Here is my AudioRecorder class, using audio record, why is it not
producing any sound data?
import java.io.FileOutputStream;
import java.io.IOException;
import android.content.Context;
import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaRecorder;
public class AudioRecorder implements Runnable
{
public boolean isRecording = false;
byte[] tempBuffer = new byte[AudioRecord.getMinBufferSize(44100,
AudioFormat.CHANNEL_CONFIGURATION_STEREO,
AudioFormat.ENCODING_PCM_16BIT)];
byte[] saveBuffer = new byte[tempBuffer.length * 1000];
int saveBufferPos=0;
Context ctx;
String filePath;
/**
* Handler is passed to pass messages to main screen Recording is
done
*/
public AudioRecorder(Context ctx,String filePath)
{
super();
this.filePath = filePath;
this.ctx = ctx;
}
public void run()
{
AudioRecord recordInstance = null;
// We're important...
android.os.Process.setThreadPriority
(android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
recordInstance = new AudioRecord(MediaRecorder.AudioSource.MIC,
44100, AudioFormat.CHANNEL_CONFIGURATION_STEREO,
AudioFormat.ENCODING_PCM_16BIT,tempBuffer.length);
recordInstance.startRecording();
// Continue till STOP button is pressed.
this.isRecording = true;
long cms = System.currentTimeMillis();
while (System.currentTimeMillis() - cms < 5000) {
for (int i = 0; i < tempBuffer.length; i++) {
tempBuffer[i] = 0;
}
recordInstance.read(tempBuffer, 0, tempBuffer.length);
for (int i = saveBufferPos; i < tempBuffer.length; i++)
{
saveBuffer[i] = tempBuffer[i-saveBufferPos];
saveBufferPos++;
}
}
recordInstance.stop();
try {
FileOutputStream ofo = new FileOutputStream(filePath);
ofo.write(saveBuffer);
ofo.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
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