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新模块-测试准确率-雏形完工
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音乐库导入了200首
1000首音乐素材准备完毕
测试准确率模块 还有一些bug 整体跑通了
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@999Yy999
999Yy999 committed May 2, 2020
1 parent c548f0c commit 9f89917
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Showing 13 changed files with 423 additions and 28 deletions.
21 changes: 19 additions & 2 deletions NewAudioR/src/main/java/com/audio/controller/AudioController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,23 @@ public String searchpage(){
return "searchpage";
}

//跳转到新界面
@RequestMapping(value="/test", method=RequestMethod.GET)
public String testpage(){
return "test";
}

//测试
@RequestMapping(value="/test", method=RequestMethod.POST)
public String test(String time, int fre, int sample, Model model){
//完成搜索功能
//List<HashMap<String, Object>> audios=audioService.search(filename);
double[] zql=audioService.test(time, fre, sample);
//model.addAttribute("audios", audios);
System.out.println("time:"+time+",fre:"+fre+",sample:"+sample);
return "result";
}


//显示音乐列表
@RequestMapping(value="/listmusic", method=RequestMethod.GET)
Expand All @@ -74,7 +91,7 @@ public String insert(String filedir, Model model){
@RequestMapping(value="/search", method=RequestMethod.POST)
public String search(String filename, Model model){
//完成搜索功能
List<HashMap<String, Object>> audios=audioService.search(filename);
List<HashMap<String, Object>> audios=audioService.search(filename,null);
model.addAttribute("audios", audios);

return "result";
Expand All @@ -84,7 +101,7 @@ public String search(String filename, Model model){
@RequestMapping(value="/search", method=RequestMethod.GET)
public String searchr(String filename, Model model){
//完成搜索功能
List<HashMap<String, Object>> audios=audioService.search(filename);
List<HashMap<String, Object>> audios=audioService.search(filename,null);
model.addAttribute("audios", audios);

return "result";
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6 changes: 5 additions & 1 deletion NewAudioR/src/main/java/com/audio/service/AudioService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -12,10 +12,14 @@ public interface AudioService {

public List<HashMap<String,Object>> insert(String filedir);

public List<HashMap<String, Object>> search(String filename);
public List<HashMap<String, Object>> search(String filename, float[] data1);

public List<HashMap<String, Object>> listAll();

public void startrecord();

public double[] test(String time, int fre, int sample);

//List<HashMap<String, Object>> search(String filename, float[] data1);

}
193 changes: 190 additions & 3 deletions NewAudioR/src/main/java/com/audio/service/impl/AudioServiceImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,14 @@
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

Expand All @@ -33,6 +35,7 @@
import com.audio.entity.Music;
import com.audio.mapper.AudioMapper;
import com.audio.service.AudioService;
import com.audio.util.ClipAudioFile;
import com.audio.util.FileHandle;
import com.audio.util.Hash;
import com.audio.util.ReadAudioFile;
Expand All @@ -54,14 +57,18 @@ public class AudioServiceImpl implements AudioService{
List<HashMap.Entry<Long, Integer>> infoIds;
long maxId = -1;
int maxCount = -1;
Music music=new Music();
//D:\Z_毕设\Others Project\Audio-Fingerprinting-master\songs\泡沫\泡沫4s.wav

@Override
public List<HashMap<String,Object>> search(String filename) {
public List<HashMap<String,Object>> search(String filename, float[] data1) {
File file=new File(filename);
float data[];

ReadAudioFile readFile = new ReadAudioFile();
try {
float data[]=readFile.readFile(file);
if (data1!=null){data=data1;}
else data=readFile.readFile(file);
Fingerprint fp=new Fingerprint(data, fs);
setHashTime(fp);
} catch (Exception e) {
Expand Down Expand Up @@ -251,8 +258,188 @@ public List<HashMap<String, Object>> listAll() {
return audios;
}

@Override
/*@Override
public void startrecord(){
???what??
}*/

@Override
public double[] test(String time, int fre, int sample) {
// TODO Auto-generated method stub
int success1=0, success2=0, failure1=0, failure2=0; //记录器
String path="D:\\Z_毕设\\音频素材\\wav";
File file = new File(path);
File[] files = file.listFiles(); //目录里的文件
double[] zql = null; //两个准确率
String filename = null; //选中的样本文件名
// 准备sample个样本
Random random=new Random();
for (int i=0; i<sample; i++) {
//随机选择一个音频文件
int id=random.nextInt(sample); //[0,9]
if (files!=null&&files.length > 0) {
filename=files[id].getName(); //我等你到三十五岁}}我等你到三十五岁}}晃儿.wav
}
System.out.println("filename:"+filename);
//分隔符提取歌曲属性
getTabs(filename);
filename=path+"\\"+filename;
//随机确定截取音频时长
int mode = 0;
int n1 = 0,n2 = 0; //[n1,n2]随机数
int durtime;
switch (time){
case "mode1": mode=1; break;
case "mode2": mode=2; break;
case "mode3": mode=3; break;
}
if (mode==1){n1=1; n2=4;}
if (mode==2){n1=4; n2=10;}
if (mode==3){n1=10; n2=20;}
//durtime=random.nextInt() * (n2-n1)+n1;
durtime=random.nextInt(n2-n1)+n1;
System.out.println("----------durtime:"+durtime);
//随机确定截取位置
int pos=random.nextInt(5)+1; //[1,5]
//开始截取+叠加 返回处理好的数据data
float data[]=cut2short(filename, durtime, pos, fre);
//search测试混合信号
List<HashMap<String, Object>> audios=search(filename,data);
// 测试结果与源文件(名称+歌手+专辑)对比
int flag=0; //判断是否在top1
for (int k = 0; k < audios.size(); k++) {
int j=0;
//long idmusicinfo = 0;
String title = null,artist=null,album=null;
int samerate,maxrate=0;
Map<String, Object> map = audios.get(i);
Iterator iterator = map.keySet().iterator();
while (iterator.hasNext()) {
String string = (String) iterator.next();
System.out.println("string:"+string);
if (j==1){
artist=map.get(string).toString();
}
if (j==2){
album=map.get(string).toString();
}
if (j==5){
title=map.get(string).toString();
System.out.println("title:"+title);
}
if (j==4){
samerate=Integer.parseInt((String) map.get(string));
System.out.println("samerate:"+samerate);
//找出相似度最大的
if (samerate>maxrate){
maxrate=samerate;
}
}
j++;
}
if (music.getTitle()==title && music.getArtist()==artist && music.getAlbum() == album){
/*if (Integer.parseInt(music.getInfodir())==maxrate){
success1++;
flag=1;
}*/
/*if (flag==0){
failure1++;
}*/
success2++;
}
}

}


// 6.计数
// 7.计算准确率
zql[0]=success1/sample;
zql[1]=success2/sample;

return zql;
}

// 2.模拟生成fre频率的白噪声
// 3.叠加成混合信号
//将sample个样本按mode要求剪辑，存入文件，返回文件名称
float[] cut2short(String filename, int durtime, int pos, int fre){
float[] data=null;
ClipAudioFile clipfile=new ClipAudioFile();
try {
//截取+叠加
System.out.println("--------filename:"+filename+",durtime:"+durtime+",pos:"+pos+",fre:"+fre+"----------");
data=clipfile.clipFile(filename, durtime, pos, fre);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

return data;
}
/*
//获得不重复的[0-n)的随机数
//获取随机数，效率很高的一种方法
public static int[] getRandomNumber(int n){
int[] x = new int[n];
for(int i = 0; i < n; i++)
{
x[i] = i;
}
Random r = new Random();
for(int i = 0; i < n; i++)
{
int in = r.nextInt(n - i) + i;
int t = x[in];
x[in] = x[i];
x[i] = t;
}
System.out.println(Arrays.toString(x));
return x;
}
//获得随机数的文件
//获取随机文件顺序
private static String[] getRandomFile(String path, int[] x) {
int k=0,j=0;
String[] randomfile = new String[x.length];
try {
File file = new File(path);
File[] files = file.listFiles();
for (int rnum : x) {
if (files!=null&&files.length > 0) {
randomfile[j++]=files[rnum].getName();
} else {
return null;
}
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
return randomfile;
}
*/

private void getTabs(String filename){
String[] strings = filename.split("}}");
if(strings.length < 3){
music.setTitle(filename);
music.setAlbum("");
music.setArtist("");
return;
}
music.setTitle(strings[0]);
music.setAlbum(strings[1]);
//remove .wav
int len = strings[2].length();
music.setArtist(strings[2].substring(0,len - 4));
}

@Override
public void startrecord() {
// TODO Auto-generated method stub

}
}
Expand Down
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