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

/*
 *  Copyright (c) 2016 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_FAKE_DESKTOP_CAPTURER_H_
#define MODULES_DESKTOP_CAPTURE_FAKE_DESKTOP_CAPTURER_H_

#include <memory>

#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/desktop_frame_generator.h"
#include "modules/desktop_capture/shared_memory.h"
#include "rtc_base/system/rtc_export.h"

namespace webrtc {

// A fake implementation of DesktopCapturer or its derived interfaces to
// generate DesktopFrame for testing purpose.
//
// Consumers can provide a FrameGenerator instance to generate instances of
// DesktopFrame to return for each Capture() function call.
// If no FrameGenerator provided, FakeDesktopCapturer will always return a
// nullptr DesktopFrame.
//
// Double buffering is guaranteed by the FrameGenerator. FrameGenerator
// implements in desktop_frame_generator.h guarantee double buffering, they
// creates a new instance of DesktopFrame each time.
class RTC_EXPORT FakeDesktopCapturer : public DesktopCapturer { … };

}  // namespace webrtc

#endif  // MODULES_DESKTOP_CAPTURE_FAKE_DESKTOP_CAPTURER_H_