alc/devformat.h

   1 #ifndef ALC_DEVFORMAT_H
   2 #define ALC_DEVFORMAT_H
   3
   4 #include <cstdint>
   5
   6 #include "AL/al.h"
   7 #include "AL/alext.h"
   8
   9 #include "inprogext.h"
  10
  11
  12 enum Channel {
  13     FrontLeft = 0,
  14     FrontRight,
  15     FrontCenter,
  16     LFE,
  17     BackLeft,
  18     BackRight,
  19     BackCenter,
  20     SideLeft,
  21     SideRight,
  22
  23     UpperFrontLeft,
  24     UpperFrontRight,
  25     UpperBackLeft,
  26     UpperBackRight,
  27     LowerFrontLeft,
  28     LowerFrontRight,
  29     LowerBackLeft,
  30     LowerBackRight,
  31
  32     Aux0,
  33     Aux1,
  34     Aux2,
  35     Aux3,
  36     Aux4,
  37     Aux5,
  38     Aux6,
  39     Aux7,
  40     Aux8,
  41     Aux9,
  42     Aux10,
  43     Aux11,
  44     Aux12,
  45     Aux13,
  46     Aux14,
  47     Aux15,
  48
  49     MaxChannels
  50 };
  51
  52
  53 /* Device formats */
  54 enum DevFmtType : ALenum {
  55     DevFmtByte   = ALC_BYTE_SOFT,
  56     DevFmtUByte  = ALC_UNSIGNED_BYTE_SOFT,
  57     DevFmtShort  = ALC_SHORT_SOFT,
  58     DevFmtUShort = ALC_UNSIGNED_SHORT_SOFT,
  59     DevFmtInt    = ALC_INT_SOFT,
  60     DevFmtUInt   = ALC_UNSIGNED_INT_SOFT,
  61     DevFmtFloat  = ALC_FLOAT_SOFT,
  62
  63     DevFmtTypeDefault = DevFmtFloat
  64 };
  65 enum DevFmtChannels : ALenum {
  66     DevFmtMono   = ALC_MONO_SOFT,
  67     DevFmtStereo = ALC_STEREO_SOFT,
  68     DevFmtQuad   = ALC_QUAD_SOFT,
  69     DevFmtX51    = ALC_5POINT1_SOFT,
  70     DevFmtX61    = ALC_6POINT1_SOFT,
  71     DevFmtX71    = ALC_7POINT1_SOFT,
  72     DevFmtAmbi3D = ALC_BFORMAT3D_SOFT,
  73
  74     /* Similar to 5.1, except using rear channels instead of sides */
  75     DevFmtX51Rear = 0x70000000,
  76
  77     DevFmtChannelsDefault = DevFmtStereo
  78 };
  79 #define MAX_OUTPUT_CHANNELS  (16)
  80
  81 /* DevFmtType traits, providing the type, etc given a DevFmtType. */
  82 template<DevFmtType T>
  83 struct DevFmtTypeTraits { };
  84
  85 template<>
  86 struct DevFmtTypeTraits<DevFmtByte> { using Type = int8_t; };
  87 template<>
  88 struct DevFmtTypeTraits<DevFmtUByte> { using Type = uint8_t; };
  89 template<>
  90 struct DevFmtTypeTraits<DevFmtShort> { using Type = int16_t; };
  91 template<>
  92 struct DevFmtTypeTraits<DevFmtUShort> { using Type = uint16_t; };
  93 template<>
  94 struct DevFmtTypeTraits<DevFmtInt> { using Type = int32_t; };
  95 template<>
  96 struct DevFmtTypeTraits<DevFmtUInt> { using Type = uint32_t; };
  97 template<>
  98 struct DevFmtTypeTraits<DevFmtFloat> { using Type = float; };
  99
 100
 101 ALuint BytesFromDevFmt(DevFmtType type) noexcept;
 102 ALuint ChannelsFromDevFmt(DevFmtChannels chans, ALuint ambiorder) noexcept;
 103 inline ALuint FrameSizeFromDevFmt(DevFmtChannels chans, DevFmtType type, ALuint ambiorder) noexcept
 104 { return ChannelsFromDevFmt(chans, ambiorder) * BytesFromDevFmt(type); }
 105
 106 enum class AmbiLayout {
 107     FuMa = ALC_FUMA_SOFT, /* FuMa channel order */
 108     ACN = ALC_ACN_SOFT,   /* ACN channel order */
 109
 110     Default = ACN
 111 };
 112
 113 enum class AmbiNorm {
 114     FuMa = ALC_FUMA_SOFT, /* FuMa normalization */
 115     SN3D = ALC_SN3D_SOFT, /* SN3D normalization */
 116     N3D = ALC_N3D_SOFT,   /* N3D normalization */
 117
 118     Default = SN3D
 119 };
 120
 121 #endif /* ALC_DEVFORMAT_H */