Hi Alexander,
Quoting Alexander Stein (2023-05-23 14:15:55)
> Hi Kieran,
>
> Am Mittwoch, 17. Mai 2023, 14:07:35 CEST schrieb Kieran Bingham:
> > Hi Alex,
> >
> > Quoting Alexander Stein (2023-05-17 09:27:59)
> >
> > > By default only uvcvideo, simple and vimc pipelines as well as vimc IPA
> > > are built. Add new variables for enabling a custom set of enabled
> > > pipelines and IPAs.
> > >
> > > Signed-off-by: Alexander Stein <alexander.st...@ew.tq-group.com>
> > > ---
> > > An example is the 'rkips1' pipeline and IPA.
> > >
> > > .../recipes-multimedia/libcamera/libcamera_0.0.5.bb | 7 +++++--
> > > 1 file changed, 5 insertions(+), 2 deletions(-)
> > >
> > > diff --git
> > > a/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.5.bb
> > > b/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.5.bb index
> > > 14a20b431..47da0ec61 100644
> > > --- a/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.5.bb
> > > +++ b/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.5.bb
> > > @@ -26,9 +26,12 @@ PACKAGES =+ "${PN}-gst"
> > >
> > > PACKAGECONFIG ??= ""
> > > PACKAGECONFIG[gst] =
> > > "-Dgstreamer=enabled,-Dgstreamer=disabled,gstreamer1.0
> > > gstreamer1.0-plugins-base">
> > > +LIBCAMERA_PIPELINES ??= "uvcvideo,simple,vimc"
> > > +LIBCAMERA_IPAS ??= "vimc"
> >
> > Could you test with LIBCAMERA_PIPELINES ??= "auto" please? That should
> > give an appropriate selection based on the architecture. But it may
> > depend on the correct architecture being conveyed through the meson
> > cross files.
>
> That seems to work as well. Using "-Dpipelines=auto" and "Dipas" removed, I
> get the following lines in log.do_configure:
>
> > Configuration
> >
> > IPA modules signed with : gnutls
> > Enabled pipelines : imx8-isi
> >
> > rkisp1
> > rpi/vc4
> > simple
> > uvcvideo
> >
> > Enabled IPA modules : rkisp1
> >
> > rpi/vc4
>
> This seems a good default for an aarch64 platform.
>
> > > +
> > >
> > > EXTRA_OEMESON = " \
> > >
> > > - -Dpipelines=uvcvideo,simple,vimc \
> > > - -Dipas=vimc \
> > > + -Dpipelines=${LIBCAMERA_PIPELINES} \
> > > + -Dipas=${LIBCAMERA_IPAS} \
> >
> > I think you should probably remove the -Dipas option too and let that be
> > selected automatically by the pipelines choice.
>
> That's true as well (see above), but I still would like to disable unneeded,
> unwanted IPAs or pipelines. If I read the meson code correctly an IPA is only
> enabled if a corresponding pipeline is enabled as well, right?
Correct. Only IPA's with a corresponding Pipeline handler enabled will be built.
And with auto - that will match the target architecture + UVC.
--
Kieran
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