[x264-devel] proposal: nal-hrd and interlacing

Erik Slagter erik at slagter.name
Tue Jul 19 09:53:00 CEST 2011


Ping!

Can someone of the devs give an opinion on this matter? Am I the only one that makes
material to be played on a hardware device with interlacing?

On 01-07-11 12:46, Erik Slagter wrote:
> Hi guys,
>
> I've spent "some" time to find out that you need to enable nal-hrd if you want your
> interlaced material to be played back properly. I don't know what's the relation between
> the two, but it clearly doesn't work without nal-hrd, the motion is jerky on a stb, because
> the fields are played wrong way around (tff vs. bff).
>
> Can this be prevented by either adding it to the usage screen, or enable nal-hrd
> automatically when interlaced encoding is selected or print a warning message when
> interlacing is enabled but nal-hrd isn't (I favour the last option)?
>
> Thanks.

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