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2021-09-13

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Elex
2021-09-13 13:14:24 +09:00
parent dfde55f05d
commit d28485c0c8
7 changed files with 255 additions and 3 deletions
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34
sound/src/main/java/kr/pe/elex/examples/Converter.java Normal file
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@@ -0,0 +1,34 @@
/*
* Examples for Java
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import lombok.extern.slf4j.Slf4j;
import javax.sound.sampled.*;
import java.io.File;
import java.io.IOException;
@Slf4j
public class Converter {
public static void main(String... args) throws UnsupportedAudioFileException, IOException {
File inFile = new File("test_out.wav");
File outFile = new File("test_out.au");
AudioInputStream inputStream = AudioSystem.getAudioInputStream(inFile);
AudioFormat outFormat = new AudioFormat(8000, 8, 1, true, false);
if (AudioSystem.isConversionSupported(outFormat, inputStream.getFormat()) &&
AudioSystem.isFileTypeSupported(AudioFileFormat.Type.AU, inputStream)) {
AudioInputStream lowResInputStream = AudioSystem
.getAudioInputStream(outFormat, inputStream);
AudioSystem.write(lowResInputStream, AudioFileFormat.Type.AU, outFile);
}
}
}

6
sound/src/main/java/kr/pe/elex/examples/Playback.java
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@@ -32,13 +32,13 @@ public class Playback {
line.open();
line.start();
line.addLineListener(event -> {
if (event.getType().equals(LineEvent.Type.OPEN)){
if (event.getType().equals(LineEvent.Type.OPEN)) {
} else if (event.getType().equals(LineEvent.Type.START)) {
}else if (event.getType().equals(LineEvent.Type.STOP)) {
} else if (event.getType().equals(LineEvent.Type.STOP)) {
}else if (event.getType().equals(LineEvent.Type.CLOSE)) {
} else if (event.getType().equals(LineEvent.Type.CLOSE)) {
}
});

63
sound/src/main/java/kr/pe/elex/examples/RecordAudio.java Normal file
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/*
* Examples for Java
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import lombok.extern.slf4j.Slf4j;
import javax.sound.sampled.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
@Slf4j
public class RecordAudio {
static boolean isRunning = true;
public static void main(String... args) throws LineUnavailableException, IOException, UnsupportedAudioFileException {
TargetDataLine line;
AudioFormat audioFormat = new AudioFormat(44100, 16, 2, true, true);
DataLine.Info info = new DataLine.Info(TargetDataLine.class, audioFormat);
if (AudioSystem.isLineSupported(info)) {
line = AudioSystem.getTargetDataLine(audioFormat);
log.debug("{}", line.getLineInfo());
line.open(audioFormat);
line.start();
ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor();
service.schedule(() -> isRunning = false, 5, TimeUnit.SECONDS);
ByteArrayOutputStream os = new ByteArrayOutputStream();
byte[] buffer = new byte[32];
while (isRunning) {
int numRead = line.read(buffer, 0, buffer.length);
os.write(buffer, 0, numRead);
log.debug("{}", line.getLevel());
}
log.debug("end of loop");
File file = new File("test_out.wav");
AudioInputStream is = new AudioInputStream(new ByteArrayInputStream(os.toByteArray()),
audioFormat, os.size()/2/2);
//AudioFileFormat fileFormat = AudioSystem.getAudioFileFormat(new File(""));
AudioSystem.write(is, AudioFileFormat.Type.WAVE, file);
os.close();
line.close();
service.shutdown();
}
}
}

79
sound/src/main/java/kr/pe/elex/examples/SignalProcessing.java Normal file
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/*
* Examples for Java
*
* Copyright (c) 2021. Elex. All Rights Reserved.
* https://www.elex-project.com/
*/
package kr.pe.elex.examples;
import com.elex_project.abraxas.Console;
import lombok.extern.slf4j.Slf4j;
import javax.sound.sampled.*;
import java.io.IOException;
import java.util.Objects;
@Slf4j
public class SignalProcessing {
public static void main(String... args)
throws UnsupportedAudioFileException, IOException, LineUnavailableException {
for (Mixer.Info mixerInfo : AudioSystem.getMixerInfo()) {
Mixer mixer = AudioSystem.getMixer(mixerInfo);
Console.writeLine("MIXER: {}", mixerInfo);
for (Control control : mixer.getControls()){
Console.writeLine("CONTROL: {}", control.toString());
}
for (Line.Info info : mixer.getSourceLineInfo()) {
Console.writeLine("SOURCE LINE: {}" , info);
Line line = mixer.getLine(info);
for (Control control : line.getControls()){
Console.writeLine("CONTROL: {}", control.toString());
}
}
for (Line.Info info : mixer.getTargetLineInfo()) {
Console.writeLine("TARGET LINE: {}" , info);
Line line = mixer.getLine(info);
for (Control control : line.getControls()){
Console.writeLine("CONTROL: {}", control.toString());
}
}
}
/*AudioInputStream inputStream = AudioSystem.getAudioInputStream(Objects.requireNonNull(ClassLoader.
getSystemResourceAsStream("alarm_gentle.wav")));
SourceDataLine src = AudioSystem.getSourceDataLine(inputStream.getFormat());
src.open();
src.start();
Mixer mixer = AudioSystem.getMixer(AudioSystem.getMixerInfo()[1]);
Console.writeLine(mixer.getLineInfo());
Port line = (Port) mixer.getLine(Port.Info.LINE_IN);
line.open();
for (Control ctrl : line.getControls()) {
Console.writeLine(ctrl);
}
FloatControl volumeCtrl = (FloatControl) mixer.getControl(FloatControl.Type.VOLUME);
volumeCtrl.setValue(0);
byte[] buffer = new byte[64];
int numRead = 0;
float dVol = 0.f;
while ((numRead = inputStream.read(buffer, 0, buffer.length)) > 0) {
log.debug("vol: {}", volumeCtrl.getValue());
src.write(buffer, 0, numRead);
if (volumeCtrl.getValue()<=volumeCtrl.getMinimum()) {
dVol = 0.01f;
} else if (volumeCtrl.getValue()>=volumeCtrl.getMaximum()){
dVol = -0.01f;
}
volumeCtrl.setValue(volumeCtrl.getValue()+dVol);
}
inputStream.close();
src.close();*/
}
}