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2015-04-07 22:10:17 -05:00

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(INSTRCLAR-COMPLETE-ALG
;; parameters are:
;; freq_env -- frequency modulation, aftertouch 128
;; breath_env -- amplitude envelope, aftertouch 128
;; vibrato_freq -- vibrato frequency, ModFreq 11
;; vibrato_gain -- vibrato gain, ModWheel 1
;; reed_stiffness -- reed stiffness, ReedStiff 2
;; noise -- noise, Noise 4
;;
(NAME "clarinet_all")
(ARGUMENTS ("double" "freq") ("sound_type" "breath_env")
("sound_type" "freq_env")
("double" "vibrato_freq") ("double" "vibrato_gain")
("sound_type" "reed_stiffness") ("sound_type" "noise_env")
("rate_type" "sr"))
;; use a constant rate of 1.0 because it will actually be conrolled
;; by breath_env
(STATE ("struct instr *" "clar" "initInstrument(CLARINET, round(sr));
noteOn(susp->clar, freq, 1.0);
controlChange(susp->clar, 11, CLAR_CONTROL_CHANGE_CONST * vibrato_freq);
controlChange(susp->clar, 1, CLAR_CONTROL_CHANGE_CONST * vibrato_gain);")
("double" "frequency" "freq")
("float" "breath_scale" "breath_env->scale * CLAR_CONTROL_CHANGE_CONST")
("float" "reed_scale" "reed_stiffness->scale * CLAR_CONTROL_CHANGE_CONST")
("float" "noise_scale" "noise_env->scale * CLAR_CONTROL_CHANGE_CONST"))
(START (min breath_env))
; matched doesn't help much because controlChange() is called in inner loop
;(MATCHED-SAMPLE-RATE freq_env breath_env reed_stiffness noise_env)
(ALWAYS-SCALE freq_env)
(INTERNAL-SCALING breath_env reed_stiffness noise_env)
(INLINE-INTERPOLATION no)
(CONSTANT "frequency" "breath_scale" "reed_scale" "noise_scale")
(SAMPLE-RATE "sr")
(TERMINATE (min breath_env))
(INNER-LOOP "controlChange(clar, 128, breath_scale * breath_env);
controlChange(clar, 2, reed_scale * reed_stiffness);
controlChange(clar, 4, noise_scale * noise_env);
setFrequency(clar, frequency + freq_env);
output = (sample_type) tick(clar)")
(SUPPORT-HEADER "#define CLAR_CONTROL_CHANGE_CONST 128\n")
(SUPPORT-FUNCTIONS "#include \"instr.h\"\n#include \"upsample.h\"\n")
(FINALIZATION " deleteInstrument(susp->clar);\n")
)