Re: [FFmpeg-devel] [PATCH 06/13] lavu/mem: Add ff_fast_recalloc()

["Tomas Härdin" <tjoppen@acc.umu.se>]

lör 2022-06-18 klockan 16:57 +0200 skrev Anton Khirnov:
> Quoting Tomas Härdin (2022-06-16 14:44:45)
> > ons 2022-06-15 klockan 09:15 -0300 skrev James Almer:
> > > On 6/15/2022 6:59 AM, Tomas Härdin wrote:
> > > > tis 2022-06-14 klockan 22:26 +0200 skrev Michael Niedermayer:
> > > > > On Tue, Jun 14, 2022 at 04:42:06PM +0200, Tomas Härdin wrote:
> > > > > > Left this as an ff_ funtion for now since it's only used by
> > > > > > the
> > > > > > j2k
> > > > > > code
> > > > > > 
> > > > > > /Tomas
> > > > > 
> > > > > >   mem.c |   24 ++++++++++++++++++++++++
> > > > > >   mem.h |   55
> > > > > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > > > > >   2 files changed, 79 insertions(+)
> > > > > > 21be65bd06e3260f9f36598d5d574ee32e7131a6  0006-lavu-mem-
> > > > > > Add-
> > > > > > ff_fast_recalloc.patch
> > > > > >  From 5d36d431ffe4c8ba0f698d0c288ebc16b83f0bbc Mon Sep 17
> > > > > > 00:00:00
> > > > > > 2001
> > > > > > From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <git@haerdin.se>
> > > > > > Date: Tue, 14 Jun 2022 13:35:18 +0200
> > > > > > Subject: [PATCH 06/13] lavu/mem: Add ff_fast_recalloc()
> > > > > 
> > > > > You cannot call a ff_* function thats in libavutil from
> > > > > outside
> > > > > libavutil
> > > > > this will fail with shared libs as the ff* stuff is not
> > > > > exported
> > > > 
> > > > Ah, I suspected as much. Would there be much opposition to a
> > > > public
> > > > function like this in lavu? I could just keep it local to the
> > > > j2k
> > > > code
> > > 
> > > Just make it public by using the av_ prefix (You in fact added it
> > > to 
> > > mem.h, which is installed. You'd need to add it to mem_internal.h
> > > if
> > > you 
> > > wanted to avoid exposing it).
> > 
> > Ah I didn't notice it existed. But it doesn't look like the right
> > place
> > for it either, it's just a bunch of macros in there.
> > 
> > > Don't forget to add an APIChanges entry and minor lavu version
> > > bump 
> > > before you push if you do.
> > 
> > Right. Unless people have objections to the name or something
> > similar.
> > I kinda want the functions in mem.h to have a better naming
> > system..
> 
> Yeah, I really dislike those random-endian av_fast_<do_thing>_maybe()
> kinds names.
> Maybe something like av_*alloc_reuse()?
> 

I see the suffix p on functions that take pointer-to-pointer, like
av_reallocp(). But not on all of them - av_fast_malloc() should've been
called av_fast_mallocp() imo

/Tomas

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