63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/*
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* Copyright (c) 2013 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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#include <memory>
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#include <utility>
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#include "modules/desktop_capture/blank_detector_desktop_capturer_wrapper.h"
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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/fallback_desktop_capturer_wrapper.h"
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#include "modules/desktop_capture/rgba_color.h"
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#include "modules/desktop_capture/win/screen_capturer_win_directx.h"
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#include "modules/desktop_capture/win/screen_capturer_win_gdi.h"
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#include "modules/desktop_capture/win/screen_capturer_win_magnifier.h"
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namespace webrtc {
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namespace {
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std::unique_ptr<DesktopCapturer> CreateScreenCapturerWinDirectx() {
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std::unique_ptr<DesktopCapturer> capturer(new ScreenCapturerWinDirectx());
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capturer.reset(new BlankDetectorDesktopCapturerWrapper(
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std::move(capturer), RgbaColor(0, 0, 0, 0)));
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return capturer;
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}
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} // namespace
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// static
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std::unique_ptr<DesktopCapturer> DesktopCapturer::CreateRawScreenCapturer(
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const DesktopCaptureOptions& options) {
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std::unique_ptr<DesktopCapturer> capturer(new ScreenCapturerWinGdi(options));
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if (options.allow_directx_capturer()) {
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// |dxgi_duplicator_controller| should be alive in this scope to ensure it
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// won't unload DxgiDuplicatorController.
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auto dxgi_duplicator_controller = DxgiDuplicatorController::Instance();
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if (ScreenCapturerWinDirectx::IsSupported()) {
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capturer.reset(new FallbackDesktopCapturerWrapper(
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CreateScreenCapturerWinDirectx(), std::move(capturer)));
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}
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}
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if (options.allow_use_magnification_api()) {
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// ScreenCapturerWinMagnifier cannot work on Windows XP or earlier, as well
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// as 64-bit only Windows, and it may randomly crash on multi-screen
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// systems. So we may need to fallback to use original capturer.
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capturer.reset(new FallbackDesktopCapturerWrapper(
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std::unique_ptr<DesktopCapturer>(new ScreenCapturerWinMagnifier()),
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std::move(capturer)));
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}
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return capturer;
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}
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} // namespace webrtc
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