怎么录制呼叫方的视频？？

/**

 * Created by lzan13 on 2016/8/9.

 * 通话数据回调处理接口

 */

public class CameraDataProcessor implements EMCallManager.EMCameraDataProcessor {



    byte yDelta = 0;



    synchronized void setYDelta(byte yDelta) {

        VMLog.d("brigntness uDelta:" + yDelta);

        this.yDelta = yDelta;

    }



    // data size is width*height*2

    // the first width*height is Y, second part is UV

    // the storage layout detailed please refer 2.x demo CameraHelper.onPreviewFrame

    @Override public synchronized void onProcessData(byte[] data, Camera camera, int width,

            int height, int rotation) {

        int wh = width * height;

        for (int i = 0; i < wh; i++) {

            int d = (data[i] & 0xFF) + yDelta;

            d = d < 16 ? 16 : d;

            d = d > 235 ? 235 : d;

            data[i] = (byte) d;

        }

    }

}