Inheritance diagram for StreamWorker:

Collaboration diagram for StreamWorker:

Public Member Functions
	StreamWorker (HLSRingBuffer *parent, int startup, int buffer)

void	Cancel (void)

int	CurrentStream (void)

int	Segment (void)

void	Seek (int val)

bool	IsAtEnd (bool lock=false)

bool	GotBufferedSegments (int from, int count) const
	check that we have at least [count] segments buffered from position [from] More...

int	CurrentPlaybackBuffer (bool lock=true)

int	CurrentLiveBuffer (void)

void	SetBuffer (int val)

void	AddSegmentToStream (int segnum, int stream)

void	RemoveSegmentFromStream (int segnum)

int	StreamForSegment (int segmentid, bool lock=true) const
	return the stream used to download a particular segment or -1 if it was never downloaded More...

void	Wakeup (void)

void	WaitForSignal (std::chrono::milliseconds time=std::chrono::milliseconds::max())

void	Lock (void)

void	Unlock (void)

int64_t	Bandwidth (void) const

double	AverageNewBandwidth (int64_t bandwidth)

Public Member Functions inherited from MThread
	MThread (const QString &objectName)
	Standard constructor. More...

	MThread (const QString &objectName, QRunnable *runnable)
	Use this constructor if you want the default run() method to run the QRunnable's run() method instead of entering the Qt event loop. More...

virtual	~MThread ()

	MThread (const MThread &)=delete

MThread &	operator= (const MThread &)=delete

void	RunProlog (void)
	Sets up a thread, call this if you reimplement run(). More...

void	RunEpilog (void)
	Cleans up a thread's resources, call this if you reimplement run(). More...

QThread *	qthread (void)
	Returns the thread, this will always return the same pointer no matter how often you restart the thread. More...

void	setObjectName (const QString &name)

QString	objectName (void) const

void	setPriority (QThread::Priority priority)

QThread::Priority	priority (void) const

bool	isFinished (void) const

bool	isRunning (void) const

void	setStackSize (uint stackSize)

uint	stackSize (void) const

void	exit (int retcode=0)
	Use this to exit from the thread if you are using a Qt event loop. More...

void	start (QThread::Priority p=QThread::InheritPriority)
	Tell MThread to start running the thread in the near future. More...

void	terminate (void)
	Kill a thread unsafely. More...

void	quit (void)
	calls exit(0) More...

bool	wait (std::chrono::milliseconds time=std::chrono::milliseconds::max())
	Wait for the MThread to exit, with a maximum timeout. More...

Protected Member Functions
void	run (void) override
	Runs the Qt event loop unless we have a QRunnable, in which case we run the runnable run instead. More...

int	BandwidthAdaptation (int progid, uint64_t &bandwidth) const

Protected Member Functions inherited from MThread
virtual void	run (void)
	Runs the Qt event loop unless we have a QRunnable, in which case we run the runnable run instead. More...

int	exec (void)
	Enters the qt event loop. call exit or quit to exit thread. More...

Private Attributes
HLSRingBuffer *	m_parent {nullptr}

bool	m_interrupted {false}

int64_t	m_bandwidth {0}

int	m_stream {0}

int	m_segment

int	m_buffer

QMap< int, int >	m_segmap

QMutex	m_lock

QWaitCondition	m_waitcond

double	m_sumbandwidth {0.0}

int	m_countbandwidth {0}

Additional Inherited Members
Static Public Member Functions inherited from MThread
static void	ThreadSetup (const QString &name)
	This is to be called on startup in those few threads that haven't been ported to MThread. More...

static void	ThreadCleanup (void)
	This is to be called on exit in those few threads that haven't been ported to MThread. More...

static void	Cleanup (void)
	This will print out all the running threads, call exit(1) on each and then wait up to 5 seconds total for all the threads to exit. More...

static void	GetAllThreadNames (QStringList &list)

static void	GetAllRunningThreadNames (QStringList &list)

Static Protected Member Functions inherited from MThread
static void	setTerminationEnabled (bool enabled=true)

static void	usleep (std::chrono::microseconds time)

template<typename R , typename P >
static std::enable_if_t< std::chrono::treat_as_floating_point< R >::value, void >	usleep (std::chrono::duration< R, P > time)

Protected Attributes inherited from MThread
MThreadInternal *	m_thread {nullptr}

QRunnable *	m_runnable {nullptr}

bool	m_prologExecuted {true}

bool	m_epilogExecuted {true}

Detailed Description

Definition at line 991 of file httplivestreambuffer.cpp.

Constructor & Destructor Documentation

◆ StreamWorker()

StreamWorker::StreamWorker	(	HLSRingBuffer *	parent,
		int	startup,
		int	buffer
	)

inline

Definition at line 994 of file httplivestreambuffer.cpp.

Member Function Documentation

◆ AddSegmentToStream()

void StreamWorker::AddSegmentToStream	(	int	segnum,
		int	stream
	)

inline

Definition at line 1088 of file httplivestreambuffer.cpp.

Referenced by run().

◆ AverageNewBandwidth()

double StreamWorker::AverageNewBandwidth ( int64_t bandwidth )

inline

Definition at line 1149 of file httplivestreambuffer.cpp.

Referenced by run().

◆ Bandwidth()

int64_t StreamWorker::Bandwidth ( void ) const

inline

Definition at line 1145 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::SeekInternal().

◆ BandwidthAdaptation()

int StreamWorker::BandwidthAdaptation	(	int	progid,
		uint64_t &	bandwidth
	)		const

inlineprotected

Definition at line 1274 of file httplivestreambuffer.cpp.

Referenced by run().

◆ Cancel()

void StreamWorker::Cancel ( void )

inline

Definition at line 998 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::~HLSRingBuffer().

◆ CurrentLiveBuffer()

int StreamWorker::CurrentLiveBuffer ( void )

inline

Definition at line 1079 of file httplivestreambuffer.cpp.

Referenced by run().

◆ CurrentPlaybackBuffer()

int StreamWorker::CurrentPlaybackBuffer ( bool lock = true )

inline

Definition at line 1066 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::Prefetch(), PlaylistWorker::run(), HLSRingBuffer::SafeRead(), HLSRingBuffer::SanityCheck(), HLSRingBuffer::SeekInternal(), and HLSRingBuffer::WaitUntilBuffered().

◆ CurrentStream()

int StreamWorker::CurrentStream ( void )

inline

Definition at line 1016 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::GetCurrentStream().

◆ GotBufferedSegments()

bool StreamWorker::GotBufferedSegments	(	int	from,
		int	count
	)		const

inline

check that we have at least [count] segments buffered from position [from]

Definition at line 1051 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::SeekInternal(), and HLSRingBuffer::WaitUntilBuffered().

◆ IsAtEnd()

bool StreamWorker::IsAtEnd ( bool lock = false )

inline

Definition at line 1033 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::Prefetch(), run(), HLSRingBuffer::SanityCheck(), HLSRingBuffer::SeekInternal(), and HLSRingBuffer::WaitUntilBuffered().

◆ Lock()

void StreamWorker::Lock ( void )

inline

Definition at line 1137 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::GetSegment(), HLSRingBuffer::Prefetch(), run(), HLSRingBuffer::SeekInternal(), and HLSRingBuffer::WaitUntilBuffered().

◆ RemoveSegmentFromStream()

void StreamWorker::RemoveSegmentFromStream ( int segnum )

inline

Definition at line 1095 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::SafeRead().

◆ run()

void StreamWorker::run ( void )

inlineoverrideprotectedvirtual

Runs the Qt event loop unless we have a QRunnable, in which case we run the runnable run instead.

Note: If you override this method you must call RunProlog before you do any work and RunEpilog before you exit the run method.

Reimplemented from MThread.

Definition at line 1158 of file httplivestreambuffer.cpp.

◆ Seek()

void StreamWorker::Seek ( int val )

inline

Definition at line 1026 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::GetSegment(), and HLSRingBuffer::SeekInternal().

◆ Segment()

int StreamWorker::Segment ( void )

inline

Definition at line 1021 of file httplivestreambuffer.cpp.

◆ SetBuffer()

void StreamWorker::SetBuffer ( int val )

inline

Definition at line 1083 of file httplivestreambuffer.cpp.

◆ StreamForSegment()

int StreamWorker::StreamForSegment	(	int	segmentid,
		bool	lock = `true`
	)		const

inline

return the stream used to download a particular segment or -1 if it was never downloaded

Definition at line 1105 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::DurationForBytes(), HLSRingBuffer::GetSegment(), HLSRingBuffer::GetStreamForSegment(), GotBufferedSegments(), run(), HLSRingBuffer::SafeRead(), and HLSRingBuffer::SeekInternal().

◆ Unlock()

void StreamWorker::Unlock ( void )

inline

Definition at line 1141 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::GetSegment(), HLSRingBuffer::Prefetch(), run(), HLSRingBuffer::SeekInternal(), and HLSRingBuffer::WaitUntilBuffered().

◆ WaitForSignal()

void StreamWorker::WaitForSignal ( std::chrono::milliseconds time = std::chrono::milliseconds::max() )

inline

Definition at line 1132 of file httplivestreambuffer.cpp.

Referenced by HLSRingBuffer::GetSegment(), HLSRingBuffer::Prefetch(), run(), HLSRingBuffer::SeekInternal(), and HLSRingBuffer::WaitUntilBuffered().

◆ Wakeup()

void StreamWorker::Wakeup ( void )

inline

Definition at line 1127 of file httplivestreambuffer.cpp.

Referenced by Cancel(), HLSRingBuffer::Prefetch(), run(), PlaylistWorker::run(), HLSRingBuffer::SafeRead(), Seek(), and HLSRingBuffer::WaitUntilBuffered().

Member Data Documentation

◆ m_bandwidth

int64_t StreamWorker::m_bandwidth {0}

private

Definition at line 1310 of file httplivestreambuffer.cpp.

Referenced by AverageNewBandwidth(), Bandwidth(), and run().

◆ m_buffer

int StreamWorker::m_buffer

private

Definition at line 1313 of file httplivestreambuffer.cpp.

Referenced by run(), and SetBuffer().

◆ m_countbandwidth

int StreamWorker::m_countbandwidth {0}

private

Definition at line 1318 of file httplivestreambuffer.cpp.

Referenced by AverageNewBandwidth().

◆ m_interrupted

bool StreamWorker::m_interrupted {false}

private

Definition at line 1308 of file httplivestreambuffer.cpp.

Referenced by AddSegmentToStream(), Cancel(), and run().

◆ m_lock

QMutex StreamWorker::m_lock

mutableprivate

Definition at line 1315 of file httplivestreambuffer.cpp.

Referenced by AddSegmentToStream(), Cancel(), CurrentPlaybackBuffer(), CurrentStream(), IsAtEnd(), Lock(), RemoveSegmentFromStream(), Seek(), Segment(), SetBuffer(), StreamForSegment(), Unlock(), and WaitForSignal().

◆ m_parent

HLSRingBuffer* StreamWorker::m_parent {nullptr}

private

Definition at line 1307 of file httplivestreambuffer.cpp.

Referenced by BandwidthAdaptation(), Cancel(), CurrentLiveBuffer(), CurrentPlaybackBuffer(), GotBufferedSegments(), IsAtEnd(), and run().

◆ m_segmap

QMap<int,int> StreamWorker::m_segmap

private

Definition at line 1314 of file httplivestreambuffer.cpp.

Referenced by AddSegmentToStream(), RemoveSegmentFromStream(), and StreamForSegment().

◆ m_segment

int StreamWorker::m_segment

private

Definition at line 1312 of file httplivestreambuffer.cpp.

Referenced by CurrentLiveBuffer(), CurrentPlaybackBuffer(), IsAtEnd(), run(), Seek(), and Segment().

◆ m_stream

int StreamWorker::m_stream {0}

private

Definition at line 1311 of file httplivestreambuffer.cpp.

Referenced by CurrentStream(), and run().

◆ m_sumbandwidth

double StreamWorker::m_sumbandwidth {0.0}

private

Definition at line 1317 of file httplivestreambuffer.cpp.

Referenced by AverageNewBandwidth().

◆ m_waitcond

QWaitCondition StreamWorker::m_waitcond

private

Definition at line 1316 of file httplivestreambuffer.cpp.

Referenced by WaitForSignal(), and Wakeup().

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

mythtv/libs/libmythtv/HLS/httplivestreambuffer.cpp

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ StreamWorker()

Member Function Documentation

◆ AddSegmentToStream()

◆ AverageNewBandwidth()

◆ Bandwidth()

◆ BandwidthAdaptation()

◆ Cancel()

◆ CurrentLiveBuffer()

◆ CurrentPlaybackBuffer()

◆ CurrentStream()

◆ GotBufferedSegments()

◆ IsAtEnd()

◆ Lock()

◆ RemoveSegmentFromStream()

◆ run()

◆ Seek()

◆ Segment()

◆ SetBuffer()

◆ StreamForSegment()

◆ Unlock()

◆ WaitForSignal()

◆ Wakeup()

Member Data Documentation

◆ m_bandwidth

◆ m_buffer

◆ m_countbandwidth

◆ m_interrupted

◆ m_lock

◆ m_parent

◆ m_segmap

◆ m_segment

◆ m_stream

◆ m_sumbandwidth

◆ m_waitcond