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/*
* Copyright (c) 2017 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_WIN_DXGI_FRAME_H_
#define MODULES_DESKTOP_CAPTURE_WIN_DXGI_FRAME_H_
#include <memory>
#include <vector>
#include "modules/desktop_capture/desktop_capture_types.h"
#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/desktop_geometry.h"
#include "modules/desktop_capture/resolution_tracker.h"
#include "modules/desktop_capture/shared_desktop_frame.h"
#include "modules/desktop_capture/shared_memory.h"
#include "modules/desktop_capture/win/dxgi_context.h"
namespace webrtc {
class DxgiDuplicatorController;
// A pair of a SharedDesktopFrame and a DxgiDuplicatorController::Context for
// the client of DxgiDuplicatorController.
class DxgiFrame final {
public:
using Context = DxgiFrameContext;
// DxgiFrame does not take ownership of `factory`, consumers should ensure it
// outlives this instance. nullptr is acceptable.
explicit DxgiFrame(SharedMemoryFactory* factory);
~DxgiFrame();
// Should not be called if Prepare() is not executed or returns false.
SharedDesktopFrame* frame() const;
private:
// Allows DxgiDuplicatorController to access Prepare() and context() function
// as well as Context class.
friend class DxgiDuplicatorController;
// Prepares current instance with desktop size and source id.
bool Prepare(DesktopSize size, DesktopCapturer::SourceId source_id);
// Should not be called if Prepare() is not executed or returns false.
Context* context();
SharedMemoryFactory* const factory_;
ResolutionTracker resolution_tracker_;
DesktopCapturer::SourceId source_id_ = kFullDesktopScreenId;
std::unique_ptr<SharedDesktopFrame> frame_;
Context context_;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_WIN_DXGI_FRAME_H_
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