Camera 2: Tele and wide angle cameras

[simonschmeisser]

The Sony Xperia 10 III has three cameras on the back but only one is announced currently. On Android the camera is switched automatically based on zoom level but ACameraMetadata_isLogicalMultiCamera returns false here:

droidmedia/droidmediacamera2.cpp

Line 421 in 7940c60

if (ACameraMetadata_isLogicalMultiCamera(camera_metadata,

Do we need to enable this somehow? Is there another way to switch cameras?

Some links:
https://developer.android.com/media/camera/camera2/multi-camera

https://developer.android.com/ndk/reference/group/camera#group___camera_1gga8480a8f9e2ee6f1ad2489ee1649f9ef9ad0531bfb7b50c1e6dd4ff85b630b790e

The docs also talk about fancy multi camera modes with stuff like bokeh effects by combining several cameras etc. Do we expect these to be implemented and unlockable here?

[abranson]

The other physical cameras on the Xperia 10iii are disabled by default because they cause problems on the camera1 API. You can enable multiple cameras by editing a config file like this:

https://docs.sailfishos.org/Support/Help_Articles/Camera/#multiple-cameras-of-xperia-10-iii

There's also an app on Chum to do this with a top menu item:

https://build.sailfishos.org/package/show/sailfishos:chum/x10iii-cam-button

[simonschmeisser]

Thanks!

Now I see 5 circles in the ui of which three select the three back lenses. Unfortunately after tapping on circle nr 4 once I'm stuck there. I can switch to front camera and restart jolla-camera, then the front camera works again. But as soon as I switch to the back camera I'm stuck with a black image.

[mlehtima]

You probably need to remove the current camera index from dconf to get it working again.

[abranson]

You can do that with dconf reset /apps/jolla-camera/deviceId (maybe I had to do that recently myself...)

[simonschmeisser]

Thanks for your very handy tip!

02-13 20:53:25.364 12227   293 E DroidMediaCamera: Camera 0 facing 1 orientation 90
02-13 20:53:25.369 12227   293 E DroidMediaCamera: Camera 1 facing 0 orientation 270
02-13 20:53:25.374 12227   293 E DroidMediaCamera: Camera 2 facing 1 orientation 90
02-13 20:53:25.380 12227   293 E DroidMediaCamera: Camera 3 facing 1 orientation 90
02-13 20:53:25.385 12227   293 E DroidMediaCamera: Camera 4 facing 0 orientation 90
02-13 20:53:25.390 12227   293 E DroidMediaCamera: Camera 5 facing 1 orientation 270
02-13 20:53:25.396 12227   293 E DroidMediaCamera: Multicamera with physical camera count 2
02-13 20:53:25.396 12227   293 E DroidMediaCamera: Camera 6 facing 1 orientation 90

So two selfies and 5 back facing cameras, interesting! Does anybody know how to filter these?

ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE was set for all of them

[abranson]

I think the other three are virtual cameras made from combining other - maybe those bokeh ones or something. I think there's something in there to identify physical and virtual cameras, but either it's not working or someone was hoping to get those working? Not sure sorry.