webrtc/modules/desktop_capture/shared_desktop_frame.h
Byoungchan Lee 604fd2f1ab Remove RTC_DISALLOW_COPY_AND_ASSIGN from modules/
Bug: webrtc:13555, webrtc:13082
Change-Id: I2c2cbcbd918f0cfa970c1a964893220ba11d4b41
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/247960
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: (Daniel.L) Byoungchan Lee <daniel.l@hpcnt.com>
Cr-Commit-Position: refs/heads/main@{#35771}
2022-01-24 11:50:20 +00:00

65 lines
2.1 KiB
C++

/*
* 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 MODULES_DESKTOP_CAPTURE_SHARED_DESKTOP_FRAME_H_
#define MODULES_DESKTOP_CAPTURE_SHARED_DESKTOP_FRAME_H_
#include <memory>
#include "api/scoped_refptr.h"
#include "modules/desktop_capture/desktop_frame.h"
#include "rtc_base/ref_counted_object.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
// SharedDesktopFrame is a DesktopFrame that may have multiple instances all
// sharing the same buffer.
class RTC_EXPORT SharedDesktopFrame final : public DesktopFrame {
public:
~SharedDesktopFrame() override;
SharedDesktopFrame(const SharedDesktopFrame&) = delete;
SharedDesktopFrame& operator=(const SharedDesktopFrame&) = delete;
static std::unique_ptr<SharedDesktopFrame> Wrap(
std::unique_ptr<DesktopFrame> desktop_frame);
// Deprecated.
// TODO(sergeyu): remove this method.
static SharedDesktopFrame* Wrap(DesktopFrame* desktop_frame);
// Deprecated. Clients do not need to know the underlying DesktopFrame
// instance.
// TODO(zijiehe): Remove this method.
// Returns the underlying instance of DesktopFrame.
DesktopFrame* GetUnderlyingFrame();
// Returns whether `this` and `other` share the underlying DesktopFrame.
bool ShareFrameWith(const SharedDesktopFrame& other) const;
// Creates a clone of this object.
std::unique_ptr<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:
typedef rtc::FinalRefCountedObject<std::unique_ptr<DesktopFrame>> Core;
SharedDesktopFrame(rtc::scoped_refptr<Core> core);
const rtc::scoped_refptr<Core> core_;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_SHARED_DESKTOP_FRAME_H_