343 lines
12 KiB
Java
343 lines
12 KiB
Java
package eu.siacs.conversations.xmpp.jingle;
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import android.content.Context;
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import android.util.Log;
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import com.google.common.collect.ImmutableList;
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import com.google.common.util.concurrent.Futures;
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import com.google.common.util.concurrent.ListenableFuture;
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import com.google.common.util.concurrent.MoreExecutors;
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import com.google.common.util.concurrent.SettableFuture;
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import org.webrtc.AudioSource;
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import org.webrtc.AudioTrack;
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import org.webrtc.Camera1Capturer;
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import org.webrtc.Camera1Enumerator;
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import org.webrtc.CameraVideoCapturer;
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import org.webrtc.DataChannel;
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import org.webrtc.IceCandidate;
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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.RtpReceiver;
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import org.webrtc.SdpObserver;
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import org.webrtc.SessionDescription;
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import org.webrtc.VideoCapturer;
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import org.webrtc.VideoSource;
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import org.webrtc.VideoTrack;
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import java.util.List;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import eu.siacs.conversations.Config;
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public class WebRTCWrapper {
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private VideoTrack localVideoTrack = null;
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private VideoTrack remoteVideoTrack = null;
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private final EventCallback eventCallback;
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private final PeerConnection.Observer peerConnectionObserver = new PeerConnection.Observer() {
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@Override
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public void onSignalingChange(PeerConnection.SignalingState signalingState) {
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Log.d(Config.LOGTAG, "onSignalingChange(" + signalingState + ")");
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}
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@Override
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public void onConnectionChange(PeerConnection.PeerConnectionState newState) {
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eventCallback.onConnectionChange(newState);
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}
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@Override
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public void onIceConnectionChange(PeerConnection.IceConnectionState iceConnectionState) {
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}
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@Override
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public void onIceConnectionReceivingChange(boolean b) {
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}
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@Override
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public void onIceGatheringChange(PeerConnection.IceGatheringState iceGatheringState) {
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}
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@Override
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public void onIceCandidate(IceCandidate iceCandidate) {
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eventCallback.onIceCandidate(iceCandidate);
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}
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@Override
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public void onIceCandidatesRemoved(IceCandidate[] iceCandidates) {
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}
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@Override
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public void onAddStream(MediaStream mediaStream) {
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Log.d(Config.LOGTAG, "onAddStream");
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for (AudioTrack audioTrack : mediaStream.audioTracks) {
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Log.d(Config.LOGTAG, "remote? - audioTrack enabled:" + audioTrack.enabled() + " state=" + audioTrack.state());
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}
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final List<VideoTrack> videoTracks = mediaStream.videoTracks;
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if (videoTracks.size() > 0) {
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Log.d(Config.LOGTAG, "more than zero remote video tracks found. using first");
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remoteVideoTrack = videoTracks.get(0);
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}
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}
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@Override
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public void onRemoveStream(MediaStream mediaStream) {
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}
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@Override
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public void onDataChannel(DataChannel dataChannel) {
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}
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@Override
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public void onRenegotiationNeeded() {
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}
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@Override
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public void onAddTrack(RtpReceiver rtpReceiver, MediaStream[] mediaStreams) {
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Log.d(Config.LOGTAG, "onAddTrack()");
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}
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};
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@Nullable
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private PeerConnection peerConnection = null;
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public WebRTCWrapper(final EventCallback eventCallback) {
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this.eventCallback = eventCallback;
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}
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public void setup(final Context context) {
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PeerConnectionFactory.initialize(
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PeerConnectionFactory.InitializationOptions.builder(context).createInitializationOptions()
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);
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}
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public void initializePeerConnection() {
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PeerConnectionFactory peerConnectionFactory = PeerConnectionFactory.builder().createPeerConnectionFactory();
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CameraVideoCapturer capturer = null;
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Camera1Enumerator camera1Enumerator = new Camera1Enumerator();
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for (String deviceName : camera1Enumerator.getDeviceNames()) {
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Log.d(Config.LOGTAG, "camera device name: " + deviceName);
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if (camera1Enumerator.isFrontFacing(deviceName)) {
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capturer = camera1Enumerator.createCapturer(deviceName, new CameraVideoCapturer.CameraEventsHandler() {
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@Override
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public void onCameraError(String s) {
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}
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@Override
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public void onCameraDisconnected() {
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}
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@Override
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public void onCameraFreezed(String s) {
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}
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@Override
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public void onCameraOpening(String s) {
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Log.d(Config.LOGTAG, "onCameraOpening");
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}
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@Override
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public void onFirstFrameAvailable() {
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Log.d(Config.LOGTAG, "onFirstFrameAvailable");
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}
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@Override
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public void onCameraClosed() {
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}
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});
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}
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}
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/*if (capturer != null) {
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capturer.initialize();
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Log.d(Config.LOGTAG,"start capturing");
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capturer.startCapture(800,600,30);
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}*/
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final VideoSource videoSource = peerConnectionFactory.createVideoSource(false);
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final VideoTrack videoTrack = peerConnectionFactory.createVideoTrack("my-video-track", videoSource);
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final AudioSource audioSource = peerConnectionFactory.createAudioSource(new MediaConstraints());
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final AudioTrack audioTrack = peerConnectionFactory.createAudioTrack("my-audio-track", audioSource);
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Log.d(Config.LOGTAG, "audioTrack enabled:" + audioTrack.enabled() + " state=" + audioTrack.state());
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final MediaStream stream = peerConnectionFactory.createLocalMediaStream("my-media-stream");
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stream.addTrack(audioTrack);
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//stream.addTrack(videoTrack);
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this.localVideoTrack = videoTrack;
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final List<PeerConnection.IceServer> iceServers = ImmutableList.of(
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PeerConnection.IceServer.builder("stun:xmpp.conversations.im:3478").createIceServer()
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);
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final PeerConnection peerConnection = peerConnectionFactory.createPeerConnection(iceServers, peerConnectionObserver);
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if (peerConnection == null) {
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throw new IllegalStateException("Unable to create PeerConnection");
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}
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peerConnection.addStream(stream);
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peerConnection.setAudioPlayout(true);
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peerConnection.setAudioRecording(true);
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this.peerConnection = peerConnection;
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}
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public void close() {
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requirePeerConnection().close();
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}
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public ListenableFuture<SessionDescription> createOffer() {
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return Futures.transformAsync(getPeerConnectionFuture(), peerConnection -> {
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final SettableFuture<SessionDescription> future = SettableFuture.create();
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peerConnection.createOffer(new CreateSdpObserver() {
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@Override
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public void onCreateSuccess(SessionDescription sessionDescription) {
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future.set(sessionDescription);
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}
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@Override
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public void onCreateFailure(String s) {
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future.setException(new IllegalStateException("Unable to create offer: " + s));
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}
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}, new MediaConstraints());
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return future;
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}, MoreExecutors.directExecutor());
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}
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public ListenableFuture<SessionDescription> createAnswer() {
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return Futures.transformAsync(getPeerConnectionFuture(), peerConnection -> {
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final SettableFuture<SessionDescription> future = SettableFuture.create();
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peerConnection.createAnswer(new CreateSdpObserver() {
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@Override
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public void onCreateSuccess(SessionDescription sessionDescription) {
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future.set(sessionDescription);
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}
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@Override
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public void onCreateFailure(String s) {
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future.setException(new IllegalStateException("Unable to create answer: " + s));
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}
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}, new MediaConstraints());
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return future;
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}, MoreExecutors.directExecutor());
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}
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public ListenableFuture<Void> setLocalDescription(final SessionDescription sessionDescription) {
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return Futures.transformAsync(getPeerConnectionFuture(), peerConnection -> {
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final SettableFuture<Void> future = SettableFuture.create();
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peerConnection.setLocalDescription(new SetSdpObserver() {
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@Override
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public void onSetSuccess() {
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future.set(null);
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}
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@Override
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public void onSetFailure(String s) {
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future.setException(new IllegalArgumentException("unable to set local session description: " + s));
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}
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}, sessionDescription);
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return future;
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}, MoreExecutors.directExecutor());
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}
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public ListenableFuture<Void> setRemoteDescription(final SessionDescription sessionDescription) {
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return Futures.transformAsync(getPeerConnectionFuture(), peerConnection -> {
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final SettableFuture<Void> future = SettableFuture.create();
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peerConnection.setRemoteDescription(new SetSdpObserver() {
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@Override
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public void onSetSuccess() {
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future.set(null);
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}
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@Override
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public void onSetFailure(String s) {
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future.setException(new IllegalArgumentException("unable to set remote session description: " + s));
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}
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}, sessionDescription);
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return future;
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}, MoreExecutors.directExecutor());
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}
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@Nonnull
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private ListenableFuture<PeerConnection> getPeerConnectionFuture() {
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final PeerConnection peerConnection = this.peerConnection;
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if (peerConnection == null) {
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return Futures.immediateFailedFuture(new IllegalStateException("initialize PeerConnection first"));
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} else {
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return Futures.immediateFuture(peerConnection);
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}
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}
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public void addIceCandidate(IceCandidate iceCandidate) {
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requirePeerConnection().addIceCandidate(iceCandidate);
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}
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public PeerConnection.PeerConnectionState getState() {
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return requirePeerConnection().connectionState();
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}
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private PeerConnection requirePeerConnection() {
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final PeerConnection peerConnection = this.peerConnection;
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if (peerConnection == null) {
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throw new IllegalStateException("initialize PeerConnection first");
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}
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return peerConnection;
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}
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private static abstract class SetSdpObserver implements SdpObserver {
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@Override
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public void onCreateSuccess(org.webrtc.SessionDescription sessionDescription) {
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throw new IllegalStateException("Not able to use SetSdpObserver");
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}
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@Override
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public void onCreateFailure(String s) {
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throw new IllegalStateException("Not able to use SetSdpObserver");
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}
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}
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private static abstract class CreateSdpObserver implements SdpObserver {
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@Override
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public void onSetSuccess() {
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throw new IllegalStateException("Not able to use CreateSdpObserver");
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}
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@Override
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public void onSetFailure(String s) {
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throw new IllegalStateException("Not able to use CreateSdpObserver");
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}
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}
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public interface EventCallback {
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void onIceCandidate(IceCandidate iceCandidate);
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void onConnectionChange(PeerConnection.PeerConnectionState newState);
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}
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}
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