[MPlayer-G2-dev] libvo2 documentation and pre22 iz out

[Sascha Sommer]

> Hi,
>
> > > I've also finished libvo2 dosc, here's it for discussion:
> >
> > Ok i've done some changes, actually added (optional) support for
on-demand
> > buffer allocation:
>
> pre24 released with the related libvo2 and vf_vo2 changes:
>
> "upgrade" recommended for libvo2 developers/users only.
>
> pre24:
> - vf_vo2: query_format() fixed
> - libvo2: support for on-demand buffer allocation (& release) added
> - vf_vo2: get_image() reworked to use vo2_get|release_buffer
> - vf_vo2: combined DR + slices fixed/handled
> - temporary options added: -dr and -force-dr (DR1 is still disabled by
default)
> - vf_vo2: verbose messages printed when DR checks failed, with reason
detailed
>

Can you also add return values for frame_start and frame_done and disable
rendering if they fail?
It seems like a few (directfb, directx, sdl?...) drivers will probably use
those to lock/unlock buffer memory. If this fails
the pointers may become invalid what will, under bad conditions, leed to
system locks.

Sascha