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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_PROTOCOL_FAKE_DESKTOP_CAPTURER_H_
#define REMOTING_PROTOCOL_FAKE_DESKTOP_CAPTURER_H_
#include <memory>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "remoting/protocol/desktop_capturer.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
#include "third_party/webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
#include "third_party/webrtc/modules/desktop_capture/shared_desktop_frame.h"
namespace remoting::protocol {
// A FakeDesktopCapturer which generates an artificial image for testing.
//
// FakeDesktopCapturer is double-buffered as required by DesktopCapturer.
class FakeDesktopCapturer : public DesktopCapturer {
public:
// By default FakeDesktopCapturer generates frames of size kWidth x kHeight,
// but custom frame generator set using set_frame_generator() may generate
// frames of a different size.
static const int kWidth = 800;
static const int kHeight = 600;
using FrameGenerator =
base::RepeatingCallback<std::unique_ptr<webrtc::DesktopFrame>(
webrtc::SharedMemoryFactory* shared_memory_factory)>;
FakeDesktopCapturer();
FakeDesktopCapturer(const FakeDesktopCapturer&) = delete;
FakeDesktopCapturer& operator=(const FakeDesktopCapturer&) = delete;
~FakeDesktopCapturer() override;
void set_frame_generator(FrameGenerator frame_generator);
// webrtc::DesktopCapturer interface.
void Start(Callback* callback) override;
void SetSharedMemoryFactory(std::unique_ptr<webrtc::SharedMemoryFactory>
shared_memory_factory) override;
void CaptureFrame() override;
bool GetSourceList(SourceList* sources) override;
bool SelectSource(SourceId id) override;
private:
FrameGenerator frame_generator_;
raw_ptr<Callback> callback_;
std::unique_ptr<webrtc::SharedMemoryFactory> shared_memory_factory_;
};
} // namespace remoting::protocol
#endif // REMOTING_PROTOCOL_FAKE_DESKTOP_CAPTURER_H_
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