QString ScanStreamData::GetSIStandard(QString guess) const
{
if (HasCachedMGT())
return "atsc";
if (HasCachedAnyNIT())
return "dvb";
QMutexLocker locker(&_cache_lock);
pmt_cache_t::const_iterator it = _cached_pmts.begin();
for (; it != _cached_pmts.end(); ++it)
{
ProgramMapTable *pmt = *it;
for (uint i = 0; (guess != "dvb") && (i < pmt->StreamCount()); i++)
{
if (StreamID::OpenCableVideo == pmt->StreamType(i))
return "opencable";
}
desc_list_t descs = MPEGDescriptor::ParseOnlyInclude(
pmt->ProgramInfo(), pmt->ProgramInfoLength(),
DescriptorID::registration);
for (uint i = 0; i < descs.size(); i++)
{
RegistrationDescriptor reg(descs[i]);
if (reg.FormatIdentifierString() == "SCTE")
return "opencable";
}
}
return "mpeg";
}
cCiCaPmt CreateCAPMT(const ProgramMapTable &pmt,
const unsigned short *casids,
uint cplm)
{
cCiCaPmt capmt(pmt.ProgramNumber(), cplm);
// Add CA descriptors for the service
desc_list_t gdesc = MPEGDescriptor::ParseOnlyInclude(
pmt.ProgramInfo(), pmt.ProgramInfoLength(),
DescriptorID::conditional_access);
process_desc(capmt, casids, gdesc);
// Add elementary streams + CA descriptors
for (uint i = 0; i < pmt.StreamCount(); i++)
{
LOG(VB_DVBCAM, LOG_INFO,
QString("DVBCam: Adding elementary stream: %1, pid(0x%2)")
.arg(pmt.StreamDescription(i, "dvb"))
.arg(pmt.StreamPID(i),0,16));
capmt.AddElementaryStream(pmt.StreamType(i), pmt.StreamPID(i));
desc_list_t desc = MPEGDescriptor::ParseOnlyInclude(
pmt.StreamInfo(i), pmt.StreamInfoLength(i),
DescriptorID::conditional_access);
process_desc(capmt, casids, desc);
}
return capmt;
}