SDL_mixer: Adding the ability to have multiple sound devices to each have their own mixer

[superhac]

Hi! I was looking to have two sound devices in use simultaneously with each having its own mixer. From what I've been able to determine is that you can open multiple mixers on different sound devices but you can't specify which one you would like to use with any of the calls that affect the mixer. For instance this one: https://wiki.libsdl.org/SDL3_mixer/Mix_FadeInMusic. I asked about this and it was confirmed on the Discord channel as a limitation. Do you think we could get this added to next release of SDL mixer?

Thanks!

[slouken]

Yes, we'll keep this in mind for SDL_mixer 3.0 release.

[superhac]

That's great. Thank you!

[icculus]

You can do this with the new SDL3_mixer API that just landed in main!