Saturday 9 July 2011

Release 1.0.2

Changes

Simple UI to encode/decode mp3 files.

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Friday 8 July 2011

Java Code Examples

package test;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.jma.DataType;
import org.jma.encoder.IEncoder;
import org.jma.encoder.audio.IAudioEncoder;

import test.TestClass;

import com.sswf.rtmp.Consumer;

public class CaptureAudio implements Runnable {

 
private ByteArrayOutputStream outputStream;
 
private boolean running;
 
private TestClass line;
 
private IAudioEncoder audioEncoder;
 
private Consumer consumer;

 
public CaptureAudio(ByteArrayOutputStream outputStream,  TestClass line, IEncoder encoder) {
   
this.outputStream = outputStream;
   
this.line = line;
   
this.audioEncoder = encoder.getAudioEncoder();
 
}

 
public CaptureAudio(Consumer consumer, TestClass line) {
   
this.consumer = consumer;
   
this.line = line;
   
this.audioEncoder = consumer.getEncoder().getAudioEncoder();
 
}
 
 
public CaptureAudio(ByteArrayOutputStream outputStream, Consumer consumer, TestClass line) {
   
this.outputStream = outputStream;
   
this.consumer = consumer;
   
this.line = line;
   
this.audioEncoder = consumer.getEncoder().getAudioEncoder();
 
}

 
public void run() {
   
running = true;
   
int bufferSize = audioEncoder.getInputBufferSize();
   
byte buffer[] = new byte[bufferSize];
   
byte[] encoded = new byte[audioEncoder.getOutputBufferSize()];

   
try {
     
while (running) {
       
int count = line.read(buffer, 0, buffer.length);

       
if (count > 0) {

         
int encodedCount = audioEncoder.encodeBuffer(buffer, 0,  count, encoded);
           
//encoded mp3 bytes
         
         
if (outputStream != null)
           
//outputStream.write(buffer, 0, count);
           
outputStream.write(encoded, 0, encodedCount);
         
if (consumer != null)
           
consumer.putData(DataType.AUDIO, System.currentTimeMillis(), encoded, encodedCount);
       
}
      }
     
int encodedCount = audioEncoder.encodeFinish(encoded);
     
if (outputStream != null)
       
outputStream.write(encoded, 0, encodedCount);
     
if (consumer != null)
       
consumer.putData(DataType.AUDIO, System.currentTimeMillis(), encoded,
            encodedCount
);
      audioEncoder.close
();
      outputStream.close
();
   
} catch (IOException e) {
     
e.printStackTrace();
   
}
  }
 
 
public synchronized void setRunning(boolean running){
   
this.running = running;
 
}

}

Release 1.0.1

Pure Java MP3 Encoder. Ideal solution for a built-in MP3 encoder library.
Supported source formats:

- WAVE_FORMAT_PCM
- WAVE_FORMAT_IEEE_FLOAT 32bit per sample only

For more detailed information about the source encoding please review Wav Format Spec


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