Re: Export to Camera

[Stephane Delcroix <stephane delcroix org>]

On Fri, 2009-09-18 at 22:33 +0100, Ewan Davies wrote:
> Hello f-spot list,
> 
> I have a Sony camera which I can connect to a TV to view my photos.
> The bundled software PMB allows transferring photos FROM the computer
> TO the camera to facilitate viewing on the TV but on windows only.
> This is not implemented in f-spot so I am writing an extension to
> provide this export functionality.
> 
> My problem is that I don't know what is the best way to access the
> camera. Since different vendors have different naming schemes, my
> current implementation asks the user to find the root of the device
> with a GtkFileChooserButton, and then I have (ugly) code to look for a
> "dcim" subfolder. I take the last subdir (alphabetically) of dcim and
> the filename of the last photo. The photo should have a 'prefix' such
> as "dsc" and a number such as "03040" which I look for and then
> increment the number as I copy across each photo.

Look at how we detect camera for import.
> 
> This obviously has its limitations (although does what I want...) and
> I would like to know if there are any people knowledgeable of camera
> filesystems who could help.
> 
> Another question is whether PTP would be better, but I don't know
> anything about the protocol. Would cameras ACCEPT photos over PTP or
> are they export only? My hope is that via PTP the camera would sort
> out naming and file structure automatically in its own vendor-specific
> manner. Is PTP implemented in F-Spot?

ptp supports that... on supported cameras. and yes, f-spot has ptp
supports through gphoto2

s
> 
> Thanks for your time,
> 
> Ewan
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