rlm@0: #ifndef _AL_BUFFER_H_
rlm@0: #define _AL_BUFFER_H_
rlm@0: 
rlm@0: #include "AL/al.h"
rlm@0: 
rlm@0: #ifdef __cplusplus
rlm@0: extern "C" {
rlm@0: #endif
rlm@0: 
rlm@0: /* User formats */
rlm@0: enum UserFmtType {
rlm@0:     UserFmtByte   = AL_BYTE,
rlm@0:     UserFmtUByte  = AL_UNSIGNED_BYTE,
rlm@0:     UserFmtShort  = AL_SHORT,
rlm@0:     UserFmtUShort = AL_UNSIGNED_SHORT,
rlm@0:     UserFmtInt    = AL_INT,
rlm@0:     UserFmtUInt   = AL_UNSIGNED_INT,
rlm@0:     UserFmtFloat  = AL_FLOAT,
rlm@0:     UserFmtDouble = AL_DOUBLE,
rlm@0:     UserFmtMulaw  = AL_MULAW,
rlm@0:     UserFmtIMA4   = AL_IMA4,
rlm@0:     UserFmtByte3  = AL_BYTE3,
rlm@0:     UserFmtUByte3 = AL_UNSIGNED_BYTE3,
rlm@0: };
rlm@0: enum UserFmtChannels {
rlm@0:     UserFmtMono   = AL_MONO,
rlm@0:     UserFmtStereo = AL_STEREO,
rlm@0:     UserFmtRear   = AL_REAR,
rlm@0:     UserFmtQuad   = AL_QUAD,
rlm@0:     UserFmtX51    = AL_5POINT1, /* (WFX order) */
rlm@0:     UserFmtX61    = AL_6POINT1, /* (WFX order) */
rlm@0:     UserFmtX71    = AL_7POINT1  /* (WFX order) */
rlm@0: };
rlm@0: 
rlm@0: ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans,
rlm@0:                               enum UserFmtType *type);
rlm@0: ALuint BytesFromUserFmt(enum UserFmtType type);
rlm@0: ALuint ChannelsFromUserFmt(enum UserFmtChannels chans);
rlm@0: static __inline ALuint FrameSizeFromUserFmt(enum UserFmtChannels chans,
rlm@0:                                             enum UserFmtType type)
rlm@0: {
rlm@0:     return ChannelsFromUserFmt(chans) * BytesFromUserFmt(type);
rlm@0: }
rlm@0: 
rlm@0: 
rlm@0: /* Storable formats */
rlm@0: enum FmtType {
rlm@0:     FmtByte  = UserFmtByte,
rlm@0:     FmtShort = UserFmtShort,
rlm@0:     FmtFloat = UserFmtFloat,
rlm@0: };
rlm@0: enum FmtChannels {
rlm@0:     FmtMono   = UserFmtMono,
rlm@0:     FmtStereo = UserFmtStereo,
rlm@0:     FmtRear   = UserFmtRear,
rlm@0:     FmtQuad   = UserFmtQuad,
rlm@0:     FmtX51    = UserFmtX51,
rlm@0:     FmtX61    = UserFmtX61,
rlm@0:     FmtX71    = UserFmtX71,
rlm@0: };
rlm@0: 
rlm@0: ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum FmtType *type);
rlm@0: ALuint BytesFromFmt(enum FmtType type);
rlm@0: ALuint ChannelsFromFmt(enum FmtChannels chans);
rlm@0: static __inline ALuint FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type)
rlm@0: {
rlm@0:     return ChannelsFromFmt(chans) * BytesFromFmt(type);
rlm@0: }
rlm@0: 
rlm@0: 
rlm@0: typedef struct ALbuffer
rlm@0: {
rlm@0:     ALvoid  *data;
rlm@0:     ALsizei  size;
rlm@0: 
rlm@0:     ALsizei          Frequency;
rlm@0:     enum FmtChannels FmtChannels;
rlm@0:     enum FmtType     FmtType;
rlm@0: 
rlm@0:     enum UserFmtChannels OriginalChannels;
rlm@0:     enum UserFmtType     OriginalType;
rlm@0:     ALsizei OriginalSize;
rlm@0:     ALsizei OriginalAlign;
rlm@0: 
rlm@0:     ALsizei  LoopStart;
rlm@0:     ALsizei  LoopEnd;
rlm@0: 
rlm@0:     ALuint   refcount; // Number of sources using this buffer (deletion can only occur when this is 0)
rlm@0: 
rlm@0:     // Index to itself
rlm@0:     ALuint buffer;
rlm@0: } ALbuffer;
rlm@0: 
rlm@0: ALvoid ReleaseALBuffers(ALCdevice *device);
rlm@0: 
rlm@0: #ifdef __cplusplus
rlm@0: }
rlm@0: #endif
rlm@0: 
rlm@0: #endif