com.github.sarxos.webcam

Interface WebcamUpdater.DelayCalculator

All Known Implementing Classes:

WebcamUpdater.DefaultDelayCalculator

Enclosing class:

WebcamUpdater

public static interface WebcamUpdater.DelayCalculator

Implementation of this interface is responsible for calculating the delay between 2 image fetching, when the non-blocking (asynchronous) access to the webcam is enabled.

Method Summary

Modifier and Type	Method and Description
long	calculateDelay(long snapshotDuration, double deviceFps) Calculates delay before the next image will be fetched from the webcam.

Method Detail

calculateDelay

long calculateDelay(long snapshotDuration,
                    double deviceFps)

Calculates delay before the next image will be fetched from the webcam. Must return number greater or equal 0.

Parameters:

snapshotDuration - - duration of taking the last image

deviceFps - - current FPS obtained from the device, or -1 if the driver doesn't support it

Returns:

interval (in millis)