JAVA 获取音频/视频长度

音频：

public static long getMp3Length(String url) {
		File file = new File(url);
		try {
			MP3File f = (MP3File) AudioFileIO.read(file);
			MP3AudioHeader audioHeader = (MP3AudioHeader) f.getAudioHeader();
			// System.out.println(audioHeader.getTrackLength());
			return audioHeader.getTrackLength();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return 0;
	}

 
所需jar：jaudiotagger-1.0.jar

视频：

public static long getMp4Length(String url){
		File file = new File(url);
		Encoder encoder = new Encoder();
        try {
            MultimediaInfo multimediaInfo = encoder.getInfo(file);
 
            long ls = multimediaInfo.getDuration();
            return ls/1000;
        } catch (Exception e) {
            e.printStackTrace();
        }
		return 0;
	} 

 
所需jar：jave-1.0.2.jar