Scheduler Class Reference

#include <evrcustompresenter_p.h>

Collaboration diagram for Scheduler:

Public Types
enum	ScheduleEvent { Terminate = WM_USER , Schedule = WM_USER + 1 , Flush = WM_USER + 2 }

Public Member Functions
	Scheduler (EVRCustomPresenter *presenter)
	~Scheduler ()
void	setFrameRate (const MFRatio &fps)
void	setClockRate (float rate)
const LONGLONG &	lastSampleTime () const
const LONGLONG &	frameDuration () const
HRESULT	startScheduler (IMFClock *clock)
HRESULT	stopScheduler ()
HRESULT	scheduleSample (IMFSample *sample, bool presentNow)
HRESULT	processSamplesInQueue (LONG *nextSleep)
HRESULT	processSample (IMFSample *sample, LONG *nextSleep)
HRESULT	flush ()
bool	areSamplesScheduled ()

Static Public Member Functions
static DWORD WINAPI	schedulerThreadProc (LPVOID parameter)

Detailed Description

Definition at line 94 of file evrcustompresenter_p.h.

Member Enumeration Documentation

ScheduleEvent

enum Scheduler::ScheduleEvent

Enumerator
Terminate
Schedule
Flush

Definition at line 98 of file evrcustompresenter_p.h.

Constructor & Destructor Documentation

Scheduler()

Scheduler::Scheduler

(

EVRCustomPresenter *

presenter

)

Definition at line 84 of file evrcustompresenter.cpp.

~Scheduler()

Scheduler::~Scheduler

(

)

Definition at line 98 of file evrcustompresenter.cpp.

References QList< T >::clear(), i, qt_evr_safe_release(), and QList< T >::size().

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Member Function Documentation

areSamplesScheduled()

bool Scheduler::areSamplesScheduled

(

)

Definition at line 230 of file evrcustompresenter.cpp.

References QList< T >::count().

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flush()

HRESULT Scheduler::flush

(

)

Definition at line 214 of file evrcustompresenter.cpp.

References Flush, and SCHEDULER_TIMEOUT.

Referenced by EVRCustomPresenter::~EVRCustomPresenter().

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frameDuration()

const LONGLONG & Scheduler::frameDuration ( ) const

inline

Definition at line 112 of file evrcustompresenter_p.h.

lastSampleTime()

const LONGLONG & Scheduler::lastSampleTime ( ) const

inline

Definition at line 111 of file evrcustompresenter_p.h.

processSample()

HRESULT Scheduler::processSample	(	IMFSample *	sample,
		LONG *	nextSleep
	)

Definition at line 297 of file evrcustompresenter.cpp.

References QMutex::lock(), MFTimeToMsec(), QList< T >::prepend(), EVRCustomPresenter::presentSample(), qFabs(), and QMutex::unlock().

Referenced by processSamplesInQueue().

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processSamplesInQueue()

HRESULT Scheduler::processSamplesInQueue

(

LONG *

nextSleep

)

Definition at line 264 of file evrcustompresenter.cpp.

References QQueue< T >::dequeue(), QList< T >::isEmpty(), QMutex::lock(), processSample(), qt_evr_safe_release(), and QMutex::unlock().

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schedulerThreadProc()

DWORD WINAPI Scheduler::schedulerThreadProc ( LPVOID  parameter )

static

Definition at line 359 of file evrcustompresenter.cpp.

Referenced by startScheduler().

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scheduleSample()

HRESULT Scheduler::scheduleSample	(	IMFSample *	sample,
		bool	presentNow
	)

Definition at line 236 of file evrcustompresenter.cpp.

References QQueue< T >::enqueue(), QMutex::lock(), EVRCustomPresenter::presentSample(), Schedule, and QMutex::unlock().

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setClockRate()

void Scheduler::setClockRate ( float  rate )

inline

Definition at line 109 of file evrcustompresenter_p.h.

Referenced by EVRCustomPresenter::OnClockSetRate().

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setFrameRate()

void Scheduler::setFrameRate

(

const MFRatio &

fps

)

Definition at line 106 of file evrcustompresenter.cpp.

startScheduler()

HRESULT Scheduler::startScheduler

(

IMFClock *

clock

)

Definition at line 119 of file evrcustompresenter.cpp.

References done, and schedulerThreadProc().

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stopScheduler()

HRESULT Scheduler::stopScheduler

(

)

Definition at line 183 of file evrcustompresenter.cpp.

References QList< T >::clear(), i, QMutex::lock(), QList< T >::size(), Terminate, and QMutex::unlock().

Referenced by EVRCustomPresenter::~EVRCustomPresenter().

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

• qtmultimedia/src/plugins/multimedia/windows/evr/evrcustompresenter_p.h
• qtmultimedia/src/plugins/multimedia/windows/evr/evrcustompresenter.cpp