gboolean
gst_vaapi_ensure_display (gpointer element, GstVaapiDisplayType type)
{
GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (element);
GstVaapiDisplay *display;
GstVideoContext *context;
g_return_val_if_fail (GST_IS_VIDEO_CONTEXT (element), FALSE);
context = GST_VIDEO_CONTEXT (element);
g_return_val_if_fail (context != NULL, FALSE);
gst_vaapi_video_context_prepare (context, display_types);
/* Neighbour found and it updated the display */
if (gst_vaapi_plugin_base_has_display_type (plugin, type))
return TRUE;
/* If no neighboor, or application not interested, use system default */
if (plugin->gl_context)
display = gst_vaapi_create_display_from_gl_context (plugin->gl_context);
else
display = gst_vaapi_create_display (type, plugin->display_name);
if (!display)
return FALSE;
gst_vaapi_video_context_propagate (context, display);
GST_VAAPI_PLUGIN_BASE_DISPLAY_REPLACE (plugin, display);
gst_vaapi_display_unref (display);
return TRUE;
}
gboolean
gst_vaapi_ensure_display (GstElement * element, GstVaapiDisplayType type)
{
GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (element);
GstVaapiDisplay *display;
g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
if (gst_vaapi_video_context_prepare (element, &plugin->display)) {
/* Neighbour found and it updated the display */
if (gst_vaapi_plugin_base_has_display_type (plugin, type))
return TRUE;
}
/* If no neighboor, or application not interested, use system default */
if (plugin->gl_context)
display = gst_vaapi_create_display_from_gl_context (plugin->gl_context);
else
display = gst_vaapi_create_display (type, plugin->display_name);
if (!display)
return FALSE;
gst_vaapi_video_context_propagate (element, display);
gst_vaapi_display_unref (display);
return TRUE;
}
gboolean
gst_vaapi_ensure_display (GstElement * element, GstVaapiDisplayType type)
{
GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (element);
GstVaapiDisplay *display = NULL;
g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
if (gst_vaapi_video_context_prepare (element, &plugin->display)) {
/* Neighbour found and it updated the display */
if (gst_vaapi_plugin_base_has_display_type (plugin, type))
return TRUE;
}
/* Query for a local GstGL context. If it's found, it will be used
* to create the VA display */
if (!plugin->gl_context)
gst_vaapi_find_gl_context (element);
/* If no neighboor, or application not interested, use system default */
if (plugin->gl_context) {
display = gst_vaapi_create_display_from_gl_context (plugin->gl_context);
/* Cannot instantiate VA display based on GL context. Reset the
* requested display type to ANY to try again */
if (!display)
gst_vaapi_plugin_base_set_display_type (plugin,
GST_VAAPI_DISPLAY_TYPE_ANY);
}
if (!display)
display = gst_vaapi_create_display (type, plugin->display_name);
if (!display)
return FALSE;
gst_vaapi_video_context_propagate (element, display);
gst_object_unref (display);
return TRUE;
}
/**
* gst_vaapi_create_test_display:
*
* Creates a temporal #GstVaapiDisplay instance, just for testing the
* supported features.
*
* Returns: a new #GstVaapiDisplay instances. Free with
* gst_vaapi_display_unref () after use.
**/
GstVaapiDisplay *
gst_vaapi_create_test_display ()
{
return gst_vaapi_create_display (GST_VAAPI_DISPLAY_TYPE_ANY, NULL);
}
