Glide获取视频某一帧的图片

/**

*
有个0- 到1秒的延迟
*  @param  context 上下文
*  @param  uri 视频地址
*  @param  imageView 设置image
*  @param  frameTimeMicros 获取某一时间帧

*/

public static void loadVideoScreenshot(final Context context, String uri, ImageView imageView, long frameTimeMicros) {
    RequestOptions requestOptions = RequestOptions.frameOf(frameTimeMicros);
    requestOptions.set(FRAME_OPTION, MediaMetadataRetriever.OPTION_CLOSEST);
    requestOptions.transform(new BitmapTransformation() {
        @Override
        protected Bitmap transform(@NonNull BitmapPool pool, @NonNull Bitmap toTransform, int outWidth, int outHeight) {
            return toTransform;
        }
        @Override
        public void updateDiskCacheKey(MessageDigest messageDigest) {
            try {
                messageDigest.update((context.getPackageName() + "RotateTransform").getBytes("utf-8"));
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
    Glide.with(context).load(uri).apply(requestOptions).into(imageView);
}