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
|
#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
extern enum Resampler DefaultResampler;
extern const ALsizei ResamplerPadding[ResamplerMax];
extern const ALsizei ResamplerPrePadding[ResamplerMax];
typedef struct ALbufferlistitem {
struct ALbuffer *buffer;
struct ALbufferlistitem *next;
struct ALbufferlistitem *prev;
} ALbufferlistitem;
typedef struct ALactivesource {
struct ALsource *Source;
/** Method to update mixing parameters. */
ALvoid (*Update)(struct ALactivesource *self, const ALCcontext *context);
/** Current target parameters used for mixing. */
ResamplerFunc Resample;
DryMixerFunc DryMix;
WetMixerFunc WetMix;
ALint Step;
DirectParams Direct;
SendParams Send[MAX_SENDS];
} ALactivesource;
typedef struct ALsource {
/** Source properties. */
volatile ALfloat Pitch;
volatile ALfloat Gain;
volatile ALfloat OuterGain;
volatile ALfloat MinGain;
volatile ALfloat MaxGain;
volatile ALfloat InnerAngle;
volatile ALfloat OuterAngle;
volatile ALfloat RefDistance;
volatile ALfloat MaxDistance;
volatile ALfloat RollOffFactor;
volatile ALfloat Position[3];
volatile ALfloat Velocity[3];
volatile ALfloat Orientation[3];
volatile ALboolean HeadRelative;
volatile ALboolean Looping;
volatile enum DistanceModel DistanceModel;
volatile ALboolean DirectChannels;
volatile ALboolean DryGainHFAuto;
volatile ALboolean WetGainAuto;
volatile ALboolean WetGainHFAuto;
volatile ALfloat OuterGainHF;
volatile ALfloat AirAbsorptionFactor;
volatile ALfloat RoomRolloffFactor;
volatile ALfloat DopplerFactor;
enum Resampler Resampler;
/**
* Last user-specified offset, and the offset type (bytes, samples, or
* seconds).
*/
ALdouble Offset;
ALenum OffsetType;
/** Source type (static, streaming, or undetermined) */
volatile ALint SourceType;
/** Source state (initial, playing, paused, or stopped) */
volatile 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.
*/
ALuint position;
ALuint position_fraction;
/** Source Buffer Queue info. */
ALbufferlistitem *queue;
ALuint BuffersInQueue;
ALuint BuffersPlayed;
/** Current buffer sample info. */
ALuint NumChannels;
ALuint SampleSize;
/** Direct filter and auxiliary send info. */
ALfloat DirectGain;
ALfloat DirectGainHF;
struct {
struct ALeffectslot *Slot;
ALfloat Gain;
ALfloat GainHF;
} Send[MAX_SENDS];
/** Source needs to update its mixing parameters. */
volatile ALenum NeedsUpdate;
/** Self ID */
ALuint id;
} ALsource;
inline struct ALsource *LookupSource(ALCcontext *context, ALuint id)
{ return (struct ALsource*)LookupUIntMapKey(&context->SourceMap, id); }
inline struct ALsource *RemoveSource(ALCcontext *context, ALuint id)
{ return (struct ALsource*)RemoveUIntMapKey(&context->SourceMap, id); }
ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state);
ALboolean ApplyOffset(ALsource *Source);
ALvoid ReleaseALSources(ALCcontext *Context);
#ifdef __cplusplus
}
#endif
#endif
|
