Delete unused code.

webrtc/voice_engine/test/android/android_test/src/org/webrtc/voiceengine/test/AndroidTest.java

Index: webrtc/voice_engine/test/android/android_test/src/org/webrtc/voiceengine/test/AndroidTest.java
diff --git a/webrtc/voice_engine/test/android/android_test/src/org/webrtc/voiceengine/test/AndroidTest.java b/webrtc/voice_engine/test/android/android_test/src/org/webrtc/voiceengine/test/AndroidTest.java
deleted file mode 100644
index 71b22b0d6d18b7e488b159087b8d34f764ac6c13..0000000000000000000000000000000000000000
--- a/webrtc/voice_engine/test/android/android_test/src/org/webrtc/voiceengine/test/AndroidTest.java
+++ /dev/null
@@ -1,1190 +0,0 @@
-/*
- * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license that can be found
- * in the LICENSE file in the root of the source tree. An additional
- * intellectual property rights grant can be found in the file PATENTS. All
- * contributing project authors may be found in the AUTHORS file in the root of
- * the source tree.
- */
-
-/*
- * VoiceEngine Android test application. It starts either auto test or acts like
- * a GUI test.
- */
-
-package org.webrtc.voiceengine.test;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.FileReader;
-import java.io.IOException;
-
-import android.app.Activity;
-import android.content.Context;
-import android.media.AudioFormat;
-import android.media.AudioManager;
-import android.media.AudioRecord;
-import android.media.AudioTrack;
-import android.media.MediaRecorder;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.View;
-import android.widget.AdapterView;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-public class AndroidTest extends Activity {
-    private byte[] _playBuffer = null;
-    private short[] _circBuffer = new short[8000]; // can hold 50 frames
-
-    private int _recIndex = 0;
-    private int _playIndex = 0;
-    // private int _streamVolume = 4;
-    private int _maxVolume = 0; // Android max level (commonly 5)
-    // VoE level (0-255), corresponds to level 4 out of 5
-    private int _volumeLevel = 204;
-
-    private Thread _playThread;
-    private Thread _recThread;
-    private Thread _autotestThread;
-
-    private static AudioTrack _at;
-    private static AudioRecord _ar;
-
-    private File _fr = null;
-    private FileInputStream _in = null;
-
-    private boolean _isRunningPlay = false;
-    private boolean _isRunningRec = false;
-    private boolean _settingSet = true;
-    private boolean _isCallActive = false;
-    private boolean _runAutotest = false; // ENABLE AUTOTEST HERE!
-
-    private int _channel = -1;
-    private int _codecIndex = 0;
-    private int _ecIndex = 0;
-    private int _nsIndex = 0;
-    private int _agcIndex = 0;
-    private int _vadIndex = 0;
-    private int _audioIndex = 3;
-    private int _settingMenu = 0;
-    private int _receivePort = 1234;
-    private int _destinationPort = 1234;
-    private String _destinationIP = "127.0.0.1";
-
-    // "Build" settings
-    private final boolean _playFromFile = false;
-    // Set to true to send data to native code and back
-    private final boolean _runThroughNativeLayer = true;
-    private final boolean enableSend = true;
-    private final boolean enableReceive = true;
-    private final boolean useNativeThread = false;
-
-    /** Called when the activity is first created. */
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.main);
-
-        TextView tv = (TextView) findViewById(R.id.TextView01);
-        tv.setText("");
-
-        final EditText ed = (EditText) findViewById(R.id.EditText01);
-        ed.setWidth(200);
-        ed.setText(_destinationIP);
-
-        final Button buttonStart = (Button) findViewById(R.id.Button01);
-        buttonStart.setWidth(200);
-        if (_runAutotest) {
-            buttonStart.setText("Run test");
-        } else {
-            buttonStart.setText("Start Call");
-        }
-        // button.layout(50, 50, 100, 40);
-        buttonStart.setOnClickListener(new View.OnClickListener() {
-            public void onClick(View v) {
-
-                if (_runAutotest) {
-                    startAutoTest();
-                } else {
-                    if (_isCallActive) {
-
-                        if (stopCall() != -1) {
-                            _isCallActive = false;
-                            buttonStart.setText("Start Call");
-                        }
-                    } else {
-
-                        _destinationIP = ed.getText().toString();
-                        if (startCall() != -1) {
-                            _isCallActive = true;
-                            buttonStart.setText("Stop Call");
-                        }
-                    }
-                }
-
-                // displayTextFromFile();
-                // recordAudioToFile();
-                // if(!_playFromFile)
-                // {
-                // recAudioInThread();
-                // }
-                // playAudioInThread();
-            }
-        });
-
-        final Button buttonStop = (Button) findViewById(R.id.Button02);
-        buttonStop.setWidth(200);
-        buttonStop.setText("Close app");
-        buttonStop.setOnClickListener(new View.OnClickListener() {
-            public void onClick(View v) {
-
-                if (!_runAutotest) {
-                    ShutdownVoE();
-                }
-
-                // This call terminates and should close the activity
-                finish();
-
-                // playAudioFromFile();
-                // if(!_playFromFile)
-                // {
-                // stopRecAudio();
-                // }
-                // stopPlayAudio();
-            }
-        });
-
-
-        String ap1[] = {"EC off", "AECM"};
-        final ArrayAdapter<String> adapterAp1 = new ArrayAdapter<String>(
-                        this,
-                        android.R.layout.simple_spinner_dropdown_item,
-                        ap1);
-        String ap2[] =
-                        {"NS off", "NS low", "NS moderate", "NS high",
-                                        "NS very high"};
-        final ArrayAdapter<String> adapterAp2 = new ArrayAdapter<String>(
-                        this,
-                        android.R.layout.simple_spinner_dropdown_item,
-                        ap2);
-        String ap3[] = {"AGC off", "AGC adaptive", "AGC fixed"};
-        final ArrayAdapter<String> adapterAp3 = new ArrayAdapter<String>(
-                        this,
-                        android.R.layout.simple_spinner_dropdown_item,
-                        ap3);
-        String ap4[] =
-                        {"VAD off", "VAD conventional", "VAD high rate",
-                                        "VAD mid rate", "VAD low rate"};
-        final ArrayAdapter<String> adapterAp4 = new ArrayAdapter<String>(
-                        this,
-                        android.R.layout.simple_spinner_dropdown_item,
-                        ap4);
-        String codecs[] = {"iSAC", "PCMU", "PCMA", "iLBC"};
-        final ArrayAdapter<String> adapterCodecs = new ArrayAdapter<String>(
-                        this,
-                        android.R.layout.simple_spinner_dropdown_item,
-                        codecs);
-
-        final Spinner spinnerSettings1 = (Spinner) findViewById(R.id.Spinner01);
-        final Spinner spinnerSettings2 = (Spinner) findViewById(R.id.Spinner02);
-        spinnerSettings1.setMinimumWidth(200);
-        String settings[] =
-                        {"Codec", "Echo Control", "Noise Suppression",
-                         "Automatic Gain Control",
-                         "Voice Activity Detection"};
-        ArrayAdapter<String> adapterSettings1 = new ArrayAdapter<String>(
-                        this,
-                        android.R.layout.simple_spinner_dropdown_item,
-                        settings);
-        spinnerSettings1.setAdapter(adapterSettings1);
-        spinnerSettings1.setOnItemSelectedListener(
-                        new AdapterView.OnItemSelectedListener() {
-            public void onItemSelected(AdapterView adapterView, View view,
-                            int position, long id) {
-
-                _settingMenu = position;
-                _settingSet = false;
-                if (position == 0) {
-                    spinnerSettings2.setAdapter(adapterCodecs);
-                    spinnerSettings2.setSelection(_codecIndex);
-                }
-                if (position == 1) {
-                    spinnerSettings2.setAdapter(adapterAp1);
-                    spinnerSettings2.setSelection(_ecIndex);
-                }
-                if (position == 2) {
-                    spinnerSettings2.setAdapter(adapterAp2);
-                    spinnerSettings2.setSelection(_nsIndex);
-                }
-                if (position == 3) {
-                    spinnerSettings2.setAdapter(adapterAp3);
-                    spinnerSettings2.setSelection(_agcIndex);
-                }
-                if (position == 4) {
-                    spinnerSettings2.setAdapter(adapterAp4);
-                    spinnerSettings2.setSelection(_vadIndex);
-                }
-            }
-
-            public void onNothingSelected(AdapterView adapterView) {
-                WebrtcLog("No setting1 selected");
-            }
-        });
-
-        spinnerSettings2.setMinimumWidth(200);
-        ArrayAdapter<String> adapterSettings2 = new ArrayAdapter<String>(
-                        this,
-                        android.R.layout.simple_spinner_dropdown_item,
-                        codecs);
-        spinnerSettings2.setAdapter(adapterSettings2);
-        spinnerSettings2.setOnItemSelectedListener(
-                        new AdapterView.OnItemSelectedListener() {
-            public void onItemSelected(AdapterView adapterView, View view,
-                            int position, long id) {
-
-                // avoid unintentional setting
-                if (_settingSet == false) {
-                    _settingSet = true;
-                    return;
-                }
-
-                // Change volume
-                if (_settingMenu == 0) {
-                    WebrtcLog("Selected audio " + position);
-                    setAudioProperties(position);
-                    spinnerSettings2.setSelection(_audioIndex);
-                }
-
-                // Change codec
-                if (_settingMenu == 1) {
-                    _codecIndex = position;
-                    WebrtcLog("Selected codec " + position);
-                    if (0 != SetSendCodec(_channel, _codecIndex)) {
-                        WebrtcLog("VoE set send codec failed");
-                    }
-                }
-
-                // Change EC
-                if (_settingMenu == 2) {
-                    boolean enable = true;
-                    int ECmode = 5; // AECM
-                    int AESmode = 0;
-
-                    _ecIndex = position;
-                    WebrtcLog("Selected EC " + position);
-
-                    if (position == 0) {
-                        enable = false;
-                    }
-                    if (position > 1) {
-                        ECmode = 4; // AES
-                        AESmode = position - 1;
-                    }
-
-                    if (0 != SetECStatus(enable, ECmode)) {
-                        WebrtcLog("VoE set EC status failed");
-                    }
-                }
-
-                // Change NS
-                if (_settingMenu == 3) {
-                    boolean enable = true;
-
-                    _nsIndex = position;
-                    WebrtcLog("Selected NS " + position);
-
-                    if (position == 0) {
-                        enable = false;
-                    }
-                    if (0 != SetNSStatus(enable, position + 2)) {
-                        WebrtcLog("VoE set NS status failed");
-                    }
-                }
-
-                // Change AGC
-                if (_settingMenu == 4) {
-                    boolean enable = true;
-
-                    _agcIndex = position;
-                    WebrtcLog("Selected AGC " + position);
-
-                    if (position == 0) {
-                        enable = false;
-                        position = 1; // default
-                    }
-                    if (0 != SetAGCStatus(enable, position + 2)) {
-                        WebrtcLog("VoE set AGC status failed");
-                    }
-                }
-
-                // Change VAD
-                if (_settingMenu == 5) {
-                    boolean enable = true;
-
-                    _vadIndex = position;
-                    WebrtcLog("Selected VAD " + position);
-
-                    if (position == 0) {
-                        enable = false;
-                        position++;
-                    }
-                    if (0 != SetVADStatus(_channel, enable, position - 1)) {
-                        WebrtcLog("VoE set VAD status failed");
-                    }
-                }
-            }
-
-            public void onNothingSelected(AdapterView adapterView) {
-            }
-        });
-
-        // Setup VoiceEngine
-        if (!_runAutotest && !useNativeThread) SetupVoE();
-
-        // Suggest to use the voice call audio stream for hardware volume
-        // controls
-        setVolumeControlStream(AudioManager.STREAM_VOICE_CALL);
-
-        // Get max Android volume and adjust default volume to map exactly to an
-        // Android level
-        AudioManager am =
-                        (AudioManager) getSystemService(Context.AUDIO_SERVICE);
-        _maxVolume = am.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL);
-        if (_maxVolume <= 0) {
-            WebrtcLog("Could not get max volume!");
-        } else {
-            int androidVolumeLevel = (_volumeLevel * _maxVolume) / 255;
-            _volumeLevel = (androidVolumeLevel * 255) / _maxVolume;
-        }
-
-        WebrtcLog("Started Webrtc Android Test");
-    }
-
-    // Will be called when activity is shutdown.
-    // NOTE: Activity may be killed without this function being called,
-    // but then we should not need to clean up.
-    protected void onDestroy() {
-        super.onDestroy();
-        // ShutdownVoE();
-    }
-
-    private void SetupVoE() {
-        // Create VoiceEngine
-        Create(); // Error logging is done in native API wrapper
-
-        // Initialize
-        if (0 != Init(false, false)) {
-            WebrtcLog("VoE init failed");
-        }
-
-        // Create channel
-        _channel = CreateChannel();
-        if (0 != _channel) {
-            WebrtcLog("VoE create channel failed");
-        }
-
-    }
-
-    private void ShutdownVoE() {
-        // Delete channel
-        if (0 != DeleteChannel(_channel)) {
-            WebrtcLog("VoE delete channel failed");
-        }
-
-        // Terminate
-        if (0 != Terminate()) {
-            WebrtcLog("VoE terminate failed");
-        }
-
-        // Delete VoiceEngine
-        Delete(); // Error logging is done in native API wrapper
-    }
-
-    int startCall() {
-
-        if (useNativeThread == true) {
-
-            Create();
-            return 0;
-        }
-
-        if (enableReceive == true) {
-            // Set local receiver
-            if (0 != SetLocalReceiver(_channel, _receivePort)) {
-                WebrtcLog("VoE set local receiver failed");
-            }
-
-            if (0 != StartListen(_channel)) {
-                WebrtcLog("VoE start listen failed");
-                return -1;
-            }
-
-            // Route audio to earpiece
-            if (0 != SetLoudspeakerStatus(false)) {
-                WebrtcLog("VoE set louspeaker status failed");
-                return -1;
-            }
-
-            /*
-             * WebrtcLog("VoE start record now"); if (0 !=
-             * StartRecordingPlayout(_channel, "/sdcard/singleUserDemoOut.pcm",
-             * false)) { WebrtcLog("VoE Recording Playout failed"); }
-             * WebrtcLog("VoE start Recording Playout end");
-             */
-            // Start playout
-            if (0 != StartPlayout(_channel)) {
-                WebrtcLog("VoE start playout failed");
-                return -1;
-            }
-
-            // Start playout file
-            // if (0 != StartPlayingFileLocally(_channel,
-            // "/sdcard/singleUserDemo.pcm", true)) {
-            // WebrtcLog("VoE start playout file failed");
-            // return -1;
-            // }
-        }
-
-        if (enableSend == true) {
-            if (0 != SetSendDestination(_channel, _destinationPort,
-                            _destinationIP)) {
-                WebrtcLog("VoE set send  destination failed");
-                return -1;
-            }
-
-            if (0 != SetSendCodec(_channel, _codecIndex)) {
-                WebrtcLog("VoE set send codec failed");
-                return -1;
-            }
-
-            /*
-             * if (0 != StartPlayingFileAsMicrophone(_channel,
-             * "/sdcard/singleUserDemo.pcm", true)) {
-             * WebrtcLog("VoE start playing file as microphone failed"); }
-             */
-            if (0 != StartSend(_channel)) {
-                WebrtcLog("VoE start send failed");
-                return -1;
-            }
-
-            // if (0 != StartPlayingFileAsMicrophone(_channel,
-            // "/sdcard/singleUserDemo.pcm", true)) {
-            // WebrtcLog("VoE start playing file as microphone failed");
-            // return -1;
-            // }
-        }
-
-        return 0;
-    }
-
-    int stopCall() {
-
-        if (useNativeThread == true) {
-
-            Delete();
-            return 0;
-        }
-
-        if (enableSend == true) {
-            // Stop playing file as microphone
-            /*
-             * if (0 != StopPlayingFileAsMicrophone(_channel)) {
-             * WebrtcLog("VoE stop playing file as microphone failed"); return
-             * -1; }
-             */
-            // Stop send
-            if (0 != StopSend(_channel)) {
-                WebrtcLog("VoE stop send failed");
-                return -1;
-            }
-        }
-
-        if (enableReceive == true) {
-            // if (0 != StopRecordingPlayout(_channel)) {
-            // WebrtcLog("VoE stop Recording Playout failed");
-            // }
-            // WebrtcLog("VoE stop Recording Playout ended");
-
-            // Stop listen
-            if (0 != StopListen(_channel)) {
-                WebrtcLog("VoE stop listen failed");
-                return -1;
-            }
-
-            // Stop playout file
-            // if (0 != StopPlayingFileLocally(_channel)) {
-            // WebrtcLog("VoE stop playout file failed");
-            // return -1;
-            // }
-
-            // Stop playout
-            if (0 != StopPlayout(_channel)) {
-                WebrtcLog("VoE stop playout failed");
-                return -1;
-            }
-
-            // Route audio to loudspeaker
-            if (0 != SetLoudspeakerStatus(true)) {
-                WebrtcLog("VoE set louspeaker status failed");
-                return -1;
-            }
-        }
-
-        return 0;
-    }
-
-    int startAutoTest() {
-
-        _autotestThread = new Thread(_autotestProc);
-        _autotestThread.start();
-
-        return 0;
-    }
-
-    private Runnable _autotestProc = new Runnable() {
-        public void run() {
-            // TODO(xians): choose test from GUI
-            // 1 = standard, not used
-            // 2 = extended, 2 = base
-            RunAutoTest(1, 2);
-        }
-    };
-
-    int setAudioProperties(int val) {
-
-        // AudioManager am = (AudioManager)
-        // getSystemService(Context.AUDIO_SERVICE);
-
-        if (val == 0) {
-            // _streamVolume =
-            // am.getStreamVolume(AudioManager.STREAM_VOICE_CALL);
-            // am.setStreamVolume(AudioManager.STREAM_VOICE_CALL,
-            // (_streamVolume+1), 0);
-
-            int androidVolumeLevel = (_volumeLevel * _maxVolume) / 255;
-            if (androidVolumeLevel < _maxVolume) {
-                _volumeLevel = ((androidVolumeLevel + 1) * 255) / _maxVolume;
-                if (0 != SetSpeakerVolume(_volumeLevel)) {
-                    WebrtcLog("VoE set speaker volume failed");
-                }
-            }
-        } else if (val == 1) {
-            // _streamVolume =
-            // am.getStreamVolume(AudioManager.STREAM_VOICE_CALL);
-            // am.setStreamVolume(AudioManager.STREAM_VOICE_CALL,
-            // (_streamVolume-1), 0);
-
-            int androidVolumeLevel = (_volumeLevel * _maxVolume) / 255;
-            if (androidVolumeLevel > 0) {
-                _volumeLevel = ((androidVolumeLevel - 1) * 255) / _maxVolume;
-                if (0 != SetSpeakerVolume(_volumeLevel)) {
-                    WebrtcLog("VoE set speaker volume failed");
-                }
-            }
-        } else if (val == 2) {
-            // route audio to back speaker
-            if (0 != SetLoudspeakerStatus(true)) {
-                WebrtcLog("VoE set loudspeaker status failed");
-            }
-            _audioIndex = 2;
-        } else if (val == 3) {
-            // route audio to earpiece
-            if (0 != SetLoudspeakerStatus(false)) {
-                WebrtcLog("VoE set loudspeaker status failed");
-            }
-            _audioIndex = 3;
-        }
-
-        return 0;
-    }
-
-    int displayTextFromFile() {
-
-        TextView tv = (TextView) findViewById(R.id.TextView01);
-        FileReader fr = null;
-        char[] fileBuffer = new char[64];
-
-        try {
-            fr = new FileReader("/sdcard/test.txt");
-        } catch (FileNotFoundException e) {
-            e.printStackTrace();
-            tv.setText("File not found!");
-        }
-
-        try {
-            fr.read(fileBuffer);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-
-        String readString = new String(fileBuffer);
-        tv.setText(readString);
-        // setContentView(tv);
-
-        return 0;
-    }
-
-    int recordAudioToFile() {
-        File fr = null;
-        // final to be reachable within onPeriodicNotification
-        byte[] recBuffer = new byte[320];
-
-        int recBufSize =
-                        AudioRecord.getMinBufferSize(16000,
-                                        AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                                        AudioFormat.ENCODING_PCM_16BIT);
-        AudioRecord rec =
-                        new AudioRecord(MediaRecorder.AudioSource.MIC, 16000,
-                                        AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                                        AudioFormat.ENCODING_PCM_16BIT,
-                                        recBufSize);
-
-        fr = new File("/sdcard/record.pcm");
-        FileOutputStream out = null;
-        try {
-            out = new FileOutputStream(fr);
-        } catch (FileNotFoundException e1) {
-            e1.printStackTrace();
-        }
-
-        // start recording
-        try {
-            rec.startRecording();
-        } catch (IllegalStateException e) {
-            e.printStackTrace();
-        }
-
-        for (int i = 0; i < 550; i++) {
-            // note, there is a short version of write as well!
-            int wrBytes = rec.read(recBuffer, 0, 320);
-
-            try {
-                out.write(recBuffer);
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-
-        // stop playout
-        try {
-            rec.stop();
-        } catch (IllegalStateException e) {
-            e.printStackTrace();
-        }
-
-        return 0;
-    }
-
-    int playAudioFromFile() {
-
-        File fr = null;
-        // final to be reachable within onPeriodicNotification
-        // final byte[] playBuffer = new byte [320000];
-        // final to be reachable within onPeriodicNotification
-        final byte[] playBuffer = new byte[320];
-
-        final int playBufSize =
-                        AudioTrack.getMinBufferSize(16000,
-                                        AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                                        AudioFormat.ENCODING_PCM_16BIT);
-        // final int playBufSize = 1920; // 100 ms buffer
-        // byte[] playBuffer = new byte [playBufSize];
-        final AudioTrack play =
-                        new AudioTrack(AudioManager.STREAM_VOICE_CALL, 16000,
-                                        AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                                        AudioFormat.ENCODING_PCM_16BIT,
-                                        playBufSize, AudioTrack.MODE_STREAM);
-
-        // implementation of the playpos callback functions
-        play.setPlaybackPositionUpdateListener(
-                        new AudioTrack.OnPlaybackPositionUpdateListener() {
-
-            int count = 0;
-
-            public void onPeriodicNotification(AudioTrack track) {
-                // int wrBytes = play.write(playBuffer, count, 320);
-                count += 320;
-            }
-
-            public void onMarkerReached(AudioTrack track) {
-
-            }
-        });
-
-        // set the notification period = 160 samples
-        // int ret = play.setPositionNotificationPeriod(160);
-
-        fr = new File("/sdcard/record.pcm");
-        FileInputStream in = null;
-        try {
-            in = new FileInputStream(fr);
-        } catch (FileNotFoundException e1) {
-            e1.printStackTrace();
-        }
-
-        // try {
-        // in.read(playBuffer);
-        // } catch (IOException e) {
-        // e.printStackTrace();
-        // }
-
-        // play all at once
-        // int wrBytes = play.write(playBuffer, 0, 320000);
-
-
-        // start playout
-        try {
-            play.play();
-        } catch (IllegalStateException e) {
-            e.printStackTrace();
-        }
-
-        // returns the number of samples that has been written
-        // int headPos = play.getPlaybackHeadPosition();
-
-        // play with multiple writes
-        for (int i = 0; i < 500; i++) {
-            try {
-                in.read(playBuffer);
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-
-
-            // note, there is a short version of write as well!
-            int wrBytes = play.write(playBuffer, 0, 320);
-
-            Log.d("testWrite", "wrote");
-        }
-
-        // stop playout
-        try {
-            play.stop();
-        } catch (IllegalStateException e) {
-            e.printStackTrace();
-        }
-
-        return 0;
-    }
-
-    int playAudioInThread() {
-
-        if (_isRunningPlay) {
-            return 0;
-        }
-
-        // File fr = null;
-        // final byte[] playBuffer = new byte[320];
-        if (_playFromFile) {
-            _playBuffer = new byte[320];
-        } else {
-            // reset index
-            _playIndex = 0;
-        }
-        // within
-        // onPeriodicNotification
-
-        // Log some info (static)
-        WebrtcLog("Creating AudioTrack object");
-        final int minPlayBufSize =
-                        AudioTrack.getMinBufferSize(16000,
-                                        AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                                        AudioFormat.ENCODING_PCM_16BIT);
-        WebrtcLog("Min play buf size = " + minPlayBufSize);
-        WebrtcLog("Min volume = " + AudioTrack.getMinVolume());
-        WebrtcLog("Max volume = " + AudioTrack.getMaxVolume());
-        WebrtcLog("Native sample rate = "
-                        + AudioTrack.getNativeOutputSampleRate(
-                                        AudioManager.STREAM_VOICE_CALL));
-
-        final int playBufSize = minPlayBufSize; // 3200; // 100 ms buffer
-        // byte[] playBuffer = new byte [playBufSize];
-        try {
-            _at = new AudioTrack(
-                            AudioManager.STREAM_VOICE_CALL,
-                            16000,
-                            AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                            AudioFormat.ENCODING_PCM_16BIT,
-                            playBufSize, AudioTrack.MODE_STREAM);
-        } catch (Exception e) {
-            WebrtcLog(e.getMessage());
-        }
-
-        // Log some info (non-static)
-        WebrtcLog("Notification marker pos = "
-                        + _at.getNotificationMarkerPosition());
-        WebrtcLog("Play head pos = " + _at.getPlaybackHeadPosition());
-        WebrtcLog("Pos notification dt = "
-                        + _at.getPositionNotificationPeriod());
-        WebrtcLog("Playback rate = " + _at.getPlaybackRate());
-        WebrtcLog("Sample rate = " + _at.getSampleRate());
-
-        // implementation of the playpos callback functions
-        // _at.setPlaybackPositionUpdateListener(
-        // new AudioTrack.OnPlaybackPositionUpdateListener() {
-        //
-        // int count = 3200;
-        //
-        // public void onPeriodicNotification(AudioTrack track) {
-        // // int wrBytes = play.write(playBuffer, count, 320);
-        // count += 320;
-        // }
-        //
-        // public void onMarkerReached(AudioTrack track) {
-        // }
-        // });
-
-        // set the notification period = 160 samples
-        // int ret = _at.setPositionNotificationPeriod(160);
-
-        if (_playFromFile) {
-            _fr = new File("/sdcard/singleUserDemo.pcm");
-            try {
-                _in = new FileInputStream(_fr);
-            } catch (FileNotFoundException e1) {
-                e1.printStackTrace();
-            }
-        }
-
-        // try {
-        // in.read(playBuffer);
-        // } catch (IOException e) {
-        // e.printStackTrace();
-        // }
-
-        _isRunningPlay = true;
-
-        // buffer = new byte[3200];
-        _playThread = new Thread(_playProc);
-        // ar.startRecording();
-        // bytesRead = 3200;
-        // recording = true;
-        _playThread.start();
-
-        return 0;
-    }
-
-    int stopPlayAudio() {
-        if (!_isRunningPlay) {
-            return 0;
-        }
-
-        _isRunningPlay = false;
-
-        return 0;
-    }
-
-    private Runnable _playProc = new Runnable() {
-        public void run() {
-
-            // set high thread priority
-            android.os.Process.setThreadPriority(
-                            android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
-
-            // play all at once
-            // int wrBytes = play.write(playBuffer, 0, 320000);
-
-            // fill the buffer
-            // play.write(playBuffer, 0, 3200);
-
-            // play.flush();
-
-            // start playout
-            try {
-                _at.play();
-            } catch (IllegalStateException e) {
-                e.printStackTrace();
-            }
-
-            // play with multiple writes
-            int i = 0;
-            for (; i < 3000 && _isRunningPlay; i++) {
-
-                if (_playFromFile) {
-                    try {
-                        _in.read(_playBuffer);
-                    } catch (IOException e) {
-                        e.printStackTrace();
-                    }
-
-                    int wrBytes = _at.write(_playBuffer, 0 /* i * 320 */, 320);
-                } else {
-                    int wrSamples =
-                                    _at.write(_circBuffer, _playIndex * 160,
-                                                    160);
-
-                    // WebrtcLog("Played 10 ms from buffer, _playIndex = " +
-                    // _playIndex);
-                    // WebrtcLog("Diff = " + (_recIndex - _playIndex));
-
-                    if (_playIndex == 49) {
-                        _playIndex = 0;
-                    } else {
-                        _playIndex += 1;
-                    }
-                }
-
-                // WebrtcLog("Wrote 10 ms to buffer, head = "
-                // + _at.getPlaybackHeadPosition());
-            }
-
-            // stop playout
-            try {
-                _at.stop();
-            } catch (IllegalStateException e) {
-                e.printStackTrace();
-            }
-
-            // returns the number of samples that has been written
-            WebrtcLog("Test stopped, i = " + i + ", head = "
-                            + _at.getPlaybackHeadPosition());
-            int headPos = _at.getPlaybackHeadPosition();
-
-            // flush the buffers
-            _at.flush();
-
-            // release the object
-            _at.release();
-            _at = null;
-
-            // try {
-            // Thread.sleep() must be within a try - catch block
-            // Thread.sleep(3000);
-            // }catch (Exception e){
-            // System.out.println(e.getMessage());
-            // }
-
-            _isRunningPlay = false;
-
-        }
-    };
-
-    int recAudioInThread() {
-
-        if (_isRunningRec) {
-            return 0;
-        }
-
-        // within
-        // onPeriodicNotification
-
-        // reset index
-        _recIndex = 20;
-
-        // Log some info (static)
-        WebrtcLog("Creating AudioRecord object");
-        final int minRecBufSize = AudioRecord.getMinBufferSize(16000,
-                        AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                        AudioFormat.ENCODING_PCM_16BIT);
-        WebrtcLog("Min rec buf size = " + minRecBufSize);
-        // WebrtcLog("Min volume = " + AudioTrack.getMinVolume());
-        // WebrtcLog("Max volume = " + AudioTrack.getMaxVolume());
-        // WebrtcLog("Native sample rate = "
-        // + AudioRecord
-        // .getNativeInputSampleRate(AudioManager.STREAM_VOICE_CALL));
-
-        final int recBufSize = minRecBufSize; // 3200; // 100 ms buffer
-        try {
-            _ar = new AudioRecord(
-                            MediaRecorder.AudioSource.MIC,
-                            16000,
-                            AudioFormat.CHANNEL_CONFIGURATION_MONO,
-                            AudioFormat.ENCODING_PCM_16BIT,
-                            recBufSize);
-        } catch (Exception e) {
-            WebrtcLog(e.getMessage());
-        }
-
-        // Log some info (non-static)
-        WebrtcLog("Notification marker pos = "
-                        + _ar.getNotificationMarkerPosition());
-        // WebrtcLog("Play head pos = " + _ar.getRecordHeadPosition());
-        WebrtcLog("Pos notification dt rec= "
-                        + _ar.getPositionNotificationPeriod());
-        // WebrtcLog("Playback rate = " + _ar.getRecordRate());
-        // WebrtcLog("Playback rate = " + _ar.getPlaybackRate());
-        WebrtcLog("Sample rate = " + _ar.getSampleRate());
-        // WebrtcLog("Playback rate = " + _ar.getPlaybackRate());
-        // WebrtcLog("Playback rate = " + _ar.getPlaybackRate());
-
-        _isRunningRec = true;
-
-        _recThread = new Thread(_recProc);
-
-        _recThread.start();
-
-        return 0;
-    }
-
-    int stopRecAudio() {
-        if (!_isRunningRec) {
-            return 0;
-        }
-
-        _isRunningRec = false;
-
-        return 0;
-    }
-
-    private Runnable _recProc = new Runnable() {
-        public void run() {
-
-            // set high thread priority
-            android.os.Process.setThreadPriority(
-                            android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
-
-            // start recording
-            try {
-                _ar.startRecording();
-            } catch (IllegalStateException e) {
-                e.printStackTrace();
-            }
-
-            // keep recording to circular buffer
-            // for a while
-            int i = 0;
-            int rdSamples = 0;
-            short[] tempBuffer = new short[160]; // Only used for native case
-
-            for (; i < 3000 && _isRunningRec; i++) {
-                if (_runThroughNativeLayer) {
-                    rdSamples = _ar.read(tempBuffer, 0, 160);
-                    // audioLoop(tempBuffer, 160); // Insert into native layer
-                } else {
-                    rdSamples = _ar.read(_circBuffer, _recIndex * 160, 160);
-
-                    // WebrtcLog("Recorded 10 ms to buffer, _recIndex = " +
-                    // _recIndex);
-                    // WebrtcLog("rdSamples = " + rdSamples);
-
-                    if (_recIndex == 49) {
-                        _recIndex = 0;
-                    } else {
-                        _recIndex += 1;
-                    }
-                }
-            }
-
-            // stop recording
-            try {
-                _ar.stop();
-            } catch (IllegalStateException e) {
-                e.printStackTrace();
-            }
-
-            // release the object
-            _ar.release();
-            _ar = null;
-
-            // try {
-            // Thread.sleep() must be within a try - catch block
-            // Thread.sleep(3000);
-            // }catch (Exception e){
-            // System.out.println(e.getMessage());
-            // }
-
-            _isRunningRec = false;
-
-            // returns the number of samples that has been written
-            // WebrtcLog("Test stopped, i = " + i + ", head = "
-            // + _at.getPlaybackHeadPosition());
-            // int headPos = _at.getPlaybackHeadPosition();
-        }
-    };
-
-    private void WebrtcLog(String msg) {
-        Log.d("*Webrtc*", msg);
-    }
-
-    // //////////////// Native function prototypes ////////////////////
-
-    private native static boolean NativeInit();
-
-    private native int RunAutoTest(int testType, int extendedSel);
-
-    private native boolean Create();
-
-    private native boolean Delete();
-
-    private native int Init(boolean enableTrace, boolean useExtTrans);
-
-    private native int Terminate();
-
-    private native int CreateChannel();
-
-    private native int DeleteChannel(int channel);
-
-    private native int SetLocalReceiver(int channel, int port);
-
-    private native int SetSendDestination(int channel, int port,
-                    String ipaddr);
-
-    private native int StartListen(int channel);
-
-    private native int StartPlayout(int channel);
-
-    private native int StartSend(int channel);
-
-    private native int StopListen(int channel);
-
-    private native int StopPlayout(int channel);
-
-    private native int StopSend(int channel);
-
-    private native int StartPlayingFileLocally(int channel, String fileName,
-                    boolean loop);
-
-    private native int StopPlayingFileLocally(int channel);
-
-    private native int StartRecordingPlayout(int channel, String fileName,
-                    boolean loop);
-
-    private native int StopRecordingPlayout(int channel);
-
-    private native int StartPlayingFileAsMicrophone(int channel,
-                    String fileName, boolean loop);
-
-    private native int StopPlayingFileAsMicrophone(int channel);
-
-    private native int NumOfCodecs();
-
-    private native int SetSendCodec(int channel, int index);
-
-    private native int SetVADStatus(int channel, boolean enable, int mode);
-
-    private native int SetNSStatus(boolean enable, int mode);
-
-    private native int SetAGCStatus(boolean enable, int mode);
-
-    private native int SetECStatus(boolean enable, int mode);
-
-    private native int SetSpeakerVolume(int volume);
-
-    private native int SetLoudspeakerStatus(boolean enable);
-
-    /*
-     * this is used to load the 'webrtc-voice-demo-jni'
-     * library on application startup.
-     * The library has already been unpacked into
-     * /data/data/webrtc.android.AndroidTest/lib/libwebrtc-voice-demo-jni.so
-     * at installation time by the package manager.
-     */
-    static {
-        Log.d("*Webrtc*", "Loading webrtc-voice-demo-jni...");
-        System.loadLibrary("webrtc-voice-demo-jni");
-
-        Log.d("*Webrtc*", "Calling native init...");
-        if (!NativeInit()) {
-            Log.e("*Webrtc*", "Native init failed");
-            throw new RuntimeException("Native init failed");
-        } else {
-            Log.d("*Webrtc*", "Native init successful");
-        }
-    }
-}