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/*
* Copyright 2013 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;
import java.util.List;
import javax.annotation.Nullable;
import org.webrtc.Logging.Severity;
import org.webrtc.audio.AudioDeviceModule;
import org.webrtc.audio.JavaAudioDeviceModule;
/**
* Java wrapper for a C++ PeerConnectionFactoryInterface. Main entry point to
* the PeerConnection API for clients.
*/
public class PeerConnectionFactory {
public static final String TRIAL_ENABLED = "Enabled";
@Deprecated public static final String VIDEO_FRAME_EMIT_TRIAL = "VideoFrameEmit";
private static final String TAG = "PeerConnectionFactory";
private static final String VIDEO_CAPTURER_THREAD_NAME = "VideoCapturerThread";
/** Helper class holding both Java and C++ thread info. */
private static class ThreadInfo {
final Thread thread;
final long tid;
public static ThreadInfo getCurrent() {
return new ThreadInfo(Thread.currentThread(), Thread.currentThread().getId());
}
private ThreadInfo(Thread thread, long tid) {
this.thread = thread;
this.tid = tid;
}
}
private static volatile boolean internalTracerInitialized;
// Remove these once deprecated static printStackTrace() is gone.
@Nullable private static ThreadInfo staticNetworkThread;
@Nullable private static ThreadInfo staticWorkerThread;
@Nullable private static ThreadInfo staticSignalingThread;
private long nativeFactory;
@Nullable private volatile ThreadInfo networkThread;
@Nullable private volatile ThreadInfo workerThread;
@Nullable private volatile ThreadInfo signalingThread;
public static class InitializationOptions {
final String fieldTrials;
final boolean enableInternalTracer;
final NativeLibraryLoader nativeLibraryLoader;
final String nativeLibraryName;
@Nullable Loggable loggable;
@Nullable Severity loggableSeverity;
private InitializationOptions(String fieldTrials,
boolean enableInternalTracer, NativeLibraryLoader nativeLibraryLoader,
String nativeLibraryName, @Nullable Loggable loggable,
@Nullable Severity loggableSeverity) {
this.fieldTrials = fieldTrials;
this.enableInternalTracer = enableInternalTracer;
this.nativeLibraryLoader = nativeLibraryLoader;
this.nativeLibraryName = nativeLibraryName;
this.loggable = loggable;
this.loggableSeverity = loggableSeverity;
}
public static Builder builder() {
return new Builder();
}
public static class Builder {
private String fieldTrials = "";
private boolean enableInternalTracer;
private NativeLibraryLoader nativeLibraryLoader = new NativeLibrary.DefaultLoader();
private String nativeLibraryName = "jingle_peerconnection_so";
@Nullable private Loggable loggable;
@Nullable private Severity loggableSeverity;
Builder() {
}
public Builder setFieldTrials(String fieldTrials) {
this.fieldTrials = fieldTrials;
return this;
}
public Builder setEnableInternalTracer(boolean enableInternalTracer) {
this.enableInternalTracer = enableInternalTracer;
return this;
}
public Builder setNativeLibraryLoader(NativeLibraryLoader nativeLibraryLoader) {
this.nativeLibraryLoader = nativeLibraryLoader;
return this;
}
public Builder setNativeLibraryName(String nativeLibraryName) {
this.nativeLibraryName = nativeLibraryName;
return this;
}
public Builder setInjectableLogger(Loggable loggable, Severity severity) {
this.loggable = loggable;
this.loggableSeverity = severity;
return this;
}
public PeerConnectionFactory.InitializationOptions createInitializationOptions() {
return new PeerConnectionFactory.InitializationOptions(fieldTrials,
enableInternalTracer, nativeLibraryLoader, nativeLibraryName, loggable,
loggableSeverity);
}
}
}
public static class Options {
// Keep in sync with webrtc/rtc_base/network.h!
//
// These bit fields are defined for |networkIgnoreMask| below.
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;
public static final int ADAPTER_TYPE_LOOPBACK = 1 << 4;
static final int ADAPTER_TYPE_ANY = 1 << 5;
public int networkIgnoreMask;
public boolean disableEncryption;
public boolean disableNetworkMonitor;
@CalledByNative("Options")
int getNetworkIgnoreMask() {
return networkIgnoreMask;
}
@CalledByNative("Options")
boolean getDisableEncryption() {
return disableEncryption;
}
@CalledByNative("Options")
boolean getDisableNetworkMonitor() {
return disableNetworkMonitor;
}
}
public static class Builder {
@Nullable private Options options;
@Nullable private AudioDeviceModule audioDeviceModule;
private AudioEncoderFactoryFactory audioEncoderFactoryFactory =
new BuiltinAudioEncoderFactoryFactory();
private AudioDecoderFactoryFactory audioDecoderFactoryFactory =
new BuiltinAudioDecoderFactoryFactory();
@Nullable private VideoEncoderFactory videoEncoderFactory;
@Nullable private VideoDecoderFactory videoDecoderFactory;
@Nullable private AudioProcessingFactory audioProcessingFactory;
@Nullable private FecControllerFactoryFactoryInterface fecControllerFactoryFactory;
@Nullable private NetworkControllerFactoryFactory networkControllerFactoryFactory;
@Nullable private NetworkStatePredictorFactoryFactory networkStatePredictorFactoryFactory;
@Nullable private MediaTransportFactoryFactory mediaTransportFactoryFactory;
private Builder() {}
public Builder setOptions(Options options) {
this.options = options;
return this;
}
public Builder setAudioDeviceModule(AudioDeviceModule audioDeviceModule) {
this.audioDeviceModule = audioDeviceModule;
return this;
}
public Builder setAudioEncoderFactoryFactory(
AudioEncoderFactoryFactory audioEncoderFactoryFactory) {
if (audioEncoderFactoryFactory == null) {
throw new IllegalArgumentException(
"PeerConnectionFactory.Builder does not accept a null AudioEncoderFactoryFactory.");
}
this.audioEncoderFactoryFactory = audioEncoderFactoryFactory;
return this;
}
public Builder setAudioDecoderFactoryFactory(
AudioDecoderFactoryFactory audioDecoderFactoryFactory) {
if (audioDecoderFactoryFactory == null) {
throw new IllegalArgumentException(
"PeerConnectionFactory.Builder does not accept a null AudioDecoderFactoryFactory.");
}
this.audioDecoderFactoryFactory = audioDecoderFactoryFactory;
return this;
}
public Builder setVideoEncoderFactory(VideoEncoderFactory videoEncoderFactory) {
this.videoEncoderFactory = videoEncoderFactory;
return this;
}
public Builder setVideoDecoderFactory(VideoDecoderFactory videoDecoderFactory) {
this.videoDecoderFactory = videoDecoderFactory;
return this;
}
public Builder setAudioProcessingFactory(AudioProcessingFactory audioProcessingFactory) {
if (audioProcessingFactory == null) {
throw new NullPointerException(
"PeerConnectionFactory builder does not accept a null AudioProcessingFactory.");
}
this.audioProcessingFactory = audioProcessingFactory;
return this;
}
public Builder setFecControllerFactoryFactoryInterface(
FecControllerFactoryFactoryInterface fecControllerFactoryFactory) {
this.fecControllerFactoryFactory = fecControllerFactoryFactory;
return this;
}
public Builder setNetworkControllerFactoryFactory(
NetworkControllerFactoryFactory networkControllerFactoryFactory) {
this.networkControllerFactoryFactory = networkControllerFactoryFactory;
return this;
}
public Builder setNetworkStatePredictorFactoryFactory(
NetworkStatePredictorFactoryFactory networkStatePredictorFactoryFactory) {
this.networkStatePredictorFactoryFactory = networkStatePredictorFactoryFactory;
return this;
}
/** Sets a MediaTransportFactoryFactory for a PeerConnectionFactory. */
public Builder setMediaTransportFactoryFactory(
MediaTransportFactoryFactory mediaTransportFactoryFactory) {
this.mediaTransportFactoryFactory = mediaTransportFactoryFactory;
return this;
}
public PeerConnectionFactory createPeerConnectionFactory() {
checkInitializeHasBeenCalled();
if (audioDeviceModule == null) {
audioDeviceModule = JavaAudioDeviceModule.builder(ContextUtils.getApplicationContext())
.createAudioDeviceModule();
}
return nativeCreatePeerConnectionFactory(ContextUtils.getApplicationContext(), options,
audioDeviceModule.getNativeAudioDeviceModulePointer(),
audioEncoderFactoryFactory.createNativeAudioEncoderFactory(),
audioDecoderFactoryFactory.createNativeAudioDecoderFactory(),
videoEncoderFactory,
videoDecoderFactory,
audioProcessingFactory == null ? 0 : audioProcessingFactory.createNative(),
fecControllerFactoryFactory == null ? 0 : fecControllerFactoryFactory.createNative(),
networkControllerFactoryFactory == null
? 0
: networkControllerFactoryFactory.createNativeNetworkControllerFactory(),
networkStatePredictorFactoryFactory == null
? 0
: networkStatePredictorFactoryFactory.createNativeNetworkStatePredictorFactory(),
mediaTransportFactoryFactory == null
? 0
: mediaTransportFactoryFactory.createNativeMediaTransportFactory());
}
}
public static Builder builder() {
return new Builder();
}
/**
* Loads and initializes WebRTC. This must be called at least once before creating a
* PeerConnectionFactory. Replaces all the old initialization methods. Must not be called while
* a PeerConnectionFactory is alive.
*/
public static void initialize(InitializationOptions options) {
//ContextUtils.initialize(options.applicationContext);
NativeLibrary.initialize(options.nativeLibraryLoader, options.nativeLibraryName);
nativeInitializeAndroidGlobals();
nativeInitializeFieldTrials(options.fieldTrials);
if (options.enableInternalTracer && !internalTracerInitialized) {
initializeInternalTracer();
}
if (options.loggable != null) {
Logging.injectLoggable(options.loggable, options.loggableSeverity);
nativeInjectLoggable(new JNILogging(options.loggable), options.loggableSeverity.ordinal());
} else {
Logging.d(TAG,
"PeerConnectionFactory was initialized without an injected Loggable. "
+ "Any existing Loggable will be deleted.");
Logging.deleteInjectedLoggable();
nativeDeleteLoggable();
}
}
private static void checkInitializeHasBeenCalled() {
if (!NativeLibrary.isLoaded()) {
throw new IllegalStateException(
"PeerConnectionFactory.initialize was not called before creating a "
+ "PeerConnectionFactory.");
}
}
private static void initializeInternalTracer() {
internalTracerInitialized = true;
nativeInitializeInternalTracer();
}
public static void shutdownInternalTracer() {
internalTracerInitialized = false;
nativeShutdownInternalTracer();
}
// Field trial initialization. Must be called before PeerConnectionFactory
// is created.
// Deprecated, use PeerConnectionFactory.initialize instead.
@Deprecated
public static void initializeFieldTrials(String fieldTrialsInitString) {
nativeInitializeFieldTrials(fieldTrialsInitString);
}
// Wrapper of webrtc::field_trial::FindFullName. Develop the feature with default behaviour off.
// Example usage:
// if (PeerConnectionFactory.fieldTrialsFindFullName("WebRTCExperiment").equals("Enabled")) {
// method1();
// } else {
// method2();
// }
public static String fieldTrialsFindFullName(String name) {
return NativeLibrary.isLoaded() ? nativeFindFieldTrialsFullName(name) : "";
}
// Start/stop internal capturing of internal tracing.
public static boolean startInternalTracingCapture(String tracingFilename) {
return nativeStartInternalTracingCapture(tracingFilename);
}
public static void stopInternalTracingCapture() {
nativeStopInternalTracingCapture();
}
@CalledByNative
PeerConnectionFactory(long nativeFactory) {
checkInitializeHasBeenCalled();
if (nativeFactory == 0) {
throw new RuntimeException("Failed to initialize PeerConnectionFactory!");
}
this.nativeFactory = nativeFactory;
}
/**
* Internal helper function to pass the parameters down into the native JNI bridge.
*/
@Nullable
PeerConnection createPeerConnectionInternal(PeerConnection.RTCConfiguration rtcConfig,
MediaConstraints constraints, PeerConnection.Observer observer,
SSLCertificateVerifier sslCertificateVerifier) {
checkPeerConnectionFactoryExists();
long nativeObserver = PeerConnection.createNativePeerConnectionObserver(observer);
if (nativeObserver == 0) {
return null;
}
long nativePeerConnection = nativeCreatePeerConnection(
nativeFactory, rtcConfig, constraints, nativeObserver, sslCertificateVerifier);
if (nativePeerConnection == 0) {
return null;
}
return new PeerConnection(nativePeerConnection);
}
/**
* Deprecated. PeerConnection constraints are deprecated. Supply values in rtcConfig struct
* instead and use the method without constraints in the signature.
*/
@Nullable
@Deprecated
public PeerConnection createPeerConnection(PeerConnection.RTCConfiguration rtcConfig,
MediaConstraints constraints, PeerConnection.Observer observer) {
return createPeerConnectionInternal(
rtcConfig, constraints, observer, /* sslCertificateVerifier= */ null);
}
/**
* Deprecated. PeerConnection constraints are deprecated. Supply values in rtcConfig struct
* instead and use the method without constraints in the signature.
*/
@Nullable
@Deprecated
public PeerConnection createPeerConnection(List iceServers,
MediaConstraints constraints, PeerConnection.Observer observer) {
PeerConnection.RTCConfiguration rtcConfig = new PeerConnection.RTCConfiguration(iceServers);
return createPeerConnection(rtcConfig, constraints, observer);
}
@Nullable
public PeerConnection createPeerConnection(
List iceServers, PeerConnection.Observer observer) {
PeerConnection.RTCConfiguration rtcConfig = new PeerConnection.RTCConfiguration(iceServers);
return createPeerConnection(rtcConfig, observer);
}
@Nullable
public PeerConnection createPeerConnection(
PeerConnection.RTCConfiguration rtcConfig, PeerConnection.Observer observer) {
return createPeerConnection(rtcConfig, null /* constraints */, observer);
}
@Nullable
public PeerConnection createPeerConnection(
PeerConnection.RTCConfiguration rtcConfig, PeerConnectionDependencies dependencies) {
return createPeerConnectionInternal(rtcConfig, null /* constraints */,
dependencies.getObserver(), dependencies.getSSLCertificateVerifier());
}
public MediaStream createLocalMediaStream(String label) {
checkPeerConnectionFactoryExists();
return new MediaStream(nativeCreateLocalMediaStream(nativeFactory, label));
}
/**
* Create video source with given parameters. If alignTimestamps is false, the caller is
* responsible for aligning the frame timestamps to rtc::TimeNanos(). This can be used to achieve
* higher accuracy if there is a big delay between frame creation and frames being delivered to
* the returned video source. If alignTimestamps is true, timestamps will be aligned to
* rtc::TimeNanos() when they arrive to the returned video source.
*/
public VideoSource createVideoSource(boolean isScreencast, boolean alignTimestamps) {
checkPeerConnectionFactoryExists();
return new VideoSource(nativeCreateVideoSource(nativeFactory, isScreencast, alignTimestamps));
}
/**
* Same as above with alignTimestamps set to true.
*
* @see #createVideoSource(boolean, boolean)
*/
public VideoSource createVideoSource(boolean isScreencast) {
return createVideoSource(isScreencast, /* alignTimestamps= */ true);
}
public VideoTrack createVideoTrack(String id, VideoSource source) {
checkPeerConnectionFactoryExists();
return new VideoTrack(
nativeCreateVideoTrack(nativeFactory, id, source.getNativeVideoTrackSource()));
}
public AudioSource createAudioSource(MediaConstraints constraints) {
checkPeerConnectionFactoryExists();
return new AudioSource(nativeCreateAudioSource(nativeFactory, constraints));
}
public AudioTrack createAudioTrack(String id, AudioSource source) {
checkPeerConnectionFactoryExists();
return new AudioTrack(nativeCreateAudioTrack(nativeFactory, id, source.getNativeAudioSource()));
}
// Starts recording an AEC dump. Ownership of the file is transfered to the
// native code. If an AEC dump is already in progress, it will be stopped and
// a new one will start using the provided file.
public boolean startAecDump(int file_descriptor, int filesize_limit_bytes) {
checkPeerConnectionFactoryExists();
return nativeStartAecDump(nativeFactory, file_descriptor, filesize_limit_bytes);
}
// Stops recording an AEC dump. If no AEC dump is currently being recorded,
// this call will have no effect.
public void stopAecDump() {
checkPeerConnectionFactoryExists();
nativeStopAecDump(nativeFactory);
}
public void dispose() {
checkPeerConnectionFactoryExists();
nativeFreeFactory(nativeFactory);
networkThread = null;
workerThread = null;
signalingThread = null;
//MediaCodecVideoEncoder.disposeEglContext();
//MediaCodecVideoDecoder.disposeEglContext();
nativeFactory = 0;
}
/** Returns a pointer to the native webrtc::PeerConnectionFactoryInterface. */
public long getNativePeerConnectionFactory() {
checkPeerConnectionFactoryExists();
return nativeGetNativePeerConnectionFactory(nativeFactory);
}
/** Returns a pointer to the native OwnedFactoryAndThreads object */
public long getNativeOwnedFactoryAndThreads() {
checkPeerConnectionFactoryExists();
return nativeFactory;
}
private void checkPeerConnectionFactoryExists() {
if (nativeFactory == 0) {
throw new IllegalStateException("PeerConnectionFactory has been disposed.");
}
}
private static void printStackTrace(
@Nullable ThreadInfo threadInfo, boolean printNativeStackTrace) {
if (threadInfo == null) {
// Thread callbacks have not been completed yet, ignore call.
return;
}
final String threadName = threadInfo.thread.getName();
StackTraceElement[] stackTraces = threadInfo.thread.getStackTrace();
if (stackTraces.length > 0) {
Logging.w(TAG, threadName + " stacktrace:");
for (StackTraceElement stackTrace : stackTraces) {
Logging.w(TAG, stackTrace.toString());
}
}
if (printNativeStackTrace) {
// Imitate output from debuggerd/tombstone so that stack trace can easily be symbolized with
// ndk-stack.
Logging.w(TAG, "*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***");
Logging.w(TAG,
"pid: "+ 0 +", tid: " + threadInfo.tid + ", name: " + threadName
+ " >>> WebRTC <<<");
nativePrintStackTrace((int)threadInfo.tid);
}
}
/** Deprecated, use non-static version instead. */
@Deprecated
public static void printStackTraces() {
printStackTrace(staticNetworkThread, /* printNativeStackTrace= */ false);
printStackTrace(staticWorkerThread, /* printNativeStackTrace= */ false);
printStackTrace(staticSignalingThread, /* printNativeStackTrace= */ false);
}
/**
* Print the Java stack traces for the critical threads used by PeerConnectionFactory, namely;
* signaling thread, worker thread, and network thread. If printNativeStackTraces is true, also
* attempt to print the C++ stack traces for these (and some other) threads.
*/
public void printInternalStackTraces(boolean printNativeStackTraces) {
printStackTrace(signalingThread, printNativeStackTraces);
printStackTrace(workerThread, printNativeStackTraces);
printStackTrace(networkThread, printNativeStackTraces);
if (printNativeStackTraces) {
nativePrintStackTracesOfRegisteredThreads();
}
}
/*
@CalledByNative
private void onNetworkThreadReady() {
networkThread = ThreadInfo.getCurrent();
staticNetworkThread = networkThread;
Logging.d(TAG, "onNetworkThreadReady");
}
@CalledByNative
private void onWorkerThreadReady() {
workerThread = ThreadInfo.getCurrent();
staticWorkerThread = workerThread;
Logging.d(TAG, "onWorkerThreadReady");
}
@CalledByNative
private void onSignalingThreadReady() {
signalingThread = ThreadInfo.getCurrent();
staticSignalingThread = signalingThread;
Logging.d(TAG, "onSignalingThreadReady");
}
*/
// Must be called at least once before creating a PeerConnectionFactory
// (for example, at application startup time).
private static native void nativeInitializeAndroidGlobals();
private static native void nativeInitializeFieldTrials(String fieldTrialsInitString);
private static native String nativeFindFieldTrialsFullName(String name);
private static native void nativeInitializeInternalTracer();
// Internal tracing shutdown, called to prevent resource leaks. Must be called after
// PeerConnectionFactory is gone to prevent races with code performing tracing.
private static native void nativeShutdownInternalTracer();
private static native boolean nativeStartInternalTracingCapture(String tracingFilename);
private static native void nativeStopInternalTracingCapture();
private static native PeerConnectionFactory nativeCreatePeerConnectionFactory(Object context,
Options options, long nativeAudioDeviceModule, long audioEncoderFactory,
long audioDecoderFactory, VideoEncoderFactory encoderFactory,
VideoDecoderFactory decoderFactory, long nativeAudioProcessor,
long nativeFecControllerFactory, long nativeNetworkControllerFactory,
long nativeNetworkStatePredictorFactory, long mediaTransportFactory);
private static native long nativeCreatePeerConnection(long factory,
PeerConnection.RTCConfiguration rtcConfig, MediaConstraints constraints, long nativeObserver,
SSLCertificateVerifier sslCertificateVerifier);
private static native long nativeCreateLocalMediaStream(long factory, String label);
private static native long nativeCreateVideoSource(
long factory, boolean is_screencast, boolean alignTimestamps);
private static native long nativeCreateVideoTrack(
long factory, String id, long nativeVideoSource);
private static native long nativeCreateAudioSource(long factory, MediaConstraints constraints);
private static native long nativeCreateAudioTrack(long factory, String id, long nativeSource);
private static native boolean nativeStartAecDump(
long factory, int file_descriptor, int filesize_limit_bytes);
private static native void nativeStopAecDump(long factory);
private static native void nativeFreeFactory(long factory);
private static native long nativeGetNativePeerConnectionFactory(long factory);
private static native void nativeInjectLoggable(JNILogging jniLogging, int severity);
private static native void nativeDeleteLoggable();
private static native void nativePrintStackTrace(int tid);
private static native void nativePrintStackTracesOfRegisteredThreads();
}
