1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/OpenAL32/Include/alBuffer.h	Tue Oct 25 13:02:31 2011 -0700
     1.3 @@ -0,0 +1,100 @@
     1.4 +#ifndef _AL_BUFFER_H_
     1.5 +#define _AL_BUFFER_H_
     1.6 +
     1.7 +#include "AL/al.h"
     1.8 +
     1.9 +#ifdef __cplusplus
    1.10 +extern "C" {
    1.11 +#endif
    1.12 +
    1.13 +/* User formats */
    1.14 +enum UserFmtType {
    1.15 +    UserFmtByte   = AL_BYTE,
    1.16 +    UserFmtUByte  = AL_UNSIGNED_BYTE,
    1.17 +    UserFmtShort  = AL_SHORT,
    1.18 +    UserFmtUShort = AL_UNSIGNED_SHORT,
    1.19 +    UserFmtInt    = AL_INT,
    1.20 +    UserFmtUInt   = AL_UNSIGNED_INT,
    1.21 +    UserFmtFloat  = AL_FLOAT,
    1.22 +    UserFmtDouble = AL_DOUBLE,
    1.23 +    UserFmtMulaw  = AL_MULAW,
    1.24 +    UserFmtIMA4   = AL_IMA4,
    1.25 +    UserFmtByte3  = AL_BYTE3,
    1.26 +    UserFmtUByte3 = AL_UNSIGNED_BYTE3,
    1.27 +};
    1.28 +enum UserFmtChannels {
    1.29 +    UserFmtMono   = AL_MONO,
    1.30 +    UserFmtStereo = AL_STEREO,
    1.31 +    UserFmtRear   = AL_REAR,
    1.32 +    UserFmtQuad   = AL_QUAD,
    1.33 +    UserFmtX51    = AL_5POINT1, /* (WFX order) */
    1.34 +    UserFmtX61    = AL_6POINT1, /* (WFX order) */
    1.35 +    UserFmtX71    = AL_7POINT1  /* (WFX order) */
    1.36 +};
    1.37 +
    1.38 +ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans,
    1.39 +                              enum UserFmtType *type);
    1.40 +ALuint BytesFromUserFmt(enum UserFmtType type);
    1.41 +ALuint ChannelsFromUserFmt(enum UserFmtChannels chans);
    1.42 +static __inline ALuint FrameSizeFromUserFmt(enum UserFmtChannels chans,
    1.43 +                                            enum UserFmtType type)
    1.44 +{
    1.45 +    return ChannelsFromUserFmt(chans) * BytesFromUserFmt(type);
    1.46 +}
    1.47 +
    1.48 +
    1.49 +/* Storable formats */
    1.50 +enum FmtType {
    1.51 +    FmtByte  = UserFmtByte,
    1.52 +    FmtShort = UserFmtShort,
    1.53 +    FmtFloat = UserFmtFloat,
    1.54 +};
    1.55 +enum FmtChannels {
    1.56 +    FmtMono   = UserFmtMono,
    1.57 +    FmtStereo = UserFmtStereo,
    1.58 +    FmtRear   = UserFmtRear,
    1.59 +    FmtQuad   = UserFmtQuad,
    1.60 +    FmtX51    = UserFmtX51,
    1.61 +    FmtX61    = UserFmtX61,
    1.62 +    FmtX71    = UserFmtX71,
    1.63 +};
    1.64 +
    1.65 +ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum FmtType *type);
    1.66 +ALuint BytesFromFmt(enum FmtType type);
    1.67 +ALuint ChannelsFromFmt(enum FmtChannels chans);
    1.68 +static __inline ALuint FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type)
    1.69 +{
    1.70 +    return ChannelsFromFmt(chans) * BytesFromFmt(type);
    1.71 +}
    1.72 +
    1.73 +
    1.74 +typedef struct ALbuffer
    1.75 +{
    1.76 +    ALvoid  *data;
    1.77 +    ALsizei  size;
    1.78 +
    1.79 +    ALsizei          Frequency;
    1.80 +    enum FmtChannels FmtChannels;
    1.81 +    enum FmtType     FmtType;
    1.82 +
    1.83 +    enum UserFmtChannels OriginalChannels;
    1.84 +    enum UserFmtType     OriginalType;
    1.85 +    ALsizei OriginalSize;
    1.86 +    ALsizei OriginalAlign;
    1.87 +
    1.88 +    ALsizei  LoopStart;
    1.89 +    ALsizei  LoopEnd;
    1.90 +
    1.91 +    ALuint   refcount; // Number of sources using this buffer (deletion can only occur when this is 0)
    1.92 +
    1.93 +    // Index to itself
    1.94 +    ALuint buffer;
    1.95 +} ALbuffer;
    1.96 +
    1.97 +ALvoid ReleaseALBuffers(ALCdevice *device);
    1.98 +
    1.99 +#ifdef __cplusplus
   1.100 +}
   1.101 +#endif
   1.102 +
   1.103 +#endif