core/buffer_storage.cpp

   1
   2 #include "config.h"
   3
   4 #include "buffer_storage.h"
   5
   6 #include <stdint.h>
   7
   8
   9 uint 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
  23 uint ChannelsFromFmt(FmtChannels chans, uint ambiorder) noexcept
  24 {
  25     switch(chans)
  26     {
  27     case FmtMono: return 1;
  28     case FmtStereo: return 2;
  29     case FmtRear: return 2;
  30     case FmtQuad: return 4;
  31     case FmtX51: return 6;
  32     case FmtX61: return 7;
  33     case FmtX71: return 8;
  34     case FmtBFormat2D: return (ambiorder*2) + 1;
  35     case FmtBFormat3D: return (ambiorder+1) * (ambiorder+1);
  36     case FmtUHJ2: return 2;
  37     case FmtUHJ3: return 3;
  38     case FmtUHJ4: return 4;
  39     case FmtSuperStereo: return 2;
  40     }
  41     return 0;
  42 }