| /* |
| * 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_capturer.h" |
| #include "modules/desktop_capture/desktop_capture_types.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_ |