Closed DarkRB closed 2 years ago
Well, this tool is dedicated to CSO, there are other tools for CHD. It seems like maybe there's only just one tool for CHD, but I suppose it's not very mature, after all.
I would think someone else, perhaps you, might just write a "maxchd" if you're so inclined.
Personally, I've found CHD to be dominated by some kind of hype machine - when I first heard about it, someone named all kinds of emulators it was implemented in. I looked at those (to see about implementing in PPSSPP), and it wasn't implemented at all. In fact, there were only requests from the same group of people - some claiming that PPSSPP itself already supported it.
Even later, someone again requested support and named features "PPSSPP would be getting" with CHD support... that it turned out were just future features someone might implement in CHD some day.
I'm not saying it's a terrible format (although it seems like with higher block sizes, it compresses about as well as CSO and just increases latency on read.) But it's almost like someone has tried to systematically make me uninterested in it.
Anyway, some of maxcso
's design assumes files will be mode 1 and is more about "crunching" the zlib compression it uses. Doing that for lzma seems like it'd be massively slower, and really seems like a whole separate project.
-[Unknown]
CHD seems to offer some advantages compared to cso, and its gaining increasing addeption from emulators (as of 1.7.0 pcsx2 also supports CHD). It would be nice to see support for this format in maxcso. From this quote: