Definitions for x11 capture. More...

#include <fstream>
#include <thread>
#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. 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.