Hi,
R u know about how to send and receive the voice call in between android
mobile?. if u know about that please help me
On Tue, Oct 16, 2012 at 3:21 PM, rahul B <tech.rah...@gmail.com> wrote:
> Hi,
>
> My pleasure..
>
>
> On Tue, Oct 16, 2012 at 3:09 PM, Tamil Arasi <arasi...@gmail.com> wrote:
>
>> 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/
>>>>
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>>
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