[FFmpeg-devel] [PATCH 2/3] avfilter: add audio upsample filter

Paul B Mahol onemda at gmail.com
Sat Nov 25 18:13:06 EET 2023


On Sun, Oct 25, 2020 at 1:41 PM Paul B Mahol <onemda at gmail.com> wrote:

>
>
> On Thu, Apr 25, 2019 at 9:14 PM Nicolas George <george at nsup.org> wrote:
>
>> Paul B Mahol (12019-04-25):
>> > Not really, it works with 2x/3x/4x/5x.. sample rate or 1/2 / 1/3 / 1/4
>> / 1/5
>> > o sample rate in other direction.
>>
>> I do not think so: the algorithm can work for absolutely any ratio. The
>> effect on the spectrum will not be as clean if the ratio is not an
>> integer, but that is another problem.
>>
>> > It can not be done in aresample filter because of limitations of
>> query_formats
>> > code in libavfilter
>>
>> Please elaborate.
>>
>> >                     and doing it anyway for aresample filter would
>> > cause many regressions.
>>
>> I do not think so. Please elaborate.
>>
>
> I really lost any motivation to deal with Nicolas George behavior.
> So I please ask again for TC to deal with this.
> There are too many great patches lost because of his behavior.
>

I still want that TC and CC take this into reconsidering.


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