Wrap MIDI APIs

[Boddlnagg]

If this crate also contained the MIDI APIs, I could use it in https://github.com/Boddlnagg/midir. Since you say that these APIs are not implemented "mostly because nobody asked for them", I'm just going to ask for them now 😉

I'm currently wrapping some parts myself (https://github.com/Boddlnagg/midir/blob/master/src/backend/alsa/wrappers.rs), mostly to be able to use RAII, but I'm not sure if those wrappers are actually safe. They are used in https://github.com/Boddlnagg/midir/blob/master/src/backend/alsa/mod.rs (ALSA is actually the most complicated of the backends in midir ...).

[diwic]

Your request is hereby noted! :-)
I'll have a look at your wrap code - if I find it suitable, am I allowed to copy/paste freely from your code into this repository or would you prefer I rewrite it?

[Boddlnagg]

You are allowed to copy/paste freely.

[diwic]

@Boddlnagg
Okay, so I've been working on this quite a bit this week. The seq API is indeed huge. I started with the parts that you seemed to need and I think I'm almost done with that part now (although I probably have missed something, and it could use some more testing).

Would you mind having a look and see if it looks the way you expect?

(Btw, I didn't end up copy-pasting much. Mostly a few constants)

[Boddlnagg]

@diwic Thanks a lot! Unfortunately I don't have much time this week (and probably also the coming weeks), so it will take some time until I can have a look ... sorry.

[diwic]

@Boddlnagg
Cool. I've just released a new version of alsa-rs where all this is implemented (I hope), so I'm closing this issue now. Feel free to reopen (or open a new issue) in case if there's something I missed etc.