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

Moritz Barsnick barsnick at gmx.net
Wed Jan 6 14:36:44 CET 2016

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.


More information about the ffmpeg-devel mailing list