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dvbstreamdata.cpp
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dvbstreamdata.cpp
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// -*- Mode: c++ -*-
// Copyright (c) 2003-2004, Daniel Thor Kristjansson
#include <algorithm>
#include <QSharedPointer>
#include "dvbstreamdata.h"
#include "dvbtables.h"
#include "mpegdescriptors.h"
#include "mpegtables.h"
#include "premieretables.h"
#include "eithelper.h"
static constexpr uint8_t MCA_EIT_TSID { 136 };
#define LOC QString("DVBStream[%1]: ").arg(m_cardId)
// service_id is synonymous with the MPEG program number in the PMT.
DVBStreamData::DVBStreamData(uint desired_netid, uint desired_tsid,
int desired_program, int cardnum, bool cacheTables)
: MPEGStreamData(desired_program, cardnum, cacheTables),
m_desiredNetId(desired_netid), m_desiredTsId(desired_tsid)
{
m_nitStatus.SetVersion(-1,0);
m_nitoStatus.SetVersion(-1,0);
AddListeningPID(PID::DVB_NIT_PID);
AddListeningPID(PID::DVB_SDT_PID);
AddListeningPID(PID::DVB_TDT_PID);
}
DVBStreamData::~DVBStreamData()
{
DVBStreamData::Reset(m_desiredNetId, m_desiredTsId, m_desiredProgram);
QMutexLocker locker(&m_listenerLock);
m_dvbMainListeners.clear();
m_dvbOtherListeners.clear();
m_dvbEitListeners.clear();
m_dvbHasEit.clear();
}
void DVBStreamData::SetDesiredService(uint netid, uint tsid, int serviceid)
{
bool reset = true;
if (HasCachedAllSDT(tsid, true))
{
sdt_const_ptr_t first_sdt = GetCachedSDT(tsid, 0, true);
uint networkID = first_sdt->OriginalNetworkID();
if (networkID == netid)
{
reset = false;
m_desiredNetId = netid;
m_desiredTsId = tsid;
uint last_section = first_sdt->LastSection();
ProcessSDT(m_desiredTsId, first_sdt);
ReturnCachedTable(first_sdt);
for (uint i = 1; i <= last_section; ++i)
{
sdt_const_ptr_t sdt = GetCachedSDT(m_desiredTsId, i, true);
ProcessSDT(m_desiredTsId, sdt);
ReturnCachedTable(sdt);
}
SetDesiredProgram(serviceid);
}
}
if (reset)
Reset(netid, tsid, serviceid);
}
/** \fn DVBStreamData::IsRedundant(uint,const PSIPTable&) const
* \brief Returns true if table already seen.
* \todo This is just a stub.
*/
bool DVBStreamData::IsRedundant(uint pid, const PSIPTable &psip) const
{
if (MPEGStreamData::IsRedundant(pid, psip))
return true;
const int table_id = psip.TableID();
const int version = psip.Version();
if (TableID::NIT == table_id)
{
return m_nitStatus.IsSectionSeen(version, psip.Section());
}
if (TableID::SDT == table_id)
{
return m_sdtStatus.IsSectionSeen(psip.TableIDExtension(), version, psip.Section());
}
if (TableID::TDT == table_id)
return false;
if (TableID::BAT == table_id)
{
return m_batStatus.IsSectionSeen(psip.TableIDExtension(), version, psip.Section());
}
bool is_eit = false;
if (PID::DVB_EIT_PID == pid || PID::FREESAT_EIT_PID == pid)
{
// Standard Now/Next Event Information Tables for this transport
is_eit |= TableID::PF_EIT == table_id;
// Standard Future Event Information Tables for this transport
is_eit |= (TableID::SC_EITbeg <= table_id &&
TableID::SC_EITend >= table_id);
}
if (is_eit)
{
uint service_id = psip.TableIDExtension();
uint key = (table_id<<16) | service_id;
return m_eitStatus.IsSectionSeen(key, version, psip.Section());
}
////////////////////////////////////////////////////////////////////////
// Other transport tables
if (TableID::NITo == table_id)
{
return m_nitoStatus.IsSectionSeen(version, psip.Section());
}
if (TableID::SDTo == table_id)
{
return m_sdtoStatus.IsSectionSeen(psip.TableIDExtension(), version, psip.Section());
}
if (PID::DVB_EIT_PID == pid || PID::FREESAT_EIT_PID == pid || PID::MCA_EIT_PID == pid)
{
// Standard Now/Next Event Information Tables for other transport
is_eit |= TableID::PF_EITo == table_id;
// Standard Future Event Information Tables for other transports
is_eit |= (TableID::SC_EITbego <= table_id &&
TableID::SC_EITendo >= table_id);
}
if (PID::DVB_DNLONG_EIT_PID == pid || PID::DVB_BVLONG_EIT_PID == pid)
{
// Dish Network and Bev Long Term Future Event Information
// for all transports
is_eit |= (TableID::DN_EITbego <= table_id &&
TableID::DN_EITendo >= table_id);
}
if (is_eit)
{
uint service_id = psip.TableIDExtension();
uint key = (table_id<<16) | service_id;
return m_eitStatus.IsSectionSeen(key, version, psip.Section());
}
if (((PID::PREMIERE_EIT_DIREKT_PID == pid) || (PID::PREMIERE_EIT_SPORT_PID == pid)) &&
TableID::PREMIERE_CIT == table_id)
{
uint content_id = PremiereContentInformationTable(psip).ContentID();
return m_citStatus.IsSectionSeen(content_id, version, psip.Section());
}
return false;
}
void DVBStreamData::Reset(uint desired_netid, uint desired_tsid,
int desired_serviceid)
{
MPEGStreamData::Reset(desired_serviceid);
m_desiredNetId = desired_netid;
m_desiredTsId = desired_tsid;
m_nitStatus.SetVersion(-1,0);
m_sdtStatus.clear();
m_eitStatus.clear();
m_citStatus.clear();
m_nitoStatus.SetVersion(-1,0);
m_sdtoStatus.clear();
m_batStatus.clear();
{
m_cacheLock.lock();
for (const auto & nit : std::as_const(m_cachedNit))
DeleteCachedTable(nit);
m_cachedNit.clear();
for (const auto & cached : std::as_const(m_cachedSdts))
DeleteCachedTable(cached);
m_cachedSdts.clear();
for (const auto & cached : std::as_const(m_cachedBats))
DeleteCachedTable(cached);
m_cachedBats.clear();
m_cacheLock.unlock();
}
AddListeningPID(PID::DVB_NIT_PID);
AddListeningPID(PID::DVB_SDT_PID);
AddListeningPID(PID::DVB_TDT_PID);
}
/** \fn DVBStreamData::HandleTables(uint pid, const PSIPTable&)
* \brief Process PSIP packets.
*/
bool DVBStreamData::HandleTables(uint pid, const PSIPTable &psip)
{
if (MPEGStreamData::HandleTables(pid, psip))
return true;
// If the user specified a network ID and that network ID is a NITo then change that NITo into
// the NIT and change the NIT into a NITo. See ticket #7486.
if (m_dvbRealNetworkId > 0)
{
if ((psip.TableID() == TableID::NIT && psip.TableIDExtension() != (uint)m_dvbRealNetworkId) ||
(psip.TableID() == TableID::NITo && psip.TableIDExtension() == (uint)m_dvbRealNetworkId) )
{
auto *nit = new NetworkInformationTable(psip);
if (!nit->Mutate())
{
delete nit;
return true;
}
bool retval = HandleTables(pid, *nit);
delete nit;
return retval;
}
}
if (IsRedundant(pid, psip))
return true;
switch (psip.TableID())
{
case TableID::NIT:
{
m_nitStatus.SetSectionSeen(psip.Version(), psip.Section(),
psip.LastSection());
if (m_cacheTables)
{
auto *nit = new NetworkInformationTable(psip);
CacheNIT(nit);
QMutexLocker locker(&m_listenerLock);
for (auto & listener : m_dvbMainListeners)
listener->HandleNIT(nit);
}
else
{
NetworkInformationTable nit(psip);
QMutexLocker locker(&m_listenerLock);
for (auto & listener : m_dvbMainListeners)
listener->HandleNIT(&nit);
}
return true;
}
case TableID::SDT:
{
uint tsid = psip.TableIDExtension();
m_sdtStatus.SetSectionSeen(tsid, psip.Version(), psip.Section(),
psip.LastSection());
if (m_cacheTables)
{
auto *sdt = new ServiceDescriptionTable(psip);
CacheSDT(sdt);
ProcessSDT(tsid, sdt);
}
else
{
ServiceDescriptionTable sdt(psip);
ProcessSDT(tsid, &sdt);
}
return true;
}
case TableID::TDT:
{
TimeDateTable tdt(psip);
UpdateTimeOffset(tdt.UTCUnix());
QMutexLocker locker(&m_listenerLock);
for (auto & listener : m_dvbMainListeners)
listener->HandleTDT(&tdt);
return true;
}
case TableID::NITo:
{
m_nitoStatus.SetSectionSeen(psip.Version(), psip.Section(),
psip.LastSection());
NetworkInformationTable nit(psip);
QMutexLocker locker(&m_listenerLock);
for (auto & listener : m_dvbOtherListeners)
listener->HandleNITo(&nit);
return true;
}
case TableID::SDTo:
{
uint tsid = psip.TableIDExtension();
m_sdtoStatus.SetSectionSeen(tsid, psip.Version(), psip.Section(),
psip.LastSection());
ServiceDescriptionTable sdt(psip);
// some providers send the SDT for the current multiplex as SDTo
// this routine changes the TableID to SDT and recalculates the CRC
if (m_desiredNetId == sdt.OriginalNetworkID() &&
m_desiredTsId == tsid)
{
auto *sdta = new ServiceDescriptionTable(psip);
if (!sdta->Mutate())
{
delete sdta;
return true;
}
if (m_cacheTables)
{
CacheSDT(sdta);
ProcessSDT(tsid, sdta);
}
else
{
ProcessSDT(tsid, sdta);
delete sdta;
}
return true;
}
QMutexLocker locker(&m_listenerLock);
for (auto & listener : m_dvbOtherListeners)
listener->HandleSDTo(tsid, &sdt);
return true;
}
case TableID::BAT:
{
uint bouquet_id = psip.TableIDExtension();
m_batStatus.SetSectionSeen(bouquet_id, psip.Version(), psip.Section(),
psip.LastSection());
if (m_cacheTables)
{
auto *bat = new BouquetAssociationTable(psip);
CacheBAT(bat);
QMutexLocker locker(&m_listenerLock);
for (auto & listener : m_dvbOtherListeners)
listener->HandleBAT(bat);
}
else
{
BouquetAssociationTable bat(psip);
QMutexLocker locker(&m_listenerLock);
for (auto & listener : m_dvbOtherListeners)
listener->HandleBAT(&bat);
}
return true;
}
}
if ((PID::DVB_EIT_PID == pid || PID::DVB_DNLONG_EIT_PID == pid || PID::FREESAT_EIT_PID == pid ||
((OriginalNetworkID::MCA == m_desiredNetId) && (MCA_EIT_TSID == m_desiredTsId) &&
(PID::MCA_EIT_PID == pid)) || PID::DVB_BVLONG_EIT_PID == pid) &&
DVBEventInformationTable::IsEIT(psip.TableID()))
{
QMutexLocker locker(&m_listenerLock);
if (m_dvbEitListeners.empty() && !m_eitHelper)
return true;
uint service_id = psip.TableIDExtension();
uint key = (psip.TableID()<<16) | service_id;
m_eitStatus.SetSectionSeen(key, psip.Version(), psip.Section(),
psip.LastSection());
DVBEventInformationTable eit(psip);
for (auto & listener : m_dvbEitListeners)
listener->HandleEIT(&eit);
if (m_eitHelper)
m_eitHelper->AddEIT(&eit);
return true;
}
if (m_desiredNetId == OriginalNetworkID::PREMIERE &&
(PID::PREMIERE_EIT_DIREKT_PID == pid || PID::PREMIERE_EIT_SPORT_PID == pid) &&
PremiereContentInformationTable::IsEIT(psip.TableID()))
{
QMutexLocker locker(&m_listenerLock);
if (m_dvbEitListeners.empty() && !m_eitHelper)
return true;
PremiereContentInformationTable cit(psip);
m_citStatus.SetSectionSeen(cit.ContentID(), psip.Version(), psip.Section(), psip.LastSection());
for (auto & listener : m_dvbEitListeners)
listener->HandleEIT(&cit);
if (m_eitHelper)
m_eitHelper->AddEIT(&cit);
return true;
}
return false;
}
void DVBStreamData::ProcessSDT(uint tsid, const ServiceDescriptionTable *sdt)
{
QMutexLocker locker(&m_listenerLock);
for (uint i = 0; i < sdt->ServiceCount(); i++)
{
/*
* FIXME always signal EIT presence. We filter later. To many
* networks set these flags wrong.
* This allows the user to simply set useonairguide on a
* channel manually.
*/
#if 0
if (sdt->HasEITSchedule(i) || sdt->HasEITPresentFollowing(i))
#endif
m_dvbHasEit[sdt->ServiceID(i)] = true;
}
for (auto & listener : m_dvbMainListeners)
listener->HandleSDT(tsid, sdt);
}
bool DVBStreamData::HasEITPIDChanges(const uint_vec_t &in_use_pids) const
{
QMutexLocker locker(&m_listenerLock);
bool want_eit = (m_eitRate >= 0.5F) && HasAnyEIT();
bool has_eit = !in_use_pids.empty();
return want_eit != has_eit;
}
bool DVBStreamData::GetEITPIDChanges(const uint_vec_t &cur_pids,
uint_vec_t &add_pids,
uint_vec_t &del_pids) const
{
QMutexLocker locker(&m_listenerLock);
if ((m_eitRate >= 0.5F) && HasAnyEIT())
{
if (find(cur_pids.begin(), cur_pids.end(),
(uint) PID::DVB_EIT_PID) == cur_pids.end())
{
add_pids.push_back(PID::DVB_EIT_PID);
}
if (m_dvbEitDishnetLong &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::DVB_DNLONG_EIT_PID) == cur_pids.end())
{
add_pids.push_back(PID::DVB_DNLONG_EIT_PID);
}
if (m_dvbEitDishnetLong &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::DVB_BVLONG_EIT_PID) == cur_pids.end())
{
add_pids.push_back(PID::DVB_BVLONG_EIT_PID);
}
#if 0
// OpenTV EIT pids
if (m_dvbEitDishnetLong)
{
for (uint pid = PID::OTV_EIT_TIT_PID_START; pid <= PID::OTV_EIT_TIT_PID_END; pid++)
{
if (find(cur_pids.begin(), cur_pids.end(),
pid) == cur_pids.end())
add_pids.push_back(pid);
}
for (uint pid = PID::OTV_EIT_SUP_PID_START; pid <= PID::OTV_EIT_SUP_PID_END; pid++)
{
if (find(cur_pids.begin(), cur_pids.end(),
pid) == cur_pids.end())
add_pids.push_back(pid);
}
}
#endif
if (m_desiredNetId == OriginalNetworkID::PREMIERE &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::PREMIERE_EIT_DIREKT_PID) == cur_pids.end())
{
add_pids.push_back(PID::PREMIERE_EIT_DIREKT_PID);
}
if (m_desiredNetId == OriginalNetworkID::PREMIERE &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::PREMIERE_EIT_SPORT_PID) == cur_pids.end())
{
add_pids.push_back(PID::PREMIERE_EIT_SPORT_PID);
}
if (m_desiredNetId == OriginalNetworkID::SES2 &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::FREESAT_EIT_PID) == cur_pids.end())
{
add_pids.push_back(PID::FREESAT_EIT_PID);
}
if (OriginalNetworkID::MCA == m_desiredNetId && MCA_EIT_TSID == m_desiredTsId &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::MCA_EIT_PID) == cur_pids.end())
{
add_pids.push_back(PID::MCA_EIT_PID);
}
}
else
{
if (find(cur_pids.begin(), cur_pids.end(),
(uint) PID::DVB_EIT_PID) != cur_pids.end())
{
del_pids.push_back(PID::DVB_EIT_PID);
}
if (m_dvbEitDishnetLong &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::DVB_DNLONG_EIT_PID) != cur_pids.end())
{
del_pids.push_back(PID::DVB_DNLONG_EIT_PID);
}
if (m_dvbEitDishnetLong &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::DVB_BVLONG_EIT_PID) != cur_pids.end())
{
del_pids.push_back(PID::DVB_BVLONG_EIT_PID);
}
#if 0
// OpenTV EIT pids
if (m_dvbEitDishnetLong)
{
for (uint pid = PID::OTV_EIT_TIT_PID_START; pid <= PID::OTV_EIT_TIT_PID_END; pid++)
{
if (find(cur_pids.begin(), cur_pids.end(),
pid) != cur_pids.end())
del_pids.push_back(pid);
}
for(uint pid=PID::OTV_EIT_SUP_PID_START; pid <= PID::OTV_EIT_SUP_PID_END; pid++)
{
if (find(cur_pids.begin(), cur_pids.end(),
pid) != cur_pids.end())
del_pids.push_back(pid);
}
}
#endif
if (m_desiredNetId == OriginalNetworkID::PREMIERE &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::PREMIERE_EIT_DIREKT_PID) != cur_pids.end())
{
del_pids.push_back(PID::PREMIERE_EIT_DIREKT_PID);
}
if (m_desiredNetId == OriginalNetworkID::PREMIERE &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::PREMIERE_EIT_SPORT_PID) != cur_pids.end())
{
del_pids.push_back(PID::PREMIERE_EIT_SPORT_PID);
}
if (m_desiredNetId == OriginalNetworkID::SES2 &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::FREESAT_EIT_PID) != cur_pids.end())
{
del_pids.push_back(PID::FREESAT_EIT_PID);
}
if (OriginalNetworkID::MCA == m_desiredNetId && MCA_EIT_TSID == m_desiredTsId &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PID::MCA_EIT_PID) != cur_pids.end())
{
del_pids.push_back(PID::MCA_EIT_PID);
}
}
return !add_pids.empty() || !del_pids.empty();
}
bool DVBStreamData::HasAllNITSections(void) const
{
return m_nitStatus.HasAllSections();
}
bool DVBStreamData::HasAllNIToSections(void) const
{
return m_nitoStatus.HasAllSections();
}
bool DVBStreamData::HasAllSDTSections(uint tsid) const
{
return m_sdtStatus.HasAllSections(tsid);
}
bool DVBStreamData::HasAllSDToSections(uint tsid) const
{
return m_sdtoStatus.HasAllSections(tsid);
}
bool DVBStreamData::HasAllBATSections(uint bid) const
{
return m_batStatus.HasAllSections(bid);
}
bool DVBStreamData::HasCachedAnyNIT(bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
return !m_cachedNit.empty();
}
bool DVBStreamData::HasCachedAllNIT(bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
if (m_cachedNit.empty())
return false;
uint last_section = (*m_cachedNit.begin())->LastSection();
if (!last_section)
return true;
for (uint i = 0; i <= last_section; i++)
if (m_cachedNit.find(i) == m_cachedNit.end())
return false;
return true;
}
bool DVBStreamData::HasCachedAnyBAT(uint batid, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
for (uint i = 0; i <= 255; i++)
if (m_cachedBats.find((batid << 8) | i) != m_cachedBats.end())
return true;
return false;
}
bool DVBStreamData::HasCachedAllBAT(uint batid, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
bat_cache_t::const_iterator it = m_cachedBats.constFind(batid << 8);
if (it == m_cachedBats.constEnd())
return false;
uint last_section = (*it)->LastSection();
if (!last_section)
return true;
for (uint i = 1; i <= last_section; i++)
if (m_cachedBats.constFind((batid << 8) | i) == m_cachedBats.constEnd())
return false;
return true;
}
bool DVBStreamData::HasCachedAnyBATs(bool /*current*/) const
{
QMutexLocker locker(&m_cacheLock);
return !m_cachedBats.empty();
}
bool DVBStreamData::HasCachedAllBATs(bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (m_cachedBats.empty())
return false;
for (auto it = m_cachedBats.cbegin(); it != m_cachedBats.cend(); ++it)
{
if (!HasCachedAllBAT(it.key() >> 8, current))
return false;
}
return true;
}
bool DVBStreamData::HasCachedAllSDT(uint tsid, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
sdt_cache_t::const_iterator it = m_cachedSdts.constFind(tsid << 8);
if (it == m_cachedSdts.constEnd())
return false;
uint last_section = (*it)->LastSection();
if (!last_section)
return true;
for (uint i = 1; i <= last_section; i++)
if (m_cachedSdts.constFind((tsid << 8) | i) == m_cachedSdts.constEnd())
return false;
return true;
}
bool DVBStreamData::HasCachedAnySDT(uint tsid, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
for (uint i = 0; i <= 255; i++)
if (m_cachedSdts.find((tsid << 8) | i) != m_cachedSdts.end())
return true;
return false;
}
bool DVBStreamData::HasCachedSDT(bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (m_cachedNit.empty())
return false;
for (auto *nit : std::as_const(m_cachedNit))
{
for (uint i = 0; i < nit->TransportStreamCount(); i++)
{
if (HasCachedAllSDT(nit->TSID(i), current))
return true;
}
}
return false;
}
bool DVBStreamData::HasCachedAnySDTs(bool /*current*/) const
{
QMutexLocker locker(&m_cacheLock);
return !m_cachedSdts.empty();
}
bool DVBStreamData::HasCachedAllSDTs(bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (m_cachedNit.empty())
return false;
for (auto *nit : std::as_const(m_cachedNit))
{
if ((int)nit->TransportStreamCount() > m_cachedSdts.size())
return false;
for (uint i = 0; i < nit->TransportStreamCount(); i++)
if (!HasCachedAllSDT(nit->TSID(i), current))
return false;
}
return true;
}
nit_const_ptr_t DVBStreamData::GetCachedNIT(
uint section_num, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
nit_ptr_t nit = nullptr;
nit_cache_t::const_iterator it = m_cachedNit.constFind(section_num);
if (it != m_cachedNit.constEnd())
IncrementRefCnt(nit = *it);
return nit;
}
nit_vec_t DVBStreamData::GetCachedNIT(bool current) const
{
QMutexLocker locker(&m_cacheLock);
nit_vec_t nits;
for (uint i = 0; i < 256; i++)
{
nit_const_ptr_t nit = GetCachedNIT(i, current);
if (nit)
nits.push_back(nit);
}
return nits;
}
bat_const_ptr_t DVBStreamData::GetCachedBAT(
uint batid, uint section_num, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
bat_ptr_t bat = nullptr;
uint key = (batid << 8) | section_num;
bat_cache_t::const_iterator it = m_cachedBats.constFind(key);
if (it != m_cachedBats.constEnd())
IncrementRefCnt(bat = *it);
return bat;
}
bat_vec_t DVBStreamData::GetCachedBATs(bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
bat_vec_t bats;
for (auto *bat : std::as_const(m_cachedBats))
{
IncrementRefCnt(bat);
bats.push_back(bat);
}
return bats;
}
sdt_const_ptr_t DVBStreamData::GetCachedSDT(
uint tsid, uint section_num, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
sdt_ptr_t sdt = nullptr;
uint key = (tsid << 8) | section_num;
sdt_cache_t::const_iterator it = m_cachedSdts.constFind(key);
if (it != m_cachedSdts.constEnd())
IncrementRefCnt(sdt = *it);
return sdt;
}
sdt_vec_t DVBStreamData::GetCachedSDTSections(uint tsid, bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
sdt_vec_t sdts;
sdt_const_ptr_t sdt = GetCachedSDT(tsid, 0);
if (sdt)
{
uint lastSection = sdt->LastSection();
sdts.push_back(sdt);
for (uint section = 1; section <= lastSection; section++)
{
sdt = GetCachedSDT(tsid, section);
if (sdt)
sdts.push_back(sdt);
}
}
return sdts;
}
sdt_vec_t DVBStreamData::GetCachedSDTs(bool current) const
{
QMutexLocker locker(&m_cacheLock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Currently we ignore \'current\' param");
sdt_vec_t sdts;
for (auto *sdt : std::as_const(m_cachedSdts))
{
IncrementRefCnt(sdt);
sdts.push_back(sdt);
}
return sdts;
}
void DVBStreamData::ReturnCachedSDTTables(sdt_vec_t &sdts) const
{
for (auto & sdt : sdts)
ReturnCachedTable(sdt);
sdts.clear();
}
bool DVBStreamData::DeleteCachedTable(const PSIPTable *psip) const
{
if (!psip)
return false;
uint tid = psip->TableIDExtension(); // For SDTs
uint bid = psip->TableIDExtension(); // For BATs
QMutexLocker locker(&m_cacheLock);
if (m_cachedRefCnt[psip] > 0)
{
m_cachedSlatedForDeletion[psip] = 1;
return false;
}
if ((TableID::NIT == psip->TableID()) &&
m_cachedNit[psip->Section()])
{
m_cachedNit[psip->Section()] = nullptr;
delete psip;
}
else if ((TableID::SDT == psip->TableID()) &&
m_cachedSdts[tid << 8 | psip->Section()])
{
m_cachedSdts[tid << 8 | psip->Section()] = nullptr;
delete psip;
}
else if ((TableID::BAT == psip->TableID()) &&
m_cachedBats[bid << 8 | psip->Section()])
{
m_cachedBats[bid << 8 | psip->Section()] = nullptr;
delete psip;
}
else
{
return MPEGStreamData::DeleteCachedTable(psip);
}
psip_refcnt_map_t::iterator it;
it = m_cachedSlatedForDeletion.find(psip);
if (it != m_cachedSlatedForDeletion.end())
m_cachedSlatedForDeletion.erase(it);
return true;
}
void DVBStreamData::CacheNIT(NetworkInformationTable *nit)
{
QMutexLocker locker(&m_cacheLock);
nit_cache_t::iterator it = m_cachedNit.find(nit->Section());
if (it != m_cachedNit.end())
DeleteCachedTable(*it);
m_cachedNit[nit->Section()] = nit;
}
void DVBStreamData::CacheBAT(BouquetAssociationTable *bat)
{
uint key = (bat->BouquetID() << 8) | bat->Section();
QMutexLocker locker(&m_cacheLock);
bat_cache_t::iterator it = m_cachedBats.find(key);
if (it != m_cachedBats.end())