1 package util;
2
3 import ws.schild.jave.*;
4 import java.io.File;
5
6 /*
7 音乐格式转换
8 <dependency>
9 <groupId>ws.schild</groupId>
10 <artifactId>jave-core</artifactId>
11 <version>2.4.4</version>
12 </dependency>
13 <dependency>-->
14 <groupId>ws.schild</groupId>-->
15 <artifactId>jave-native-win64</artifactId>-->
16 <version>2.4.4</version>-->
17 </dependency>-->
18 */
19 public class musicFactoryChange {
20 // 将文basicDir文件夹下的文件都转为dstFormat格式
21 public static void audioFormatConversion(String basicDir,String dstFormat){
22 AudioAttributes audio = new AudioAttributes();
23 if(dstFormat.equals("wav")) {
24 audio.setCodec("pcm_s16le");
25 }else if(dstFormat.equals("mp3")) {
26 audio.setCodec("libmp3lame");
27 }else if(dstFormat.equals("amr")){
28 audio.setCodec("libvo_amrwbenc");
29 }
30 audio.setBitRate(16000);
31 audio.setChannels(1);
32 audio.setSamplingRate(16000);
33 //Encoding attributes
34 EncodingAttributes attrs = new EncodingAttributes();
35 attrs.setFormat(dstFormat);
36 attrs.setAudioAttributes(audio);
37
38 File dir = new File(basicDir);
39 String[] files= dir.list();
40 // 将输出都保存在basicDir\\output\\下
41 if(files != null){
42 File dstDir = new File(basicDir+"output");
43 dstDir.mkdir();
44 }
45
46 int cnt = 0;
47 for(String fileName:files){
48 // 跳过文件夹，只处理文件
49 if(new File(basicDir+fileName).isDirectory()){
50 continue;
51 }
52 // 截取"xxx.amr"小数点前的所有字符串
53 String[] substrs = fileName.split("\\.");
54 String substr = substrs[0];
55
56 // 定义输入的文件和输出的文件
57 File sourceFile = new File(basicDir+fileName);
58 File targetFile = new File(basicDir+"output\\"+substr+"."+dstFormat);
59
60 // 编码格式转换
61 try {
62 Encoder encoder = new Encoder();
63 encoder.encode(new MultimediaObject(sourceFile), targetFile, attrs);
64 }catch (Exception e){
65 System.out.println("err,fileName: "+sourceFile);
66 e.printStackTrace();
67 }
68 System.out.println("suc,sourceFile: "+sourceFile);
69 System.out.println("suc, : "+ ++cnt);
70 }
71 }
72
73 public static void main(String[] args){
74 audioFormatConversion("F:\\afile\\","mp3");
75 }
76
77 }
