Use the libspeexdsp resampler
AFAICT it runs a little slower? but it's fixed point, and has much better understood audio characteristics.
This commit is contained in:
jacqueline
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dnl Process this file with autoconf to produce a configure script. -*-m4-*-
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AC_INIT([speexdsp],[1.2.1],[speex-dev@xiph.org])
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AC_CONFIG_SRCDIR([libspeexdsp/preprocess.c])
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AC_CONFIG_MACRO_DIR([m4])
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dnl enable silent rules on automake 1.11 and later
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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SPEEXDSP_LT_CURRENT=6
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SPEEXDSP_LT_REVISION=2
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SPEEXDSP_LT_AGE=5
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AC_SUBST(SPEEXDSP_LT_CURRENT)
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AC_SUBST(SPEEXDSP_LT_REVISION)
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AC_SUBST(SPEEXDSP_LT_AGE)
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AM_INIT_AUTOMAKE([foreign no-define])
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AM_MAINTAINER_MODE([enable])
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AC_CANONICAL_HOST
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_LT_SET_OPTION([LT_INIT],[win32-dll])
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LT_INIT
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AC_C_BIGENDIAN
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AC_C_CONST
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AC_C_INLINE
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AC_C_RESTRICT
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AC_MSG_CHECKING(for C99 variable-size arrays)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
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int foo;
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foo = 10;
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int array[foo];
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]])],[has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays])
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],[has_var_arrays=no
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])
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AC_MSG_RESULT($has_var_arrays)
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AC_MSG_CHECKING(for SSE in current arch/CFLAGS)
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#include <xmmintrin.h>
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__m128 testfunc(float *a, float *b) {
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return _mm_add_ps(_mm_loadu_ps(a), _mm_loadu_ps(b));
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}
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]])],
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[
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has_sse=yes
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],
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[
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has_sse=no
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]
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)
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AC_MSG_RESULT($has_sse)
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AC_MSG_CHECKING(for SSE2 in current arch/CFLAGS)
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#include <emmintrin.h>
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__m128d testfunc(double *a, double *b) {
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return _mm_add_pd(_mm_loadu_pd(a), _mm_loadu_pd(b));
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}
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]])],
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[
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has_sse2=yes
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],
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[
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has_sse2=no
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]
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)
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AC_MSG_RESULT($has_sse2)
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AC_MSG_CHECKING(for NEON in current arch/CFLAGS)
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#include <arm_neon.h>
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int32x4_t testfunc(int16_t *a, int16_t *b) {
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return vmull_s16(vld1_s16(a), vld1_s16(b));
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}
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]])],
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[
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has_neon=yes
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],
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[
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has_neon=no
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]
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)
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AC_MSG_RESULT($has_neon)
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fvisibility=hidden"
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AC_MSG_CHECKING(for ELF visibility)
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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#pragma GCC visibility push(hidden)
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__attribute__((visibility("default")))
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int var=10;
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]])],
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[
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has_visibility=yes
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AC_DEFINE([EXPORT], [__attribute__((visibility("default")))], [Symbol visibility prefix])
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],
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[
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has_visibility=no
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AC_DEFINE([EXPORT], [], [Symbol visibility prefix])
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CFLAGS="$SAVE_CFLAGS"
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]
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)
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AC_MSG_RESULT($has_visibility)
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AC_CHECK_HEADERS(sys/soundcard.h sys/audioio.h)
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AC_SUBST(src)
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LT_LIB_M
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AC_ARG_ENABLE(sse, [ --enable-sse Enable SSE support], [
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if test "x$enableval" != xno; then
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has_sse=yes
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has_sse2=yes
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CFLAGS="$CFLAGS -O3 -msse -msse2"
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else
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has_sse=no
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has_sse2=no
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fi
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])
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AC_ARG_ENABLE(neon, [ --enable-neon Enable NEON support], [
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if test "x$enableval" != xno; then
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has_neon=yes
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AS_CASE(["$host"],
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[arm*], [CFLAGS="$CFLAGS -O3 -march=armv7-a -mfpu=neon"]
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)
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else
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has_neon=no
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fi
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])
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FFT=smallft
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AC_ARG_ENABLE(fixed-point, [ --enable-fixed-point Compile as fixed-point],
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[if test "$enableval" = yes; then
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FFT=kiss
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has_sse=no
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AC_DEFINE([FIXED_POINT], , [Compile as fixed-point])
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else
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AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])
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fi],
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AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]))
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if test "$has_sse" = yes; then
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AC_DEFINE([USE_SSE], , [Enable SSE support])
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fi
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if test "$has_neon" = yes; then
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AC_DEFINE([USE_NEON], , [Enable NEON support])
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fi
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if test "$has_sse2" = yes; then
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AC_DEFINE([USE_SSE2], , [Enable SSE2 support])
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fi
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AC_ARG_ENABLE(float-api, [ --disable-float-api Disable the floating-point API],
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[if test "$enableval" = no; then
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AC_DEFINE([DISABLE_FLOAT_API], , [Disable all parts of the API that are using floats])
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fi])
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AC_ARG_ENABLE(examples, [ --disable-examples Do not build example programs, only the library])
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if test "$enableval" != no; then
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AM_CONDITIONAL([BUILD_EXAMPLES], true)
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else
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AM_CONDITIONAL([BUILD_EXAMPLES], false)
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fi
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AC_ARG_ENABLE(arm4-asm, [ --enable-arm4-asm Make use of ARM4 assembly optimizations],
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[if test "$enableval" = yes; then
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AC_DEFINE([ARM4_ASM], , [Make use of ARM4 assembly optimizations])
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fi])
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AC_ARG_ENABLE(arm5e-asm, [ --enable-arm5e-asm Make use of ARM5E assembly optimizations],
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[if test "$enableval" = yes; then
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AC_DEFINE([ARM5E_ASM], , [Make use of ARM5E assembly optimizations])
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fi])
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AC_ARG_ENABLE(blackfin-asm, [ --enable-blackfin-asm Make use of Blackfin assembly optimizations],
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[if test "$enableval" = yes; then
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AC_DEFINE([BFIN_ASM], , [Make use of Blackfin assembly optimizations])
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fi])
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case $host_os in
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uclinux) LDFLAGS="-Wl,-elf2flt=-s100000 $LDFLAGS";;
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esac
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AC_ARG_ENABLE(fixed-point-debug, [ --enable-fixed-point-debug Debug fixed-point implementation],
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[if test "$enableval" = yes; then
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AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation])
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fi])
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AC_ARG_ENABLE(resample-full-sinc-table, [ --enable-resample-full-sinc-table Resample full SINC table (no interpolation)],
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[if test "$enableval" = yes; then
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AC_DEFINE([RESAMPLE_FULL_SINC_TABLE], , [Resample with full SINC table (no interpolation)])
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fi])
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AC_ARG_ENABLE(ti-c55x, [ --enable-ti-c55x Enable support for TI C55X DSP],
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[if test "$enableval" = yes; then
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has_char16=yes;
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AC_DEFINE([TI_C55X], , [Enable support for TI C55X DSP])
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fi])
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AC_ARG_WITH([fft], [AS_HELP_STRING([--with-fft=choice],[use an alternate FFT implementation. The available choices are
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kiss (default fixed point), smallft (default floating point), gpl-fftw3 and proprietary-intel-mkl])],
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[FFT=$withval]
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)
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FFT_PKGCONFIG=
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AS_CASE([$FFT],
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[kiss], [
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AC_DEFINE([USE_KISS_FFT], [], [Use KISS Fast Fourier Transform])
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],
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[smallft], [
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AC_DEFINE([USE_SMALLFT], [], [Use FFT from OggVorbis])
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],
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[gpl-fftw3], [
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AC_DEFINE([USE_GPL_FFTW3], [], [Use FFTW3 for FFT])
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PKG_CHECK_MODULES([FFT], [fftw3f])
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],
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[proprietary-intel-mkl], [
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AC_DEFINE([USE_INTEL_MKL], [], [Use Intel Math Kernel Library for FFT])
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AC_MSG_CHECKING(for valid MKL)
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#include <mkl.h>
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void func() {
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DFTI_DESCRIPTOR_HANDLE h;
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MKL_LONG result=DftiCreateDescriptor(&h, DFTI_SINGLE, DFTI_REAL, 0);
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}]])],
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[AC_MSG_RESULT(yes)],
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[AC_MSG_FAILURE([Failed to compile MKL test program. Make sure you set CFLAGS to include the include directory and set LDFLAGS to include the library directory and all necesarry libraries.])]
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)
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],
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[AC_MSG_FAILURE([Unknown FFT $FFT specified for --with-fft])]
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)
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AM_CONDITIONAL(BUILD_KISS_FFT, [test "$FFT" = "kiss"])
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AM_CONDITIONAL(BUILD_SMALLFT, [test "$FFT" = "smallft"])
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AC_SUBST(FFT_PKGCONFIG)
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AC_CHECK_SIZEOF([int16_t])
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AC_CHECK_SIZEOF([uint16_t])
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AC_CHECK_SIZEOF([u_int16_t])
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AC_CHECK_SIZEOF([int32_t])
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AC_CHECK_SIZEOF([uint32_t])
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AC_CHECK_SIZEOF([u_int32_t])
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AC_CHECK_SIZEOF([short])
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AC_CHECK_SIZEOF([int])
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AC_CHECK_SIZEOF([long])
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AS_IF([test "$has_char16" = "yes"],
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[
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SIZEOF16=1
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SIZEOF32=2
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],[
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SIZEOF16=2
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SIZEOF32=4
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])
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case $SIZEOF16 in
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$ac_cv_sizeof_int16_t) SIZE16="int16_t";;
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$ac_cv_sizeof_short) SIZE16="short";;
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$ac_cv_sizeof_int) SIZE16="int";;
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esac
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case $SIZEOF16 in
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$ac_cv_sizeof_uint16_t) USIZE16="uint16_t";;
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$ac_cv_sizeof_u_int16_t) USIZE16="u_int16_t";;
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$ac_cv_sizeof_short) USIZE16="unsigned short";;
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$ac_cv_sizeof_int) USIZE16="unsigned int";;
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esac
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case $SIZEOF32 in
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$ac_cv_sizeof_int32_t) SIZE32="int32_t";;
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$ac_cv_sizeof_int) SIZE32="int";;
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$ac_cv_sizeof_long) SIZE32="long";;
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$ac_cv_sizeof_short) SIZE32="short";;
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esac
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case $SIZEOF32 in
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$ac_cv_sizeof_uint32_t) USIZE32="uint32_t";;
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$ac_cv_sizeof_u_int32_t) USIZE32="u_int32_t";;
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$ac_cv_sizeof_short) USIZE32="unsigned short";;
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$ac_cv_sizeof_int) USIZE32="unsigned int";;
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$ac_cv_sizeof_long) USIZE32="unsigned long";;
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esac
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AS_IF([test -z "$SIZE16"],[AC_MSG_ERROR([No 16 bit type found on this platform!])])
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AS_IF([test -z "$SIZE32"],[AC_MSG_ERROR([No 32 bit type found on this platform!])])
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AS_IF([test -z "$USIZE16"],[AC_MSG_ERROR([No unsigned 16 bit type found on this platform!])])
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AS_IF([test -z "$USIZE32"],[AC_MSG_ERROR([No unsigned 32 bit type found on this platform!])])
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AC_SUBST([SIZE16])
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AC_SUBST([USIZE16])
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AC_SUBST([SIZE32])
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AC_SUBST([USIZE32])
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AS_IF([test "$ac_cv_header_stdint_h" = "yes"], [INCLUDE_STDINT="#include <stdint.h>"],
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[test "$ac_cv_header_inttypes_h" = "yes"], [INCLUDE_STDINT="#include <inttypes.h>"],
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[test "$ac_cv_header_sys_types_h" = "yes"], [INCLUDE_STDINT="#include <sys/types.h>"])
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AC_SUBST([INCLUDE_STDINT])
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AC_CONFIG_FILES([
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Makefile libspeexdsp/Makefile doc/Makefile SpeexDSP.spec
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include/Makefile include/speex/Makefile speexdsp.pc
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win32/Makefile win32/libspeexdsp/Makefile
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symbian/Makefile
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win32/VS2003/Makefile
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win32/VS2003/libspeexdsp/Makefile
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win32/VS2003/tests/Makefile
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win32/VS2005/Makefile
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win32/VS2005/libspeexdsp/Makefile
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win32/VS2005/tests/Makefile
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win32/VS2008/Makefile
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win32/VS2008/libspeexdsp/Makefile
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win32/VS2008/tests/Makefile
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include/speex/speexdsp_config_types.h ti/Makefile
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ti/speex_C54_test/Makefile ti/speex_C55_test/Makefile
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ti/speex_C64_test/Makefile ])
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AC_CONFIG_HEADERS([config.h])
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AC_OUTPUT
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echo "Type \"make; make install\" to compile and install Speex";
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