ronimusic.com is not reliable anymore

[pedrolcl]

Sonivox version

4.0.1

Description

The build system tries to download "http://www.ronimusic.com/sf2/Airfont_340.dls" for testing, and it fails most of the time. The upstream server is not reliable anymore.

This web https://musical-artifacts.com/artifacts/1289 has a mirror that is not much better

https://musical-artifacts.com/artifacts/1289/Airfont_340.dls

we need to look for an alternative.

[rsp4jack]

As (probably) previous mentioned, an ultimate solution is to look for a concise DLS test file, so it can be put into repo. However it may be needed to create one by ourselves, I think, by trimming a existing DLS.

[pedrolcl]

As (probably) previous mentioned, an ultimate solution is to look for a concise DLS test file, so it can be put into repo. However it may be needed to create one by ourselves, I think, by trimming a existing DLS.

And, to include into the repo, it must have a compatible license.

[pedrolcl]

A provisional solution, meanwhile, is to add an option to enable/disable the DLS tests (#26)