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Update OpenAL Soft to commit 414b56edec5441211dc924fef365c54267c04f1c
This commit is contained in:
Alex Szpakowski
@@ -0,0 +1,170 @@
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#include "config.h"
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#include <assert.h>
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#include "alMain.h"
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#include "alu.h"
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#include "alSource.h"
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#include "alAuxEffectSlot.h"
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#include "defs.h"
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static inline ALfloat do_point(const ALfloat *restrict vals, ALsizei UNUSED(frac))
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{ return vals[0]; }
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static inline ALfloat do_lerp(const ALfloat *restrict vals, ALsizei frac)
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{ return lerp(vals[0], vals[1], frac * (1.0f/FRACTIONONE)); }
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static inline ALfloat do_cubic(const ALfloat *restrict vals, ALsizei frac)
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{ return cubic(vals[0], vals[1], vals[2], vals[3], frac * (1.0f/FRACTIONONE)); }
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const ALfloat *Resample_copy_C(const InterpState* UNUSED(state),
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const ALfloat *restrict src, ALsizei UNUSED(frac), ALint UNUSED(increment),
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ALfloat *restrict dst, ALsizei numsamples)
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{
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#if defined(HAVE_SSE) || defined(HAVE_NEON)
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/* Avoid copying the source data if it's aligned like the destination. */
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if((((intptr_t)src)&15) == (((intptr_t)dst)&15))
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return src;
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#endif
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memcpy(dst, src, numsamples*sizeof(ALfloat));
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return dst;
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}
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#define DECL_TEMPLATE(Tag, Sampler, O) \
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const ALfloat *Resample_##Tag##_C(const InterpState* UNUSED(state), \
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const ALfloat *restrict src, ALsizei frac, ALint increment, \
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ALfloat *restrict dst, ALsizei numsamples) \
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{ \
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ALsizei i; \
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\
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src -= O; \
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for(i = 0;i < numsamples;i++) \
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{ \
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dst[i] = Sampler(src, frac); \
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\
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frac += increment; \
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src += frac>>FRACTIONBITS; \
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frac &= FRACTIONMASK; \
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} \
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return dst; \
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}
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DECL_TEMPLATE(point, do_point, 0)
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DECL_TEMPLATE(lerp, do_lerp, 0)
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DECL_TEMPLATE(cubic, do_cubic, 1)
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#undef DECL_TEMPLATE
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const ALfloat *Resample_bsinc_C(const InterpState *state, const ALfloat *restrict src,
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ALsizei frac, ALint increment, ALfloat *restrict dst,
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ALsizei dstlen)
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{
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const ALfloat *fil, *scd, *phd, *spd;
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const ALfloat *const filter = state->bsinc.filter;
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const ALfloat sf = state->bsinc.sf;
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const ALsizei m = state->bsinc.m;
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ALsizei j_f, pi, i;
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ALfloat pf, r;
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src += state->bsinc.l;
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for(i = 0;i < dstlen;i++)
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{
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// Calculate the phase index and factor.
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#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS)
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pi = frac >> FRAC_PHASE_BITDIFF;
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pf = (frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF));
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#undef FRAC_PHASE_BITDIFF
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fil = ASSUME_ALIGNED(filter + m*pi*4, 16);
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scd = ASSUME_ALIGNED(fil + m, 16);
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phd = ASSUME_ALIGNED(scd + m, 16);
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spd = ASSUME_ALIGNED(phd + m, 16);
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// Apply the scale and phase interpolated filter.
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r = 0.0f;
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for(j_f = 0;j_f < m;j_f++)
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r += (fil[j_f] + sf*scd[j_f] + pf*(phd[j_f] + sf*spd[j_f])) * src[j_f];
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dst[i] = r;
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frac += increment;
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src += frac>>FRACTIONBITS;
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frac &= FRACTIONMASK;
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}
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return dst;
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}
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static inline void ApplyCoeffs(ALsizei Offset, ALfloat (*restrict Values)[2],
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const ALsizei IrSize,
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const ALfloat (*restrict Coeffs)[2],
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ALfloat left, ALfloat right)
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{
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ALsizei c;
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for(c = 0;c < IrSize;c++)
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{
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const ALsizei off = (Offset+c)&HRIR_MASK;
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Values[off][0] += Coeffs[c][0] * left;
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Values[off][1] += Coeffs[c][1] * right;
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}
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}
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#define MixHrtf MixHrtf_C
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#define MixHrtfBlend MixHrtfBlend_C
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#define MixDirectHrtf MixDirectHrtf_C
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#include "hrtf_inc.c"
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#undef MixHrtf
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void Mix_C(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE],
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ALfloat *CurrentGains, const ALfloat *TargetGains, ALsizei Counter, ALsizei OutPos,
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ALsizei BufferSize)
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{
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ALfloat gain, delta, step;
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ALsizei c;
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delta = (Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f;
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for(c = 0;c < OutChans;c++)
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{
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ALsizei pos = 0;
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gain = CurrentGains[c];
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step = (TargetGains[c] - gain) * delta;
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if(fabsf(step) > FLT_EPSILON)
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{
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ALsizei minsize = mini(BufferSize, Counter);
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for(;pos < minsize;pos++)
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{
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OutBuffer[c][OutPos+pos] += data[pos]*gain;
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gain += step;
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}
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if(pos == Counter)
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gain = TargetGains[c];
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CurrentGains[c] = gain;
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}
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if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD))
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continue;
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for(;pos < BufferSize;pos++)
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OutBuffer[c][OutPos+pos] += data[pos]*gain;
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}
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}
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/* Basically the inverse of the above. Rather than one input going to multiple
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* outputs (each with its own gain), it's multiple inputs (each with its own
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* gain) going to one output. This applies one row (vs one column) of a matrix
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* transform. And as the matrices are more or less static once set up, no
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* stepping is necessary.
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*/
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void MixRow_C(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restrict data)[BUFFERSIZE], ALsizei InChans, ALsizei InPos, ALsizei BufferSize)
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{
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ALsizei c, i;
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for(c = 0;c < InChans;c++)
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{
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ALfloat gain = Gains[c];
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if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD))
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continue;
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for(i = 0;i < BufferSize;i++)
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OutBuffer[i] += data[c][InPos+i] * gain;
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}
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}
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