2 * gstvaapidisplay_x11.c - VA/X11 display abstraction
4 * gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "vaapi_utils.h"
23 #include "gstvaapidisplay_x11.h"
26 #include "vaapi_debug.h"
28 G_DEFINE_TYPE(GstVaapiDisplayX11,
29 gst_vaapi_display_x11,
30 GST_VAAPI_TYPE_DISPLAY);
32 #define GST_VAAPI_DISPLAY_X11_GET_PRIVATE(obj) \
33 (G_TYPE_INSTANCE_GET_PRIVATE((obj), \
34 GST_VAAPI_TYPE_DISPLAY_X11, \
35 GstVaapiDisplayX11Private))
37 struct _GstVaapiDisplayX11Private {
38 gboolean create_display;
41 VADisplay *va_display;
52 gst_vaapi_display_x11_finalize(GObject *object)
54 G_OBJECT_CLASS(gst_vaapi_display_x11_parent_class)->finalize(object);
58 set_display_name(GstVaapiDisplayX11 *display, const gchar *display_name)
60 GstVaapiDisplayX11Private * const priv = display->priv;
62 g_free(priv->display_name);
65 priv->display_name = g_strdup(display_name);
67 priv->display_name = NULL;
71 gst_vaapi_display_x11_set_property(
78 GstVaapiDisplayX11 * const display = GST_VAAPI_DISPLAY_X11(object);
81 case PROP_DISPLAY_NAME:
82 set_display_name(display, g_value_get_string(value));
84 case PROP_X11_DISPLAY:
85 display->priv->x11_display = g_value_get_pointer(value);
88 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
94 gst_vaapi_display_x11_get_property(
101 GstVaapiDisplayX11 * const display = GST_VAAPI_DISPLAY_X11(object);
104 case PROP_DISPLAY_NAME:
105 g_value_set_string(value, display->priv->display_name);
107 case PROP_X11_DISPLAY:
108 g_value_set_pointer(value, gst_vaapi_display_x11_get_display(display));
111 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
117 gst_vaapi_display_x11_constructed(GObject *object)
119 GstVaapiDisplayX11 * const display = GST_VAAPI_DISPLAY_X11(object);
120 GObjectClass *parent_class;
122 display->priv->create_display = display->priv->x11_display == NULL;
124 parent_class = G_OBJECT_CLASS(gst_vaapi_display_x11_parent_class);
125 if (parent_class->constructed)
126 parent_class->constructed(object);
130 gst_vaapi_display_x11_open_display(GstVaapiDisplay *display)
132 GstVaapiDisplayX11Private * const priv =
133 GST_VAAPI_DISPLAY_X11(display)->priv;
135 /* XXX: maintain an X11 display cache */
136 if (!priv->x11_display && priv->create_display)
137 priv->x11_display = XOpenDisplay(priv->display_name);
138 if (!priv->x11_display)
141 priv->va_display = vaGetDisplay(priv->x11_display);
142 return priv->va_display != NULL;
146 gst_vaapi_display_x11_close_display(GstVaapiDisplay *display)
148 GstVaapiDisplayX11Private * const priv =
149 GST_VAAPI_DISPLAY_X11(display)->priv;
151 if (priv->x11_display) {
152 if (priv->create_display)
153 XCloseDisplay(priv->x11_display);
154 priv->x11_display = NULL;
157 if (priv->display_name) {
158 g_free(priv->display_name);
159 priv->display_name = NULL;
162 priv->va_display = NULL;
166 gst_vaapi_display_x11_get_va_display(GstVaapiDisplay *display)
168 return GST_VAAPI_DISPLAY_X11(display)->priv->va_display;
172 gst_vaapi_display_x11_class_init(GstVaapiDisplayX11Class *klass)
174 GObjectClass * const object_class = G_OBJECT_CLASS(klass);
175 GstVaapiDisplayClass * const dpy_class = GST_VAAPI_DISPLAY_CLASS(klass);
177 g_type_class_add_private(klass, sizeof(GstVaapiDisplayX11Private));
179 object_class->finalize = gst_vaapi_display_x11_finalize;
180 object_class->set_property = gst_vaapi_display_x11_set_property;
181 object_class->get_property = gst_vaapi_display_x11_get_property;
182 object_class->constructed = gst_vaapi_display_x11_constructed;
184 dpy_class->open_display = gst_vaapi_display_x11_open_display;
185 dpy_class->close_display = gst_vaapi_display_x11_close_display;
186 dpy_class->get_display = gst_vaapi_display_x11_get_va_display;
188 g_object_class_install_property
191 g_param_spec_pointer("x11-display",
194 G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
196 g_object_class_install_property
199 g_param_spec_string("display-name",
203 G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
207 gst_vaapi_display_x11_init(GstVaapiDisplayX11 *display)
209 GstVaapiDisplayX11Private *priv = GST_VAAPI_DISPLAY_X11_GET_PRIVATE(display);
211 display->priv = priv;
212 priv->create_display = TRUE;
213 priv->x11_display = NULL;
214 priv->display_name = NULL;
218 gst_vaapi_display_x11_new(const gchar *display_name)
220 return g_object_new(GST_VAAPI_TYPE_DISPLAY_X11,
221 "display-name", display_name,
226 gst_vaapi_display_x11_new_with_display(Display *x11_display)
228 return g_object_new(GST_VAAPI_TYPE_DISPLAY_X11,
229 "x11-display", x11_display,
234 gst_vaapi_display_x11_get_display(GstVaapiDisplayX11 *display)
236 g_return_val_if_fail(GST_VAAPI_IS_DISPLAY_X11(display), NULL);
238 return display->priv->x11_display;