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
|
#ifndef _AL_BUFFER_H_
#define _AL_BUFFER_H_
#include "alMain.h"
#ifdef __cplusplus
extern "C" {
#endif
/* User formats */
enum UserFmtType {
UserFmtByte = AL_BYTE_SOFT,
UserFmtUByte = AL_UNSIGNED_BYTE_SOFT,
UserFmtShort = AL_SHORT_SOFT,
UserFmtUShort = AL_UNSIGNED_SHORT_SOFT,
UserFmtInt = AL_INT_SOFT,
UserFmtUInt = AL_UNSIGNED_INT_SOFT,
UserFmtFloat = AL_FLOAT_SOFT,
UserFmtDouble = AL_DOUBLE_SOFT,
UserFmtMulaw = AL_MULAW_SOFT,
UserFmtAlaw = 0x10000000,
UserFmtIMA4,
UserFmtMSADPCM,
};
enum UserFmtChannels {
UserFmtMono = AL_MONO_SOFT,
UserFmtStereo = AL_STEREO_SOFT,
UserFmtRear = AL_REAR_SOFT,
UserFmtQuad = AL_QUAD_SOFT,
UserFmtX51 = AL_5POINT1_SOFT, /* (WFX order) */
UserFmtX61 = AL_6POINT1_SOFT, /* (WFX order) */
UserFmtX71 = AL_7POINT1_SOFT, /* (WFX order) */
UserFmtBFormat2D = AL_BFORMAT2D_SOFT, /* WXY */
UserFmtBFormat3D = AL_BFORMAT3D_SOFT, /* 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 {
FmtByte = UserFmtByte,
FmtShort = UserFmtShort,
FmtFloat = UserFmtFloat,
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)
ALsizei BytesFromFmt(enum FmtType type);
ALsizei ChannelsFromFmt(enum FmtChannels chans);
inline ALsizei FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type)
{
return ChannelsFromFmt(chans) * BytesFromFmt(type);
}
typedef struct ALbuffer {
ALvoid *data;
ALsizei Frequency;
ALenum Format;
ALsizei SampleLen;
enum FmtChannels FmtChannels;
enum FmtType FmtType;
ALuint BytesAlloc;
enum UserFmtChannels OriginalChannels;
enum UserFmtType OriginalType;
ALsizei OriginalSize;
ALsizei OriginalAlign;
ALsizei LoopStart;
ALsizei LoopEnd;
ATOMIC(ALsizei) UnpackAlign;
ATOMIC(ALsizei) PackAlign;
/* Number of times buffer was attached to a source (deletion can only occur when 0) */
RefCount ref;
RWLock lock;
/* Self ID */
ALuint id;
} ALbuffer;
ALbuffer *NewBuffer(ALCcontext *context);
void DeleteBuffer(ALCdevice *device, ALbuffer *buffer);
inline void LockBuffersRead(ALCdevice *device)
{ LockUIntMapRead(&device->BufferMap); }
inline void UnlockBuffersRead(ALCdevice *device)
{ UnlockUIntMapRead(&device->BufferMap); }
inline void LockBuffersWrite(ALCdevice *device)
{ LockUIntMapWrite(&device->BufferMap); }
inline void UnlockBuffersWrite(ALCdevice *device)
{ UnlockUIntMapWrite(&device->BufferMap); }
inline struct ALbuffer *LookupBuffer(ALCdevice *device, ALuint id)
{ return (struct ALbuffer*)LookupUIntMapKeyNoLock(&device->BufferMap, id); }
inline struct ALbuffer *RemoveBuffer(ALCdevice *device, ALuint id)
{ return (struct ALbuffer*)RemoveUIntMapKeyNoLock(&device->BufferMap, id); }
ALvoid ReleaseALBuffers(ALCdevice *device);
#ifdef __cplusplus
}
#endif
#endif
|
