bool DTVMultiplex::ParseTuningParams(
DTVTunerType type,
QString _frequency, QString _inversion, QString _symbolrate,
QString _fec, QString _polarity,
QString _hp_code_rate, QString _lp_code_rate, QString _ofdm_modulation,
QString _trans_mode, QString _guard_interval, QString _hierarchy,
QString _modulation, QString _bandwidth)
{
if (DTVTunerType::kTunerTypeOFDM == type)
{
return ParseDVB_T(
_frequency, _inversion, _bandwidth, _hp_code_rate,
_lp_code_rate, _ofdm_modulation, _trans_mode, _guard_interval,
_hierarchy);
}
if ((DTVTunerType::kTunerTypeQPSK == type) ||
(DTVTunerType::kTunerTypeDVB_S2 == type) ||
(DTVTunerType::kTunerTypeQAM == type))
{
return ParseDVB_S_and_C(
_frequency, _inversion, _symbolrate,
_fec, _modulation, _polarity);
}
if (DTVTunerType::kTunerTypeATSC == type)
return ParseATSC(_frequency, _modulation);
return false;
}
bool DTVMultiplex::ParseDVB_T2(
const QString &_frequency, const QString &_inversion,
const QString &_bandwidth, const QString &_coderate_hp,
const QString &_coderate_lp, const QString &_modulation,
const QString &_trans_mode, const QString &_guard_interval,
const QString &_hierarchy, const QString &_mod_sys)
{
bool ok = ParseDVB_T(_frequency, _inversion, _bandwidth,
_coderate_hp, _coderate_lp, _modulation,
_trans_mode, _guard_interval, _hierarchy);
if (!mod_sys.Parse(_mod_sys))
{
LOG(VB_GENERAL, LOG_WARNING, LOC + "Invalid T2 modulation system " +
QString("parameter '%1', aborting.").arg(_mod_sys));
return false;
}
if (mod_sys == DTVModulationSystem::kModulationSystem_UNDEFINED)
mod_sys = DTVModulationSystem::kModulationSystem_DVBT;
if ((DTVModulationSystem::kModulationSystem_DVBT != mod_sys) &&
(DTVModulationSystem::kModulationSystem_DVBT2 != mod_sys))
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Unsupported T2 modulation system " +
QString("parameter '%1', aborting.").arg(_mod_sys));
return false;
}
return ok;
}
bool DTVMultiplex::ParseTuningParams(
DTVTunerType type,
QString _frequency, QString _inversion, QString _symbolrate,
QString _fec, QString _polarity,
QString _hp_code_rate, QString _lp_code_rate, QString _ofdm_modulation,
QString _trans_mode, QString _guard_interval, QString _hierarchy,
QString _modulation, QString _bandwidth,
QString _mod_sys, QString _rolloff)
{
if (DTVTunerType::kTunerTypeDVBT == type)
{
return ParseDVB_T(
_frequency, _inversion, _bandwidth, _hp_code_rate,
_lp_code_rate, _ofdm_modulation, _trans_mode, _guard_interval,
_hierarchy);
}
if ((DTVTunerType::kTunerTypeDVBS1 == type) ||
(DTVTunerType::kTunerTypeDVBC == type))
{
return ParseDVB_S_and_C(
_frequency, _inversion, _symbolrate,
_fec, _modulation, _polarity);
}
if (DTVTunerType::kTunerTypeDVBS2 == type)
{
return ParseDVB_S2(
_frequency, _inversion, _symbolrate,
_fec, _modulation, _polarity,
_mod_sys, _rolloff);
}
if (DTVTunerType::kTunerTypeDVBT2 == type)
{
return ParseDVB_T2(
_frequency, _inversion, _bandwidth, _hp_code_rate,
_lp_code_rate, _ofdm_modulation, _trans_mode, _guard_interval,
_hierarchy, _mod_sys);
}
if (DTVTunerType::kTunerTypeATSC == type)
return ParseATSC(_frequency, _modulation);
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("ParseTuningParams -- Unknown tuner type = 0x%1")
.arg(type,0,16,QChar('0')));
return false;
}
bool DTVMultiplex::FillFromDeliverySystemDesc(DTVTunerType type,
const MPEGDescriptor &desc)
{
uint tag = desc.DescriptorTag();
sistandard = "dvb";
switch (tag)
{
case DescriptorID::terrestrial_delivery_system:
{
const TerrestrialDeliverySystemDescriptor cd(desc);
if (type == DTVTunerType::kTunerTypeDVBT)
{
return ParseDVB_T(
QString::number(cd.FrequencyHz()), "a",
cd.BandwidthString(), cd.CodeRateHPString(),
cd.CodeRateLPString(), cd.ConstellationString(),
cd.TransmissionModeString(), cd.GuardIntervalString(),
cd.HierarchyString());
}
if (type == DTVTunerType::kTunerTypeDVBT2)
{
return ParseDVB_T2(
QString::number(cd.FrequencyHz()), "a",
cd.BandwidthString(), cd.CodeRateHPString(),
cd.CodeRateLPString(), cd.ConstellationString(),
cd.TransmissionModeString(), cd.GuardIntervalString(),
cd.HierarchyString(), "DVB-T");
}
}
case DescriptorID::satellite_delivery_system:
{
const SatelliteDeliverySystemDescriptor cd(desc);
if (type == DTVTunerType::kTunerTypeDVBS1)
{
if (cd.ModulationSystem())
{
LOG(VB_CHANSCAN, LOG_NOTICE, LOC +
"Ignoring DVB-S2 transponder with DVB-S card");
return false;
}
return ParseDVB_S_and_C(
QString::number(cd.FrequencyHz()), "a",
QString::number(cd.SymbolRateHz()), cd.FECInnerString(),
cd.ModulationString(),
cd.PolarizationString());
}
if (type == DTVTunerType::kTunerTypeDVBS2)
{
return ParseDVB_S2(
QString::number(cd.FrequencyHz()), "a",
QString::number(cd.SymbolRateHz()), cd.FECInnerString(),
cd.ModulationString(),
cd.PolarizationString(),
cd.ModulationSystemString(), cd.RollOffString());
}
break;
}
case DescriptorID::cable_delivery_system:
{
if (type != DTVTunerType::kTunerTypeDVBC)
break;
const CableDeliverySystemDescriptor cd(desc);
return ParseDVB_S_and_C(
QString::number(cd.FrequencyHz()), "a",
QString::number(cd.SymbolRateHz()), cd.FECInnerString(),
cd.ModulationString(), QString());
}
default:
LOG(VB_CHANSCAN, LOG_ERR, LOC +
"unknown delivery system descriptor");
return false;
}
LOG(VB_CHANSCAN, LOG_ERR, LOC +
QString("Tuner type %1 does not match delivery system")
.arg(type.toString()));
return false;
}
