摘要 |
A method for decoding a video signal by a decoder is disclosed, comprising: decoding, with the decoder, a picture of a quality base layer; decoding, with the decoder, a picture of a quality enhanced layer based on the picture of the quality base layer; and marking, with the decoder, each of a reference picture including the picture of the quality base layer and the picture of the quality enhanced layer as short term reference pictures or long term reference pictures; characterised in that, picture identification information of the picture of the quality base layer and picture identification information of the picture of the quality enhanced layer include picture number information for pictures and long term picture number information in the marking step, the picture of the quality base layer is additionally marked with other identification information, the other identification information indicating the picture of the quality base layer in a buffer. |