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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
#ifndef _AL_SOURCE_H_
#define _AL_SOURCE_H_
#define MAX_SENDS 4
#include "alMain.h"
#include "alu.h"
#include "hrtf.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ALbuffer;
struct ALsource;
struct ALsourceProps;
typedef struct ALbufferlistitem {
struct ALbuffer *buffer;
struct ALbufferlistitem *volatile next;
} ALbufferlistitem;
typedef struct ALvoice {
struct ALsource *volatile Source;
/** Current target parameters used for mixing. */
ALint Step;
ALboolean Looping;
/* If not 'moving', gain/coefficients are set directly without fading. */
ALboolean Moving;
ALboolean IsHrtf;
ALuint Offset; /* Number of output samples mixed since starting. */
alignas(16) ALfloat PrevSamples[MAX_INPUT_CHANNELS][MAX_PRE_SAMPLES];
BsincState SincState;
DirectParams Direct;
SendParams Send[MAX_SENDS];
} ALvoice;
struct ALsourceProps {
ATOMIC(ALfloat) Pitch;
ATOMIC(ALfloat) Gain;
ATOMIC(ALfloat) OuterGain;
ATOMIC(ALfloat) MinGain;
ATOMIC(ALfloat) MaxGain;
ATOMIC(ALfloat) InnerAngle;
ATOMIC(ALfloat) OuterAngle;
ATOMIC(ALfloat) RefDistance;
ATOMIC(ALfloat) MaxDistance;
ATOMIC(ALfloat) RollOffFactor;
ATOMIC(ALfloat) Position[3];
ATOMIC(ALfloat) Velocity[3];
ATOMIC(ALfloat) Direction[3];
ATOMIC(ALfloat) Orientation[2][3];
ATOMIC(ALboolean) HeadRelative;
ATOMIC(ALboolean) Looping;
ATOMIC(enum DistanceModel) DistanceModel;
ATOMIC(ALboolean) DirectChannels;
ATOMIC(ALboolean) DryGainHFAuto;
ATOMIC(ALboolean) WetGainAuto;
ATOMIC(ALboolean) WetGainHFAuto;
ATOMIC(ALfloat) OuterGainHF;
ATOMIC(ALfloat) AirAbsorptionFactor;
ATOMIC(ALfloat) RoomRolloffFactor;
ATOMIC(ALfloat) DopplerFactor;
ATOMIC(ALfloat) StereoPan[2];
ATOMIC(ALfloat) Radius;
/** Direct filter and auxiliary send info. */
struct {
ATOMIC(ALfloat) Gain;
ATOMIC(ALfloat) GainHF;
ATOMIC(ALfloat) HFReference;
ATOMIC(ALfloat) GainLF;
ATOMIC(ALfloat) LFReference;
} Direct;
struct {
ATOMIC(struct ALeffectslot*) Slot;
ATOMIC(ALfloat) Gain;
ATOMIC(ALfloat) GainHF;
ATOMIC(ALfloat) HFReference;
ATOMIC(ALfloat) GainLF;
ATOMIC(ALfloat) LFReference;
} Send[MAX_SENDS];
ATOMIC(struct ALsourceProps*) next;
};
typedef struct ALsource {
/** Source properties. */
ALfloat Pitch;
ALfloat Gain;
ALfloat OuterGain;
ALfloat MinGain;
ALfloat MaxGain;
ALfloat InnerAngle;
ALfloat OuterAngle;
ALfloat RefDistance;
ALfloat MaxDistance;
ALfloat RollOffFactor;
ALfloat Position[3];
ALfloat Velocity[3];
ALfloat Direction[3];
ALfloat Orientation[2][3];
ALboolean HeadRelative;
ALboolean Looping;
enum DistanceModel DistanceModel;
ALboolean DirectChannels;
ALboolean DryGainHFAuto;
ALboolean WetGainAuto;
ALboolean WetGainHFAuto;
ALfloat OuterGainHF;
ALfloat AirAbsorptionFactor;
ALfloat RoomRolloffFactor;
ALfloat DopplerFactor;
/* NOTE: Stereo pan angles are specified in radians, counter-clockwise
* rather than clockwise.
*/
ALfloat StereoPan[2];
ALfloat Radius;
/** Direct filter and auxiliary send info. */
struct {
ALfloat Gain;
ALfloat GainHF;
ALfloat HFReference;
ALfloat GainLF;
ALfloat LFReference;
} Direct;
struct {
struct ALeffectslot *Slot;
ALfloat Gain;
ALfloat GainHF;
ALfloat HFReference;
ALfloat GainLF;
ALfloat LFReference;
} Send[MAX_SENDS];
/**
* Last user-specified offset, and the offset type (bytes, samples, or
* seconds).
*/
ALdouble Offset;
ALenum OffsetType;
/** Source type (static, streaming, or undetermined) */
ALint SourceType;
/** Source state (initial, playing, paused, or stopped) */
ALenum state;
ALenum new_state;
/**
* Source offset in samples, relative to the currently playing buffer, NOT
* the whole queue, and the fractional (fixed-point) offset to the next
* sample.
*/
ATOMIC(ALuint) position;
ATOMIC(ALuint) position_fraction;
/** Source Buffer Queue info. */
ATOMIC(ALbufferlistitem*) queue;
ATOMIC(ALbufferlistitem*) current_buffer;
RWLock queue_lock;
/** Current buffer sample info. */
ALuint NumChannels;
ALuint SampleSize;
ATOMIC(struct ALsourceProps*) Update;
ATOMIC(struct ALsourceProps*) FreeList;
/** Self ID */
ALuint id;
} ALsource;
inline void LockSourcesRead(ALCcontext *context)
{ LockUIntMapRead(&context->SourceMap); }
inline void UnlockSourcesRead(ALCcontext *context)
{ UnlockUIntMapRead(&context->SourceMap); }
inline void LockSourcesWrite(ALCcontext *context)
{ LockUIntMapWrite(&context->SourceMap); }
inline void UnlockSourcesWrite(ALCcontext *context)
{ UnlockUIntMapWrite(&context->SourceMap); }
inline struct ALsource *LookupSource(ALCcontext *context, ALuint id)
{ return (struct ALsource*)LookupUIntMapKeyNoLock(&context->SourceMap, id); }
inline struct ALsource *RemoveSource(ALCcontext *context, ALuint id)
{ return (struct ALsource*)RemoveUIntMapKeyNoLock(&context->SourceMap, id); }
void UpdateAllSourceProps(ALCcontext *context);
ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state);
ALboolean ApplyOffset(ALsource *Source);
ALvoid ReleaseALSources(ALCcontext *Context);
#ifdef __cplusplus
}
#endif
#endif
|
