fake_desktop_capturer.h 2.2 KB

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  1. // Copyright 2015 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef REMOTING_PROTOCOL_FAKE_DESKTOP_CAPTURER_H_
  5. #define REMOTING_PROTOCOL_FAKE_DESKTOP_CAPTURER_H_
  6. #include <memory>
  7. #include "base/callback.h"
  8. #include "base/memory/raw_ptr.h"
  9. #include "remoting/protocol/desktop_capturer.h"
  10. #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
  11. #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
  12. #include "third_party/webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
  13. #include "third_party/webrtc/modules/desktop_capture/shared_desktop_frame.h"
  14. namespace remoting::protocol {
  15. // A FakeDesktopCapturer which generates an artificial image for testing.
  16. //
  17. // FakeDesktopCapturer is double-buffered as required by DesktopCapturer.
  18. class FakeDesktopCapturer : public DesktopCapturer {
  19. public:
  20. // By default FakeDesktopCapturer generates frames of size kWidth x kHeight,
  21. // but custom frame generator set using set_frame_generator() may generate
  22. // frames of a different size.
  23. static const int kWidth = 800;
  24. static const int kHeight = 600;
  25. using FrameGenerator =
  26. base::RepeatingCallback<std::unique_ptr<webrtc::DesktopFrame>(
  27. webrtc::SharedMemoryFactory* shared_memory_factory)>;
  28. FakeDesktopCapturer();
  29. FakeDesktopCapturer(const FakeDesktopCapturer&) = delete;
  30. FakeDesktopCapturer& operator=(const FakeDesktopCapturer&) = delete;
  31. ~FakeDesktopCapturer() override;
  32. void set_frame_generator(FrameGenerator frame_generator);
  33. // webrtc::DesktopCapturer interface.
  34. void Start(Callback* callback) override;
  35. void SetSharedMemoryFactory(std::unique_ptr<webrtc::SharedMemoryFactory>
  36. shared_memory_factory) override;
  37. void CaptureFrame() override;
  38. bool GetSourceList(SourceList* sources) override;
  39. bool SelectSource(SourceId id) override;
  40. private:
  41. FrameGenerator frame_generator_;
  42. raw_ptr<Callback> callback_;
  43. std::unique_ptr<webrtc::SharedMemoryFactory> shared_memory_factory_;
  44. };
  45. } // namespace remoting::protocol
  46. #endif // REMOTING_PROTOCOL_FAKE_DESKTOP_CAPTURER_H_