mFilterManager = FilterManager
                .builder() 
                .context(mApplicationContext)
                .isUseQiniu(false)//是否在qiniu云直播上使用滤镜
                .addExtFilterListener(new onExtFilterListener() {//添加扩展的滤镜,因为滤镜创建必须在render的回调中,所以统一在这里管理滤镜
                    @Override
                    public IFilter onCreateExtFilter(Context context, int index) {
                        switch (index) {
                            case 0://继承于cameraFitlter后可自定义filter,此Filter可任意添加一张图片到界面上
                                return new CameraFilterBlend(context, R.mipmap.
                                        pic_addpic);
                            default:
                                return new CameraFilter(context, false);
                        }
                    }
                })
                .defaultFilter(new FilterInfo(false, 0))//设置默认滤镜(false为使用内置滤镜,角标范围是0-13,0为透明滤镜)
                .build();

 mCameraStreamingManager.setSurfaceTextureCallback(new SurfaceTextureCallback() {
            @Override
            public void onSurfaceCreated() {
               mFilterManager.initialize();
            }

            @Override
            public void onSurfaceChanged(int i, int i1) {
               mFilterManager.updateSurfaceSize(i, i1);
            }

            @Override
            public void onSurfaceDestroyed() {
                mFilterManager.release();
            }

            @Override
            public int onDrawFrame(int i, int i1, int i2, float[] floats) {
               return mFilterManager.drawFrame(var1, null, var2, var3);
            }
        });