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-rw-r--r--Alc/mixer/mixer_c.cpp208
1 files changed, 0 insertions, 208 deletions
diff --git a/Alc/mixer/mixer_c.cpp b/Alc/mixer/mixer_c.cpp
deleted file mode 100644
index 47c4a6f4..00000000
--- a/Alc/mixer/mixer_c.cpp
+++ /dev/null
@@ -1,208 +0,0 @@
-#include "config.h"
-
-#include <cassert>
-
-#include <limits>
-
-#include "alcmain.h"
-#include "alu.h"
-#include "alSource.h"
-#include "alAuxEffectSlot.h"
-#include "defs.h"
-#include "hrtfbase.h"
-
-
-namespace {
-
-inline ALfloat do_point(const InterpState&, const ALfloat *RESTRICT vals, const ALsizei)
-{ return vals[0]; }
-inline ALfloat do_lerp(const InterpState&, const ALfloat *RESTRICT vals, const ALsizei frac)
-{ return lerp(vals[0], vals[1], frac * (1.0f/FRACTIONONE)); }
-inline ALfloat do_cubic(const InterpState&, const ALfloat *RESTRICT vals, const ALsizei frac)
-{ return cubic(vals[0], vals[1], vals[2], vals[3], frac * (1.0f/FRACTIONONE)); }
-inline ALfloat do_bsinc(const InterpState &istate, const ALfloat *RESTRICT vals, const ALsizei frac)
-{
- ASSUME(istate.bsinc.m > 0);
-
- // Calculate the phase index and factor.
-#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS)
- const ALsizei pi{frac >> FRAC_PHASE_BITDIFF};
- const ALfloat pf{(frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF))};
-#undef FRAC_PHASE_BITDIFF
-
- const ALfloat *fil{istate.bsinc.filter + istate.bsinc.m*pi*4};
- const ALfloat *scd{fil + istate.bsinc.m};
- const ALfloat *phd{scd + istate.bsinc.m};
- const ALfloat *spd{phd + istate.bsinc.m};
-
- // Apply the scale and phase interpolated filter.
- ALfloat r{0.0f};
- for(ALsizei j_f{0};j_f < istate.bsinc.m;j_f++)
- r += (fil[j_f] + istate.bsinc.sf*scd[j_f] + pf*(phd[j_f] + istate.bsinc.sf*spd[j_f])) * vals[j_f];
- return r;
-}
-
-using SamplerT = ALfloat(const InterpState&, const ALfloat*RESTRICT, const ALsizei);
-template<SamplerT &Sampler>
-const ALfloat *DoResample(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei numsamples)
-{
- ASSUME(numsamples > 0);
- ASSUME(increment > 0);
- ASSUME(frac >= 0);
-
- const InterpState istate{*state};
- auto proc_sample = [&src,&frac,istate,increment]() -> ALfloat
- {
- const ALfloat ret{Sampler(istate, src, frac)};
-
- frac += increment;
- src += frac>>FRACTIONBITS;
- frac &= FRACTIONMASK;
-
- return ret;
- };
- std::generate_n(dst, numsamples, proc_sample);
-
- return dst;
-}
-
-} // namespace
-
-template<>
-const ALfloat *Resample_<CopyTag,CTag>(const InterpState*, const ALfloat *RESTRICT src, ALsizei,
- ALint, ALfloat *RESTRICT dst, ALsizei dstlen)
-{
- ASSUME(dstlen > 0);
-#if defined(HAVE_SSE) || defined(HAVE_NEON)
- /* Avoid copying the source data if it's aligned like the destination. */
- if((reinterpret_cast<intptr_t>(src)&15) == (reinterpret_cast<intptr_t>(dst)&15))
- return src;
-#endif
- std::copy_n(src, dstlen, dst);
- return dst;
-}
-
-template<>
-const ALfloat *Resample_<PointTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_point>(state, src, frac, increment, dst, dstlen); }
-
-template<>
-const ALfloat *Resample_<LerpTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_lerp>(state, src, frac, increment, dst, dstlen); }
-
-template<>
-const ALfloat *Resample_<CubicTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_cubic>(state, src-1, frac, increment, dst, dstlen); }
-
-template<>
-const ALfloat *Resample_<BSincTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_bsinc>(state, src-state->bsinc.l, frac, increment, dst, dstlen); }
-
-
-static inline void ApplyCoeffs(ALsizei /*Offset*/, float2 *RESTRICT Values, const ALsizei IrSize,
- const HrirArray<ALfloat> &Coeffs, const ALfloat left, const ALfloat right)
-{
- ASSUME(IrSize >= 2);
- for(ALsizei c{0};c < IrSize;++c)
- {
- Values[c][0] += Coeffs[c][0] * left;
- Values[c][1] += Coeffs[c][1] * right;
- }
-}
-
-template<>
-void MixHrtf_<CTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- MixHrtfFilter *hrtfparams, const ALsizei BufferSize)
-{
- MixHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- hrtfparams, BufferSize);
-}
-
-template<>
-void MixHrtfBlend_<CTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- const HrtfFilter *oldparams, MixHrtfFilter *newparams, const ALsizei BufferSize)
-{
- MixHrtfBlendBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- oldparams, newparams, BufferSize);
-}
-
-template<>
-void MixDirectHrtf_<CTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples, DirectHrtfState *State,
- const ALsizei BufferSize)
-{
- MixDirectHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, State, BufferSize);
-}
-
-
-template<>
-void Mix_<CTag>(const ALfloat *data, const al::span<FloatBufferLine> OutBuffer,
- ALfloat *CurrentGains, const ALfloat *TargetGains, const ALsizei Counter, const ALsizei OutPos,
- const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- const ALfloat delta{(Counter > 0) ? 1.0f / static_cast<ALfloat>(Counter) : 0.0f};
- for(FloatBufferLine &output : OutBuffer)
- {
- ALfloat *RESTRICT dst{output.data()+OutPos};
- ALfloat gain{*CurrentGains};
- const ALfloat diff{*TargetGains - gain};
-
- ALsizei pos{0};
- if(std::fabs(diff) > std::numeric_limits<float>::epsilon())
- {
- ALsizei minsize{mini(BufferSize, Counter)};
- const ALfloat step{diff * delta};
- ALfloat step_count{0.0f};
- for(;pos < minsize;pos++)
- {
- dst[pos] += data[pos] * (gain + step*step_count);
- step_count += 1.0f;
- }
- if(pos == Counter)
- gain = *TargetGains;
- else
- gain += step*step_count;
- *CurrentGains = gain;
- }
- ++CurrentGains;
- ++TargetGains;
-
- if(!(std::fabs(gain) > GAIN_SILENCE_THRESHOLD))
- continue;
- for(;pos < BufferSize;pos++)
- dst[pos] += data[pos]*gain;
- }
-}
-
-/* Basically the inverse of the above. Rather than one input going to multiple
- * outputs (each with its own gain), it's multiple inputs (each with its own
- * gain) going to one output. This applies one row (vs one column) of a matrix
- * transform. And as the matrices are more or less static once set up, no
- * stepping is necessary.
- */
-template<>
-void MixRow_<CTag>(FloatBufferLine &OutBuffer, const ALfloat *Gains,
- const al::span<const FloatBufferLine> InSamples, const ALsizei InPos, const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- for(const FloatBufferLine &input : InSamples)
- {
- const ALfloat *RESTRICT src{input.data()+InPos};
- const ALfloat gain{*(Gains++)};
- if(!(std::fabs(gain) > GAIN_SILENCE_THRESHOLD))
- continue;
-
- for(ALsizei i{0};i < BufferSize;i++)
- OutBuffer[i] += src[i] * gain;
- }
-}