liveMedia/RTCP.cpp File Reference

#include "RTCP.hh"
#include "GroupsockHelper.hh"
#include "rtcp_from_spec.h"

Include dependency graph for RTCP.cpp:

Go to the source code of this file.

Data Structures
class	RTCPMemberDatabase
struct	RRHandlerRecord
Defines
#define	ADVANCE(n)   pkt += (n); packetSize -= (n)
Functions
static double	dTimeNow ()
void	Schedule (double nextTime, event e)
void	Reschedule (double nextTime, event e)
void	SendRTCPReport (event e)
void	SendBYEPacket (event e)
int	TypeOfEvent (event e)
int	SentPacketSize (event e)
int	PacketType (packet p)
int	ReceivedPacketSize (packet p)
int	NewMember (packet p)
int	NewSender (packet)
void	AddMember (packet)
void	AddSender (packet)
void	RemoveMember (packet p)
void	RemoveSender (packet)
double	drand30 ()
Variables
static unsigned const	maxRTCPPacketSize = 1450
static unsigned const	preferredPacketSize = 1000
static unsigned const	IP_UDP_HDR_SIZE = 28

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Define Documentation

#define ADVANCE

(

n

)

pkt += (n); packetSize -= (n)

Definition at line 315 of file RTCP.cpp.

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Function Documentation

void AddMember

(

packet

)

Definition at line 1018 of file RTCP.cpp.

Referenced by OnReceive().

                                        {
  // Do nothing; all of the real work was done when NewMember() was called
}

void AddSender

(

packet

)

Definition at line 1022 of file RTCP.cpp.

Referenced by OnReceive().

                                        {
  // we don't yet recognize senders other than ourselves #####
}

double drand30

(

)

Definition at line 1037 of file RTCP.cpp.

References our_random().

                            {
  unsigned tmp = our_random()&0x3FFFFFFF; // a random 30-bit integer
  return tmp/(double)(1024*1024*1024);
}

static double dTimeNow

(

)

[static]

Definition at line 110 of file RTCP.cpp.

References NULL.

Referenced by RTCPInstance::onExpire1(), RTCPInstance::RTCPInstance(), and RTCPInstance::schedule().

                         {
    struct timeval timeNow;
    gettimeofday(&timeNow, NULL);
    return (double) (timeNow.tv_sec + timeNow.tv_usec/1000000.0);
}

int NewMember

(

packet

p

)

Definition at line 1007 of file RTCP.cpp.

References RTCPInstance::checkNewSSRC(), and NULL.

Referenced by OnReceive().

                                   {
  RTCPInstance* instance = (RTCPInstance*)p;
  if (instance == NULL) return 0;

  return instance->checkNewSSRC();
}

int NewSender

(

packet

)

Definition at line 1014 of file RTCP.cpp.

Referenced by OnReceive().

                                       {
  return 0; // we don't yet recognize senders other than ourselves #####
}

int PacketType

(

packet

p

)

Definition at line 993 of file RTCP.cpp.

References NULL, PACKET_UNKNOWN_TYPE, and RTCPInstance::packetType().

Referenced by OnReceive().

                                    {
  RTCPInstance* instance = (RTCPInstance*)p;
  if (instance == NULL) return PACKET_UNKNOWN_TYPE;

  return instance->packetType();
}

int ReceivedPacketSize

(

packet

p

)

Definition at line 1000 of file RTCP.cpp.

References NULL, and RTCPInstance::receivedPacketSize().

Referenced by OnReceive().

                                            {
  RTCPInstance* instance = (RTCPInstance*)p;
  if (instance == NULL) return 0;

  return instance->receivedPacketSize();
}

void RemoveMember

(

packet

p

)

Definition at line 1026 of file RTCP.cpp.

References NULL, and RTCPInstance::removeLastReceivedSSRC().

Referenced by OnReceive().

                                       {
  RTCPInstance* instance = (RTCPInstance*)p;
  if (instance == NULL) return;

  instance->removeLastReceivedSSRC();
}

void RemoveSender

(

packet

)

Definition at line 1033 of file RTCP.cpp.

Referenced by OnReceive().

                                           {
  // we don't yet recognize senders other than ourselves #####
}

void Reschedule	(	double	nextTime,
		event	e
	)

Definition at line 958 of file RTCP.cpp.

References NULL, and RTCPInstance::reschedule().

Referenced by OnReceive().

                                                     {
  RTCPInstance* instance = (RTCPInstance*)e;
  if (instance == NULL) return;

  instance->reschedule(nextTime);
}

void Schedule	(	double	nextTime,
		event	e
	)

Definition at line 951 of file RTCP.cpp.

References NULL, and RTCPInstance::schedule().

Referenced by OnExpire().

                                                   {
  RTCPInstance* instance = (RTCPInstance*)e;
  if (instance == NULL) return;

  instance->schedule(nextTime);
}

void SendBYEPacket

(

event

e

)

Definition at line 972 of file RTCP.cpp.

References NULL, and RTCPInstance::sendBYE().

Referenced by OnExpire().

                                       {
  RTCPInstance* instance = (RTCPInstance*)e;
  if (instance == NULL) return;

  instance->sendBYE();
}

void SendRTCPReport

(

event

e

)

Definition at line 965 of file RTCP.cpp.

References NULL, and RTCPInstance::sendReport().

Referenced by OnExpire().

                                        {
  RTCPInstance* instance = (RTCPInstance*)e;
  if (instance == NULL) return;

  instance->sendReport();
}

int SentPacketSize

(

event

e

)

Definition at line 986 of file RTCP.cpp.

References NULL, and RTCPInstance::sentPacketSize().

Referenced by OnExpire().

                                       {
  RTCPInstance* instance = (RTCPInstance*)e;
  if (instance == NULL) return 0;

  return instance->sentPacketSize();
}

int TypeOfEvent

(

event

e

)

Definition at line 979 of file RTCP.cpp.

References EVENT_UNKNOWN, NULL, and RTCPInstance::typeOfEvent().

Referenced by OnExpire(), and OnReceive().

                                    {
  RTCPInstance* instance = (RTCPInstance*)e;
  if (instance == NULL) return EVENT_UNKNOWN;

  return instance->typeOfEvent();
}

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Variable Documentation

unsigned const IP_UDP_HDR_SIZE = 28 [static]

Definition at line 312 of file RTCP.cpp.

Referenced by RTCPInstance::incomingReportHandler1(), and RTCPInstance::sendBuiltPacket().

unsigned const maxRTCPPacketSize = 1450 [static]

Definition at line 116 of file RTCP.cpp.

Referenced by RTCPInstance::incomingReportHandler1(), and RTCPInstance::RTCPInstance().

unsigned const preferredPacketSize = 1000 [static]

Definition at line 118 of file RTCP.cpp.

Referenced by RTCPInstance::RTCPInstance().

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