[FFmpeg-devel] [PATCH v15 01/16] global: Prepare AVFrame for subtitle handling

[Anton Khirnov]

Quoting Soft Works (2021-11-27 09:49:56)
> 
> 
> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Anton
> > Khirnov
> > Sent: Saturday, November 27, 2021 9:45 AM
> > To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
> > Subject: Re: [FFmpeg-devel] [PATCH v15 01/16] global: Prepare AVFrame for
> > subtitle handling
> > 
> > Quoting Soft Works (2021-11-26 23:29:54)
> > >
> > > > This is breaking ABI.
> > >
> > > From earlier discussions, I think it's clear that the whole patchset cannot
> > > go without breakage.
> > 
> > Can you point me at the relevant arguments or restate them here?
> > So far I see no fundamental reason why this needs to break ABI.
> 
> Isn't the AVFrame change sufficient to break ABI?

You can add any new fields at the end of the struct without breaking
compatibility. People do it all the time.

-- 
Anton Khirnov