chromium/third_party/webrtc/modules/desktop_capture/blank_detector_desktop_capturer_wrapper.h

/*
 *  Copyright (c) 2017 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_BLANK_DETECTOR_DESKTOP_CAPTURER_WRAPPER_H_
#define MODULES_DESKTOP_CAPTURE_BLANK_DETECTOR_DESKTOP_CAPTURER_WRAPPER_H_

#include <memory>

#include "modules/desktop_capture/desktop_capture_types.h"
#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/desktop_frame.h"
#include "modules/desktop_capture/rgba_color.h"
#include "modules/desktop_capture/shared_memory.h"

namespace webrtc {

// A DesktopCapturer wrapper detects the return value of its owned
// DesktopCapturer implementation. If sampled pixels returned by the
// DesktopCapturer implementation all equal to the blank pixel, this wrapper
// returns ERROR_TEMPORARY. If the DesktopCapturer implementation fails for too
// many times, this wrapper returns ERROR_PERMANENT.
class BlankDetectorDesktopCapturerWrapper final
    : public DesktopCapturer,
      public DesktopCapturer::Callback { … };

}  // namespace webrtc

#endif  // MODULES_DESKTOP_CAPTURE_BLANK_DETECTOR_DESKTOP_CAPTURER_WRAPPER_H_