mirror of https://github.com/axmolengine/axmol.git
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
|
#ifndef CORE_BUFFER_STORAGE_H
|
||
|
|
#define CORE_BUFFER_STORAGE_H
|
||
|
|
|
||
|
|
#include <atomic>
|
||
|
|
|
||
|
|
#include "albyte.h"
|
||
|
|
|
||
|
|
|
||
|
|
using uint = unsigned int;
|
||
|
|
|
||
|
|
/* Storable formats */
|
||
|
|
enum FmtType : unsigned char {
|
||
|
|
FmtUByte,
|
||
|
|
FmtShort,
|
||
|
|
FmtFloat,
|
||
|
|
FmtDouble,
|
||
|
|
FmtMulaw,
|
||
|
|
FmtAlaw,
|
||
|
|
};
|
||
|
|
enum FmtChannels : unsigned char {
|
||
|
|
FmtMono,
|
||
|
|
FmtStereo,
|
||
|
|
FmtRear,
|
||
|
|
FmtQuad,
|
||
|
|
FmtX51, /* (WFX order) */
|
||
|
|
FmtX61, /* (WFX order) */
|
||
|
|
FmtX71, /* (WFX order) */
|
||
|
|
FmtBFormat2D,
|
||
|
|
FmtBFormat3D,
|
||
|
|
FmtUHJ2, /* 2-channel UHJ, aka "BHJ", stereo-compatible */
|
||
|
|
FmtUHJ3, /* 3-channel UHJ, aka "THJ" */
|
||
|
|
FmtUHJ4, /* 4-channel UHJ, aka "PHJ" */
|
||
|
|
};
|
||
|
|
|
||
|
|
enum class AmbiLayout : unsigned char {
|
||
|
|
FuMa,
|
||
|
|
ACN,
|
||
|
|
};
|
||
|
|
enum class AmbiScaling : unsigned char {
|
||
|
|
FuMa,
|
||
|
|
SN3D,
|
||
|
|
N3D,
|
||
|
|
};
|
||
|
|
|
||
|
|
uint BytesFromFmt(FmtType type) noexcept;
|
||
|
|
uint ChannelsFromFmt(FmtChannels chans, uint ambiorder) noexcept;
|
||
|
|
inline uint FrameSizeFromFmt(FmtChannels chans, FmtType type, uint ambiorder) noexcept
|
||
|
|
{ return ChannelsFromFmt(chans, ambiorder) * BytesFromFmt(type); }
|
||
|
|
|
||
|
|
|
||
|
|
using CallbackType = int(*)(void*, void*, int);
|
||
|
|
|
||
|
|
struct BufferStorage {
|
||
|
|
CallbackType mCallback{nullptr};
|
||
|
|
void *mUserData{nullptr};
|
||
|
|
|
||
|
|
uint mSampleRate{0u};
|
||
|
|
FmtChannels mChannels{FmtMono};
|
||
|
|
FmtType mType{FmtShort};
|
||
|
|
uint mSampleLen{0u};
|
||
|
|
|
||
|
|
AmbiLayout mAmbiLayout{AmbiLayout::FuMa};
|
||
|
|
AmbiScaling mAmbiScaling{AmbiScaling::FuMa};
|
||
|
|
uint mAmbiOrder{0u};
|
||
|
|
|
||
|
|
inline uint bytesFromFmt() const noexcept { return BytesFromFmt(mType); }
|
||
|
|
inline uint channelsFromFmt() const noexcept
|
||
|
|
{ return ChannelsFromFmt(mChannels, mAmbiOrder); }
|
||
|
|
inline uint frameSizeFromFmt() const noexcept { return channelsFromFmt() * bytesFromFmt(); }
|
||
|
|
|
||
|
|
inline bool isBFormat() const noexcept
|
||
|
|
{ return mChannels == FmtBFormat2D || mChannels == FmtBFormat3D; }
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* CORE_BUFFER_STORAGE_H */
|