ProgramMapTable Class Reference

#include <mpegtables.h>

Inheritance diagram for ProgramMapTable:

Detailed Description

A PMT table maps a program described in the ProgramAssociationTable to various PID's which describe the multimedia contents of the program.

Definition at line 520 of file mpegtables.h.


Public Member Functions
	ProgramMapTable (const ProgramMapTable &table)
	ProgramMapTable (const PSIPTable &table)
uint	PCRPID (void) const
	stream that contrains program clock reference.
uint	ProgramNumber (void) const
uint	ProgramInfoLength (void) const
const unsigned char *	ProgramInfo (void) const
uint	StreamType (uint i) const
uint	StreamPID (uint i) const
uint	StreamInfoLength (uint i) const
const unsigned char *	StreamInfo (uint i) const
uint	StreamCount (void) const
void	SetPCRPID (uint pid)
void	SetProgramNumber (uint num)
void	SetStreamPID (uint i, uint pid)
void	SetStreamType (uint i, uint type)
bool	IsVideo (uint i, QString sistandard) const
	Returns true iff the stream at index i is an audio stream.
bool	IsAudio (uint i, QString sistandard) const
	Returns true iff the stream at index i is an audio stream.
bool	IsEncrypted (void) const
	Returns true iff PMT contains CA descriptor.
bool	IsProgramEncrypted (void) const
	Returns true iff PMT's ProgramInfo contains CA descriptor.
bool	IsStreamEncrypted (uint pid) const
	Returns true iff PMT contains CA descriptor.
bool	IsStillPicture (QString sistandard) const
	Returns true iff PMT contains a still-picture video stream.
QString	StreamTypeString (uint i) const
	Returns a string representation of type at stream index i.
QString	StreamDescription (uint i, QString sistandard) const
	Returns a better (and more expensive) string representation of type at stream index i than StreamTypeString(uint).
QString	GetLanguage (uint i) const
	Returns the cannonical language if we find the iso639 descriptor.
uint	FindPIDs (uint type, vector< uint > &pids, const QString &sistandard) const
	Finds all pids matching type.
uint	FindPIDs (uint type, vector< uint > &pids, vector< uint > &types, const QString &sistandard, bool normalize) const
	Finds all pids w/types, matching type (useful for AnyVideo/AnyAudio).
int	FindPID (uint pid) const
	Locates stream index of pid.
uint	FindUnusedPID (uint desired_pid=0x20)
void	RemoveAllStreams (void)
void	AppendStream (uint pid, uint type, unsigned char *si=0, uint il=0)
void	Parse (void) const
const QString	toString (void) const
Static Public Member Functions
static ProgramMapTable *	Create (uint programNumber, uint basepid, uint pcrpid, uint version, vector< uint > pids, vector< uint > types)
static ProgramMapTable *	Create (uint programNumber, uint basepid, uint pcrpid, uint version, const desc_list_t &global_desc, const vector< uint > &pids, const vector< uint > &types, const vector< desc_list_t > &prog_desc)
Private Member Functions
void	SetStreamInfoLength (uint i, uint length)
void	SetStreamProgramInfo (uint i, unsigned char *streamInfo, uint infoLength)
void	SetProgramInfoLength (uint length)
void	SetProgramInfo (unsigned char *streamInfo, uint infoLength)
Static Private Member Functions
static ProgramMapTable *	CreateBlank (bool smallPacket=true)
Private Attributes
vector< unsigned char * >	_ptrs
Static Private Attributes
static const uint	pmt_header = 4

Constructor & Destructor Documentation

ProgramMapTable::ProgramMapTable ( const ProgramMapTable & table ) [inline]

Definition at line 524 of file mpegtables.h.

Referenced by CreateBlank().

ProgramMapTable::ProgramMapTable ( const PSIPTable & table ) [inline]

Definition at line 530 of file mpegtables.h.

Member Function Documentation

ProgramMapTable * ProgramMapTable::Create	(	uint	programNumber,
		uint	basepid,
		uint	pcrpid,
		uint	version,
		vector< uint >	pids,
		vector< uint >	types
	)			`[static]`

Definition at line 334 of file mpegtables.cpp.

Referenced by MPEGStreamData::CreatePMTSingleProgram().

ProgramMapTable * ProgramMapTable::Create	(	uint	programNumber,
		uint	basepid,
		uint	pcrpid,
		uint	version,
		const desc_list_t &	global_desc,
		const vector< uint > &	pids,
		const vector< uint > &	types,
		const vector< desc_list_t > &	prog_desc
	)			`[static]`

Definition at line 354 of file mpegtables.cpp.

uint ProgramMapTable::PCRPID ( void ) const [inline]

stream that contrains program clock reference.

Definition at line 548 of file mpegtables.h.

Referenced by HDHRRecorder::AdjustFilters(), and MPEGStreamData::CreatePMTSingleProgram().

uint ProgramMapTable::ProgramNumber ( void ) const [inline]

Definition at line 551 of file mpegtables.h.

Referenced by MPEGStreamData::CachePMT(), CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), MPEGStreamData::GetCachedPMTMap(), DVBSignalMonitor::HandlePMT(), DTVSignalMonitor::HandlePMT(), MPEGStreamData::ProcessPMT(), DVBCam::SendPMT(), MPEGStreamData::TestDecryption(), toString(), and SIScan::UpdatePMTinDB().

uint ProgramMapTable::ProgramInfoLength ( void ) const [inline]

Definition at line 554 of file mpegtables.h.

Referenced by AppendStream(), CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), ScanStreamData::GetSIStandard(), IsProgramEncrypted(), Parse(), and toString().

const unsigned char* ProgramMapTable::ProgramInfo ( void ) const [inline]

Definition at line 557 of file mpegtables.h.

Referenced by CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), ScanStreamData::GetSIStandard(), IsProgramEncrypted(), and toString().

uint ProgramMapTable::StreamType ( uint i ) const [inline]

Definition at line 560 of file mpegtables.h.

Referenced by CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), FindPIDs(), ScanStreamData::GetSIStandard(), DVBRecorder::HandleSingleProgramPMT(), AvFormatDecoder::HasVideo(), IsAudio(), IsVideo(), IPTVRecorder::ProcessTSPacket(), HDHRRecorder::ProcessTSPacket(), AvFormatDecoder::ScanDSMCCStreams(), AvFormatDecoder::ScanTeletextCaptions(), StreamDescription(), StreamTypeString(), and toString().

uint ProgramMapTable::StreamPID ( uint i ) const [inline]

Definition at line 563 of file mpegtables.h.

Referenced by HDHRRecorder::AdjustFilters(), CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), FindPID(), FindPIDs(), DVBRecorder::HandleSingleProgramPMT(), MPEGStreamData::TestDecryption(), and toString().

uint ProgramMapTable::StreamInfoLength ( uint i ) const [inline]

Definition at line 566 of file mpegtables.h.

Referenced by AppendStream(), CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), FindPIDs(), GetLanguage(), IsAudio(), IsStillPicture(), IsStreamEncrypted(), IsVideo(), Parse(), AvFormatDecoder::ScanATSCCaptionStreams(), AvFormatDecoder::ScanDSMCCStreams(), AvFormatDecoder::ScanTeletextCaptions(), StreamDescription(), and toString().

const unsigned char* ProgramMapTable::StreamInfo ( uint i ) const [inline]

Definition at line 569 of file mpegtables.h.

Referenced by CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), FindPIDs(), GetLanguage(), IsAudio(), IsStillPicture(), IsStreamEncrypted(), IsVideo(), AvFormatDecoder::ScanATSCCaptionStreams(), AvFormatDecoder::ScanDSMCCStreams(), AvFormatDecoder::ScanTeletextCaptions(), StreamDescription(), and toString().

uint ProgramMapTable::StreamCount ( void ) const [inline]

Definition at line 572 of file mpegtables.h.

Referenced by HDHRRecorder::AdjustFilters(), AppendStream(), CreateCAPMT(), MPEGStreamData::CreatePMTSingleProgram(), FindPID(), FindPIDs(), DVBRecorder::HandlePMT(), DTVSignalMonitor::HandlePMT(), DVBRecorder::HandleSingleProgramPMT(), AvFormatDecoder::HasVideo(), IsEncrypted(), IsStillPicture(), AvFormatDecoder::ScanATSCCaptionStreams(), AvFormatDecoder::ScanDSMCCStreams(), AvFormatDecoder::ScanTeletextCaptions(), MPEGStreamData::TestDecryption(), and toString().

void ProgramMapTable::SetPCRPID ( uint pid ) [inline]

Definition at line 576 of file mpegtables.h.

void ProgramMapTable::SetProgramNumber ( uint num ) [inline]

Definition at line 582 of file mpegtables.h.

void ProgramMapTable::SetStreamPID	(	uint	i,
		uint	pid
	)			`[inline]`

Definition at line 584 of file mpegtables.h.

Referenced by AppendStream().

void ProgramMapTable::SetStreamType	(	uint	i,
		uint	type
	)			`[inline]`

Definition at line 590 of file mpegtables.h.

Referenced by AppendStream().

bool ProgramMapTable::IsVideo	(	uint	i,
		QString	sistandard
	)			const

Returns true iff the stream at index i is an audio stream.

This of course returns true if StreamID::IsVideo() is true. And, it also returns true if IsVideo returns true after StreamID::Normalize() is used on the stream type.

Parameters:

i

index of stream

Definition at line 436 of file mpegtables.cpp.

Referenced by FindPIDs(), DVBRecorder::HandlePMT(), DTVSignalMonitor::HandlePMT(), AvFormatDecoder::HasVideo(), IsStillPicture(), AvFormatDecoder::ScanATSCCaptionStreams(), and MPEGStreamData::TestDecryption().

bool ProgramMapTable::IsAudio	(	uint	i,
		QString	sistandard
	)			const

Returns true iff the stream at index i is an audio stream.

This of course returns true if StreamID::IsAudio() is true. And, it also returns true if IsAudio returns true after StreamID::Normalize() is used on the stream type.

Parameters:

i

index of stream

Definition at line 457 of file mpegtables.cpp.

Referenced by FindPIDs(), DVBRecorder::HandlePMT(), DTVSignalMonitor::HandlePMT(), and MPEGStreamData::TestDecryption().

bool ProgramMapTable::IsEncrypted ( void ) const

Returns true iff PMT contains CA descriptor.

Definition at line 472 of file mpegtables.cpp.

Referenced by DTVSignalMonitor::HandlePMT().

bool ProgramMapTable::IsProgramEncrypted ( void ) const

Returns true iff PMT's ProgramInfo contains CA descriptor.

Definition at line 485 of file mpegtables.cpp.

Referenced by IsEncrypted(), and MPEGStreamData::TestDecryption().

bool ProgramMapTable::IsStreamEncrypted ( uint i ) const

Returns true iff PMT contains CA descriptor.

Parameters:

i

index of stream

Definition at line 509 of file mpegtables.cpp.

Referenced by IsEncrypted(), and MPEGStreamData::TestDecryption().

bool ProgramMapTable::IsStillPicture ( QString sistandard ) const

Returns true iff PMT contains a still-picture video stream.

Definition at line 528 of file mpegtables.cpp.

QString ProgramMapTable::StreamTypeString ( uint i ) const [inline]

Returns a string representation of type at stream index i.

Definition at line 602 of file mpegtables.h.

Referenced by toString().

QString ProgramMapTable::StreamDescription	(	uint	i,
		QString	sistandard
	)			const

Returns a better (and more expensive) string representation of type at stream index i than StreamTypeString(uint).

Definition at line 829 of file mpegtables.cpp.

Referenced by CreateCAPMT().

QString ProgramMapTable::GetLanguage ( uint i ) const

Returns the cannonical language if we find the iso639 descriptor.

Definition at line 815 of file mpegtables.cpp.

Referenced by StreamDescription().

uint ProgramMapTable::FindPIDs	(	uint	type,
		vector< uint > &	pids,
		const QString &	sistandard
	)			const

Finds all pids matching type.

Parameters:

	type	StreamType to match
	pids	vector pids will be added to
	sistandard	standard to use in determining if this is a A/V stream

Returns:: number of pids in list

Definition at line 552 of file mpegtables.cpp.

uint ProgramMapTable::FindPIDs	(	uint	type,
		vector< uint > &	pids,
		vector< uint > &	types,
		const QString &	sistandard,
		bool	normalize
	)			const

Finds all pids w/types, matching type (useful for AnyVideo/AnyAudio).

Parameters:

	type	StreamType to match
	pids	vector pids will be added to
	types	vector types will be added to
	sistandard	standard to use in determining if this is a A/V stream
	normalize	if set types will be normalized

Returns:: number of items in pids and types lists.

Definition at line 588 of file mpegtables.cpp.

int ProgramMapTable::FindPID ( uint pid ) const [inline]

Locates stream index of pid.

Returns:: stream index if successful, -1 otherwise

Definition at line 617 of file mpegtables.h.

Referenced by MPEGStreamData::CreatePMTSingleProgram(), FindPIDs(), FindUnusedPID(), IPTVRecorder::ProcessTSPacket(), and HDHRRecorder::ProcessTSPacket().

uint ProgramMapTable::FindUnusedPID ( uint desired_pid = 0x20 )

Definition at line 641 of file mpegtables.cpp.

void ProgramMapTable::RemoveAllStreams ( void ) [inline]

Definition at line 626 of file mpegtables.h.

void ProgramMapTable::AppendStream	(	uint	pid,
		uint	type,
		unsigned char *	si = `0`,
		uint	il = `0`
	)

Definition at line 413 of file mpegtables.cpp.

void ProgramMapTable::Parse ( void ) const

Definition at line 397 of file mpegtables.cpp.

Referenced by MPEGStreamData::CreatePMTSingleProgram(), and ProgramMapTable().

const QString ProgramMapTable::toString ( void ) const

Reimplemented from PSIPTable.

Definition at line 718 of file mpegtables.cpp.

Referenced by MPEGStreamData::CreatePMTSingleProgram(), and SIScan::UpdatePMTinDB().

void ProgramMapTable::SetStreamInfoLength	(	uint	i,
		uint	length
	)			`[inline, private]`

Definition at line 638 of file mpegtables.h.

Referenced by SetStreamProgramInfo().

void ProgramMapTable::SetStreamProgramInfo	(	uint	i,
		unsigned char *	streamInfo,
		uint	infoLength
	)			`[inline, private]`

Definition at line 644 of file mpegtables.h.

Referenced by AppendStream().

void ProgramMapTable::SetProgramInfoLength ( uint length ) [inline, private]

Definition at line 651 of file mpegtables.h.

Referenced by RemoveAllStreams(), and SetProgramInfo().

void ProgramMapTable::SetProgramInfo	(	unsigned char *	streamInfo,
		uint	infoLength
	)			`[inline, private]`

Definition at line 657 of file mpegtables.h.

ProgramMapTable * ProgramMapTable::CreateBlank ( bool smallPacket = true ) [static, private]

Definition at line 309 of file mpegtables.cpp.

Referenced by Create().

Member Data Documentation

const uint ProgramMapTable::pmt_header = 4 [static, private]

Definition at line 665 of file mpegtables.h.

Referenced by AppendStream(), Parse(), and RemoveAllStreams().

vector<unsigned char*> ProgramMapTable::_ptrs [mutable, private]

Definition at line 666 of file mpegtables.h.

Referenced by AppendStream(), Parse(), RemoveAllStreams(), SetStreamInfoLength(), SetStreamPID(), SetStreamProgramInfo(), SetStreamType(), StreamCount(), StreamInfo(), StreamInfoLength(), StreamPID(), and StreamType().

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

ProgramMapTable Class Reference

Detailed Description

Public Member Functions

Static Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation