#83 Using an Akai MPK Mini IV control surface

[Christophe MALHAIRE]

Hi,
I just bought an Akai control surface and I'm trying to modify Rosegarden to be able to use it. See the changes I propose in the attached .zip file (sorry I don't know how to use SourceForge and I'm not a good programmer!). This is just a start but I hope it can help someone.

[Ted Felix]

Just pushed this as [453b82]. Please test latest git.

Some points for consideration:

1. I marked it "experimental" in the preferences since it is not complete.
2. Be sure to use the developer cmake line in the README. It will catch a number of issues.
   • cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="-Werror -fsanitize=address -fno-omit-frame-pointer"
3. If you don't mind, use RG_DEBUG instead of printf() for debugging. You can search the code for examples. It is removed in a release build, so it has no impact on performance.

Looks great for a first start. Thanks.