Move ambidefs.h to core

1 files changed, 0 insertions, 135 deletions

diff --git a/alc/ambidefs.h b/alc/ambidefs.h
deleted file mode 100644
index 339b51f9..00000000
--- a/alc/ambidefs.h
+++ /dev/null
@@ -1,135 +0,0 @@
-#ifndef AMBIDEFS_H
-#define AMBIDEFS_H
-
-#include <array>
-#include <stddef.h>
-#include <stdint.h>
-
-using uint = unsigned int;
-
-/* The maximum number of Ambisonics channels. For a given order (o), the size
- * needed will be (o+1)**2, thus zero-order has 1, first-order has 4, second-
- * order has 9, third-order has 16, and fourth-order has 25.
- */
-constexpr uint8_t MaxAmbiOrder{3};
-constexpr inline size_t AmbiChannelsFromOrder(size_t order) noexcept
-{ return (order+1) * (order+1); }
-constexpr size_t MaxAmbiChannels{AmbiChannelsFromOrder(MaxAmbiOrder)};
-
-/* A bitmask of ambisonic channels for 0 to 4th order. This only specifies up
- * to 4th order, which is the highest order a 32-bit mask value can specify (a
- * 64-bit mask could handle up to 7th order).
- */
-constexpr uint Ambi0OrderMask{0x00000001};
-constexpr uint Ambi1OrderMask{0x0000000f};
-constexpr uint Ambi2OrderMask{0x000001ff};
-constexpr uint Ambi3OrderMask{0x0000ffff};
-constexpr uint Ambi4OrderMask{0x01ffffff};
-
-/* A bitmask of ambisonic channels with height information. If none of these
- * channels are used/needed, there's no height (e.g. with most surround sound
- * speaker setups). This is ACN ordering, with bit 0 being ACN 0, etc.
- */
-constexpr uint AmbiPeriphonicMask{0xfe7ce4};
-
-/* The maximum number of ambisonic channels for 2D (non-periphonic)
- * representation. This is 2 per each order above zero-order, plus 1 for zero-
- * order. Or simply, o*2 + 1.
- */
-constexpr inline size_t Ambi2DChannelsFromOrder(size_t order) noexcept
-{ return order*2 + 1; }
-constexpr size_t MaxAmbi2DChannels{Ambi2DChannelsFromOrder(MaxAmbiOrder)};
-
-
-/* NOTE: These are scale factors as applied to Ambisonics content. Decoder
- * coefficients should be divided by these values to get proper scalings.
- */
-struct AmbiScale {
-    static constexpr std::array<float,MaxAmbiChannels> FromN3D{{
-        1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-        1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f
-    }};
-    static constexpr std::array<float,MaxAmbiChannels> FromSN3D{{
-        1.000000000f, /* ACN  0, sqrt(1) */
-        1.732050808f, /* ACN  1, sqrt(3) */
-        1.732050808f, /* ACN  2, sqrt(3) */
-        1.732050808f, /* ACN  3, sqrt(3) */
-        2.236067978f, /* ACN  4, sqrt(5) */
-        2.236067978f, /* ACN  5, sqrt(5) */
-        2.236067978f, /* ACN  6, sqrt(5) */
-        2.236067978f, /* ACN  7, sqrt(5) */
-        2.236067978f, /* ACN  8, sqrt(5) */
-        2.645751311f, /* ACN  9, sqrt(7) */
-        2.645751311f, /* ACN 10, sqrt(7) */
-        2.645751311f, /* ACN 11, sqrt(7) */
-        2.645751311f, /* ACN 12, sqrt(7) */
-        2.645751311f, /* ACN 13, sqrt(7) */
-        2.645751311f, /* ACN 14, sqrt(7) */
-        2.645751311f, /* ACN 15, sqrt(7) */
-    }};
-    static constexpr std::array<float,MaxAmbiChannels> FromFuMa{{
-        1.414213562f, /* ACN  0 (W), sqrt(2) */
-        1.732050808f, /* ACN  1 (Y), sqrt(3) */
-        1.732050808f, /* ACN  2 (Z), sqrt(3) */
-        1.732050808f, /* ACN  3 (X), sqrt(3) */
-        1.936491673f, /* ACN  4 (V), sqrt(15)/2 */
-        1.936491673f, /* ACN  5 (T), sqrt(15)/2 */
-        2.236067978f, /* ACN  6 (R), sqrt(5) */
-        1.936491673f, /* ACN  7 (S), sqrt(15)/2 */
-        1.936491673f, /* ACN  8 (U), sqrt(15)/2 */
-        2.091650066f, /* ACN  9 (Q), sqrt(35/8) */
-        1.972026594f, /* ACN 10 (O), sqrt(35)/3 */
-        2.231093404f, /* ACN 11 (M), sqrt(224/45) */
-        2.645751311f, /* ACN 12 (K), sqrt(7) */
-        2.231093404f, /* ACN 13 (L), sqrt(224/45) */
-        1.972026594f, /* ACN 14 (N), sqrt(35)/3 */
-        2.091650066f, /* ACN 15 (P), sqrt(35/8) */
-    }};
-};
-
-struct AmbiIndex {
-    static constexpr std::array<uint8_t,MaxAmbiChannels> FromFuMa{{
-        0,  /* W */
-        3,  /* X */
-        1,  /* Y */
-        2,  /* Z */
-        6,  /* R */
-        7,  /* S */
-        5,  /* T */
-        8,  /* U */
-        4,  /* V */
-        12, /* K */
-        13, /* L */
-        11, /* M */
-        14, /* N */
-        10, /* O */
-        15, /* P */
-        9,  /* Q */
-    }};
-    static constexpr std::array<uint8_t,MaxAmbi2DChannels> FromFuMa2D{{
-        0,  /* W */
-        3,  /* X */
-        1,  /* Y */
-        8,  /* U */
-        4,  /* V */
-        15, /* P */
-        9,  /* Q */
-    }};
-
-    static constexpr std::array<uint8_t,MaxAmbiChannels> FromACN{{
-        0,  1,  2,  3,  4,  5,  6,  7,
-        8,  9, 10, 11, 12, 13, 14, 15
-    }};
-    static constexpr std::array<uint8_t,MaxAmbi2DChannels> From2D{{
-        0, 1,3, 4,8, 9,15
-    }};
-
-    static constexpr std::array<uint8_t,MaxAmbiChannels> OrderFromChannel{{
-        0, 1,1,1, 2,2,2,2,2, 3,3,3,3,3,3,3,
-    }};
-    static constexpr std::array<uint8_t,MaxAmbi2DChannels> OrderFrom2DChannel{{
-        0, 1,1, 2,2, 3,3,
-    }};
-};
-
-#endif /* AMBIDEFS_H */