Intra MacroBlock的意思|示意

Secondly, when filtering between macroblocks, VP8's filter has wider range than the in-macroblock filter — H. 264 did this, but only for intra edges.

第二，当在宏块之间的过滤的时候，VP8的过滤器比在块内部过滤有更广泛的范围， H.264 只在内部边缘会这样做。

In this mode, four bottom pixels from the block above are copied vertically into part of an intra-coded macroblock.

在这种模式中，上方像素块中的四个底部像素被垂直拷贝至经过帧内编码的宏块中。

In this mode, four right-most pixels from the block to the left are copied horizontally into part of an intra-coded macroblock.

在这种模式中，左边像素块中的最右侧四个像素被水平拷贝至经过帧内编码的宏块中。

In this mode, eight bottom pixels from the blocks above are copied diagonally into part of an intra-coded macroblock.

在这种模式中，上方像素块中的八个底部像素被沿对角线方向拷贝至经过帧内编码的宏块中。