[FFmpeg-devel] [RFC] [PATCH] proresenc_kostya: warn/reject on incorrect profile

Michael Niedermayer michaelni at gmx.at
Sun Aug 24 18:56:47 CEST 2014

On Mon, Aug 18, 2014 at 07:26:32PM +0200, Christophe Gisquet wrote:
> Hi,
> 2014-08-18 13:40 GMT+02:00 Carl Eugen Hoyos <cehoyos at ag.or.at>:
> > Christophe Gisquet <christophe.gisquet <at> gmail.com> writes:
> > If a profile was set, the automatic setting should
> > probably not overwrite it.
> > (If this is possible.)
> >
> > But I consider the usecase where a user wants to encode
> > alpha but at the same time using a profile that
> > indicates no alpha of very limited usefulness.
> 0001-proresenc-skip-warn-on-incorrect-profile.patch is the
> continuation of the first patch: we still encode the alpha with the
> incorrect profile (ie no change in behaviour) thereby not overriding
> the user decision. If he selected strict conformance and a profile
> without alpha, alpha channel coding is skipped.

> Second patch 0001-proresenc-force-correct-profile-for-alpha.patch
> overrides the profile information. The default profile is
> introduced to control the behavior of this patch.

aggree, a PRORES_PROFILE_AUTO seems like a good idea
with it mismatching profile and pixel format can be errors while
by default the profile can be selected based on the pixel format


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The educated differ from the uneducated as much as the living from the
dead. -- Aristotle 
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