mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 02:30:35 +00:00
432 lines
12 KiB
C
432 lines
12 KiB
C
/*
|
|
* gstvaapidisplay_x11.c - VA/X11 display abstraction
|
|
*
|
|
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* SECTION:gstvaapidisplay_x11
|
|
* @short_description: VA/X11 display abstraction
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "gstvaapiutils.h"
|
|
#include "gstvaapidisplay_priv.h"
|
|
#include "gstvaapidisplay_x11.h"
|
|
#include "gstvaapidisplay_x11_priv.h"
|
|
|
|
#define DEBUG 1
|
|
#include "gstvaapidebug.h"
|
|
|
|
G_DEFINE_TYPE(GstVaapiDisplayX11,
|
|
gst_vaapi_display_x11,
|
|
GST_VAAPI_TYPE_DISPLAY);
|
|
|
|
enum {
|
|
PROP_0,
|
|
|
|
PROP_SYNCHRONOUS,
|
|
PROP_DISPLAY_NAME,
|
|
PROP_X11_DISPLAY,
|
|
PROP_X11_SCREEN
|
|
};
|
|
|
|
static void
|
|
gst_vaapi_display_x11_finalize(GObject *object)
|
|
{
|
|
G_OBJECT_CLASS(gst_vaapi_display_x11_parent_class)->finalize(object);
|
|
}
|
|
|
|
static void
|
|
set_display_name(GstVaapiDisplayX11 *display, const gchar *display_name)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv = display->priv;
|
|
|
|
g_free(priv->display_name);
|
|
|
|
if (display_name)
|
|
priv->display_name = g_strdup(display_name);
|
|
else
|
|
priv->display_name = NULL;
|
|
}
|
|
|
|
static void
|
|
set_synchronous(GstVaapiDisplayX11 *display, gboolean synchronous)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv = display->priv;
|
|
|
|
if (priv->synchronous != synchronous) {
|
|
priv->synchronous = synchronous;
|
|
if (priv->x11_display)
|
|
XSynchronize(priv->x11_display, synchronous);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_set_property(
|
|
GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec
|
|
)
|
|
{
|
|
GstVaapiDisplayX11 * const display = GST_VAAPI_DISPLAY_X11(object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_SYNCHRONOUS:
|
|
set_synchronous(display, g_value_get_boolean(value));
|
|
break;
|
|
case PROP_DISPLAY_NAME:
|
|
set_display_name(display, g_value_get_string(value));
|
|
break;
|
|
case PROP_X11_DISPLAY:
|
|
display->priv->x11_display = g_value_get_pointer(value);
|
|
break;
|
|
case PROP_X11_SCREEN:
|
|
display->priv->x11_screen = g_value_get_int(value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_get_property(
|
|
GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec
|
|
)
|
|
{
|
|
GstVaapiDisplayX11 * const display = GST_VAAPI_DISPLAY_X11(object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_SYNCHRONOUS:
|
|
g_value_set_boolean(value, display->priv->synchronous);
|
|
break;
|
|
case PROP_DISPLAY_NAME:
|
|
g_value_set_string(value, display->priv->display_name);
|
|
break;
|
|
case PROP_X11_DISPLAY:
|
|
g_value_set_pointer(value, gst_vaapi_display_x11_get_display(display));
|
|
break;
|
|
case PROP_X11_SCREEN:
|
|
g_value_set_int(value, gst_vaapi_display_x11_get_screen(display));
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_constructed(GObject *object)
|
|
{
|
|
GstVaapiDisplayX11 * const display = GST_VAAPI_DISPLAY_X11(object);
|
|
GObjectClass *parent_class;
|
|
|
|
display->priv->create_display = display->priv->x11_display == NULL;
|
|
|
|
/* Reset display-name if the user provided his own X11 display */
|
|
if (!display->priv->create_display)
|
|
set_display_name(display, XDisplayString(display->priv->x11_display));
|
|
|
|
parent_class = G_OBJECT_CLASS(gst_vaapi_display_x11_parent_class);
|
|
if (parent_class->constructed)
|
|
parent_class->constructed(object);
|
|
}
|
|
|
|
static gboolean
|
|
gst_vaapi_display_x11_open_display(GstVaapiDisplay *display)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv =
|
|
GST_VAAPI_DISPLAY_X11(display)->priv;
|
|
|
|
/* XXX: maintain an X11 display cache */
|
|
if (priv->create_display) {
|
|
priv->x11_display = XOpenDisplay(priv->display_name);
|
|
if (!priv->x11_display)
|
|
return FALSE;
|
|
priv->x11_screen = DefaultScreen(priv->x11_display);
|
|
}
|
|
if (!priv->x11_display)
|
|
return FALSE;
|
|
|
|
if (priv->synchronous)
|
|
XSynchronize(priv->x11_display, True);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_close_display(GstVaapiDisplay *display)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv =
|
|
GST_VAAPI_DISPLAY_X11(display)->priv;
|
|
|
|
if (priv->x11_display) {
|
|
if (priv->create_display)
|
|
XCloseDisplay(priv->x11_display);
|
|
priv->x11_display = NULL;
|
|
}
|
|
|
|
if (priv->display_name) {
|
|
g_free(priv->display_name);
|
|
priv->display_name = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_sync(GstVaapiDisplay *display)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv =
|
|
GST_VAAPI_DISPLAY_X11(display)->priv;
|
|
|
|
if (priv->x11_display) {
|
|
GST_VAAPI_DISPLAY_LOCK(display);
|
|
XSync(priv->x11_display, False);
|
|
GST_VAAPI_DISPLAY_UNLOCK(display);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_flush(GstVaapiDisplay *display)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv =
|
|
GST_VAAPI_DISPLAY_X11(display)->priv;
|
|
|
|
if (priv->x11_display) {
|
|
GST_VAAPI_DISPLAY_LOCK(display);
|
|
XFlush(priv->x11_display);
|
|
GST_VAAPI_DISPLAY_UNLOCK(display);
|
|
}
|
|
}
|
|
|
|
static VADisplay
|
|
gst_vaapi_display_x11_get_va_display(GstVaapiDisplay *display)
|
|
{
|
|
return vaGetDisplay(GST_VAAPI_DISPLAY_XDISPLAY(display));
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_get_size(
|
|
GstVaapiDisplay *display,
|
|
guint *pwidth,
|
|
guint *pheight
|
|
)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv =
|
|
GST_VAAPI_DISPLAY_X11(display)->priv;
|
|
|
|
if (!priv->x11_display)
|
|
return;
|
|
|
|
if (pwidth)
|
|
*pwidth = DisplayWidth(priv->x11_display, priv->x11_screen);
|
|
|
|
if (pheight)
|
|
*pheight = DisplayHeight(priv->x11_display, priv->x11_screen);
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_get_size_mm(
|
|
GstVaapiDisplay *display,
|
|
guint *pwidth,
|
|
guint *pheight
|
|
)
|
|
{
|
|
GstVaapiDisplayX11Private * const priv =
|
|
GST_VAAPI_DISPLAY_X11(display)->priv;
|
|
|
|
if (!priv->x11_display)
|
|
return;
|
|
|
|
if (pwidth)
|
|
*pwidth = DisplayWidthMM(priv->x11_display, priv->x11_screen);
|
|
|
|
if (pheight)
|
|
*pheight = DisplayHeightMM(priv->x11_display, priv->x11_screen);
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_class_init(GstVaapiDisplayX11Class *klass)
|
|
{
|
|
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
|
|
GstVaapiDisplayClass * const dpy_class = GST_VAAPI_DISPLAY_CLASS(klass);
|
|
|
|
g_type_class_add_private(klass, sizeof(GstVaapiDisplayX11Private));
|
|
|
|
object_class->finalize = gst_vaapi_display_x11_finalize;
|
|
object_class->set_property = gst_vaapi_display_x11_set_property;
|
|
object_class->get_property = gst_vaapi_display_x11_get_property;
|
|
object_class->constructed = gst_vaapi_display_x11_constructed;
|
|
|
|
dpy_class->open_display = gst_vaapi_display_x11_open_display;
|
|
dpy_class->close_display = gst_vaapi_display_x11_close_display;
|
|
dpy_class->sync = gst_vaapi_display_x11_sync;
|
|
dpy_class->flush = gst_vaapi_display_x11_flush;
|
|
dpy_class->get_display = gst_vaapi_display_x11_get_va_display;
|
|
dpy_class->get_size = gst_vaapi_display_x11_get_size;
|
|
dpy_class->get_size_mm = gst_vaapi_display_x11_get_size_mm;
|
|
|
|
/**
|
|
* GstVaapiDisplayX11:synchronous:
|
|
*
|
|
* When enabled, runs the X display in synchronous mode. Note that
|
|
* this is used only for debugging.
|
|
*/
|
|
g_object_class_install_property
|
|
(object_class,
|
|
PROP_SYNCHRONOUS,
|
|
g_param_spec_boolean("synchronous",
|
|
"Synchronous mode",
|
|
"Toggles X display synchronous mode",
|
|
FALSE,
|
|
G_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GstVaapiDisplayX11:x11-display:
|
|
*
|
|
* The X11 #Display that was created by gst_vaapi_display_x11_new()
|
|
* or that was bound from gst_vaapi_display_x11_new_with_display().
|
|
*/
|
|
g_object_class_install_property
|
|
(object_class,
|
|
PROP_X11_DISPLAY,
|
|
g_param_spec_pointer("x11-display",
|
|
"X11 display",
|
|
"X11 display",
|
|
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
|
|
|
|
/**
|
|
* GstVaapiDisplayX11:x11-screen:
|
|
*
|
|
* The X11 screen that was created by gst_vaapi_display_x11_new()
|
|
* or that was bound from gst_vaapi_display_x11_new_with_display().
|
|
*/
|
|
g_object_class_install_property
|
|
(object_class,
|
|
PROP_X11_SCREEN,
|
|
g_param_spec_int("x11-screen",
|
|
"X11 screen",
|
|
"X11 screen",
|
|
0, G_MAXINT32, 0,
|
|
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
|
|
|
|
/**
|
|
* GstVaapiDisplayX11:display-name:
|
|
*
|
|
* The X11 display name.
|
|
*/
|
|
g_object_class_install_property
|
|
(object_class,
|
|
PROP_DISPLAY_NAME,
|
|
g_param_spec_string("display-name",
|
|
"X11 display name",
|
|
"X11 display name",
|
|
NULL,
|
|
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_display_x11_init(GstVaapiDisplayX11 *display)
|
|
{
|
|
GstVaapiDisplayX11Private *priv = GST_VAAPI_DISPLAY_X11_GET_PRIVATE(display);
|
|
|
|
display->priv = priv;
|
|
priv->create_display = TRUE;
|
|
priv->x11_display = NULL;
|
|
priv->x11_screen = 0;
|
|
priv->display_name = NULL;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_display_x11_new:
|
|
* @display_name: the X11 display name
|
|
*
|
|
* Opens an X11 #Display using @display_name and returns a newly
|
|
* allocated #GstVaapiDisplay object. The X11 display will be cloed
|
|
* when the reference count of the object reaches zero.
|
|
*
|
|
* Return value: a newly allocated #GstVaapiDisplay object
|
|
*/
|
|
GstVaapiDisplay *
|
|
gst_vaapi_display_x11_new(const gchar *display_name)
|
|
{
|
|
return g_object_new(GST_VAAPI_TYPE_DISPLAY_X11,
|
|
"display-name", display_name,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_display_x11_new_with_display:
|
|
* @x11_display: an X11 #Display
|
|
*
|
|
* Creates a #GstVaapiDisplay based on the X11 @x11_display
|
|
* display. The caller still owns the display and must call
|
|
* XCloseDisplay() when all #GstVaapiDisplay references are
|
|
* released. Doing so too early can yield undefined behaviour.
|
|
*
|
|
* Return value: a newly allocated #GstVaapiDisplay object
|
|
*/
|
|
GstVaapiDisplay *
|
|
gst_vaapi_display_x11_new_with_display(Display *x11_display)
|
|
{
|
|
g_return_val_if_fail(x11_display, NULL);
|
|
|
|
return g_object_new(GST_VAAPI_TYPE_DISPLAY_X11,
|
|
"x11-display", x11_display,
|
|
"x11-screen", DefaultScreen(x11_display),
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_display_x11_get_display:
|
|
* @display: a #GstVaapiDisplayX11
|
|
*
|
|
* Returns the underlying X11 #Display that was created by
|
|
* gst_vaapi_display_x11_new() or that was bound from
|
|
* gst_vaapi_display_x11_new_with_display().
|
|
*
|
|
* Return value: the X11 #Display attached to @display
|
|
*/
|
|
Display *
|
|
gst_vaapi_display_x11_get_display(GstVaapiDisplayX11 *display)
|
|
{
|
|
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY_X11(display), NULL);
|
|
|
|
return display->priv->x11_display;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_display_x11_get_screen:
|
|
* @display: a #GstVaapiDisplayX11
|
|
*
|
|
* Returns the default X11 screen that was created by
|
|
* gst_vaapi_display_x11_new() or that was bound from
|
|
* gst_vaapi_display_x11_new_with_display().
|
|
*
|
|
* Return value: the X11 #Display attached to @display
|
|
*/
|
|
int
|
|
gst_vaapi_display_x11_get_screen(GstVaapiDisplayX11 *display)
|
|
{
|
|
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY_X11(display), -1);
|
|
|
|
return display->priv->x11_screen;
|
|
}
|