#racket on 2022-04-18 — irc logs at libera.irclog.whitequark.org

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14:56 <nihilazo> hi, do any libraries/tools/etc exist for doing realtime audio in racket? I only know of stuff for playing existing .wav files etc

14:59 <nihilazo> I can see rsound and portaudio in the documentation but I'm not sure how up to date/supported/maintained these are

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15:01 <samth> rsound continues to be developed

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20:34 <kengruven> i've installed SDL (the C library), and the racket package sdl, and when i (require sdl) it says "ffi-lib: could not load foreign library". is there an envar i can set to help out the FFI?

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20:42 <mikko> kengruven: you may want to consider racket-sdl2 bindings instead https://github.com/lockie/racket-sdl2#related-projects

20:47 <kengruven> mikko: thanks for the tip. but i get the same ffi error with that one, too.

20:50 <mikko> sorry i can't help you with that, it worked for me (on opensuse tumbleweed) after just "raco pkg install racket-sdl2"

21:09 <kengruven> ahh, LD_LIBRARY_PATH does the trick

21:10 <mikko> out of curiosity what did you have to set it to?

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21:13 <kengruven> it's /usr/local/lib/ (where my libsdl got installed).

21:14 <kengruven> though reading "man dlopen", with no special paths set, i don't understand why that isn't in the search path by default. but it works.

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21:26 <mikko> yeah that's weird, /usr/local/lib should definitely be in default search path

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22:54 <samph_> tonyg: did you write a Smalltalk style inspector for DrRacket? Or maybe this is something I imagined.

22:54 samph_ is now known as samph

22:55 <bremner> samph: there is explorer

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22:56 <samph> bremner: Yes that's it. Thank You.

22:57 <bremner> cool.

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22:58 <samph> I was grepping through some pretty-print hack I constructed and realized it would be much easier if I had an Inspector.

22:58 <bremner> I _think_ it can work outside drracket, although it does need a graphical display

22:59 <bremner> I vaguely recall invoking it from emacs racket-mode

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