint32ssrc) const [inline]
Set synchronization source numeric identifier. Special version to save endianness
conversion.
Parameters:
ssrc 32-bit Synchronization SouRCe numeric identifier, in network order.
void OutgoingRTPPkt::setTimestamp (uint32pts) [inline]
Parameters:
pts Packet timestamp, in host order.
Author
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