diff options
Diffstat (limited to 'Alc/mixer_inc.c')
-rw-r--r-- | Alc/mixer_inc.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/Alc/mixer_inc.c b/Alc/mixer_inc.c deleted file mode 100644 index a82930cc..00000000 --- a/Alc/mixer_inc.c +++ /dev/null @@ -1,79 +0,0 @@ -#include "config.h" - -#include "alMain.h" -#include "alSource.h" - -#include "hrtf.h" -#include "mixer_defs.h" -#include "align.h" - - -static inline void SetupCoeffs(ALfloat (*restrict OutCoeffs)[2], - const HrtfParams *hrtfparams, - ALuint IrSize, ALuint Counter); -static inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*restrict Values)[2], - const ALuint irSize, - ALfloat (*restrict Coeffs)[2], - const ALfloat (*restrict CoeffStep)[2], - ALfloat left, ALfloat right); -static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2], - const ALuint irSize, - ALfloat (*restrict Coeffs)[2], - ALfloat left, ALfloat right); - - -void MixHrtf(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data, - ALuint Counter, ALuint Offset, ALuint OutPos, const ALuint IrSize, - const HrtfParams *hrtfparams, HrtfState *hrtfstate, ALuint BufferSize) -{ - alignas(16) ALfloat Coeffs[HRIR_LENGTH][2]; - ALuint Delay[2]; - ALfloat left, right; - ALuint pos; - - SetupCoeffs(Coeffs, hrtfparams, IrSize, Counter); - Delay[0] = hrtfparams->Delay[0] - (hrtfparams->DelayStep[0]*Counter); - Delay[1] = hrtfparams->Delay[1] - (hrtfparams->DelayStep[1]*Counter); - - pos = 0; - for(;pos < BufferSize && pos < Counter;pos++) - { - hrtfstate->History[Offset&HRTF_HISTORY_MASK] = data[pos]; - left = lerp(hrtfstate->History[(Offset-(Delay[0]>>HRTFDELAY_BITS))&HRTF_HISTORY_MASK], - hrtfstate->History[(Offset-(Delay[0]>>HRTFDELAY_BITS)-1)&HRTF_HISTORY_MASK], - (Delay[0]&HRTFDELAY_MASK)*(1.0f/HRTFDELAY_FRACONE)); - right = lerp(hrtfstate->History[(Offset-(Delay[1]>>HRTFDELAY_BITS))&HRTF_HISTORY_MASK], - hrtfstate->History[(Offset-(Delay[1]>>HRTFDELAY_BITS)-1)&HRTF_HISTORY_MASK], - (Delay[1]&HRTFDELAY_MASK)*(1.0f/HRTFDELAY_FRACONE)); - - Delay[0] += hrtfparams->DelayStep[0]; - Delay[1] += hrtfparams->DelayStep[1]; - - hrtfstate->Values[(Offset+IrSize)&HRIR_MASK][0] = 0.0f; - hrtfstate->Values[(Offset+IrSize)&HRIR_MASK][1] = 0.0f; - Offset++; - - ApplyCoeffsStep(Offset, hrtfstate->Values, IrSize, Coeffs, hrtfparams->CoeffStep, left, right); - OutBuffer[0][OutPos] += hrtfstate->Values[Offset&HRIR_MASK][0]; - OutBuffer[1][OutPos] += hrtfstate->Values[Offset&HRIR_MASK][1]; - OutPos++; - } - - Delay[0] >>= HRTFDELAY_BITS; - Delay[1] >>= HRTFDELAY_BITS; - for(;pos < BufferSize;pos++) - { - hrtfstate->History[Offset&HRTF_HISTORY_MASK] = data[pos]; - left = hrtfstate->History[(Offset-Delay[0])&HRTF_HISTORY_MASK]; - right = hrtfstate->History[(Offset-Delay[1])&HRTF_HISTORY_MASK]; - - hrtfstate->Values[(Offset+IrSize)&HRIR_MASK][0] = 0.0f; - hrtfstate->Values[(Offset+IrSize)&HRIR_MASK][1] = 0.0f; - Offset++; - - ApplyCoeffs(Offset, hrtfstate->Values, IrSize, Coeffs, left, right); - OutBuffer[0][OutPos] += hrtfstate->Values[Offset&HRIR_MASK][0]; - OutBuffer[1][OutPos] += hrtfstate->Values[Offset&HRIR_MASK][1]; - OutPos++; - } -} |