[FFmpeg-devel] [PATCH 1/3] lavu/frame: add av_frame_realign().

Marton Balint cus at passwd.hu
Sun May 7 14:34:37 EEST 2017

On Sat, 6 May 2017, Nicolas George wrote:

> Le septidi 17 floréal, an CCXXV, Muhammad Faiz a écrit :
>> As far as I know. No new features can go to release branch.
>> Or maybe I'm wrong.
> As I said, if this is the only issue, then it is not: just copy-paste
> av_frame_realign() at the two places where it will be needed and make it
> static.
> But really, I do not care much what happens in releases. I will fight to
> the end to prevent short-term workarounds to be introduced in the master
> branch when a correct fix is so easy, but for the releases branches, do
> what you want. Only do not expect my help for the ugly way.

I suggest the following:

As the av_frame_realign API is useful on its own without any framework, I 
suggest we implement that.

Once the implementation is complete we can backport it to 3.3 with the 
avpriv prefix and without bumping version numbers.

In the 3.3 branch the regression can be fixed (old behaviour can be 
restored) by calling avpriv_frame_align in the frame queue.

In the master branch, if no consensus is reached, or discussion/work on 
the alignment framework stalls, a vote can be made to either
1) enforce the aligment in the frame queue or
2) enforce the aligment in parts of the code we know regressed (libmp3, 


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