[WebRTC] Implement WebRTC PeerConnection backend based on libwebrtc

https://bugs.webkit.org/show_bug.cgi?id=167289

Patch by Youenn Fablet <youennf@gmail.com> on 2017-01-26
Reviewed by Alex Christensen.

Introducing an initial implementation of WebRTC peer connection backend based on LibWebRTC.
This is done behind a compilation flag which is off by default, until the implementation is ready.

The backend implements the PeerConnectionBackend API.
The implementation is split into LibWebRTCPeerConnectionBackend which contains mostly generic code and
passes the real work to LibWebRTCMediaEndpoint.
The latter class is implementing the API using LibWebRTC.

* Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.cpp: Added.
(WebCore::LibWebRTCMediaEndpoint::LibWebRTCMediaEndpoint):
(WebCore::sessionDescriptionType):
(WebCore::LibWebRTCMediaEndpoint::doSetLocalDescription):
(WebCore::LibWebRTCMediaEndpoint::doSetRemoteDescription):
(WebCore::LibWebRTCMediaEndpoint::addPendingIceCandidates):
(WebCore::streamId):
(WebCore::LibWebRTCMediaEndpoint::doCreateOffer):
(WebCore::LibWebRTCMediaEndpoint::doCreateAnswer):
(WebCore::LibWebRTCMediaEndpoint::getStats):
(WebCore::LibWebRTCMediaEndpoint::StatsCollector::StatsCollector):
(WebCore::LibWebRTCMediaEndpoint::StatsCollector::OnStatsDelivered):
(WebCore::signalingState):
(WebCore::LibWebRTCMediaEndpoint::OnSignalingChange):
(WebCore::trackId):
(WebCore::createMediaStreamTrack):
(WebCore::LibWebRTCMediaEndpoint::addStream):
(WebCore::LibWebRTCMediaEndpoint::OnAddStream):
(WebCore::LibWebRTCMediaEndpoint::OnRemoveStream):
(WebCore::LibWebRTCMediaEndpoint::OnDataChannel):
(WebCore::LibWebRTCMediaEndpoint::stop):
(WebCore::LibWebRTCMediaEndpoint::OnRenegotiationNeeded):
(WebCore::iceConnectionState):
(WebCore::LibWebRTCMediaEndpoint::OnIceConnectionChange):
(WebCore::LibWebRTCMediaEndpoint::OnIceGatheringChange):
(WebCore::LibWebRTCMediaEndpoint::OnIceCandidate):
(WebCore::LibWebRTCMediaEndpoint::OnIceCandidatesRemoved):
(WebCore::LibWebRTCMediaEndpoint::createSessionDescriptionSucceeded):
(WebCore::LibWebRTCMediaEndpoint::createSessionDescriptionFailed):
(WebCore::LibWebRTCMediaEndpoint::setLocalSessionDescriptionSucceeded):
(WebCore::LibWebRTCMediaEndpoint::setLocalSessionDescriptionFailed):
(WebCore::LibWebRTCMediaEndpoint::setRemoteSessionDescriptionSucceeded):
(WebCore::LibWebRTCMediaEndpoint::setRemoteSessionDescriptionFailed):
* Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.h: Added.
* Modules/mediastream/libwebrtc/LibWebRTCPeerConnectionBackend.cpp: Added.
(WebCore::createLibWebRTCPeerConnectionBackend):
(WebCore::libWebRTCProvider):
(WebCore::LibWebRTCPeerConnectionBackend::LibWebRTCPeerConnectionBackend):
(WebCore::configurationFromMediaEndpointConfiguration):
(WebCore::LibWebRTCPeerConnectionBackend::setConfiguration):
(WebCore::LibWebRTCPeerConnectionBackend::getStats):
(WebCore::LibWebRTCPeerConnectionBackend::doSetLocalDescription):
(WebCore::LibWebRTCPeerConnectionBackend::doSetRemoteDescription):
(WebCore::LibWebRTCPeerConnectionBackend::doCreateOffer):
(WebCore::LibWebRTCPeerConnectionBackend::doCreateAnswer):
(WebCore::LibWebRTCPeerConnectionBackend::doStop):
(WebCore::LibWebRTCPeerConnectionBackend::doAddIceCandidate):
(WebCore::LibWebRTCPeerConnectionBackend::markAsNeedingNegotiation):
(WebCore::LibWebRTCPeerConnectionBackend::createReceiver):
(WebCore::LibWebRTCPeerConnectionBackend::createDataChannelHandler):
* Modules/mediastream/libwebrtc/LibWebRTCPeerConnectionBackend.h: Added.
* WebCore.xcodeproj/project.pbxproj:

Canonical link: https://commits.webkit.org/184530@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@211255 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/ChangeLog

@@ -1,3 +1,71 @@
+2017-01-26  Youenn Fablet  <youennf@gmail.com>
+
+        [WebRTC] Implement WebRTC PeerConnection backend based on libwebrtc
+        https://bugs.webkit.org/show_bug.cgi?id=167289
+
+        Reviewed by Alex Christensen.
+
+        Introducing an initial implementation of WebRTC peer connection backend based on LibWebRTC.
+        This is done behind a compilation flag which is off by default, until the implementation is ready.
+
+        The backend implements the PeerConnectionBackend API.
+        The implementation is split into LibWebRTCPeerConnectionBackend which contains mostly generic code and
+        passes the real work to LibWebRTCMediaEndpoint.
+        The latter class is implementing the API using LibWebRTC.
+
+        * Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.cpp: Added.
+        (WebCore::LibWebRTCMediaEndpoint::LibWebRTCMediaEndpoint):
+        (WebCore::sessionDescriptionType):
+        (WebCore::LibWebRTCMediaEndpoint::doSetLocalDescription):
+        (WebCore::LibWebRTCMediaEndpoint::doSetRemoteDescription):
+        (WebCore::LibWebRTCMediaEndpoint::addPendingIceCandidates):
+        (WebCore::streamId):
+        (WebCore::LibWebRTCMediaEndpoint::doCreateOffer):
+        (WebCore::LibWebRTCMediaEndpoint::doCreateAnswer):
+        (WebCore::LibWebRTCMediaEndpoint::getStats):
+        (WebCore::LibWebRTCMediaEndpoint::StatsCollector::StatsCollector):
+        (WebCore::LibWebRTCMediaEndpoint::StatsCollector::OnStatsDelivered):
+        (WebCore::signalingState):
+        (WebCore::LibWebRTCMediaEndpoint::OnSignalingChange):
+        (WebCore::trackId):
+        (WebCore::createMediaStreamTrack):
+        (WebCore::LibWebRTCMediaEndpoint::addStream):
+        (WebCore::LibWebRTCMediaEndpoint::OnAddStream):
+        (WebCore::LibWebRTCMediaEndpoint::OnRemoveStream):
+        (WebCore::LibWebRTCMediaEndpoint::OnDataChannel):
+        (WebCore::LibWebRTCMediaEndpoint::stop):
+        (WebCore::LibWebRTCMediaEndpoint::OnRenegotiationNeeded):
+        (WebCore::iceConnectionState):
+        (WebCore::LibWebRTCMediaEndpoint::OnIceConnectionChange):
+        (WebCore::LibWebRTCMediaEndpoint::OnIceGatheringChange):
+        (WebCore::LibWebRTCMediaEndpoint::OnIceCandidate):
+        (WebCore::LibWebRTCMediaEndpoint::OnIceCandidatesRemoved):
+        (WebCore::LibWebRTCMediaEndpoint::createSessionDescriptionSucceeded):
+        (WebCore::LibWebRTCMediaEndpoint::createSessionDescriptionFailed):
+        (WebCore::LibWebRTCMediaEndpoint::setLocalSessionDescriptionSucceeded):
+        (WebCore::LibWebRTCMediaEndpoint::setLocalSessionDescriptionFailed):
+        (WebCore::LibWebRTCMediaEndpoint::setRemoteSessionDescriptionSucceeded):
+        (WebCore::LibWebRTCMediaEndpoint::setRemoteSessionDescriptionFailed):
+        * Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.h: Added.
+        * Modules/mediastream/libwebrtc/LibWebRTCPeerConnectionBackend.cpp: Added.
+        (WebCore::createLibWebRTCPeerConnectionBackend):
+        (WebCore::libWebRTCProvider):
+        (WebCore::LibWebRTCPeerConnectionBackend::LibWebRTCPeerConnectionBackend):
+        (WebCore::configurationFromMediaEndpointConfiguration):
+        (WebCore::LibWebRTCPeerConnectionBackend::setConfiguration):
+        (WebCore::LibWebRTCPeerConnectionBackend::getStats):
+        (WebCore::LibWebRTCPeerConnectionBackend::doSetLocalDescription):
+        (WebCore::LibWebRTCPeerConnectionBackend::doSetRemoteDescription):
+        (WebCore::LibWebRTCPeerConnectionBackend::doCreateOffer):
+        (WebCore::LibWebRTCPeerConnectionBackend::doCreateAnswer):
+        (WebCore::LibWebRTCPeerConnectionBackend::doStop):
+        (WebCore::LibWebRTCPeerConnectionBackend::doAddIceCandidate):
+        (WebCore::LibWebRTCPeerConnectionBackend::markAsNeedingNegotiation):
+        (WebCore::LibWebRTCPeerConnectionBackend::createReceiver):
+        (WebCore::LibWebRTCPeerConnectionBackend::createDataChannelHandler):
+        * Modules/mediastream/libwebrtc/LibWebRTCPeerConnectionBackend.h: Added.
+        * WebCore.xcodeproj/project.pbxproj:
+
 2017-01-26  Chris Dumez  <cdumez@apple.com>
 
         Crash when navigating back to a page in PacheCache when one of its frames has been removed