Ejemplo n.º 1
0
int eCableScan::nextChannel()
{
	ePtr<iDVBFrontend> fe;

	m_SDT = NULL;

	if (scanChannels.empty())
	{
		m_channel = NULL;
		createBouquets();
		return 1;
	}

	scanProgress(100 - (scanChannels.size() * 90) / totalChannels);

	currentScanChannel = scanChannels.front();
	scanChannels.pop_front();

	if (m_channel->getFrontend(fe))
	{
		m_channel = NULL;
		scanCompleted(-1);
		return -1;
	}

	if (fe->tune(*currentScanChannel))
		return nextChannel();

	m_SDT = new eTable<ServiceDescriptionSection>;
	CONNECT(m_SDT->tableReady, eCableScan::SDTReady);
	m_SDT->start(m_demux, eDVBSDTSpec());
	return 0;
}
Ejemplo n.º 2
0
RESULT eDVBScan::startFilter()
{
	bool startSDT=true;
	int system;
	ASSERT(m_demux);

			/* only start required filters filter */

	if (m_ready_all & readyPAT)
		startSDT = m_ready & readyPAT;

	// m_ch_current is not set, when eDVBScan is just used for a SDT update
	if (!m_ch_current)
	{
		unsigned int channelFlags;
		m_channel->getCurrentFrontendParameters(m_ch_current);
		m_ch_current->getFlags(channelFlags);
		if (channelFlags & iDVBFrontendParameters::flagOnlyFree)
			m_flags |= scanOnlyFree;
	}

	m_VCT = 0;
	m_ch_current->getSystem(system);
	if (system == iDVBFrontend::feATSC)
	{
		m_VCT = new eTable<VirtualChannelTableSection>;
		if (m_VCT->start(m_demux, eDVBVCTSpec()))
			return -1;
		CONNECT(m_VCT->tableReady, eDVBScan::VCTready);
		startSDT = false;
	}

	m_SDT = 0;
	if (startSDT && (m_ready_all & readySDT))
	{
		m_SDT = new eTable<ServiceDescriptionSection>;
		int tsid=-1;
		if (m_ready & readyPAT && m_ready & validPAT)
		{
			std::vector<ProgramAssociationSection*>::const_iterator i =
				m_PAT->getSections().begin();
			ASSERT(i != m_PAT->getSections().end());
			tsid = (*i)->getTableIdExtension(); // in PAT this is the transport stream id
			m_pat_tsid = eTransportStreamID(tsid);
			for (; i != m_PAT->getSections().end(); ++i)
			{
				const ProgramAssociationSection &pat = **i;
				ProgramAssociationConstIterator program = pat.getPrograms()->begin();
				for (; program != pat.getPrograms()->end(); ++program)
					m_pmts_to_read.insert(std::pair<unsigned short, service>((*program)->getProgramNumber(), service((*program)->getProgramMapPid())));
			}
			m_PMT = new eTable<ProgramMapSection>;
			CONNECT(m_PMT->tableReady, eDVBScan::PMTready);
			PMTready(-2);
			// KabelBW HACK ... on 618Mhz and 626Mhz the transport stream id in PAT and SDT is different

			{
				int type;
				m_ch_current->getSystem(type);
				if (type == iDVBFrontend::feCable)
				{
					eDVBFrontendParametersCable parm;
					m_ch_current->getDVBC(parm);
					if ((tsid == 0x00d7 && absdiff(parm.frequency, 618000) < 2000) ||
						(tsid == 0x00d8 && absdiff(parm.frequency, 626000) < 2000))
						tsid = -1;
				}
			}
		}
		if (tsid == -1)
		{
			if (m_SDT->start(m_demux, eDVBSDTSpec()))
				return -1;
		}
		else if (m_SDT->start(m_demux, eDVBSDTSpec(tsid, true)))
			return -1;
		CONNECT(m_SDT->tableReady, eDVBScan::SDTready);
	}

	if (!(m_ready & readyPAT))
	{
		m_PAT = 0;
		if (m_ready_all & readyPAT)
		{
			m_PAT = new eTable<ProgramAssociationSection>;
			if (m_PAT->start(m_demux, eDVBPATSpec(4000)))
				return -1;
			CONNECT(m_PAT->tableReady, eDVBScan::PATready);
		}

		m_NIT = 0;
		if (m_ready_all & readyNIT)
		{
			m_NIT = new eTable<NetworkInformationSection>;
			if (m_NIT->start(m_demux, eDVBNITSpec(m_networkid)))
				return -1;
			CONNECT(m_NIT->tableReady, eDVBScan::NITready);
		}

		m_BAT = 0;
		if (m_ready_all & readyBAT)
		{
			m_BAT = new eTable<BouquetAssociationSection>;
			if (m_BAT->start(m_demux, eDVBBATSpec()))
				return -1;
			CONNECT(m_BAT->tableReady, eDVBScan::BATready);
		}
	}
	return 0;
}