/** \fn DVBStreamHandler::SupportsTSMonitoring(void)
* \brief Returns true if TS monitoring is supported.
*
* NOTE: If you are using a DEC2000-t device you need to
* apply the patches provided by Peter Beutner for it, see
* http://www.gossamer-threads.com/lists/mythtv/dev/166172
* These patches should make it in to Linux 2.6.15 or 2.6.16.
*/
bool DVBStreamHandler::SupportsTSMonitoring(void)
{
const uint pat_pid = 0x0;
{
QMutexLocker locker(&_rec_supports_ts_monitoring_lock);
QMap<QString,bool>::const_iterator it;
it = _rec_supports_ts_monitoring.find(_dvb_dev);
if (it != _rec_supports_ts_monitoring.end())
return *it;
}
QByteArray dvr_dev_path = _dvr_dev_path.toAscii();
int dvr_fd = open(dvr_dev_path.constData(), O_RDONLY | O_NONBLOCK);
if (dvr_fd < 0)
{
QMutexLocker locker(&_rec_supports_ts_monitoring_lock);
_rec_supports_ts_monitoring[_dvb_dev] = false;
return false;
}
bool supports_ts = false;
if (AddPIDFilter(new PIDInfo(pat_pid)))
{
supports_ts = true;
RemovePIDFilter(pat_pid);
}
close(dvr_fd);
QMutexLocker locker(&_rec_supports_ts_monitoring_lock);
_rec_supports_ts_monitoring[_dvb_dev] = supports_ts;
return supports_ts;
}
bool DVBStreamHandler::UpdateFiltersFromStreamData(void)
{
UpdateListeningForEIT();
pid_map_t pids;
{
QMutexLocker read_locker(&_listener_lock);
for (uint i = 0; i < _stream_data_list.size(); i++)
_stream_data_list[i]->GetPIDs(pids);
}
QMap<uint, PIDInfo*> add_pids;
vector<uint> del_pids;
{
QMutexLocker read_locker(&_pid_lock);
// PIDs that need to be added..
pid_map_t::const_iterator lit = pids.constBegin();
for (; lit != pids.constEnd(); ++lit)
{
if (*lit && (_pid_info.find(lit.key()) == _pid_info.end()))
{
add_pids[lit.key()] = new PIDInfo(
lit.key(), StreamID::PrivSec, DMX_PES_OTHER);
}
}
// PIDs that need to be removed..
PIDInfoMap::const_iterator fit = _pid_info.begin();
for (; fit != _pid_info.end(); ++fit)
{
bool in_pids = pids.find(fit.key()) != pids.end();
if (!in_pids)
del_pids.push_back(fit.key());
}
}
// Remove PIDs
bool ok = true;
vector<uint>::iterator dit = del_pids.begin();
for (; dit != del_pids.end(); ++dit)
ok &= RemovePIDFilter(*dit);
// Add PIDs
QMap<uint, PIDInfo*>::iterator ait = add_pids.begin();
for (; ait != add_pids.end(); ++ait)
ok &= AddPIDFilter(*ait);
// Cycle filters if it's been a while
if (_cycle_timer.elapsed() > 1000)
CycleFiltersByPriority();
return ok;
}
bool HDHRStreamHandler::UpdateFiltersFromStreamData(void)
{
UpdateListeningForEIT();
pid_map_t pids;
{
QMutexLocker read_locker(&_listener_lock);
for (uint i = 0; i < _stream_data_list.size(); i++)
_stream_data_list[i]->GetPIDs(pids);
}
uint_vec_t add_pids;
vector<uint> del_pids;
{
QMutexLocker read_locker(&_pid_lock);
// PIDs that need to be added..
pid_map_t::const_iterator lit = pids.constBegin();
for (; lit != pids.constEnd(); ++lit)
{
vector<uint>::iterator it;
it = lower_bound(_pid_info.begin(), _pid_info.end(), lit.key());
if (it == _pid_info.end() || *it != lit.key())
add_pids.push_back(lit.key());
}
// PIDs that need to be removed..
vector<uint>::const_iterator fit = _pid_info.begin();
for (; fit != _pid_info.end(); ++fit)
{
bool in_pids = pids.find(*fit) != pids.end();
if (!in_pids)
del_pids.push_back(*fit);
}
}
bool need_update = false;
// Remove PIDs
bool ok = true;
vector<uint>::iterator dit = del_pids.begin();
for (; dit != del_pids.end(); ++dit)
{
need_update = true;
ok &= RemovePIDFilter(*dit, false);
}
// Add PIDs
vector<uint>::iterator ait = add_pids.begin();
for (; ait != add_pids.end(); ++ait)
{
need_update = true;
ok &= AddPIDFilter(*ait, false);
}
if (need_update)
return UpdateFilters() && ok;
return ok;
}
