[FFmpeg-user] Unexpected results from the "idet" filter

Tim Nicholson nichot20 at yahoo.com
Fri Apr 20 17:35:21 CEST 2012

On 20/04/12 15:58, Carl Eugen Hoyos wrote:
> Tim Nicholson <nichot20 <at> yahoo.com> writes:
>> Also whilst down coverting the pix_fmt seems to completely nobble the
>> filter, up converting only slightly impairs its performance:-
> My uneducated guess would be that this is expected.

Fine, I was somewhat surprised that although it was nobbled when the
scale filter was "in circuit". The same material pre-coded to the
downsampled version actually produce better results than the original.

I think the moral is "use with care".

> Thank you for your tests!

My pleasure.
> Carl Eugen


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