blob: 12d373a0f3eac3a78b25f8cdf6feb9da2be88054 [file] [log] [blame]
/*
* Copyright (c) 2013 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_MODULES_DESKTOP_CAPTURE_SHARED_DESKTOP_FRAME_H_
#define WEBRTC_MODULES_DESKTOP_CAPTURE_SHARED_DESKTOP_FRAME_H_
#include "webrtc/base/scoped_ref_ptr.h"
#include "webrtc/modules/desktop_capture/desktop_frame.h"
namespace webrtc {
// SharedDesktopFrame is a DesktopFrame that may have multiple instances all
// sharing the same buffer.
class SharedDesktopFrame : public DesktopFrame {
public:
virtual ~SharedDesktopFrame();
static SharedDesktopFrame* Wrap(DesktopFrame* desktop_frame);
// Returns the underlying instance of DesktopFrame.
DesktopFrame* GetUnderlyingFrame();
// Creates a clone of this object.
SharedDesktopFrame* Share();
// Checks if the frame is currently shared. If it returns false it's
// guaranteed that there are no clones of the object.
bool IsShared();
private:
class Core;
SharedDesktopFrame(rtc::scoped_refptr<Core> core);
rtc::scoped_refptr<Core> core_;
DISALLOW_COPY_AND_ASSIGN(SharedDesktopFrame);
};
} // namespace webrtc
#endif // WEBRTC_MODULES_DESKTOP_CAPTURE_SHARED_DESKTOP_FRAME_H_