diff options
Diffstat (limited to 'lambeat.scm')
| -rw-r--r-- | lambeat.scm | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lambeat.scm b/lambeat.scm new file mode 100644 index 0000000..ac3bb76 --- /dev/null +++ b/lambeat.scm @@ -0,0 +1,20 @@ +(use-modules (ice-9 binary-ports)) +(include "music.scm") + +(define bitrate 8000) + +; Get the music as a list sampled at the bitrate +(define (play t) ( + cons (music t) (if (< t 30) + (play (+ t (/ 1 bitrate))) + '() + ) +)) + +; Output the list in the s16 raw audio format +(for-each (lambda (a) ( + let ((b (modulo (inexact->exact (round (* (+ a 2) 32768))) 65536))) + cons + (put-u8 (current-output-port) (modulo b 256)) + (put-u8 (current-output-port) (quotient b 256)) +)) (play 0)) |