[FFmpeg-devel] [PATCH v2 1/3] avfilter: add v360 filter

[Paul B Mahol]

On Tue, Aug 20, 2019 at 7:04 PM James Almer <jamrial at gmail.com> wrote:

> On 8/20/2019 5:29 AM, Paul B Mahol wrote:
> > On Mon, Aug 19, 2019 at 11:31 PM James Almer <jamrial at gmail.com> wrote:
> >
> >> On 8/13/2019 10:14 PM, Eugene Lyapustin wrote:
> >>> Signed-off-by: Eugene Lyapustin <unishifft at gmail.com>
> >>> ---
> >>>  doc/filters.texi         |  137 +++
> >>>  libavfilter/Makefile     |    1 +
> >>>  libavfilter/allfilters.c |    1 +
> >>>  libavfilter/vf_v360.c    | 1847 ++++++++++++++++++++++++++++++++++++++
> >>>  4 files changed, 1986 insertions(+)
> >>>  create mode 100644 libavfilter/vf_v360.c
> >>>
> >>> diff --git a/doc/filters.texi b/doc/filters.texi
> >>
> >> Shouldn't this make use of the AVSphericalMapping frame side data if
> >> available?
> >>
> >
> > It is extremely limited API.
>
> It can surely be extended if required.
>

Yes, it is required first.


>
> > And due lavfi limitations it can only clear current side data and set
> new one.
>
> Isn't that enough? This filter converts from one projection to another.
> Replacing the side data after said conversion to reflect the changes
> would be the expected behavior.
>

Yes. But no guessing of input format is currently possible IMHO.


>
> >
> >
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