Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | #ifndef __BASIC_OP_H__ |
| 2 | #define __BASIC_OP_H__ |
| 3 | |
| 4 | #include "config.h" |
| 5 | |
| 6 | /*___________________________________________________________________________ |
| 7 | | | |
| 8 | | Constants and Globals | |
| 9 | |___________________________________________________________________________| |
| 10 | */ |
| 11 | |
| 12 | #define MAX_32 (Word32)0x7fffffffL |
| 13 | #define MIN_32 (Word32)0x80000000L |
| 14 | |
| 15 | #define MAX_16 (Word16)0x7fff |
| 16 | #define MIN_16 (Word16)(pj_uint16_t)0x8000 |
| 17 | |
| 18 | #define UMAX_32 (UWord32)0xffffffffL |
| 19 | #define UMIN_32 (UWord32)0x00000000L |
| 20 | |
| 21 | /*___________________________________________________________________________ |
| 22 | | | |
| 23 | | Prototypes for basic arithmetic operators | |
| 24 | |___________________________________________________________________________| |
| 25 | */ |
| 26 | |
| 27 | PJ_INLINE(Word16) add (Word16 var1, Word16 var2); /* Short add, 1 */ |
| 28 | PJ_INLINE(Word16) sub (Word16 var1, Word16 var2); /* Short sub, 1 */ |
| 29 | PJ_INLINE(Word16) abs_s (Word16 var1); /* Short abs, 1 */ |
| 30 | LIBG7221_DECL(Word16) shl (Word16 var1, Word16 var2); /* Short shift left, 1 */ |
| 31 | PJ_INLINE(Word16) shl_nocheck(Word16 var1, Word16 var2); |
| 32 | LIBG7221_DECL(Word16) shr (Word16 var1, Word16 var2); /* Short shift right, 1 */ |
| 33 | PJ_INLINE(Word16) shr_nocheck(Word16 var1, Word16 var2); |
| 34 | LIBG7221_DECL(Word16) mult (Word16 var1, Word16 var2); /* Short mult, 1 */ |
| 35 | PJ_INLINE(Word32) L_mult (Word16 var1, Word16 var2); /* Long mult, 1 */ |
| 36 | PJ_INLINE(Word16) negate (Word16 var1); /* Short negate, 1 */ |
| 37 | PJ_INLINE(Word16) extract_h (Word32 L_var1); /* Extract high, 1 */ |
| 38 | PJ_INLINE(Word16) extract_l (Word32 L_var1); /* Extract low, 1 */ |
| 39 | PJ_INLINE(Word16) itu_round (Word32 L_var1); /* Round, 1 */ |
| 40 | PJ_INLINE(Word32) L_mac (Word32 L_var3, Word16 var1, Word16 var2); /* Mac, 1 */ |
| 41 | LIBG7221_DECL(Word32) L_msu (Word32 L_var3, Word16 var1, Word16 var2); /* Msu, 1 */ |
| 42 | LIBG7221_DECL(Word32) L_macNs (Word32 L_var3, Word16 var1, Word16 var2); /* Mac without |
| 43 | sat, 1 */ |
| 44 | LIBG7221_DECL(Word32) L_msuNs (Word32 L_var3, Word16 var1, Word16 var2); /* Msu without |
| 45 | sat, 1 */ |
| 46 | //PJ_INLINE(Word32) L_add (Word32 L_var1, Word32 L_var2); /* Long add, 2 */ |
| 47 | PJ_INLINE(Word32) L_sub (Word32 L_var1, Word32 L_var2); /* Long sub, 2 */ |
| 48 | LIBG7221_DECL(Word32) L_add_c (Word32 L_var1, Word32 L_var2); /* Long add with c, 2 */ |
| 49 | LIBG7221_DECL(Word32) L_sub_c (Word32 L_var1, Word32 L_var2); /* Long sub with c, 2 */ |
| 50 | LIBG7221_DECL(Word32) L_negate (Word32 L_var1); /* Long negate, 2 */ |
| 51 | LIBG7221_DECL(Word16) mult_r (Word16 var1, Word16 var2); /* Mult with round, 2 */ |
| 52 | PJ_INLINE(Word32) L_shl (Word32 L_var1, Word16 var2); /* Long shift left, 2 */ |
| 53 | PJ_INLINE(Word32) L_shr (Word32 L_var1, Word16 var2); /* Long shift right, 2*/ |
| 54 | LIBG7221_DECL(Word16) shr_r (Word16 var1, Word16 var2); /* Shift right with |
| 55 | round, 2 */ |
| 56 | LIBG7221_DECL(Word16) mac_r (Word32 L_var3, Word16 var1, Word16 var2); /* Mac with |
| 57 | rounding,2 */ |
| 58 | LIBG7221_DECL(Word16) msu_r (Word32 L_var3, Word16 var1, Word16 var2); /* Msu with |
| 59 | rounding,2 */ |
| 60 | LIBG7221_DECL(Word32) L_deposit_h (Word16 var1); /* 16 bit var1 -> MSB, 2 */ |
| 61 | LIBG7221_DECL(Word32) L_deposit_l (Word16 var1); /* 16 bit var1 -> LSB, 2 */ |
| 62 | |
| 63 | LIBG7221_DECL(Word32) L_shr_r (Word32 L_var1, Word16 var2); /* Long shift right with |
| 64 | round, 3 */ |
| 65 | LIBG7221_DECL(Word32) L_abs (Word32 L_var1); /* Long abs, 3 */ |
| 66 | LIBG7221_DECL(Word32) L_sat (Word32 L_var1); /* Long saturation, 4 */ |
| 67 | LIBG7221_DECL(Word16) norm_s (Word16 var1); /* Short norm, 15 */ |
| 68 | LIBG7221_DECL(Word16) div_s (Word16 var1, Word16 var2); /* Short division, 18 */ |
| 69 | LIBG7221_DECL(Word16) norm_l (Word32 L_var1); /* Long norm, 30 */ |
| 70 | |
| 71 | /* |
| 72 | Additional G.723.1 operators |
| 73 | */ |
| 74 | LIBG7221_DECL(Word32) L_mls( Word32, Word16 ) ; /* Weight FFS; currently assigned 1 */ |
| 75 | LIBG7221_DECL(Word16) div_l( Word32, Word16 ) ; /* Weight FFS; currently assigned 1 */ |
| 76 | LIBG7221_DECL(Word16) i_mult(Word16 a, Word16 b); /* Weight FFS; currently assigned 1 */ |
| 77 | |
| 78 | /* |
| 79 | New shiftless operators, not used in G.729/G.723.1 |
| 80 | */ |
| 81 | LIBG7221_DECL(Word32) L_mult0(Word16 v1, Word16 v2); /* 32-bit Multiply w/o shift 1 */ |
| 82 | LIBG7221_DECL(Word32) L_mac0(Word32 L_v3, Word16 v1, Word16 v2); /* 32-bit Mac w/o shift 1 */ |
| 83 | LIBG7221_DECL(Word32) L_msu0(Word32 L_v3, Word16 v1, Word16 v2); /* 32-bit Msu w/o shift 1 */ |
| 84 | |
| 85 | /* |
| 86 | Additional G.722.1 operators |
| 87 | */ |
| 88 | LIBG7221_DECL(UWord32) LU_shl (UWord32 L_var1, Word16 var2); |
| 89 | LIBG7221_DECL(UWord32) LU_shr (UWord32 L_var1, Word16 var2); |
| 90 | |
| 91 | #define INCLUDE_UNSAFE 0 |
| 92 | |
| 93 | /* Local */ |
| 94 | PJ_INLINE(Word16) saturate (Word32 L_var1); |
| 95 | |
| 96 | #if INCLUDE_UNSAFE |
| 97 | extern Flag g7221_Overflow; |
| 98 | extern Flag g7221_Carry; |
| 99 | # define SET_OVERFLOW(n) g7221_Overflow = n |
| 100 | # define SET_CARRY(n) g7221_Carry = n |
| 101 | |
| 102 | #else |
| 103 | # define SET_OVERFLOW(n) |
| 104 | # define SET_CARRY(n) |
| 105 | # define GET_OVERFLOW() 0 |
| 106 | # define GET_CARRY() 0 |
| 107 | #endif |
| 108 | |
| 109 | #include "basic_op_i.h" |
| 110 | |
| 111 | #if PJMEDIA_LIBG7221_FUNCS_INLINED |
| 112 | # include "basic_op.c" |
| 113 | #endif |
| 114 | |
| 115 | #endif /* __BASIC_OP_H__ */ |
| 116 | |
| 117 | |