Modulation parameters for tuners and their command-line definitions. More...

#include <tsModulationArgs.h>

Inheritance diagram for ts::ModulationArgs:

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Collaboration diagram for ts::ModulationArgs:

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Public Member Functions
	ModulationArgs ()=default
	Default constructor.

virtual void	clear ()
	Clear content, reset all values, they become "unset".

bool	convertToDektecModulation (int &modulation_type, int &param0, int &param1, int &param2) const
	Attempt to convert the tuning parameters in modulation parameters for Dektec modulator cards.

void	copyLocalReceptionParameters (const ModulationArgs &other)
	Copy the local reception parameters from another instance.

virtual void	defineArgs (Args &args, bool allow_short_options)
	Add command line option definitions in an Args.

virtual std::ostream &	display (std::ostream &strm, const UString &margin=UString(), int level=Severity::Info) const override
	Display the content of this object to a stream.

bool	fromDeliveryDescriptor (DuckContext &duck, const Descriptor &desc, uint16_t ts_id, DeliverySystem delsys=DS_UNDEFINED)
	Fill modulation parameters from a delivery system descriptor.

bool	fromDeliveryDescriptors (DuckContext &duck, const DescriptorList &dlist, uint16_t ts_id, DeliverySystem delsys=DS_UNDEFINED)
	Fill modulation parameters from delivery system descriptors in a descriptor list.

bool	getDektecCodeRate (int &fec) const
	Attempt to get a "FEC type" for Dektec modulator cards.

bool	getDektecModulationType (int &type) const
	Attempt to get a "modulation type" for Dektec modulator cards.

bool	hasModulationArgs () const
	Check if any modulation options is set.

virtual bool	loadArgs (DuckContext &duck, Args &args)
	Load arguments from command line.

void	resetLocalReceptionParameters ()
	Reset the local reception parameters, they become "unset" The "local reception parameters" configure the receiving equipment (typically the dish) without affecting the received carrier signal.

bool	resolveDeliverySystem (const DeliverySystemSet &systems, Report &report)
	Check the validity of the delivery system or set a default one.

void	setDefaultValues ()
	Set the default values for unset parameters, according to the delivery system.

UString	shortDescription (DuckContext &duck) const
	Format a short description (frequency and essential parameters).

BitRate	theoreticalBitrate () const
	Theoretical bitrate computation.

void	toJSON (json::Object &obj) const
	Format the modulation parameters in a JSON object.

UString	toPluginOptions (bool no_local=false) const
	Format the modulation parameters as command line arguments.

Static Public Member Functions
static bool	IsValidISDBTTimeInterleaving (int ti)
	Check if an ISDB-T time interleaving value is valid.

static bool	ToDektecCodeRate (int &out, InnerFEC in)
	Convert a InnerFEC value into a "FEC type" for Dektec modulator cards.

Public Attributes
std::optional< BandWidth >	bandwidth {}
	Bandwidth in Hz.

std::optional< DeliverySystem >	delivery_system {}
	Delivery system (DS_DVB_*).

std::optional< InnerFEC >	fec_hp {}
	High priority stream code rate.

std::optional< InnerFEC >	fec_lp {}
	Low priority stream code rate.

std::optional< uint64_t >	frequency {}
	Frequency in Hz.

std::optional< GuardInterval >	guard_interval {}
	Guard interval.

std::optional< Hierarchy >	hierarchy {}
	Hierarchy.

std::optional< InnerFEC >	inner_fec {}
	Error correction.

std::optional< SpectralInversion >	inversion {}
	Spectral inversion.

std::optional< UString >	isdbt_layers {}
	ISDB-T hierarchical layers ISDB-T channels can be coded hierarchically.

std::optional< bool >	isdbt_partial_reception {}
	ISDB-T partial reception.

std::optional< uint32_t >	isi {}
	Input Stream Id (ISI).

std::optional< InnerFEC >	layer_a_fec {}
	Layer A code rate.

std::optional< Modulation >	layer_a_modulation {}
	Layer A modulation.

std::optional< int >	layer_a_segment_count {}
	Layer A segment count.

std::optional< int >	layer_a_time_interleaving {}
	Layer A time interleaving.

std::optional< InnerFEC >	layer_b_fec {}
	Layer B code rate.

std::optional< Modulation >	layer_b_modulation {}
	Layer B modulation.

std::optional< int >	layer_b_segment_count {}
	Layer B segment count.

std::optional< int >	layer_b_time_interleaving {}
	Layer B time interleaving.

std::optional< InnerFEC >	layer_c_fec {}
	Layer C code rate.

std::optional< Modulation >	layer_c_modulation {}
	Layer C modulation.

std::optional< int >	layer_c_segment_count {}
	Layer C segment count.

std::optional< int >	layer_c_time_interleaving {}
	Layer C time interleaving.

std::optional< LNB >	lnb {}
	Local dish LNB for frequency adjustment.

std::optional< Modulation >	modulation {}
	Constellation or modulation type.

std::optional< Pilot >	pilots {}
	Presence of pilots.

std::optional< uint32_t >	plp {}
	Physical Layer Pipe (PLP) identification.

std::optional< uint32_t >	pls_code {}
	Physical Layer Scrambling (PLS) code.

std::optional< PLSMode >	pls_mode {}
	Physical Layer Scrambling (PLS) mode.

std::optional< Polarization >	polarity {}
	Polarity.

std::optional< RollOff >	roll_off {}
	Roll-off factor.

std::optional< size_t >	satellite_number {}
	Satellite index for DiSeqC switches.

std::optional< int >	sb_segment_count {}
	Sound broadcasting segment count.

std::optional< int >	sb_segment_index {}
	Sound broadcasting segment index.

std::optional< int >	sb_subchannel_id {}
	Sound broadcasting sub-channel id.

std::optional< bool >	sound_broadcasting {}
	Sound broadcasting.

std::optional< uint32_t >	stream_id {}
	Inner stream id (same as inner transport stream id).

std::optional< uint32_t >	symbol_rate {}
	Symbol rate in symbols / second.

std::optional< TransmissionMode >	transmission_mode {}
	Transmission mode.

Static Public Attributes
static constexpr BandWidth	DEFAULT_BANDWIDTH_DVBT = 8000000
	Default value for bandwidth on DVB-T.

static constexpr BandWidth	DEFAULT_BANDWIDTH_ISDBT = 6000000
	Default value for bandwidth on ISDB-T.

static constexpr InnerFEC	DEFAULT_FEC_HP = FEC_AUTO
	Default value for fec_hp.

static constexpr InnerFEC	DEFAULT_FEC_LP = FEC_AUTO
	Default value for fec_lp.

static constexpr GuardInterval	DEFAULT_GUARD_INTERVAL_DVBT = GUARD_1_32
	Default value for guard_interval on DVB-T.

static constexpr GuardInterval	DEFAULT_GUARD_INTERVAL_ISDBT = GUARD_1_32
	Default value for guard_interval on ISDB-T.

static constexpr Hierarchy	DEFAULT_HIERARCHY = HIERARCHY_NONE
	Default value for hierarchy.

static constexpr InnerFEC	DEFAULT_INNER_FEC = FEC_AUTO
	Default value for inner_fec.

static constexpr SpectralInversion	DEFAULT_INVERSION = SPINV_AUTO
	Default value for inversion.

static const UString	DEFAULT_ISDBT_LAYERS
	Default value for ISDB-T layers (all layers: "ABC").

static constexpr uint32_t	DEFAULT_ISI = ISI_DISABLE
	Default value for input stream id.

static constexpr Modulation	DEFAULT_MODULATION_ATSC = VSB_8
	Default value for modulation on ATSC.

static constexpr Modulation	DEFAULT_MODULATION_DVBC = QAM_64
	Default value for modulation on cable.

static constexpr Modulation	DEFAULT_MODULATION_DVBS = QPSK
	Default value for modulation on satellite.

static constexpr Modulation	DEFAULT_MODULATION_DVBT = QAM_64
	Default value for modulation on terrestrial.

static constexpr Pilot	DEFAULT_PILOTS = PILOT_OFF
	Default value for pilots.

static constexpr uint32_t	DEFAULT_PLP = PLP_DISABLE
	Default value for PLP id.

static constexpr uint32_t	DEFAULT_PLS_CODE = 0
	Default value for PLS code.

static constexpr PLSMode	DEFAULT_PLS_MODE = PLS_GOLD
	Default value for PLS mode.

static constexpr Polarization	DEFAULT_POLARITY = POL_VERTICAL
	Default value for polarity.

static constexpr RollOff	DEFAULT_ROLL_OFF = ROLLOFF_35
	Default value for roll_off.

static constexpr size_t	DEFAULT_SATELLITE_NUMBER = 0
	Default value for satellite_number.

static constexpr int	DEFAULT_SB_SEGMENT_COUNT = 13
	Default value for ISDB-Tsb segment count.

static constexpr int	DEFAULT_SB_SEGMENT_INDEX = 0
	Default value for ISDB-Tsb segment index.

static constexpr int	DEFAULT_SB_SUBCHANNEL_ID = 0
	Default value for ISDB-Tsb sub-channel id.

static constexpr uint32_t	DEFAULT_STREAM_ID = STREAM_ID_DISABLE
	Default value for inner stream id.

static constexpr uint32_t	DEFAULT_SYMBOL_RATE_DVBC = 6900000
	Default value for symbol_rate on DVB-C.

static constexpr uint32_t	DEFAULT_SYMBOL_RATE_DVBS = 27500000
	Default value for symbol_rate on DVB-S.

static constexpr uint32_t	DEFAULT_SYMBOL_RATE_ISDBS = 28860000
	Default value for symbol_rate on ISDB-S.

static constexpr TransmissionMode	DEFAULT_TRANSMISSION_MODE_DVBT = TM_8K
	Default value for transmission_mode on DVB-T.

static constexpr TransmissionMode	DEFAULT_TRANSMISSION_MODE_ISDBT = TM_8K
	Default value for transmission_mode on ISDB-T.

static constexpr int	MAX_ISDBT_SEGMENT_COUNT = 13
	Maximum value for ISDB-T segment count.

Static Protected Member Functions
static BitRate	TheoreticalBitrateForModulation (Modulation mod, InnerFEC fec, uint32_t symbol_rate)
	Theoretical useful bitrate for QPSK or QAM modulation.

Detailed Description

Modulation parameters for tuners and their command-line definitions.

All values may be "set" or "unset", depending on command line arguments. All options for all types of tuners are included here.

Member Function Documentation

◆ IsValidISDBTTimeInterleaving()

static bool ts::ModulationArgs::IsValidISDBTTimeInterleaving ( int ti )

static

Check if an ISDB-T time interleaving value is valid.

Parameters

[in] ti Time interleaving value. Valid values: 0, 1, 2, 4 or -1 (auto).

Returns: True if ti is valid, false otherwise.

◆ defineArgs()

virtual void ts::ModulationArgs::defineArgs	(	Args &	args,
		bool	allow_short_options
	)

virtual

Add command line option definitions in an Args.

Parameters

[in,out]	args	Command line arguments to update.
[in]	allow_short_options	If true, allow short one-letter options.

Reimplemented in ts::TunerArgs.

◆ loadArgs()

virtual bool ts::ModulationArgs::loadArgs	(	DuckContext &	duck,
		Args &	args
	)

virtual

Load arguments from command line.

Args error indicator is set in case of incorrect arguments.

Parameters

[in,out]	duck	TSDuck execution context.
[in,out]	args	Command line arguments.

Returns: True on success, false on error in argument line.

Reimplemented in ts::TunerArgs.

◆ display()

virtual std::ostream & ts::ModulationArgs::display	(	std::ostream &	stream,
		const UString &	margin = `UString()`,
		int	level = `Severity::Info`
	)		const

overridevirtual

Display the content of this object to a stream.

Parameters

[in,out]	stream	The stream where to print the content. Standard output by default.
[in]	margin	The prefix string on each line, empty by default.
[in]	level	Severity level (for instance, Severity::Info or Severity::Debug may display more information).

Returns: A reference to stream.

Implements ts::DisplayInterface.

◆ clear()

virtual void ts::ModulationArgs::clear ( )

virtual

Clear content, reset all values, they become "unset".

Reimplemented in ts::TunerArgs.

◆ hasModulationArgs()

bool ts::ModulationArgs::hasModulationArgs ( ) const

Check if any modulation options is set.

Returns: True if any modulation options is set.

◆ resolveDeliverySystem()

bool ts::ModulationArgs::resolveDeliverySystem	(	const DeliverySystemSet &	systems,
		Report &	report
	)

Check the validity of the delivery system or set a default one.

Parameters

[in]	systems	The possible delivery systems, typically from a tuner. If the delivery system is already defined, it must be in this set. If it is not defined, the first delivery system is used.
[in,out]	report	Where to report errors.

Returns: True on success, false on error.

◆ setDefaultValues()

void ts::ModulationArgs::setDefaultValues ( )

Set the default values for unset parameters, according to the delivery system.

Do nothing if the delivery system is unset.

◆ copyLocalReceptionParameters()

void ts::ModulationArgs::copyLocalReceptionParameters ( const ModulationArgs & other )

Copy the local reception parameters from another instance.

The "local reception parameters" configure the receiving equipment (typically the dish) without affecting the received carrier signal.

Parameters

[in] other Another instance from which the local reception parameters are copied. Local reception parameters which are not set in @^a other are left unmodified in this instance.

◆ theoreticalBitrate()

BitRate ts::ModulationArgs::theoreticalBitrate ( ) const

Theoretical bitrate computation.

Returns: The theoretical useful bitrate of a transponder, based on 188-bytes packets, in bits/second. If the characteristics of the transponder are not sufficient to compute the bitrate, return 0.

◆ fromDeliveryDescriptor()

bool ts::ModulationArgs::fromDeliveryDescriptor	(	DuckContext &	duck,
		const Descriptor &	desc,
		uint16_t	ts_id,
		DeliverySystem	delsys = `DS_UNDEFINED`
	)

Fill modulation parameters from a delivery system descriptor.

This method only sets the modulation parameters from the descriptor. Other parameters are unchanged. This method can be invoked several times, on each descriptor of a descriptor list, to grab incremental values for DVB-S2 for instance.

Parameters

[in,out]	duck	TSDuck execution context.
[in]	desc	A descriptor. Must be a valid delivery system descriptor.
[in]	ts_id	Tranport stream id of the TS which is described by the delivery system descriptor.
[in]	delsys	Optional delivery system of the TS from which the descriptor was extracted. In the case of cable_delivery_system_descriptor, it helps to characterize the target delivery system.

Returns: True on success, false if the descriptor was not correctly analyzed or is not a delivery system descriptor.

◆ fromDeliveryDescriptors()

bool ts::ModulationArgs::fromDeliveryDescriptors	(	DuckContext &	duck,
		const DescriptorList &	dlist,
		uint16_t	ts_id,
		DeliverySystem	delsys = `DS_UNDEFINED`
	)

Fill modulation parameters from delivery system descriptors in a descriptor list.

Parameters

[in,out]	duck	TSDuck execution context.
[in]	dlist	A descriptor list.
[in]	ts_id	Tranport stream id of the TS which is described by the delivery system descriptor.
[in]	delsys	Optional delivery system of the TS from which the descriptor list was extracted. In the case of cable_delivery_system_descriptor, it helps to characterize the target delivery system.

Returns: True on success, false if no delivery system descriptor was found.

◆ getDektecModulationType()

bool ts::ModulationArgs::getDektecModulationType ( int & type ) const

Attempt to get a "modulation type" for Dektec modulator cards.

Parameters

[out] type Modulation type (DTAPI_MOD_* value). Unchanged in case of error.

Returns: True on success, false on error (includes unsupported operation).

◆ getDektecCodeRate()

bool ts::ModulationArgs::getDektecCodeRate ( int & fec ) const

Attempt to get a "FEC type" for Dektec modulator cards.

Parameters

[out] fec FEC type (DTAPI_MOD_* value). Unchanged in case of error.

Returns: True on success, false on error (includes unsupported operation).

◆ ToDektecCodeRate()

static bool ts::ModulationArgs::ToDektecCodeRate	(	int &	out,
		InnerFEC	in
	)

static

Convert a InnerFEC value into a "FEC type" for Dektec modulator cards.

Parameters

[out]	out	Returned FEC type (DTAPI_MOD_* value). Unchanged in case of error.
[out]	in	Input FEC type (enum type).

Returns: True on success, false on error (includes unsupported operation).

◆ convertToDektecModulation()

bool ts::ModulationArgs::convertToDektecModulation	(	int &	modulation_type,
		int &	param0,
		int &	param1,
		int &	param2
	)		const

Attempt to convert the tuning parameters in modulation parameters for Dektec modulator cards.

Parameters

[out]	modulation_type	Modulation type (DTAPI_MOD_* value).
[out]	param0	Modulation-specific parameter 0.
[out]	param1	Modulation-specific parameter 1.
[out]	param2	Modulation-specific parameter 2.

Returns: True on success, false on error (includes unsupported operation).

◆ shortDescription()

UString ts::ModulationArgs::shortDescription ( DuckContext & duck ) const

Format a short description (frequency and essential parameters).

Parameters

[out] duck TSDuck execution context.

Returns: A description string.

◆ toPluginOptions()

UString ts::ModulationArgs::toPluginOptions ( bool no_local = false ) const

Format the modulation parameters as command line arguments.

Parameters

[in] no_local When true, the "local" options are not included. The local options are related to the local equipment (–lnb for instance) and may vary from one system to another for the same transponder.

Returns: A string containing a command line options for the "dvb" tsp plugin.

◆ toJSON()

void ts::ModulationArgs::toJSON ( json::Object & obj ) const

Format the modulation parameters in a JSON object.

Parameters

[in,out] obj JSON object into which the modulation parameters are added.

◆ TheoreticalBitrateForModulation()

static BitRate ts::ModulationArgs::TheoreticalBitrateForModulation	(	Modulation	mod,
		InnerFEC	fec,
		uint32_t	symbol_rate
	)

staticprotected

Theoretical useful bitrate for QPSK or QAM modulation.

This protected static method computes the theoretical useful bitrate of a transponder, based on 188-bytes packets, for QPSK or QAM modulation.

Parameters

[in]	mod	Modulation type.
[in]	fec	Inner FEC.
[in]	symbol_rate	Symbol rate.

Returns: Theoretical useful bitrate in bits/second or zero on error.

Member Data Documentation

◆ delivery_system

std::optional<DeliverySystem> ts::ModulationArgs::delivery_system {}

Delivery system (DS_DVB_*).

Applies to all tuners. When unset, the default delivery system for that tuner is used.

◆ frequency

std::optional<uint64_t> ts::ModulationArgs::frequency {}

Frequency in Hz.

Applies to all tuners. This is a mandatory parameter.

◆ polarity

std::optional<Polarization> ts::ModulationArgs::polarity {}

Polarity.

Applies to: DVB-S/S2, ISDB-S.

◆ lnb

std::optional<LNB> ts::ModulationArgs::lnb {}

Local dish LNB for frequency adjustment.

Applies to: DVB-S/S2, ISDB-S.

◆ inversion

std::optional<SpectralInversion> ts::ModulationArgs::inversion {}

Spectral inversion.

Applies to: DVB-T/T2, DVB-S/S2, DVB-C (A,B,C), ATSC, ISDB-T, ISDB-S.

◆ symbol_rate

std::optional<uint32_t> ts::ModulationArgs::symbol_rate {}

Symbol rate in symbols / second.

Applies to: DVB-S/S2, DVB-C (A,C), ISDB-S.

◆ inner_fec

std::optional<InnerFEC> ts::ModulationArgs::inner_fec {}

Error correction.

Applies to: DVB-S/S2, DVB-C (A,C), ISDB-S.

◆ satellite_number

std::optional<size_t> ts::ModulationArgs::satellite_number {}

Satellite index for DiSeqC switches.

Applies to: DVB-S/S2, ISDB-S.

◆ modulation

std::optional<Modulation> ts::ModulationArgs::modulation {}

Constellation or modulation type.

Applies to: DVB-T/T2, DVB-S2/Turbo, DVB-C (A,B,C), ATSC.

◆ bandwidth

std::optional<BandWidth> ts::ModulationArgs::bandwidth {}

Bandwidth in Hz.

Applies to: DVB-T/T2, ISDB-T.

◆ fec_hp

std::optional<InnerFEC> ts::ModulationArgs::fec_hp {}

High priority stream code rate.

Applies to: DVB-T/T2.

◆ fec_lp

std::optional<InnerFEC> ts::ModulationArgs::fec_lp {}

Low priority stream code rate.

Applies to: DVB-T/T2.

◆ transmission_mode

std::optional<TransmissionMode> ts::ModulationArgs::transmission_mode {}

Transmission mode.

Applies to: DVB-T/T2, ISDB-T.

◆ guard_interval

std::optional<GuardInterval> ts::ModulationArgs::guard_interval {}

Guard interval.

Applies to: DVB-T/T2, ISDB-T.

◆ hierarchy

std::optional<Hierarchy> ts::ModulationArgs::hierarchy {}

Hierarchy.

Applies to: DVB-T/T2.

◆ pilots

std::optional<Pilot> ts::ModulationArgs::pilots {}

Presence of pilots.

Applies to: DVB-S2.

◆ roll_off

std::optional<RollOff> ts::ModulationArgs::roll_off {}

Roll-off factor.

Applies to: DVB-S2.

◆ DEFAULT_ROLL_OFF

constexpr RollOff ts::ModulationArgs::DEFAULT_ROLL_OFF = ROLLOFF_35

staticconstexpr

Default value for roll_off.

Implied value in DVB-S, default for DVB-S2.

◆ plp

std::optional<uint32_t> ts::ModulationArgs::plp {}

Physical Layer Pipe (PLP) identification.

Applies to: DVB-T2.

◆ isi

std::optional<uint32_t> ts::ModulationArgs::isi {}

Input Stream Id (ISI).

Applies to: DVB-S2.

◆ pls_code

std::optional<uint32_t> ts::ModulationArgs::pls_code {}

Physical Layer Scrambling (PLS) code.

Applies to: DVB-S2.

◆ pls_mode

std::optional<PLSMode> ts::ModulationArgs::pls_mode {}

Physical Layer Scrambling (PLS) mode.

Applies to: DVB-S2.

◆ sound_broadcasting

std::optional<bool> ts::ModulationArgs::sound_broadcasting {}

Sound broadcasting.

When specified to true, the reception is an ISDB-Tsb channel instead of an ISDB-T one. Applies to: ISDB-T.

◆ sb_subchannel_id

std::optional<int> ts::ModulationArgs::sb_subchannel_id {}

Sound broadcasting sub-channel id.

When sound_broadcasting is specified to true, specify the sub-channel ID of the segment to be demodulated in the ISDB-Tsb channel. Possible values: 0 to 41. Applies to: ISDB-T.

◆ sb_segment_count

std::optional<int> ts::ModulationArgs::sb_segment_count {}

Sound broadcasting segment count.

When sound_broadcasting is specified to true, specify the total count of connected ISDB-Tsb channels. Possible values: 1 to 13. Applies to: ISDB-T.

◆ sb_segment_index

std::optional<int> ts::ModulationArgs::sb_segment_index {}

Sound broadcasting segment index.

When sound_broadcasting is specified to true, specify the index of the segment to be demodulated for an ISDB-Tsb channel where several of them are transmitted in the connected manner. Possible values: 0 to sb_segment_count - 1. Applies to: ISDB-T.

◆ isdbt_layers

std::optional<UString> ts::ModulationArgs::isdbt_layers {}

ISDB-T hierarchical layers ISDB-T channels can be coded hierarchically.

As opposed to DVB-T in ISDB-T hierarchical layers can be decoded simultaneously. For that reason a ISDB-T demodulator has 3 viterbi and 3 reed-solomon-decoders. ISDB-T has 3 hierarchical layers which each can use a part of the available segments. The total number of segments over all layers has to 13 in ISDB-T. Hierarchical reception in ISDB-T is achieved by enabling or disabling layers in the decoding process. The specified string contains a combination of characters 'A', 'B', 'C', indicating which layers shall be used. Applies to: ISDB-T.

◆ isdbt_partial_reception

std::optional<bool> ts::ModulationArgs::isdbt_partial_reception {}

ISDB-T partial reception.

When specified to true, the reception of the ISDB-T channel is in partial reception mode. Applies to: ISDB-T.

◆ layer_a_fec

std::optional<InnerFEC> ts::ModulationArgs::layer_a_fec {}

Layer A code rate.

Must be one of FEC_AUTO, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8. The default is automatically detected. Applies to: ISDB-T.

◆ layer_a_modulation

std::optional<Modulation> ts::ModulationArgs::layer_a_modulation {}

Layer A modulation.

Must be one of QAM_AUTO, QPSK, QAM_16, QAM_64, DQPSK. The default is automatically detected. Applies to: ISDB-T.

◆ layer_a_segment_count

std::optional<int> ts::ModulationArgs::layer_a_segment_count {}

Layer A segment count.

Possible values: 0 to 13 or -1 (auto). The default is automatically detected. Applies to: ISDB-T.

◆ layer_a_time_interleaving

std::optional<int> ts::ModulationArgs::layer_a_time_interleaving {}

Layer A time interleaving.

Possible values: 0, 1, 2, 4 or -1 (auto). The default is automatically detected. Applies to: ISDB-T.

◆ layer_b_fec

std::optional<InnerFEC> ts::ModulationArgs::layer_b_fec {}

Layer B code rate.

Must be one of FEC_AUTO, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8. The default is automatically detected. Applies to: ISDB-T.

◆ layer_b_modulation

std::optional<Modulation> ts::ModulationArgs::layer_b_modulation {}

Layer B modulation.

Must be one of QAM_AUTO, QPSK, QAM_16, QAM_64, DQPSK. The default is automatically detected. Applies to: ISDB-T.

◆ layer_b_segment_count

std::optional<int> ts::ModulationArgs::layer_b_segment_count {}

Layer B segment count.

Possible values: 0 to 13 or -1 (auto). The default is automatically detected. Applies to: ISDB-T.

◆ layer_b_time_interleaving

std::optional<int> ts::ModulationArgs::layer_b_time_interleaving {}

Layer B time interleaving.

Possible values: 0, 1, 2, 4 or -1 (auto). The default is automatically detected. Applies to: ISDB-T.

◆ layer_c_fec

std::optional<InnerFEC> ts::ModulationArgs::layer_c_fec {}

Layer C code rate.

Must be one of FEC_AUTO, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8. The default is automatically detected. Applies to: ISDB-T.

◆ layer_c_modulation

std::optional<Modulation> ts::ModulationArgs::layer_c_modulation {}

Layer C modulation.

Must be one of QAM_AUTO, QPSK, QAM_16, QAM_64, DQPSK. The default is automatically detected. Applies to: ISDB-T.

◆ layer_c_segment_count

std::optional<int> ts::ModulationArgs::layer_c_segment_count {}

Layer C segment count.

Possible values: 0 to 13 or -1 (auto). The default is automatically detected. Applies to: ISDB-T.

◆ layer_c_time_interleaving

std::optional<int> ts::ModulationArgs::layer_c_time_interleaving {}

Layer C time interleaving.

Possible values: 0, 1, 2, 4 or -1 (auto). The default is automatically detected. Applies to: ISDB-T.

◆ stream_id

std::optional<uint32_t> ts::ModulationArgs::stream_id {}

Inner stream id (same as inner transport stream id).

Applies to: ISDB-S (multi-stream).

The documentation for this class was generated from the following file:

tsModulationArgs.h

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Static Protected Member Functions

Detailed Description

Member Function Documentation

◆ IsValidISDBTTimeInterleaving()

◆ defineArgs()

◆ loadArgs()

◆ display()

◆ clear()

◆ hasModulationArgs()

◆ resolveDeliverySystem()

◆ setDefaultValues()

◆ copyLocalReceptionParameters()

◆ theoreticalBitrate()

◆ fromDeliveryDescriptor()

◆ fromDeliveryDescriptors()

◆ getDektecModulationType()

◆ getDektecCodeRate()

◆ ToDektecCodeRate()

◆ convertToDektecModulation()

◆ shortDescription()

◆ toPluginOptions()

◆ toJSON()

◆ TheoreticalBitrateForModulation()

Member Data Documentation

◆ delivery_system

◆ frequency

◆ polarity

◆ lnb

◆ inversion

◆ symbol_rate

◆ inner_fec

◆ satellite_number

◆ modulation

◆ bandwidth

◆ fec_hp

◆ fec_lp

◆ transmission_mode

◆ guard_interval

◆ hierarchy

◆ pilots

◆ roll_off

◆ DEFAULT_ROLL_OFF

◆ plp

◆ isi

◆ pls_code

◆ pls_mode

◆ sound_broadcasting

◆ sb_subchannel_id

◆ sb_segment_count

◆ sb_segment_index

◆ isdbt_layers

◆ isdbt_partial_reception

◆ layer_a_fec

◆ layer_a_modulation

◆ layer_a_segment_count

◆ layer_a_time_interleaving

◆ layer_b_fec

◆ layer_b_modulation

◆ layer_b_segment_count

◆ layer_b_time_interleaving

◆ layer_c_fec

◆ layer_c_modulation

◆ layer_c_segment_count

◆ layer_c_time_interleaving

◆ stream_id