Hi rahul,
Thank u for ur code. this code is very useful to me .
On Mon, Oct 15, 2012 at 2:54 PM, rahul B <tech.rah...@gmail.com> wrote:
> Here I am posting some sample which works fine with me..
>
>
> package com.audiotrack;
>
> import java.io.File;
> import java.io.FileInputStream;
> import java.io.IOException;
> import java.nio.BufferUnderflowException;
>
> import android.app.Activity;
> import android.media.AudioFormat;
> import android.media.AudioManager;
> import android.media.AudioTrack;
> import android.os.Bundle;
> import android.util.Log;
> import android.view.View;
> import android.view.View.OnClickListener;
> import android.widget.Button;
>
> public class AudioPlayBackActivity extends Activity {
>
> /** Called when the activity is first created. */
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
>
> Button play = (Button) findViewById(R.id.button1);
> play.setOnClickListener(new OnClickListener() {
>
> // @Override
> public void onClick(View v) {
>
> String filePath = "/sdcard/voice8K16bitmono_sir.pcm";
> if (filePath == null)
> return;
>
> // Reading the file..
> byte[] byteData = null;
> File file = null;
> file = new File(filePath);
> byteData = new byte[(int) file.length()];
> System.out.println("bytedata--" + byteData);
> FileInputStream in = null;
>
> try {
>
> in = new FileInputStream(file);
> in.read(byteData);
> System.out.println("READING CARD-- " + in + "--BYTE Data--"
> + byteData + byteData.length);
> in.close();
> } catch (IOException e) {
> e.printStackTrace();
> } catch (BufferUnderflowException e) {
> e.printStackTrace();
> }
>
> int dataSize = byteData.length / 2;
> short[] shorts = byte2short(byteData);
> int BufferElements2Play = 1024; // want to play 2048 (2K) since
> // 2 bytes we use only 1024
> int BytesPerElement = 2; // 2 bytes in 16bit format
>
> int intSize = android.media.AudioTrack.getMinBufferSize(8000,
> AudioFormat.CHANNEL_OUT_MONO,
> AudioFormat.ENCODING_PCM_16BIT);
>
> System.out.println("buffersize -- " + intSize);
> AudioTrack at = new AudioTrack(AudioManager.STREAM_VOICE_CALL,
> 8000, AudioFormat.CHANNEL_OUT_MONO,
> AudioFormat.ENCODING_PCM_16BIT, BufferElements2Play
> * BytesPerElement, AudioTrack.MODE_STREAM);
>
> if (at != null) {
>
> int shortLength = shorts.length;
> int shortLengthOffset2Play = 0;
>
> System.out.println("SHORTS Data" + shortLength);
> // Write the byte array to the track
> at.write(shorts, 0, BufferElements2Play);
> at.play();
>
> shortLengthOffset2Play += BufferElements2Play; // Wrote 512
> // ushorts
>
> while (shortLengthOffset2Play < shortLength) {
> try {
> Thread.sleep(50);
> } catch (InterruptedException e) {
>
> e.printStackTrace();
> }
> // Waiting, Simulating your condition of receiving data
> // from server...
> at.write(shorts, shortLengthOffset2Play,
> BufferElements2Play);
> // in your case it will 0, numberofShorts(2048)
> shortLengthOffset2Play += BufferElements2Play;
> System.out.println("shortlengthoffset --- "
> + shortLengthOffset2Play);
> // Wrote yet another 512 shorts
> }
> } else
> Log.d("Audio", "audio track is not initialised ");
> }
>
> private short[] byte2short(byte[] byteD) {
> int byteArrsize = byteD.length / 2;
> short[] shorts = new short[byteArrsize];
> for (int i = 0; i < byteArrsize; i++) {
> shorts[i] = (short) (byteD[i * 2] + (byteD[(i * 2) + 1] << 8));
> }
> return shorts;
> }
> });
> }
> }
>
> On Mon, Oct 15, 2012 at 12:36 PM, Asheesh Arya
> <asheesharya...@gmail.com>wrote:
>
>> please refer this link
>> http://www.benmccann.com/dev-blog/android-audio-recording-tutorial/
>>
>> --
>> You received this message because you are subscribed to the Google
>> Groups "Android Developers" group.
>> To post to this group, send email to android-developers@googlegroups.com
>> To unsubscribe from this group, send email to
>> android-developers+unsubscr...@googlegroups.com
>> For more options, visit this group at
>> http://groups.google.com/group/android-developers?hl=en
>>
>
> --
> You received this message because you are subscribed to the Google
> Groups "Android Developers" group.
> To post to this group, send email to android-developers@googlegroups.com
> To unsubscribe from this group, send email to
> android-developers+unsubscr...@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/android-developers?hl=en
>
--
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
