/
dvbstreamdata.cpp
1040 lines (866 loc) · 29.1 KB
/
dvbstreamdata.cpp
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// -*- Mode: c++ -*-
// Copyright (c) 2003-2004, Daniel Thor Kristjansson
#include <algorithm>
using namespace std;
#include "dvbstreamdata.h"
#include "dvbtables.h"
#include "premieretables.h"
#include "eithelper.h"
#define PREMIERE_ONID 133
#define FREESAT_EIT_PID 3842
#define MCA_ONID 6144
#define MCA_EIT_TSID 136
#define MCA_EIT_PID 1018
// service_id is synonymous with the MPEG program number in the PMT.
DVBStreamData::DVBStreamData(uint desired_netid, uint desired_tsid,
int desired_program, bool cacheTables)
: MPEGStreamData(desired_program, cacheTables),
_desired_netid(desired_netid), _desired_tsid(desired_tsid),
_dvb_eit_dishnet_long(false),
_nit_version(-2), _nito_version(-2)
{
SetVersionNIT(-1,0);
SetVersionNITo(-1,0);
AddListeningPID(DVB_NIT_PID);
AddListeningPID(DVB_SDT_PID);
AddListeningPID(DVB_TDT_PID);
}
DVBStreamData::~DVBStreamData()
{
Reset();
QMutexLocker locker(&_listener_lock);
_dvb_main_listeners.clear();
_dvb_other_listeners.clear();
_dvb_eit_listeners.clear();
_dvb_has_eit.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;
_desired_netid = netid;
_desired_tsid = tsid;
uint last_section = first_sdt->LastSection();
ProcessSDT(_desired_tsid, first_sdt);
ReturnCachedTable(first_sdt);
for (uint i = 1; i <= last_section; ++i)
{
sdt_const_ptr_t sdt = GetCachedSDT(_desired_tsid, i, true);
ProcessSDT(_desired_tsid, sdt);
ReturnCachedTable(sdt);
}
SetDesiredProgram(serviceid);
}
}
if (reset)
ResetDVB(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)
{
if (VersionNIT() != version)
return false;
return NITSectionSeen(psip.Section());
}
if (TableID::SDT == table_id)
{
if (VersionSDT(psip.TableIDExtension()) != version)
return false;
return SDTSectionSeen(psip.TableIDExtension(), psip.Section());
}
if (TableID::TDT == table_id)
return false;
if (TableID::BAT == table_id)
{
if (VersionBAT(psip.TableIDExtension()) != version)
return false;
return BATSectionSeen(psip.TableIDExtension(), psip.Section());
}
bool is_eit = false;
if (DVB_EIT_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();
if (VersionEIT(table_id, service_id) != version)
return false;
return EITSectionSeen(table_id, service_id, psip.Section());
}
////////////////////////////////////////////////////////////////////////
// Other transport tables
if (TableID::NITo == table_id)
{
if (VersionNITo() != version)
return false;
return NIToSectionSeen(psip.Section());
}
if (TableID::SDTo == table_id)
{
if (VersionSDTo(psip.TableIDExtension()) != version)
return false;
return SDToSectionSeen(psip.TableIDExtension(), psip.Section());
}
if (DVB_EIT_PID == pid || FREESAT_EIT_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 (DVB_DNLONG_EIT_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();
if (VersionEIT(table_id, service_id) != version)
return false;
return EITSectionSeen(table_id, service_id, psip.Section());
}
if (((PREMIERE_EIT_DIREKT_PID == pid) || (PREMIERE_EIT_SPORT_PID == pid)) &&
TableID::PREMIERE_CIT == table_id)
{
uint content_id = PremiereContentInformationTable(psip).ContentID();
if (VersionCIT(content_id) != version)
return false;
return CITSectionSeen(content_id, psip.Section());
}
return false;
}
void DVBStreamData::ResetMPEG(int desiredProgram)
{
ResetDVB(0, 0, desiredProgram);
}
void DVBStreamData::ResetDVB(uint desired_netid, uint desired_tsid,
int desired_serviceid)
{
MPEGStreamData::ResetMPEG(desired_serviceid);
_desired_netid = desired_netid;
_desired_tsid = desired_tsid;
SetVersionNIT(-1,0);
_sdt_versions.clear();
_sdt_section_seen.clear();
_eit_version.clear();
_eit_section_seen.clear();
_cit_version.clear();
_cit_section_seen.clear();
SetVersionNITo(-1,0);
_sdto_versions.clear();
_sdto_section_seen.clear();
_bat_versions.clear();
_bat_section_seen.clear();
{
_cache_lock.lock();
nit_cache_t::iterator nit = _cached_nit.begin();
for (; nit != _cached_nit.end(); ++nit)
DeleteCachedTable(*nit);
_cached_nit.clear();
sdt_cache_t::iterator sit = _cached_sdts.begin();
for (; sit != _cached_sdts.end(); ++sit)
DeleteCachedTable(*sit);
_cached_sdts.clear();
_cache_lock.unlock();
}
AddListeningPID(DVB_NIT_PID);
AddListeningPID(DVB_SDT_PID);
AddListeningPID(DVB_TDT_PID);
}
/** \fn DVBStreamData::HandleTables(uint pid, const PSIPTable&)
* \brief Assembles PSIP packets and processes them.
* \todo This is just a stub.
*/
bool DVBStreamData::HandleTables(uint pid, const PSIPTable &psip)
{
if (MPEGStreamData::HandleTables(pid, psip))
return true;
if (IsRedundant(pid, psip))
return true;
switch (psip.TableID())
{
case TableID::NIT:
{
SetVersionNIT(psip.Version(), psip.LastSection());
SetNITSectionSeen(psip.Section());
if (_cache_tables)
{
NetworkInformationTable *nit =
new NetworkInformationTable(psip);
CacheNIT(nit);
QMutexLocker locker(&_listener_lock);
for (uint i = 0; i < _dvb_main_listeners.size(); i++)
_dvb_main_listeners[i]->HandleNIT(nit);
}
else
{
NetworkInformationTable nit(psip);
QMutexLocker locker(&_listener_lock);
for (uint i = 0; i < _dvb_main_listeners.size(); i++)
_dvb_main_listeners[i]->HandleNIT(&nit);
}
return true;
}
case TableID::SDT:
{
uint tsid = psip.TableIDExtension();
SetVersionSDT(tsid, psip.Version(), psip.LastSection());
SetSDTSectionSeen(tsid, psip.Section());
if (_cache_tables)
{
ServiceDescriptionTable *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(&_listener_lock);
for (uint i = 0; i < _dvb_main_listeners.size(); i++)
_dvb_main_listeners[i]->HandleTDT(&tdt);
return true;
}
case TableID::NITo:
{
SetVersionNITo(psip.Version(), psip.LastSection());
SetNIToSectionSeen(psip.Section());
NetworkInformationTable nit(psip);
QMutexLocker locker(&_listener_lock);
for (uint i = 0; i < _dvb_other_listeners.size(); i++)
_dvb_other_listeners[i]->HandleNITo(&nit);
return true;
}
case TableID::SDTo:
{
uint tsid = psip.TableIDExtension();
SetVersionSDTo(tsid, psip.Version(), psip.LastSection());
SetSDToSectionSeen(tsid, psip.Section());
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 (_desired_netid == sdt.OriginalNetworkID() &&
_desired_tsid == tsid)
{
ServiceDescriptionTable *sdta =
new ServiceDescriptionTable(psip);
if (!sdta->Mutate())
{
delete sdta;
return true;
}
if (_cache_tables)
{
CacheSDT(sdta);
ProcessSDT(tsid, sdta);
}
else
{
ProcessSDT(tsid, sdta);
delete sdta;
}
return true;
}
QMutexLocker locker(&_listener_lock);
for (uint i = 0; i < _dvb_other_listeners.size(); i++)
_dvb_other_listeners[i]->HandleSDTo(tsid, &sdt);
return true;
}
case TableID::BAT:
{
uint bid = psip.TableIDExtension();
SetVersionBAT(bid, psip.Version(), psip.LastSection());
SetBATSectionSeen(bid, psip.Section());
BouquetAssociationTable bat(psip);
QMutexLocker locker(&_listener_lock);
for (uint i = 0; i < _dvb_other_listeners.size(); i++)
_dvb_other_listeners[i]->HandleBAT(&bat);
return true;
}
}
if ((DVB_EIT_PID == pid || DVB_DNLONG_EIT_PID == pid || FREESAT_EIT_PID == pid ||
((MCA_ONID == _desired_netid) && (MCA_EIT_TSID == _desired_tsid) &&
(MCA_EIT_PID == pid)) || DVB_BVLONG_EIT_PID == pid) &&
DVBEventInformationTable::IsEIT(psip.TableID()))
{
QMutexLocker locker(&_listener_lock);
if (!_dvb_eit_listeners.size() && !_eit_helper)
return true;
uint service_id = psip.TableIDExtension();
SetVersionEIT(psip.TableID(), service_id, psip.Version(), psip.LastSection());
SetEITSectionSeen(psip.TableID(), service_id, psip.Section());
DVBEventInformationTable eit(psip);
for (uint i = 0; i < _dvb_eit_listeners.size(); i++)
_dvb_eit_listeners[i]->HandleEIT(&eit);
if (_eit_helper)
_eit_helper->AddEIT(&eit);
return true;
}
if (_desired_netid == PREMIERE_ONID &&
(PREMIERE_EIT_DIREKT_PID == pid || PREMIERE_EIT_SPORT_PID == pid) &&
PremiereContentInformationTable::IsEIT(psip.TableID()))
{
QMutexLocker locker(&_listener_lock);
if (!_dvb_eit_listeners.size() && !_eit_helper)
return true;
PremiereContentInformationTable cit(psip);
SetVersionCIT(cit.ContentID(), cit.Version());
SetCITSectionSeen(cit.ContentID(), cit.Section());
for (uint i = 0; i < _dvb_eit_listeners.size(); i++)
_dvb_eit_listeners[i]->HandleEIT(&cit);
if (_eit_helper)
_eit_helper->AddEIT(&cit);
return true;
}
return false;
}
void DVBStreamData::ProcessSDT(uint tsid, const ServiceDescriptionTable *sdt)
{
QMutexLocker locker(&_listener_lock);
for (uint i = 0; i < sdt->ServiceCount(); i++)
{
if (sdt->HasEITSchedule(i) || sdt->HasEITPresentFollowing(i))
_dvb_has_eit[sdt->ServiceID(i)] = true;
}
for (uint i = 0; i < _dvb_main_listeners.size(); i++)
_dvb_main_listeners[i]->HandleSDT(tsid, sdt);
}
bool DVBStreamData::HasEITPIDChanges(const uint_vec_t &in_use_pids) const
{
QMutexLocker locker(&_listener_lock);
bool want_eit = (_eit_rate >= 0.5f) && HasAnyEIT();
bool has_eit = in_use_pids.size();
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(&_listener_lock);
if ((_eit_rate >= 0.5f) && HasAnyEIT())
{
if (find(cur_pids.begin(), cur_pids.end(),
(uint) DVB_EIT_PID) == cur_pids.end())
{
add_pids.push_back(DVB_EIT_PID);
}
if (_dvb_eit_dishnet_long &&
find(cur_pids.begin(), cur_pids.end(),
(uint) DVB_DNLONG_EIT_PID) == cur_pids.end())
{
add_pids.push_back(DVB_DNLONG_EIT_PID);
}
if (_dvb_eit_dishnet_long &&
find(cur_pids.begin(), cur_pids.end(),
(uint) DVB_BVLONG_EIT_PID) == cur_pids.end())
{
add_pids.push_back(DVB_BVLONG_EIT_PID);
}
if (_desired_netid == PREMIERE_ONID &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PREMIERE_EIT_DIREKT_PID) == cur_pids.end())
{
add_pids.push_back(PREMIERE_EIT_DIREKT_PID);
}
if (_desired_netid == PREMIERE_ONID &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PREMIERE_EIT_SPORT_PID) == cur_pids.end())
{
add_pids.push_back(PREMIERE_EIT_SPORT_PID);
}
if (find(cur_pids.begin(), cur_pids.end(),
(uint) FREESAT_EIT_PID) == cur_pids.end())
{
add_pids.push_back(FREESAT_EIT_PID);
}
if (MCA_ONID == _desired_netid && MCA_EIT_TSID == _desired_tsid &&
find(cur_pids.begin(), cur_pids.end(),
(uint) MCA_EIT_PID) == cur_pids.end())
{
add_pids.push_back(MCA_EIT_PID);
}
}
else
{
if (find(cur_pids.begin(), cur_pids.end(),
(uint) DVB_EIT_PID) != cur_pids.end())
{
del_pids.push_back(DVB_EIT_PID);
}
if (_dvb_eit_dishnet_long &&
find(cur_pids.begin(), cur_pids.end(),
(uint) DVB_DNLONG_EIT_PID) != cur_pids.end())
{
del_pids.push_back(DVB_DNLONG_EIT_PID);
}
if (_dvb_eit_dishnet_long &&
find(cur_pids.begin(), cur_pids.end(),
(uint) DVB_BVLONG_EIT_PID) != cur_pids.end())
{
del_pids.push_back(DVB_BVLONG_EIT_PID);
}
if (_desired_netid == PREMIERE_ONID &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PREMIERE_EIT_DIREKT_PID) != cur_pids.end())
{
del_pids.push_back(PREMIERE_EIT_DIREKT_PID);
}
if (_desired_netid == PREMIERE_ONID &&
find(cur_pids.begin(), cur_pids.end(),
(uint) PREMIERE_EIT_SPORT_PID) != cur_pids.end())
{
del_pids.push_back(PREMIERE_EIT_SPORT_PID);
}
if (find(cur_pids.begin(), cur_pids.end(),
(uint) FREESAT_EIT_PID) != cur_pids.end())
{
del_pids.push_back(FREESAT_EIT_PID);
}
if (MCA_ONID == _desired_netid && MCA_EIT_TSID == _desired_tsid &&
find(cur_pids.begin(), cur_pids.end(),
(uint) MCA_EIT_PID) != cur_pids.end())
{
del_pids.push_back(MCA_EIT_PID);
}
}
return add_pids.size() || del_pids.size();
}
void DVBStreamData::SetNITSectionSeen(uint section)
{
_nit_section_seen[section>>3] |= bit_sel[section & 0x7];
}
bool DVBStreamData::NITSectionSeen(uint section) const
{
return (bool) (_nit_section_seen[section>>3] & bit_sel[section & 0x7]);
}
bool DVBStreamData::HasAllNITSections(void) const
{
for (uint i = 0; i < 32; i++)
if (_nit_section_seen[i] != 0xff)
return false;
return true;
}
void DVBStreamData::SetNIToSectionSeen(uint section)
{
_nito_section_seen[section>>3] |= bit_sel[section & 0x7];
}
bool DVBStreamData::NIToSectionSeen(uint section) const
{
return (bool) (_nito_section_seen[section>>3] & bit_sel[section & 0x7]);
}
bool DVBStreamData::HasAllNIToSections(void) const
{
for (uint i = 0; i < 32; i++)
if (_nito_section_seen[i] != 0xff)
return false;
return true;
}
void DVBStreamData::SetSDTSectionSeen(uint tsid, uint section)
{
sections_map_t::iterator it = _sdt_section_seen.find(tsid);
if (it == _sdt_section_seen.end())
{
_sdt_section_seen[tsid].resize(32, 0);
it = _sdt_section_seen.find(tsid);
}
(*it)[section>>3] |= bit_sel[section & 0x7];
}
bool DVBStreamData::SDTSectionSeen(uint tsid, uint section) const
{
sections_map_t::const_iterator it = _sdt_section_seen.find(tsid);
if (it == _sdt_section_seen.end())
return false;
return (bool) ((*it)[section>>3] & bit_sel[section & 0x7]);
}
bool DVBStreamData::HasAllSDTSections(uint tsid) const
{
sections_map_t::const_iterator it = _sdt_section_seen.find(tsid);
if (it == _sdt_section_seen.end())
return false;
for (uint i = 0; i < 32; i++)
if ((*it)[i] != 0xff)
return false;
return true;
}
void DVBStreamData::SetSDToSectionSeen(uint tsid, uint section)
{
sections_map_t::iterator it = _sdto_section_seen.find(tsid);
if (it == _sdto_section_seen.end())
{
_sdto_section_seen[tsid].resize(32, 0);
it = _sdto_section_seen.find(tsid);
}
(*it)[section>>3] |= bit_sel[section & 0x7];
}
bool DVBStreamData::SDToSectionSeen(uint tsid, uint section) const
{
sections_map_t::const_iterator it = _sdto_section_seen.find(tsid);
if (it == _sdto_section_seen.end())
return false;
return (bool) ((*it)[section>>3] & bit_sel[section & 0x7]);
}
bool DVBStreamData::HasAllSDToSections(uint tsid) const
{
sections_map_t::const_iterator it = _sdto_section_seen.find(tsid);
if (it == _sdto_section_seen.end())
return false;
for (uint i = 0; i < 32; i++)
if ((*it)[i] != 0xff)
return false;
return true;
}
void DVBStreamData::SetBATSectionSeen(uint bid, uint section)
{
sections_map_t::iterator it = _bat_section_seen.find(bid);
if (it == _bat_section_seen.end())
{
_bat_section_seen[bid].resize(32, 0);
it = _bat_section_seen.find(bid);
}
(*it)[section>>3] |= bit_sel[section & 0x7];
}
bool DVBStreamData::BATSectionSeen(uint bid, uint section) const
{
sections_map_t::const_iterator it = _bat_section_seen.find(bid);
if (it == _bat_section_seen.end())
return false;
return (bool) ((*it)[section>>3] & bit_sel[section & 0x7]);
}
bool DVBStreamData::HasAllBATSections(uint bid) const
{
sections_map_t::const_iterator it = _bat_section_seen.find(bid);
if (it == _bat_section_seen.end())
return false;
for (uint i = 0; i < 32; i++)
if ((*it)[i] != 0xff)
return false;
return true;
}
void DVBStreamData::SetEITSectionSeen(uint tableid, uint serviceid,
uint section)
{
uint key = (tableid<<16) | serviceid;
sections_map_t::iterator it = _eit_section_seen.find(key);
if (it == _eit_section_seen.end())
{
_eit_section_seen[key].resize(32, 0);
it = _eit_section_seen.find(key);
}
(*it)[section>>3] |= bit_sel[section & 0x7];
}
bool DVBStreamData::EITSectionSeen(uint tableid, uint serviceid,
uint section) const
{
uint key = (tableid<<16) | serviceid;
sections_map_t::const_iterator it = _eit_section_seen.find(key);
if (it == _eit_section_seen.end())
return false;
return (bool) ((*it)[section>>3] & bit_sel[section & 0x7]);
}
void DVBStreamData::SetCITSectionSeen(uint contentid, uint section)
{
sections_map_t::iterator it = _cit_section_seen.find(contentid);
if (it == _cit_section_seen.end())
{
_cit_section_seen[contentid].resize(32, 0);
it = _cit_section_seen.find(contentid);
}
(*it)[section>>3] |= bit_sel[section & 0x7];
}
bool DVBStreamData::CITSectionSeen(uint contentid, uint section) const
{
sections_map_t::const_iterator it = _cit_section_seen.find(contentid);
if (it == _cit_section_seen.end())
return false;
return (bool) ((*it)[section>>3] & bit_sel[section & 0x7]);
}
bool DVBStreamData::HasCachedAnyNIT(bool current) const
{
QMutexLocker locker(&_cache_lock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, "Currently we ignore \'current\' param");
return (bool)(_cached_nit.size());
}
bool DVBStreamData::HasCachedAllNIT(bool current) const
{
QMutexLocker locker(&_cache_lock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, "Currently we ignore \'current\' param");
if (_cached_nit.empty())
return false;
uint last_section = (*_cached_nit.begin())->LastSection();
if (!last_section)
return true;
for (uint i = 0; i <= last_section; i++)
if (_cached_nit.find(i) == _cached_nit.end())
return false;
return true;
}
bool DVBStreamData::HasCachedAllSDT(uint tsid, bool current) const
{
QMutexLocker locker(&_cache_lock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, "Currently we ignore \'current\' param");
sdt_cache_t::const_iterator it = _cached_sdts.find(tsid << 8);
if (it == _cached_sdts.end())
return false;
uint last_section = (*it)->LastSection();
if (!last_section)
return true;
for (uint i = 1; i <= last_section; i++)
if (_cached_sdts.find((tsid << 8) | i) == _cached_sdts.end())
return false;
return true;
}
bool DVBStreamData::HasCachedAnySDT(uint tsid, bool current) const
{
QMutexLocker locker(&_cache_lock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, "Currently we ignore \'current\' param");
for (uint i = 0; i <= 255; i++)
if (_cached_sdts.find((tsid << 8) | i) != _cached_sdts.end())
return true;
return false;
}
bool DVBStreamData::HasCachedSDT(bool current) const
{
QMutexLocker locker(&_cache_lock);
if (_cached_nit.empty())
return false;
nit_cache_t::const_iterator it = _cached_nit.begin();
for (; it != _cached_nit.end(); ++it)
{
for (uint i = 0; i < (*it)->TransportStreamCount(); i++)
{
if (HasCachedAllSDT((*it)->TSID(i), current))
return true;
}
}
return false;
}
bool DVBStreamData::HasCachedAnySDTs(bool current) const
{
QMutexLocker locker(&_cache_lock);
return !_cached_sdts.empty();
}
bool DVBStreamData::HasCachedAllSDTs(bool current) const
{
QMutexLocker locker(&_cache_lock);
if (_cached_nit.empty())
return false;
nit_cache_t::const_iterator it = _cached_nit.begin();
for (; it != _cached_nit.end(); ++it)
{
if ((int)(*it)->TransportStreamCount() > _cached_sdts.size())
return false;
for (uint i = 0; i < (*it)->TransportStreamCount(); i++)
if (!HasCachedAllSDT((*it)->TSID(i), current))
return false;
}
return true;
}
nit_const_ptr_t DVBStreamData::GetCachedNIT(
uint section_num, bool current) const
{
QMutexLocker locker(&_cache_lock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, "Currently we ignore \'current\' param");
nit_ptr_t nit = NULL;
nit_cache_t::const_iterator it = _cached_nit.find(section_num);
if (it != _cached_nit.end())
IncrementRefCnt(nit = *it);
return nit;
}
nit_vec_t DVBStreamData::GetCachedNIT(bool current) const
{
QMutexLocker locker(&_cache_lock);
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;
}
sdt_const_ptr_t DVBStreamData::GetCachedSDT(
uint tsid, uint section_num, bool current) const
{
QMutexLocker locker(&_cache_lock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, "Currently we ignore \'current\' param");
sdt_ptr_t sdt = NULL;
uint key = (tsid << 8) | section_num;
sdt_cache_t::const_iterator it = _cached_sdts.find(key);
if (it != _cached_sdts.end())
IncrementRefCnt(sdt = *it);
return sdt;
}
sdt_vec_t DVBStreamData::GetCachedSDTs(bool current) const
{
QMutexLocker locker(&_cache_lock);
if (!current)
LOG(VB_GENERAL, LOG_WARNING, "Currently we ignore \'current\' param");
sdt_vec_t sdts;
sdt_cache_t::const_iterator it = _cached_sdts.begin();
for (; it != _cached_sdts.end(); ++it)
{
IncrementRefCnt(*it);
sdts.push_back(*it);
}
return sdts;
}
void DVBStreamData::ReturnCachedSDTTables(sdt_vec_t &sdts) const
{
for (sdt_vec_t::iterator it = sdts.begin(); it != sdts.end(); ++it)
ReturnCachedTable(*it);
sdts.clear();
}
bool DVBStreamData::DeleteCachedTable(PSIPTable *psip) const
{
if (!psip)
return false;
uint tid = psip->TableIDExtension();
QMutexLocker locker(&_cache_lock);
if (_cached_ref_cnt[psip] > 0)
{
_cached_slated_for_deletion[psip] = 1;
return false;
}
else if ((TableID::NIT == psip->TableID()) &&
_cached_nit[psip->Section()])
{
_cached_nit[psip->Section()] = NULL;
delete psip;
}
else if ((TableID::SDT == psip->TableID()) &&
_cached_sdts[tid << 8 | psip->Section()])
{
_cached_sdts[tid << 8 | psip->Section()] = NULL;
delete psip;
}
else
{
return MPEGStreamData::DeleteCachedTable(psip);
}
psip_refcnt_map_t::iterator it;
it = _cached_slated_for_deletion.find(psip);
if (it != _cached_slated_for_deletion.end())
_cached_slated_for_deletion.erase(it);
return true;
}
void DVBStreamData::CacheNIT(NetworkInformationTable *nit)
{
QMutexLocker locker(&_cache_lock);
nit_cache_t::iterator it = _cached_nit.find(nit->Section());
if (it != _cached_nit.end())
DeleteCachedTable(*it);
_cached_nit[nit->Section()] = nit;
}
void DVBStreamData::CacheSDT(ServiceDescriptionTable *sdt)
{
uint key = (sdt->TSID() << 8) | sdt->Section();
QMutexLocker locker(&_cache_lock);
sdt_cache_t::iterator it = _cached_sdts.find(key);
if (it != _cached_sdts.end())
DeleteCachedTable(*it);
_cached_sdts[key] = sdt;
}
void DVBStreamData::AddDVBMainListener(DVBMainStreamListener *val)
{
QMutexLocker locker(&_listener_lock);
dvb_main_listener_vec_t::iterator it = _dvb_main_listeners.begin();
for (; it != _dvb_main_listeners.end(); ++it)
if (((void*)val) == ((void*)*it))
return;
_dvb_main_listeners.push_back(val);
}
void DVBStreamData::RemoveDVBMainListener(DVBMainStreamListener *val)
{
QMutexLocker locker(&_listener_lock);
dvb_main_listener_vec_t::iterator it = _dvb_main_listeners.begin();
for (; it != _dvb_main_listeners.end(); ++it)
{
if (((void*)val) == ((void*)*it))
{
_dvb_main_listeners.erase(it);
return;
}
}
}
void DVBStreamData::AddDVBOtherListener(DVBOtherStreamListener *val)
{
QMutexLocker locker(&_listener_lock);
dvb_other_listener_vec_t::iterator it = _dvb_other_listeners.begin();
for (; it != _dvb_other_listeners.end(); ++it)
if (((void*)val) == ((void*)*it))
return;
_dvb_other_listeners.push_back(val);
}
void DVBStreamData::RemoveDVBOtherListener(DVBOtherStreamListener *val)