/
channelscan_sm.cpp
2597 lines (2219 loc) · 82.7 KB
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channelscan_sm.cpp
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/* -*- Mode: c++ -*-
* vim: set expandtab tabstop=4 shiftwidth=4:
*
* Original Project
* MythTV http://www.mythtv.org
*
* Copyright (c) 2004, 2005 John Pullan <john@pullan.org>
* Copyright (c) 2005 - 2007 Daniel Kristjansson
*
* Description:
* Collection of classes to provide channel scanning functionallity
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*
*/
// C includes
#include <unistd.h>
// C++ includes
#include <algorithm>
#include <utility>
using namespace std;
// Qt includes
#include <QMutexLocker>
#include <QObject>
// MythTV includes - General
#include "channelscan_sm.h"
#include "frequencies.h"
#include "scanwizardconfig.h"
#include "mythdbcon.h"
#include "channelutil.h"
#include "cardutil.h"
#include "sourceutil.h"
#include "mthread.h"
#include "mythdb.h"
#include "mythlogging.h"
// MythTV includes - DTV
#include "dtvsignalmonitor.h"
#include "scanstreamdata.h"
// MythTV includes - ATSC
#include "atsctables.h"
// MythTV includes - DVB
#include "dvbsignalmonitor.h"
#include "dvbtables.h"
#include "dvbchannel.h"
#include "hdhrchannel.h"
#include "v4lchannel.h"
/// SDT's should be sent every 2 seconds and NIT's every
/// 10 seconds, so lets wait at least 30 seconds, in
/// case of bad transmitter or lost packets.
const uint ChannelScanSM::kDVBTableTimeout = 30 * 1000;
/// No logic here, lets just wait at least 10 seconds.
const uint ChannelScanSM::kATSCTableTimeout = 10 * 1000;
/// No logic here, lets just wait at least 15 seconds.
const uint ChannelScanSM::kMPEGTableTimeout = 15 * 1000;
// Freesat and Sky
static const uint kRegionUndefined = 0xFFFF; // Not regional
QString ChannelScanSM::loc(const ChannelScanSM *siscan)
{
if (siscan && siscan->m_channel)
return QString("ChannelScanSM(%1)").arg(siscan->m_channel->GetDevice());
return "ChannelScanSM(u)";
}
#define LOC (ChannelScanSM::loc(this) + ": ")
#define kDecryptionTimeout 4250
class ScannedChannelInfo
{
public:
ScannedChannelInfo() = default;
bool IsEmpty() const
{
return m_pats.empty() && m_pmts.empty() &&
m_programEncryptionStatus.isEmpty() &&
!m_mgt && m_cvcts.empty() &&
m_tvcts.empty() && m_nits.empty() &&
m_sdts.empty() && m_bats.empty();
}
// MPEG
pat_map_t m_pats;
pmt_vec_t m_pmts;
QMap<uint,uint> m_programEncryptionStatus; // pnum->enc_status
// ATSC
const MasterGuideTable *m_mgt {nullptr};
cvct_vec_t m_cvcts;
tvct_vec_t m_tvcts;
// DVB
nit_vec_t m_nits;
sdt_map_t m_sdts;
bat_vec_t m_bats;
};
/** \class ChannelScanSM
* \brief Scanning class for cards that support a SignalMonitor class.
*
* With ScanStreamData, we call ScanTransport() on each transport
* and frequency offset in the list of transports. This list is
* created from a FrequencyTable object.
*
* Each ScanTransport() call resets the ScanStreamData and the
* SignalMonitor, then tunes to a new frequency and notes the tuning
* time in the "timer" QTime object.
*
* HandleActiveScan is called every time through the event loop
* and is what calls ScanTransport(), as well as checking when
* the current time is "timeoutTune" or "channelTimeout" milliseconds
* ahead of "timer". When the "timeoutTune" is exceeded we check
* to see if we have a signal lock on the channel, if we don't we
* check the next transport. When the larger "channelTimeout" is
* exceeded we do nothing unless "waitingForTables" is still true,
*
* TODO
*
*/
ChannelScanSM::ChannelScanSM(ScanMonitor *_scan_monitor,
const QString &_cardtype, ChannelBase *_channel,
int _sourceID, uint signal_timeout,
uint channel_timeout, QString _inputname,
bool test_decryption)
: // Set in constructor
m_scanMonitor(_scan_monitor),
m_channel(_channel),
m_signalMonitor(SignalMonitor::Init(_cardtype, m_channel->GetInputID(),
_channel, true)),
m_sourceID(_sourceID),
m_signalTimeout(signal_timeout),
m_channelTimeout(channel_timeout),
m_inputName(std::move(_inputname)),
m_testDecryption(test_decryption),
// Misc
m_analogSignalHandler(new AnalogSignalHandler(this))
{
m_current = m_scanTransports.end();
// Create a stream data for digital signal monitors
DTVSignalMonitor* dtvSigMon = GetDTVSignalMonitor();
if (dtvSigMon)
{
LOG(VB_CHANSCAN, LOG_INFO, LOC + "Connecting up DTVSignalMonitor");
auto *data = new ScanStreamData();
MSqlQuery query(MSqlQuery::InitCon());
query.prepare(
"SELECT dvb_nit_id, bouquet_id, region_id "
"FROM videosource "
"WHERE videosource.sourceid = :SOURCEID");
query.bindValue(":SOURCEID", _sourceID);
if (!query.exec() || !query.isActive())
{
MythDB::DBError("ChannelScanSM", query);
}
else if (query.next())
{
int nitid = query.value(0).toInt();
data->SetRealNetworkID(nitid);
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Setting NIT-ID to %1").arg(nitid));
m_bouquetId = query.value(1).toUInt();
m_regionId = query.value(2).toUInt();
m_nitId = nitid > 0 ? nitid : 0;
}
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Freesat/Sky bouquet_id:%1 region_id:%2")
.arg(m_bouquetId).arg(m_regionId));
dtvSigMon->SetStreamData(data);
dtvSigMon->AddFlags(SignalMonitor::kDTVSigMon_WaitForMGT |
SignalMonitor::kDTVSigMon_WaitForVCT |
SignalMonitor::kDTVSigMon_WaitForNIT |
SignalMonitor::kDTVSigMon_WaitForSDT);
#ifdef USING_DVB
auto *dvbchannel = dynamic_cast<DVBChannel*>(m_channel);
if (dvbchannel && dvbchannel->GetRotor())
dtvSigMon->AddFlags(SignalMonitor::kDVBSigMon_WaitForPos);
#endif
data->AddMPEGListener(this);
data->AddATSCMainListener(this);
data->AddDVBMainListener(this);
data->AddDVBOtherListener(this);
}
}
ChannelScanSM::~ChannelScanSM(void)
{
StopScanner();
LOG(VB_CHANSCAN, LOG_INFO, LOC + "ChannelScanSM Stopped");
ScanStreamData *sd = nullptr;
if (GetDTVSignalMonitor())
{
sd = GetDTVSignalMonitor()->GetScanStreamData();
}
if (m_signalMonitor)
{
m_signalMonitor->RemoveListener(m_analogSignalHandler);
delete m_signalMonitor;
m_signalMonitor = nullptr;
}
delete sd;
if (m_analogSignalHandler)
{
delete m_analogSignalHandler;
m_analogSignalHandler = nullptr;
}
teardown_frequency_tables();
}
void ChannelScanSM::SetAnalog(bool is_analog)
{
m_signalMonitor->RemoveListener(m_analogSignalHandler);
if (is_analog)
m_signalMonitor->AddListener(m_analogSignalHandler);
}
void ChannelScanSM::HandleAllGood(void)
{
QMutexLocker locker(&m_lock);
QString cur_chan = (*m_current).m_friendlyName;
QStringList list = cur_chan.split(" ", QString::SkipEmptyParts);
QString freqid = (list.size() >= 2) ? list[1] : cur_chan;
QString msg = QObject::tr("Updated Channel %1").arg(cur_chan);
if (!ChannelUtil::FindChannel(m_sourceID, freqid))
{
int chanid = ChannelUtil::CreateChanID(m_sourceID, freqid);
QString callsign = QString("%1-%2")
.arg(ChannelUtil::GetUnknownCallsign()).arg(chanid);
bool ok = ChannelUtil::CreateChannel(
0 /* mplexid */,
m_sourceID,
chanid,
callsign,
"" /* service name */,
freqid /* channum */,
0 /* service id */,
0 /* ATSC major channel */,
0 /* ATSC minor channel */,
false /* use on air guide */,
kChannelVisible /* visible */,
freqid);
msg = (ok) ?
QObject::tr("Added Channel %1").arg(cur_chan) :
QObject::tr("Failed to add channel %1").arg(cur_chan);
}
else
{
// nothing to do here, XMLTV has better info
}
m_scanMonitor->ScanAppendTextToLog(msg);
// tell UI we are done with these channels
if (m_scanning)
{
UpdateScanPercentCompleted();
m_waitingForTables = false;
m_nextIt = m_current.nextTransport();
m_dvbt2Tried = true;
}
}
/**
* \brief If we are not already scanning a frequency table, this creates
* a new frequency table from database and begins scanning it.
*
* This is used by DVB to scan for channels we are told about from other
* channels.
*
* Note: Something similar could be used with ATSC when EIT for other
* channels is available on another ATSC channel, as encouraged by the
* ATSC specification.
*/
bool ChannelScanSM::ScanExistingTransports(uint sourceid, bool follow_nit)
{
if (m_scanning)
return false;
m_scanTransports.clear();
m_nextIt = m_scanTransports.end();
vector<uint> multiplexes = SourceUtil::GetMplexIDs(sourceid);
if (multiplexes.empty())
{
LOG(VB_CHANSCAN, LOG_ERR, LOC + "Unable to find any transports for " +
QString("sourceid %1").arg(sourceid));
return false;
}
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Found %1 transports for ").arg(multiplexes.size()) +
QString("sourceid %1").arg(sourceid));
for (uint multiplex : multiplexes)
AddToList(multiplex);
m_extendScanList = follow_nit;
m_waitingForTables = false;
m_transportsScanned = 0;
if (!m_scanTransports.empty())
{
m_nextIt = m_scanTransports.begin();
m_scanning = true;
}
else
{
LOG(VB_CHANSCAN, LOG_ERR, LOC +
"Unable to find add any transports for " +
QString("sourceid %1").arg(sourceid));
return false;
}
return m_scanning;
}
void ChannelScanSM::LogLines(const QString& string)
{
if (VERBOSE_LEVEL_CHECK(VB_CHANSCAN, LOG_DEBUG))
{
QStringList lines = string.split('\n');
for (int i = 0; i < lines.size(); ++i)
LOG(VB_CHANSCAN, LOG_DEBUG, lines[i]);
}
}
void ChannelScanSM::HandlePAT(const ProgramAssociationTable *pat)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Got a Program Association Table for %1")
.arg((*m_current).m_friendlyName));
LogLines(pat->toString());
// Add pmts to list, so we can do MPEG scan properly.
ScanStreamData *sd = GetDTVSignalMonitor()->GetScanStreamData();
for (uint i = 0; i < pat->ProgramCount(); ++i)
{
if (pat->ProgramPID(i)) // don't add NIT "program", MPEG/ATSC safe.
sd->AddListeningPID(pat->ProgramPID(i));
}
}
void ChannelScanSM::HandlePMT(uint /*program_num*/, const ProgramMapTable *pmt)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC + QString("Got a Program Map Table for %1 program %2 (0x%3)")
.arg((*m_current).m_friendlyName).arg(pmt->ProgramNumber())
.arg(pmt->ProgramNumber(),4,16,QChar('0')));
LogLines(pmt->toString());
if (!m_currentTestingDecryption &&
pmt->IsEncrypted(GetDTVChannel()->GetSIStandard()))
m_currentEncryptionStatus[pmt->ProgramNumber()] = kEncUnknown;
}
void ChannelScanSM::HandleVCT(uint /*pid*/, const VirtualChannelTable *vct)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Got a Virtual Channel Table for %1")
.arg((*m_current).m_friendlyName));
LogLines(vct->toString());
for (uint i = 0; !m_currentTestingDecryption && i < vct->ChannelCount(); ++i)
{
if (vct->IsAccessControlled(i))
{
m_currentEncryptionStatus[vct->ProgramNumber(i)] = kEncUnknown;
}
}
UpdateChannelInfo(true);
}
void ChannelScanSM::HandleMGT(const MasterGuideTable *mgt)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC + QString("Got the Master Guide for %1")
.arg((*m_current).m_friendlyName));
LogLines(mgt->toString());
UpdateChannelInfo(true);
}
/**
* \fn ChannelScanSM::HandleSDT
*
* \param tsid Unused. Present so that the HandleSDT and HandleSDTo
* functions have the same type signature.
* \param sdt A pointer to the service description table.
*/
void ChannelScanSM::HandleSDT(uint /*tsid*/, const ServiceDescriptionTable *sdt)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Got a Service Description Table for %1 section %2/%3")
.arg((*m_current).m_friendlyName)
.arg(sdt->Section()).arg(sdt->LastSection()));
LogLines(sdt->toString());
// If this is Astra 28.2 add start listening for Freesat BAT and SDTo
if (!m_setOtherTables && (
sdt->OriginalNetworkID() == OriginalNetworkID::SES2 ||
sdt->OriginalNetworkID() == OriginalNetworkID::BBC))
{
GetDTVSignalMonitor()->GetScanStreamData()->
SetFreesatAdditionalSI(true);
m_setOtherTables = true;
// The whole BAT & SDTo group comes round in 10s
m_otherTableTimeout = 10000;
// Delay processing the SDT until we've seen BATs and SDTos
m_otherTableTime = m_timer.elapsed() + m_otherTableTimeout;
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("SDT has OriginalNetworkID %1, look for "
"additional Freesat SI").arg(sdt->OriginalNetworkID()));
}
if (!m_timer.hasExpired(m_otherTableTime))
{
// Set the version for the SDT so we see it again.
GetDTVSignalMonitor()->GetDVBStreamData()->
SetVersionSDT(sdt->TSID(), -1, 0);
}
uint id = sdt->OriginalNetworkID() << 16 | sdt->TSID();
m_tsScanned.insert(id);
for (uint i = 0; !m_currentTestingDecryption && i < sdt->ServiceCount(); ++i)
{
if (sdt->IsEncrypted(i))
{
m_currentEncryptionStatus[sdt->ServiceID(i)] = kEncUnknown;
}
}
UpdateChannelInfo(true);
}
void ChannelScanSM::HandleNIT(const NetworkInformationTable *nit)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Got a Network Information Table id %1 for %2 section %3/%4")
.arg(nit->NetworkID()).arg((*m_current).m_friendlyName)
.arg(nit->Section()).arg(nit->LastSection()));
LogLines(nit->toString());
UpdateChannelInfo(true);
}
void ChannelScanSM::HandleBAT(const BouquetAssociationTable *bat)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Got a Bouquet Association Table id %1 for %2 section %3/%4")
.arg(bat->BouquetID()).arg((*m_current).m_friendlyName)
.arg(bat->Section()).arg(bat->LastSection()));
LogLines(bat->toString());
m_otherTableTime = m_timer.elapsed() + m_otherTableTimeout;
for (uint i = 0; i < bat->TransportStreamCount(); ++i)
{
uint tsid = bat->TSID(i);
uint netid = bat->OriginalNetworkID(i);
desc_list_t parsed =
MPEGDescriptor::Parse(bat->TransportDescriptors(i),
bat->TransportDescriptorsLength(i));
// Look for default authority
const unsigned char *def_auth =
MPEGDescriptor::Find(parsed, DescriptorID::default_authority);
const unsigned char *serv_list =
MPEGDescriptor::Find(parsed, DescriptorID::service_list);
if (def_auth && serv_list)
{
DefaultAuthorityDescriptor authority(def_auth);
ServiceListDescriptor services(serv_list);
if (!authority.IsValid() || !services.IsValid())
continue;
LOG(VB_CHANSCAN, LOG_DEBUG, LOC +
QString("Found default authority '%1' in BAT for services in nid %2 tid %3")
.arg(authority.DefaultAuthority())
.arg(netid).arg(tsid));
for (uint j = 0; j < services.ServiceCount(); ++j)
{
// If the default authority is given in the SDT this
// overrides any definition in the BAT (or in the NIT)
LOG(VB_CHANSCAN, LOG_DEBUG, LOC +
QString("Found default authority '%1' in BAT for service nid %2 tid %3 sid %4")
.arg(authority.DefaultAuthority())
.arg(netid).arg(tsid).arg(services.ServiceID(j)));
uint64_t index = ((uint64_t)netid << 32) | (tsid << 16) |
services.ServiceID(j);
if (! m_defAuthorities.contains(index))
m_defAuthorities[index] = authority.DefaultAuthority();
}
}
}
UpdateChannelInfo(true);
}
void ChannelScanSM::HandleSDTo(uint tsid, const ServiceDescriptionTable *sdt)
{
QMutexLocker locker(&m_lock);
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("Got a Service Description Table (other) for Transport ID %1 section %2/%3")
.arg(tsid).arg(sdt->Section()).arg(sdt->LastSection()));
LogLines(sdt->toString());
m_otherTableTime = m_timer.elapsed() + m_otherTableTimeout;
uint netid = sdt->OriginalNetworkID();
for (uint i = 0; i < sdt->ServiceCount(); ++i)
{
uint serviceId = sdt->ServiceID(i);
desc_list_t parsed =
MPEGDescriptor::Parse(sdt->ServiceDescriptors(i),
sdt->ServiceDescriptorsLength(i));
// Look for default authority
const unsigned char *def_auth =
MPEGDescriptor::Find(parsed, DescriptorID::default_authority);
if (def_auth)
{
DefaultAuthorityDescriptor authority(def_auth);
if (!authority.IsValid())
continue;
LOG(VB_CHANSCAN, LOG_DEBUG, LOC +
QString("Found default authority '%1' in SDTo for service nid %2 tid %3 sid %4")
.arg(authority.DefaultAuthority())
.arg(netid).arg(tsid).arg(serviceId));
m_defAuthorities[((uint64_t)netid << 32) | (tsid << 16) | serviceId] =
authority.DefaultAuthority();
}
}
}
void ChannelScanSM::HandleEncryptionStatus(uint pnum, bool encrypted)
{
QMutexLocker locker(&m_lock);
m_currentEncryptionStatus[pnum] = encrypted ? kEncEncrypted : kEncDecrypted;
if (kEncDecrypted == m_currentEncryptionStatus[pnum])
m_currentTestingDecryption = false;
UpdateChannelInfo(true);
}
bool ChannelScanSM::TestNextProgramEncryption(void)
{
if (!m_currentInfo || m_currentInfo->m_pmts.empty())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Can't monitor decryption -- no pmts");
m_currentTestingDecryption = false;
return false;
}
do
{
uint pnum = 0;
QMap<uint, uint>::const_iterator it = m_currentEncryptionStatus.begin();
#if 0
LOG(VB_GENERAL, LOG_DEBUG, LOC + QString("%1/%2 checked")
.arg(currentEncryptionStatusChecked.size())
.arg(currentEncryptionStatus.size()));
#endif
while (it != m_currentEncryptionStatus.end())
{
if (!m_currentEncryptionStatusChecked[it.key()])
{
pnum = it.key();
break;
}
++it;
}
if (!pnum)
break;
m_currentEncryptionStatusChecked[pnum] = true;
if (!m_testDecryption)
{
m_currentEncryptionStatus[pnum] = kEncEncrypted;
continue;
}
const ProgramMapTable *pmt = nullptr;
for (uint i = 0; !pmt && (i < m_currentInfo->m_pmts.size()); ++i)
{
pmt = (m_currentInfo->m_pmts[i]->ProgramNumber() == pnum) ?
m_currentInfo->m_pmts[i] : nullptr;
}
if (pmt)
{
QString cur_chan;
QString cur_chan_tr;
GetCurrentTransportInfo(cur_chan, cur_chan_tr);
QString msg_tr =
QObject::tr("%1 -- Testing decryption of program %2")
.arg(cur_chan_tr).arg(pnum);
QString msg =
QString("%1 -- Testing decryption of program %2")
.arg(cur_chan).arg(pnum);
m_scanMonitor->ScanAppendTextToLog(msg_tr);
LOG(VB_CHANSCAN, LOG_INFO, LOC + msg);
#ifdef USING_DVB
if (GetDVBChannel())
GetDVBChannel()->SetPMT(pmt);
#endif // USING_DVB
GetDTVSignalMonitor()->GetStreamData()->TestDecryption(pmt);
m_currentTestingDecryption = true;
m_timer.start();
return true;
}
LOG(VB_GENERAL, LOG_INFO, LOC +
QString("Can't monitor decryption of program %1 -- no pmt")
.arg(pnum));
} while (true);
m_currentTestingDecryption = false;
return false;
}
DTVTunerType ChannelScanSM::GuessDTVTunerType(DTVTunerType type) const
{
if (m_scanDTVTunerType != DTVTunerType::kTunerTypeUnknown)
type = m_scanDTVTunerType;
const DTVChannel *chan = GetDTVChannel();
if (!chan)
return type;
vector<DTVTunerType> tts = chan->GetTunerTypes();
for (auto & tt : tts)
{
if (tt == type)
return type;
}
if (!tts.empty())
return tts[0];
return type;
}
void ChannelScanSM::UpdateScanTransports(const NetworkInformationTable *nit)
{
for (uint i = 0; i < nit->TransportStreamCount(); ++i)
{
uint32_t tsid = nit->TSID(i);
uint32_t netid = nit->OriginalNetworkID(i);
uint32_t id = netid << 16 | tsid;
if (m_tsScanned.contains(id) || m_extendTransports.contains(id))
continue;
const desc_list_t& list =
MPEGDescriptor::Parse(nit->TransportDescriptors(i),
nit->TransportDescriptorsLength(i));
for (size_t j = 0; j < list.size(); ++j)
{
uint64_t frequency = 0;
const MPEGDescriptor desc(list[j]);
uint tag = desc.DescriptorTag();
uint length = desc.DescriptorLength();
QString tagString = desc.DescriptorTagString();
DTVTunerType tt(DTVTunerType::kTunerTypeUnknown);
LOG(VB_CHANSCAN, LOG_DEBUG, LOC + QString("NIT ts-loop j:%1 tag:%2 (0x%3) '%4' length:%5")
.arg(j).arg(tag,3).arg(tag,0,16).arg(tagString).arg(length));
switch (tag)
{
case DescriptorID::terrestrial_delivery_system:
{
const TerrestrialDeliverySystemDescriptor cd(desc);
frequency = cd.FrequencyHz();
tt = DTVTunerType::kTunerTypeDVBT;
break;
}
case DescriptorID::extension:
{
switch (desc.DescriptorTagExtension())
{
case DescriptorID::t2_delivery_system:
{
tt = DTVTunerType::kTunerTypeDVBT2;
continue; // T2 descriptor not yet used
}
default:
continue; // Next descriptor
}
}
case DescriptorID::satellite_delivery_system:
{
const SatelliteDeliverySystemDescriptor cd(desc);
frequency = cd.FrequencykHz();
tt = DTVTunerType::kTunerTypeDVBS1;
break;
}
case DescriptorID::s2_satellite_delivery_system:
{
tt = DTVTunerType::kTunerTypeDVBS2;
continue; // S2 descriptor not yet used
}
case DescriptorID::cable_delivery_system:
{
const CableDeliverySystemDescriptor cd(desc);
frequency = cd.FrequencyHz();
tt = DTVTunerType::kTunerTypeDVBC;
break;
}
default:
continue; // Next descriptor
}
// Have now a delivery system descriptor
tt = GuessDTVTunerType(tt);
DTVMultiplex tuning;
if (tuning.FillFromDeliverySystemDesc(tt, desc))
{
LOG(VB_CHANSCAN, LOG_DEBUG, QString("NIT %1 add ts %2 %3")
.arg(nit->NetworkID()).arg(tsid).arg(tuning.toString()));
m_extendTransports[id] = tuning;
}
else
{
LOG(VB_CHANSCAN, LOG_DEBUG, QString("Cannot add ts from NIT %1 frequency %2 with tunertype %2")
.arg(nit->NetworkID()).arg(frequency).arg(tt.toString()));
}
// Next TS in loop
break;
}
}
}
bool ChannelScanSM::UpdateChannelInfo(bool wait_until_complete)
{
QMutexLocker locker(&m_mutex);
if (m_current == m_scanTransports.end())
return true;
if (wait_until_complete && !m_waitingForTables)
return true;
if (wait_until_complete && m_currentTestingDecryption)
return false;
DTVSignalMonitor *dtv_sm = GetDTVSignalMonitor();
if (!dtv_sm)
return false;
const ScanStreamData *sd = dtv_sm->GetScanStreamData();
if (!m_currentInfo)
m_currentInfo = new ScannedChannelInfo();
bool transport_tune_complete = true;
// MPEG
// Grab PAT tables
pat_vec_t pattmp = sd->GetCachedPATs();
QMap<uint,bool> tsid_checked;
for (auto & pat : pattmp)
{
uint tsid = pat->TransportStreamID();
if (tsid_checked[tsid])
continue;
tsid_checked[tsid] = true;
if (m_currentInfo->m_pats.contains(tsid))
continue;
if (!wait_until_complete || sd->HasCachedAllPAT(tsid))
{
m_currentInfo->m_pats[tsid] = sd->GetCachedPATs(tsid);
if (!m_currentInfo->m_pmts.empty())
{
sd->ReturnCachedPMTTables(m_currentInfo->m_pmts);
m_currentInfo->m_pmts.clear();
}
}
else
transport_tune_complete = false;
}
transport_tune_complete &= !pattmp.empty();
sd->ReturnCachedPATTables(pattmp);
// Grab PMT tables
if ((!wait_until_complete || sd->HasCachedAllPMTs()) &&
m_currentInfo->m_pmts.empty())
m_currentInfo->m_pmts = sd->GetCachedPMTs();
// ATSC
if (!m_currentInfo->m_mgt && sd->HasCachedMGT())
m_currentInfo->m_mgt = sd->GetCachedMGT();
if ((!wait_until_complete || sd->HasCachedAllCVCTs()) &&
m_currentInfo->m_cvcts.empty())
{
m_currentInfo->m_cvcts = sd->GetCachedCVCTs();
}
if ((!wait_until_complete || sd->HasCachedAllTVCTs()) &&
m_currentInfo->m_tvcts.empty())
{
m_currentInfo->m_tvcts = sd->GetCachedTVCTs();
}
// DVB
if ((!wait_until_complete || sd->HasCachedAllNIT()) &&
(m_currentInfo->m_nits.empty() ||
m_timer.hasExpired(m_otherTableTime)))
{
m_currentInfo->m_nits = sd->GetCachedNIT();
}
sdt_vec_t sdttmp = sd->GetCachedSDTs();
tsid_checked.clear();
for (auto & sdt : sdttmp)
{
uint tsid = sdt->TSID();
if (tsid_checked[tsid])
continue;
tsid_checked[tsid] = true;
if (m_currentInfo->m_sdts.contains(tsid))
continue;
if (!wait_until_complete || sd->HasCachedAllSDT(tsid))
m_currentInfo->m_sdts[tsid] = sd->GetCachedSDTSections(tsid);
}
sd->ReturnCachedSDTTables(sdttmp);
if ((!wait_until_complete || sd->HasCachedAllBATs()) &&
(m_currentInfo->m_bats.empty() ||
m_timer.hasExpired(m_otherTableTime)))
{
m_currentInfo->m_bats = sd->GetCachedBATs();
}
// Check if transport tuning is complete
if (transport_tune_complete)
{
transport_tune_complete &= !m_currentInfo->m_pmts.empty();
if (!(sd->HasCachedMGT() || sd->HasCachedAnyNIT()))
{
transport_tune_complete = false;
}
if (sd->HasCachedMGT() || sd->HasCachedAnyVCTs())
{
transport_tune_complete &= sd->HasCachedMGT();
transport_tune_complete &=
(!m_currentInfo->m_tvcts.empty() || !m_currentInfo->m_cvcts.empty());
}
else if (sd->HasCachedAnyNIT() || sd->HasCachedAnySDTs())
{
transport_tune_complete &= !m_currentInfo->m_nits.empty();
transport_tune_complete &= !m_currentInfo->m_sdts.empty();
}
if (sd->HasCachedAnyBATs())
{
transport_tune_complete &= !m_currentInfo->m_bats.empty();
}
if (transport_tune_complete)
{
uint tsid = dtv_sm->GetTransportID();
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("\nTable status after transport tune complete:") +
QString("\nsd->HasCachedAnyNIT(): %1").arg(sd->HasCachedAnyNIT()) +
QString("\nsd->HasCachedAnySDTs(): %1").arg(sd->HasCachedAnySDTs()) +
QString("\nsd->HasCachedAnyBATs(): %1").arg(sd->HasCachedAnyBATs()) +
QString("\nsd->HasCachedAllPMTs(): %1").arg(sd->HasCachedAllPMTs()) +
QString("\nsd->HasCachedAllNIT(): %1").arg(sd->HasCachedAllNIT()) +
QString("\nsd->HasCachedAllSDT(%1): %2").arg(tsid,5).arg(sd->HasCachedAllSDT(tsid)) +
QString("\nsd->HasCachedAllBATs(): %1").arg(sd->HasCachedAllBATs()) +
QString("\nsd->HasCachedMGT(): %1").arg(sd->HasCachedMGT()) +
QString("\nsd->HasCachedAnyVCTs(): %1").arg(sd->HasCachedAnyVCTs()) +
QString("\nsd->HasCachedAllCVCTs(): %1").arg(sd->HasCachedAllCVCTs()) +
QString("\nsd->HasCachedAllTVCTs(): %1").arg(sd->HasCachedAllTVCTs()) +
QString("\ncurrentInfo->m_pmts.empty(): %1").arg(m_currentInfo->m_pmts.empty()) +
QString("\ncurrentInfo->m_nits.empty(): %1").arg(m_currentInfo->m_nits.empty()) +
QString("\ncurrentInfo->m_sdts.empty(): %1").arg(m_currentInfo->m_sdts.empty()) +
QString("\ncurrentInfo->m_bats.empty(): %1").arg(m_currentInfo->m_bats.empty()) +
QString("\ncurrentInfo->m_cvtcs.empty(): %1").arg(m_currentInfo->m_cvcts.empty()) +
QString("\ncurrentInfo->m_tvtcs.empty(): %1").arg(m_currentInfo->m_tvcts.empty()));
}
}
if (!wait_until_complete)
transport_tune_complete = true;
if (transport_tune_complete)
{
LOG(VB_CHANSCAN, LOG_INFO, LOC +
QString("transport_tune_complete: wait_until_complete %1").arg(wait_until_complete));
}
if (transport_tune_complete &&
/*!ignoreEncryptedServices &&*/ !m_currentEncryptionStatus.empty())
{
//GetDTVSignalMonitor()->GetStreamData()->StopTestingDecryption();
if (TestNextProgramEncryption())
return false;
QMap<uint, uint>::const_iterator it = m_currentEncryptionStatus.begin();
for (; it != m_currentEncryptionStatus.end(); ++it)
{
m_currentInfo->m_programEncryptionStatus[it.key()] = *it;
if (m_testDecryption)
{
QString msg_tr1 = QObject::tr("Program %1").arg(it.key());
QString msg_tr2 = QObject::tr("Unknown decryption status");
if (kEncEncrypted == *it)
msg_tr2 = QObject::tr("Encrypted");
else if (kEncDecrypted == *it)
msg_tr2 = QObject::tr("Decrypted");
QString msg_tr =QString("%1, %2").arg(msg_tr1).arg(msg_tr2);
m_scanMonitor->ScanAppendTextToLog(msg_tr);
}
QString msg = QString("Program %1").arg(it.key());
if (kEncEncrypted == *it)
msg = msg + " -- Encrypted";