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/*
* Copyright 2018 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_LINUX_WAYLAND_BASE_CAPTURER_PIPEWIRE_H_
#define MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_BASE_CAPTURER_PIPEWIRE_H_
#include "modules/desktop_capture/delegated_source_list_controller.h"
#include "modules/desktop_capture/desktop_capture_options.h"
#include "modules/desktop_capture/desktop_capturer.h"
#include "modules/desktop_capture/linux/wayland/screen_capture_portal_interface.h"
#include "modules/desktop_capture/linux/wayland/screencast_portal.h"
#include "modules/desktop_capture/linux/wayland/shared_screencast_stream.h"
#include "modules/portal/portal_request_response.h"
#include "modules/portal/xdg_desktop_portal_utils.h"
#include "modules/portal/xdg_session_details.h"
namespace webrtc {
class RTC_EXPORT BaseCapturerPipeWire
: public DesktopCapturer,
public DelegatedSourceListController,
public ScreenCastPortal::PortalNotifier {
public:
// Returns whether or not the current system can support capture via PipeWire.
// This will only be true on Wayland systems that also have PipeWire
// available, and thus may require dlopening PipeWire to determine if it is
// available.
static bool IsSupported();
BaseCapturerPipeWire(const DesktopCaptureOptions& options, CaptureType type);
BaseCapturerPipeWire(
const DesktopCaptureOptions& options,
std::unique_ptr<xdg_portal::ScreenCapturePortalInterface> portal);
~BaseCapturerPipeWire() override;
BaseCapturerPipeWire(const BaseCapturerPipeWire&) = delete;
BaseCapturerPipeWire& operator=(const BaseCapturerPipeWire&) = delete;
// DesktopCapturer interface.
void Start(Callback* delegate) override;
void CaptureFrame() override;
bool GetSourceList(SourceList* sources) override;
bool SelectSource(SourceId id) override;
DelegatedSourceListController* GetDelegatedSourceListController() override;
void SetMaxFrameRate(uint32_t max_frame_rate) override;
// DelegatedSourceListController
void Observe(Observer* observer) override;
void EnsureVisible() override;
void EnsureHidden() override;
// ScreenCastPortal::PortalNotifier interface.
void OnScreenCastRequestResult(xdg_portal::RequestResponse result,
uint32_t stream_node_id,
int fd) override;
void OnScreenCastSessionClosed() override;
void UpdateResolution(uint32_t width, uint32_t height) override;
xdg_portal::SessionDetails GetSessionDetails();
// Notifies the callback about the available frames as soon as a frame is
// received.
void SendFramesImmediately(bool send_frames_immediately);
private:
ScreenCastPortal* GetScreenCastPortal();
DesktopCaptureOptions options_ = {};
Callback* callback_ = nullptr;
bool send_frames_immediately_ = false;
bool capturer_failed_ = false;
bool is_screencast_portal_ = false;
bool is_portal_open_ = false;
Observer* delegated_source_list_observer_ = nullptr;
// SourceId that is selected using SelectSource() and that we previously
// returned in GetSourceList(). This should be a SourceId that has a restore
// token associated with it and can be restored if we have required version
// of xdg-desktop-portal.
SourceId selected_source_id_ = 0;
// SourceID we randomly generate and that is returned in GetSourceList() as
// available source that will later get assigned to a restore token in order
// to be restored later using SelectSource().
SourceId source_id_ = 0;
std::unique_ptr<xdg_portal::ScreenCapturePortalInterface> portal_;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_BASE_CAPTURER_PIPEWIRE_H_
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