rem: xine_set_param (gtx->priv->stream, XINE_PARAM_SPEED, speed);
add: if (speed == SPEED_NORMAL) xine_set_param (gtx->priv->stream, XINE_PARAM_SPEED, 100); else if (speed == SPEED_PAUSE) xine_set_param (gtx->priv->stream, XINE_PARAM_SPEED, 0);
context: gtk_xine_set_speed (GtkXine *gtx, gint speed){	g_return_if_fail (gtx != NULL);	g_return_if_fail (GTK_IS_XINE (gtx));	g_return_if_fail (gtx->priv->xine != NULL);	xine_set_param (gtx->priv->stream, XINE_PARAM_SPEED, speed);}