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darer #3 确实是这样的,但是我不是很好描述
```
 Image image = reader.acquireLatestImage();
            if (image != null) {
                Image.Plane[] planes = image.getPlanes();
                Image.Plane plane = planes[0];
                ByteBuffer buffer = plane.getBuffer();
                byte[] bytes = new byte[buffer.remaining()];
                buffer.get(bytes, 0, bytes.length);
                if (mDataThread != null) {
                    mDataThread.addData(bytes);
                }
                image.close();
            }
```
上面是我从 image 中取出来的数据,然后把这个数据送给的 libyuv 去转换的,iamgereader 用的是 PixelFormat.RGBA_8888,libyuv 用的是 ABGRToI420