Re: [FFmpeg-devel] [PATCH 1/2] Revert "avcodec: Rename ff_kbd_window_init() as it will be needed from outside libavcodec"

[Michael Niedermayer <michael@niedermayer.cc>]

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On Mon, Jan 29, 2024 at 10:09:52AM +0100, Vittorio Giovara wrote:
> On Mon, Jan 29, 2024 at 8:58 AM Andreas Rheinhardt <
> andreas.rheinhardt@outlook.com> wrote:
> 
> > Michael Niedermayer:
> > > On Sun, Jan 28, 2024 at 08:52:20PM -0300, James Almer wrote:
> > >> On 1/28/2024 7:41 PM, Michael Niedermayer wrote:
> > >>> On Sun, Jan 28, 2024 at 02:49:26PM +0100, Andreas Rheinhardt wrote:
> > >>>> This reverts commits fd5aa93a37b3fa21195c6d7b22ef655124020e09
> > >>>> and cf00f60bab1f79213c274a6cd4357b32bd5c0101
> > >>>> ("avcodec/kbdwin: Support arbitrary sized windows").
> > >>>>
> > >>>> The change in question has only been made for libavradio.
> > >>>> in anticipation of merging it into the main tree. This has
> > >>>> not happened, so this commit reverts the changes to kbdwin
> > >>>> that are not used for anything else. In particular, these
> > >>>> functions are no longer exported (as avpriv functions);
> > >>>> notice that the fixed-point function has been exported
> > >>>> despite having never been used outside of lavc.
> > >>>>
> > >>>> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
> > >>>> ---
> > >>>>   libavcodec/aacdec_template.c |  8 ++++----
> > >>>>   libavcodec/aactab.c          |  4 ++--
> > >>>>   libavcodec/ac3dec.c          |  2 +-
> > >>>>   libavcodec/ac3enc_fixed.c    |  2 +-
> > >>>>   libavcodec/ac3enc_float.c    |  2 +-
> > >>>>   libavcodec/dolby_e.c         |  4 ++--
> > >>>>   libavcodec/kbdwin.c          | 23 ++++++++---------------
> > >>>>   libavcodec/kbdwin.h          | 10 ++++------
> > >>>>   8 files changed, 23 insertions(+), 32 deletions(-)
> > >>>
> > >>> I still intend to work on SDR either within what people agreed to
> > >>> (that is a separate library) or in form of a fork.
> > >>>
> > >>> For both it is easier if the functions it needs are accessible
> > >>>
> > >>> thx
> > >>
> > >> Renaming an ff_ symbol into avpriv_ can happen at any time. Renaming an
> > >> avpriv_ symbol to ff_ can only happen during a bump. So this patch is
> > IMO
> > >> ok.
> > >> There's no warranty that whatever happens with SDR will happen before
> > the
> > >> next bump, so better remove as many exposed symbols as possible.
> > >
> > > You are missing something here.
> > >
> > > With the symbols, i can fork libavdevice and add SDR support.
> > > Without the symbols, i cannot just do that. At least not cleanly
> > > Because i need to replace libavcodec too and i need to extend its ABI
> > > then.
> > > This makes this more messy.
> > >
> >
> > I would rather have you just copy the needed code into your fork of
> > libavradio/libavdevice than add avpriv symbols (one of which was always
> > unnecessary) for this.
> >
> 
> Agreed, Michael is there any blocker for this to be done in your fork?

Vittorio, Andreas

I think you are correct, I will do that

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Concerning the gods, I have no means of knowing whether they exist or not
or of what sort they may be, because of the obscurity of the subject, and
the brevity of human life -- Protagoras

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