resolution_tracker.h 992 B

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  1. /*
  2. * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
  3. *
  4. * Use of this source code is governed by a BSD-style license
  5. * that can be found in the LICENSE file in the root of the source
  6. * tree. An additional intellectual property rights grant can be found
  7. * in the file PATENTS. All contributing project authors may
  8. * be found in the AUTHORS file in the root of the source tree.
  9. */
  10. #ifndef MODULES_DESKTOP_CAPTURE_RESOLUTION_TRACKER_H_
  11. #define MODULES_DESKTOP_CAPTURE_RESOLUTION_TRACKER_H_
  12. #include "modules/desktop_capture/desktop_geometry.h"
  13. namespace webrtc {
  14. class ResolutionTracker final {
  15. public:
  16. // Sets the resolution to |size|. Returns true if a previous size was recorded
  17. // and differs from |size|.
  18. bool SetResolution(DesktopSize size);
  19. // Resets to the initial state.
  20. void Reset();
  21. private:
  22. DesktopSize last_size_;
  23. bool initialized_ = false;
  24. };
  25. } // namespace webrtc
  26. #endif // MODULES_DESKTOP_CAPTURE_RESOLUTION_TRACKER_H_