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

[James Almer <jamrial@gmail.com>]

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.
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