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/*
* Copyright (c) 2013 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_DESKTOP_CAPTURE_OPTIONS_H_
#define MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURE_OPTIONS_H_
#include "api/scoped_refptr.h"
#include "rtc_base/system/rtc_export.h"
#if defined(WEBRTC_USE_X11)
#include "modules/desktop_capture/linux/x11/shared_x_display.h"
#endif
#if defined(WEBRTC_USE_PIPEWIRE)
#include "modules/desktop_capture/linux/wayland/shared_screencast_stream.h"
#endif
#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
#include "modules/desktop_capture/mac/desktop_configuration_monitor.h"
#endif
#include "modules/desktop_capture/full_screen_window_detector.h"
namespace webrtc {
// An object that stores initialization parameters for screen and window
// capturers.
class RTC_EXPORT DesktopCaptureOptions {
public:
// Returns instance of DesktopCaptureOptions with default parameters. On Linux
// also initializes X window connection. x_display() will be set to null if
// X11 connection failed (e.g. DISPLAY isn't set).
static DesktopCaptureOptions CreateDefault();
DesktopCaptureOptions();
DesktopCaptureOptions(const DesktopCaptureOptions& options);
DesktopCaptureOptions(DesktopCaptureOptions&& options);
~DesktopCaptureOptions();
DesktopCaptureOptions& operator=(const DesktopCaptureOptions& options);
DesktopCaptureOptions& operator=(DesktopCaptureOptions&& options);
#if defined(WEBRTC_USE_X11)
const rtc::scoped_refptr<SharedXDisplay>& x_display() const {
return x_display_;
}
void set_x_display(rtc::scoped_refptr<SharedXDisplay> x_display) {
x_display_ = x_display;
}
#endif
#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
// TODO(zijiehe): Remove both DesktopConfigurationMonitor and
// FullScreenChromeWindowDetector out of DesktopCaptureOptions. It's not
// reasonable for external consumers to set these two parameters.
const rtc::scoped_refptr<DesktopConfigurationMonitor>& configuration_monitor()
const {
return configuration_monitor_;
}
// If nullptr is set, ScreenCapturer won't work and WindowCapturer may return
// inaccurate result from IsOccluded() function.
void set_configuration_monitor(
rtc::scoped_refptr<DesktopConfigurationMonitor> m) {
configuration_monitor_ = m;
}
bool allow_iosurface() const { return allow_iosurface_; }
void set_allow_iosurface(bool allow) { allow_iosurface_ = allow; }
#endif
const rtc::scoped_refptr<FullScreenWindowDetector>&
full_screen_window_detector() const {
return full_screen_window_detector_;
}
void set_full_screen_window_detector(
rtc::scoped_refptr<FullScreenWindowDetector> detector) {
full_screen_window_detector_ = detector;
}
// Flag indicating that the capturer should use screen change notifications.
// Enables/disables use of XDAMAGE in the X11 capturer.
bool use_update_notifications() const { return use_update_notifications_; }
void set_use_update_notifications(bool use_update_notifications) {
use_update_notifications_ = use_update_notifications;
}
// Flag indicating if desktop effects (e.g. Aero) should be disabled when the
// capturer is active. Currently used only on Windows.
bool disable_effects() const { return disable_effects_; }
void set_disable_effects(bool disable_effects) {
disable_effects_ = disable_effects;
}
// Flag that should be set if the consumer uses updated_region() and the
// capturer should try to provide correct updated_region() for the frames it
// generates (e.g. by comparing each frame with the previous one).
bool detect_updated_region() const { return detect_updated_region_; }
void set_detect_updated_region(bool detect_updated_region) {
detect_updated_region_ = detect_updated_region;
}
// Indicates that the capturer should try to include the cursor in the frame.
// If it is able to do so it will set `DesktopFrame::may_contain_cursor()`.
// Not all capturers will support including the cursor. If this value is false
// or the cursor otherwise cannot be included in the frame, then cursor
// metadata will be sent, though the capturer may choose to always send cursor
// metadata.
bool prefer_cursor_embedded() const { return prefer_cursor_embedded_; }
void set_prefer_cursor_embedded(bool prefer_cursor_embedded) {
prefer_cursor_embedded_ = prefer_cursor_embedded;
}
#if defined(WEBRTC_WIN)
// Enumerating windows owned by the current process on Windows has some
// complications due to |GetWindowText*()| APIs potentially causing a
// deadlock (see the comments in the `GetWindowListHandler()` function in
// window_capture_utils.cc for more details on the deadlock).
// To avoid this issue, consumers can either ensure that the thread that runs
// their message loop never waits on `GetSourceList()`, or they can set this
// flag to false which will prevent windows running in the current process
// from being enumerated and included in the results. Consumers can still
// provide the WindowId for their own windows to `SelectSource()` and capture
// them.
bool enumerate_current_process_windows() const {
return enumerate_current_process_windows_;
}
void set_enumerate_current_process_windows(
bool enumerate_current_process_windows) {
enumerate_current_process_windows_ = enumerate_current_process_windows;
}
bool allow_use_magnification_api() const {
return allow_use_magnification_api_;
}
void set_allow_use_magnification_api(bool allow) {
allow_use_magnification_api_ = allow;
}
// Allowing directx based capturer or not, this capturer works on windows 7
// with platform update / windows 8 or upper.
bool allow_directx_capturer() const { return allow_directx_capturer_; }
void set_allow_directx_capturer(bool enabled) {
allow_directx_capturer_ = enabled;
}
// Flag that may be set to allow use of the cropping window capturer (which
// captures the screen & crops that to the window region in some cases). An
// advantage of using this is significantly higher capture frame rates than
// capturing the window directly. A disadvantage of using this is the
// possibility of capturing unrelated content (e.g. overlapping windows that
// aren't detected properly, or neighboring regions when moving/resizing the
// captured window). Note: this flag influences the behavior of calls to
// DesktopCapturer::CreateWindowCapturer; calls to
// CroppingWindowCapturer::CreateCapturer ignore the flag (treat it as true).
bool allow_cropping_window_capturer() const {
return allow_cropping_window_capturer_;
}
void set_allow_cropping_window_capturer(bool allow) {
allow_cropping_window_capturer_ = allow;
}
#if defined(RTC_ENABLE_WIN_WGC)
// This flag enables the WGC capturer for both window and screen capture.
// This capturer should offer similar or better performance than the cropping
// capturer without the disadvantages listed above. However, the WGC capturer
// is only available on Windows 10 version 1809 (Redstone 5) and up. This flag
// will have no affect on older versions.
// If set, and running a supported version of Win10, this flag will take
// precedence over the cropping, directx, and magnification flags.
bool allow_wgc_capturer() const { return allow_wgc_capturer_; }
void set_allow_wgc_capturer(bool allow) { allow_wgc_capturer_ = allow; }
// This flag enables the WGC capturer for fallback capturer.
// The flag is useful when the first capturer (eg. WindowCapturerWinGdi) is
// unreliable in certain devices where WGC is supported, but not used by
// default.
bool allow_wgc_capturer_fallback() const {
return allow_wgc_capturer_fallback_;
}
void set_allow_wgc_capturer_fallback(bool allow) {
allow_wgc_capturer_fallback_ = allow;
}
#endif // defined(RTC_ENABLE_WIN_WGC)
#endif // defined(WEBRTC_WIN)
#if defined(WEBRTC_USE_PIPEWIRE)
bool allow_pipewire() const { return allow_pipewire_; }
void set_allow_pipewire(bool allow) { allow_pipewire_ = allow; }
const rtc::scoped_refptr<SharedScreenCastStream>& screencast_stream() const {
return screencast_stream_;
}
void set_screencast_stream(
rtc::scoped_refptr<SharedScreenCastStream> stream) {
screencast_stream_ = stream;
}
void set_width(uint32_t width) { width_ = width; }
uint32_t get_width() const { return width_; }
void set_height(uint32_t height) { height_ = height; }
uint32_t get_height() const { return height_; }
void set_pipewire_use_damage_region(bool use_damage_regions) {
pipewire_use_damage_region_ = use_damage_regions;
}
bool pipewire_use_damage_region() const {
return pipewire_use_damage_region_;
}
#endif
private:
#if defined(WEBRTC_USE_X11)
rtc::scoped_refptr<SharedXDisplay> x_display_;
#endif
#if defined(WEBRTC_USE_PIPEWIRE)
// An instance of shared PipeWire ScreenCast stream we share between
// BaseCapturerPipeWire and MouseCursorMonitorPipeWire as cursor information
// is sent together with screen content.
rtc::scoped_refptr<SharedScreenCastStream> screencast_stream_;
#endif
#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
rtc::scoped_refptr<DesktopConfigurationMonitor> configuration_monitor_;
bool allow_iosurface_ = false;
#endif
rtc::scoped_refptr<FullScreenWindowDetector> full_screen_window_detector_;
#if defined(WEBRTC_WIN)
bool enumerate_current_process_windows_ = true;
bool allow_use_magnification_api_ = false;
bool allow_directx_capturer_ = false;
bool allow_cropping_window_capturer_ = false;
#if defined(RTC_ENABLE_WIN_WGC)
bool allow_wgc_capturer_ = false;
bool allow_wgc_capturer_fallback_ = false;
#endif
#endif
#if defined(WEBRTC_USE_X11)
bool use_update_notifications_ = false;
#else
bool use_update_notifications_ = true;
#endif
bool disable_effects_ = true;
bool detect_updated_region_ = false;
bool prefer_cursor_embedded_ = false;
#if defined(WEBRTC_USE_PIPEWIRE)
bool allow_pipewire_ = false;
bool pipewire_use_damage_region_ = true;
uint32_t width_ = 0;
uint32_t height_ = 0;
#endif
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURE_OPTIONS_H_