Update native plugin dll for turn servers and video.

webrtc/examples/unityplugin/simple_peer_connection.h

 /*
  *  Copyright (c) 2017 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.
  */
 
 #ifndef WEBRTC_EXAMPLES_UNITYPLUGIN_SIMPLE_PEER_CONNECTION_H_
 #define WEBRTC_EXAMPLES_UNITYPLUGIN_SIMPLE_PEER_CONNECTION_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "webrtc/api/datachannelinterface.h"
 #include "webrtc/api/mediastreaminterface.h"
 #include "webrtc/api/peerconnectioninterface.h"
 #include "webrtc/examples/unityplugin/unity_plugin_apis.h"
+#include "webrtc/examples/unityplugin/video_observer.h"
 
 class SimplePeerConnection : public webrtc::PeerConnectionObserver,
                              public webrtc::CreateSessionDescriptionObserver,
                              public webrtc::DataChannelObserver,
                              public webrtc::AudioTrackSinkInterface {
  public:
   SimplePeerConnection() {}
   ~SimplePeerConnection() {}
 
-  bool InitializePeerConnection(bool is_receiver);
+  bool InitializePeerConnection(const char** turn_urls,
+                                const int no_of_urls,
+                                const char* username,
+                                const char* credential,
+                                bool is_receiver);
   void DeletePeerConnection();
   void AddStreams(bool audio_only);
   bool CreateDataChannel();
   bool CreateOffer();
   bool CreateAnswer();
   bool SendDataViaDataChannel(const std::string& data);
   void SetAudioControl(bool is_mute, bool is_record);
 
   // Register callback functions.
-  void RegisterOnVideoFramReady(VIDEOFRAMEREADY_CALLBACK callback);
+  void RegisterOnLocalI420FrameReady(I420FRAMEREADY_CALLBACK callback);
+  void RegisterOnRemoteI420FrameReady(I420FRAMEREADY_CALLBACK callback);
   void RegisterOnLocalDataChannelReady(LOCALDATACHANNELREADY_CALLBACK callback);
   void RegisterOnDataFromDataChannelReady(
       DATAFROMEDATECHANNELREADY_CALLBACK callback);
   void RegisterOnFailure(FAILURE_CALLBACK callback);
   void RegisterOnAudioBusReady(AUDIOBUSREADY_CALLBACK callback);
   void RegisterOnLocalSdpReadytoSend(LOCALSDPREADYTOSEND_CALLBACK callback);
   void RegisterOnIceCandiateReadytoSend(
       ICECANDIDATEREADYTOSEND_CALLBACK callback);
-  bool ReceivedSdp(const char* sdp);
-  bool ReceivedIceCandidate(const char* ice_candidate);
-
-  bool SetHeadPosition(float x, float y, float z);
-  bool SetHeadRotation(float rx, float ry, float rz, float rw);
-  bool SetRemoteAudioPosition(float x, float y, float z);
-  bool SetRemoteAudioRotation(float rx, float ry, float rz, float rw);
+  bool SetRemoteDescription(const char* type, const char* sdp);
+  bool AddIceCandidate(const char* sdp,
+                       const int sdp_mlineindex,
+                       const char* sdp_mid);
 
  protected:
-  bool CreatePeerConnection(bool receiver);
+  // create a peerconneciton and add the turn servers info to the configuration.
+  bool CreatePeerConnection(const char** turn_urls,
+                            const int no_of_urls,
+                            const char* username,
+                            const char* credential,
+                            bool is_receiver);
   void CloseDataChannel();
   std::unique_ptr<cricket::VideoCapturer> OpenVideoCaptureDevice();
   void SetAudioControl();
 
   // PeerConnectionObserver implementation.
   void OnSignalingChange(
       webrtc::PeerConnectionInterface::SignalingState new_state) override {}
   void OnAddStream(
       rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override;
   void OnRemoveStream(
@@ skipping 25 matching lines @@
 
   // Get remote audio tracks ssrcs.
   std::vector<uint32_t> GetRemoteAudioTrackSsrcs();
 
  private:
   rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection_;
   rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel_;
   std::map<std::string, rtc::scoped_refptr<webrtc::MediaStreamInterface> >
       active_streams_;
 
+  std::unique_ptr<VideoObserver> local_video_observer_;
+  std::unique_ptr<VideoObserver> remote_video_observer_;
+
   webrtc::MediaStreamInterface* remote_stream_ = nullptr;
+  webrtc::PeerConnectionInterface::RTCConfiguration config_;
 
-  VIDEOFRAMEREADY_CALLBACK OnVideoFrameReady = nullptr;
   LOCALDATACHANNELREADY_CALLBACK OnLocalDataChannelReady = nullptr;
   DATAFROMEDATECHANNELREADY_CALLBACK OnDataFromDataChannelReady = nullptr;
   FAILURE_CALLBACK OnFailureMessage = nullptr;
   AUDIOBUSREADY_CALLBACK OnAudioReady = nullptr;
 
   LOCALSDPREADYTOSEND_CALLBACK OnLocalSdpReady = nullptr;
   ICECANDIDATEREADYTOSEND_CALLBACK OnIceCandiateReady = nullptr;
 
   bool is_mute_audio_ = false;
   bool is_record_audio_ = false;
 
   // disallow copy-and-assign
   SimplePeerConnection(const SimplePeerConnection&) = delete;
   SimplePeerConnection& operator=(const SimplePeerConnection&) = delete;
 };
 
 #endif  // WEBRTC_EXAMPLES_UNITYPLUGIN_SIMPLE_PEER_CONNECTION_H_