RendererCommon (AlivcLivePusher 4.4.8 API)

java.lang.Object
- org.webrtc.ali.RendererCommon

public class RendererCommon
extends java.lang.Object

Static helper functions for renderer implementations.

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static interface`	`RendererCommon.GlDrawer` Interface for rendering frames on an EGLSurface.
`static interface`	`RendererCommon.RendererEvents` Interface for reporting rendering events.
`static class`	`RendererCommon.ScalingType`
`static class`	`RendererCommon.VideoLayoutMeasure` Helper class for determining layout size based on layout requirements, scaling type, and video aspect ratio.
`static class`	`RendererCommon.YuvUploader` Helper class for uploading YUV bytebuffer frames to textures that handles stride > width.

Constructor Summary

Constructors
Constructor and Description

RendererCommon()

Constructors
Constructor and Description
`RendererCommon()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static android.graphics.Point`	`getDisplaySize(RendererCommon.ScalingType scalingType, float videoAspectRatio, int maxDisplayWidth, int maxDisplayHeight)` Calculate display size based on scaling type, video aspect ratio, and maximum display size.
`static float[]`	`getLayoutMatrix(boolean mirror, float videoAspectRatio, float displayAspectRatio)` Returns layout transformation matrix that applies an optional mirror effect and compensates for video vs display aspect ratio.
`static float[]`	`horizontalFlipMatrix()`
`static float[]`	`identityMatrix()`
`static float[]`	`multiplyMatrices(float[] a, float[] b)` Returns new matrix with the result of a * b.
`static float[]`	`rotateTextureMatrix(float[] textureMatrix, float rotationDegree)` Returns texture matrix that will have the effect of rotating the frame \|rotationDegree\| clockwise when rendered.
`static float[]`	`verticalFlipMatrix()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- RendererCommon
```
public RendererCommon()
```

Method Detail

identityMatrix

public static final float[] identityMatrix()

verticalFlipMatrix

public static final float[] verticalFlipMatrix()

horizontalFlipMatrix

public static final float[] horizontalFlipMatrix()

rotateTextureMatrix

public static float[] rotateTextureMatrix(float[] textureMatrix,
                                          float rotationDegree)

Returns texture matrix that will have the effect of rotating the frame |rotationDegree| clockwise when rendered.

multiplyMatrices

public static float[] multiplyMatrices(float[] a,
                                       float[] b)

Returns new matrix with the result of a * b.

getLayoutMatrix

public static float[] getLayoutMatrix(boolean mirror,
                                      float videoAspectRatio,
                                      float displayAspectRatio)

Returns layout transformation matrix that applies an optional mirror effect and compensates for video vs display aspect ratio.

getDisplaySize

public static android.graphics.Point getDisplaySize(RendererCommon.ScalingType scalingType,
                                                    float videoAspectRatio,
                                                    int maxDisplayWidth,
                                                    int maxDisplayHeight)

Calculate display size based on scaling type, video aspect ratio, and maximum display size.

Class RendererCommon