[MEncoder-users] A good compromise for deinterlacing camcorder-dv-files

[Christian Ebert]

* Grozdan on Sunday, June 27, 2010 at 11:59:22 +0200
> On Sun, Jun 27, 2010 at 11:48 AM, Christian Ebert <blacktrash at gmx.net> wrote:
>> * Grozdan on Sunday, June 27, 2010 at 11:04:15 +0200
>>> On Sun, Jun 27, 2010 at 10:57 AM, Christian Ebert <blacktrash at gmx.net> wrote:
>>>> * Grozdan on Sunday, June 27, 2010 at 08:05:29 +0200
>>>>> As Andrew recommended, you could also use the pp=lb (linear blend)
>>>>> filter but personally I find it blurs too much for my taste so if I
>>>>> had to use a deint filter from the pp, I'd got for the pp=ci one
>>>>> (cubic interpolation, gives pretty sharp images after deint)
>>>> 
>>>> Have to try that one. However, as _camcorder_ material often has
>>>> shaky images -- as opposed to industrial preprocessed dvd
>>>> material -- I often found the need to work around the sharpness
>>>> which resulted in sharp squares e.g. in areas that are mostly one
>>>> color but with "gradient" transitions (blue sky).
>>> 
>>> There's no deshaker filter yet in mplayer so I can't help on that and
>>> I don't deal with shaky stuff at all
>> 
>> You can actually observe it with sports, or right now at the
>> world cup: when there is a fast pan shot the picture on HD tv is
>> full of (sharp) little squares -- doesn't happen on old fashioned
>> interlaced tv.
> 
> Do you mean macroblocks? Like those visible when you have a very
> crappy encode from somewhere?

Well, it's sold as HDTV ;-) Nobody seems to mind. Well, sports:
lots of motion and "action" pan shots.

> If so, you can deblock it with pp7 or spp (or any other
> deblocker available)

pp7 looks like a very good with some tests. Thanks a lot for the
tip!

c
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