测试音频时常

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

@@ -1400,7 +1400,7 @@ ffmpeg -i "concat:1.ts|2.ts" -c copy output.mp4
     }
 
     public  void getDuration(String file) {
-        String filePath = "/opt/1.m4a";
+        String filePath = "D:\\LY\\1.m4a";
         try (FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(filePath)) {
             grabber.start();
             // 总时长（纳秒）
@@ -1413,4 +1413,19 @@ ffmpeg -i "concat:1.ts|2.ts" -c copy output.mp4
             e.getMessage();
         }
     }
+
+    public static void main(String[] args) {
+        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_000.0;
+            log.info("Audio Duration: " + durationInSeconds + " seconds");
+            grabber.stop();
+        } catch (Exception e) {
+            e.getMessage();
+        }
+    }
 }