extend_edges(&mut prev, 1 << self.tsize);
self.decode_frame_inter(&mut br, &mut buf, &mut prev, vinfo.get_width(), vinfo.get_height())?;
extend_edges(&mut buf, 1 << self.tsize);
extend_edges(&mut prev, 1 << self.tsize);
self.decode_frame_inter(&mut br, &mut buf, &mut prev, vinfo.get_width(), vinfo.get_height())?;
extend_edges(&mut buf, 1 << self.tsize);