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Add gst_vaapi_display_x11_new_with_display() API.

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This commit is contained in:
gb 2010-03-11 15:21:43 +00:00
parent 0d4b65b758
commit e4ae48029f
3 changed files with 103 additions and 16 deletions
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31
gst-libs/gst/vaapi/gstvaapidisplay_x11.c
View file

@ -35,6 +35,7 @@ G_DEFINE_TYPE(GstVaapiDisplayX11,
GstVaapiDisplayX11Private))
struct _GstVaapiDisplayX11Private {
gboolean create_display;
gchar *display_name;
Display *x11_display;
VADisplay *va_display;
@ -80,6 +81,9 @@ gst_vaapi_display_x11_set_property(
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;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
@ -109,6 +113,19 @@ gst_vaapi_display_x11_get_property(
}
}
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;
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)
{
@ -116,6 +133,7 @@ gst_vaapi_display_x11_open_display(GstVaapiDisplay *display)
GST_VAAPI_DISPLAY_X11(display)->priv;
/* XXX: maintain an X11 display cache */
if (!priv->x11_display && priv->create_display)
priv->x11_display = XOpenDisplay(priv->display_name);
if (!priv->x11_display)
return FALSE;
@ -131,6 +149,7 @@ gst_vaapi_display_x11_close_display(GstVaapiDisplay *display)
GST_VAAPI_DISPLAY_X11(display)->priv;
if (priv->x11_display) {
if (priv->create_display)
XCloseDisplay(priv->x11_display);
priv->x11_display = NULL;
}
@ -160,6 +179,7 @@ gst_vaapi_display_x11_class_init(GstVaapiDisplayX11Class *klass)
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;
@ -171,7 +191,7 @@ gst_vaapi_display_x11_class_init(GstVaapiDisplayX11Class *klass)
g_param_spec_pointer("x11-display",
"X11 display",
"X11 display",
G_PARAM_READABLE));
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class,
@ -189,6 +209,7 @@ 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->display_name = NULL;
}
@ -201,6 +222,14 @@ gst_vaapi_display_x11_new(const gchar *display_name)
NULL);
}
GstVaapiDisplay *
gst_vaapi_display_x11_new_with_display(Display *x11_display)
{
return g_object_new(GST_VAAPI_TYPE_DISPLAY_X11,
"x11-display", x11_display,
NULL);
}
Display *
gst_vaapi_display_x11_get_display(GstVaapiDisplayX11 *display)
{

3
gst-libs/gst/vaapi/gstvaapidisplay_x11.h
View file

@ -72,6 +72,9 @@ gst_vaapi_display_x11_get_type(void);
GstVaapiDisplay *
gst_vaapi_display_x11_new(const gchar *display_name);
GstVaapiDisplay *
gst_vaapi_display_x11_new_with_display(Display *x11_display);
Display *
gst_vaapi_display_x11_get_display(GstVaapiDisplayX11 *display);

73
tests/examples/generic/test-display.c
View file

@ -68,18 +68,11 @@ print_caps(GstCaps *caps, const gchar *name)
}
}
int
main(int argc, char *argv[])
static void
dump_caps(GstVaapiDisplay *display)
{
GstVaapiDisplay *display;
GstCaps *caps;
gst_init(&argc, &argv);
display = gst_vaapi_display_x11_new(NULL);
if (!display)
g_error("could not create VA-API display");
caps = gst_vaapi_display_get_image_caps(display);
if (!caps)
g_error("could not get VA image caps");
@ -93,8 +86,70 @@ main(int argc, char *argv[])
print_caps(caps, "subpicture");
gst_caps_unref(caps);
}
int
main(int argc, char *argv[])
{
Display *x11_display;
VADisplay va_display;
GstVaapiDisplay *display;
gst_init(&argc, &argv);
g_print("#\n");
g_print("# Create display with gst_vaapi_display_x11_new()\n");
g_print("#\n");
{
display = gst_vaapi_display_x11_new(NULL);
if (!display)
g_error("could not create Gst/VA display");
dump_caps(display);
g_object_unref(display);
}
g_print("\n");
g_print("#\n");
g_print("# Create display with gst_vaapi_display_x11_new_with_display()\n");
g_print("#\n");
{
x11_display = XOpenDisplay(NULL);
if (!x11_display)
g_error("could not create X11 display");
display = gst_vaapi_display_x11_new_with_display(x11_display);
if (!display)
g_error("could not create Gst/VA display");
dump_caps(display);
g_object_unref(display);
XCloseDisplay(x11_display);
}
g_print("\n");
g_print("#\n");
g_print("# Create display with gst_vaapi_display_new_with_display()\n");
g_print("#\n");
{
x11_display = XOpenDisplay(NULL);
if (!x11_display)
g_error("could not create X11 display");
va_display = vaGetDisplay(x11_display);
if (!va_display)
g_error("could not create VA display");
display = gst_vaapi_display_new_with_display(va_display);
if (!display)
g_error("could not create Gst/VA display");
dump_caps(display);
g_object_unref(display);
XCloseDisplay(x11_display);
}
g_print("\n");
gst_deinit();
return 0;
}