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No, you shouldn't resubmit dumps that you already have submitted. When you submit a dump on the forums, a moderator will add it to the database for you (eventually). But once you gain access to the New Disc form, feel free to use it for any dumps you haven't submitted before.

You can get a bit more data by using this:

http://redump.org/datfile/ps2/serial,version

But there's no way to download all of the data in a convenient way.

I suppose I could add a notice if you try to verify a disc that isn't in redump, but I don't know of a reliable way to distinguish between legit GameCube discs that should be in redump and custom homebrew GameCube discs that shouldn't be in redump. (For Wii discs I can check the signing and hashes.) Do you think I should add it despite that?

Thank you!

For integrating this into Dolphin, would you prefer that we ship a copy of the dat file with every release of Dolphin, or would you prefer that Dolphin downloads the dat file from redump.org on behalf of the user? The former would place less of a load on the server, but the latter would enable people to get the hashes for new dumps without having to update Dolphin. (There aren't all that many undumped discs now, though... At least if you don't count demos and all the Korean Wii games.) If I do the latter, I'll make it download only if the user is trying to verify a disc (and with local caching), so the server isn't going to be getting a request for every person who uses Dolphin or anything like that.

Also, if we ship a copy of the dat file with Dolphin, is it fine to ship the Wii dat file too even though it's not publicly available on redump.org?

That would be very nice. For Dolphin's purposes, the serial and version are the only things that really are needed (in addition to the hashes, of course). The disc number would also be convenient to have, but it can be determined based on the serial.

I don't think there's anything we can do with those unlicensed discs other than checking whether the hash is in the database or not. A lot of those discs even share the name that is displayed in the GC IPL, so there really isn't anything good to go on other than hashes.

Okay, then let's ask this instead: Are you here to submit dumps? Because the first post of the topic doesn't sound entirely like it.

I'm not aware of any discs like that other than http://redump.org/disc/10000/ (which seems like a somewhat suspicious dump since everything beyond the first four bytes apparently is identical to http://redump.org/disc/7249/). Do you have any examples, other than that one?

There isn't really any convenient romanization system that works with all dialects. If there's a game out there that is in Hokkien, it'll most likely just have to use a different romanization system.

But Shift-JIS also supports halfwidth characters. They do get used when writing Western language words embedded in Japanese text, albeit with exceptions.

For Korean games in particular, I've noticed that redump sometimes uses fullwidth spaces and sometimes uses halfwidth spaces. Seems kinda inconsistent... As far as I know, Korean usually uses halfwidth spaces.