replace *_dequant (2 intra, 1 inter) by qmat (3 intra, 3 inter) (needed for theora according to spec)
replace *_dequant (2 intra, 1 inter) by qmat (3 intra, 3 inter) (needed for theora according to spec)


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@5774 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg