java 代码获取视频时长
1 package test;
2
3 import java.io.File;
4 import java.math.BigDecimal;
5
6 import it.sauronsoftware.jave.Encoder;
7 import it.sauronsoftware.jave.MultimediaInfo;
8
9
10 public class ReadVideo {
11 /**
12 * 读取视频时长
13 * @param videoPath 视频路径
14 * @return
15 */
16 public static String readVideo(String videoPath) {
17 String durationStr = "";
18 File file = new File(videoPath); //videoPath传入值（"D:\\666.mp4"）
19 Encoder encoder = new Encoder();
20 long sum = 0;
21 try {
22 MultimediaInfo m = encoder.getInfo(file);
23 sum = m.getDuration()/1000; //时长sum单位：秒
24
25 } catch (Exception e) {
26 e.printStackTrace();
27 }
28 double sum1 = (double) sum;
29 System.out.println("视频时长总秒数："+sum1);
30
31 BigDecimal duration =BigDecimal.valueOf(sum);
32 durationStr = durationFormatToString(duration);
33 System.out.println("视频时长:"+durationStr);
34
35 return durationStr;
36 }
37
38 /**
39 * 将视频时长转换成"00:00:00.000"的字符串格式
40 * @param duration 视频时长（单位：秒）
41 * @return
42 */
43 public static String durationFormatToString(BigDecimal duration)
44 {
45 BigDecimal nine = BigDecimal.valueOf(9);
46 BigDecimal sixty = BigDecimal.valueOf(60);
47
48 BigDecimal second = duration.divideAndRemainder(sixty)[1];
49 BigDecimal minute = duration.subtract(second).divide(sixty).divideAndRemainder(sixty)[1];
50 BigDecimal hour = duration.subtract(second).divideToIntegralValue(BigDecimal.valueOf(3600));
51
52 String str = "";
53 if (hour.compareTo(nine)>0)
54 {
55 str += hour.intValue() + ":";
56 }
57 else
58 {
59 str += "0" + hour.intValue() + ":";
60 }
61 if (minute.compareTo(nine)>0)
62 {
63 str += minute.intValue() + ":";
64 }
65 else
66 {
67 str += "0" + minute.intValue() + ":";
68 }
69 if (second.compareTo(nine)>0)
70 {
71 str += second.intValue() + ".000";
72 }
73 else
74 {
75 str +="0"+ second.intValue() + ".000";
76 }
77 return str;
78 }
79
80 }
需要引入jar包 下载地址
http://www.sauronsoftware.it/projects/jave/download.php
https://pan.baidu.com/s/1slTz7it
参考网址：http://www.cnblogs.com/mysgk/p/4117134.html