SpeedChangeEffect


@UnstableApi
public final class SpeedChangeEffect implements GlEffect


Applies a speed change by updating the frame timestamps.

This effect doesn't drop any frames.

Summary

Public constructors

SpeedChangeEffect(@FloatRange(from = 0, fromInclusive = false) float speed)

Creates an instance.

Public methods

boolean
isNoOp(int inputWidth, int inputHeight)

Returns whether a GlEffect applies no change at every timestamp.

GlShaderProgram
toGlShaderProgram(Context context, boolean useHdr)

Returns a GlShaderProgram that applies the effect.

Public constructors

SpeedChangeEffect

public SpeedChangeEffect(@FloatRange(from = 0, fromInclusive = false) float speed)

Creates an instance.

Public methods

isNoOp

public boolean isNoOp(int inputWidth, int inputHeight)

Returns whether a GlEffect applies no change at every timestamp.

This can be used as a hint to skip this instance.

Parameters
int inputWidth

The input frame width, in pixels.

int inputHeight

The input frame height, in pixels.

toGlShaderProgram

public GlShaderProgram toGlShaderProgram(Context context, boolean useHdr)

Returns a GlShaderProgram that applies the effect.

Parameters
Context context

A Context.

boolean useHdr

Whether input textures come from an HDR source. If true, colors will be in linear RGB BT.2020. If false, colors will be in linear RGB BT.709.

Throws
androidx.media3.common.VideoFrameProcessingException

If an error occurs while creating the .