| // Copyright 2014 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 CONTENT_RENDERER_MEDIA_WEBRTC_WEBRTC_MEDIA_STREAM_ADAPTER_H_ |
| #define CONTENT_RENDERER_MEDIA_WEBRTC_WEBRTC_MEDIA_STREAM_ADAPTER_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_vector.h" |
| #include "content/common/content_export.h" |
| #include "content/renderer/media/media_stream.h" |
| #include "content/renderer/media/webrtc/webrtc_video_track_adapter.h" |
| #include "third_party/WebKit/public/platform/WebMediaStream.h" |
| #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h" |
| |
| namespace content { |
| |
| class PeerConnectionDependencyFactory; |
| |
| // WebRtcMediaStreamAdapter is an adapter between a blink::WebMediaStream |
| // object and a webrtc MediaStreams that is currently sent on a PeerConnection. |
| // The responsibility of the class is to create and own a representation of a |
| // webrtc MediaStream that can be added and removed from a RTCPeerConnection. |
| // An instance of WebRtcMediaStreamAdapter is created when a MediaStream is |
| // added to an RTCPeerConnection object |
| // Instances of this class is owned by the RTCPeerConnectionHandler object that |
| // created it. |
| class CONTENT_EXPORT WebRtcMediaStreamAdapter |
| : NON_EXPORTED_BASE(public MediaStreamObserver) { |
| public: |
| WebRtcMediaStreamAdapter(const blink::WebMediaStream& web_stream, |
| PeerConnectionDependencyFactory* factory); |
| ~WebRtcMediaStreamAdapter() override; |
| |
| bool IsEqual(const blink::WebMediaStream& web_stream) { |
| return web_stream_.extraData() == web_stream.extraData(); |
| } |
| |
| webrtc::MediaStreamInterface* webrtc_media_stream() { |
| return webrtc_media_stream_.get(); |
| } |
| |
| protected: |
| // MediaStreamObserver implementation. |
| void TrackAdded(const blink::WebMediaStreamTrack& track) override; |
| void TrackRemoved(const blink::WebMediaStreamTrack& track) override; |
| |
| private: |
| void CreateAudioTrack(const blink::WebMediaStreamTrack& track); |
| void CreateVideoTrack(const blink::WebMediaStreamTrack& track); |
| |
| blink::WebMediaStream web_stream_; |
| |
| // Pointer to a PeerConnectionDependencyFactory, owned by the RenderThread. |
| // It's valid for the lifetime of RenderThread. |
| PeerConnectionDependencyFactory* factory_; |
| |
| scoped_refptr<webrtc::MediaStreamInterface> webrtc_media_stream_; |
| ScopedVector<WebRtcVideoTrackAdapter> video_adapters_; |
| |
| DISALLOW_COPY_AND_ASSIGN (WebRtcMediaStreamAdapter); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_MEDIA_WEBRTC_WEBRTC_MEDIA_STREAM_ADAPTER_H_ |