[FFmpeg-devel] [PATCH 2/4] dpxenc: enforce alignment requirement

Michael Niedermayer michaelni at gmx.at
Thu Aug 14 12:28:20 CEST 2014

On Thu, Aug 14, 2014 at 09:36:53AM +0200, Christophe Gisquet wrote:
> Hi,
> 2014-08-14 4:30 GMT+02:00 Michael Niedermayer <michaelni at gmx.at>:
> >> probably ok
> >
> > applied
> Now that I think of it, this change causes older versions of ffmpeg to
> be unable to decode the output of the fixed encoder. So:
> - Should we bump eg a minor version number to let any decoder have the
> possibility to detect this change?

some minor or micro bump surely is a good idea

> - Should the alignment (or non-alignment) be an option instead?

this is a possibility, iam not sure how many user it would have though
most people aware of it would likely upgrade their decoder side if
they can

> Problem is that those older ffmpeg-generated dpxs may not be
> spec-compliant, but if most decoders don't know how to handle the
> supposedly spec-compliant ones, then we actually have caused more harm
> than good.
> I hate having cans of worms as breakfast.
> -- 
> Christophe
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Avoid a single point of failure, be that a person or equipment.
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