openal-soft/al/buffer.h
2020-04-04 01:52:29 -07:00

114 lines
2.6 KiB
C

#ifndef AL_BUFFER_H
#define AL_BUFFER_H
#include <atomic>
#include "AL/al.h"
#include "albyte.h"
#include "almalloc.h"
#include "atomic.h"
#include "inprogext.h"
#include "vector.h"
/* User formats */
enum UserFmtType : unsigned char {
UserFmtUByte,
UserFmtShort,
UserFmtFloat,
UserFmtDouble,
UserFmtMulaw,
UserFmtAlaw,
UserFmtIMA4,
UserFmtMSADPCM,
};
enum UserFmtChannels : unsigned char {
UserFmtMono,
UserFmtStereo,
UserFmtRear,
UserFmtQuad,
UserFmtX51, /* (WFX order) */
UserFmtX61, /* (WFX order) */
UserFmtX71, /* (WFX order) */
UserFmtBFormat2D,
UserFmtBFormat3D,
};
/* Storable formats */
enum FmtType : unsigned char {
FmtUByte = UserFmtUByte,
FmtShort = UserFmtShort,
FmtFloat = UserFmtFloat,
FmtDouble = UserFmtDouble,
FmtMulaw = UserFmtMulaw,
FmtAlaw = UserFmtAlaw,
};
enum FmtChannels : unsigned char {
FmtMono = UserFmtMono,
FmtStereo = UserFmtStereo,
FmtRear = UserFmtRear,
FmtQuad = UserFmtQuad,
FmtX51 = UserFmtX51,
FmtX61 = UserFmtX61,
FmtX71 = UserFmtX71,
FmtBFormat2D = UserFmtBFormat2D,
FmtBFormat3D = UserFmtBFormat3D,
};
ALuint BytesFromFmt(FmtType type) noexcept;
ALuint ChannelsFromFmt(FmtChannels chans, ALuint ambiorder) noexcept;
inline ALuint FrameSizeFromFmt(FmtChannels chans, FmtType type, ALuint ambiorder) noexcept
{ return ChannelsFromFmt(chans, ambiorder) * BytesFromFmt(type); }
struct ALbuffer {
al::vector<al::byte,16> mData;
ALuint Frequency{0u};
ALbitfieldSOFT Access{0u};
ALuint SampleLen{0u};
FmtChannels mFmtChannels{};
FmtType mFmtType{};
UserFmtType OriginalType{};
ALuint OriginalSize{0};
ALuint OriginalAlign{0};
ALenum AmbiLayout{AL_FUMA_SOFT};
ALenum AmbiScaling{AL_FUMA_SOFT};
/* AmbiOrder is only updated when loading new data. */
ALuint AmbiOrder{0};
LPALBUFFERCALLBACKTYPESOFT Callback{nullptr};
void *UserData{nullptr};
ALuint LoopStart{0u};
ALuint LoopEnd{0u};
ALuint UnpackAlign{0};
ALuint PackAlign{0};
ALuint UnpackAmbiOrder{1};
ALbitfieldSOFT MappedAccess{0u};
ALsizei MappedOffset{0};
ALsizei MappedSize{0};
/* Number of times buffer was attached to a source (deletion can only occur when 0) */
RefCount ref{0u};
/* Self ID */
ALuint id{0};
inline ALuint bytesFromFmt() const noexcept { return BytesFromFmt(mFmtType); }
inline ALuint channelsFromFmt() const noexcept
{ return ChannelsFromFmt(mFmtChannels, AmbiOrder); }
inline ALuint frameSizeFromFmt() const noexcept { return channelsFromFmt() * bytesFromFmt(); }
DISABLE_ALLOC()
};
#endif