132 lines
4.6 KiB
C
132 lines
4.6 KiB
C
#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;
|
|
}
|