[mythtv-users] Bob deinterlacing not working

[William Munson]

Steve Peters - Priority Electronics wrote:
>  
>
>     -----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
>
>
>
>     On 29/02/2008, *Michael T. Dean* <mtdean at thirdcontact.com
>     <mailto: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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>
>      
>      
>     Do some searches for Viktor's refresh rate patch for interlaced
>     output....there's plenty of posts about this in the archives...
>      
>
>       
>      
>      
>     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?
>      
>     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
>

Where and how to patch your software depends on your installation. If 
you are running a prepackaged binary (.rpm or .deb) then you are pretty 
much out of luck unless you are willing to learn how to compile and 
install your own customized version. I am currently running/compiling 
0.21-fixes svn driving a hdtv monitor that only does 1080i. Myth 
complains that the bitrate is too low and will not do bob. I made a 
small patch which effectively lies to myth and doubles the bitrate and 
enabled bob2x. The display looks great and is well deinterlaced. If you 
want this diff write me off list and I will take a look in the code and 
find it again. I will only work against svn trunk or 0.21-fixes branches.

Vicktors origional patch is here:

http://svn.mythtv.org/trac/attachment/ticket/2903/interlaced_refresh_rate.diff