The VideoLAN Forums

Impressive response time, thank you!

Ah, that would do it. I did skim that code, but didn't stop to think about what it was [not] doing. Yes, certainly. I gather that a can't upload media samples here, so have uploaded a temporary copy elsewhere. If you'd like to retain it as a test case then please save a copy. (assume CC-BY terms). h...

So, answering my own question: there would appear to some differences in how different tools encode the image metadata. Using exiv2 to merely set the same tag value that's already present resolves the problem: $ exiv2 -M 'set Xmp.GPano.ProjectionType equirectangular' mo GS__0079.JPG After doing this...

I understand that VLC is expected to be able to recognise "360°" photos (i.e. not just videos) and automatically enter the spherical viewer mode when it does so. I've taken a (many...) "360 Photos" with a GoPro MAX. The photos contain apparently reasonable metadata to specify thi...