axmol/thirdparty/openal/core/buffer_storage.cpp

43 lines
954 B
C++
Raw Normal View History

2021-05-14 10:15:42 +08:00
#include "config.h"
#include "buffer_storage.h"
#include <stdint.h>
uint BytesFromFmt(FmtType type) noexcept
{
switch(type)
{
case FmtUByte: return sizeof(uint8_t);
case FmtShort: return sizeof(int16_t);
case FmtFloat: return sizeof(float);
case FmtDouble: return sizeof(double);
case FmtMulaw: return sizeof(uint8_t);
case FmtAlaw: return sizeof(uint8_t);
}
return 0;
}
uint ChannelsFromFmt(FmtChannels chans, uint ambiorder) noexcept
{
switch(chans)
{
case FmtMono: return 1;
case FmtStereo: return 2;
case FmtRear: return 2;
case FmtQuad: return 4;
case FmtX51: return 6;
case FmtX61: return 7;
case FmtX71: return 8;
case FmtBFormat2D: return (ambiorder*2) + 1;
case FmtBFormat3D: return (ambiorder+1) * (ambiorder+1);
case FmtUHJ2: return 2;
case FmtUHJ3: return 3;
case FmtUHJ4: return 4;
2022-04-25 12:02:45 +08:00
case FmtSuperStereo: return 2;
2021-05-14 10:15:42 +08:00
}
return 0;
}