[libcamera-devel] libcamera on pinephone

[Laurent Pinchart]

On Mon, Jun 20, 2022 at 10:06:49AM +0200, Jacopo Mondi wrote:
> On Mon, Jun 20, 2022 at 09:26:03AM +0200, Pavel Machek via libcamera-devel wrote:
> > Hi!
> >
> > I'd like to get video recording to work on pinephone. I had solution
> 
> Which pinephone ? The pro or the original one ?
> 
> (Difference being that the Pro is a RK3399, which features an ISP
> which libcamera supports natively, while the original one has no ISP)
> 
> > with gstreamer (https://gitlab.com/tui/tui/-/tree/master/cam), but
> > gstreamer stopped working (claims colorspace problems and refusees to
> > source data) so I'm looking at other solutions.
> >
> > What is good way to test libcamera? I'd preffer not to complicate it
> > with gstreamer so far, but I don't see good test application and
> > README does not suggest a way to start.
> 
> I suggest you to use our cli test application in src/cam/
> We also have a GUI one in src/qcam, but it's Qt based, and I'm not
> sure if you have Qt there...

There's also https://git.libcamera.org/libcamera/simple-cam.git/ that is
meant to be an example of the simplest capture application.

> However cam recently gained support for an SDL output which might be
> easier to exercize.
> 
> > build/test/camera/capture -- sounds like something suitable for basic
> > testing? But it has "platform/vimc.0 Sensor B" hardcoded and that's
> > not present.
> 
> test/ contains the library unit tests, not something that is interesting
> for users
> 
> > Are there tools such as list sensors, acquire one frame for testing,
> > ...?
> 
> Yes, cam does that.

`cam -l` to list cameras
`cam -c 1 -C 10` to capture 10 frames from the first camera
`cam -h` for more :-)

> Thanks for testing and keep us posted ;)

-- 
Regards,

Laurent Pinchart