视频会议软件代码(WebRTC技术，音频和视频效果很好)

/* * Copyright (c) 2012 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. */ package org.webrtc.videoengineapp; import android.app.AlertDialog; import android.app.TabActivity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.ActivityInfo; import android.content.res.Configuration; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PixelFormat; import android.hardware.SensorManager; import android.media.AudioManager; import android.media.MediaPlayer; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.PowerManager; import android.os.PowerManager.WakeLock; import android.util.Log; import android.view.Display; import android.view.Gravity; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.OrientationEventListener; import android.view.Surface; import android.view.SurfaceView; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.RadioGroup; import android.widget.Spinner; import android.widget.TabHost; import android.widget.TabHost.TabSpec; import android.widget.TextView; import org.webrtc.videoengine.ViERenderer; import java.io.File; import java.io.IOException; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration; /** {@} */ public class WebRTCDemo extends TabActivity implements IViEAndroidCallback, View.OnClickListener, OnItemSelectedListener { private ViEAndroidJavaAPI vieAndroidAPI = null; // remote renderer private SurfaceView remoteSurfaceView = null; // local renderer and camera private SurfaceView svLocal = null; // channel number private int channel = -1; private int cameraId; private int voiceChannel = -1; // flags private boolean viERunning = false; private boolean voERunning = false; // debug private boolean enableTrace = true; // Constant private static final String TAG = "WEBRTC"; private static final int RECEIVE_CODEC_FRAMERATE = 15; private static final int SEND_CODEC_FRAMERATE = 15; private static final int INIT_BITRATE = 500; private static final String LOOPBACK_IP = "127.0.0.1"; // Zero means don't automatically start/stop calls. private static final long AUTO_CALL_RESTART_DELAY_MS = 0; private Handler handler = new Handler(); private Runnable startOrStopCallback = new Runnable() { public void run() { startOrStop(); } }; private int volumeLevel = 204; private TabHost mTabHost = null; private TabSpec mTabSpecConfig; private TabSpec mTabSpecVideo; private LinearLayout mLlRemoteSurface = null; private LinearLayout mLlLocalSurface = null; private Button btStartStopCall; private Button btSwitchCamera; // Global Settings private CheckBox cbVideoSend; private boolean enableVideoSend = true; private CheckBox cbVideoReceive; private boolean enableVideoReceive = true; private boolean enableVideo = true; private CheckBox cbVoice; private boolean enableVoice = true; private EditText etRemoteIp; private String remoteIp = ""; private CheckBox cbLoopback; private boolean loopbackMode = true; private CheckBox cbStats; private boolean isStatsOn = true; public enum RenderType { OPENGL, SURFACE, MEDIACODEC } RenderType renderType = RenderType.OPENGL; // Video settings private Spinner spCodecType; private int codecType = 0; private Spinner spCodecSize; private int codecSizeWidth = 0; private int codecSizeHeight = 0; private TextView etVRxPort; private int receivePortVideo = 11111; private TextView etVTxPort; private int destinationPortVideo = 11111; private CheckBox cbEnableNack; private boolean enableNack = true; private CheckBox cbEnableVideoRTPDump; // Audio settings private Spinner spVoiceCodecType; private int voiceCodecType = 0; private TextView etARxPort; private int receivePortVoice = 11113; private TextView etATxPort; private int destinationPortVoice = 11113; private CheckBox cbEnableSpeaker; private CheckBox cbEnableAGC; private boolean enableAGC = false; private CheckBox cbEnableAECM; private boolean enableAECM = false; private CheckBox cbEnableNS; private boolean enableNS = false; private CheckBox cbEnableDebugAPM; private CheckBox cbEnableVoiceRTPDump; // Stats variables private int frameRateI; private int bitRateI; private int packetLoss; private int frameRateO; private int bitRateO; private int numCalls = 0; // Variable for storing variables private String webrtcName = "/webrtc"; private String webrtcDebugDir = null; private WakeLock wakeLock; private boolean usingFrontCamera = true; private String[] mVideoCodecsStrings = null; private String[] mVideoCodecsSizeStrings = { "176x144", "320x240", "352x288", "640x480" }; private String[] mVoiceCodecsStrings = null; private OrientationEventListener orientationListener; int currentOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; int currentCameraOrientation = 0; private StatsView statsView = null; private BroadcastReceiver receiver; public int getCameraOrientation(int cameraOrientation) { Display display = this.getWindowManager().getDefaultDisplay(); int displatyRotation = display.getRotation(); int degrees = 0; switch (displatyRotation) { case Surface.ROTATION_0: degrees = 0; break; case Surface.ROTATION_90: degrees = 90; break; case Surface.ROTATION_180: degrees = 180; break; case Surface.ROTATION_270: degrees = 270; break; } int result = 0; if (cameraOrientation > 180) { result = (cameraOrientation + degrees) % 360; } else { result = (cameraOrientation - degrees + 360) % 360; } return result; } public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); int newRotation = getCameraOrientation(currentCameraOrientation); if (viERunning) { vieAndroidAPI.SetRotation(cameraId, newRotation); } } // Called when the activity is first created. @Override public void onCreate(Bundle savedInstanceState) { Log.d(TAG, "onCreate"); super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); // Set screen orientation setRequestedOrientation (ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); PowerManager pm = (PowerManager) this.getSystemService( Context.POWER_SERV