d7568a08c3
Also: - Make PeerConnectionObserver::OnRenegotiationNeeded() pure virtual to avoid this sort of mistake in the future. - Sprinkle @Override annotations on some callback definitions that were missing them. - Fix a JNI method-signature-lookup typo (s/(V)V/()V/) in PCOJava::OnError() - Add an explicit ScopedLocalFrameRef to PCOJava::OnError() to match all other C++-fired callbacks, for consistency. BUG=2771 R=wu@webrtc.org Review URL: https://webrtc-codereview.appspot.com/6829004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5376 4adac7df-926f-26a2-2b94-8c16560cd09d
600 lines
20 KiB
Java
600 lines
20 KiB
Java
/*
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* libjingle
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* Copyright 2013, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.appspot.apprtc;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.graphics.Point;
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import android.media.AudioManager;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.WindowManager;
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import android.webkit.JavascriptInterface;
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import android.widget.EditText;
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import android.widget.Toast;
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import org.json.JSONException;
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import org.json.JSONObject;
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import org.webrtc.DataChannel;
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import org.webrtc.IceCandidate;
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import org.webrtc.Logging;
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import org.webrtc.MediaConstraints;
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import org.webrtc.MediaStream;
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import org.webrtc.PeerConnection;
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import org.webrtc.PeerConnectionFactory;
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import org.webrtc.SdpObserver;
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import org.webrtc.SessionDescription;
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import org.webrtc.StatsObserver;
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import org.webrtc.StatsReport;
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import org.webrtc.VideoCapturer;
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import org.webrtc.VideoRenderer;
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import org.webrtc.VideoRenderer.I420Frame;
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import org.webrtc.VideoSource;
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import org.webrtc.VideoTrack;
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import java.util.EnumSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* Main Activity of the AppRTCDemo Android app demonstrating interoperability
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* between the Android/Java implementation of PeerConnection and the
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* apprtc.appspot.com demo webapp.
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*/
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public class AppRTCDemoActivity extends Activity
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implements AppRTCClient.IceServersObserver {
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private static final String TAG = "AppRTCDemoActivity";
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private PeerConnectionFactory factory;
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private VideoSource videoSource;
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private PeerConnection pc;
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private final PCObserver pcObserver = new PCObserver();
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private final SDPObserver sdpObserver = new SDPObserver();
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private final GAEChannelClient.MessageHandler gaeHandler = new GAEHandler();
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private AppRTCClient appRtcClient = new AppRTCClient(this, gaeHandler, this);
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private VideoStreamsView vsv;
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private Toast logToast;
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private LinkedList<IceCandidate> queuedRemoteCandidates =
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new LinkedList<IceCandidate>();
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// Synchronize on quit[0] to avoid teardown-related crashes.
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private final Boolean[] quit = new Boolean[] { false };
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private MediaConstraints sdpMediaConstraints;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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Thread.setDefaultUncaughtExceptionHandler(
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new UnhandledExceptionHandler(this));
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getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
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getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
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Point displaySize = new Point();
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getWindowManager().getDefaultDisplay().getSize(displaySize);
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vsv = new VideoStreamsView(this, displaySize);
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setContentView(vsv);
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abortUnless(PeerConnectionFactory.initializeAndroidGlobals(this),
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"Failed to initializeAndroidGlobals");
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AudioManager audioManager =
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((AudioManager) getSystemService(AUDIO_SERVICE));
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// TODO(fischman): figure out how to do this Right(tm) and remove the
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// suppression.
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@SuppressWarnings("deprecation")
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boolean isWiredHeadsetOn = audioManager.isWiredHeadsetOn();
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audioManager.setMode(isWiredHeadsetOn ?
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AudioManager.MODE_IN_CALL : AudioManager.MODE_IN_COMMUNICATION);
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audioManager.setSpeakerphoneOn(!isWiredHeadsetOn);
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sdpMediaConstraints = new MediaConstraints();
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sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
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"OfferToReceiveAudio", "true"));
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sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
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"OfferToReceiveVideo", "true"));
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final Intent intent = getIntent();
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if ("android.intent.action.VIEW".equals(intent.getAction())) {
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connectToRoom(intent.getData().toString());
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return;
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}
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showGetRoomUI();
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}
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private void showGetRoomUI() {
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final EditText roomInput = new EditText(this);
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roomInput.setText("https://apprtc.appspot.com/?r=");
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roomInput.setSelection(roomInput.getText().length());
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DialogInterface.OnClickListener listener =
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new DialogInterface.OnClickListener() {
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@Override public void onClick(DialogInterface dialog, int which) {
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abortUnless(which == DialogInterface.BUTTON_POSITIVE, "lolwat?");
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dialog.dismiss();
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connectToRoom(roomInput.getText().toString());
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}
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};
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder
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.setMessage("Enter room URL").setView(roomInput)
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.setPositiveButton("Go!", listener).show();
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}
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private void connectToRoom(String roomUrl) {
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logAndToast("Connecting to room...");
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appRtcClient.connectToRoom(roomUrl);
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}
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@Override
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public void onPause() {
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super.onPause();
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vsv.onPause();
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if (videoSource != null) {
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videoSource.stop();
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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vsv.onResume();
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if (videoSource != null) {
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videoSource.restart();
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}
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}
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// Just for fun (and to regression-test bug 2302) make sure that DataChannels
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// can be created, queried, and disposed.
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private static void createDataChannelToRegressionTestBug2302(
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PeerConnection pc) {
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DataChannel dc = pc.createDataChannel("dcLabel", new DataChannel.Init());
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abortUnless("dcLabel".equals(dc.label()), "WTF?");
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dc.close();
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dc.dispose();
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}
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@Override
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public void onIceServers(List<PeerConnection.IceServer> iceServers) {
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factory = new PeerConnectionFactory();
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MediaConstraints pcConstraints = appRtcClient.pcConstraints();
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pcConstraints.optional.add(
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new MediaConstraints.KeyValuePair("RtpDataChannels", "true"));
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pc = factory.createPeerConnection(iceServers, pcConstraints, pcObserver);
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createDataChannelToRegressionTestBug2302(pc); // See method comment.
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// Uncomment to get ALL WebRTC tracing and SENSITIVE libjingle logging.
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// NOTE: this _must_ happen while |factory| is alive!
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// Logging.enableTracing(
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// "logcat:",
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// EnumSet.of(Logging.TraceLevel.TRACE_ALL),
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// Logging.Severity.LS_SENSITIVE);
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{
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final PeerConnection finalPC = pc;
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final Runnable repeatedStatsLogger = new Runnable() {
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public void run() {
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synchronized (quit[0]) {
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if (quit[0]) {
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return;
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}
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final Runnable runnableThis = this;
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boolean success = finalPC.getStats(new StatsObserver() {
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public void onComplete(StatsReport[] reports) {
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for (StatsReport report : reports) {
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Log.d(TAG, "Stats: " + report.toString());
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}
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vsv.postDelayed(runnableThis, 10000);
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}
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}, null);
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if (!success) {
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throw new RuntimeException("getStats() return false!");
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}
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}
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}
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};
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vsv.postDelayed(repeatedStatsLogger, 10000);
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}
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{
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logAndToast("Creating local video source...");
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MediaStream lMS = factory.createLocalMediaStream("ARDAMS");
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if (appRtcClient.videoConstraints() != null) {
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VideoCapturer capturer = getVideoCapturer();
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videoSource = factory.createVideoSource(
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capturer, appRtcClient.videoConstraints());
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VideoTrack videoTrack =
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factory.createVideoTrack("ARDAMSv0", videoSource);
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videoTrack.addRenderer(new VideoRenderer(new VideoCallbacks(
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vsv, VideoStreamsView.Endpoint.LOCAL)));
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lMS.addTrack(videoTrack);
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}
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lMS.addTrack(factory.createAudioTrack("ARDAMSa0"));
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pc.addStream(lMS, new MediaConstraints());
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}
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logAndToast("Waiting for ICE candidates...");
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}
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// Cycle through likely device names for the camera and return the first
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// capturer that works, or crash if none do.
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private VideoCapturer getVideoCapturer() {
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String[] cameraFacing = { "front", "back" };
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int[] cameraIndex = { 0, 1 };
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int[] cameraOrientation = { 0, 90, 180, 270 };
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for (String facing : cameraFacing) {
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for (int index : cameraIndex) {
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for (int orientation : cameraOrientation) {
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String name = "Camera " + index + ", Facing " + facing +
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", Orientation " + orientation;
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VideoCapturer capturer = VideoCapturer.create(name);
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if (capturer != null) {
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logAndToast("Using camera: " + name);
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return capturer;
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}
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}
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}
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}
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throw new RuntimeException("Failed to open capturer");
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}
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@Override
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protected void onDestroy() {
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disconnectAndExit();
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super.onDestroy();
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}
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// Poor-man's assert(): die with |msg| unless |condition| is true.
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private static void abortUnless(boolean condition, String msg) {
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if (!condition) {
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throw new RuntimeException(msg);
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}
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}
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// Log |msg| and Toast about it.
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private void logAndToast(String msg) {
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Log.d(TAG, msg);
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if (logToast != null) {
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logToast.cancel();
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}
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logToast = Toast.makeText(this, msg, Toast.LENGTH_SHORT);
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logToast.show();
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}
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// Send |json| to the underlying AppEngine Channel.
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private void sendMessage(JSONObject json) {
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appRtcClient.sendMessage(json.toString());
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}
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// Put a |key|->|value| mapping in |json|.
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private static void jsonPut(JSONObject json, String key, Object value) {
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try {
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json.put(key, value);
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} catch (JSONException e) {
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throw new RuntimeException(e);
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}
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}
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// Mangle SDP to prefer ISAC/16000 over any other audio codec.
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private String preferISAC(String sdpDescription) {
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String[] lines = sdpDescription.split("\n");
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int mLineIndex = -1;
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String isac16kRtpMap = null;
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Pattern isac16kPattern =
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Pattern.compile("^a=rtpmap:(\\d+) ISAC/16000[\r]?$");
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for (int i = 0;
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(i < lines.length) && (mLineIndex == -1 || isac16kRtpMap == null);
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++i) {
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if (lines[i].startsWith("m=audio ")) {
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mLineIndex = i;
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continue;
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}
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Matcher isac16kMatcher = isac16kPattern.matcher(lines[i]);
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if (isac16kMatcher.matches()) {
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isac16kRtpMap = isac16kMatcher.group(1);
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continue;
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}
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}
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if (mLineIndex == -1) {
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Log.d(TAG, "No m=audio line, so can't prefer iSAC");
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return sdpDescription;
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}
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if (isac16kRtpMap == null) {
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Log.d(TAG, "No ISAC/16000 line, so can't prefer iSAC");
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return sdpDescription;
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}
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String[] origMLineParts = lines[mLineIndex].split(" ");
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StringBuilder newMLine = new StringBuilder();
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int origPartIndex = 0;
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// Format is: m=<media> <port> <proto> <fmt> ...
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newMLine.append(origMLineParts[origPartIndex++]).append(" ");
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newMLine.append(origMLineParts[origPartIndex++]).append(" ");
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newMLine.append(origMLineParts[origPartIndex++]).append(" ");
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newMLine.append(isac16kRtpMap).append(" ");
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for (; origPartIndex < origMLineParts.length; ++origPartIndex) {
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if (!origMLineParts[origPartIndex].equals(isac16kRtpMap)) {
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newMLine.append(origMLineParts[origPartIndex]).append(" ");
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}
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}
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lines[mLineIndex] = newMLine.toString();
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StringBuilder newSdpDescription = new StringBuilder();
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for (String line : lines) {
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newSdpDescription.append(line).append("\n");
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}
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return newSdpDescription.toString();
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}
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// Implementation detail: observe ICE & stream changes and react accordingly.
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private class PCObserver implements PeerConnection.Observer {
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@Override public void onIceCandidate(final IceCandidate candidate){
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runOnUiThread(new Runnable() {
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public void run() {
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JSONObject json = new JSONObject();
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jsonPut(json, "type", "candidate");
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jsonPut(json, "label", candidate.sdpMLineIndex);
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jsonPut(json, "id", candidate.sdpMid);
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jsonPut(json, "candidate", candidate.sdp);
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sendMessage(json);
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}
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});
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}
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@Override public void onError(){
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runOnUiThread(new Runnable() {
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public void run() {
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throw new RuntimeException("PeerConnection error!");
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}
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});
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}
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@Override public void onSignalingChange(
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PeerConnection.SignalingState newState) {
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}
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@Override public void onIceConnectionChange(
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PeerConnection.IceConnectionState newState) {
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}
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@Override public void onIceGatheringChange(
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PeerConnection.IceGatheringState newState) {
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}
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@Override public void onAddStream(final MediaStream stream){
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runOnUiThread(new Runnable() {
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public void run() {
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abortUnless(stream.audioTracks.size() <= 1 &&
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stream.videoTracks.size() <= 1,
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"Weird-looking stream: " + stream);
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if (stream.videoTracks.size() == 1) {
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stream.videoTracks.get(0).addRenderer(new VideoRenderer(
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new VideoCallbacks(vsv, VideoStreamsView.Endpoint.REMOTE)));
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}
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}
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});
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}
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@Override public void onRemoveStream(final MediaStream stream){
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runOnUiThread(new Runnable() {
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public void run() {
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stream.videoTracks.get(0).dispose();
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}
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});
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}
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@Override public void onDataChannel(final DataChannel dc) {
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runOnUiThread(new Runnable() {
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public void run() {
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throw new RuntimeException(
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"AppRTC doesn't use data channels, but got: " + dc.label() +
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" anyway!");
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}
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});
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}
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@Override public void onRenegotiationNeeded() {
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// No need to do anything; AppRTC follows a pre-agreed-upon
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// signaling/negotiation protocol.
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}
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}
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// Implementation detail: handle offer creation/signaling and answer setting,
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// as well as adding remote ICE candidates once the answer SDP is set.
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private class SDPObserver implements SdpObserver {
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@Override public void onCreateSuccess(final SessionDescription origSdp) {
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runOnUiThread(new Runnable() {
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public void run() {
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logAndToast("Sending " + origSdp.type);
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SessionDescription sdp = new SessionDescription(
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origSdp.type, preferISAC(origSdp.description));
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JSONObject json = new JSONObject();
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jsonPut(json, "type", sdp.type.canonicalForm());
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jsonPut(json, "sdp", sdp.description);
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sendMessage(json);
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pc.setLocalDescription(sdpObserver, sdp);
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}
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});
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}
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@Override public void onSetSuccess() {
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runOnUiThread(new Runnable() {
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public void run() {
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if (appRtcClient.isInitiator()) {
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if (pc.getRemoteDescription() != null) {
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// We've set our local offer and received & set the remote
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// answer, so drain candidates.
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drainRemoteCandidates();
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}
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} else {
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if (pc.getLocalDescription() == null) {
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// We just set the remote offer, time to create our answer.
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logAndToast("Creating answer");
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pc.createAnswer(SDPObserver.this, sdpMediaConstraints);
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} else {
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// Sent our answer and set it as local description; drain
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// candidates.
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drainRemoteCandidates();
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}
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}
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}
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});
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}
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@Override public void onCreateFailure(final String error) {
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runOnUiThread(new Runnable() {
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public void run() {
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throw new RuntimeException("createSDP error: " + error);
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}
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});
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}
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@Override public void onSetFailure(final String error) {
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runOnUiThread(new Runnable() {
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public void run() {
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throw new RuntimeException("setSDP error: " + error);
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}
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});
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}
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private void drainRemoteCandidates() {
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for (IceCandidate candidate : queuedRemoteCandidates) {
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pc.addIceCandidate(candidate);
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}
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queuedRemoteCandidates = null;
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}
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}
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// Implementation detail: handler for receiving GAE messages and dispatching
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// them appropriately.
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private class GAEHandler implements GAEChannelClient.MessageHandler {
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@JavascriptInterface public void onOpen() {
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if (!appRtcClient.isInitiator()) {
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return;
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}
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logAndToast("Creating offer...");
|
|
pc.createOffer(sdpObserver, sdpMediaConstraints);
|
|
}
|
|
|
|
@JavascriptInterface public void onMessage(String data) {
|
|
try {
|
|
JSONObject json = new JSONObject(data);
|
|
String type = (String) json.get("type");
|
|
if (type.equals("candidate")) {
|
|
IceCandidate candidate = new IceCandidate(
|
|
(String) json.get("id"),
|
|
json.getInt("label"),
|
|
(String) json.get("candidate"));
|
|
if (queuedRemoteCandidates != null) {
|
|
queuedRemoteCandidates.add(candidate);
|
|
} else {
|
|
pc.addIceCandidate(candidate);
|
|
}
|
|
} else if (type.equals("answer") || type.equals("offer")) {
|
|
SessionDescription sdp = new SessionDescription(
|
|
SessionDescription.Type.fromCanonicalForm(type),
|
|
preferISAC((String) json.get("sdp")));
|
|
pc.setRemoteDescription(sdpObserver, sdp);
|
|
} else if (type.equals("bye")) {
|
|
logAndToast("Remote end hung up; dropping PeerConnection");
|
|
disconnectAndExit();
|
|
} else {
|
|
throw new RuntimeException("Unexpected message: " + data);
|
|
}
|
|
} catch (JSONException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
@JavascriptInterface public void onClose() {
|
|
disconnectAndExit();
|
|
}
|
|
|
|
@JavascriptInterface public void onError(int code, String description) {
|
|
disconnectAndExit();
|
|
}
|
|
}
|
|
|
|
// Disconnect from remote resources, dispose of local resources, and exit.
|
|
private void disconnectAndExit() {
|
|
synchronized (quit[0]) {
|
|
if (quit[0]) {
|
|
return;
|
|
}
|
|
quit[0] = true;
|
|
if (pc != null) {
|
|
pc.dispose();
|
|
pc = null;
|
|
}
|
|
if (appRtcClient != null) {
|
|
appRtcClient.sendMessage("{\"type\": \"bye\"}");
|
|
appRtcClient.disconnect();
|
|
appRtcClient = null;
|
|
}
|
|
if (videoSource != null) {
|
|
videoSource.dispose();
|
|
videoSource = null;
|
|
}
|
|
if (factory != null) {
|
|
factory.dispose();
|
|
factory = null;
|
|
}
|
|
finish();
|
|
}
|
|
}
|
|
|
|
// Implementation detail: bridge the VideoRenderer.Callbacks interface to the
|
|
// VideoStreamsView implementation.
|
|
private class VideoCallbacks implements VideoRenderer.Callbacks {
|
|
private final VideoStreamsView view;
|
|
private final VideoStreamsView.Endpoint stream;
|
|
|
|
public VideoCallbacks(
|
|
VideoStreamsView view, VideoStreamsView.Endpoint stream) {
|
|
this.view = view;
|
|
this.stream = stream;
|
|
}
|
|
|
|
@Override
|
|
public void setSize(final int width, final int height) {
|
|
view.queueEvent(new Runnable() {
|
|
public void run() {
|
|
view.setSize(stream, width, height);
|
|
}
|
|
});
|
|
}
|
|
|
|
@Override
|
|
public void renderFrame(I420Frame frame) {
|
|
view.queueFrame(stream, frame);
|
|
}
|
|
}
|
|
}
|