fritsch/xbmc — comment on commit 8bde45dfea0faef8dc3aa7b8ef97b0b9c67cb6db
File:  line 0
By fritsch:

You could be right, but as far as i see there is a big difference between the scaling matrices in h264 and the inter and non intra matrices from mpeg2 - not sure if "just copy" them over will do anything good.