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Re:Ask HN: Alternatives to Google Photos? by tompagenet2 on Monday May 31, 2021 @02:34AM (#27340927)
Hey, PhotoStructure looks amazing. I'm intrigued. How and when does bitrot detection work? I couldn't find it on your site. I spend a decent amount of time making PAR2 volumes so I can detect failures as I've not come up with a better idea.
Re:Ask HN: Alternatives to Google Photos? by mceachen on Monday May 31, 2021 @10:54AM (#27344655)
The bitrot detection is via libjpeg, libraw, and ffmpeg (to handle both photo and video validation): they can be run in verbose modes that can report decoding errors which are due to file truncation or outright corruption.
Re:Ask HN: Alternatives to Google Photos? by tompagenet2 on Monday May 31, 2021 @02:52PM (#27347056)
Wow - this sounds amazing. How does one set it up; does it automatically occur?
Re:Ask HN: Alternatives to Google Photos? by mceachen on Monday May 31, 2021 @03:52PM (#27347525)
Yeah, it's part of automatic organization:

https://photostructure.com/getting-started/automatic-library...