[FFmpeg-devel] [PATCH] avfilter/vf_tinterlace: Favor using standard timebases for the output

[Kieran Kunhya]

> This effectively limits interlacing to two framerates. What about pure
> 30i? What about some future (or past) framerate we didn't think of?
> Listing all possible framerate combinations is simply not
> maintainable.

Erm, let's not propagate more crazy interlaced framerates.

> If you reeeeeeally want interlaced vfr why don't just add a filter
> option like "keep_timebase" or something? Imho, it would be enough to
> revert the broken patches.

I think you have no choice because of MPEG-TS being 90khz for example.
You don't want that converted to 45khz.

Kieran