[FFmpeg-devel] [PATCH] Add a gamma flag to exr loader to avoid banding

[Michael Niedermayer]

On Mon, Apr 28, 2014 at 09:19:07PM +0200, Reimar Döffinger wrote:
> On 28.04.2014, at 19:59, Michael Niedermayer <michaelni at gmx.at> wrote:
> > On Mon, Apr 28, 2014 at 11:43:16AM -0300, Gonzalo Garramuno wrote:
> >> 
> >> Ping.  Just checking if the patch will be (pretty please) accepted or not.
> > 
> > patience
> > 
> > First it seems to still have a bug
> > it fails fate
> > --- ./tests/ref/fate/exr-slice-raw      2014-04-28 04:14:37.849375679 +0200
> > +++ tests/data/fate/exr-slice-raw       2014-04-28 19:50:27.430558597 +0200
> > @@ -1,2 +1,2 @@
> > #tb 0: 1/25
> > -0,          0,          0,        1,  3169800, 0x6a356d0d
> > +0,          0,          0,        1,  3169800, 0x2cfefd25
> > 
> > Second, some people seem to dislike it, and some (me and you at least)
> > seem to think its ok until full float pixel format support
> > exists.
> 
> I will not object to it, but some considerations:
> 1) I think we agree that is a bad hack for something that could and should be fixed properly.
> 2) There is a balance between accepting hacks out of pragmatism vs. ending up encouraging people to write hacks instead of good solutions (note in particular that I believe this issue is basically the result of someone else having chosen the easier way, thus one hack resulting in the next).

> 3) It adds an option that people might rely on but which might be incompatible/require more hacks to support in a better solution. I would suggest marking the option as experimental/unsupported in the meaning we may remove it at any time with only a minor version bump.

agree

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The bravest are surely those who have the clearest vision
of what is before them, glory and danger alike, and yet
notwithstanding go out to meet it. -- Thucydides
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