media/libopus/silk/macros.h

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  27
  28 #ifndef SILK_MACROS_H
  29 #define SILK_MACROS_H
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include "config.h"
  33 #endif
  34
  35 #include "opus_types.h"
  36 #include "opus_defines.h"
  37 #include "arch.h"
  38
  39 /* This is an OPUS_INLINE header file for general platform. */
  40
  41 /* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
  42 #if OPUS_FAST_INT64
  43 #define silk_SMULWB(a32, b32)            ((opus_int32)(((a32) * (opus_int64)((opus_int16)(b32))) >> 16))
  44 #else
  45 #define silk_SMULWB(a32, b32)            ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16))
  46 #endif
  47
  48 /* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */
  49 #if OPUS_FAST_INT64
  50 #define silk_SMLAWB(a32, b32, c32)       ((opus_int32)((a32) + (((b32) * (opus_int64)((opus_int16)(c32))) >> 16)))
  51 #else
  52 #define silk_SMLAWB(a32, b32, c32)       ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16)))
  53 #endif
  54
  55 /* (a32 * (b32 >> 16)) >> 16 */
  56 #if OPUS_FAST_INT64
  57 #define silk_SMULWT(a32, b32)            ((opus_int32)(((a32) * (opus_int64)((b32) >> 16)) >> 16))
  58 #else
  59 #define silk_SMULWT(a32, b32)            (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16))
  60 #endif
  61
  62 /* a32 + (b32 * (c32 >> 16)) >> 16 */
  63 #if OPUS_FAST_INT64
  64 #define silk_SMLAWT(a32, b32, c32)       ((opus_int32)((a32) + (((b32) * ((opus_int64)(c32) >> 16)) >> 16)))
  65 #else
  66 #define silk_SMLAWT(a32, b32, c32)       ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16))
  67 #endif
  68
  69 /* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */
  70 #define silk_SMULBB(a32, b32)            ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32)))
  71
  72 /* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */
  73 #define silk_SMLABB(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32)))
  74
  75 /* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */
  76 #define silk_SMULBT(a32, b32)            ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16))
  77
  78 /* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */
  79 #define silk_SMLABT(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16))
  80
  81 /* a64 + (b32 * c32) */
  82 #define silk_SMLAL(a64, b32, c32)        (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32))))
  83
  84 /* (a32 * b32) >> 16 */
  85 #if OPUS_FAST_INT64
  86 #define silk_SMULWW(a32, b32)            ((opus_int32)(((opus_int64)(a32) * (b32)) >> 16))
  87 #else
  88 #define silk_SMULWW(a32, b32)            silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16))
  89 #endif
  90
  91 /* a32 + ((b32 * c32) >> 16) */
  92 #if OPUS_FAST_INT64
  93 #define silk_SMLAWW(a32, b32, c32)       ((opus_int32)((a32) + (((opus_int64)(b32) * (c32)) >> 16)))
  94 #else
  95 #define silk_SMLAWW(a32, b32, c32)       silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16))
  96 #endif
  97
  98 /* add/subtract with output saturated */
  99 #define silk_ADD_SAT32(a, b)             ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ?                              \
 100                                         ((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) :   \
 101                                         ((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) )
 102
 103 #define silk_SUB_SAT32(a, b)             ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ?                                        \
 104                                         (( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) :    \
 105                                         ((((a)^0x80000000) & (b)  & 0x80000000) ? silk_int32_MAX : (a)-(b)) )
 106
 107 #if defined(MIPSr1_ASM)
 108 #include "mips/macros_mipsr1.h"
 109 #endif
 110
 111 #include "ecintrin.h"
 112 #ifndef OVERRIDE_silk_CLZ16
 113 static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16)
 114 {
 115     return 32 - EC_ILOG(in16<<16|0x8000);
 116 }
 117 #endif
 118
 119 #ifndef OVERRIDE_silk_CLZ32
 120 static OPUS_INLINE opus_int32 silk_CLZ32(opus_int32 in32)
 121 {
 122     return in32 ? 32 - EC_ILOG(in32) : 32;
 123 }
 124 #endif
 125
 126 /* Row based */
 127 #define matrix_ptr(Matrix_base_adr, row, column, N) \
 128     (*((Matrix_base_adr) + ((row)*(N)+(column))))
 129 #define matrix_adr(Matrix_base_adr, row, column, N) \
 130       ((Matrix_base_adr) + ((row)*(N)+(column)))
 131
 132 /* Column based */
 133 #ifndef matrix_c_ptr
 134 #   define matrix_c_ptr(Matrix_base_adr, row, column, M) \
 135     (*((Matrix_base_adr) + ((row)+(M)*(column))))
 136 #endif
 137
 138 #ifdef OPUS_ARM_INLINE_ASM
 139 #include "arm/macros_armv4.h"
 140 #endif
 141
 142 #ifdef OPUS_ARM_INLINE_EDSP
 143 #include "arm/macros_armv5e.h"
 144 #endif
 145
 146 #ifdef OPUS_ARM_PRESUME_AARCH64_NEON_INTR
 147 #include "arm/macros_arm64.h"
 148 #endif
 149
 150 #endif /* SILK_MACROS_H */
 151