Fixed-point operations with debugging. More...

#include <stdio.h>
#include "opus_defines.h"

Macros
#define	MULT16_16SU(a, b) ((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))

#define	MULT32_32_Q31(a, b) ADD32(ADD32(SHL32(MULT16_16(SHR32((a),16),SHR((b),16)),1), SHR32(MULT16_16SU(SHR32((a),16),((b)&0x0000ffff)),15)), SHR32(MULT16_16SU(SHR32((b),16),((a)&0x0000ffff)),15))

#define	MULT16_32_Q16(a, b) ADD32(MULT16_16((a),SHR32((b),16)), SHR32(MULT16_16SU((a),((b)&0x0000ffff)),16))

#define	MULT16_32_P16(a, b) MULT16_32_PX(a,b,16)

#define	QCONST16(x, bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))

#define	QCONST32(x, bits) ((opus_val32)(.5+(x)*(((opus_val32)1)<<(bits))))

#define	VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)

#define	VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)

#define	VERIFY_UINT(x) ((x)<=(2147483647LLU<<1))

#define	SHR(a, b) SHR32(a,b)

#define	PSHR(a, b) PSHR32(a,b)

#define	EXTRACT16(x) EXTRACT16_(x, __FILE__, __LINE__)

#define	EXTEND32(x) EXTEND32_(x, __FILE__, __LINE__)

#define	SHR16(a, shift) SHR16_(a, shift, __FILE__, __LINE__)

#define	SHL16(a, shift) SHL16_(a, shift, __FILE__, __LINE__)

#define	SHL32(a, shift) SHL32_(a, shift, __FILE__, __LINE__)

#define	PSHR32(a, shift) (celt_mips--,SHR32(ADD32((a),(((opus_val32)(1)<<((shift))>>1))),shift))

#define	VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))

#define	ROUND16(x, a) (celt_mips--,EXTRACT16(PSHR32((x),(a))))

#define	HALF16(x) (SHR16(x,1))

#define	HALF32(x) (SHR32(x,1))

#define	ADD16(a, b) ADD16_(a, b, __FILE__, __LINE__)

#define	SUB16(a, b) SUB16_(a, b, __FILE__, __LINE__)

#define	ADD32(a, b) ADD32_(a, b, __FILE__, __LINE__)

#define	SUB32(a, b) SUB32_(a, b, __FILE__, __LINE__)

#define	UADD32(a, b) UADD32_(a, b, __FILE__, __LINE__)

#define	USUB32(a, b) USUB32_(a, b, __FILE__, __LINE__)

#define	MULT16_16(a, b) MULT16_16_(a, b, __FILE__, __LINE__)

#define	MAC16_16(c, a, b) (celt_mips-=2,ADD32((c),MULT16_16((a),(b))))

#define	MULT16_32_QX(a, b, Q) MULT16_32_QX_(a, b, Q, __FILE__, __LINE__)

#define	MULT16_32_PX(a, b, Q) MULT16_32_PX_(a, b, Q, __FILE__, __LINE__)

#define	MULT16_32_Q15(a, b) MULT16_32_QX(a,b,15)

#define	MAC16_32_Q15(c, a, b) (celt_mips-=2,ADD32((c),MULT16_32_Q15((a),(b))))

#define	MAC16_32_Q16(c, a, b) (celt_mips-=2,ADD32((c),MULT16_32_Q16((a),(b))))

#define	MULT16_16_Q15(a, b) MULT16_16_Q15_(a, b, __FILE__, __LINE__)

#define	DIV32_16(a, b) DIV32_16_(a, b, __FILE__, __LINE__)

#define	DIV32(a, b) DIV32_(a, b, __FILE__, __LINE__)

#define	SIG2WORD16(x) (SIG2WORD16_generic(x))

#define	PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);

Variables
opus_int64	celt_mips

Detailed Description

Fixed-point operations with debugging.

Macro Definition Documentation

◆ ADD16

#define ADD16	(	a,
		b
	)	ADD16_(a, b, __FILE__, __LINE__)

◆ ADD32

#define ADD32	(	a,
		b
	)	ADD32_(a, b, __FILE__, __LINE__)

◆ DIV32

#define DIV32	(	a,
		b
	)	DIV32_(a, b, __FILE__, __LINE__)

◆ DIV32_16

#define DIV32_16	(	a,
		b
	)	DIV32_16_(a, b, __FILE__, __LINE__)

◆ EXTEND32

#define EXTEND32 ( x ) EXTEND32_(x, __FILE__, __LINE__)

◆ EXTRACT16

#define EXTRACT16 ( x ) EXTRACT16_(x, __FILE__, __LINE__)

◆ HALF16

#define HALF16 ( x ) (SHR16(x,1))

◆ HALF32

#define HALF32 ( x ) (SHR32(x,1))

◆ MAC16_16

#define MAC16_16	(	c,
		a,
		b
	)	(celt_mips-=2,ADD32((c),MULT16_16((a),(b))))

◆ MAC16_32_Q15

#define MAC16_32_Q15	(	c,
		a,
		b
	)	(celt_mips-=2,ADD32((c),MULT16_32_Q15((a),(b))))

◆ MAC16_32_Q16

#define MAC16_32_Q16	(	c,
		a,
		b
	)	(celt_mips-=2,ADD32((c),MULT16_32_Q16((a),(b))))

◆ MULT16_16

#define MULT16_16	(	a,
		b
	)	MULT16_16_(a, b, __FILE__, __LINE__)

◆ MULT16_16_Q15

#define MULT16_16_Q15	(	a,
		b
	)	MULT16_16_Q15_(a, b, __FILE__, __LINE__)

◆ MULT16_16SU

#define MULT16_16SU	(	a,
		b
	)	((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))

◆ MULT16_32_P16

#define MULT16_32_P16	(	a,
		b
	)	MULT16_32_PX(a,b,16)

◆ MULT16_32_PX

#define MULT16_32_PX	(	a,
		b,
		Q
	)	MULT16_32_PX_(a, b, Q, __FILE__, __LINE__)

◆ MULT16_32_Q15

#define MULT16_32_Q15	(	a,
		b
	)	MULT16_32_QX(a,b,15)

◆ MULT16_32_Q16

#define MULT16_32_Q16	(	a,
		b
	)	ADD32(MULT16_16((a),SHR32((b),16)), SHR32(MULT16_16SU((a),((b)&0x0000ffff)),16))

16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits

◆ MULT16_32_QX

#define MULT16_32_QX	(	a,
		b,
		Q
	)	MULT16_32_QX_(a, b, Q, __FILE__, __LINE__)

◆ MULT32_32_Q31

#define MULT32_32_Q31	(	a,
		b
	)	ADD32(ADD32(SHL32(MULT16_16(SHR32((a),16),SHR((b),16)),1), SHR32(MULT16_16SU(SHR32((a),16),((b)&0x0000ffff)),15)), SHR32(MULT16_16SU(SHR32((b),16),((a)&0x0000ffff)),15))

◆ PRINT_MIPS

#define PRINT_MIPS ( file ) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);

◆ PSHR

#define PSHR	(	a,
		b
	)	PSHR32(a,b)

◆ PSHR32

#define PSHR32	(	a,
		shift
	)	(celt_mips--,SHR32(ADD32((a),(((opus_val32)(1)<<((shift))>>1))),shift))

◆ QCONST16

#define QCONST16	(	x,
		bits
	)	((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))

◆ QCONST32

#define QCONST32	(	x,
		bits
	)	((opus_val32)(.5+(x)*(((opus_val32)1)<<(bits))))

◆ ROUND16

#define ROUND16	(	x,
		a
	)	(celt_mips--,EXTRACT16(PSHR32((x),(a))))

◆ SHL16

#define SHL16	(	a,
		shift
	)	SHL16_(a, shift, __FILE__, __LINE__)

◆ SHL32

#define SHL32	(	a,
		shift
	)	SHL32_(a, shift, __FILE__, __LINE__)

◆ SHR

#define SHR	(	a,
		b
	)	SHR32(a,b)

◆ SHR16

#define SHR16	(	a,
		shift
	)	SHR16_(a, shift, __FILE__, __LINE__)

◆ SIG2WORD16

#define SIG2WORD16 ( x ) (SIG2WORD16_generic(x))

◆ SUB16

#define SUB16	(	a,
		b
	)	SUB16_(a, b, __FILE__, __LINE__)

◆ SUB32

#define SUB32	(	a,
		b
	)	SUB32_(a, b, __FILE__, __LINE__)

◆ UADD32

#define UADD32	(	a,
		b
	)	UADD32_(a, b, __FILE__, __LINE__)

◆ USUB32

#define USUB32	(	a,
		b
	)	USUB32_(a, b, __FILE__, __LINE__)

◆ VERIFY_INT

#define VERIFY_INT ( x ) ((x)<=2147483647LL&&(x)>=-2147483648LL)

◆ VERIFY_SHORT

#define VERIFY_SHORT ( x ) ((x)<=32767&&(x)>=-32768)

◆ VERIFY_UINT

#define VERIFY_UINT ( x ) ((x)<=(2147483647LLU<<1))

◆ VSHR32

#define VSHR32	(	a,
		shift
	)	(((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))

Variable Documentation

◆ celt_mips

opus_int64 celt_mips

Macros

Variables