我正在努力创建一个功能导入按钮,我的意思是我点击按钮,弹出文件浏览器,我可以点击一首歌然后玩家可以播放它。就像任何其他音乐播放器一样。这是我的代码到目前为止的基本视图,不包括类:
import ddf.minim.spi.*;
import ddf.minim.*;
import ddf.minim.signals.*;
import ddf.minim.analysis.*;
import ddf.minim.effects.*;
import ddf.minim.ugens.*;
boolean play;
boolean repeat;
int k;
String filename;//
Minim minim;
AudioPlayer player;
Pics p;
Mechs m;
Importbt b;
ArrayList<Songs> s;
int i=0;
void setup() {
size(600, 400);
b=new Importbt();
m=new Mechs();
p=new Pics();
p.Thepics();
minim=new Minim(this);
s = new ArrayList();
s.add(new Songs(player, "SONG 1", "SONG 1"));
s.add(new Songs(player, "SONG 2", "SONG 2"));
s.add(new Songs(player, "SONG 3", "SONG 3"));
s.add(new Songs(player, "SONG 4", "SONG 4"));
k = s.size()-1;
}
void draw() {
background(0);
p.getFunction();
}
void fileSelected(File selection) {
if (selection == null) {
}
else {
filename = selection.getAbsolutePath();
player = minim.loadFile(filename);//loads the file
// s.add(k, new Songs(player, filename, "a song"));
//s.get(k).playmusic();
s.add(new Songs(player, filename, "ftyu"));
s.get(k).waveform();//function from my songs class
player.play();//plays the file
至于我的班级,如果需要的话
class Songs {
AudioPlayer song;
String directory;
String songName;
Songs(AudioPlayer song, String directory, String songName) {
song=minim.loadFile(directory);
this.song=song;
this.songName=songName;
}
void waveform() {
for (int j = 1; j < song.bufferSize() - 1; j++)
{
if (j>0) {
line(j, 214 + song.left.get(j)*50, j+1, 214 + song.left.get(j+1)*50);
//waves from the left.
stroke( 255, 0, 0 ); //this is the colour of the first line (red)
line(j, 214 + song.right.get(j)*50, j+1, 214 + song.right.get(j+1)*50);
//waves from the right.
stroke(255, 255, 0);
}
}
答案 0 :(得分:1)
这里有一些东西可以帮助你:
import ddf.minim.spi.*;
import ddf.minim.signals.*;
import ddf.minim.*;
import ddf.minim.analysis.*;
import ddf.minim.ugens.*;
import ddf.minim.effects.*;
float buttonX;
float buttonY;
float buttonW;
float buttonH;
Minim minim;
AudioPlayer player;
String filename;
void setup() {
textSize(24);
frame.setResizable(false);
background(255);
size(600, 200);
fill(0);
stroke(0);
noFill();
buttonW = 200;
buttonH = 50;
buttonX = width - width/2 - buttonW/2;
buttonY = height/2 - buttonH/2;
// Minim stuff
minim = new Minim(this);
}
void draw() {
background(255);
fill(0);
rectMode(CORNER);
rect(buttonX, buttonY, buttonW, buttonH);
fill(255);
textAlign(LEFT);
text("Import File", buttonX+35, buttonY+30);
}
void mouseClicked() {
if (mouseX>buttonX && mouseX < buttonX+buttonW && mouseY > buttonY && mouseY < buttonY+buttonH) {
selectInput("Import music file", "fileSelected");
}
}
/* Taken from Processing.org */
void fileSelected(File selection) {
if (selection == null) {
println("Window was closed or user hit cancel");
} else {
filename = selection.getAbsolutePath();
player = minim.loadFile(filename);
player.play();
println("User selected " + filename);
}
}
// stop minim and the player.
void stop() {
player.close();
minim.stop();
super.stop();
}
这是一个非常简单的例子。所有这一切都是为Minim
和AudioPlayer
创建对象,然后使用文件选择机制将文件的路径和名称提供给loadFile(filename)
。然后,如果该文件是合法的音频文件(我只测试了.wav
文件),那么它将播放它。完成后,播放器停止。
请记住,这不会执行任何错误检查或其他任何操作,例如,如果您选择.jpeg
文件,它将抛出异常。你应该玩这些东西试试看你如何简化你的播放器。
你应该尝试和理解的一件事是,这一切都非常简单。文件名只是String
,并没有什么极其复杂的。
您可以在此处找到Minim
的教程:http://artandtech.aalto.fi/wp-content/uploads/2012/06/minim.pdf
更新:正弦波与选定的歌曲一起使用
我已经更新了我在这里提供的代码,用于处理你已经发生的wave事件。我添加了boolean
,当选择文件时,true
变为import ddf.minim.spi.*;
import ddf.minim.signals.*;
import ddf.minim.*;
import ddf.minim.analysis.*;
import ddf.minim.ugens.*;
import ddf.minim.effects.*;
float buttonX;
float buttonY;
float buttonW;
float buttonH;
Minim minim;
AudioPlayer player;
ArrayList<Songs> s;
int k;
String filename;
boolean isSelected = false;
void setup() {
s = new ArrayList();
textSize(24);
frame.setResizable(false);
background(255);
size(600, 600);
fill(0);
stroke(0);
noFill();
buttonW = 200;
buttonH = 50;
buttonX = width - width/2 - buttonW/2;
buttonY = height/2 - buttonH/2;
// Minim stuff
minim = new Minim(this);
}
void draw() {
background(255);
fill(0);
rectMode(CORNER);
rect(buttonX, buttonY, buttonW, buttonH);
fill(255);
textAlign(LEFT);
text("Import File", buttonX+35, buttonY+30);
if (isSelected) {
s.get(k).waveform();
}
}
void mouseClicked() {
if (mouseX>buttonX && mouseX < buttonX+buttonW && mouseY > buttonY && mouseY < buttonY+buttonH) {
selectInput("Import music file", "fileSelected");
}
}
/* Taken from Processing.org */
void fileSelected(File selection) {
if (selection == null) {
println("Window was closed or user hit cancel");
}
else {
filename = selection.getAbsolutePath();
s.add(new Songs(player, filename, "Filename"));
isSelected = true;
}
}
// stop minim and the player.
void stop() {
player.close();
minim.stop();
super.stop();
}
class Songs {
AudioPlayer song;
String directory;
String songName;
Songs(AudioPlayer song, String directory, String songName) {
song=minim.loadFile(directory);
this.song=song;
this.songName=songName;
song.play();
}
void waveform() {
for (int j = 1; j < song.bufferSize() - 1; j++)
{
if (j>0) {
line(j, 214 + song.left.get(j)*50, j+1, 214 + song.left.get(j+1)*50);
//waves from the left.
stroke( 255, 0, 0 ); //this is the colour of the first line (red)
line(j, 214 + song.right.get(j)*50, j+1, 214 + song.right.get(j+1)*50);
//waves from the right.
stroke(255, 255, 0);
}
}
}
}
。现在,您必须调整此代码才能使用多个文件。这只是一个例子。
更新2:执行与您的歌曲类合作的代码
waveform()
你看到闪烁的红色然后没有设置代码的原因是因为它读取for
方法并快速通过draw()
循环然后继续其余的操作就像播放这首歌一样。像我一样把它放在{{1}}中可以帮助你避免这种情况。