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Add gst_vaapi_window_set_fullscreen() API.

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This commit is contained in:
gb 2010-03-22 10:51:49 +00:00
parent 57c69b85eb
commit b8daf624c5
4 changed files with 165 additions and 23 deletions
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1
docs/reference/libs/libs-sections.txt
View file

@ -161,6 +161,7 @@ GstVaapiWindow
GstVaapiWindowClass
gst_vaapi_window_show
gst_vaapi_window_hide
gst_vaapi_window_set_fullscreen
gst_vaapi_window_get_width
gst_vaapi_window_get_height
gst_vaapi_window_get_size

28
gst-libs/gst/vaapi/gstvaapiwindow.c
View file

@ -37,9 +37,10 @@ G_DEFINE_TYPE(GstVaapiWindow, gst_vaapi_window, G_TYPE_OBJECT);
GstVaapiWindowPrivate))
struct _GstVaapiWindowPrivate {
gboolean is_constructed;
guint width;
guint height;
gboolean is_constructed : 1;
guint is_fullscreen : 1;
};
enum {
@ -179,9 +180,10 @@ gst_vaapi_window_init(GstVaapiWindow *window)
GstVaapiWindowPrivate *priv = GST_VAAPI_WINDOW_GET_PRIVATE(window);
window->priv = priv;
priv->is_constructed = FALSE;
priv->width = 1;
priv->height = 1;
priv->is_constructed = FALSE;
priv->is_fullscreen = FALSE;
}
/**
@ -216,6 +218,28 @@ gst_vaapi_window_hide(GstVaapiWindow *window)
GST_VAAPI_WINDOW_GET_CLASS(window)->hide(window);
}
/**
* gst_vaapi_window_set_fullscreen:
* @window: a #GstVaapiWindow
* @fullscreen: %TRUE to request window to get fullscreen
*
* Requests to place the @window in fullscreen or unfullscreen states.
*/
void
gst_vaapi_window_set_fullscreen(GstVaapiWindow *window, gboolean fullscreen)
{
GstVaapiWindowClass *klass;
g_return_if_fail(GST_VAAPI_IS_WINDOW(window));
klass = GST_VAAPI_WINDOW_GET_CLASS(window);
if (window->priv->is_fullscreen != fullscreen && klass->set_fullscreen) {
klass->set_fullscreen(window, fullscreen);
window->priv->is_fullscreen = fullscreen;
}
}
/**
* gst_vaapi_window_get_width:
* @window: a #GstVaapiWindow

5
gst-libs/gst/vaapi/gstvaapiwindow.h
View file

@ -73,6 +73,7 @@ struct _GstVaapiWindow {
* @destroy: virtual function to destroy a window
* @show: virtual function to show (map) a window
* @hide: virtual function to hide (unmap) a window
* @set_fullscreen: virtual function to change window fullscreen state
* @resize: virtual function to resize a window
* @render: virtual function to render a #GstVaapiSurface into a window
*
@ -87,6 +88,7 @@ struct _GstVaapiWindowClass {
void (*destroy)(GstVaapiWindow *window);
gboolean (*show) (GstVaapiWindow *window);
gboolean (*hide) (GstVaapiWindow *window);
gboolean (*set_fullscreen)(GstVaapiWindow *window, gboolean fullscreen);
gboolean (*resize) (GstVaapiWindow *window, guint width, guint height);
gboolean (*render) (GstVaapiWindow *window,
GstVaapiSurface *surface,
@ -104,6 +106,9 @@ gst_vaapi_window_show(GstVaapiWindow *window);
void
gst_vaapi_window_hide(GstVaapiWindow *window);
void
gst_vaapi_window_set_fullscreen(GstVaapiWindow *window, gboolean fullscreen);
guint
gst_vaapi_window_get_width(GstVaapiWindow *window);

124
gst-libs/gst/vaapi/gstvaapiwindow_x11.c
View file

@ -24,6 +24,8 @@
*/
#include "config.h"
#include <string.h>
#include <X11/Xatom.h>
#include "gstvaapiwindow_x11.h"
#include "gstvaapidisplay_x11.h"
#include "gstvaapiutils_x11.h"
@ -41,8 +43,11 @@ G_DEFINE_TYPE(GstVaapiWindowX11, gst_vaapi_window_x11, GST_VAAPI_TYPE_WINDOW);
struct _GstVaapiWindowX11Private {
GstVaapiDisplay *display;
Window xid;
Atom atom_NET_WM_STATE;
Atom atom_NET_WM_STATE_FULLSCREEN;
guint create_window : 1;
guint is_visible : 1;
guint is_mapped : 1;
guint fullscreen_on_map : 1;
};
enum {
@ -52,6 +57,45 @@ enum {
PROP_XID,
};
#define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
#define _NET_WM_STATE_ADD 1 /* add/set property */
#define _NET_WM_STATE_TOGGLE 2 /* toggle property */
static gboolean
send_wmspec_change_state(GstVaapiWindowX11 *window, Atom state, gboolean add)
{
GstVaapiWindowX11Private * const priv = window->priv;
Display * const dpy = GST_VAAPI_DISPLAY_XDISPLAY(priv->display);
gboolean has_errors;
XClientMessageEvent xclient;
memset(&xclient, 0, sizeof(xclient));
xclient.type = ClientMessage;
xclient.window = priv->xid;
xclient.message_type = priv->atom_NET_WM_STATE;
xclient.format = 32;
xclient.data.l[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
xclient.data.l[1] = state;
xclient.data.l[2] = 0;
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
GST_VAAPI_DISPLAY_LOCK(priv->display);
x11_trap_errors();
XSendEvent(
dpy,
DefaultRootWindow(dpy),
False,
SubstructureRedirectMask|SubstructureNotifyMask,
(XEvent *)&xclient
);
has_errors = x11_untrap_errors() != 0;
GST_VAAPI_DISPLAY_UNLOCK(priv->display);
return !has_errors;
}
static gboolean
gst_vaapi_window_x11_show(GstVaapiWindow *window)
{
@ -59,7 +103,7 @@ gst_vaapi_window_x11_show(GstVaapiWindow *window)
Display * const dpy = GST_VAAPI_DISPLAY_XDISPLAY(priv->display);
gboolean has_errors;
if (priv->is_visible)
if (priv->is_mapped)
return TRUE;
GST_VAAPI_DISPLAY_LOCK(priv->display);
@ -72,7 +116,7 @@ gst_vaapi_window_x11_show(GstVaapiWindow *window)
if (has_errors)
return FALSE;
priv->is_visible = TRUE;
priv->is_mapped = TRUE;
return TRUE;
}
@ -83,7 +127,7 @@ gst_vaapi_window_x11_hide(GstVaapiWindow *window)
Display * const dpy = GST_VAAPI_DISPLAY_XDISPLAY(priv->display);
gboolean has_errors;
if (!priv->is_visible)
if (!priv->is_mapped)
return TRUE;
GST_VAAPI_DISPLAY_LOCK(priv->display);
@ -96,7 +140,7 @@ gst_vaapi_window_x11_hide(GstVaapiWindow *window)
if (has_errors)
return FALSE;
priv->is_visible = FALSE;
priv->is_mapped = FALSE;
return TRUE;
}
@ -105,8 +149,14 @@ gst_vaapi_window_x11_create(GstVaapiWindow *window, guint *width, guint *height)
{
GstVaapiWindowX11Private * const priv = GST_VAAPI_WINDOW_X11(window)->priv;
Display * const dpy = GST_VAAPI_DISPLAY_XDISPLAY(priv->display);
Atom atoms[2];
gboolean ok;
static const char *atom_names[2] = {
"_NET_WM_STATE",
"_NET_WM_STATE_FULLSCREEN",
};
if (!priv->create_window && priv->xid) {
GST_VAAPI_DISPLAY_LOCK(priv->display);
ok = x11_get_geometry(dpy, priv->xid, NULL, NULL, width, height);
@ -115,6 +165,10 @@ gst_vaapi_window_x11_create(GstVaapiWindow *window, guint *width, guint *height)
}
GST_VAAPI_DISPLAY_LOCK(priv->display);
XInternAtoms(dpy, (char **)atom_names, G_N_ELEMENTS(atom_names), False, atoms);
priv->atom_NET_WM_STATE = atoms[0];
priv->atom_NET_WM_STATE_FULLSCREEN = atoms[1];
priv->xid = x11_create_window(dpy, *width, *height);
if (priv->xid)
XRaiseWindow(dpy, priv->xid);
@ -143,6 +197,62 @@ gst_vaapi_window_x11_destroy(GstVaapiWindow *window)
}
}
static gboolean
gst_vaapi_window_x11_set_fullscreen(GstVaapiWindow *window, gboolean fullscreen)
{
GstVaapiWindowX11Private * const priv = GST_VAAPI_WINDOW_X11(window)->priv;
Display * const dpy = GST_VAAPI_DISPLAY_XDISPLAY(priv->display);
gboolean has_errors;
if (fullscreen) {
if (!priv->is_mapped) {
priv->fullscreen_on_map = TRUE;
GST_VAAPI_DISPLAY_LOCK(priv->display);
x11_trap_errors();
XChangeProperty(
dpy,
priv->xid,
priv->atom_NET_WM_STATE, XA_ATOM, 32,
PropModeReplace,
(unsigned char *)&priv->atom_NET_WM_STATE_FULLSCREEN, 1
);
has_errors = x11_untrap_errors() != 0;
GST_VAAPI_DISPLAY_UNLOCK(priv->display);
}
else {
has_errors = !send_wmspec_change_state(
GST_VAAPI_WINDOW_X11(window),
priv->atom_NET_WM_STATE_FULLSCREEN,
TRUE
);
}
}
else {
if (!priv->is_mapped) {
priv->fullscreen_on_map = FALSE;
GST_VAAPI_DISPLAY_LOCK(priv->display);
x11_trap_errors();
XDeleteProperty(
dpy,
priv->xid,
priv->atom_NET_WM_STATE
);
has_errors = x11_untrap_errors() != 0;
GST_VAAPI_DISPLAY_UNLOCK(priv->display);
}
else {
has_errors = !send_wmspec_change_state(
GST_VAAPI_WINDOW_X11(window),
priv->atom_NET_WM_STATE_FULLSCREEN,
FALSE
);
}
}
return !has_errors;
}
static gboolean
gst_vaapi_window_x11_resize(GstVaapiWindow *window, guint width, guint height)
{
@ -291,6 +401,7 @@ gst_vaapi_window_x11_class_init(GstVaapiWindowX11Class *klass)
window_class->destroy = gst_vaapi_window_x11_destroy;
window_class->show = gst_vaapi_window_x11_show;
window_class->hide = gst_vaapi_window_x11_hide;
window_class->set_fullscreen = gst_vaapi_window_x11_set_fullscreen;
window_class->resize = gst_vaapi_window_x11_resize;
window_class->render = gst_vaapi_window_x11_render;
@ -332,7 +443,8 @@ gst_vaapi_window_x11_init(GstVaapiWindowX11 *window)
priv->display = NULL;
priv->xid = None;
priv->create_window = TRUE;
priv->is_visible = FALSE;
priv->is_mapped = FALSE;
priv->fullscreen_on_map = FALSE;
}
/**