METHOD OF SELECTING A REFERENCE PICTURE

摘要

The present invention relates to a method of processing a current field macroblock, comprising: obtaining a reference frame picture list including multiple reference frame pictures; determining a reference frame picture index of the multiple reference frame pictures in the reference frame picture list based on display order information for the multiple reference frame pictures, the reference frame picture index numbers being allocated in a reverse order to the reference frame pictures whose display order is lower than the display order of a current frame picture and the remaining reference frame picture index numbers being allocated in the display order to the reference frame pictures whose display order is higher than the display order of the current frame picture, wherein the current frame picture includes the current field macroblock; and reordering the reference frame picture index allocated to each reference frame picture in the reference frame picture list. In this method, the current field macroblock is processed by using a reference field picture, wherein the reference field picture is indicated by a reference field picture index. The field picture index is allocated odd value when the reference field picture has a different parity from a parity of the current field macroblock.