int main(void)
{
int status,i;
RTPSession s;
RTPSessionParams sessparams;
RTPUDPv4TransmissionParams transparams;
char blaai[100];
transparams.SetPortbase(10000);
sessparams.SetOwnTimestampUnit(1.0/8000.0);
sessparams.SetUsePollThread(true);
sessparams.SetMaximumPacketSize(10000);
status = s.Create(sessparams,&transparams);
s.SetLocalName((const uint8_t *)"Jori Liesenborgs",16);
s.SetLocalEMail((const uint8_t *)"*****@*****.**",20);
s.SetLocalNote((const uint8_t *)"Blaai",5);
s.SetNameInterval(3);
s.SetEMailInterval(5);
s.SetNoteInterval(2);
status = s.AddDestination(RTPIPv4Address(ntohl(inet_addr("192.168.2.115")),5000));
//status = s.AddDestination(RTPIPv4Address(ntohl(inet_addr("127.0.0.1")),7000));
int snd = open("/dev/dsp",O_RDWR);
int val;
val = 0;
status = ioctl(snd,SNDCTL_DSP_STEREO,&val);
val = 8;
status = ioctl(snd,SNDCTL_DSP_SAMPLESIZE,&val);
val = 8000;
status = ioctl(snd,SNDCTL_DSP_SPEED,&val);
val = 7 | (128<<16);
ioctl(snd,SNDCTL_DSP_SETFRAGMENT,&val);
i = 0;
while (i++ < 40000)
{
if (i == 1000)
{
//std::cout <<"Disabling note" << std::endl;
s.SetNoteInterval(0);
}
uint8_t data[PACKSIZE];
RTPTime t1 = RTPTime::CurrentTime();
status = read(snd,data,PACKSIZE);
RTPTime t2 = RTPTime::CurrentTime();
t2 -= t1;
printf("%d.%06d\n",t2.GetSeconds(),t2.GetMicroSeconds());
status = s.SendPacket(data,PACKSIZE,1,false,PACKSIZE);
}
close(snd);
printf("Destroying...\n");
s.BYEDestroy(RTPTime(10,0),(const uint8_t *)"Leaving session",16);
return 0;
}
// Thread function for RTP session.
static void* rtpSessionThread(void *arg)
{
VideoStream* video = reinterpret_cast<VideoStream*>(arg);
u_int8_t bigBuffer[MAX_FRAME_SIZE];
unsigned int lastPacketTimestamp = 0;
unsigned int currentIndex = 0;
double last_time = 0;
RTPSession session = createRtpSession(video->getMulticastIP(),
video->getPort());
while (1) {
session.Poll();
// Distribute data from the session to connected clients if we've
// got anything
session.BeginDataAccess();
if (session.GotoFirstSourceWithData()) {
do {
RTPPacket *packet = NULL;
while ((packet = session.GetNextPacket()) != NULL) {
if ((packet->GetPayloadLength() > sizeof(bigBuffer)) ||
(packet->GetPayloadLength() == 0)) {
// Free the packet, we're not going to use it.
session.DeletePacket(packet);
continue; // Exit this level of the loop and drop it
}
// Check timestamps for new data. A new timestamp means
// this is from a different time.
if (packet->GetTimestamp() != lastPacketTimestamp) {
video->decode((uint8_t*)&bigBuffer[0], currentIndex);
currentIndex = 0;
memset(&bigBuffer[0], 0, sizeof(bigBuffer));
} // End new timestamp optimization.
// Copy data into buffer
if (currentIndex + packet->GetPayloadLength() > sizeof(bigBuffer)) {
throw std::runtime_error("Frame buffer overflow");
}
memcpy(&bigBuffer[currentIndex], packet->GetPayloadData(),
packet->GetPayloadLength());
currentIndex += packet->GetPayloadLength();
// Mark our last timestamp
lastPacketTimestamp = packet->GetTimestamp();
// Free the packet.
session.DeletePacket(packet);
}
} while (session.GotoNextSourceWithData());
}
session.EndDataAccess();
RTPTime delay(0, 100); // 100usec
// Update More Data
bool moreData;
session.WaitForIncomingData(delay, &moreData);
}
// Leave the session while sending BYE.
RTPTime timeout(0.75f); // Wait briefly.
const char* reason = "Session Destroyed.";
unsigned int reasonlen = strlen(reason);
if (session.IsActive())
session.BYEDestroy(timeout, reason, reasonlen);
}
/***********************************************************************************************************
**函数:Rtp_Lock
**功能:
**输入参数:
**返回值:
***********************************************************************************************************/
static int RtpUnSetup(void)
{
sess.BYEDestroy(RTPTime(10,0),0,0);
return 0;
}
