1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#ifndef MIXER_DEFS_H
#define MIXER_DEFS_H
#include "AL/al.h"
#include "alcmain.h"
#include "alspan.h"
#include "alu.h"
#include "hrtf.h"
enum InstSetType {
CTag,
SSETag,
SSE2Tag,
SSE3Tag,
SSE4Tag,
NEONTag
};
enum ResampleType {
CopyTag,
PointTag,
LerpTag,
CubicTag,
BSincTag
};
template<ResampleType TypeTag, InstSetType InstTag>
const ALfloat *Resample_(const InterpState *state, const ALfloat *RESTRICT src, ALsizei frac, ALint increment, const al::span<float> dst);
template<InstSetType InstTag>
void Mix_(const al::span<const float> InSamples, const al::span<FloatBufferLine> OutBuffer,
float *CurrentGains, const float *TargetGains, const ALsizei Counter, const ALsizei OutPos);
template<InstSetType InstTag>
void MixRow_(const al::span<float> OutBuffer, const al::span<const float> Gains,
const float *InSamples, const size_t InStride);
template<InstSetType InstTag>
void MixHrtf_(FloatBufferLine &LeftOut, FloatBufferLine &RightOut, const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize, MixHrtfFilter *hrtfparams, const size_t BufferSize);
template<InstSetType InstTag>
void MixHrtfBlend_(FloatBufferLine &LeftOut, FloatBufferLine &RightOut, const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize, const HrtfFilter *oldparams, MixHrtfFilter *newparams, const size_t BufferSize);
template<InstSetType InstTag>
void MixDirectHrtf_(FloatBufferLine &LeftOut, FloatBufferLine &RightOut, const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples, DirectHrtfState *State, const size_t BufferSize);
/* Vectorized resampler helpers */
inline void InitiatePositionArrays(ALsizei frac, ALint increment, ALsizei *RESTRICT frac_arr, ALsizei *RESTRICT pos_arr, ALsizei size)
{
pos_arr[0] = 0;
frac_arr[0] = frac;
for(ALsizei i{1};i < size;i++)
{
ALint frac_tmp = frac_arr[i-1] + increment;
pos_arr[i] = pos_arr[i-1] + (frac_tmp>>FRACTIONBITS);
frac_arr[i] = frac_tmp&FRACTIONMASK;
}
}
#endif /* MIXER_DEFS_H */
|
