serialexperiments0815/SlowedAndReverbed
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serialexperiments0815 2025-12-12 15:52:12 +01:00
parent 0abb6de81b
commit 4d7f78cea1
1 changed files with 68 additions and 5 deletions
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69
SlowedAndReverbed.java
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@ -1,30 +1,42 @@
import java.awt.BorderLayout;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
public class SlowedAndReverbed {
public static void main(String[] args){
private String filePath;
public void main(String[] args){
JFrame frame = new JFrame("SlowedAndReverbed");
JPanel panel = new JPanel();
JPanel panelMid = new JPanel();
JButton newButton = new JButton("Select file");
JButton saveButton = new JButton("Save file");
JSlider sliderSpeed = new JSlider(0, 200, 100);
JSlider sliderSpeed = new JSlider(50, 200, 100);
JSlider sliderReverb = new JSlider(0, 100, 0);
JLabel pathLabel = new JLabel("No file selected");
JLabel speedLabel = new JLabel("Speed: 100%");
JLabel reverbLabel = new JLabel("Reverb: 0%");
newButton.addActionListener(e -> {
String filePath = getFile(frame);
filePath = getFile(frame);
String pathLabelText = new java.io.File(filePath).getName(); //Object has no references after, garbage collector kills it.
pathLabel.setText(pathLabelText);
newButton.setText("Select new file");
});
saveButton.addActionListener(e -> {
try {
setFile(frame, filePath, getReverbValues(sliderReverb.getValue()), getSpeedValue(sliderSpeed.getValue()));
} catch (IOException | InterruptedException ex){
ex.printStackTrace();
}
});
sliderSpeed.addChangeListener(e -> {
String valueSpeed = String.valueOf(sliderSpeed.getValue());
speedLabel.setText("Speed: " + valueSpeed + "%");
@ -46,12 +58,14 @@ public class SlowedAndReverbed {
panel.add(newButton);
panel.add(saveButton);
panelMid.setLayout(new BoxLayout(panelMid, BoxLayout.Y_AXIS));
panelMid.add(pathLabel);
panelMid.add(sliderSpeed);
panelMid.add(speedLabel);
panelMid.add(sliderReverb);
panelMid.add(reverbLabel);
frame.add(panel, BorderLayout.NORTH);
frame.add(panelMid, BorderLayout.CENTER);
}
@ -68,6 +82,55 @@ public class SlowedAndReverbed {
}
public static double[] getReverbValues(int percentageValue){
int delay = 120;
double decay = 0.5, wet = percentageValue/100, dry = 1 - wet;
double[] reverbValues = {dry, wet, delay, decay};
return reverbValues;
}
public static double getSpeedValue(int percentageValue){
double speed = percentageValue/100.0;
return speed;
}
public static String getCodec(String inputPath){
String codec;
if (inputPath.endsWith(".wav")) codec = "pcm_s16le";
else if (inputPath.endsWith(".mp3")) codec = "libmp3lame";
else if (inputPath.endsWith(".m4a") || inputPath.endsWith(".aac")) codec = "aac";
else if (inputPath.endsWith(".flac")) codec = "flac";
else if (inputPath.endsWith(".ogg")) codec = "libvorbis";
else if (inputPath.endsWith(".opus")) codec = "libopus";
else if (inputPath.endsWith(".alac")) codec = "alac";
else if (inputPath.endsWith(".amr")) codec = "libopencore_amrnb";
else if (inputPath.endsWith(".wma")) codec = "wmav2";
else codec = "aac"; // fallback
return codec;
}
public static void setFile(JFrame frame, String filePath, double[] reverbValues, double speedValue) throws IOException, InterruptedException{
JFileChooser fileChooser = new JFileChooser();
fileChooser.setSelectedFile(new File("output.wav"));
FileFilter filter = new FileNameExtensionFilter("WAV files", "wav");
fileChooser.setFileFilter(filter);
fileChooser.showSaveDialog(frame);
File selectedChooser = fileChooser.getSelectedFile();
String pathSelected = selectedChooser.getAbsolutePath();
String filterCmd = "atempo=" + speedValue + ",aecho=" + reverbValues[0] + ":" + reverbValues[1] + ":" + reverbValues[2] + ":" + reverbValues[3];
String[] cmd = {"ffmpeg",
"-i", filePath,
"-filter:a", filterCmd,
"-c:a", getCodec(pathSelected),
pathSelected
};
System.out.println(Arrays.toString(cmd));
new ProcessBuilder(cmd).inheritIO().start().waitFor();
}
}