Re: [MPlayer-users] 60p -> 24p conversion for ATSC

[Steven Adeff <adeffs.mythtv@xxxxxxxxx>]

On 2/9/06, RC <rcooley@xxxxxxxxxxx> wrote:
> On Thu, 9 Feb 2006 14:40:31 -0800
> rob pfile <pfile@xxxxxxxxxxx> wrote:
>
> > some time ago i posted about this topic, and Rich Felker was kind
> > enough to reply. he mentioned that there was a hack using
> > vf_tinterlace  to do frame decimation of 24p material that's had
> > frames duplicated for  broadcast as 60p ATSC. i wasnt able to find any
> > mention of this  anywhere in the archives, so if someone out there can
> > describe this  hack, i'd be interested in hearing about it.
>
> Not much to describe.  All the ivtc filters work on fields, not frames,
> so you put tinterlace before pullup/filmdint/ivtc/detc to give it fields
> to work with.
>
> It only took a minute to find the original thread:
> http://thread.gmane.org/gmane.comp.video.mencoder.user/536

-vf decimate=2:1000:1600:.001,
has worked great for me on all my 60p HDTV content to bring it back down to 24p.
I've never found an instance where "those windows programs" get it
right where this doesn't, and I've encoded a lot of 60p content.

--
Steve

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