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platform-external-webrtc/modules/desktop_capture/fallback_desktop_capturer_wrapper.h
Yves Gerey 665174fdbb Reformat the WebRTC code base
Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
2018-06-19 14:00:39 +00:00

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2.6 KiB
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/*
* 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_FALLBACK_DESKTOP_CAPTURER_WRAPPER_H_
#define MODULES_DESKTOP_CAPTURE_FALLBACK_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/shared_memory.h"
namespace webrtc {
// A DesktopCapturer wrapper owns two DesktopCapturer implementations. If the
// main DesktopCapturer fails, it uses the secondary one instead. Two capturers
// are expected to return same SourceList, and the meaning of each SourceId is
// identical, otherwise FallbackDesktopCapturerWrapper may return frames from
// different sources. Using asynchronized DesktopCapturer implementations with
// SharedMemoryFactory is not supported, and may result crash or assertion
// failure.
class FallbackDesktopCapturerWrapper final : public DesktopCapturer,
public DesktopCapturer::Callback {
public:
FallbackDesktopCapturerWrapper(
std::unique_ptr<DesktopCapturer> main_capturer,
std::unique_ptr<DesktopCapturer> secondary_capturer);
~FallbackDesktopCapturerWrapper() 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* sources) override;
bool SelectSource(SourceId id) override;
bool FocusOnSelectedSource() override;
bool IsOccluded(const DesktopVector& pos) override;
private:
// DesktopCapturer::Callback interface.
void OnCaptureResult(Result result,
std::unique_ptr<DesktopFrame> frame) override;
const std::unique_ptr<DesktopCapturer> main_capturer_;
const std::unique_ptr<DesktopCapturer> secondary_capturer_;
std::unique_ptr<SharedMemoryFactory> shared_memory_factory_;
bool main_capturer_permanent_error_ = false;
DesktopCapturer::Callback* callback_ = nullptr;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_FALLBACK_DESKTOP_CAPTURER_WRAPPER_H_