Padding of segments in coded slice NAL units

摘要

A video encoder divides a picture into a plurality of picture partitions, such as tiles or wavefront parallel processing (WPP) waves. The picture partitions are associated with non-overlapping subsets of the treeblocks of the picture. The video encoder generates a coded slice network abstraction layer (NAL) unit that includes encoded representations of the treeblocks associated with a slice of the picture. The coded treeblocks are grouped within the coded slice NAL unit into segments associated with different ones of the picture partitions. The video encoder pads one or more of the segments such that each of the segments begins on a byte boundary.

主权项

1. A method for encoding video data, the method comprising:
dividing a picture into a plurality of picture partitions, the picture having a plurality of treeblocks, the picture partitions associated with non-overlapping subsets of the treeblocks of the picture; and generating a coded slice network abstraction layer (NAL) unit that includes encoded representations of the treeblocks that are associated with a slice of the picture, the encoded representations of the treeblocks grouped within the coded slice NAL unit into segments associated with different ones of the picture partitions, wherein:
one or more of the segments are padded such that each of the segments begins on a byte boundary,the segments include a given segment, andgenerating the coded slice NAL unit comprises performing a padding operation that appends bits to the given segment if a next treeblock is inside the slice and is associated with a different picture partition than the given segment.