ZegoExternalVideoFilter (ZegoLiveRoom API Specification)

java.lang.Object
- com.zego.zegoavkit2.videofilter.ZegoExternalVideoFilter

```
public final class ZegoExternalVideoFilter
extends java.lang.Object
```
设置外部滤镜接口。
Copyright © 2017 Zego. All rights reserved.

Constructor Summary

Constructors
Constructor Description

ZegoExternalVideoFilter()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`setVideoFilterFactory(ZegoVideoFilterFactory factory, int channelIndex)`	设置外部滤镜工厂；当置空时，关闭外部滤镜功能。

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

- Constructor Detail
  - ZegoExternalVideoFilter
```
public ZegoExternalVideoFilter()
```
- Method Detail
  - setVideoFilterFactory
```
public static boolean setVideoFilterFactory(ZegoVideoFilterFactory factory,
                                            int channelIndex)
```
    设置外部滤镜工厂；当置空时，关闭外部滤镜功能。
    注意：1. 必须在推/拉流、预览前设置；
    2. 在推/拉流、预览过程中不要改变该工厂实例。
    
    Parameters:
    
    factory - 外部滤镜工厂实例；当置空时，关闭外部滤镜功能。
    
    channelIndex - 推流通道, 参考 ZegoConstants.PublishChannelIndex
    
    Returns:
    
    设置成功返回 true, 否则返回 false