// The following function should delete rtppack if necessary
int RTPInternalSourceData::ProcessRTPPacket(RTPPacket *rtppack,const RTPTime &receivetime,bool *stored)
{
bool accept,onprobation,applyprobation;
double tsunit;
*stored = false;
if (timestampunit < 0)
tsunit = INF_GetEstimatedTimestampUnit();
else
tsunit = timestampunit;
#ifdef RTP_SUPPORT_PROBATION
if (validated) // If the source is our own process, we can already be validated. No
applyprobation = false; // probation should be applied in that case.
else
{
if (probationtype == RTPSources::NoProbation)
applyprobation = false;
else
applyprobation = true;
}
#else
applyprobation = false;
#endif // RTP_SUPPORT_PROBATION
stats.ProcessPacket(rtppack,receivetime,tsunit,ownssrc,&accept,applyprobation,&onprobation);
#ifdef RTP_SUPPORT_PROBATION
switch (probationtype)
{
case RTPSources::ProbationStore:
if (!(onprobation || accept))
return 0;
if (accept)
validated = true;
break;
case RTPSources::ProbationDiscard:
case RTPSources::NoProbation:
if (!accept)
return 0;
validated = true;
break;
default:
return ERR_RTP_INTERNALSOURCEDATA_INVALIDPROBATIONTYPE;
}
#else
if (!accept)
return 0;
validated = true;
#endif // RTP_SUPPORT_PROBATION;
if (validated && !ownssrc) // for own ssrc these variables depend on the outgoing packets, not on the incoming
issender = true;
// Now, we can place the packet in the queue
if (packetlist.empty())
{
*stored = true;
packetlist.push_back(rtppack);
return 0;
}
if (!validated) // still on probation
{
// Make sure that we don't buffer too much packets to avoid wasting memory
// on a bad source. Delete the packet in the queue with the lowest sequence
// number.
if (packetlist.size() == RTPINTERNALSOURCEDATA_MAXPROBATIONPACKETS)
{
RTPPacket *p = *(packetlist.begin());
packetlist.pop_front();
RTPDelete(p,GetMemoryManager());
}
}
// find the right position to insert the packet
std::list<RTPPacket*>::iterator it,start;
bool done = false;
uint32_t newseqnr = rtppack->GetExtendedSequenceNumber();
it = packetlist.end();
--it;
start = packetlist.begin();
while (!done)
{
RTPPacket *p;
uint32_t seqnr;
p = *it;
seqnr = p->GetExtendedSequenceNumber();
if (seqnr > newseqnr)
{
if (it != start)
--it;
else // we're at the start of the list
{
*stored = true;
done = true;
packetlist.push_front(rtppack);
}
}
else if (seqnr < newseqnr) // insert after this packet
{
++it;
packetlist.insert(it,rtppack);
done = true;
*stored = true;
}
else // they're equal !! Drop packet
{
done = true;
}
}
return 0;
}
//called on timer
//all data is processed here
void MediaStream::timerClick()
{
//d->mutex.lock();
#ifndef TEST_AUDIO
int status = d->session.Poll();
if ( status<0 ) {
qDebug("Poll: %s", RTPGetErrorString(status).c_str() );
}
// printf("JStat2 %d : %d\n", d->micBuffer->size(),d->dspBuffer->size());
//checkRtpError( status );
// check incoming packets
d->session.BeginDataAccess();
if ( d->session.GotoFirstSourceWithData() ) {
qDebug("have rtp data");
do {
RTPSourceData *sourceData = d->session.GetCurrentSourceInfo();
RTPPacket *pack;
if ((pack = d->session.GetNextPacket()) != NULL) {
qDebug("Get packet N %ld", pack->GetExtendedSequenceNumber());
// debug("Got packet with payload type %d, size %d", pack->GetPayloadType(), pack->GetPayloadLength() );
// TODO initialise decoder here using pack payload type, maybe use QIntDict of decoders
if ( d->decoder ) {
short* decodedData = 0;
int size = d->decoder->decode((char*)pack->GetPayloadData(), pack->GetPayloadLength(), &decodedData );
if ( size > 0 ) {
// adjust the volume
for ( int i=0; i<size; i++ ) {
double val = double(decodedData[i]) * call_dlg_dsp_level / 50.0;
if ( val > 32700.0 )
val = 32700.0;
if ( val < -32700.0 )
val = -32700.0;
decodedData[i] = short(val);
}
// write to DSP buffer
d->dspBuffer->lock();
d->dspBuffer->put( (char*)decodedData, size*2 );
d->dspBuffer->unlock();
processDspData(decodedData,size);
delete[] decodedData;
}
qDebug("decoded data (%d byes) with payload type %d", size*2, pack->GetPayloadType() );
} else {
qDebug("can't decode data with payload type %d", pack->GetPayloadType() );
}
// we don't longer need the packet, so
// we'll delete it
delete pack;
}
} while ( d->session.GotoNextSourceWithData());
}
d->session.EndDataAccess();
// send the packet
// check for in data
short *data = 0;
int micDataSize = 0; // size of readed mic data in samples
d->micBuffer->lock();
micDataSize = d->micBuffer->size()/2;
if ( micDataSize ) {
data = new short[micDataSize];
memcpy( data, d->micBuffer->data(), micDataSize*2 );
d->micBuffer->fetch( micDataSize*2 );
}
d->micBuffer->unlock();
// adjust mic volume
for ( int i=0; i<micDataSize; i++ ) {
double val = double(data[i]) * call_dlg_mic_level / 50.0;
if ( val > 32700.0 )
val = 32700.0;
if ( val < -32700.0 )
val = -32700.0;
data[i] = short(val);
}
if(micDataSize == 0) {
micDataSize = 160;
data = new short[160];
}
// examine the data here, to calculate levels
processMicData(data, micDataSize);
if ( data ) {
char * encodedData = 0;
int readed = micDataSize;
int size = 0;
qDebug("have mic data %d", micDataSize );
do {
int readed = 0;
size = d->encoder->encode( data, micDataSize, &encodedData, &readed );
int localPayload = d->codecPayload; // TODO get local payload here
qDebug("readed %d encoded %d", readed, size );
delete[] data;
data = 0;
micDataSize = 0;
// TODO: for pcmu packet (payload==0) send packets of certain size
if ( size > 0 ) {
memcpy( d->outBuffer+d->outBufferPos, encodedData, size );
d->outBufferPos += size;
d->outBufferTime += readed;
if ( d->outBufferPos ) {
//checkRtpError(
if ( d->session.IsActive() && d->sendPacketsFlag ) {
int status = d->session.SendPacket( (void *)d->outBuffer, (int)d->outBufferPos, (unsigned char)localPayload , false, (long)d->outBufferTime );
if ( status<0 ) {
qDebug("can't SendPacket, %s", RTPGetErrorString(status).c_str() );
}
}
qDebug("sent packet");
}
d->outBufferPos = 0;
d->outBufferTime = 0;
}
if ( encodedData ) {
delete[] encodedData;
encodedData = 0;
}
} while (size > 0);
}
status = d->session.Poll();
if ( status<0 ) {
qDebug("Poll: %s", RTPGetErrorString(status).c_str() );
}
#else // TEST_AUDIO
short *data = 0;
int micDataSize = 0; // size of readed mic data in samples
d->micBuffer->lock();
micDataSize = d->micBuffer->size()/2;
if ( micDataSize ) {
data = new short[micDataSize];
memcpy( data, d->micBuffer->data(), micDataSize*2 );
d->micBuffer->fetch( micDataSize*2 );
}
d->micBuffer->unlock();
if (data) {
// write to DSP buffer
d->dspBuffer->lock();
d->dspBuffer->put( (char*)data,micDataSize*2 );
d->dspBuffer->unlock();
}
static int totalSamples = 0;
totalSamples += micDataSize;
if ( micDataSize )
printf("total audio samples: %d %d \r", micDataSize, totalSamples);
#endif // TEST_AUDIO
// d->mutex->unlock();
}
