On Wed, Nov 16, 2016 at 02:39:30AM +0100, Michael Niedermayer wrote:
> On Tue, Nov 15, 2016 at 11:56:48AM -0500, Vittorio Giovara wrote:
> [...]
> > +/**
> > + * This structure describes how to handle spherical videos, outlining
> > + * information about projection, initial layout, and any other view
> > modifier.
> > + *
> > + * @note The struct must be allocated with av_spherical_alloc() and
> > + * its size is not a part of the public ABI.
> > + */
> > +typedef struct AVSphericalMapping {
> > + /**
> > + * Projection type.
> > + */
> > + enum AVSphericalProjection projection;
> > +
> > + /**
> > + * @name Initial orientation
> > + * @{
> > + * These fields represent the pose values that measure the rotation
> > + * transformation (in degrees) to be applied to the projection.
>
> > + * They are exported as 16.16 fixed point.
>
> why waste 7 bits of precission ?
>
> something like
> value * 180.0 / INT32_MAX
> seems simpler
> the user can also then just do
> value * PI / INT32_MAX
> to get radians instead of degree
> (or similar with 360 and UINT32_MAX)and of course i forgot to add the CC, mutt always removes it :( [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB What does censorship reveal? It reveals fear. -- Julian Assange
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