Hi, On Tue, Apr 14, 2020 at 08:58:55PM +0200, Jon Molin wrote: > Hi, > > I'm poking around at libgphoto2 and I have a bit of trouble understanding > how the gp_widgets are intended to be used. Obviously life isn't as easy as > Nikon, Canon etc are using the same name for the same settings internally. > > What I'm trying to do is to offer camera agnostic ways to do some common > operations, such as set ISO, shutter speed and aperture. > > Looking at camlibs/ptp2/config.c it seems like you have striven to have the > same names for the functions no matter the model. But for aperture I > noticed that (assuming I'm understanding things correct) it's is called > aperture for about half of the brands while it's called f-number for the > other half. ISO and shutter speeds seems to be the same though. > > I also had a quick look at Darktable ( > https://github.com/darktable-org/darktable/blob/893effa0f18e5628de6e6636deb70e51fe987ac6/src/libs/camera.c#L573 > ) and it seems like I need to have special cases for a couple of the > settings. > > So, my two questions would be: > > Is the Darktable way the intended way to implement it? IE I get all > settings, look if f-number exist among them and if so determine that's the > way, otherwise go for aperture (if that exist) > > If not getting a nudge in the right direction would be great.
Thanks for bringing this up! Our strategy here is to align the names and settings of different values to the same between camera brands, to avoid clients tools to do that. (I so far was kind of confused between f-number and aperture I have to admit.) Ciao, Marcus _______________________________________________ Gphoto-devel mailing list Gphoto-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gphoto-devel
