Method and system for staggered parallelized video decoding

摘要

A method and system for staggered parallelized video decoding system decodes a compressed video stream at approximately double the performance of conventional systems, and outputs the decoded stream to a video display device. Even and odd video frames from the video stream are identified and stored in a memory. A first decoder processes a first portion of a first even frame from among the stored even frames. After the first decoder completes processing the first portion of the first even frame, a second decoder begins processing a first odd frame from among the stored odd frames. The processing start times of the odd frames are staggered with respect to the even frames and vice versa, and the even and odd frames are simultaneously processed using first and second decoders.

主权项

1. A system, comprising:
a frame boundary parser to receive a compressed video stream and to identify even frames and odd frames from the video stream; a memory to store the even and odd frames; a first decoder operatively coupled to the memory and structured to process first and second portions of each of the stored even frames, the first portion corresponding to an L number of lines of an even frame, wherein the L number of lines corresponds to a height of a reference area of the even frame; and a second decoder operatively coupled to the memory and structured to process each of the stored odd frames after the first decoder processes a corresponding first portion of a related even frame from among the stored even frames.