public void createPeerConnectionFactory(
final Context context,
final EGLContext renderEGLContext,
final PeerConnectionParameters peerConnectionParameters,
final PeerConnectionEvents events) {
this.peerConnectionParameters = peerConnectionParameters;
this.events = events;
videoCallEnabled = peerConnectionParameters.videoCallEnabled;
// Reset variables to initial states.
factory = null;
peerConnection = null;
preferIsac = false;
preferH264 = false;
videoSourceStopped = false;
isError = false;
queuedRemoteCandidates = null;
localSdp = null; // either offer or answer SDP
mediaStream = null;
videoCapturer = null;
renderVideo = true;
localVideoTrack = null;
remoteVideoTrack = null;
statsTimer = new Timer();
executor.execute(
new Runnable() {
@Override
public void run() {
createPeerConnectionFactoryInternal(context, renderEGLContext);
}
});
}
private PeerConnectionClient() {
executor = new LooperExecutor();
// Looper thread is started once in private ctor and is used for all
// peer connection API calls to ensure new peer connection factory is
// created on the same thread as previously destroyed factory.
executor.requestStart();
}
public void switchCamera() {
executor.execute(
new Runnable() {
@Override
public void run() {
switchCameraInternal();
}
});
}
public void close() {
executor.execute(
new Runnable() {
@Override
public void run() {
closeInternal();
}
});
}
public void changeCaptureFormat(final int width, final int height, final int framerate) {
executor.execute(
new Runnable() {
@Override
public void run() {
changeCaptureFormatInternal(width, height, framerate);
}
});
}
private void reportError(final String errorMessage) {
Log.e(TAG, "Peerconnection error: " + errorMessage);
executor.execute(
new Runnable() {
@Override
public void run() {
if (!isError) {
events.onPeerConnectionError(errorMessage);
isError = true;
}
}
});
}
public void startVideoSource() {
executor.execute(
new Runnable() {
@Override
public void run() {
if (videoSource != null && videoSourceStopped) {
Log.d(TAG, "Restart video source.");
videoSource.restart();
videoSourceStopped = false;
}
}
});
}
public void stopVideoSource() {
executor.execute(
new Runnable() {
@Override
public void run() {
if (videoSource != null && !videoSourceStopped) {
Log.d(TAG, "Stop video source.");
videoSource.stop();
videoSourceStopped = true;
}
}
});
}
public void createAnswer() {
executor.execute(
new Runnable() {
@Override
public void run() {
if (peerConnection != null && !isError) {
Log.d(TAG, "PC create ANSWER");
isInitiator = false;
peerConnection.createAnswer(sdpObserver, sdpMediaConstraints);
}
}
});
}
public void setRemoteDescription(final SessionDescription sdp) {
executor.execute(
new Runnable() {
@Override
public void run() {
if (peerConnection == null || isError) {
return;
}
String sdpDescription = sdp.description;
if (preferIsac) {
sdpDescription = preferCodec(sdpDescription, AUDIO_CODEC_ISAC, true);
}
if (videoCallEnabled && preferH264) {
sdpDescription = preferCodec(sdpDescription, VIDEO_CODEC_H264, false);
}
if (videoCallEnabled && peerConnectionParameters.videoStartBitrate > 0) {
sdpDescription =
setStartBitrate(
VIDEO_CODEC_VP8,
true,
sdpDescription,
peerConnectionParameters.videoStartBitrate);
sdpDescription =
setStartBitrate(
VIDEO_CODEC_VP9,
true,
sdpDescription,
peerConnectionParameters.videoStartBitrate);
sdpDescription =
setStartBitrate(
VIDEO_CODEC_H264,
true,
sdpDescription,
peerConnectionParameters.videoStartBitrate);
}
if (peerConnectionParameters.audioStartBitrate > 0) {
sdpDescription =
setStartBitrate(
AUDIO_CODEC_OPUS,
false,
sdpDescription,
peerConnectionParameters.audioStartBitrate);
}
Log.d(TAG, "Set remote SDP.");
SessionDescription sdpRemote = new SessionDescription(sdp.type, sdpDescription);
peerConnection.setRemoteDescription(sdpObserver, sdpRemote);
}
});
}
public void addRemoteIceCandidate(final IceCandidate candidate) {
executor.execute(
new Runnable() {
@Override
public void run() {
if (peerConnection != null && !isError) {
if (queuedRemoteCandidates != null) {
queuedRemoteCandidates.add(candidate);
} else {
peerConnection.addIceCandidate(candidate);
}
}
}
});
}
public void setVideoEnabled(final boolean enable) {
executor.execute(
new Runnable() {
@Override
public void run() {
renderVideo = enable;
if (localVideoTrack != null) {
localVideoTrack.setEnabled(renderVideo);
}
if (remoteVideoTrack != null) {
remoteVideoTrack.setEnabled(renderVideo);
}
}
});
}
public void createPeerConnection(
final VideoRenderer.Callbacks localRender,
final VideoRenderer.Callbacks remoteRender,
final SignalingParameters signalingParameters) {
if (peerConnectionParameters == null) {
Log.e(TAG, "Creating peer connection without initializing factory.");
return;
}
this.localRender = localRender;
this.remoteRender = remoteRender;
this.signalingParameters = signalingParameters;
executor.execute(
new Runnable() {
@Override
public void run() {
createMediaConstraintsInternal();
createPeerConnectionInternal();
}
});
}