Struct used to keep track of all frame time variance and accommodate for skipped frames. Also tracks whether a frame is still being loaded by the display proxy. More...

Public Member Functions
	FrameMeasure ()

void	reset ()

Public Attributes
KisRollingMeanAccumulatorWrapper	averageTimePerFrame

KisRollingSumAccumulatorWrapper	droppedFramesStat

QElapsedTimer	timeSinceLastFrame

bool	waitingForFrame

Static Public Attributes
static constexpr int	frameStatsWindow = 50

Detailed Description

Struct used to keep track of all frame time variance and accommodate for skipped frames. Also tracks whether a frame is still being loaded by the display proxy.

Only allocated when playback begins.

Definition at line 125 of file KisPlaybackEngineQT.cpp.

Constructor & Destructor Documentation

◆ FrameMeasure()

FrameMeasure::FrameMeasure ( )

inline

Definition at line 128 of file KisPlaybackEngineQT.cpp.

        : averageTimePerFrame(frameStatsWindow)
        , waitingForFrame(false)
        , droppedFramesStat(frameStatsWindow)
 
    {
        timeSinceLastFrame.start();
    }

Member Function Documentation

◆ reset()

void FrameMeasure::reset ( )

inline

Definition at line 137 of file KisPlaybackEngineQT.cpp.

                 {
        timeSinceLastFrame.start();
        averageTimePerFrame.reset(frameStatsWindow);
        waitingForFrame = false;
        droppedFramesStat.reset(frameStatsWindow);
    }

Member Data Documentation

◆ averageTimePerFrame

KisRollingMeanAccumulatorWrapper FrameMeasure::averageTimePerFrame

Definition at line 145 of file KisPlaybackEngineQT.cpp.

◆ droppedFramesStat

KisRollingSumAccumulatorWrapper FrameMeasure::droppedFramesStat

Definition at line 148 of file KisPlaybackEngineQT.cpp.

◆ frameStatsWindow

constexpr int FrameMeasure::frameStatsWindow = 50

staticconstexpr

Definition at line 126 of file KisPlaybackEngineQT.cpp.

◆ timeSinceLastFrame

QElapsedTimer FrameMeasure::timeSinceLastFrame

Definition at line 144 of file KisPlaybackEngineQT.cpp.

◆ waitingForFrame

bool FrameMeasure::waitingForFrame

Definition at line 146 of file KisPlaybackEngineQT.cpp.

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

libs/ui/KisPlaybackEngineQT.cpp

Public Member Functions

Public Attributes

Static Public Attributes