测试音频时常

hazard-admin/pom.xml

@@ -27,7 +27,11 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-websocket</artifactId>
         </dependency>
-
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>javacv</artifactId>
+            <version>1.5.6</version>
+        </dependency>
         <!-- 极光推送 -->
         <dependency>
             <groupId>cn.jpush.api</groupId>

hazard-admin/src/main/java/com/ozs/web/controller/accountmanagment/BaseCameraManagementController.java

@@ -1063,5 +1063,10 @@ public class BaseCameraManagementController extends BaseController {
             return AjaxResult.error();
         }
     }
+
+    @GetMapping("getDuration")
+    public void getDuration() {
+        cameraUtil.getDuration("1");
+    }
 }
 

hazard-admin/src/main/java/com/ozs/web/core/util/CameraUtil.java

@@ -45,6 +45,7 @@ import com.jcraft.jsch.JSchException;
 import com.jcraft.jsch.Session;
 import com.ozs.common.utils.HttpClientUtil;
 import org.apache.commons.lang3.StringUtils;
+import org.bytedeco.javacv.FFmpegFrameGrabber;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
@@ -1397,4 +1398,19 @@ ffmpeg -i "concat:1.ts|2.ts" -c copy output.mp4
         // 使用DateTimeFormatter解析日期
         return LocalDate.parse(fullDateStr, DateTimeFormatter.ofPattern("MM dd yyyy"));
     }
+
+    public  void getDuration(String file) {
+        String filePath = "/opt/1.m4a";
+        try (FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(filePath)) {
+            grabber.start();
+            // 总时长（纳秒）
+            long durationInNanoSeconds = grabber.getLengthInTime();
+            // 转换为秒
+            double durationInSeconds = durationInNanoSeconds / 1_000_000_000.0;
+            log.info("Audio Duration: " + durationInSeconds + " seconds");
+            grabber.stop();
+        } catch (Exception e) {
+            e.getMessage();
+        }
+    }
 }