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#ifndef _AL_BUFFER_H_
#define _AL_BUFFER_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Input formats (some are currently theoretical) */
enum SrcFmtType {
SrcFmtByte, /* AL_BYTE */
SrcFmtUByte, /* AL_UNSIGNED_BYTE */
SrcFmtShort, /* AL_SHORT */
SrcFmtUShort, /* AL_UNSIGNED_SHORT */
SrcFmtFloat, /* AL_FLOAT */
SrcFmtDouble, /* AL_DOUBLE */
};
enum SrcFmtChannels {
SrcFmtMono, /* AL_MONO */
SrcFmtStereo, /* AL_STEREO */
SrcFmtRear, /* AL_REAR */
SrcFmtQuad, /* AL_QUAD */
SrcFmtX51, /* AL_5POINT1 (WFX order) */
SrcFmtX61, /* AL_6POINT1 (WFX order) */
SrcFmtX71, /* AL_7POINT1 (WFX order) */
};
void DecomposeInputFormat(ALenum format, enum SrcFmtType *type,
enum SrcFmtChannels *order);
/* Storable formats */
enum FmtType {
FmtUByte,
FmtShort,
FmtFloat,
FmtDouble,
};
enum FmtChannels {
FmtMono,
FmtStereo,
FmtQuad,
Fmt51ChanWFX,
Fmt61ChanWFX,
Fmt71ChanWFX,
};
static __inline void DecomposeFormat(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
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