[MEncoder-users] Apply filter when encoding DV avi file to xvid

["Cédric MARCOUX (sprimont)"]

Hi James,

thanks for answer however do you mean that I have to encode in three pass?
First with filter
Second xvid pass1 without audio process
Third xvid pass2

Thanks,

Cédric MARCOUX

James Hastings-Trew a écrit :
> Cédric MARCOUX (sprimont) wrote:
>> Hi all!
>>
>> i'm using dvgrab to capture movie from my CamCorder DV
>> I'm using mencoder to convert to xvid.
>> I have noticed that avi created with dvgrab is good quality but when 
>> motion move I have some artifact (entrelaced line) and this not beautifull.
>>
>> So I was wondering if there a way to apply a filter when encoding my dv 
>> file to xvid?
>>   
> You need to apply a de-interlace filter. This should be done as a first 
> filtering step (i.e. before any cropping or scaling). You can try a 
> simple linear blend (slightly softer image result): -vf pp=lb, or you 
> can try a fancier deinterlacer that tries to only affect the 
> "interlaced" parts of the image: -vf  yadif=0, or you can try an even 
> fancier one: -vf yadif=3,mcdeint.
> 
> Personally I use the linear blend - it's fast and gets the job done. I 
> often throw a little unsharp mask on the end of the filter chain to 
> compensate a bit for the softening effect.
> 
> Grozdan Nikolov helpfully provided this link in a recent post:
>> Here's a comparison of deinterlacers. In the end there's no perfect 
>> deinterlacer, they all have their strong and weak points.
>>
>> http://guru.multimedia.cx/deinterlacing-filters/