string RTSPStream::Setup(RTSPMessage *msg)
{
ostringstream response;
// find the client port in the transport params
string transport = msg->ValueForOption("transport");
vector<string> components = divideBy(transport, ";");
vector<string> ports;
for (vector<string>::iterator it = components.begin(); it != components.end(); it++)
{
string label = it->substr(0, 12);
if (caselesscompare(label, "client_port="))
{
ports = divideBy(it->substr(12), "-");
break;
}
}
if (ports.size() == 2)
{
int portRTP = stoi(ports[0]);
int portRTCP = stoi(ports[1]);
if (MakeSession(portRTP, portRTCP))
{
response << msg->CreateResponse(200, "OK") << "Session: " << m_session << "\r\n";
response << "Transport: RTP/AVP;unicast;client_port=" << portRTP << "-" << portRTCP;
response << ";server_port=" << m_portBase << "-" << m_portBase + 1 << "\r\n\r\n";
}
}
if (response.str().length() == 0)
{
response << msg->CreateResponse(451, "transport setup failed");
}
return response.str();
}
void convertToBase(uint32_t* number, char* buf, int base) {
int n = 0;
do {
int digit = divideBy(number,base);
buf[n++] = digits[digit];
} while(!zero(number));
buf[n] = '\0';
reverse(buf);
}
void ConvertXml::calcDivisions() {
// cout << "ConvertXml::calcDivisions()" << endl;
// init
integers.clear();
primes.clear();
integers.append(120); // quarter note length
primes.append(2);
primes.append(3);
primes.append(5);
primes.append(7); // initialize with required prime numbers
// need to use note and rest duration as exported to MusicXML
// thus match ConvertXml::write's main loop
// loop over all tracks
for (auto row = 0; row < song->rowCount(); row++) {
TabTrack* trk = song->index(row, 0).data(TabSong::TrackPtrRole).value<TabTrack*>();
trk->calcVoices(); // LVIFIX: is this necessary ?
// cout << "part id=P" << it+1 << endl;
// loop over all bars
for (int ib = 0; ib < trk->bars().size(); ib++) {
// cout << "measure number=" << ib + 1 << endl;
// loop over all voices in this bar
for (int i = 0; i < 2; i++) {
// write only voice 1 in single voice tracks,
// write all voices in multi voice tracks
if ((i == 1) || trk->hasMultiVoices()) {
// cout << "voice number=" << i + 1 << endl;
// loop over all columns in this bar
for (int x = trk->bars()[ib].start; x <= trk->lastColumn(ib); /* nothing */) {
/*
int tp;
int dt;
bool tr;
bool res;
res = trk->getNoteTypeAndDots(x, i, tp, dt, tr);
// LVIFIX: error handling ?
// false means no note in this column/voice
// LVIFIX: add rest handling (see writecol)
cout
<< "x=" << x
<< " res=" << res
<< " tp=" << tp
<< " dt=" << dt
<< " tr=" << tr
<< endl;
*/
QTextStream dummy;
x += writeCol(dummy, trk, x, i, false);
} // end for (uint x = 0; ....
} // end if ((i == 1) || ...
} // end for (int i = 0; ...
} // end for (uint ib = 0; ...
} // end for (unsigned int it = 0; ...
// do it: divide by all primes as often as possible
for (auto& u : primes) {
while (canDivideBy(u)) {
divideBy(u);
}
}
// cout << "res=" << integers[0] << endl;
divisions = integers[0];
}
