aboutsummaryrefslogtreecommitdiffstats
path: root/OpenAL32/Include/alBuffer.h
blob: 06823ace824fe409aca4821805fab31ad4323366 (plain)
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
#ifndef _AL_BUFFER_H_
#define _AL_BUFFER_H_

#include "AL/al.h"

#ifdef __cplusplus
extern "C" {
#endif

enum FmtType {
    FmtUByte,
    FmtShort,
    FmtFloat,
};

enum FmtChannels {
    FmtMono,
    FmtStereo,
    FmtQuad,
    Fmt51ChanWFX,
    Fmt61ChanWFX,
    Fmt71ChanWFX,
};


static __inline void DecompFormat(ALenum format, enum FmtType *type,
                                  enum FmtChannels *order)
{
    switch(format)
    {
        case AL_FORMAT_MONO8:
            *type  = FmtUByte;
            *order = FmtMono;
            break;
        case AL_FORMAT_MONO16:
            *type  = FmtShort;
            *order = FmtMono;
            break;
        case AL_FORMAT_MONO_FLOAT32:
            *type  = FmtFloat;
            *order = FmtMono;
            break;
        case AL_FORMAT_STEREO8:
            *type  = FmtUByte;
            *order = FmtStereo;
            break;
        case AL_FORMAT_STEREO16:
            *type  = FmtShort;
            *order = FmtStereo;
            break;
        case AL_FORMAT_STEREO_FLOAT32:
            *type  = FmtFloat;
            *order = FmtStereo;
            break;
        case AL_FORMAT_QUAD8_LOKI:
        case AL_FORMAT_QUAD8:
            *type  = FmtUByte;
            *order = FmtQuad;
            break;
        case AL_FORMAT_QUAD16_LOKI:
        case AL_FORMAT_QUAD16:
            *type  = FmtShort;
            *order = FmtQuad;
            break;
        case AL_FORMAT_QUAD32:
            *type  = FmtFloat;
            *order = FmtQuad;
            break;
        case AL_FORMAT_51CHN8:
            *type  = FmtUByte;
            *order = Fmt51ChanWFX;
            break;
        case AL_FORMAT_51CHN16:
            *type  = FmtShort;
            *order = Fmt51ChanWFX;
            break;
        case AL_FORMAT_51CHN32:
            *type  = FmtFloat;
            *order = Fmt51ChanWFX;
            break;
        case AL_FORMAT_61CHN8:
            *type  = FmtUByte;
            *order = Fmt61ChanWFX;
            break;
        case AL_FORMAT_61CHN16:
            *type  = FmtShort;
            *order = Fmt61ChanWFX;
            break;
        case AL_FORMAT_61CHN32:
            *type  = FmtFloat;
            *order = Fmt61ChanWFX;
            break;
        case AL_FORMAT_71CHN8:
            *type  = FmtUByte;
            *order = Fmt71ChanWFX;
            break;
        case AL_FORMAT_71CHN16:
            *type  = FmtShort;
            *order = Fmt71ChanWFX;
            break;
        case AL_FORMAT_71CHN32:
            *type  = FmtFloat;
            *order = Fmt71ChanWFX;
            break;

        default:
            AL_PRINT("Unhandled format specified: 0x%X\n", format);
            abort();
    }
}


typedef struct ALbuffer
{
    ALvoid  *data;
    ALsizei  size;

    ALenum   format;
    ALenum   eOriginalFormat;
    ALsizei  frequency;

    ALsizei  OriginalSize;
    ALsizei  OriginalAlign;

    ALsizei  LoopStart;
    ALsizei  LoopEnd;

    enum FmtType     FmtType;
    enum FmtChannels FmtChannels;

    ALuint   refcount; // Number of sources using this buffer (deletion can only occur when this is 0)

    // Index to itself
    ALuint buffer;
} ALbuffer;

ALvoid ReleaseALBuffers(ALCdevice *device);

#ifdef __cplusplus
}
#endif

#endif