时长信息转到video主体 增加多线程获取时间方法

src/main/java/com/peanut/common/service/AsyncService.java

@@ -0,0 +1,30 @@
+package com.peanut.common.service;
+
+import com.aliyun.vod20170321.models.GetVideoPlayAuthResponse;
+import com.peanut.common.utils.SpdbUtil;
+import com.peanut.modules.common.dao.CourseCatalogueChapterVideoDao;
+import com.peanut.modules.common.entity.CourseCatalogueChapterVideoEntity;
+import com.peanut.modules.common.entity.UserCourseVideoPositionEntity;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AsyncService {
+    @Autowired
+    private CourseCatalogueChapterVideoDao courseCatalogueChapterVideoDao;
+
+    @Async
+    public void pushDurationToVideo(Integer videoId) throws Exception {
+        CourseCatalogueChapterVideoEntity courseCatalogueChapterVideoEntity = courseCatalogueChapterVideoDao.selectById(videoId);
+        if(courseCatalogueChapterVideoEntity.getType()==1){
+            GetVideoPlayAuthResponse p = SpdbUtil.getPlayAuth(courseCatalogueChapterVideoEntity.getVideo());
+            int i = p.getBody().getVideoMeta().getDuration().intValue();
+            courseCatalogueChapterVideoEntity.setDuration(i);
+        }else{
+            Integer mp4Duration = SpdbUtil.getMp4Duration("https://ehh-private-01.oss-cn-beijing.aliyuncs.com/video/taiHuClass/" + courseCatalogueChapterVideoEntity.getVideo());
+            courseCatalogueChapterVideoEntity.setDuration(mp4Duration);
+        }
+        courseCatalogueChapterVideoDao.updateById(courseCatalogueChapterVideoEntity);
+    }
+}

src/main/java/com/peanut/common/utils/SpdbUtil.java

@@ -5,11 +5,25 @@ import com.aliyun.teautil.models.RuntimeOptions;
 import com.aliyun.vod20170321.Client;
 import com.aliyun.vod20170321.models.GetVideoPlayAuthRequest;
 import com.aliyun.vod20170321.models.GetVideoPlayAuthResponse;
+import org.bytedeco.javacv.FFmpegFrameGrabber;
+import org.bytedeco.javacv.FrameGrabber;
 
 import java.util.HashMap;
 
 public class SpdbUtil {
 
+    public static Integer getMp4Duration(String url){
+        double duration = 0;
+        try (FFmpegFrameGrabber frameGrabber = new FFmpegFrameGrabber(url)) {
+            frameGrabber.start();
+            duration = frameGrabber.getLengthInTime()/1000000;
+            frameGrabber.stop();
+        } catch (FrameGrabber.Exception e) {
+            e.printStackTrace();
+        }
+        return (int)duration;
+    };
+
     public static GetVideoPlayAuthResponse getPlayAuth(String vid) throws Exception {
         com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
                 // 必填，请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_ID。