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acquireDirect proof of concept

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extremely low CPU usage in PC Speaker

WARNING! no per-chan osc yet!
This commit is contained in:
tildearrow 2025-02-25 19:58:25 -05:00
parent 4502fa6912
commit d935d3c6d1
2 changed files with 41 additions and 21 deletions
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6
src/engine/platform/pcspkr.h
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@ -51,8 +51,8 @@ class DivPlatformPCSpeaker: public DivDispatch {
FixedQueue<RealQueueVal,2048> realQueue;
std::mutex realQueueLock;
bool isMuted[1];
bool on, flip, lastOn, realOutEnabled, resetPhase;
int pos, speakerType, beepFD, realOutMethod;
bool on, flip, lastOn, realOutEnabled, resetPhase, posToggle;
int pos, oldOut, speakerType, beepFD, realOutMethod;
float low, band;
float low2, high2, band2;
float low3, band3;
@ -67,7 +67,7 @@ class DivPlatformPCSpeaker: public DivDispatch {
void beepFreq(int freq, int delay=0);
void acquire_unfilt(short** buf, size_t len);
void acquire_unfilt(blip_buffer_t** bb, size_t off, size_t len);
void acquire_cone(short** buf, size_t len);
void acquire_piezo(short** buf, size_t len);
void acquire_real(blip_buffer_t** bb, size_t off, size_t len);