SpeexDSP resampler

This commit is contained in:
Johannes Schriewer 2024-02-28 21:25:27 +01:00
parent 1c559edec8
commit 9570dddac3
14 changed files with 2648 additions and 0 deletions

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Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
All the code except the following
David Rowe <david@rowetel.com>
lsp.c lsp.h
Also ideas and feedback
John Francis Edwards
wave_out.[ch], some #ifdefs for windows port and MSVC project files
Segher Boessenkool
Misc. optimizations (for QMF in particular)
Atsuhiko Yamanaka <ymnk@jcraft.com>:
Patch to speexenc.c to add Vorbis comment format
Radim Kolar <hsn@cybermail.net>:
Patch to speexenc.c for supporting more input formats

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Copyright 2002-2008 Xiph.org Foundation
Copyright 2002-2008 Jean-Marc Valin
Copyright 2005-2007 Analog Devices Inc.
Copyright 2005-2008 Commonwealth Scientific and Industrial Research
Organisation (CSIRO)
Copyright 1993, 2002, 2006 David Rowe
Copyright 2003 EpicGames
Copyright 1992-1994 Jutta Degener, Carsten Bormann
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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# SpeexDSP Resampler
This code was lifted from `speexdsp-1.2.1` and modified to be as small as possible.
Only the fixed point API remains, all external dependencies to other files from
speexdsp have been included so this just contains the resampler.

101
audio/deps/resampler/arch.h Normal file
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/* Copyright (C) 2003 Jean-Marc Valin */
/**
@file arch.h
@brief Various architecture definitions Speex
*/
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCH_H
#define ARCH_H
/* A couple test to catch stupid option combinations */
#if defined(ARM4_ASM) + defined(ARM5E_ASM) + defined(BFIN_ASM) > 1
#error Make up your mind. What CPU do you have?
#endif
#include "speexdsp_types.h"
#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */
#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */
#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */
#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */
#define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */
#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
typedef spx_int16_t spx_word16_t;
typedef spx_int32_t spx_word32_t;
typedef spx_word32_t spx_mem_t;
typedef spx_word16_t spx_coef_t;
typedef spx_word16_t spx_lsp_t;
typedef spx_word32_t spx_sig_t;
#define Q15ONE 32767
#define LPC_SCALING 8192
#define SIG_SCALING 16384
#define LSP_SCALING 8192.
#define GAMMA_SCALING 32768.
#define GAIN_SCALING 64
#define GAIN_SCALING_1 0.015625
#define LPC_SHIFT 13
#define LSP_SHIFT 13
#define SIG_SHIFT 14
#define GAIN_SHIFT 6
#define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x)))
#define VERY_SMALL 0
#define VERY_LARGE32 ((spx_word32_t)2147483647)
#define VERY_LARGE16 ((spx_word16_t)32767)
#define Q15_ONE ((spx_word16_t)32767)
#ifdef FIXED_DEBUG
# include "fixed_debug.h"
#else
# include "fixed_generic.h"
# ifdef ARM5E_ASM
# include "fixed_arm5e.h"
# elif defined(ARM4_ASM)
# include "fixed_arm4.h"
# endif
#endif
#ifdef FIXED_DEBUG
extern long long spx_mips;
#endif
#endif /* ARCH_H */

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/* Make use of ARM4 assembly optimizations */
/* #undef ARM4_ASM */
/* Make use of ARM5E assembly optimizations */
/* #undef ARM5E_ASM */
/* Enable NEON support */
#define USE_NEON /**/
/* Symbol visibility prefix */
#define EXPORT __attribute__((visibility("default")))
/* Debug fixed-point implementation */
/* #undef FIXED_DEBUG */
/* Use C99 variable-size arrays */
#define VAR_ARRAYS /**/

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/* Copyright (C) 2004 Jean-Marc Valin */
/**
@file fixed_arm4.h
@brief ARM4 fixed-point operations
*/
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FIXED_ARM4_H
#define FIXED_ARM4_H
#undef MULT16_32_Q15
static inline spx_word32_t MULT16_32_Q15(spx_word16_t x, spx_word32_t y) {
int res;
int dummy;
__asm__ (
"smull %0,%1,%2,%3 \n\t"
"mov %0, %0, lsr #15 \n\t"
"add %0, %0, %1, lsl #17 \n\t"
: "=&r"(res), "=&r" (dummy)
: "r"(y),"r"((int)x));
return(res);
}
#undef DIV32_16
static inline short DIV32_16(int a, int b)
{
int res=0;
int dead1, dead2, dead3, dead4, dead5;
__asm__ __volatile__ (
"\teor %5, %0, %1\n"
"\tmovs %4, %0\n"
"\trsbmi %0, %0, #0 \n"
"\tmovs %4, %1\n"
"\trsbmi %1, %1, #0 \n"
"\tmov %4, #1\n"
"\tsubs %3, %0, %1, asl #14 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #14 \n"
"\tsubs %3, %0, %1, asl #13 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #13 \n"
"\tsubs %3, %0, %1, asl #12 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #12 \n"
"\tsubs %3, %0, %1, asl #11 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #11 \n"
"\tsubs %3, %0, %1, asl #10 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #10 \n"
"\tsubs %3, %0, %1, asl #9 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #9 \n"
"\tsubs %3, %0, %1, asl #8 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #8 \n"
"\tsubs %3, %0, %1, asl #7 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #7 \n"
"\tsubs %3, %0, %1, asl #6 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #6 \n"
"\tsubs %3, %0, %1, asl #5 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #5 \n"
"\tsubs %3, %0, %1, asl #4 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #4 \n"
"\tsubs %3, %0, %1, asl #3 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #3 \n"
"\tsubs %3, %0, %1, asl #2 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #2 \n"
"\tsubs %3, %0, %1, asl #1 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4, asl #1 \n"
"\tsubs %3, %0, %1 \n"
"\tmovpl %0, %3 \n"
"\torrpl %2, %2, %4 \n"
"\tmovs %5, %5, lsr #31 \n"
"\trsbne %2, %2, #0 \n"
: "=r" (dead1), "=r" (dead2), "=r" (res),
"=r" (dead3), "=r" (dead4), "=r" (dead5)
: "0" (a), "1" (b), "2" (res)
: "cc"
);
return res;
}
#endif

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/* Copyright (C) 2003 Jean-Marc Valin */
/**
@file fixed_arm5e.h
@brief ARM-tuned fixed-point operations
*/
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FIXED_ARM5E_H
#define FIXED_ARM5E_H
#undef MULT16_16
static inline spx_word32_t MULT16_16(spx_word16_t x, spx_word16_t y) {
int res;
__asm__ ("smulbb %0,%1,%2;\n"
: "=&r"(res)
: "%r"(x),"r"(y));
return(res);
}
#undef MAC16_16
static inline spx_word32_t MAC16_16(spx_word32_t a, spx_word16_t x, spx_word32_t y) {
int res;
__asm__ ("smlabb %0,%1,%2,%3;\n"
: "=&r"(res)
: "%r"(x),"r"(y),"r"(a));
return(res);
}
#undef MULT16_32_Q15
static inline spx_word32_t MULT16_32_Q15(spx_word16_t x, spx_word32_t y) {
int res;
__asm__ ("smulwb %0,%1,%2;\n"
: "=&r"(res)
: "%r"(y<<1),"r"(x));
return(res);
}
#undef MAC16_32_Q15
static inline spx_word32_t MAC16_32_Q15(spx_word32_t a, spx_word16_t x, spx_word32_t y) {
int res;
__asm__ ("smlawb %0,%1,%2,%3;\n"
: "=&r"(res)
: "%r"(y<<1),"r"(x),"r"(a));
return(res);
}
#undef DIV32_16
static inline short DIV32_16(int a, int b)
{
int res=0;
int dead1, dead2, dead3, dead4, dead5;
__asm__ __volatile__ (
"\teor %5, %0, %1\n"
"\tmovs %4, %0\n"
"\trsbmi %0, %0, #0 \n"
"\tmovs %4, %1\n"
"\trsbmi %1, %1, #0 \n"
"\tmov %4, #1\n"
"\tsubs %3, %0, %1, asl #14 \n"
"\torrpl %2, %2, %4, asl #14 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #13 \n"
"\torrpl %2, %2, %4, asl #13 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #12 \n"
"\torrpl %2, %2, %4, asl #12 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #11 \n"
"\torrpl %2, %2, %4, asl #11 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #10 \n"
"\torrpl %2, %2, %4, asl #10 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #9 \n"
"\torrpl %2, %2, %4, asl #9 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #8 \n"
"\torrpl %2, %2, %4, asl #8 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #7 \n"
"\torrpl %2, %2, %4, asl #7 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #6 \n"
"\torrpl %2, %2, %4, asl #6 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #5 \n"
"\torrpl %2, %2, %4, asl #5 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #4 \n"
"\torrpl %2, %2, %4, asl #4 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #3 \n"
"\torrpl %2, %2, %4, asl #3 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #2 \n"
"\torrpl %2, %2, %4, asl #2 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1, asl #1 \n"
"\torrpl %2, %2, %4, asl #1 \n"
"\tmovpl %0, %3 \n"
"\tsubs %3, %0, %1 \n"
"\torrpl %2, %2, %4 \n"
"\tmovpl %0, %3 \n"
"\tmovs %5, %5, lsr #31 \n"
"\trsbne %2, %2, #0 \n"
: "=r" (dead1), "=r" (dead2), "=r" (res),
"=r" (dead3), "=r" (dead4), "=r" (dead5)
: "0" (a), "1" (b), "2" (res)
: "memory", "cc"
);
return res;
}
#endif

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/* Copyright (C) 2003 Jean-Marc Valin */
/**
@file fixed_debug.h
@brief Fixed-point operations with debugging
*/
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FIXED_DEBUG_H
#define FIXED_DEBUG_H
#include <stdio.h>
extern long long spx_mips;
#define MIPS_INC spx_mips++,
#define QCONST16(x,bits) ((spx_word16_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
#define QCONST32(x,bits) ((spx_word32_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
#define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
#define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
static inline short NEG16(int x)
{
int res;
if (!VERIFY_SHORT(x))
{
fprintf (stderr, "NEG16: input is not short: %d\n", (int)x);
}
res = -x;
if (!VERIFY_SHORT(res))
fprintf (stderr, "NEG16: output is not short: %d\n", (int)res);
spx_mips++;
return res;
}
static inline int NEG32(long long x)
{
long long res;
if (!VERIFY_INT(x))
{
fprintf (stderr, "NEG16: input is not int: %d\n", (int)x);
}
res = -x;
if (!VERIFY_INT(res))
fprintf (stderr, "NEG16: output is not int: %d\n", (int)res);
spx_mips++;
return res;
}
#define EXTRACT16(x) _EXTRACT16(x, __FILE__, __LINE__)
static inline short _EXTRACT16(int x, char *file, int line)
{
int res;
if (!VERIFY_SHORT(x))
{
fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line);
}
res = x;
spx_mips++;
return res;
}
#define EXTEND32(x) _EXTEND32(x, __FILE__, __LINE__)
static inline int _EXTEND32(int x, char *file, int line)
{
int res;
if (!VERIFY_SHORT(x))
{
fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line);
}
res = x;
spx_mips++;
return res;
}
#define SHR16(a, shift) _SHR16(a, shift, __FILE__, __LINE__)
static inline short _SHR16(int a, int shift, char *file, int line)
{
int res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
{
fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line);
}
res = a>>shift;
if (!VERIFY_SHORT(res))
fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line);
spx_mips++;
return res;
}
#define SHL16(a, shift) _SHL16(a, shift, __FILE__, __LINE__)
static inline short _SHL16(int a, int shift, char *file, int line)
{
int res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift))
{
fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line);
}
res = a<<shift;
if (!VERIFY_SHORT(res))
fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line);
spx_mips++;
return res;
}
static inline int SHR32(long long a, int shift)
{
long long res;
if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
{
fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift);
}
res = a>>shift;
if (!VERIFY_INT(res))
{
fprintf (stderr, "SHR32: output is not int: %d\n", (int)res);
}
spx_mips++;
return res;
}
static inline int SHL32(long long a, int shift)
{
long long res;
if (!VERIFY_INT(a) || !VERIFY_SHORT(shift))
{
fprintf (stderr, "SHL32: inputs are not int: %d %d\n", (int)a, shift);
}
res = a<<shift;
if (!VERIFY_INT(res))
{
fprintf (stderr, "SHL32: output is not int: %d\n", (int)res);
}
spx_mips++;
return res;
}
#define PSHR16(a,shift) (SHR16(ADD16((a),((1<<((shift))>>1))),shift))
#define PSHR32(a,shift) (SHR32(ADD32((a),((EXTEND32(1)<<((shift))>>1))),shift))
#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
#define SATURATE16(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
#define SATURATE32(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
//#define SHR(a,shift) ((a) >> (shift))
//#define SHL(a,shift) ((a) << (shift))
#define ADD16(a, b) _ADD16(a, b, __FILE__, __LINE__)
static inline short _ADD16(int a, int b, char *file, int line)
{
int res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
}
res = a+b;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line);
}
spx_mips++;
return res;
}
#define SUB16(a, b) _SUB16(a, b, __FILE__, __LINE__)
static inline short _SUB16(int a, int b, char *file, int line)
{
int res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
}
res = a-b;
if (!VERIFY_SHORT(res))
fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line);
spx_mips++;
return res;
}
#define ADD32(a, b) _ADD32(a, b, __FILE__, __LINE__)
static inline int _ADD32(long long a, long long b, char *file, int line)
{
long long res;
if (!VERIFY_INT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
}
res = a+b;
if (!VERIFY_INT(res))
{
fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line);
}
spx_mips++;
return res;
}
static inline int SUB32(long long a, long long b)
{
long long res;
if (!VERIFY_INT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "SUB32: inputs are not int: %d %d\n", (int)a, (int)b);
}
res = a-b;
if (!VERIFY_INT(res))
fprintf (stderr, "SUB32: output is not int: %d\n", (int)res);
spx_mips++;
return res;
}
#define ADD64(a,b) (MIPS_INC(a)+(b))
/* result fits in 16 bits */
static inline short MULT16_16_16(int a, int b)
{
int res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b);
}
res = a*b;
if (!VERIFY_SHORT(res))
fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res);
spx_mips++;
return res;
}
/* result fits in 32 bits */
static inline int MULT16_32_32(int a, long long b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "MULT16_32_32: inputs are not short+int: %d %d\n", a, (int)b);
}
res = a*b;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_32_32: output is not int: %d\n", (int)res);
spx_mips++;
return res;
}
#define MULT16_16(a, b) _MULT16_16(a, b, __FILE__, __LINE__)
static inline int _MULT16_16(int a, int b, char *file, int line)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
}
res = ((long long)a)*b;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line);
spx_mips++;
return res;
}
#define MAC16_16(c,a,b) (spx_mips--,ADD32((c),MULT16_16((a),(b))))
#define MAC16_16_Q11(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),11)))))
#define MAC16_16_Q13(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),13)))))
#define MAC16_16_P13(c,a,b) (EXTRACT16(ADD32((c),SHR32(ADD32(4096,MULT16_16((a),(b))),13))))
#define MULT16_32_QX(a, b, Q) _MULT16_32_QX(a, b, Q, __FILE__, __LINE__)
static inline int _MULT16_32_QX(int a, long long b, int Q, char *file, int line)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "MULT16_32_Q%d: inputs are not short+int: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
}
if (ABS(b)>>(16+Q))
fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);
res = (((long long)a)*(long long)b) >> Q;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_32_Q%d: output is not int: %d*%d=%d in %s: line %d\n", Q, (int)a, (int)b,(int)res, file, line);
spx_mips+=5;
return res;
}
static inline int MULT16_32_PX(int a, long long b, int Q)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "MULT16_32_P%d: inputs are not short+int: %d %d\n", Q, (int)a, (int)b);
}
if (ABS(b)>>(16+Q))
fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d\n", Q, (int)a, (int)b);
res = ((((long long)a)*(long long)b) + ((EXTEND32(1)<<Q)>>1))>> Q;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_32_P%d: output is not int: %d*%d=%d\n", Q, (int)a, (int)b,(int)res);
spx_mips+=5;
return res;
}
#define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
#define MULT16_32_P15(a,b) MULT16_32_PX(a,b,15)
#define MAC16_32_Q15(c,a,b) ADD32((c),MULT16_32_Q15((a),(b)))
static inline int SATURATE(int a, int b)
{
if (a>b)
a=b;
if (a<-b)
a = -b;
return a;
}
static inline int MULT16_16_Q11_32(int a, int b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b);
}
res = ((long long)a)*b;
res >>= 11;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_16_Q11: output is not short: %d*%d=%d\n", (int)a, (int)b, (int)res);
spx_mips+=3;
return res;
}
static inline short MULT16_16_Q13(int a, int b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b);
}
res = ((long long)a)*b;
res >>= 13;
if (!VERIFY_SHORT(res))
fprintf (stderr, "MULT16_16_Q13: output is not short: %d*%d=%d\n", a, b, (int)res);
spx_mips+=3;
return res;
}
static inline short MULT16_16_Q14(int a, int b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b);
}
res = ((long long)a)*b;
res >>= 14;
if (!VERIFY_SHORT(res))
fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res);
spx_mips+=3;
return res;
}
static inline short MULT16_16_Q15(int a, int b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d\n", a, b);
}
res = ((long long)a)*b;
res >>= 15;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_Q15: output is not short: %d\n", (int)res);
}
spx_mips+=3;
return res;
}
static inline short MULT16_16_P13(int a, int b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b);
}
res = ((long long)a)*b;
res += 4096;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res);
res >>= 13;
if (!VERIFY_SHORT(res))
fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res);
spx_mips+=4;
return res;
}
static inline short MULT16_16_P14(int a, int b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b);
}
res = ((long long)a)*b;
res += 8192;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res);
res >>= 14;
if (!VERIFY_SHORT(res))
fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res);
spx_mips+=4;
return res;
}
static inline short MULT16_16_P15(int a, int b)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b);
}
res = ((long long)a)*b;
res += 16384;
if (!VERIFY_INT(res))
fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res);
res >>= 15;
if (!VERIFY_SHORT(res))
fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res);
spx_mips+=4;
return res;
}
#define DIV32_16(a, b) _DIV32_16(a, b, __FILE__, __LINE__)
static inline int _DIV32_16(long long a, long long b, char *file, int line)
{
long long res;
if (b==0)
{
fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
return 0;
}
if (!VERIFY_INT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "DIV32_16: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
}
res = a/b;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "DIV32_16: output is not short: %d / %d = %d in %s: line %d\n", (int)a,(int)b,(int)res, file, line);
if (res>32767)
res = 32767;
if (res<-32768)
res = -32768;
}
spx_mips+=20;
return res;
}
#define DIV32(a, b) _DIV32(a, b, __FILE__, __LINE__)
static inline int _DIV32(long long a, long long b, char *file, int line)
{
long long res;
if (b==0)
{
fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line);
return 0;
}
if (!VERIFY_INT(a) || !VERIFY_INT(b))
{
fprintf (stderr, "DIV32: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line);
}
res = a/b;
if (!VERIFY_INT(res))
fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line);
spx_mips+=36;
return res;
}
#define PDIV32(a,b) DIV32(ADD32((a),(b)>>1),b)
#define PDIV32_16(a,b) DIV32_16(ADD32((a),(b)>>1),b)
#endif

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/* Copyright (C) 2003 Jean-Marc Valin */
/**
@file fixed_generic.h
@brief Generic fixed-point operations
*/
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FIXED_GENERIC_H
#define FIXED_GENERIC_H
#define QCONST16(x,bits) ((spx_word16_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
#define QCONST32(x,bits) ((spx_word32_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
#define NEG16(x) (-(x))
#define NEG32(x) (-(x))
#define EXTRACT16(x) ((spx_word16_t)(x))
#define EXTEND32(x) ((spx_word32_t)(x))
#define SHR16(a,shift) ((a) >> (shift))
#define SHL16(a,shift) ((a) << (shift))
#define SHR32(a,shift) ((a) >> (shift))
#define SHL32(a,shift) ((a) << (shift))
#define PSHR16(a,shift) (SHR16((a)+((1<<((shift))>>1)),shift))
#define PSHR32(a,shift) (SHR32((a)+((EXTEND32(1)<<((shift))>>1)),shift))
#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
#define SATURATE16(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
#define SATURATE32(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
#define SATURATE32PSHR(x,shift,a) (((x)>=(SHL32(a,shift))) ? (a) : \
(x)<=-(SHL32(a,shift)) ? -(a) : \
(PSHR32(x, shift)))
#define SHR(a,shift) ((a) >> (shift))
#define SHL(a,shift) ((spx_word32_t)(a) << (shift))
#define PSHR(a,shift) (SHR((a)+((EXTEND32(1)<<((shift))>>1)),shift))
#define SATURATE(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
#define ADD16(a,b) ((spx_word16_t)((spx_word16_t)(a)+(spx_word16_t)(b)))
#define SUB16(a,b) ((spx_word16_t)(a)-(spx_word16_t)(b))
#define ADD32(a,b) ((spx_word32_t)(a)+(spx_word32_t)(b))
#define SUB32(a,b) ((spx_word32_t)(a)-(spx_word32_t)(b))
/* result fits in 16 bits */
#define MULT16_16_16(a,b) (((spx_word16_t)(a))*((spx_word16_t)(b)))
/* result fits in 32 bits */
#define MULT16_32_32(a,b) (((spx_word16_t)(a))*((spx_word32_t)(b)))
/* (spx_word32_t)(spx_word16_t) gives TI compiler a hint that it's 16x16->32 multiply */
#define MULT16_16(a,b) (((spx_word32_t)(spx_word16_t)(a))*((spx_word32_t)(spx_word16_t)(b)))
#define MAC16_16(c,a,b) (ADD32((c),MULT16_16((a),(b))))
#define MULT16_32_P15(a,b) ADD32(MULT16_32_32(a,SHR((b),15)), PSHR(MULT16_16((a),((b)&0x00007fff)),15))
#define MULT16_32_Q15(a,b) ADD32(MULT16_32_32(a,SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15))
#define MAC16_32_Q15(c,a,b) ADD32(c,MULT16_32_Q15(a,b))
#define MAC16_16_Q11(c,a,b) (ADD32((c),SHR(MULT16_16((a),(b)),11)))
#define MAC16_16_Q13(c,a,b) (ADD32((c),SHR(MULT16_16((a),(b)),13)))
#define MAC16_16_P13(c,a,b) (ADD32((c),SHR(ADD32(4096,MULT16_16((a),(b))),13)))
#define MULT16_16_Q11_32(a,b) (SHR(MULT16_16((a),(b)),11))
#define MULT16_16_Q13(a,b) (SHR(MULT16_16((a),(b)),13))
#define MULT16_16_Q14(a,b) (SHR(MULT16_16((a),(b)),14))
#define MULT16_16_Q15(a,b) (SHR(MULT16_16((a),(b)),15))
#define MULT16_16_P13(a,b) (SHR(ADD32(4096,MULT16_16((a),(b))),13))
#define MULT16_16_P14(a,b) (SHR(ADD32(8192,MULT16_16((a),(b))),14))
#define MULT16_16_P15(a,b) (SHR(ADD32(16384,MULT16_16((a),(b))),15))
#define MUL_16_32_R15(a,bh,bl) ADD32(MULT16_16((a),(bh)), SHR(MULT16_16((a),(bl)),15))
#define DIV32_16(a,b) ((spx_word16_t)(((spx_word32_t)(a))/((spx_word16_t)(b))))
#define PDIV32_16(a,b) ((spx_word16_t)(((spx_word32_t)(a)+((spx_word16_t)(b)>>1))/((spx_word16_t)(b))))
#define DIV32(a,b) (((spx_word32_t)(a))/((spx_word32_t)(b)))
#define PDIV32(a,b) (((spx_word32_t)(a)+((spx_word16_t)(b)>>1))/((spx_word32_t)(b)))
#endif

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/* Copyright (C) 2007 Jean-Marc Valin
File: os_support.h
This is the (tiny) OS abstraction layer. Aside from math.h, this is the
only place where system headers are allowed.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OS_SUPPORT_H
#define OS_SUPPORT_H
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#ifdef OS_SUPPORT_CUSTOM
#include "os_support_custom.h"
#endif
/** Speex wrapper for calloc. To do your own dynamic allocation, all you need to do is replace this function, speex_realloc and speex_free
NOTE: speex_alloc needs to CLEAR THE MEMORY */
#ifndef OVERRIDE_SPEEX_ALLOC
static inline void *speex_alloc (int size)
{
/* WARNING: this is not equivalent to malloc(). If you want to use malloc()
or your own allocator, YOU NEED TO CLEAR THE MEMORY ALLOCATED. Otherwise
you will experience strange bugs */
return calloc(size,1);
}
#endif
/** Speex wrapper for realloc. To do your own dynamic allocation, all you need to do is replace this function, speex_alloc and speex_free */
#ifndef OVERRIDE_SPEEX_REALLOC
static inline void *speex_realloc (void *ptr, int size)
{
return realloc(ptr, size);
}
#endif
/** Speex wrapper for calloc. To do your own dynamic allocation, all you need to do is replace this function, speex_realloc and speex_alloc */
#ifndef OVERRIDE_SPEEX_FREE
static inline void speex_free (void *ptr)
{
free(ptr);
}
#endif
#ifndef OVERRIDE_SPEEX_WARNING
static inline void speex_warning(const char *str)
{
#ifndef DISABLE_WARNINGS
fprintf (stderr, "warning: %s\n", str);
#endif
}
#endif
#endif

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/* Copyright (C) 2007-2008 Jean-Marc Valin
* Copyright (C) 2008 Thorvald Natvig
* Copyright (C) 2011 Texas Instruments
* author Jyri Sarha
*/
/**
@file resample_neon.h
@brief Resampler functions (NEON version)
*/
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Xiph.org Foundation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if defined(__aarch64__)
static inline int32_t saturate_32bit_to_16bit(int32_t a) {
int32_t ret;
__asm__ ("fmov s0, %w[a]\n"
"sqxtn h0, s0\n"
"sxtl v0.4s, v0.4h\n"
"fmov %w[ret], s0\n"
: [ret] "=r" (ret)
: [a] "r" (a)
: "v0" );
return ret;
}
#elif defined(__thumb2__)
static inline int32_t saturate_32bit_to_16bit(int32_t a) {
int32_t ret;
__asm__ ("ssat %[ret], #16, %[a]"
: [ret] "=r" (ret)
: [a] "r" (a)
: );
return ret;
}
#else
static inline int32_t saturate_32bit_to_16bit(int32_t a) {
int32_t ret;
__asm__ ("vmov.s32 d0[0], %[a]\n"
"vqmovn.s32 d0, q0\n"
"vmov.s16 %[ret], d0[0]\n"
: [ret] "=r" (ret)
: [a] "r" (a)
: "q0");
return ret;
}
#endif
#undef WORD2INT
#define WORD2INT(x) (saturate_32bit_to_16bit(x))
#define OVERRIDE_INNER_PRODUCT_SINGLE
/* Only works when len % 4 == 0 and len >= 4 */
#if defined(__aarch64__)
static inline int32_t inner_product_single(const int16_t *a, const int16_t *b, unsigned int len)
{
int32_t ret;
uint32_t remainder = len % 16;
len = len - remainder;
__asm__ volatile (" cmp %w[len], #0\n"
" b.ne 1f\n"
" ld1 {v16.4h}, [%[b]], #8\n"
" ld1 {v20.4h}, [%[a]], #8\n"
" subs %w[remainder], %w[remainder], #4\n"
" smull v0.4s, v16.4h, v20.4h\n"
" b.ne 4f\n"
" b 5f\n"
"1:"
" ld1 {v16.4h, v17.4h, v18.4h, v19.4h}, [%[b]], #32\n"
" ld1 {v20.4h, v21.4h, v22.4h, v23.4h}, [%[a]], #32\n"
" subs %w[len], %w[len], #16\n"
" smull v0.4s, v16.4h, v20.4h\n"
" smlal v0.4s, v17.4h, v21.4h\n"
" smlal v0.4s, v18.4h, v22.4h\n"
" smlal v0.4s, v19.4h, v23.4h\n"
" b.eq 3f\n"
"2:"
" ld1 {v16.4h, v17.4h, v18.4h, v19.4h}, [%[b]], #32\n"
" ld1 {v20.4h, v21.4h, v22.4h, v23.4h}, [%[a]], #32\n"
" subs %w[len], %w[len], #16\n"
" smlal v0.4s, v16.4h, v20.4h\n"
" smlal v0.4s, v17.4h, v21.4h\n"
" smlal v0.4s, v18.4h, v22.4h\n"
" smlal v0.4s, v19.4h, v23.4h\n"
" b.ne 2b\n"
"3:"
" cmp %w[remainder], #0\n"
" b.eq 5f\n"
"4:"
" ld1 {v18.4h}, [%[b]], #8\n"
" ld1 {v22.4h}, [%[a]], #8\n"
" subs %w[remainder], %w[remainder], #4\n"
" smlal v0.4s, v18.4h, v22.4h\n"
" b.ne 4b\n"
"5:"
" saddlv d0, v0.4s\n"
" sqxtn s0, d0\n"
" sqrshrn h0, s0, #15\n"
" sxtl v0.4s, v0.4h\n"
" fmov %w[ret], s0\n"
: [ret] "=r" (ret), [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len), [remainder] "+r" (remainder)
:
: "cc", "v0",
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23");
return ret;
}
#else
static inline int32_t inner_product_single(const int16_t *a, const int16_t *b, unsigned int len)
{
int32_t ret;
uint32_t remainder = len % 16;
len = len - remainder;
__asm__ volatile (" cmp %[len], #0\n"
" bne 1f\n"
" vld1.16 {d16}, [%[b]]!\n"
" vld1.16 {d20}, [%[a]]!\n"
" subs %[remainder], %[remainder], #4\n"
" vmull.s16 q0, d16, d20\n"
" beq 5f\n"
" b 4f\n"
"1:"
" vld1.16 {d16, d17, d18, d19}, [%[b]]!\n"
" vld1.16 {d20, d21, d22, d23}, [%[a]]!\n"
" subs %[len], %[len], #16\n"
" vmull.s16 q0, d16, d20\n"
" vmlal.s16 q0, d17, d21\n"
" vmlal.s16 q0, d18, d22\n"
" vmlal.s16 q0, d19, d23\n"
" beq 3f\n"
"2:"
" vld1.16 {d16, d17, d18, d19}, [%[b]]!\n"
" vld1.16 {d20, d21, d22, d23}, [%[a]]!\n"
" subs %[len], %[len], #16\n"
" vmlal.s16 q0, d16, d20\n"
" vmlal.s16 q0, d17, d21\n"
" vmlal.s16 q0, d18, d22\n"
" vmlal.s16 q0, d19, d23\n"
" bne 2b\n"
"3:"
" cmp %[remainder], #0\n"
" beq 5f\n"
"4:"
" vld1.16 {d16}, [%[b]]!\n"
" vld1.16 {d20}, [%[a]]!\n"
" subs %[remainder], %[remainder], #4\n"
" vmlal.s16 q0, d16, d20\n"
" bne 4b\n"
"5:"
" vaddl.s32 q0, d0, d1\n"
" vadd.s64 d0, d0, d1\n"
" vqmovn.s64 d0, q0\n"
" vqrshrn.s32 d0, q0, #15\n"
" vmov.s16 %[ret], d0[0]\n"
: [ret] "=r" (ret), [a] "+r" (a), [b] "+r" (b),
[len] "+r" (len), [remainder] "+r" (remainder)
:
: "cc", "q0",
"d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23");
return ret;
}
#endif // !defined(__aarch64__)

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@ -0,0 +1,216 @@
/* Copyright (C) 2007 Jean-Marc Valin
File: speex_resampler.h
Resampling code
The design goals of this code are:
- Very fast algorithm
- Low memory requirement
- Good *perceptual* quality (and not best SNR)
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SPEEX_RESAMPLER_H
#define SPEEX_RESAMPLER_H
#include "speexdsp_types.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SPEEX_RESAMPLER_QUALITY_MAX 10
#define SPEEX_RESAMPLER_QUALITY_MIN 0
#define SPEEX_RESAMPLER_QUALITY_DEFAULT 4
#define SPEEX_RESAMPLER_QUALITY_VOIP 3
#define SPEEX_RESAMPLER_QUALITY_DESKTOP 5
enum {
RESAMPLER_ERR_SUCCESS = 0,
RESAMPLER_ERR_ALLOC_FAILED = 1,
RESAMPLER_ERR_BAD_STATE = 2,
RESAMPLER_ERR_INVALID_ARG = 3,
RESAMPLER_ERR_PTR_OVERLAP = 4,
RESAMPLER_ERR_OVERFLOW = 5,
RESAMPLER_ERR_MAX_ERROR
};
struct SpeexResamplerState_;
typedef struct SpeexResamplerState_ SpeexResamplerState;
/** Create a new resampler with integer input and output rates.
* @param nb_channels Number of channels to be processed
* @param in_rate Input sampling rate (integer number of Hz).
* @param out_rate Output sampling rate (integer number of Hz).
* @param quality Resampling quality between 0 and 10, where 0 has poor quality
* and 10 has very high quality.
* @return Newly created resampler state
* @retval NULL Error: not enough memory
*/
SpeexResamplerState *speex_resampler_init(spx_uint32_t nb_channels,
spx_uint32_t in_rate,
spx_uint32_t out_rate,
int quality,
int *err);
/** Destroy a resampler state.
* @param st Resampler state
*/
void speex_resampler_destroy(SpeexResamplerState *st);
/** Resample an int array. The input and output buffers must *not* overlap.
* @param st Resampler state
* @param channel_index Index of the channel to process for the multi-channel
* base (0 otherwise)
* @param in Input buffer
* @param in_len Number of input samples in the input buffer. Returns the number
* of samples processed
* @param out Output buffer
* @param out_len Size of the output buffer. Returns the number of samples written
*/
int speex_resampler_process_int(SpeexResamplerState *st,
spx_uint32_t channel_index,
const spx_int16_t *in,
spx_uint32_t *in_len,
spx_int16_t *out,
spx_uint32_t *out_len);
/** Resample an interleaved int array. The input and output buffers must *not* overlap.
* @param st Resampler state
* @param in Input buffer
* @param in_len Number of input samples in the input buffer. Returns the number
* of samples processed. This is all per-channel.
* @param out Output buffer
* @param out_len Size of the output buffer. Returns the number of samples written.
* This is all per-channel.
*/
int speex_resampler_process_interleaved_int(SpeexResamplerState *st,
const spx_int16_t *in,
spx_uint32_t *in_len,
spx_int16_t *out,
spx_uint32_t *out_len);
/** Set (change) the input/output sampling rates (integer value).
* @param st Resampler state
* @param in_rate Input sampling rate (integer number of Hz).
* @param out_rate Output sampling rate (integer number of Hz).
*/
int speex_resampler_set_rate(SpeexResamplerState *st,
spx_uint32_t in_rate,
spx_uint32_t out_rate);
/** Get the current input/output sampling rates (integer value).
* @param st Resampler state
* @param in_rate Input sampling rate (integer number of Hz) copied.
* @param out_rate Output sampling rate (integer number of Hz) copied.
*/
void speex_resampler_get_rate(SpeexResamplerState *st,
spx_uint32_t *in_rate,
spx_uint32_t *out_rate);
/** Set (change) the conversion quality.
* @param st Resampler state
* @param quality Resampling quality between 0 and 10, where 0 has poor
* quality and 10 has very high quality.
*/
int speex_resampler_set_quality(SpeexResamplerState *st,
int quality);
/** Get the conversion quality.
* @param st Resampler state
* @param quality Resampling quality between 0 and 10, where 0 has poor
* quality and 10 has very high quality.
*/
void speex_resampler_get_quality(SpeexResamplerState *st,
int *quality);
/** Set (change) the input stride.
* @param st Resampler state
* @param stride Input stride
*/
void speex_resampler_set_input_stride(SpeexResamplerState *st,
spx_uint32_t stride);
/** Get the input stride.
* @param st Resampler state
* @param stride Input stride copied
*/
void speex_resampler_get_input_stride(SpeexResamplerState *st,
spx_uint32_t *stride);
/** Set (change) the output stride.
* @param st Resampler state
* @param stride Output stride
*/
void speex_resampler_set_output_stride(SpeexResamplerState *st,
spx_uint32_t stride);
/** Get the output stride.
* @param st Resampler state copied
* @param stride Output stride
*/
void speex_resampler_get_output_stride(SpeexResamplerState *st,
spx_uint32_t *stride);
/** Get the latency introduced by the resampler measured in input samples.
* @param st Resampler state
*/
int speex_resampler_get_input_latency(SpeexResamplerState *st);
/** Get the latency introduced by the resampler measured in output samples.
* @param st Resampler state
*/
int speex_resampler_get_output_latency(SpeexResamplerState *st);
/** Make sure that the first samples to go out of the resamplers don't have
* leading zeros. This is only useful before starting to use a newly created
* resampler. It is recommended to use that when resampling an audio file, as
* it will generate a file with the same length. For real-time processing,
* it is probably easier not to use this call (so that the output duration
* is the same for the first frame).
* @param st Resampler state
*/
int speex_resampler_skip_zeros(SpeexResamplerState *st);
/** Reset a resampler so a new (unrelated) stream can be processed.
* @param st Resampler state
*/
int speex_resampler_reset_mem(SpeexResamplerState *st);
/** Returns the English meaning for an error code
* @param err Error code
* @return English string
*/
const char *speex_resampler_strerror(int err);
#ifdef __cplusplus
}
#endif
#endif

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@ -0,0 +1,28 @@
/* speexdsp_types.h taken from libogg */
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************/
/**
@file speexdsp_types.h
@brief Speex types
*/
#ifndef __SPEEX_TYPES_H__
#define __SPEEX_TYPES_H__
#include <stdint.h>
typedef int16_t spx_int16_t;
typedef uint16_t spx_uint16_t;
typedef int32_t spx_int32_t;
typedef uint32_t spx_uint32_t;
#endif