Move some declarations out of alcmain.h

1 files changed, 120 insertions, 0 deletions

diff --git a/alc/devformat.h b/alc/devformat.h
new file mode 100644
index 00000000..95fe5fbd
--- /dev/null
+++ b/alc/devformat.h
@@ -0,0 +1,120 @@
+#ifndef ALC_DEVFORMAT_H
+#define ALC_DEVFORMAT_H
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "AL/alext.h"
+
+#include "inprogext.h"
+
+
+enum Channel {
+    FrontLeft = 0,
+    FrontRight,
+    FrontCenter,
+    LFE,
+    BackLeft,
+    BackRight,
+    BackCenter,
+    SideLeft,
+    SideRight,
+
+    UpperFrontLeft,
+    UpperFrontRight,
+    UpperBackLeft,
+    UpperBackRight,
+    LowerFrontLeft,
+    LowerFrontRight,
+    LowerBackLeft,
+    LowerBackRight,
+
+    Aux0,
+    Aux1,
+    Aux2,
+    Aux3,
+    Aux4,
+    Aux5,
+    Aux6,
+    Aux7,
+    Aux8,
+    Aux9,
+    Aux10,
+    Aux11,
+    Aux12,
+    Aux13,
+    Aux14,
+    Aux15,
+
+    MaxChannels
+};
+
+
+/* Device formats */
+enum DevFmtType : ALenum {
+    DevFmtByte   = ALC_BYTE_SOFT,
+    DevFmtUByte  = ALC_UNSIGNED_BYTE_SOFT,
+    DevFmtShort  = ALC_SHORT_SOFT,
+    DevFmtUShort = ALC_UNSIGNED_SHORT_SOFT,
+    DevFmtInt    = ALC_INT_SOFT,
+    DevFmtUInt   = ALC_UNSIGNED_INT_SOFT,
+    DevFmtFloat  = ALC_FLOAT_SOFT,
+
+    DevFmtTypeDefault = DevFmtFloat
+};
+enum DevFmtChannels : ALenum {
+    DevFmtMono   = ALC_MONO_SOFT,
+    DevFmtStereo = ALC_STEREO_SOFT,
+    DevFmtQuad   = ALC_QUAD_SOFT,
+    DevFmtX51    = ALC_5POINT1_SOFT,
+    DevFmtX61    = ALC_6POINT1_SOFT,
+    DevFmtX71    = ALC_7POINT1_SOFT,
+    DevFmtAmbi3D = ALC_BFORMAT3D_SOFT,
+
+    /* Similar to 5.1, except using rear channels instead of sides */
+    DevFmtX51Rear = 0x70000000,
+
+    DevFmtChannelsDefault = DevFmtStereo
+};
+#define MAX_OUTPUT_CHANNELS  (16)
+
+/* DevFmtType traits, providing the type, etc given a DevFmtType. */
+template<DevFmtType T>
+struct DevFmtTypeTraits { };
+
+template<>
+struct DevFmtTypeTraits<DevFmtByte> { using Type = ALbyte; };
+template<>
+struct DevFmtTypeTraits<DevFmtUByte> { using Type = ALubyte; };
+template<>
+struct DevFmtTypeTraits<DevFmtShort> { using Type = ALshort; };
+template<>
+struct DevFmtTypeTraits<DevFmtUShort> { using Type = ALushort; };
+template<>
+struct DevFmtTypeTraits<DevFmtInt> { using Type = ALint; };
+template<>
+struct DevFmtTypeTraits<DevFmtUInt> { using Type = ALuint; };
+template<>
+struct DevFmtTypeTraits<DevFmtFloat> { using Type = ALfloat; };
+
+
+ALsizei BytesFromDevFmt(DevFmtType type) noexcept;
+ALsizei ChannelsFromDevFmt(DevFmtChannels chans, ALsizei ambiorder) noexcept;
+inline ALsizei FrameSizeFromDevFmt(DevFmtChannels chans, DevFmtType type, ALsizei ambiorder) noexcept
+{ return ChannelsFromDevFmt(chans, ambiorder) * BytesFromDevFmt(type); }
+
+enum class AmbiLayout {
+    FuMa = ALC_FUMA_SOFT, /* FuMa channel order */
+    ACN = ALC_ACN_SOFT,   /* ACN channel order */
+
+    Default = ACN
+};
+
+enum class AmbiNorm {
+    FuMa = ALC_FUMA_SOFT, /* FuMa normalization */
+    SN3D = ALC_SN3D_SOFT, /* SN3D normalization */
+    N3D = ALC_N3D_SOFT,   /* N3D normalization */
+
+    Default = SN3D
+};
+
+#endif /* ALC_DEVFORMAT_H */