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/*
* libjingle
* Copyright 2013 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.webrtc;
import java.util.List;
/**
* Java wrapper for a C++ PeerConnectionFactoryInterface. Main entry point to
* the PeerConnection API for clients.
*/
public class PeerConnectionFactory {
static {
System.loadLibrary("jingle_peerconnection_so");
}
private static final String TAG = "PeerConnectionFactory";
private final long nativeFactory;
private static Thread workerThread;
private static Thread signalingThread;
public static class Options {
// Keep in sync with webrtc/base/network.h!
static final int ADAPTER_TYPE_UNKNOWN = 0;
static final int ADAPTER_TYPE_ETHERNET = 1 << 0;
static final int ADAPTER_TYPE_WIFI = 1 << 1;
static final int ADAPTER_TYPE_CELLULAR = 1 << 2;
static final int ADAPTER_TYPE_VPN = 1 << 3;
static final int ADAPTER_TYPE_LOOPBACK = 1 << 4;
public int networkIgnoreMask;
public boolean disableEncryption;
public boolean disableNetworkMonitor;
}
// |context| is an android.content.Context object, but we keep it untyped here
// to allow building on non-Android platforms.
// Callers may specify either |initializeAudio| or |initializeVideo| as false
// to skip initializing the respective engine (and avoid the need for the
// respective permissions).
// |renderEGLContext| can be provided to suport HW video decoding to
// texture and will be used to create a shared EGL context on video
// decoding thread.
public static native boolean initializeAndroidGlobals(
Object context, boolean initializeAudio, boolean initializeVideo,
boolean videoHwAcceleration);
// Field trial initialization. Must be called before PeerConnectionFactory
// is created.
public static native void initializeFieldTrials(String fieldTrialsInitString);
public PeerConnectionFactory() {
nativeFactory = nativeCreatePeerConnectionFactory();
if (nativeFactory == 0) {
throw new RuntimeException("Failed to initialize PeerConnectionFactory!");
}
}
public PeerConnection createPeerConnection(
PeerConnection.RTCConfiguration rtcConfig,
MediaConstraints constraints,
PeerConnection.Observer observer) {
long nativeObserver = nativeCreateObserver(observer);
if (nativeObserver == 0) {
return null;
}
long nativePeerConnection = nativeCreatePeerConnection(
nativeFactory, rtcConfig, constraints, nativeObserver);
if (nativePeerConnection == 0) {
return null;
}
return new PeerConnection(nativePeerConnection, nativeObserver);
}
public PeerConnection createPeerConnection(
List<PeerConnection.IceServer> iceServers,
MediaConstraints constraints,
PeerConnection.Observer observer) {
PeerConnection.RTCConfiguration rtcConfig =
new PeerConnection.RTCConfiguration(iceServers);
return createPeerConnection(rtcConfig, constraints, observer);
}
public MediaStream createLocalMediaStream(String label) {
return new MediaStream(
nativeCreateLocalMediaStream(nativeFactory, label));
}
public VideoSource createVideoSource(
VideoCapturer capturer, MediaConstraints constraints) {
return new VideoSource(nativeCreateVideoSource(
nativeFactory, capturer.takeNativeVideoCapturer(), constraints));
}
public VideoTrack createVideoTrack(String id, VideoSource source) {
return new VideoTrack(nativeCreateVideoTrack(
nativeFactory, id, source.nativeSource));
}
public AudioSource createAudioSource(MediaConstraints constraints) {
return new AudioSource(nativeCreateAudioSource(nativeFactory, constraints));
}
public AudioTrack createAudioTrack(String id, AudioSource source) {
return new AudioTrack(nativeCreateAudioTrack(
nativeFactory, id, source.nativeSource));
}
public void setOptions(Options options) {
nativeSetOptions(nativeFactory, options);
}
public void setVideoHwAccelerationOptions(Object renderEGLContext) {
nativeSetVideoHwAccelerationOptions(nativeFactory, renderEGLContext);
}
public void dispose() {
nativeFreeFactory(nativeFactory);
signalingThread = null;
workerThread = null;
}
public void threadsCallbacks() {
nativeThreadsCallbacks(nativeFactory);
}
private static void printStackTrace(Thread thread, String threadName) {
if (thread != null) {
StackTraceElement[] stackTraces = thread.getStackTrace();
if (stackTraces.length > 0) {
Logging.d(TAG, threadName + " stacks trace:");
for (StackTraceElement stackTrace : stackTraces) {
Logging.d(TAG, stackTrace.toString());
}
}
}
}
public static void printStackTraces() {
printStackTrace(workerThread, "Worker thread");
printStackTrace(signalingThread, "Signaling thread");
}
private static void onWorkerThreadReady() {
workerThread = Thread.currentThread();
Logging.d(TAG, "onWorkerThreadReady");
}
private static void onSignalingThreadReady() {
signalingThread = Thread.currentThread();
Logging.d(TAG, "onSignalingThreadReady");
}
private static native long nativeCreatePeerConnectionFactory();
private static native long nativeCreateObserver(
PeerConnection.Observer observer);
private static native long nativeCreatePeerConnection(
long nativeFactory, PeerConnection.RTCConfiguration rtcConfig,
MediaConstraints constraints, long nativeObserver);
private static native long nativeCreateLocalMediaStream(
long nativeFactory, String label);
private static native long nativeCreateVideoSource(
long nativeFactory, long nativeVideoCapturer,
MediaConstraints constraints);
private static native long nativeCreateVideoTrack(
long nativeFactory, String id, long nativeVideoSource);
private static native long nativeCreateAudioSource(
long nativeFactory, MediaConstraints constraints);
private static native long nativeCreateAudioTrack(
long nativeFactory, String id, long nativeSource);
public native void nativeSetOptions(long nativeFactory, Options options);
private static native void nativeSetVideoHwAccelerationOptions(
long nativeFactory, Object renderEGLContext);
private static native void nativeThreadsCallbacks(long nativeFactory);
private static native void nativeFreeFactory(long nativeFactory);
}
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