Un exemple d'interface :

Le contenu du fichier testFLTK.csd :
csoundsynthesizer
csoptions
-odevaudio -b400
/csoptions
csinstruments
sr = 44100 ;SAMPLE RATE
kr = 4410 ;CONTROL RATE
ksmps = 10 ;NUMBER OF AUDIO SAMPLES IN EACH CONTROL CYCLE
nchnls = 1 ;NUMBER OF CHANNELS (2=STEREO)
; fenetre | larg | haut | x | y
FLpanel "testFLTK.csd", 490, 100, 10, 300
;VALUE_DISPLAY_BOXES WIDTH | HEIGHT | X | Y
idamp FLvalue " ", 70, 18, 5, 5
idfreq FLvalue " ", 70, 18, 5, 45
;SLIDERS | HANDLE MIN | MAX | EXP | TYPE | DISP | WIDTH|HEIGHT| X | Y
gkPartAmpl, ihPartAmpl FLslider "Ampl", 0, 5000, 0, 3, idamp, 400, 25, 80, 5
gkPartFreq, ihPartFreq FLslider "Freq", 50, 2000, 0, 3, idfreq, 400, 25, 80, 45
;SET_INITIAL_VALUES | VALUE | HANDLE
FLsetVal_i 1000, ihPartAmpl
FLsetVal_i 440, ihPartFreq
FLpanel_end ;END OF PANEL CONTENTS
FLrun ;RUN THE FLTK WIDGET THREAD
instr 1
;OUTPUT OPCODE AMPLITUDE | FREQUENCY | FUNCTION_TABLE
a1 oscil gkPartAmpl, gkPartFreq, 1
out a1
endin
/csinstruments
csscore
f 1 0 4096 10 1 ;A SINE WAVE
;INSTR | START | DURATION
i1 0 3600 ;DUMMY SCORE EVENT - ALLOWS REALTIME PERFORMANCE FOR UP TO 1 HOUR
/csscore
/csoundsynthesizerLa commande pour lancer le programme :
csound testFLTK.csdQuelques liens :
Csound Realtime FLTK Examples
FLTK Widgets and GUI controllers
Les balises csoptions contiennent les options du lancement de Csound. Ce sont elles qui dirigent le son de sortie vers la carte audio, en temps réel.
Command-line Flags (by Category)
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