[FFmpeg-devel] [PATCH v2] lavu/opt: Clarify that AVOptions is not indended for general use

Michael Niedermayer michael at niedermayer.cc
Tue Apr 23 14:18:28 EEST 2024


On Tue, Apr 23, 2024 at 01:15:52PM +0200, Michael Niedermayer wrote:
> On Tue, Apr 23, 2024 at 11:10:43AM +0100, Andrew Sayers wrote:
> > On Tue, Apr 23, 2024 at 12:04:34PM +0200, Anton Khirnov wrote:
> > > Quoting Andrew Sayers (2024-04-23 11:51:00)
> > > > On Tue, Apr 23, 2024 at 11:21:27AM +0200, Anton Khirnov wrote:
> > > > > > lavu/opt: Clarify that AVOptions is not indended for general use
> > > > > 
> > > > > They _are_ intended for general use though.
> > > > 
> > > > In that case I'm confused...
> > > > 
> > > > Let's say I make a desktop app to transcode videos.  Obviously I would use
> > > > AVOptions to display configuration options for different encoders.  And it's
> > > > possible to create AVOptions objects for my UI.  But how strongly is that use
> > > > case recommended?
> > > > 
> > > > To provide a particularly difficult example - let's say I want to let the user
> > > > choose between interface themes, and I want to show both some text and a
> > > > picture of the theme.  AVOption doesn't include a "text + picture" option,
> > > > so how would I extend it to meet my needs?
> > > 
> > > If they fit your use case, then use them, otherwise don't - that's true
> > > for pretty much all APIs we provide.
> > 
> > Ah ok, so how about if I changed "intended" to "optimized" in the subject?
> 
> If FFmpeg which is a multimedia tool in no place needs or wants to store
> pictures through its option API in a way not curently supported.
> I would say thats not going to qualify as "general use" outside specialized
> software thats already dealing with a lot of pictures
> 
> still you certainly can handle binary data (like a bitmap picture) through
> AVOption

And if you disagree, which you probably do :)
send a patch to improve AVOption to cover more general use

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
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