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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS CONTRIBUTORS
* 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.
*/
#pragma once
#if USE(LIBWEBRTC)
#include "LibWebRTCMacros.h"
#include "ScriptExecutionContextIdentifier.h"
#include "WebRTCProvider.h"
#include <wtf/Compiler.h>
#include <wtf/TZoneMalloc.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_BEGIN
// See Bug 274508: Disable thread-safety-reference-return warnings in libwebrtc
IGNORE_CLANG_WARNINGS_BEGIN("thread-safety-reference-return")
#include <webrtc/api/peer_connection_interface.h>
IGNORE_CLANG_WARNINGS_END
#include <webrtc/api/scoped_refptr.h>
#include <webrtc/api/video_codecs/video_decoder_factory.h>
#include <webrtc/api/video_codecs/video_encoder_factory.h>
WTF_IGNORE_WARNINGS_IN_THIRD_PARTY_CODE_END
namespace rtc {
class NetworkManager;
class PacketSocketFactory;
class Thread;
class RTCCertificateGenerator;
}
namespace webrtc {
class AsyncDnsResolverFactory;
class PeerConnectionFactoryInterface;
}
namespace WebCore {
class LibWebRTCAudioModule;
class RegistrableDomain;
struct PeerConnectionFactoryAndThreads;
class WEBCORE_EXPORT LibWebRTCProvider : public WebRTCProvider {
WTF_MAKE_TZONE_ALLOCATED_EXPORT(LibWebRTCProvider, WEBCORE_EXPORT);
public:
static UniqueRef<LibWebRTCProvider> create();
virtual ~LibWebRTCProvider();
static void setRTCLogging(WTFLogLevel);
virtual void setEnableWebRTCEncryption(bool);
virtual void disableNonLocalhostConnections();
std::optional<RTCRtpCapabilities> receiverCapabilities(const String& kind) final;
std::optional<RTCRtpCapabilities> senderCapabilities(const String& kind) final;
void clearFactory() final;
virtual rtc::scoped_refptr<webrtc::PeerConnectionInterface> createPeerConnection(ScriptExecutionContextIdentifier, webrtc::PeerConnectionObserver&, rtc::PacketSocketFactory*, webrtc::PeerConnectionInterface::RTCConfiguration&&);
webrtc::PeerConnectionFactoryInterface* factory();
LibWebRTCAudioModule* audioModule();
// FIXME: Make these methods not static.
static void callOnWebRTCNetworkThread(Function<void()>&&);
static void callOnWebRTCSignalingThread(Function<void()>&&);
static bool hasWebRTCThreads();
static rtc::Thread& signalingThread();
// Used for mock testing
void setPeerConnectionFactory(rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface>&&);
// Callback is executed on a background thread.
void prepareCertificateGenerator(Function<void(rtc::RTCCertificateGenerator&)>&&);
virtual void setLoggingLevel(WTFLogLevel);
WEBCORE_EXPORT virtual void setVP9HardwareSupportForTesting(std::optional<bool> value) { m_supportsVP9VTBForTesting = value; }
virtual bool isSupportingVP9HardwareDecoder() const { return m_supportsVP9VTBForTesting.value_or(false); }
WEBCORE_EXPORT void disableEnumeratingAllNetworkInterfaces();
WEBCORE_EXPORT void enableEnumeratingAllNetworkInterfaces();
bool isEnumeratingAllNetworkInterfacesEnabled() const;
WEBCORE_EXPORT void enableEnumeratingVisibleNetworkInterfaces();
bool isEnumeratingVisibleNetworkInterfacesEnabled() const { return m_enableEnumeratingVisibleNetworkInterfaces; }
class SuspendableSocketFactory : public rtc::PacketSocketFactory {
public:
virtual ~SuspendableSocketFactory() = default;
virtual void suspend() { };
virtual void resume() { };
virtual void disableRelay() { };
};
virtual std::unique_ptr<SuspendableSocketFactory> createSocketFactory(String&& /* userAgent */, ScriptExecutionContextIdentifier, bool /* isFirstParty */, RegistrableDomain&&);
protected:
LibWebRTCProvider();
rtc::scoped_refptr<webrtc::PeerConnectionInterface> createPeerConnection(webrtc::PeerConnectionObserver&, rtc::NetworkManager&, rtc::PacketSocketFactory&, webrtc::PeerConnectionInterface::RTCConfiguration&&, std::unique_ptr<webrtc::AsyncDnsResolverFactoryInterface>&&);
rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> createPeerConnectionFactory(rtc::Thread* networkThread, rtc::Thread* signalingThread);
virtual std::unique_ptr<webrtc::VideoDecoderFactory> createDecoderFactory();
virtual std::unique_ptr<webrtc::VideoEncoderFactory> createEncoderFactory();
virtual void startedNetworkThread();
PeerConnectionFactoryAndThreads& getStaticFactoryAndThreads(bool useNetworkThreadWithSocketServer);
RefPtr<LibWebRTCAudioModule> m_audioModule;
rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> m_factory;
// FIXME: Remove m_useNetworkThreadWithSocketServer member variable and make it a global.
bool m_useNetworkThreadWithSocketServer { true };
private:
void initializeAudioDecodingCapabilities() final;
void initializeVideoDecodingCapabilities() final;
void initializeAudioEncodingCapabilities() final;
void initializeVideoEncodingCapabilities() final;
virtual void willCreatePeerConnectionFactory();
std::optional<MediaCapabilitiesDecodingInfo> videoDecodingCapabilitiesOverride(const VideoConfiguration&) final;
std::optional<MediaCapabilitiesEncodingInfo> videoEncodingCapabilitiesOverride(const VideoConfiguration&) final;
std::optional<bool> m_supportsVP9VTBForTesting { false };
bool m_disableNonLocalhostConnections { false };
bool m_enableEnumeratingAllNetworkInterfaces { false };
bool m_enableEnumeratingVisibleNetworkInterfaces { false };
};
inline void LibWebRTCProvider::willCreatePeerConnectionFactory()
{
}
inline LibWebRTCAudioModule* LibWebRTCProvider::audioModule()
{
return m_audioModule.get();
}
} // namespace WebCore
#endif // USE(LIBWEBRTC)
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