factor/extra/audio/engine/test/test.factor

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1.6 KiB
Factor

! (c)2009 Joe Groff bsd license
USING: accessors timers audio audio.engine audio.loader calendar
destructors io kernel locals math math.functions math.ranges specialized-arrays
sequences random math.vectors ;
FROM: alien.c-types => short ;
SPECIALIZED-ARRAY: short
IN: audio.engine.test
TUPLE: noise-generator ;
M: noise-generator generator-audio-format
drop 1 16 8000 ;
M: noise-generator generate-audio
drop
4096 [ -4096 4096 [a,b] random ] short-array{ } replicate-as
8192 ;
M: noise-generator dispose
drop ;
:: audio-engine-test ( -- )
"vocab:audio/engine/test/loop.aiff" read-audio :> loop-sound
"vocab:audio/engine/test/once.wav" read-audio :> once-sound
0 :> i!
f 4 <audio-engine> :> engine
engine start-audio*
engine T{ audio-source f { 1.0 0.0 0.0 } 1.0 { 0.0 0.0 0.0 } f } loop-sound t
play-static-audio-clip :> loop-clip
engine T{ audio-source f { -1.0 0.0 0.0 } 1.0 { 0.0 0.0 0.0 } f } noise-generator new 2
play-streaming-audio-clip :> noise-clip
[
i 1 + i!
i 0.05 * [ sin ] [ cos ] bi :> ( s c )
loop-clip source>> { c 0.0 s } >>position drop
noise-clip source>> { c 0.0 s } -2.0 v*n >>position drop
i 50 mod zero? [
engine T{ audio-source f { 0.0 0.0 0.0 } 1.0 { 0.0 0.0 0.0 } f } once-sound f
play-static-audio-clip drop
] when
engine update-audio
] 20 milliseconds every :> timer
"Press Enter to stop the test." print
readln drop
timer stop-timer
engine dispose ;
MAIN: audio-engine-test