[MPlayer-users] De-interlacing and YUV420 pixels

Reimar Döffinger Reimar.Doeffinger at gmx.de
Fri Nov 22 21:15:28 CET 2013

On 22.11.2013, at 02:11, James Board <jpboard2 at yahoo.com> wrote:

>> Kerndeint supports yuy2, which is 422.
>> Also, if you add -v then you'll see if there are additional conversions:
>> Trying filter chain: kerndeint vo
>> For example means no conversion, otherwise there would be a scale filter
>> in there.
>> In addition even without -v, the scaler should tell you what it does,
>> -vf format=yuy2,kerndeint
>> should probably work for 422 kerndeint.
> I tried several combinations of yuy2 and the video filters, but I can't get it to
> work when I also lossless-compress the output.  Here is an example command and
> output:
>> mencoder IN.avi -vf format=yuy2,kerndeint -oac copy -ovc lavc -lavcopts vcodec=ffvhuff -o OUT.avi

You _still_ need to use lavcopts to select a 422 format for encoding.
And you might still need to insert a scale filter in the end since ffvhuff etc. might not support yuy2

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