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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#include "config.h"
#include "alMain.h"
#include "alu.h"
#include "alSource.h"
#include "alAuxEffectSlot.h"
static __inline ALfloat point32(const ALfloat *vals, ALint step, ALint frac)
{ return vals[0]; (void)step; (void)frac; }
static __inline ALfloat lerp32(const ALfloat *vals, ALint step, ALint frac)
{ return lerp(vals[0], vals[step], frac * (1.0f/FRACTIONONE)); }
static __inline ALfloat cubic32(const ALfloat *vals, ALint step, ALint frac)
{ return cubic(vals[-step], vals[0], vals[step], vals[step+step],
frac * (1.0f/FRACTIONONE)); }
#define DECL_TEMPLATE(Sampler) \
void Resample_##Sampler##_C(const ALfloat *data, ALuint frac, \
ALuint increment, ALuint NumChannels, ALfloat *RESTRICT OutBuffer, \
ALuint BufferSize) \
{ \
ALuint pos = 0; \
ALfloat value; \
ALuint i; \
\
for(i = 0;i < BufferSize+1;i++) \
{ \
value = Sampler(data + pos*NumChannels, NumChannels, frac); \
OutBuffer[i] = value; \
\
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],
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(ALsource *Source, ALCdevice *Device, DirectParams *params,
const ALfloat *RESTRICT data, ALuint srcchan,
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
ALfloat (*RESTRICT DryBuffer)[BUFFERSIZE] = Device->DryBuffer;
ALfloat *RESTRICT ClickRemoval = Device->ClickRemoval;
ALfloat *RESTRICT PendingClicks = Device->PendingClicks;
ALfloat DrySend;
ALuint pos;
ALuint c;
(void)Source;
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(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(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;
}
|
