rsc3/doc/examples/ugen/disk-io/disk-out.help.scm

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Scheme

;; (disk-out bufnum channels)
;; Note: There are constraints on the size of the buffer, it must be
;; greater than or equal to twice the size of the audio bus. There
;; must be the same number of channels at the buffer and the disk-out
;; ugen.
(let ((bus-size 1024)
(bufferexpt 15))
(= 0 (fxand (expt 2 bufferexpt)
(- (fxarithmetic-shift bus-size 1) 1))))
(let ((g (letc ((bufnum 0))
(let ((z (clip2
(rlpf
(lf-pulse ar
(mul-add (sin-osc kr 0.2 0) 10 21)
(mce2 0 0.1)
0.1)
100
0.1)
0.4)))
(mrg2 (disk-out bufnum z)
(out 0 z))))))
(with-sc3
(lambda (fd)
(send-synth fd "disk-out-help" g)
(async fd (b-alloc 10 32768 2))
(async fd (b-write 10
"/tmp/test.aiff"
"aiff"
"float"
32768
0
1))
(send fd (s-new1 "disk-out-help" 1001 1 1 "bufnum" 10)))))
(with-sc3
(lambda (fd)
(send fd (n-free1 1001))
(async fd (b-close 10))
(async fd (b-free 10))))
(system "sndfile-info /tmp/test.aiff")
(system "jack.play /tmp/test.aiff")