core/buffer_storage.cpp

   1
   2 #include "config.h"
   3
   4 #include "buffer_storage.h"
   5
   6 #include <stdint.h>
   7
   8
   9 const char *NameFromFormat(FmtType type) noexcept
  10 {
  11     switch(type)
  12     {
  13     case FmtUByte: return "UInt8";
  14     case FmtShort: return "Int16";
  15     case FmtFloat: return "Float";
  16     case FmtDouble: return "Double";
  17     case FmtMulaw: return "muLaw";
  18     case FmtAlaw: return "aLaw";
  19     case FmtIMA4: return "IMA4 ADPCM";
  20     case FmtMSADPCM: return "MS ADPCM";
  21     }
  22     return "<internal error>";
  23 }
  24
  25 const char *NameFromFormat(FmtChannels channels) noexcept
  26 {
  27     switch(channels)
  28     {
  29     case FmtMono: return "Mono";
  30     case FmtStereo: return "Stereo";
  31     case FmtRear: return "Rear";
  32     case FmtQuad: return "Quadraphonic";
  33     case FmtX51: return "Surround 5.1";
  34     case FmtX61: return "Surround 6.1";
  35     case FmtX71: return "Surround 7.1";
  36     case FmtBFormat2D: return "B-Format 2D";
  37     case FmtBFormat3D: return "B-Format 3D";
  38     case FmtUHJ2: return "UHJ2";
  39     case FmtUHJ3: return "UHJ3";
  40     case FmtUHJ4: return "UHJ4";
  41     case FmtSuperStereo: return "Super Stereo";
  42     }
  43     return "<internal error>";
  44 }
  45
  46 uint BytesFromFmt(FmtType type) noexcept
  47 {
  48     switch(type)
  49     {
  50     case FmtUByte: return sizeof(uint8_t);
  51     case FmtShort: return sizeof(int16_t);
  52     case FmtFloat: return sizeof(float);
  53     case FmtDouble: return sizeof(double);
  54     case FmtMulaw: return sizeof(uint8_t);
  55     case FmtAlaw: return sizeof(uint8_t);
  56     case FmtIMA4: break;
  57     case FmtMSADPCM: break;
  58     }
  59     return 0;
  60 }
  61
  62 uint ChannelsFromFmt(FmtChannels chans, uint ambiorder) noexcept
  63 {
  64     switch(chans)
  65     {
  66     case FmtMono: return 1;
  67     case FmtStereo: return 2;
  68     case FmtRear: return 2;
  69     case FmtQuad: return 4;
  70     case FmtX51: return 6;
  71     case FmtX61: return 7;
  72     case FmtX71: return 8;
  73     case FmtBFormat2D: return (ambiorder*2) + 1;
  74     case FmtBFormat3D: return (ambiorder+1) * (ambiorder+1);
  75     case FmtUHJ2: return 2;
  76     case FmtUHJ3: return 3;
  77     case FmtUHJ4: return 4;
  78     case FmtSuperStereo: return 2;
  79     }
  80     return 0;
  81 }