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// Copyright (c) 2012 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.
// VideoWriter is a generic interface used by ConnectionToClient to
// write into the video stream. ProtobufVideoWriter implements this
// interface for protobuf video streams.
#ifndef REMOTING_PROTOCOL_VIDEO_WRITER_H_
#define REMOTING_PROTOCOL_VIDEO_WRITER_H_
#include "base/basictypes.h"
#include "base/callback.h"
#include "remoting/protocol/video_stub.h"
namespace remoting {
namespace protocol {
class Session;
class SessionConfig;
class VideoWriter : public VideoStub {
public:
virtual ~VideoWriter();
// The callback is called when initialization is finished. The
// parameter is set to true on success.
typedef base::Callback<void(bool)> InitializedCallback;
static scoped_ptr<VideoWriter> Create(const SessionConfig& config);
// Initializes the writer.
virtual void Init(Session* session, const InitializedCallback& callback) = 0;
// Stops writing. Must be called on the network thread before this
// object is destroyed.
virtual void Close() = 0;
// Returns true if the channel is connected.
virtual bool is_connected() = 0;
protected:
VideoWriter() { }
private:
DISALLOW_COPY_AND_ASSIGN(VideoWriter);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_VIDEO_WRITER_H_
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