common.c File Reference

Include dependency graph for common.c:

Functions
static xcb_connection_t *	Connect (vlc_object_t *obj, const char *display)
	Connect to the X server.
static const xcb_screen_t *	FindScreen (vlc_object_t *obj, xcb_connection_t *conn, xcb_window_t root)
	Find screen matching a given root window.
static const xcb_screen_t *	FindWindow (vlc_object_t *obj, xcb_connection_t *conn, xcb_window_t xid, uint8_t *restrict pdepth)
vout_window_t *	GetWindow (vout_display_t *vd, xcb_connection_t **restrict pconn, const xcb_screen_t **restrict pscreen, uint8_t *restrict pdepth)
	Create a VLC video X window object, connect to the corresponding X server, find the corresponding X server screen.
void	CheckSHM (vlc_object_t *obj, xcb_connection_t *conn, bool *restrict pshm)
	Check MIT-SHM shared memory support.
int	PictureResourceAlloc (vout_display_t *vd, picture_resource_t *res, size_t size, xcb_connection_t *conn, bool attach)
	Initialize a picture buffer as shared memory, according to the video output format.
void	PictureResourceFree (picture_resource_t *res, xcb_connection_t *conn)
	Release picture private data: detach the shared memory segment.

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Function Documentation

void CheckSHM	(	vlc_object_t *	obj,
		xcb_connection_t *	conn,
		bool *restrict	pshm
	)

Check MIT-SHM shared memory support.

References msg_Err, msg_Warn, and var_CreateGetBool.

static xcb_connection_t* Connect	(	vlc_object_t *	obj,
		const char *	display
	)			[static]

Connect to the X server.

References msg_Dbg, msg_Err, and strndup().

static const xcb_screen_t* FindScreen	(	vlc_object_t *	obj,
		xcb_connection_t *	conn,
		xcb_window_t	root
	)			[static]

Find screen matching a given root window.

References i, msg_Dbg, and msg_Err.

Referenced by FindWindow().

static const xcb_screen_t* FindWindow	(	vlc_object_t *	obj,
		xcb_connection_t *	conn,
		xcb_window_t	xid,
		uint8_t *restrict	pdepth
	)			[static]

References FindScreen(), and msg_Err.

Referenced by DirectXCreateWindow(), DirectXEventProc(), GetWindow(), system_Configure(), system_End(), and WallpaperChange().

vout_window_t* GetWindow	(	vout_display_t *	vd,
		xcb_connection_t **restrict	pconn,
		const xcb_screen_t **restrict	pscreen,
		uint8_t *restrict	pdepth
	)			[read]

Create a VLC video X window object, connect to the corresponding X server, find the corresponding X server screen.

References vout_display_t::cfg, Connect(), vout_window_t::display, vout_display_cfg_t::display, FindWindow(), vout_window_t::handle, vout_display_cfg_t::height, vout_window_cfg_t::height, msg_Err, RegisterMouseEvents(), vout_window_cfg_t::type, var_InheritInteger, VLC_OBJECT, vout_display_DeleteWindow(), vout_display_NewWindow(), VOUT_WINDOW_TYPE_XID, vout_display_cfg_t::width, vout_window_cfg_t::width, vout_window_cfg_t::x, vout_window_t::x11, vout_window_t::xid, and vout_window_cfg_t::y.

int PictureResourceAlloc	(	vout_display_t *	vd,
		picture_resource_t *	res,
		size_t	size,
		xcb_connection_t *	conn,
		bool	attach
	)

Initialize a picture buffer as shared memory, according to the video output format.

If a attach is true, the segment is attached to the X server (MIT-SHM extension).

References CheckError(), msg_Err, msg_Info, picture_resource_t::p, picture_resource_t::p_pixels, picture_resource_t::p_sys, picture_sys_t::segment, VLC_EGENERIC, and VLC_SUCCESS.

Referenced by Pool().

void PictureResourceFree	(	picture_resource_t *	res,
		xcb_connection_t *	conn
	)

Release picture private data: detach the shared memory segment.

References picture_resource_t::p, picture_resource_t::p_pixels, picture_resource_t::p_sys, and picture_sys_t::segment.

Referenced by Pool(), and ResetPictures().