blob: 6ebb5d7bc322fce439b5004187612c281d4609e6 [file] [log] [blame]
* 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.
#include <memory>
#if defined(WEBRTC_USE_GIO)
#include "modules/desktop_capture/desktop_capture_metadata.h"
#endif // defined(WEBRTC_USE_GIO)
#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/desktop_geometry.h"
#include "modules/desktop_capture/shared_desktop_frame.h"
#include "modules/desktop_capture/shared_memory.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
// DesktopCapturer wrapper that calculates updated_region() by comparing frames
// content. This class always expects the underlying DesktopCapturer
// implementation returns a superset of updated regions in DestkopFrame. If a
// DesktopCapturer implementation does not know the updated region, it should
// set updated_region() to full frame.
// This class marks entire frame as updated if the frame size or frame stride
// has been changed.
class RTC_EXPORT DesktopCapturerDifferWrapper
: public DesktopCapturer,
public DesktopCapturer::Callback {
// Creates a DesktopCapturerDifferWrapper with a DesktopCapturer
// implementation, and takes its ownership.
explicit DesktopCapturerDifferWrapper(
std::unique_ptr<DesktopCapturer> base_capturer);
~DesktopCapturerDifferWrapper() override;
// DesktopCapturer interface.
void Start(DesktopCapturer::Callback* callback) override;
void SetSharedMemoryFactory(
std::unique_ptr<SharedMemoryFactory> shared_memory_factory) override;
void CaptureFrame() override;
void SetExcludedWindow(WindowId window) override;
bool GetSourceList(SourceList* screens) override;
bool SelectSource(SourceId id) override;
bool FocusOnSelectedSource() override;
bool IsOccluded(const DesktopVector& pos) override;
#if defined(WEBRTC_USE_GIO)
DesktopCaptureMetadata GetMetadata() override;
#endif // defined(WEBRTC_USE_GIO)
// DesktopCapturer::Callback interface.
void OnCaptureResult(Result result,
std::unique_ptr<DesktopFrame> frame) override;
const std::unique_ptr<DesktopCapturer> base_capturer_;
DesktopCapturer::Callback* callback_;
std::unique_ptr<SharedDesktopFrame> last_frame_;
} // namespace webrtc