Interface with webrtc through encoded frames

remoting/protocol/webrtc_transport.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_PROTOCOL_WEBRTC_TRANSPORT_H_
 #define REMOTING_PROTOCOL_WEBRTC_TRANSPORT_H_
 
 #include <memory>
+#include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/timer/timer.h"
 #include "crypto/hmac.h"
 #include "remoting/protocol/transport.h"
 #include "remoting/protocol/webrtc_data_stream_adapter.h"
+#include "remoting/protocol/webrtc_video_encoder.h"
 #include "remoting/signaling/signal_strategy.h"
 #include "third_party/webrtc/api/peerconnectioninterface.h"
 
 namespace webrtc {
 class FakeAudioDeviceModule;
 }  // namespace webrtc
 
 namespace remoting {
 namespace protocol {
 
@@ skipping 30 matching lines @@
                   scoped_refptr<TransportContext> transport_context,
                   EventHandler* event_handler);
   ~WebrtcTransport() override;
 
   webrtc::PeerConnectionInterface* peer_connection() {
     return peer_connection_;
   }
   webrtc::PeerConnectionFactoryInterface* peer_connection_factory() {
     return peer_connection_factory_;
   }
+  remoting::WebRtcVideoEncoderFactory* video_encoder_factory() {
+    return video_encoder_factory_;
+  }
 
   // Factories for outgoing and incoming data channels. Must be used only after
   // the transport is connected.
   MessageChannelFactory* outgoing_channel_factory() {
     return &outgoing_data_stream_adapter_;
   }
   MessageChannelFactory* incoming_channel_factory() {
     return &incoming_data_stream_adapter_;
   }
 
   // Transport interface.
   void Start(Authenticator* authenticator,
              SendTransportInfoCallback send_transport_info_callback) override;
   bool ProcessTransportInfo(buzz::XmlElement* transport_info) override;
+  void Close(ErrorCode error);
 
  private:
   void OnLocalSessionDescriptionCreated(
       std::unique_ptr<webrtc::SessionDescriptionInterface> description,
       const std::string& error);
   void OnLocalDescriptionSet(bool success, const std::string& error);
   void OnRemoteDescriptionSet(bool send_answer,
                               bool success,
                               const std::string& error);
 
   // webrtc::PeerConnectionObserver interface.
   void OnSignalingChange(
       webrtc::PeerConnectionInterface::SignalingState new_state) override;
   void OnAddStream(webrtc::MediaStreamInterface* stream) override;
   void OnRemoveStream(webrtc::MediaStreamInterface* stream) override;
   void OnDataChannel(webrtc::DataChannelInterface* data_channel) override;
   void OnRenegotiationNeeded() override;
   void OnIceConnectionChange(
       webrtc::PeerConnectionInterface::IceConnectionState new_state) override;
   void OnIceGatheringChange(
       webrtc::PeerConnectionInterface::IceGatheringState new_state) override;
   void OnIceCandidate(const webrtc::IceCandidateInterface* candidate) override;
 
   void RequestNegotiation();
   void SendOffer();
   void EnsurePendingTransportInfoMessage();
   void SendTransportInfo();
   void AddPendingCandidatesIfPossible();
 
-  void Close(ErrorCode error);
-
   base::ThreadChecker thread_checker_;
 
   rtc::Thread* worker_thread_;
   scoped_refptr<TransportContext> transport_context_;
   EventHandler* event_handler_ = nullptr;
   SendTransportInfoCallback send_transport_info_callback_;
 
   crypto::HMAC handshake_hmac_;
 
   std::unique_ptr<webrtc::FakeAudioDeviceModule> fake_audio_device_module_;
 
   rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface>
       peer_connection_factory_;
   rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection_;
 
+  remoting::WebRtcVideoEncoderFactory* video_encoder_factory_;
+
   bool negotiation_pending_ = false;
 
   bool connected_ = false;
 
   std::unique_ptr<buzz::XmlElement> pending_transport_info_message_;
   base::OneShotTimer transport_info_timer_;
 
   ScopedVector<webrtc::IceCandidateInterface> pending_incoming_candidates_;
 
   WebrtcDataStreamAdapter outgoing_data_stream_adapter_;
   WebrtcDataStreamAdapter incoming_data_stream_adapter_;
 
   base::WeakPtrFactory<WebrtcTransport> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebrtcTransport);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_WEBRTC_TRANSPORT_H_