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

Michael Niedermayer michael at niedermayer.cc
Mon Jan 29 04:31:27 EET 2024


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 at 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.

thx

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

Never trust a computer, one day, it may think you are the virus. -- Compn
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 195 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20240129/138d5cd9/attachment.sig>


More information about the ffmpeg-devel mailing list