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#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 frac)
{ return vals[0]; (void)frac; }
static __inline ALfloat lerp32(const ALfloat *vals, ALuint frac)
{ return lerp(vals[0], vals[1], frac * (1.0f/FRACTIONONE)); }
static __inline ALfloat cubic32(const ALfloat *vals, ALuint frac)
{ return cubic(vals[-1], vals[0], vals[1], vals[2], frac * (1.0f/FRACTIONONE)); }
void Resample_copy32_C(const ALfloat *data, ALuint frac,
ALuint increment, ALfloat *restrict OutBuffer, ALuint BufferSize)
{
(void)frac;
assert(increment==FRACTIONONE);
memcpy(OutBuffer, data, (BufferSize+1)*sizeof(ALfloat));
}
#define DECL_TEMPLATE(Sampler) \
void Resample_##Sampler##_C(const ALfloat *data, ALuint frac, \
ALuint increment, ALfloat *restrict OutBuffer, ALuint BufferSize) \
{ \
ALuint pos = 0; \
ALuint i; \
\
for(i = 0;i < BufferSize+1;i++) \
{ \
OutBuffer[i] = Sampler(data + pos, frac); \
\
frac += increment; \
pos += frac>>FRACTIONBITS; \
frac &= FRACTIONMASK; \
} \
}
DECL_TEMPLATE(point32)
DECL_TEMPLATE(lerp32)
DECL_TEMPLATE(cubic32)
#undef DECL_TEMPLATE
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 SUFFIX C
#include "mixer_inc.c"
#undef SUFFIX
void MixDirect_C(const DirectParams *params, const ALfloat *restrict data, ALuint srcchan,
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
ALfloat (*restrict DryBuffer)[BUFFERSIZE] = params->OutBuffer;
ALfloat *restrict ClickRemoval = params->ClickRemoval;
ALfloat *restrict PendingClicks = params->PendingClicks;
ALfloat DrySend;
ALuint pos;
ALuint c;
for(c = 0;c < MaxChannels;c++)
{
DrySend = params->Gains[srcchan][c];
if(DrySend < 0.00001f)
continue;
if(OutPos == 0)
ClickRemoval[c] -= data[0]*DrySend;
for(pos = 0;pos < BufferSize;pos++)
DryBuffer[c][OutPos+pos] += data[pos]*DrySend;
if(OutPos+pos == SamplesToDo)
PendingClicks[c] += data[pos]*DrySend;
}
}
void MixSend_C(const SendParams *params, const ALfloat *restrict data,
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
ALeffectslot *Slot = params->Slot;
ALfloat (*restrict WetBuffer)[BUFFERSIZE] = Slot->WetBuffer;
ALfloat *restrict WetClickRemoval = Slot->ClickRemoval;
ALfloat *restrict WetPendingClicks = Slot->PendingClicks;
ALfloat WetSend = params->Gain;
ALuint pos;
if(WetSend < 0.00001f)
return;
if(OutPos == 0)
WetClickRemoval[0] -= data[0] * WetSend;
for(pos = 0;pos < BufferSize;pos++)
WetBuffer[0][OutPos+pos] += data[pos] * WetSend;
if(OutPos+pos == SamplesToDo)
WetPendingClicks[0] += data[pos] * WetSend;
}
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