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Add HRTF reset()

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This commit is contained in:
Ken Cooke 2018-09-26 18:18:20 -07:00
parent b02e2c8123
commit a8f7ff7d8a
1 changed files with 22 additions and 0 deletions
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22
libraries/audio/src/AudioHRTF.h
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@ -13,6 +13,7 @@
#define hifi_AudioHRTF_h #define hifi_AudioHRTF_h
#include <stdint.h> #include <stdint.h>
#include <string.h>
static const int HRTF_AZIMUTHS = 72; // 360 / 5-degree steps static const int HRTF_AZIMUTHS = 72; // 360 / 5-degree steps
static const int HRTF_TAPS = 64; // minimum-phase FIR coefficients static const int HRTF_TAPS = 64; // minimum-phase FIR coefficients
@ -56,6 +57,27 @@ public:
void setGainAdjustment(float gain) { _gainAdjust = HRTF_GAIN * gain; }; void setGainAdjustment(float gain) { _gainAdjust = HRTF_GAIN * gain; };
float getGainAdjustment() { return _gainAdjust; } float getGainAdjustment() { return _gainAdjust; }
// clear internal state, but retain settings
void reset() {
// FIR history
memset(_firState, 0, sizeof(_firState));
// integer delay history
memset(_delayState, 0, sizeof(_delayState));
// biquad history
memset(_bqState, 0, sizeof(_bqState));
// parameter history
_azimuthState = 0.0f;
_distanceState = 0.0f;
_gainState = 0.0f;
// _gainAdjust is retained
_silentState = false;
}
private: private:
AudioHRTF(const AudioHRTF&) = delete; AudioHRTF(const AudioHRTF&) = delete;
AudioHRTF& operator=(const AudioHRTF&) = delete; AudioHRTF& operator=(const AudioHRTF&) = delete;