[mythtv-users] deinterlacing and non-smooth playback at 1080i

Seth Daniel mythtv.org at sethdaniel.org
Tue May 22 00:28:18 UTC 2007


On Tue, May 22, 2007 at 12:28:23AM +0100, Mark Kendall wrote:
> On 5/21/07, Seth Daniel <mythtv.org at sethdaniel.org> wrote:
>
>> > Does that describe what you're seeing? Best to test with a
>> > clip/channel with a news ticker moving from right to left.
>>
>> I have tons of test material (lots of recordings of various shows that
>> are broadcast @ 1080i).  All exhibit the problem I describe in the first
>> paragraph above.
>
> Seth
>
> I can't remember if you're compiling from source or not, so this may not 
> help:)
>
> The attached patch may help - it's not perfect (it doesn't work 100%
> of the time and it will wreak havoc playing progressive scan content).
> It's against the mythtv-vid branch but shouldn't have any issues with
> other/older versions - and the important stuff is only a couple of
> lines.
>
> With this in place I get perfectly smooth/synced playback at 1080i
> most of the time - still trying to figure out if I can get 100%!
>
> I'll explain it in more detail when I've had some sleep.

I'll apply it tonight and see what happens.  Thanks!
(yes, I compile from source)

-- 
seth / @sethdaniel.org
Fifth Law of Applied Terror:
  If you are given an open-book exam, you will forget your book.
Corollary:
  If you are given a take-home exam, you will forget where you live.


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