[FFmpeg-devel] jframe

[Ivan Kalvachev]

2007/5/30, Michael Niedermayer <michaelni at gmx.at>:
> Hi
>
> On Wed, May 30, 2007 at 01:13:43PM +1000, mark cox wrote:
> > Hi, on the mailing lists and in wmv2.c i found reference to j-type frames,
> > but nowhere can i find where this name came from originally.
>
> 'i' + 1 == 'j'
>
>
> > A google search
> > comes up with nothing. How do you know that j-type frames are called 'j-type
> > frames'?
>
> we dont, and they are also almost certainly not called j frames by MS

They call them X8 (or intra X8).
Kostya also said they refer to them in this way in the vc1 advanced profile.