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  • WAV音频文件获取时长工具类

    package com.weizui.demo.util;
    
    import javax.sound.sampled.AudioInputStream;
    import javax.sound.sampled.AudioSystem;
    import javax.sound.sampled.Clip;
    import java.io.File;
    import java.net.URL;
    
    /**
     * Function:
     *
     * @author zhengyou
     * Created on 2018/2/7 11:55
     * @since JDK 1.7
     **/
    
    public class AudioUtil {
    
        /**
         * 获取音频文件时长
         *
         * @param wavFilePath wav文件路径,支持本地和网络HTTP路径
         * @return 时长/微秒,可 /1000000D 得到秒
         * @throws Exception
         */
        public static long getMicrosecondLengthForWav(String wavFilePath) throws Exception {
    
            if (wavFilePath == null || wavFilePath.length() == 0) {
                return 0;
            }
            String bath = wavFilePath.split(":")[0];
            Clip clip = AudioSystem.getClip();
            AudioInputStream ais;
            if ("http".equals(bath.toLowerCase())||"https".equals(bath.toLowerCase())) {
                ais = AudioSystem.getAudioInputStream(new URL(wavFilePath));
            } else {
                ais = AudioSystem.getAudioInputStream(new File(wavFilePath));
            }
            clip.open(ais);
            return clip.getMicrosecondLength();
        }
    
    
        public static void main(String[] args) throws Exception {
            String wavUrl = "http://data.huiyi8.com/2017/gha/08/19/1969.wav";
            long microsecondLengthForWav = getMicrosecondLengthForWav(wavUrl);
            System.out.println(microsecondLengthForWav);
        }
    }
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  • 原文地址:https://www.cnblogs.com/VweiweiyixiaoV/p/8425972.html
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