Core (LV::Video): Implement saves to PNG files

[kaixiong]

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[kaixiong]

@hartwork Looks like I somehow confused the branches, lost the changes locally, then lost it from GitHub via a forced push. Is it still possible to recover it from GitHub?

[hartwork]

@kaixiong I'm optimistic that that can be fixed. A bit further up GitHub shows this:

Following the link behind that compare button shows that the old commit still had PNG saving code in it. I think what you'll need for a fix is something like this:

git checkout png-saves
git reset --hard c2b91ebffece693826fb3868ba1834a892285e6f
git push origin png-saves --force-with-lease

If we did not have that help from GitHub, I'd try something like git reflog --all | grep 'saving to PNG' locally. It doesn't show output here, but since you have more local history on that branch than me, maybe it shows things for you?

What do you think?

[kaixiong]

@hartwork Thanks, that seems to have worked. I hadn't realised there was a compare button in the GitHub timeline. Wonder what actually went down.

[hartwork]

@kaixiong good to see PNG saving back! 👍

[hartwork]

@kaixiong found some time now, here's some minor things I found:

[hartwork]

@kaixiong thanks for the adjustments! 👍