text: /*
   *  Copyright 2022 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #ifndef MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_
  #define MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_
  
  #include <memory>
  
  #include "api/ref_counted_base.h"
  #include "api/scoped_refptr.h"
  #include "modules/desktop_capture/desktop_frame.h"
  #include "rtc_base/system/rtc_export.h"
  
  namespace webrtc {
  
  class SharedScreenCastStreamPrivate;
  
  class RTC_EXPORT SharedScreenCastStream
      : public rtc::RefCountedNonVirtual<SharedScreenCastStream> {
   public:
    static rtc::scoped_refptr<SharedScreenCastStream> CreateDefault();
  
    bool StartScreenCastStream(uint32_t stream_node_id, int fd);
    void StopScreenCastStream();
    std::unique_ptr<BasicDesktopFrame> CaptureFrame();
  
    ~SharedScreenCastStream();
  
   protected:
    SharedScreenCastStream();
  
   private:
    SharedScreenCastStream(const SharedScreenCastStream&) = delete;
    SharedScreenCastStream& operator=(const SharedScreenCastStream&) = delete;
  
    std::unique_ptr<SharedScreenCastStreamPrivate> private_;
  };
  
  }  // namespace webrtc
  
  #endif  // MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_SHARED_SCREENCAST_STREAM_H_
  