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
125
126
127
128
129
130
|
#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 UNUSED(frac))
{ return vals[0]; }
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 UNUSED(frac),
ALuint increment, ALfloat *restrict OutBuffer, ALuint BufferSize)
{
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 OutBuffer)[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 > GAIN_SILENCE_THRESHOLD))
continue;
if(OutPos == 0)
ClickRemoval[c] -= data[0]*DrySend;
for(pos = 0;pos < BufferSize;pos++)
OutBuffer[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)
{
ALfloat (*restrict OutBuffer)[BUFFERSIZE] = params->OutBuffer;
ALfloat *restrict ClickRemoval = params->ClickRemoval;
ALfloat *restrict PendingClicks = params->PendingClicks;
ALfloat WetSend;
ALuint pos;
WetSend = params->Gain;
if(!(WetSend > GAIN_SILENCE_THRESHOLD))
return;
if(OutPos == 0)
ClickRemoval[0] -= data[0] * WetSend;
for(pos = 0;pos < BufferSize;pos++)
OutBuffer[0][OutPos+pos] += data[pos] * WetSend;
if(OutPos+pos == SamplesToDo)
PendingClicks[0] += data[pos] * WetSend;
}
|
