diff options
Diffstat (limited to 'Alc/mixer_neon.c')
-rw-r--r-- | Alc/mixer_neon.c | 130 |
1 files changed, 79 insertions, 51 deletions
diff --git a/Alc/mixer_neon.c b/Alc/mixer_neon.c index 0aa450ad..6a0421a5 100644 --- a/Alc/mixer_neon.c +++ b/Alc/mixer_neon.c @@ -1,28 +1,43 @@ #include "config.h" -#ifdef HAVE_ARM_NEON_H #include <arm_neon.h> -#endif #include "AL/al.h" #include "AL/alc.h" #include "alMain.h" #include "alu.h" +#include "hrtf.h" -static inline void ApplyCoeffsStep(const ALuint IrSize, +static inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*restrict Values)[2], + const ALuint IrSize, ALfloat (*restrict Coeffs)[2], - const ALfloat (*restrict CoeffStep)[2]) + const ALfloat (*restrict CoeffStep)[2], + ALfloat left, ALfloat right) { - float32x4_t coeffs, deltas; ALuint c; - + float32x4_t leftright4; + { + float32x2_t leftright2 = vdup_n_f32(0.0); + leftright2 = vset_lane_f32(left, leftright2, 0); + leftright2 = vset_lane_f32(right, leftright2, 1); + leftright4 = vcombine_f32(leftright2, leftright2); + } for(c = 0;c < IrSize;c += 2) { - coeffs = vld1q_f32(&Coeffs[c][0]); - deltas = vld1q_f32(&CoeffStep[c][0]); - coeffs = vaddq_f32(coeffs, deltas); - vst1q_f32(&Coeffs[c][0], coeffs); + const ALuint o0 = (Offset+c)&HRIR_MASK; + const ALuint o1 = (o0+1)&HRIR_MASK; + float32x4_t vals = vcombine_f32(vld1_f32((float32_t*)&Values[o0][0]), + vld1_f32((float32_t*)&Values[o1][0])); + float32x4_t coefs = vld1q_f32((float32_t*)&Coeffs[c][0]); + float32x4_t deltas = vld1q_f32(&CoeffStep[c][0]); + + vals = vmlaq_f32(vals, coefs, leftright4); + coefs = vaddq_f32(coefs, deltas); + + vst1_f32((float32_t*)&Values[o0][0], vget_low_f32(vals)); + vst1_f32((float32_t*)&Values[o1][0], vget_high_f32(vals)); + vst1q_f32(&Coeffs[c][0], coefs); } } @@ -60,28 +75,37 @@ static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2], #undef SUFFIX -void MixDirect_Neon(const DirectParams *params, const ALfloat *restrict data, ALuint srcchan, - ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) +void MixDirect_Neon(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data, + MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize) { - ALfloat (*restrict OutBuffer)[BUFFERSIZE] = params->OutBuffer; - ALfloat *restrict ClickRemoval = params->ClickRemoval; - ALfloat *restrict PendingClicks = params->PendingClicks; - ALfloat DrySend; + ALfloat DrySend, Step; float32x4_t gain; - ALuint pos; ALuint c; for(c = 0;c < MaxChannels;c++) { - DrySend = params->Gains[srcchan][c]; + ALuint pos = 0; + DrySend = Gains->Current[c]; + Step = Gains->Step[c]; + if(Step != 1.0f && Counter > 0) + { + for(;pos < BufferSize && pos < Counter;pos++) + { + OutBuffer[c][OutPos+pos] += data[pos]*DrySend; + DrySend *= Step; + } + if(pos == Counter) + DrySend = Gains->Target[c]; + Gains->Current[c] = DrySend; + /* Mix until pos is aligned with 4 or the mix is done. */ + for(;pos < BufferSize && (pos&3) != 0;pos++) + OutBuffer[c][OutPos+pos] += data[pos]*DrySend; + } + if(!(DrySend > GAIN_SILENCE_THRESHOLD)) continue; - - if(OutPos == 0) - ClickRemoval[c] -= data[0]*DrySend; - gain = vdupq_n_f32(DrySend); - for(pos = 0;BufferSize-pos > 3;pos += 4) + for(;BufferSize-pos > 3;pos += 4) { const float32x4_t val4 = vld1q_f32(&data[pos]); float32x4_t dry4 = vld1q_f32(&OutBuffer[c][OutPos+pos]); @@ -90,41 +114,45 @@ void MixDirect_Neon(const DirectParams *params, const ALfloat *restrict data, AL } for(;pos < BufferSize;pos++) OutBuffer[c][OutPos+pos] += data[pos]*DrySend; - - if(OutPos+pos == SamplesToDo) - PendingClicks[c] += data[pos]*DrySend; } } -void MixSend_Neon(const SendParams *params, const ALfloat *restrict data, - ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize) +void MixSend_Neon(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data, + MixGainMono *Gain, ALuint Counter, ALuint OutPos, ALuint BufferSize) { - ALfloat (*restrict OutBuffer)[BUFFERSIZE] = params->OutBuffer; - ALfloat *restrict ClickRemoval = params->ClickRemoval; - ALfloat *restrict PendingClicks = params->PendingClicks; - ALfloat WetGain; + ALfloat WetGain, Step; float32x4_t gain; - ALuint pos; - - WetGain = params->Gain; - if(!(WetGain > GAIN_SILENCE_THRESHOLD)) - return; - - if(OutPos == 0) - ClickRemoval[0] -= data[0] * WetGain; - gain = vdupq_n_f32(WetGain); - for(pos = 0;BufferSize-pos > 3;pos += 4) { - const float32x4_t val4 = vld1q_f32(&data[pos]); - float32x4_t wet4 = vld1q_f32(&OutBuffer[0][OutPos+pos]); - wet4 = vaddq_f32(wet4, vmulq_f32(val4, gain)); - vst1q_f32(&OutBuffer[0][OutPos+pos], wet4); - } - for(;pos < BufferSize;pos++) - OutBuffer[0][OutPos+pos] += data[pos] * WetGain; + ALuint pos = 0; + WetGain = Gain->Current; + Step = Gain->Step; + if(Step != 1.0f && Counter > 0) + { + for(;pos < BufferSize && pos < Counter;pos++) + { + OutBuffer[0][OutPos+pos] += data[pos]*WetGain; + WetGain *= Step; + } + if(pos == Counter) + WetGain = Gain->Target; + Gain->Current = WetGain; + for(;pos < BufferSize && (pos&3) != 0;pos++) + OutBuffer[0][OutPos+pos] += data[pos]*WetGain; + } - if(OutPos+pos == SamplesToDo) - PendingClicks[0] += data[pos] * WetGain; + if(!(WetGain > GAIN_SILENCE_THRESHOLD)) + return; + gain = vdupq_n_f32(WetGain); + for(;BufferSize-pos > 3;pos += 4) + { + const float32x4_t val4 = vld1q_f32(&data[pos]); + float32x4_t wet4 = vld1q_f32(&OutBuffer[0][OutPos+pos]); + wet4 = vaddq_f32(wet4, vmulq_f32(val4, gain)); + vst1q_f32(&OutBuffer[0][OutPos+pos], wet4); + } + for(;pos < BufferSize;pos++) + OutBuffer[0][OutPos+pos] += data[pos] * WetGain; + } } |