A video and graphics system processes video data including both analog video, e.g., NTSC/PAL/SECAM/S-video, and digital video, e.g., MPEG-2 video in SDTV or HDTV format. The video and graphics system includes a video decoder, which is capable of concurrently decoding multiple SLICEs of MPEG-2 video data....http://www.google.se/patents/US6636222?utm_source=gb-gplus-sharePatent US6636222 - Video and graphics system with an MPEG video decoder for concurrent multi-row decoding