Here is the description of Csound API http://en.flossmanuals.net/csound/the-csound-api/
2014-06-21 22:03 GMT+04:00 Anton Kholomiov <anton.kholom...@gmail.com>: > Be aware that Csound has made a big step forward in the version 6. > And it's different from pre 6 version. I don't know what hCsound uses. > > Csound 6 brings to the table the parallel execution and execution on the > fly. > It's possible to create instruments during the execution of the main file. > We can load new instruments and invoke them live. > > Good news that Csound should work on Rasp Pi. It's lighweight enough (see > [1]). > > [1] http://www.csounds.com/journal/issue18/beagle_pi.html > > > Cheers, > Anton > > > > > 2014-06-21 20:51 GMT+04:00 Ben Burdette <bburde...@gmail.com>: > > Ok good to know! The csound api is a separate thing from >> csound-expression then. I thought they were two implementations of the >> same interface, that clears things up for me. >> >> I got hCsound to compile (on debian), I just had to add the line: >> >> include-dirs: /usr/include/csound >> >> to hCsound.cabal. Haven't tested it beyond that though. >> >> On 06/21/2014 10:12 AM, John Lato wrote: >> > On Jun 21, 2014 12:47 AM, "Anton Kholomiov"<anton.kholom...@gmail.com> >> > wrote: >> >> Yes, you can. Csound is not only a programm (compiler) >> >> but also a C API. There are bindings for C, Java, Python. >> > There is also a Haskell binding to the Csound API. Although I think >> it's a >> > bit out of date, I'll try to update it this week. >> > >> > John >> > >> >> We can generate a Csd file, and the execute it within >> >> other program. We can interact with csd over OSC-messages >> >> and with API over channels >> >> >> >> >> >> 2014-06-21 0:10 GMT+04:00 Ben Burdette<bburde...@gmail.com>: >> >> >> >>> Cool! >> >>> >> >>> If I have my own interface written in haskell, in QT or openGL for >> >>> instance, can I trigger events in csound from that? It looks like the >> >>> csound gui stuff is csound communicating with itself, and not haskell >> >>> communicating with csound. Ie, we tell csound to create a slider, and >> >>> then start csound, but after that haskell has no interaction. Is that >> >>> correct? >> >>> >> >>> I'm looking to run a program on a raspberry pi that has no keyboard or >> >>> gui itself, and control the sound output from haskell, which would >> read >> >>> network messages and play sounds in response. So the realtime input >> >>> would be from another machine. I looked at csound-expression for this >> >>> but I couldn't figure out if realtime interaction from haskell is >> >>> possible. Maybe through OSC messages? >> >>> >> >>> On 06/20/2014 01:50 PM, Anton Kholomiov wrote: >> >>>> Yes, you can even create Gui-widgets >> >>>> >> >>>> >> > >> https://github.com/anton-k/csound-expression/blob/master/tutorial/QuickStart.markdown#gui-elements >> >>>> I have to admit that keyboard interaction is not so thoroughly >> > tested. It >> >>>> can be buggy.. >> >>>> You can make an issue in github) Any help is welcome >> >>>> >> >>>> >> >>>> 2014-06-20 23:34 GMT+04:00 Ben Burdette<bburde...@gmail.com>: >> >>>> >> >>>>> Nice! That looks easy to use. >> >>>>> >> >>>>> Is it possible to kick off sample playback from haskell in real >> > time, in >> >>>>> response to keyboard events for instance? >> >>>>> >> >>>>> On 06/20/2014 01:17 PM, Anton Kholomiov wrote: >> >>>>>> I wanted to mix a drum-loop with the tanpura sound to play along >> >>>>>> with bansuri flute. I've got a short drum-loop and looong file of >> > the >> >>>>>> tanpura drone and haskell. So I've done it with my library >> >>>>>> csound-expression and moved the usefull functionality in the >> >>>>>> library. Now it's much easier to play sound files. >> >>>>>> >> >>>>>> And.. >> >>>>>> >> >>>>>> I'd like to announce the new version of the library >> > 'csound-expression' >> >>>>> [1] >> >>>>>> With new functions it's very easy to read and playback sound files. >> >>>>>> recently I wanted to make a simple mix of drum loop with harmony. >> >>>>>> With new functions it's as simple as >> >>>>>> >> >>>>>> ~~~ >> >>>>>> module Main where >> >>>>>> >> >>>>>> import Csound.Base >> >>>>>> >> >>>>>> -- ten minutes >> >>>>>> totalDur = 10 * 60 >> >>>>>> >> >>>>>> main = dac $ takeSnd totalDur $ tabla + mul 0.5 tanpura >> >>>>>> where >> >>>>>> tabla = loopSnd "tanpura - f - sp.mp3" >> >>>>>> tanpura = loopSndBy 8 "Teentaal.wav" >> >>>>>> ~~~ >> >>>>>> >> >>>>>> ~~~ >> >>>>>> -- to read file in loop >> >>>>>> loopSnd :: String -> (Sig, Sig) >> >>>>>> >> >>>>>> -- to read file in loop with given period >> >>>>>> loopSndBy :: D -> String -> (Sig, Sig) >> >>>>>> >> >>>>>> -- to take only given amount of seconds from file >> >>>>>> takeSnd :: Sigs a => Double -> a -> a >> >>>>>> >> >>>>>> -- to scale signals with the given signal >> >>>>>> mul :: SigSpace a => Sig -> a -> a >> >>>>>> ~~~ >> >>>>>> >> >>>>>> D is a Double inside dsl, Sigs is a type class for tpules of >> > signals. >> >>>>>> There are functions to read wav-files with the given speed. >> >>>>>> Here is how we can listen to the file in reverse in the terminal: >> >>>>>> >> >>>>>> ~~~ >> >>>>>> ghci >> >>>>>>> :m +Csound.Base >> >>>>>>> readWav (-1) "fuzzy-buzzy-sound.wav" >> >>>>>> ~~~ >> >>>>>> >> >>>>>> The functions `readWav` and `loopWav` take a speed >> >>>>>> of playback as first argument (and it's signal. We can change >> >>>>>> it over time) >> >>>>>> >> >>>>>> ~~~ >> >>>>>> readWav :: Sig -> String -> (Sig, Sig) >> >>>>>> loopWav :: Sig -> String -> (Sig, Sig) >> >>>>>> ~~~ >> >>>>>> >> >>>>>> You can look at all new functions at >> >>>>>> >> >>>>>> >> > >> https://hackage.haskell.org/package/csound-expression-3.2.3/docs/Csound-Air.html#g:13 >> >>>>>> Sorry for skipping the docs. I hope that description above helps >> >>> somehow. >> >>>>>> I''m going to fix it soon. >> >>>>>> >> >>>>>> [1]https://hackage.haskell.org/package/csound-expression-3.2.3 >> >>>>>> >> >>>>>> >> >>>>>> Cheers >> >>>>>> Anton >> >>>>>> >> >>>>> -- >> >>>>> >> >>>>> Read the whole topic here: Haskell Art: >> >>>>> http://lurk.org/r/topic/1LjVC2esBoyvTI5wy6etKT >> >>>>> >> >>>>> To leave Haskell Art, emailhaskell-...@group.lurk.org with the >> >>> following >> >>>>> email subject: unsubscribe >> >>>>> >> >>> -- >> >>> >> >>> Read the whole topic here: Haskell Art: >> >>> http://lurk.org/r/topic/7BRSvu88fS55f1gDWxCc0x >> >>> >> >>> To leave Haskell Art, emailhaskell-...@group.lurk.org with the >> > following >> >>> email subject: unsubscribe >> >>> >> >> -- >> >> >> >> Read the whole topic here: Haskell Art: >> >> http://lurk.org/r/topic/4c5MI0ikR08Yxg2oPjXDZg >> >> >> >> To leave Haskell Art, emailhaskell-...@group.lurk.org with the >> following >> > email subject: unsubscribe >> > >> >> >> -- >> >> Read the whole topic here: Haskell Art: >> http://lurk.org/r/topic/1G4Sh6UVRDYSMOmC839sz7 >> >> To leave Haskell Art, email haskell-...@group.lurk.org with the >> following email subject: unsubscribe >> > > -- Read the whole topic here: Haskell Art: http://lurk.org/r/topic/3rSYzqZXFkjaxbeMN2Gp7R To leave Haskell Art, email haskell-...@group.lurk.org with the following email subject: unsubscribe
