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
|
#ifndef _AL_BUFFER_H_
#define _AL_BUFFER_H_
#include "AL/alc.h"
#include "AL/al.h"
#include "AL/alext.h"
#include "inprogext.h"
#include "atomic.h"
#include "vector.h"
/* User formats */
enum UserFmtType {
UserFmtUByte,
UserFmtShort,
UserFmtFloat,
UserFmtDouble,
UserFmtMulaw,
UserFmtAlaw,
UserFmtIMA4,
UserFmtMSADPCM,
};
enum UserFmtChannels {
UserFmtMono,
UserFmtStereo,
UserFmtRear,
UserFmtQuad,
UserFmtX51, /* (WFX order) */
UserFmtX61, /* (WFX order) */
UserFmtX71, /* (WFX order) */
UserFmtBFormat2D, /* WXY */
UserFmtBFormat3D, /* WXYZ */
};
ALsizei BytesFromUserFmt(enum UserFmtType type);
ALsizei ChannelsFromUserFmt(enum UserFmtChannels chans);
inline ALsizei FrameSizeFromUserFmt(enum UserFmtChannels chans, enum UserFmtType type)
{
return ChannelsFromUserFmt(chans) * BytesFromUserFmt(type);
}
/* Storable formats */
enum FmtType {
FmtUByte = UserFmtUByte,
FmtShort = UserFmtShort,
FmtFloat = UserFmtFloat,
FmtDouble = UserFmtDouble,
FmtMulaw = UserFmtMulaw,
FmtAlaw = UserFmtAlaw,
};
enum FmtChannels {
FmtMono = UserFmtMono,
FmtStereo = UserFmtStereo,
FmtRear = UserFmtRear,
FmtQuad = UserFmtQuad,
FmtX51 = UserFmtX51,
FmtX61 = UserFmtX61,
FmtX71 = UserFmtX71,
FmtBFormat2D = UserFmtBFormat2D,
FmtBFormat3D = UserFmtBFormat3D,
};
#define MAX_INPUT_CHANNELS (8)
/* DevFmtType traits, providing the type, etc given a DevFmtType. */
template<FmtType T>
struct FmtTypeTraits { };
template<>
struct FmtTypeTraits<FmtUByte> { using Type = ALubyte; };
template<>
struct FmtTypeTraits<FmtShort> { using Type = ALshort; };
template<>
struct FmtTypeTraits<FmtFloat> { using Type = ALfloat; };
template<>
struct FmtTypeTraits<FmtDouble> { using Type = ALdouble; };
template<>
struct FmtTypeTraits<FmtMulaw> { using Type = ALubyte; };
template<>
struct FmtTypeTraits<FmtAlaw> { using Type = ALubyte; };
ALsizei BytesFromFmt(enum FmtType type);
ALsizei ChannelsFromFmt(enum FmtChannels chans);
inline ALsizei FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type)
{
return ChannelsFromFmt(chans) * BytesFromFmt(type);
}
struct ALbuffer {
al::vector<ALbyte,16> mData;
ALsizei Frequency{0};
ALbitfieldSOFT Access{0u};
ALsizei SampleLen{0};
enum FmtChannels FmtChannels{};
enum FmtType FmtType{};
ALsizei BytesAlloc{0};
enum UserFmtType OriginalType{};
ALsizei OriginalSize{0};
ALsizei OriginalAlign{0};
ALsizei LoopStart{0};
ALsizei LoopEnd{0};
std::atomic<ALsizei> UnpackAlign{0};
std::atomic<ALsizei> PackAlign{0};
ALbitfieldSOFT MappedAccess{0u};
ALsizei MappedOffset{0};
ALsizei MappedSize{0};
/* Number of times buffer was attached to a source (deletion can only occur when 0) */
RefCount ref{0u};
/* Self ID */
ALuint id{0};
};
#endif
|
