C++ (Cpp) gst_vaapi_surface_set_parent_context示例

示例#1

文件： gstvaapisurface.c 项目： 01org/iotg-lin-gfx-gstreamer-vaapi

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);
}

示例#2

文件： gstvaapisurface.c 项目： cbetz421/gst-vaapi

static void
gst_vaapi_surface_set_property(
    GObject      *object,
    guint         prop_id,
    const GValue *value,
    GParamSpec   *pspec
)
{
    GstVaapiSurface        * const surface = GST_VAAPI_SURFACE(object);
    GstVaapiSurfacePrivate * const priv    = surface->priv;

    switch (prop_id) {
    case PROP_WIDTH:
        priv->width = g_value_get_uint(value);
        break;
    case PROP_HEIGHT:
        priv->height = g_value_get_uint(value);
        break;
    case PROP_CHROMA_TYPE:
        priv->chroma_type = g_value_get_uint(value);
        break;
    case PROP_PARENT_CONTEXT:
        gst_vaapi_surface_set_parent_context(surface, g_value_get_object(value));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}