rem: return gst_play_get_volume (bvw->priv->play) * 100;
add: volume = gst_play_get_volume (bvw->priv->play) * 100; return volume;
context: bacon_video_widget_get_volume (BaconVideoWidget *bvw){	g_return_val_if_fail (bvw != NULL, -1);	g_return_val_if_fail (BACON_IS_VIDEO_WIDGET(bvw), -1);	g_return_val_if_fail (GST_IS_PLAY(bvw->priv->play), -1);	return gst_play_get_volume (bvw->priv->play) * 100;}