diff options
Diffstat (limited to 'Alc/mixer_c.c')
| -rw-r--r-- | Alc/mixer_c.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/Alc/mixer_c.c b/Alc/mixer_c.c deleted file mode 100644 index ef37b730..00000000 --- a/Alc/mixer_c.c +++ /dev/null @@ -1,181 +0,0 @@ -#include "config.h" - -#include <assert.h> - -#include "alMain.h" -#include "alu.h" -#include "alSource.h" -#include "alAuxEffectSlot.h" - - -static inline ALfloat point32(const ALfloat *vals, ALuint UNUSED(frac)) -{ return vals[0]; } -static inline ALfloat lerp32(const ALfloat *vals, ALuint frac) -{ return lerp(vals[0], vals[1], frac * (1.0f/FRACTIONONE)); } -static inline ALfloat fir4_32(const ALfloat *vals, ALuint frac) -{ return resample_fir4(vals[-1], vals[0], vals[1], vals[2], frac); } -static inline ALfloat fir8_32(const ALfloat *vals, ALuint frac) -{ return resample_fir8(vals[-3], vals[-2], vals[-1], vals[0], vals[1], vals[2], vals[3], vals[4], frac); } - - -const ALfloat *Resample_copy32_C(const BsincState* UNUSED(state), const ALfloat *src, ALuint UNUSED(frac), - ALuint UNUSED(increment), ALfloat *restrict dst, ALuint numsamples) -{ -#if defined(HAVE_SSE) || defined(HAVE_NEON) - /* Avoid copying the source data if it's aligned like the destination. */ - if((((intptr_t)src)&15) == (((intptr_t)dst)&15)) - return src; -#endif - memcpy(dst, src, numsamples*sizeof(ALfloat)); - return dst; -} - -#define DECL_TEMPLATE(Sampler) \ -const ALfloat *Resample_##Sampler##_C(const BsincState* UNUSED(state), \ - const ALfloat *src, ALuint frac, ALuint increment, \ - ALfloat *restrict dst, ALuint numsamples) \ -{ \ - ALuint i; \ - for(i = 0;i < numsamples;i++) \ - { \ - dst[i] = Sampler(src, frac); \ - \ - frac += increment; \ - src += frac>>FRACTIONBITS; \ - frac &= FRACTIONMASK; \ - } \ - return dst; \ -} - -DECL_TEMPLATE(point32) -DECL_TEMPLATE(lerp32) -DECL_TEMPLATE(fir4_32) -DECL_TEMPLATE(fir8_32) - -#undef DECL_TEMPLATE - -const ALfloat *Resample_bsinc32_C(const BsincState *state, const ALfloat *src, ALuint frac, - ALuint increment, ALfloat *restrict dst, ALuint dstlen) -{ - const ALfloat *fil, *scd, *phd, *spd; - const ALfloat sf = state->sf; - const ALuint m = state->m; - const ALint l = state->l; - ALuint j_f, pi, i; - ALfloat pf, r; - ALint j_s; - - for(i = 0;i < dstlen;i++) - { - // Calculate the phase index and factor. -#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS) - pi = frac >> FRAC_PHASE_BITDIFF; - pf = (frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF)); -#undef FRAC_PHASE_BITDIFF - - fil = state->coeffs[pi].filter; - scd = state->coeffs[pi].scDelta; - phd = state->coeffs[pi].phDelta; - spd = state->coeffs[pi].spDelta; - - // Apply the scale and phase interpolated filter. - r = 0.0f; - for(j_f = 0,j_s = l;j_f < m;j_f++,j_s++) - r += (fil[j_f] + sf*scd[j_f] + pf*(phd[j_f] + sf*spd[j_f])) * - src[j_s]; - dst[i] = r; - - frac += increment; - src += frac>>FRACTIONBITS; - frac &= FRACTIONMASK; - } - return dst; -} - - -void ALfilterState_processC(ALfilterState *filter, ALfloat *restrict dst, const ALfloat *src, ALuint numsamples) -{ - ALuint i; - for(i = 0;i < numsamples;i++) - *(dst++) = ALfilterState_processSingle(filter, *(src++)); -} - - -static inline void SetupCoeffs(ALfloat (*restrict OutCoeffs)[2], - const HrtfParams *hrtfparams, - ALuint IrSize, ALuint Counter) -{ - ALuint c; - for(c = 0;c < IrSize;c++) - { - OutCoeffs[c][0] = hrtfparams->Coeffs[c][0] - (hrtfparams->CoeffStep[c][0]*Counter); - OutCoeffs[c][1] = hrtfparams->Coeffs[c][1] - (hrtfparams->CoeffStep[c][1]*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) -{ - ALuint c; - for(c = 0;c < IrSize;c++) - { - const ALuint off = (Offset+c)&HRIR_MASK; - Values[off][0] += Coeffs[c][0] * left; - Values[off][1] += Coeffs[c][1] * right; - Coeffs[c][0] += CoeffStep[c][0]; - Coeffs[c][1] += CoeffStep[c][1]; - } -} - -static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2], - const ALuint IrSize, - ALfloat (*restrict Coeffs)[2], - ALfloat left, ALfloat right) -{ - ALuint c; - for(c = 0;c < IrSize;c++) - { - const ALuint off = (Offset+c)&HRIR_MASK; - Values[off][0] += Coeffs[c][0] * left; - Values[off][1] += Coeffs[c][1] * right; - } -} - -#define MixHrtf MixHrtf_C -#include "mixer_inc.c" -#undef MixHrtf - - -void Mix_C(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], - MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize) -{ - ALfloat gain, step; - ALuint c; - - for(c = 0;c < OutChans;c++) - { - ALuint pos = 0; - gain = Gains[c].Current; - step = Gains[c].Step; - if(step != 0.0f && Counter > 0) - { - ALuint minsize = minu(BufferSize, Counter); - for(;pos < minsize;pos++) - { - OutBuffer[c][OutPos+pos] += data[pos]*gain; - gain += step; - } - if(pos == Counter) - gain = Gains[c].Target; - Gains[c].Current = gain; - } - - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - for(;pos < BufferSize;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*gain; - } -} |