[mythtv-users] Bob deinterlacing not working

[Steve Smith]

On 01/03/2008, Steve Peters - Priority Electronics
<steve at priorityelectronics.com> wrote:
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> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Steve Smith
> Sent: Friday, February 29, 2008 1:38 AM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] Bob deinterlacing not working
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> On 29/02/2008, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> > On 02/27/2008 08:22 PM, Steve Peters - Priority Electronics wrote:
> > > Hello, i have two mythtv computers, one is a laptop.
> > >
> > > Bob deinterlacing works great on the laptop, and my analog sd recordings
> are
> > > great. It does not work on my desktop which is hooked up to my 55" big
> > > screen (not plasma or lcd. It is an hdtv though, and is made by
> phillips.
> > > Anyhow, i think the tv is more than capable because when i hook up my
> cable
> > > box directly to the tv, the picture is really great. So this leads me
> back
> > > to thinking my desktop can't Bob.
> > >
> > > It's ubuntu 7.04 with an nvidia 7300 in it. Core 2 duo with 1gb ram and
> > > 500gb ide seagate hard drive.
> > >
> > > Any ideas? Please help.
> >
> > Probably the big screen doesn't have sufficiently high refresh rate to
> > handle bob.
> >
> > Mike
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>
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> Do some searches for Viktor's refresh rate patch for interlaced
> output....there's plenty of posts about this in the archives...
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> Hello, it just doesn't make too much sense to me. Viktor's patch seems to be
> for uk broadcasts, 50hz, 25fps. I'm in the US. Also, my tv is an hdtv, does
> 480p, whereas the viktor stuff seems to me that it's only for interlaced
> displays. So if my tv does 480p, does that mean it's a progressive display?
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> Also, how do i apply this patch? What do i put and where. I saw people
> talking about his patch, but i could not find the actual patch.
>
> Please advise
> -Thanks
> -Steve
>
>
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Steve,

Ok! Your're right Viktor's patch if for interlaced displays... in that
case given the lack of other info I'd go with Michaels statement that
the refresh rate of the display is too low for bob. Remember bob
effectively doubles the refresh rate, so for a 30hz file that would
mean you need a display with a 60hz refresh rate. That's normal for
most computer displays, but for progressive TVs it's not likely to be
the same...

I suggest you use a different deinterlacer...

Cheers

Steve