1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // VideoWriter is a generic interface used by ConnectionToClient to 6 // write into the video stream. ProtobufVideoWriter implements this 7 // interface for protobuf video streams. 8 9 #ifndef REMOTING_PROTOCOL_VIDEO_WRITER_H_ 10 #define REMOTING_PROTOCOL_VIDEO_WRITER_H_ 11 12 #include "base/basictypes.h" 13 #include "base/callback.h" 14 #include "remoting/protocol/video_stub.h" 15 16 namespace remoting { 17 namespace protocol { 18 19 class Session; 20 class SessionConfig; 21 22 class VideoWriter : public VideoStub { 23 public: 24 virtual ~VideoWriter(); 25 26 // The callback is called when initialization is finished. The 27 // parameter is set to true on success. 28 typedef base::Callback<void(bool)> InitializedCallback; 29 30 static scoped_ptr<VideoWriter> Create(const SessionConfig& config); 31 32 // Initializes the writer. 33 virtual void Init(Session* session, const InitializedCallback& callback) = 0; 34 35 // Stops writing. Must be called on the network thread before this 36 // object is destroyed. 37 virtual void Close() = 0; 38 39 // Returns true if the channel is connected. 40 virtual bool is_connected() = 0; 41 42 protected: 43 VideoWriter() { } 44 45 private: 46 DISALLOW_COPY_AND_ASSIGN(VideoWriter); 47 }; 48 49 } // namespace protocol 50 } // namespace remoting 51 52 #endif // REMOTING_PROTOCOL_VIDEO_WRITER_H_ 53
