참고소스 수정본

참고/playwright-main/browser_patches/firefox/juggler/screencast/HeadlessWindowCapturer.h

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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#pragma once
+
+#include <memory>
+#include <set>
+#include "api/video/video_frame.h"
+#include "api/video/video_sink_interface.h"
+#include "modules/video_capture/video_capture.h"
+#include "rtc_base/deprecated/recursive_critical_section.h"
+#include "video_engine/desktop_capture_impl.h"
+
+class nsIWidget;
+
+namespace mozilla {
+
+namespace widget {
+class HeadlessWidget;
+}
+
+class HeadlessWindowCapturer : public webrtc::VideoCaptureModuleEx {
+ public:
+  static webrtc::scoped_refptr<webrtc::VideoCaptureModuleEx> Create(mozilla::widget::HeadlessWidget*);
+
+  void RegisterCaptureDataCallback(
+      webrtc::VideoSinkInterface<webrtc::VideoFrame>* dataCallback) override;
+  void DeRegisterCaptureDataCallback(
+      webrtc::VideoSinkInterface<webrtc::VideoFrame>* dataCallback) override;
+  int32_t StopCaptureIfAllClientsClose() override;
+
+  void RegisterRawFrameCallback(webrtc::RawFrameCallback* rawFrameCallback) override;
+  void RegisterCaptureDataCallback(webrtc::RawVideoSinkInterface* dataCallback) override;
+  void DeRegisterRawFrameCallback(webrtc::RawFrameCallback* rawFrameCallback) override;
+
+  int32_t SetCaptureRotation(webrtc::VideoRotation) override { return -1; }
+  bool SetApplyRotation(bool) override { return false; }
+  bool GetApplyRotation() override { return true; }
+
+  const char* CurrentDeviceName() const override { return "Headless window"; }
+
+  // Platform dependent
+  int32_t StartCapture(const webrtc::VideoCaptureCapability& capability) override;
+  bool FocusOnSelectedSource() override { return false; }
+  int32_t StopCapture() override;
+  bool CaptureStarted() override;
+  int32_t CaptureSettings(webrtc::VideoCaptureCapability& settings) override {
+    return -1;
+  }
+
+ protected:
+  HeadlessWindowCapturer(mozilla::widget::HeadlessWidget*);
+  ~HeadlessWindowCapturer() override;
+
+ private:
+  void NotifyFrameCaptured(const webrtc::VideoFrame& frame);
+
+  RefPtr<mozilla::widget::HeadlessWidget> mWindow;
+  webrtc::RecursiveCriticalSection _callBackCs;
+  std::set<webrtc::VideoSinkInterface<webrtc::VideoFrame>*> _dataCallBacks;
+  std::set<webrtc::RawFrameCallback*> _rawFrameCallbacks;
+};
+
+}  // namespace mozilla