A decoder is disclosed for decoding MPEG video bitstreams encoded in any color space encoding format and outputting the decoded video bitstream to different sized windows. Both MPEG decompression and color space decoding and conversion are performed on the bitstreams within the same decoder. The...http://www.google.com.hk/patents/US5832120?utm_source=gb-gplus-share專利 US5832120 - Universal MPEG decoder with scalable picture size
