Chris Robinson
28fa82378b
They're inherently protected by the mutex for their respective lists. Should those mutexes be replaced by rwlocks the individual locks should also be reinstated, but they're unlikely to be unless a lot of contention starts happening in the read-only case.
116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
#ifndef _AL_BUFFER_H_
|
|
#define _AL_BUFFER_H_
|
|
|
|
#include "AL/alc.h"
|
|
#include "AL/al.h"
|
|
#include "AL/alext.h"
|
|
|
|
#include "inprogext.h"
|
|
#include "atomic.h"
|
|
#include "rwlock.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* User formats */
|
|
enum UserFmtType {
|
|
UserFmtUByte,
|
|
UserFmtShort,
|
|
UserFmtFloat,
|
|
UserFmtDouble,
|
|
UserFmtMulaw,
|
|
UserFmtAlaw,
|
|
UserFmtIMA4,
|
|
UserFmtMSADPCM,
|
|
};
|
|
enum UserFmtChannels {
|
|
UserFmtMono,
|
|
UserFmtStereo,
|
|
UserFmtRear,
|
|
UserFmtQuad,
|
|
UserFmtX51, /* (WFX order) */
|
|
UserFmtX61, /* (WFX order) */
|
|
UserFmtX71, /* (WFX order) */
|
|
UserFmtBFormat2D, /* WXY */
|
|
UserFmtBFormat3D, /* 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 {
|
|
FmtUByte = UserFmtUByte,
|
|
FmtShort = UserFmtShort,
|
|
FmtFloat = UserFmtFloat,
|
|
FmtDouble = UserFmtDouble,
|
|
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;
|
|
ALbitfieldSOFT Access;
|
|
ALsizei SampleLen;
|
|
|
|
enum FmtChannels FmtChannels;
|
|
enum FmtType FmtType;
|
|
ALsizei BytesAlloc;
|
|
|
|
enum UserFmtType OriginalType;
|
|
ALsizei OriginalSize;
|
|
ALsizei OriginalAlign;
|
|
|
|
ALsizei LoopStart;
|
|
ALsizei LoopEnd;
|
|
|
|
ATOMIC(ALsizei) UnpackAlign;
|
|
ATOMIC(ALsizei) PackAlign;
|
|
|
|
ALbitfieldSOFT MappedAccess;
|
|
ALsizei MappedOffset;
|
|
ALsizei MappedSize;
|
|
|
|
/* Number of times buffer was attached to a source (deletion can only occur when 0) */
|
|
RefCount ref;
|
|
|
|
/* Self ID */
|
|
ALuint id;
|
|
} ALbuffer;
|
|
|
|
ALvoid ReleaseALBuffers(ALCdevice *device);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|