static void
gst_vaapi_surface_destroy (GstVaapiSurface * surface)
{
GstVaapiDisplay *const display = GST_VAAPI_OBJECT_DISPLAY (surface);
VASurfaceID surface_id;
VAStatus status;
surface_id = GST_VAAPI_OBJECT_ID (surface);
GST_DEBUG ("surface %" GST_VAAPI_ID_FORMAT, GST_VAAPI_ID_ARGS (surface_id));
gst_vaapi_surface_destroy_subpictures (surface);
gst_vaapi_surface_set_parent_context (surface, NULL);
if (surface_id != VA_INVALID_SURFACE) {
GST_VAAPI_DISPLAY_LOCK (display);
status = vaDestroySurfaces (GST_VAAPI_DISPLAY_VADISPLAY (display),
&surface_id, 1);
GST_VAAPI_DISPLAY_UNLOCK (display);
if (!vaapi_check_status (status, "vaDestroySurfaces()"))
g_warning ("failed to destroy surface %" GST_VAAPI_ID_FORMAT,
GST_VAAPI_ID_ARGS (surface_id));
GST_VAAPI_OBJECT_ID (surface) = VA_INVALID_SURFACE;
}
gst_vaapi_buffer_proxy_replace (&surface->extbuf_proxy, NULL);
}
/**
* gst_vaapi_surface_set_subpictures_from_composition:
* @surface: a #GstVaapiSurface
* @compostion: a #GstVideoOverlayCompositon
* @propagate_context: a flag specifying whether to apply composition
* to the parent context, if any
*
* Helper to update the subpictures from #GstVideoOverlayCompositon. Sending
* a NULL composition will clear all the current subpictures. Note that this
* method will clear existing subpictures.
*
* Return value: %TRUE on success
*/
gboolean
gst_vaapi_surface_set_subpictures_from_composition(
GstVaapiSurface *surface,
GstVideoOverlayComposition *composition,
gboolean propagate_context
)
{
GstVaapiDisplay *display;
guint n, nb_rectangles;
g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), FALSE);
if (propagate_context) {
GstVaapiContext * const context = surface->priv->parent_context;
if (context)
return gst_vaapi_context_apply_composition(context, composition);
}
display = GST_VAAPI_OBJECT_DISPLAY(surface);
if (!display)
return FALSE;
/* Clear current subpictures */
gst_vaapi_surface_destroy_subpictures(surface);
if (!composition)
return TRUE;
nb_rectangles = gst_video_overlay_composition_n_rectangles (composition);
/* Overlay all the rectangles cantained in the overlay composition */
for (n = 0; n < nb_rectangles; ++n) {
GstVideoOverlayRectangle *rect;
GstVaapiRectangle sub_rect;
GstVaapiSubpicture *subpicture;
rect = gst_video_overlay_composition_get_rectangle (composition, n);
subpicture = gst_vaapi_subpicture_new_from_overlay_rectangle (display,
rect);
gst_video_overlay_rectangle_get_render_rectangle (rect,
(gint *)&sub_rect.x, (gint *)&sub_rect.y,
&sub_rect.width, &sub_rect.height);
if (!gst_vaapi_surface_associate_subpicture (surface, subpicture,
NULL, &sub_rect)) {
GST_WARNING ("could not render overlay rectangle %p", rect);
g_object_unref (subpicture);
return FALSE;
}
g_object_unref (subpicture);
}
return TRUE;
}
