Definitions for x11 capture. More...

#include <bit>
#include <cerrno>
#include <cstdint>
#include <fstream>
#include <ranges>
#include <thread>
#include <utility>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xrandr.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <xcb/shm.h>
#include <xcb/xfixes.h>
#include "cuda.h"
#include "graphics.h"
#include "misc.h"
#include "src/config.h"
#include "src/globals.h"
#include "src/logging.h"
#include "src/platform/common.h"
#include "src/task_pool.h"
#include "src/video.h"
#include "vaapi.h"
#include "x11grab.h"

Include dependency graph for x11grab.cpp:

Classes
struct	platf::shm_attr_t
	X11 shared-memory image dimensions and identifiers. More...
class	platf::shm_data_t
	RAII wrapper that detaches mapped SysV shared memory, with null representing an empty mapping. More...
class	platf::shm_id_t
	RAII wrapper that removes a SysV shared-memory segment. More...
struct	platf::shm_img_t
	X11 shared-memory image and segment ownership. More...
struct	platf::x11_attr_t
	X11 display, window, and attribute handles for capture. More...
struct	platf::x11_img_t
	X11 image wrapper used by the software capture path. More...

Macros
#define	_FN(x, ret, args)
	Macro for FN.

Typedefs
typedef int(*)	platf::x11::CloseDisplay_fn(Display *display)
	Function pointer type for the dynamically loaded X11 entry point.
typedef xcb_connection_t ()	platf::xcb::connect_fn(const char displayname, int screenp)
	Function pointer type for the dynamically loaded X11 entry point.
typedef int(*)	platf::xcb::connection_has_error_fn(xcb_connection_t *c)
	Function pointer type for the dynamically loaded X11 entry point.
using	platf::crtc_info_t = util::dyn_safe_ptr<_XRRCrtcInfo, &x11::rr::FreeCrtcInfo>
	XRandR CRTC info pointer released with XRRFreeCrtcInfo.
typedef void(*)	platf::xcb::disconnect_fn(xcb_connection_t *c)
	Function pointer type for the dynamically loaded X11 entry point.
typedef int(*)	platf::x11::Free_fn(void *data)
	Function pointer type for the dynamically loaded X11 entry point.
typedef void(*)	platf::x11::rr::FreeCrtcInfo_fn(XRRCrtcInfo *crtcInfo)
	Function pointer type for the dynamically loaded X11 entry point.
typedef void(*)	platf::x11::rr::FreeOutputInfo_fn(XRROutputInfo *outputInfo)
	Function pointer type for the dynamically loaded X11 entry point.
typedef void(*)	platf::x11::rr::FreeScreenResources_fn(XRRScreenResources *resources)
	Function pointer type for the dynamically loaded X11 entry point.
typedef std::uint32_t(*)	platf::xcb::generate_id_fn(xcb_connection_t *c)
	Function pointer type for the dynamically loaded X11 entry point.
typedef xcb_query_extension_reply_t ()	platf::xcb::get_extension_data_fn(xcb_connection_t c, xcb_extension_t ext)
	Function pointer type for the dynamically loaded X11 entry point.
typedef xcb_setup_t ()	platf::xcb::get_setup_fn(xcb_connection_t *c)
	Function pointer type for the dynamically loaded X11 entry point.
typedef XRRCrtcInfo ()	platf::x11::rr::GetCrtcInfo_fn(Display dpy, XRRScreenResources resources, RRCrtc crtc)
	Function pointer type for the dynamically loaded X11 entry point.
typedef XFixesCursorImage ()	platf::x11::fix::GetCursorImage_fn(Display *dpy)
	Function pointer type for the dynamically loaded X11 entry point.
typedef XImage ()	platf::x11::GetImage_fn(Display *display, Drawable d, int x, int y, unsigned int width, unsigned int height, unsigned long plane_mask, int format)
	Function pointer type for the dynamically loaded X11 entry point.
typedef XRROutputInfo ()	platf::x11::rr::GetOutputInfo_fn(Display dpy, XRRScreenResources resources, RROutput output)
	Function pointer type for the dynamically loaded X11 entry point.
typedef XRRScreenResources ()	platf::x11::rr::GetScreenResources_fn(Display *dpy, Window window)
	Function pointer type for the dynamically loaded X11 entry point.
typedef Status(*)	platf::x11::GetWindowAttributes_fn(Display display, Window w, XWindowAttributes window_attributes_return)
	Function pointer type for the dynamically loaded X11 entry point.
typedef Status(*)	platf::x11::InitThreads_fn(void)
	Function pointer type for the dynamically loaded X11 entry point.
typedef Display ()	platf::x11::OpenDisplay_fn(_Xconst char *display_name)
	Function pointer type for the dynamically loaded X11 entry point.
using	platf::output_info_t = util::dyn_safe_ptr<_XRROutputInfo, &x11::rr::FreeOutputInfo>
	XRandR output info pointer released with XRRFreeOutputInfo.
using	platf::screen_res_t = util::dyn_safe_ptr<_XRRScreenResources, &x11::rr::FreeScreenResources>
	XRandR screen resources pointer released with XRRFreeScreenResources.
typedef xcb_screen_iterator_t(*)	platf::xcb::setup_roots_iterator_fn(const xcb_setup_t *R)
	Function pointer type for the dynamically loaded X11 entry point.
typedef xcb_void_cookie_t(*)	platf::xcb::shm_attach_fn(xcb_connection_t *c, xcb_shm_seg_t shmseg, uint32_t shmid, uint8_t read_only)
	Function pointer type for the dynamically loaded X11 entry point.
typedef xcb_shm_get_image_reply_t ()	platf::xcb::shm_get_image_reply_fn(xcb_connection_t c, xcb_shm_get_image_cookie_t cookie, xcb_generic_error_t *e)
	Function pointer type for the dynamically loaded X11 entry point.
typedef xcb_shm_get_image_cookie_t(*)	platf::xcb::shm_get_image_unchecked_fn(xcb_connection_t *c, xcb_drawable_t drawable, int16_t x, int16_t y, uint16_t width, uint16_t height, uint32_t plane_mask, uint8_t format, xcb_shm_seg_t shmseg, uint32_t offset)
	Function pointer type for the dynamically loaded X11 entry point.
using	platf::xcb_connect_t = util::dyn_safe_ptr<xcb_connection_t, &xcb::disconnect>
	XCB connection pointer released with xcb_disconnect.
using	platf::xcb_img_t = util::c_ptr<xcb_shm_get_image_reply_t>
	XCB image pointer released with xcb_image_destroy.
using	platf::xcursor_t = util::safe_ptr<XFixesCursorImage, &freeX>
	XFixes cursor image pointer released with XFree.
using	platf::ximg_t = util::safe_ptr<XImage, &freeImage>
	XImage pointer released with XDestroyImage.

Functions
void	platf::x11::freeCursorCtx (cursor_ctx_t::pointer ctx)
	Release cursor context resources.
void	platf::x11::freeDisplay (_XDisplay *xdisplay)
	Release display resources.
void	platf::freeImage (XImage *)
	Release image resources.
void	platf::freeX (XFixesCursorImage *)
	Release x resources.
int	platf::xcb::init ()
	Initialize XFixes cursor tracking for an X11 display.
int	platf::xcb::init_shm ()
	Initialize shared-memory support for X11 capture.
int	platf::load_x11 ()
	Load X11 entry points used by the X11 capture backend.
int	platf::load_xcb ()
	Load XCB entry points used by the X11 capture backend.
xdisplay_t	platf::x11::make_display ()
	Open and initialize the display connection used for capture.
std::shared_ptr< display_t >	platf::x11_display (platf::mem_type_e hwdevice_type, const std::string &display_name, const ::video::config_t &config)
	Create an X11 display capture backend.
std::vector< std::string >	platf::x11_display_names ()
	Enumerate display names accepted by the X11 backend.

Detailed Description

Definitions for x11 capture.

Macro Definition Documentation

◆ _FN

#define _FN	(	x,
		ret,
		args )

Value:

 \
typedef ret(*x##_fn) args; \ \
static x##_fn x

Macro for FN.