On Sun, 29 May 2016, James Almer wrote:
On 5/29/2016 5:45 PM, Ronald S. Bultje wrote:
Hi,
On Sun, May 29, 2016 at 3:13 PM, Marton Balint <c...@passwd.hu> wrote:
On Sun, 29 May 2016, Michael Niedermayer wrote:
Hi
It was suggested in the IRC meeting today that i start a vote to
resolve if AVClass & AVOption should be added to AVCodecParameters
This question needs to be awnsered before the next release because
the ABI would be broken if its added afterwards
the lack of any decission blocks the release which is worse than
either decission, otherwise a vote might be silly for such technical
question but eve a bad decission is better than no decission here
The disadvanatges are:
1 more field in the struct
a high level API that some feel is unneeded for AVCodecParameters
it could be confusing to some that there are 2 different ways to
access the fields
people might use it as av_log() context when they intended to use a
different context for it
There are probably more please help fill the list if you know more
The advanatges are:
More consistent availability of AVOptions and AVClass in public
structs
Makes supporting multiple FFmpeg versions and distros easier and
cleaner for applications. (reduces lists of #if version checks)
Provides default/min/max values, allows basic validity checking within
min/max
Avoids mysterious crashes if an application uses avoption functions
on AVCodecParameters
Introspection
Serialization support that may be usefull for ffserver or an application
replacing ffserver
An application that doesnt want to use AVOptions or AVClass can
completey ignore them.
Please state clearly if you agree to add AVClass&AVOption to
AVCodecParameters or if you disagree about adding it or if you dont
care either way
The vote will end 1 week from now, simple 50% majority (Yes vs no)
I dont really know who should be eligible for voting, so i suggest
everyone from the vote comittee but iam happy with anything, just
stating somethng ...
I am in favor of adding AVClass.
You're not in the list [1]?
Ronald
[1] https://ffmpeg.org/pipermail/ffmpeg-devel/2015-October/182207.html
At least one the person in the list has apparently left the project, so maybe
we could suggest adding recurrent contributors like Marton and Thilo.
I beieve there was an expansion when I got already included:
https://ffmpeg.org/pipermail/ffmpeg-devel/2015-November/183803.html
Regards,
Marton
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