alc/buffer_storage.cpp

   1
   2 #include "config.h"
   3
   4 #include "buffer_storage.h"
   5
   6 #include <cstdint>
   7
   8
   9 ALuint BytesFromFmt(FmtType type) noexcept
  10 {
  11     switch(type)
  12     {
  13     case FmtUByte: return sizeof(uint8_t);
  14     case FmtShort: return sizeof(int16_t);
  15     case FmtFloat: return sizeof(float);
  16     case FmtDouble: return sizeof(double);
  17     case FmtMulaw: return sizeof(uint8_t);
  18     case FmtAlaw: return sizeof(uint8_t);
  19     }
  20     return 0;
  21 }
  22 ALuint ChannelsFromFmt(FmtChannels chans, ALuint ambiorder) noexcept
  23 {
  24     switch(chans)
  25     {
  26     case FmtMono: return 1;
  27     case FmtStereo: return 2;
  28     case FmtRear: return 2;
  29     case FmtQuad: return 4;
  30     case FmtX51: return 6;
  31     case FmtX61: return 7;
  32     case FmtX71: return 8;
  33     case FmtBFormat2D: return (ambiorder*2) + 1;
  34     case FmtBFormat3D: return (ambiorder+1) * (ambiorder+1);
  35     }
  36     return 0;
  37 }