[FFmpeg-devel] [PATCH] avutil/frame: Move new field to the end of AVFrame

James Almer jamrial at gmail.com
Thu Jun 30 00:46:25 CEST 2016

On 6/29/2016 7:39 PM, Timo Rothenpieler wrote:
> On 6/29/2016 10:31 PM, Michael Niedermayer wrote:
>> This is a similar ABI fix to 1eb43af1a0e542ad83dcbf327197785d815fc42d
> +1 for this.
> While it's true that all fields after it are not public API/ABI, a lot
> of software seems to misuse it, so to avoid too much trouble for now,
> this should be fixed.

How do you expect library users to start using the API correctly if every
time they do something wrong we are the ones that rush to break our code
just to adapt to their mistakes?

> We should then talk about how to avoid such problems in the future, i.e.
> how to make private fields truely private.

Yes, this is already decided. No direct access fields product of the old
libav compat attempts will be turned public as required, and everything
else will be shoved inside an opaque *internal struct, similar to existing

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