音樂格式轉換：java程式碼實現

package util;

import ws.schild.jave.*;
import java.io.File;

/*
音樂格式轉換
 <dependency>
    <groupId>ws.schild</groupId>
    <artifactId>jave-core</artifactId>
    <version>2.4.4</version>
</dependency>
<dependency>-->
    <groupId>ws.schild</groupId>-->
    <artifactId>jave-native-win64</artifactId>-->
    <version>2.4.4</version>-->
</dependency>-->
 */
public class musicFactoryChange {
    // 將文basicDir資料夾下的檔案都轉為dstFormat格式
    public static void audioFormatConversion(String basicDir,String dstFormat){
        AudioAttributes audio = new AudioAttributes();
        if(dstFormat.equals("wav")) {
            audio.setCodec("pcm_s16le");
        }else if(dstFormat.equals("mp3")) {
            audio.setCodec("libmp3lame");
        }else if(dstFormat.equals("amr")){
            audio.setCodec("libvo_amrwbenc");
        }
        audio.setBitRate(16000);
        audio.setChannels(1);
        audio.setSamplingRate(16000);
        //Encoding attributes
        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setFormat(dstFormat);
        attrs.setAudioAttributes(audio);

        File dir = new File(basicDir);
        String[] files= dir.list();
        // 將輸出都儲存在basicDir\\output\\下
        if(files != null){
            File dstDir = new File(basicDir+"output");
            dstDir.mkdir();
        }

        int cnt = 0;
        for(String fileName:files){
            // 跳過資料夾，只處理檔案
            if(new File(basicDir+fileName).isDirectory()){
                continue;
            }
            // 擷取"xxx.amr"小數點前的所有字串
            String[] substrs = fileName.split("\\.");
            String substr = substrs[0];

            // 定義輸入的檔案和輸出的檔案
            File sourceFile = new File(basicDir+fileName);
            File targetFile = new File(basicDir+"output\\"+substr+"."+dstFormat);

            // 編碼格式轉換
            try {
                Encoder encoder = new Encoder();
                encoder.encode(new MultimediaObject(sourceFile), targetFile, attrs);
            }catch (Exception e){
                System.out.println("err,fileName: "+sourceFile);
                e.printStackTrace();
            }
            System.out.println("suc,sourceFile: "+sourceFile);
            System.out.println("suc, : "+ ++cnt);
        }
    }

    public static void main(String[] args){
        audioFormatConversion("F:\\afile\\","mp3");
    }

}