[FFmpeg-user] Why does the 'detelecine' filter exist?

[Mark Filipak]

On 28/05/2025 15.04, Paul B Mahol wrote:
> On Wed, May 28, 2025 at 7:00 PM Mark Filipak <markfilipak.imdb at gmail.com>
> wrote:
> 
>> Why does the 'detelecine' filter exist? It is weak and clumsy.
>>
>> The 'fieldmatch' filter followed by 'decimate' do a better job and are
>> robust.
>>
>> By continuing to carry obsolete filters, FFmpeg emasculates itself. That
>> makes FFmpeg appear to be
>> chaotic and ties up names that could be, should be reused to better effect.
>>
>> The same could be written about many FFmpeg filters. Dump them, or create
>> a "Legacy" category in the
>> documentation and put them there. Also, include documentation in "Legacy"
>> that shows how to replace
>> the obsolete filters in existing scripts. Promote the best filters, not
>> the worst.
>>
> 
> You are extremely biased and unhelpful.

Paul, do you _ever_ use 'detelecine'?

> What other filters you want to purge and why?

Shall we, together, begin a list?