92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
96 lines
3.8 KiB
C++
96 lines
3.8 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_DIRECTX_H_
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#define MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_DIRECTX_H_
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#include <D3DCommon.h>
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#include <memory>
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#include <vector>
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#include "modules/desktop_capture/desktop_capture_options.h"
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#include "modules/desktop_capture/desktop_capturer.h"
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#include "modules/desktop_capture/desktop_region.h"
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#include "modules/desktop_capture/screen_capture_frame_queue.h"
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#include "modules/desktop_capture/win/dxgi_duplicator_controller.h"
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#include "modules/desktop_capture/win/dxgi_frame.h"
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#include "rtc_base/scoped_ref_ptr.h"
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namespace webrtc {
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// ScreenCapturerWinDirectx captures 32bit RGBA using DirectX.
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class ScreenCapturerWinDirectx : public DesktopCapturer {
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public:
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using D3dInfo = DxgiDuplicatorController::D3dInfo;
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// Whether the system supports DirectX based capturing.
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static bool IsSupported();
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// Returns a most recent D3dInfo composed by
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// DxgiDuplicatorController::Initialize() function. This function implicitly
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// calls DxgiDuplicatorController::Initialize() if it has not been
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// initialized. This function returns false and output parameter is kept
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// unchanged if DxgiDuplicatorController::Initialize() failed.
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// The D3dInfo may change based on hardware configuration even without
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// restarting the hardware and software. Refer to https://goo.gl/OOCppq. So
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// consumers should not cache the result returned by this function.
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static bool RetrieveD3dInfo(D3dInfo* info);
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// Whether current process is running in a Windows session which is supported
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// by ScreenCapturerWinDirectx.
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// Usually using ScreenCapturerWinDirectx in unsupported sessions will fail.
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// But this behavior may vary on different Windows version. So consumers can
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// always try IsSupported() function.
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static bool IsCurrentSessionSupported();
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// Maps |device_names| with the result from GetScreenList() and creates a new
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// SourceList to include only the ones in |device_names|. If this function
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// returns true, consumers can always assume |device_names|.size() equals to
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// |screens|->size(), meanwhile |device_names|[i] and |screens|[i] indicate
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// the same monitor on the system.
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// Public for test only.
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static bool GetScreenListFromDeviceNames(
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const std::vector<std::string>& device_names,
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DesktopCapturer::SourceList* screens);
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// Maps |id| with the result from GetScreenListFromDeviceNames() and returns
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// the index of the entity in |device_names|. This function returns -1 if |id|
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// cannot be found.
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// Public for test only.
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static int GetIndexFromScreenId(ScreenId id,
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const std::vector<std::string>& device_names);
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explicit ScreenCapturerWinDirectx();
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~ScreenCapturerWinDirectx() override;
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// DesktopCapturer implementation.
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void Start(Callback* callback) override;
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void SetSharedMemoryFactory(
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std::unique_ptr<SharedMemoryFactory> shared_memory_factory) override;
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void CaptureFrame() override;
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bool GetSourceList(SourceList* sources) override;
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bool SelectSource(SourceId id) override;
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private:
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const rtc::scoped_refptr<DxgiDuplicatorController> controller_;
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ScreenCaptureFrameQueue<DxgiFrame> frames_;
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std::unique_ptr<SharedMemoryFactory> shared_memory_factory_;
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Callback* callback_ = nullptr;
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SourceId current_screen_id_ = kFullDesktopScreenId;
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RTC_DISALLOW_COPY_AND_ASSIGN(ScreenCapturerWinDirectx);
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};
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} // namespace webrtc
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#endif // MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURER_WIN_DIRECTX_H_
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