[FFmpeg-devel] [PATCH] avfilter: add ahistogram multimedia filter

Ganesh Ajjanagadde gajjanag at mit.edu
Wed Jan 6 18:00:21 CET 2016


On Wed, Jan 6, 2016 at 5:36 AM, Moritz Barsnick <barsnick at gmx.net> wrote:
> On Tue, Jan 05, 2016 at 21:36:20 +0100, Moritz Barsnick wrote:
>> This is not the first of your filters where you describe a parameter as
>> a "percentage", but expect a float value [0, 1]. That is extremely
>> confusing, if not even wrong. To me, a percentage covers [0, 100]. You
>> need to find a different term for the "factor" ranging from zero to
>> one.
>
> Sorry, that was an unfair remark, as my memory failed me. The commit I
> was primarily referring to was by a different author.
>
> I see this use in the tremolo, vibrato, chromakey, colorkey filters,
> while several others use the term percentage for something with a [0,
> 100] full range.

Patch welcome ;).

>
> Moritz
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