118 lines
5.4 KiB
C
118 lines
5.4 KiB
C
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#ifndef __BASIC_OP_H__
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#define __BASIC_OP_H__
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#include "config.h"
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/*___________________________________________________________________________
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| Constants and Globals |
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|___________________________________________________________________________|
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*/
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#define MAX_32 (Word32)0x7fffffffL
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#define MIN_32 (Word32)0x80000000L
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#define MAX_16 (Word16)0x7fff
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#define MIN_16 (Word16)(pj_uint16_t)0x8000
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#define UMAX_32 (UWord32)0xffffffffL
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#define UMIN_32 (UWord32)0x00000000L
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/*___________________________________________________________________________
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| Prototypes for basic arithmetic operators |
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|___________________________________________________________________________|
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*/
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PJ_INLINE(Word16) add (Word16 var1, Word16 var2); /* Short add, 1 */
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PJ_INLINE(Word16) sub (Word16 var1, Word16 var2); /* Short sub, 1 */
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PJ_INLINE(Word16) abs_s (Word16 var1); /* Short abs, 1 */
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LIBG7221_DECL(Word16) shl (Word16 var1, Word16 var2); /* Short shift left, 1 */
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PJ_INLINE(Word16) shl_nocheck(Word16 var1, Word16 var2);
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LIBG7221_DECL(Word16) shr (Word16 var1, Word16 var2); /* Short shift right, 1 */
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PJ_INLINE(Word16) shr_nocheck(Word16 var1, Word16 var2);
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LIBG7221_DECL(Word16) mult (Word16 var1, Word16 var2); /* Short mult, 1 */
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PJ_INLINE(Word32) L_mult (Word16 var1, Word16 var2); /* Long mult, 1 */
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PJ_INLINE(Word16) negate (Word16 var1); /* Short negate, 1 */
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PJ_INLINE(Word16) extract_h (Word32 L_var1); /* Extract high, 1 */
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PJ_INLINE(Word16) extract_l (Word32 L_var1); /* Extract low, 1 */
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PJ_INLINE(Word16) itu_round (Word32 L_var1); /* Round, 1 */
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PJ_INLINE(Word32) L_mac (Word32 L_var3, Word16 var1, Word16 var2); /* Mac, 1 */
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LIBG7221_DECL(Word32) L_msu (Word32 L_var3, Word16 var1, Word16 var2); /* Msu, 1 */
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LIBG7221_DECL(Word32) L_macNs (Word32 L_var3, Word16 var1, Word16 var2); /* Mac without
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sat, 1 */
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LIBG7221_DECL(Word32) L_msuNs (Word32 L_var3, Word16 var1, Word16 var2); /* Msu without
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sat, 1 */
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//PJ_INLINE(Word32) L_add (Word32 L_var1, Word32 L_var2); /* Long add, 2 */
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PJ_INLINE(Word32) L_sub (Word32 L_var1, Word32 L_var2); /* Long sub, 2 */
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LIBG7221_DECL(Word32) L_add_c (Word32 L_var1, Word32 L_var2); /* Long add with c, 2 */
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LIBG7221_DECL(Word32) L_sub_c (Word32 L_var1, Word32 L_var2); /* Long sub with c, 2 */
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LIBG7221_DECL(Word32) L_negate (Word32 L_var1); /* Long negate, 2 */
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LIBG7221_DECL(Word16) mult_r (Word16 var1, Word16 var2); /* Mult with round, 2 */
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PJ_INLINE(Word32) L_shl (Word32 L_var1, Word16 var2); /* Long shift left, 2 */
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PJ_INLINE(Word32) L_shr (Word32 L_var1, Word16 var2); /* Long shift right, 2*/
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LIBG7221_DECL(Word16) shr_r (Word16 var1, Word16 var2); /* Shift right with
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round, 2 */
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LIBG7221_DECL(Word16) mac_r (Word32 L_var3, Word16 var1, Word16 var2); /* Mac with
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rounding,2 */
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LIBG7221_DECL(Word16) msu_r (Word32 L_var3, Word16 var1, Word16 var2); /* Msu with
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rounding,2 */
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LIBG7221_DECL(Word32) L_deposit_h (Word16 var1); /* 16 bit var1 -> MSB, 2 */
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LIBG7221_DECL(Word32) L_deposit_l (Word16 var1); /* 16 bit var1 -> LSB, 2 */
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LIBG7221_DECL(Word32) L_shr_r (Word32 L_var1, Word16 var2); /* Long shift right with
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round, 3 */
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LIBG7221_DECL(Word32) L_abs (Word32 L_var1); /* Long abs, 3 */
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LIBG7221_DECL(Word32) L_sat (Word32 L_var1); /* Long saturation, 4 */
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LIBG7221_DECL(Word16) norm_s (Word16 var1); /* Short norm, 15 */
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LIBG7221_DECL(Word16) div_s (Word16 var1, Word16 var2); /* Short division, 18 */
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LIBG7221_DECL(Word16) norm_l (Word32 L_var1); /* Long norm, 30 */
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/*
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Additional G.723.1 operators
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*/
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LIBG7221_DECL(Word32) L_mls( Word32, Word16 ) ; /* Weight FFS; currently assigned 1 */
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LIBG7221_DECL(Word16) div_l( Word32, Word16 ) ; /* Weight FFS; currently assigned 1 */
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LIBG7221_DECL(Word16) i_mult(Word16 a, Word16 b); /* Weight FFS; currently assigned 1 */
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/*
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New shiftless operators, not used in G.729/G.723.1
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*/
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LIBG7221_DECL(Word32) L_mult0(Word16 v1, Word16 v2); /* 32-bit Multiply w/o shift 1 */
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LIBG7221_DECL(Word32) L_mac0(Word32 L_v3, Word16 v1, Word16 v2); /* 32-bit Mac w/o shift 1 */
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LIBG7221_DECL(Word32) L_msu0(Word32 L_v3, Word16 v1, Word16 v2); /* 32-bit Msu w/o shift 1 */
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/*
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Additional G.722.1 operators
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*/
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LIBG7221_DECL(UWord32) LU_shl (UWord32 L_var1, Word16 var2);
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LIBG7221_DECL(UWord32) LU_shr (UWord32 L_var1, Word16 var2);
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#define INCLUDE_UNSAFE 0
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/* Local */
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PJ_INLINE(Word16) saturate (Word32 L_var1);
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#if INCLUDE_UNSAFE
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extern Flag g7221_Overflow;
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extern Flag g7221_Carry;
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# define SET_OVERFLOW(n) g7221_Overflow = n
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# define SET_CARRY(n) g7221_Carry = n
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#else
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# define SET_OVERFLOW(n)
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# define SET_CARRY(n)
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# define GET_OVERFLOW() 0
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# define GET_CARRY() 0
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#endif
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#include "basic_op_i.h"
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#if PJMEDIA_LIBG7221_FUNCS_INLINED
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# include "basic_op.c"
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#endif
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#endif /* __BASIC_OP_H__ */
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