XMP sidecar support

[aqw]

First off: great project. This is (nearly) exactly what I've been looking for.

I develop all my photos using Darktable, which stores all the modifications in a sidecar XMP file. My dream is to skip the export process and just have a FUSE-based FS that auto-converts from CR2 to jpg on the fly, while also applying the modifications defined in the XMP file.

Thoughts?

---Alex

[angryziber]

I am afraid this would be too slow to have as a filesystem - imagine opening a file and waiting for 30 sec before you can read the data.

Another option would probably be to use darktable's thumbnail cache, but I am not sure how many images does it contain. Maybe try to load from cache or use the embedded thumbnail if absent. This needs some investigation.

On Sun, 14 Jan 2018, 19:42 Alex Waite, notifications@github.com wrote:

First off: great project. This is (nearly) exactly what I've been looking for.

I develop all my photos using Darktable, which stores all the modifications in a sidecar XMP file. My dream is to skip the export process and just have a FUSE-based FS that auto-converts from CR2 to jpg on the fly, while also applying the modifications defined in the XMP file.

Thoughts?

---Alex

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Anton

[aqw]

@angryziber Thanks for the response. On my moderately performant server (Xeon D-1541), it takes on average ~5.5 seconds per file when running a darktable-cli export (a close enough approximation). Surprisingly, decreasing the output resolution had only a minimal impact.

5s is still quite slow, but just thought I'd throw some numbers your way.

Thanks for looking into this. :-)

---Alex