update to snapshot spandsp-20080920.tar.gz
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9771 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
parent
2825fb6e5b
commit
738c0fc1dd
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@ -1 +1 @@
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Tue Sep 30 23:59:24 EDT 2008
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Wed Oct 1 00:06:28 EDT 2008
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@ -16,7 +16,7 @@
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## License along with this program; if not, write to the Free Software
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## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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##
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## $Id: Makefile.am,v 1.40 2008/07/15 14:28:20 steveu Exp $
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## $Id: Makefile.am,v 1.43 2008/09/20 15:44:40 steveu Exp $
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AM_CFLAGS = $(COMP_VENDOR_CFLAGS)
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AM_LDFLAGS = $(COMP_VENDOR_LDFLAGS)
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@ -30,26 +30,10 @@ EXTRA_DIST = autogen.sh \
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README.testdata \
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spandsp.spec \
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wrapper.xsl \
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libspandsp.vcproj \
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unpack_g722_data.sh \
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unpack_g726_data.sh \
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unpack_gsm0610_data.sh \
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unpack_v56ter_data.sh \
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doc/doxygen.in \
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src/floating_fudge.h \
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src/spandsp/version.h.in \
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src/libspandsp.dsp \
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src/libspandsp.sln \
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src/msvc/gettimeofday.c \
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src/msvc/inttypes.h \
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src/msvc/tgmath.h \
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src/msvc/unistd.h \
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src/msvc/sys/time.h \
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src/msvc/spandsp.def \
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src/msvc/msvcproj.head \
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src/msvc/msvcproj.foot \
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src/msvc/vc8proj.head \
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src/msvc/vc8proj.foot \
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spandsp/global-tones.xml \
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spandsp/tones.dtd \
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spandsp/tsb85.xml \
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@ -16,11 +16,12 @@
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## License along with this program; if not, write to the Free Software
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## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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##
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## $Id: Makefile.am,v 1.11 2008/06/21 10:28:34 steveu Exp $
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## $Id: Makefile.am,v 1.12 2008/09/20 15:44:40 steveu Exp $
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MAINTAINERCLEANFILES = Makefile.in
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EXTRA_DIST = css.css \
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doxygen.in \
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t38-gateway.dia \
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t38-terminal.dia \
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t38_manual.xml \
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@ -16,13 +16,29 @@
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## License along with this program; if not, write to the Free Software
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## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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##
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## $Id: Makefile.am,v 1.103 2008/09/19 14:02:05 steveu Exp $
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## $Id: Makefile.am,v 1.104 2008/09/20 15:44:40 steveu Exp $
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AM_CFLAGS = $(COMP_VENDOR_CFLAGS)
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AM_LDFLAGS = $(COMP_VENDOR_LDFLAGS)
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MAINTAINERCLEANFILES = Makefile.in
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EXTRA_DIST = floating_fudge.h \
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spandsp/version.h.in \
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libspandsp.dsp \
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libspandsp.sln \
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libspandsp.vcproj \
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msvc/gettimeofday.c \
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msvc/inttypes.h \
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msvc/tgmath.h \
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msvc/unistd.h \
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msvc/sys/time.h \
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msvc/spandsp.def \
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msvc/msvcproj.head \
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msvc/msvcproj.foot \
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msvc/vc8proj.head \
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msvc/vc8proj.foot
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INCLUDES = -I$(top_builddir)
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lib_LTLIBRARIES = libspandsp.la
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@ -0,0 +1,113 @@
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/*
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* SpanDSP - a series of DSP components for telephony
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*
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* complex_vector_int.c - Integer complex vector arithmetic routines.
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2006 Steve Underwood
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1,
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* as published by the Free Software Foundation.
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*
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||||
* This program is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: complex_vector_int.c,v 1.3 2008/09/18 13:54:32 steveu Exp $
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*/
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/*! \file */
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#if defined(HAVE_CONFIG_H)
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#include <config.h>
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#endif
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#include <inttypes.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "floating_fudge.h"
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#if defined(HAVE_TGMATH_H)
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#include <tgmath.h>
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#endif
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#if defined(HAVE_MATH_H)
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#include <math.h>
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#endif
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#include <assert.h>
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#include "spandsp/telephony.h"
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#include "spandsp/logging.h"
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#include "spandsp/complex.h"
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#include "spandsp/vector_int.h"
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#include "spandsp/complex_vector_int.h"
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complexi32_t cvec_dot_prodi16(const complexi16_t x[], const complexi16_t y[], int n)
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{
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int i;
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complexi32_t z;
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z = complex_seti32(0, 0);
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for (i = 0; i < n; i++)
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{
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z.re += ((int32_t) x[i].re*(int32_t) y[i].re - (int32_t) x[i].im*(int32_t) y[i].im);
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z.im += ((int32_t) x[i].re*(int32_t) y[i].im + (int32_t) x[i].im*(int32_t) y[i].re);
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}
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return z;
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}
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/*- End of function --------------------------------------------------------*/
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complexi32_t cvec_dot_prodi32(const complexi32_t x[], const complexi32_t y[], int n)
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{
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int i;
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complexi32_t z;
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z = complex_seti32(0, 0);
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for (i = 0; i < n; i++)
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{
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z.re += (x[i].re*y[i].re - x[i].im*y[i].im);
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z.im += (x[i].re*y[i].im + x[i].im*y[i].re);
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}
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return z;
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}
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/*- End of function --------------------------------------------------------*/
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complexi32_t cvec_circular_dot_prodi16(const complexi16_t x[], const complexi16_t y[], int n, int pos)
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{
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complexi32_t z;
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complexi32_t z1;
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z = cvec_dot_prodi16(&x[pos], &y[0], n - pos);
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z1 = cvec_dot_prodi16(&x[0], &y[n - pos], pos);
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z = complex_addi32(&z, &z1);
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return z;
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}
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/*- End of function --------------------------------------------------------*/
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void cvec_lmsi16(const complexi16_t x[], complexi16_t y[], int n, const complexi16_t *error)
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{
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int i;
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for (i = 0; i < n; i++)
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{
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y[i].re += ((int32_t) x[i].im*(int32_t) error->im + (int32_t) x[i].re*(int32_t) error->re) >> 12;
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y[i].im += ((int32_t) x[i].re*(int32_t) error->im - (int32_t) x[i].im*(int32_t) error->re) >> 12;
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}
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}
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/*- End of function --------------------------------------------------------*/
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void cvec_circular_lmsi16(const complexi16_t x[], complexi16_t y[], int n, int pos, const complexi16_t *error)
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{
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cvec_lmsi16(&x[pos], &y[0], n - pos, error);
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cvec_lmsi16(&x[0], &y[n - pos], pos, error);
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}
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/*- End of function --------------------------------------------------------*/
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/*- End of file ------------------------------------------------------------*/
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@ -0,0 +1,609 @@
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/*
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* SpanDSP - a series of DSP components for telephony
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*
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* g722.c - The ITU G.722 codec.
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2005 Steve Underwood
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*
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* All rights reserved.
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||||
*
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* This program is free software; you can redistribute it and/or modify
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||||
* it under the terms of the GNU Lesser General Public License version 2.1,
|
||||
* as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Based in part on a single channel G.722 codec which is:
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*
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* Copyright (c) CMU 1993
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* Computer Science, Speech Group
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||||
* Chengxiang Lu and Alex Hauptmann
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*
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* $Id: g722.c,v 1.2 2008/09/19 16:24:25 steveu Exp $
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*/
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/*! \file */
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#if defined(HAVE_CONFIG_H)
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#include <config.h>
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#endif
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#include <inttypes.h>
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#include <memory.h>
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#include <stdlib.h>
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#include "floating_fudge.h"
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#if defined(HAVE_TGMATH_H)
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#include <tgmath.h>
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#endif
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#if defined(HAVE_MATH_H)
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#include <math.h>
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#endif
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#include "spandsp/telephony.h"
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#include "spandsp/saturated.h"
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#include "spandsp/vector_int.h"
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#include "spandsp/g722.h"
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static const int16_t qmf_coeffs_fwd[12] =
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{
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3, -11, 12, 32, -210, 951, 3876, -805, 362, -156, 53, -11,
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};
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static const int16_t qmf_coeffs_rev[12] =
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{
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-11, 53, -156, 362, -805, 3876, 951, -210, 32, 12, -11, 3
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};
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static const int16_t qm2[4] =
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{
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-7408, -1616, 7408, 1616
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};
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static const int16_t qm4[16] =
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{
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0, -20456, -12896, -8968,
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-6288, -4240, -2584, -1200,
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20456, 12896, 8968, 6288,
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4240, 2584, 1200, 0
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};
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static const int16_t qm5[32] =
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{
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-280, -280, -23352, -17560,
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-14120, -11664, -9752, -8184,
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-6864, -5712, -4696, -3784,
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-2960, -2208, -1520, -880,
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23352, 17560, 14120, 11664,
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9752, 8184, 6864, 5712,
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4696, 3784, 2960, 2208,
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1520, 880, 280, -280
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};
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static const int16_t qm6[64] =
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{
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-136, -136, -136, -136,
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-24808, -21904, -19008, -16704,
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-14984, -13512, -12280, -11192,
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-10232, -9360, -8576, -7856,
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-7192, -6576, -6000, -5456,
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-4944, -4464, -4008, -3576,
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-3168, -2776, -2400, -2032,
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-1688, -1360, -1040, -728,
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24808, 21904, 19008, 16704,
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14984, 13512, 12280, 11192,
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10232, 9360, 8576, 7856,
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7192, 6576, 6000, 5456,
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4944, 4464, 4008, 3576,
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3168, 2776, 2400, 2032,
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1688, 1360, 1040, 728,
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432, 136, -432, -136
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};
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static const int16_t q6[32] =
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{
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0, 35, 72, 110,
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150, 190, 233, 276,
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323, 370, 422, 473,
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530, 587, 650, 714,
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786, 858, 940, 1023,
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1121, 1219, 1339, 1458,
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1612, 1765, 1980, 2195,
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2557, 2919, 0, 0
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};
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static const int16_t ilb[32] =
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{
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2048, 2093, 2139, 2186,
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2233, 2282, 2332, 2383,
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2435, 2489, 2543, 2599,
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2656, 2714, 2774, 2834,
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2896, 2960, 3025, 3091,
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3158, 3228, 3298, 3371,
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3444, 3520, 3597, 3676,
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3756, 3838, 3922, 4008
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};
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static const int16_t iln[32] =
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{
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0, 63, 62, 31, 30, 29, 28, 27,
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26, 25, 24, 23, 22, 21, 20, 19,
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18, 17, 16, 15, 14, 13, 12, 11,
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10, 9, 8, 7, 6, 5, 4, 0
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||||
};
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||||
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||||
static const int16_t ilp[32] =
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||||
{
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0, 61, 60, 59, 58, 57, 56, 55,
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54, 53, 52, 51, 50, 49, 48, 47,
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||||
46, 45, 44, 43, 42, 41, 40, 39,
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||||
38, 37, 36, 35, 34, 33, 32, 0
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||||
};
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||||
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||||
static const int16_t ihn[3] =
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||||
{
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||||
0, 1, 0
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||||
};
|
||||
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||||
static const int16_t ihp[3] =
|
||||
{
|
||||
0, 3, 2
|
||||
};
|
||||
|
||||
static const int16_t wl[8] =
|
||||
{
|
||||
-60, -30, 58, 172, 334, 538, 1198, 3042
|
||||
};
|
||||
|
||||
static const int16_t rl42[16] =
|
||||
{
|
||||
0, 7, 6, 5, 4, 3, 2, 1,
|
||||
7, 6, 5, 4, 3, 2, 1, 0
|
||||
};
|
||||
|
||||
static const int16_t wh[3] =
|
||||
{
|
||||
0, -214, 798
|
||||
};
|
||||
|
||||
static const int16_t rh2[4] =
|
||||
{
|
||||
2, 1, 2, 1
|
||||
};
|
||||
|
||||
static void block4(g722_band_t *s, int16_t dx)
|
||||
{
|
||||
int16_t wd1;
|
||||
int16_t wd2;
|
||||
int16_t wd3;
|
||||
int16_t sp;
|
||||
int16_t r;
|
||||
int16_t p;
|
||||
int16_t ap[2];
|
||||
int32_t wd32;
|
||||
int32_t sz;
|
||||
int i;
|
||||
|
||||
/* RECONS */
|
||||
r = saturated_add16(s->s, dx);
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||||
/* PARREC */
|
||||
p = saturated_add16(s->sz, dx);
|
||||
|
||||
/* UPPOL2 */
|
||||
wd1 = saturate((int32_t) s->a[0] << 2);
|
||||
wd32 = ((p ^ s->p[0]) & 0x8000) ? wd1 : -wd1;
|
||||
if (wd32 > 32767)
|
||||
wd32 = 32767;
|
||||
wd3 = (((p ^ s->p[1]) & 0x8000) ? -128 : 128)
|
||||
+ (wd32 >> 7)
|
||||
+ (((int32_t) s->a[1]*(int32_t) 32512) >> 15);
|
||||
if (abs(wd3) > 12288)
|
||||
wd3 = (wd3 < 0) ? -12288 : 12288;
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||||
ap[1] = wd3;
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||||
|
||||
/* UPPOL1 */
|
||||
wd1 = ((p ^ s->p[0]) & 0x8000) ? -192 : 192;
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wd2 = ((int32_t) s->a[0]*(int32_t) 32640) >> 15;
|
||||
ap[0] = saturated_add16(wd1, wd2);
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||||
|
||||
wd3 = saturated_sub16(15360, ap[1]);
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||||
if (abs(ap[0]) > wd3)
|
||||
ap[0] = (ap[0] < 0) ? -wd3 : wd3;
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||||
|
||||
/* FILTEP */
|
||||
wd1 = saturated_add16(r, r);
|
||||
wd1 = ((int32_t) ap[0]*(int32_t) wd1) >> 15;
|
||||
wd2 = saturated_add16(s->r, s->r);
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||||
wd2 = ((int32_t) ap[1]*(int32_t) wd2) >> 15;
|
||||
sp = saturated_add16(wd1, wd2);
|
||||
s->r = r;
|
||||
s->a[1] = ap[1];
|
||||
s->a[0] = ap[0];
|
||||
s->p[1] = s->p[0];
|
||||
s->p[0] = p;
|
||||
|
||||
/* UPZERO */
|
||||
/* DELAYA */
|
||||
/* FILTEZ */
|
||||
wd1 = (dx == 0) ? 0 : 128;
|
||||
s->d[0] = dx;
|
||||
sz = 0;
|
||||
for (i = 5; i >= 0; i--)
|
||||
{
|
||||
wd2 = ((s->d[i + 1] ^ dx) & 0x8000) ? -wd1 : wd1;
|
||||
wd3 = ((int32_t) s->b[i]*(int32_t) 32640) >> 15;
|
||||
s->b[i] = saturated_add16(wd2, wd3);
|
||||
wd3 = saturated_add16(s->d[i], s->d[i]);
|
||||
sz += ((int32_t) s->b[i]*(int32_t) wd3) >> 15;
|
||||
s->d[i + 1] = s->d[i];
|
||||
}
|
||||
s->sz = saturate(sz);
|
||||
|
||||
/* PREDIC */
|
||||
s->s = saturated_add16(sp, s->sz);
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
g722_decode_state_t *g722_decode_init(g722_decode_state_t *s, int rate, int options)
|
||||
{
|
||||
if (s == NULL)
|
||||
{
|
||||
if ((s = (g722_decode_state_t *) malloc(sizeof(*s))) == NULL)
|
||||
return NULL;
|
||||
}
|
||||
memset(s, 0, sizeof(*s));
|
||||
if (rate == 48000)
|
||||
s->bits_per_sample = 6;
|
||||
else if (rate == 56000)
|
||||
s->bits_per_sample = 7;
|
||||
else
|
||||
s->bits_per_sample = 8;
|
||||
if ((options & G722_SAMPLE_RATE_8000))
|
||||
s->eight_k = TRUE;
|
||||
if ((options & G722_PACKED) && s->bits_per_sample != 8)
|
||||
s->packed = TRUE;
|
||||
else
|
||||
s->packed = FALSE;
|
||||
s->band[0].det = 32;
|
||||
s->band[1].det = 8;
|
||||
return s;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
int g722_decode_release(g722_decode_state_t *s)
|
||||
{
|
||||
free(s);
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
int g722_decode(g722_decode_state_t *s, int16_t amp[], const uint8_t g722_data[], int len)
|
||||
{
|
||||
int rlow;
|
||||
int ihigh;
|
||||
int16_t dlow;
|
||||
int16_t dhigh;
|
||||
int rhigh;
|
||||
int wd1;
|
||||
int wd2;
|
||||
int wd3;
|
||||
int code;
|
||||
int outlen;
|
||||
int j;
|
||||
|
||||
outlen = 0;
|
||||
rhigh = 0;
|
||||
for (j = 0; j < len; )
|
||||
{
|
||||
if (s->packed)
|
||||
{
|
||||
/* Unpack the code bits */
|
||||
if (s->in_bits < s->bits_per_sample)
|
||||
{
|
||||
s->in_buffer |= (g722_data[j++] << s->in_bits);
|
||||
s->in_bits += 8;
|
||||
}
|
||||
code = s->in_buffer & ((1 << s->bits_per_sample) - 1);
|
||||
s->in_buffer >>= s->bits_per_sample;
|
||||
s->in_bits -= s->bits_per_sample;
|
||||
}
|
||||
else
|
||||
{
|
||||
code = g722_data[j++];
|
||||
}
|
||||
|
||||
switch (s->bits_per_sample)
|
||||
{
|
||||
default:
|
||||
case 8:
|
||||
wd1 = code & 0x3F;
|
||||
ihigh = (code >> 6) & 0x03;
|
||||
wd2 = qm6[wd1];
|
||||
wd1 >>= 2;
|
||||
break;
|
||||
case 7:
|
||||
wd1 = code & 0x1F;
|
||||
ihigh = (code >> 5) & 0x03;
|
||||
wd2 = qm5[wd1];
|
||||
wd1 >>= 1;
|
||||
break;
|
||||
case 6:
|
||||
wd1 = code & 0x0F;
|
||||
ihigh = (code >> 4) & 0x03;
|
||||
wd2 = qm4[wd1];
|
||||
break;
|
||||
}
|
||||
/* Block 5L, LOW BAND INVQBL */
|
||||
wd2 = ((int32_t) s->band[0].det*(int32_t) wd2) >> 15;
|
||||
/* Block 5L, RECONS */
|
||||
/* Block 6L, LIMIT */
|
||||
rlow = saturate15(s->band[0].s + wd2);
|
||||
|
||||
/* Block 2L, INVQAL */
|
||||
wd2 = qm4[wd1];
|
||||
dlow = ((int32_t) s->band[0].det*(int32_t) wd2) >> 15;
|
||||
|
||||
/* Block 3L, LOGSCL */
|
||||
wd2 = rl42[wd1];
|
||||
wd1 = ((int32_t) s->band[0].nb*(int32_t) 127) >> 7;
|
||||
wd1 += wl[wd2];
|
||||
if (wd1 < 0)
|
||||
wd1 = 0;
|
||||
else if (wd1 > 18432)
|
||||
wd1 = 18432;
|
||||
s->band[0].nb = wd1;
|
||||
|
||||
/* Block 3L, SCALEL */
|
||||
wd1 = (s->band[0].nb >> 6) & 31;
|
||||
wd2 = 8 - (s->band[0].nb >> 11);
|
||||
wd3 = (wd2 < 0) ? (ilb[wd1] << -wd2) : (ilb[wd1] >> wd2);
|
||||
s->band[0].det = wd3 << 2;
|
||||
|
||||
block4(&s->band[0], dlow);
|
||||
|
||||
if (!s->eight_k)
|
||||
{
|
||||
/* Block 2H, INVQAH */
|
||||
wd2 = qm2[ihigh];
|
||||
dhigh = ((int32_t) s->band[1].det*(int32_t) wd2) >> 15;
|
||||
/* Block 5H, RECONS */
|
||||
/* Block 6H, LIMIT */
|
||||
rhigh = saturate15(dhigh + s->band[1].s);
|
||||
|
||||
/* Block 2H, INVQAH */
|
||||
wd2 = rh2[ihigh];
|
||||
wd1 = ((int32_t) s->band[1].nb*(int32_t) 127) >> 7;
|
||||
wd1 += wh[wd2];
|
||||
if (wd1 < 0)
|
||||
wd1 = 0;
|
||||
else if (wd1 > 22528)
|
||||
wd1 = 22528;
|
||||
s->band[1].nb = wd1;
|
||||
|
||||
/* Block 3H, SCALEH */
|
||||
wd1 = (s->band[1].nb >> 6) & 31;
|
||||
wd2 = 10 - (s->band[1].nb >> 11);
|
||||
wd3 = (wd2 < 0) ? (ilb[wd1] << -wd2) : (ilb[wd1] >> wd2);
|
||||
s->band[1].det = wd3 << 2;
|
||||
|
||||
block4(&s->band[1], dhigh);
|
||||
}
|
||||
|
||||
if (s->itu_test_mode)
|
||||
{
|
||||
amp[outlen++] = (int16_t) (rlow << 1);
|
||||
amp[outlen++] = (int16_t) (rhigh << 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (s->eight_k)
|
||||
{
|
||||
amp[outlen++] = (int16_t) rlow;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Apply the QMF to build the final signal */
|
||||
s->x[s->ptr] = rlow + rhigh;
|
||||
s->y[s->ptr] = rlow - rhigh;
|
||||
if (++s->ptr >= 12)
|
||||
s->ptr = 0;
|
||||
amp[outlen++] = (int16_t) (vec_circular_dot_prodi16(s->y, qmf_coeffs_rev, 12, s->ptr) >> 12);
|
||||
amp[outlen++] = (int16_t) (vec_circular_dot_prodi16(s->x, qmf_coeffs_fwd, 12, s->ptr) >> 12);
|
||||
}
|
||||
}
|
||||
}
|
||||
return outlen;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
g722_encode_state_t *g722_encode_init(g722_encode_state_t *s, int rate, int options)
|
||||
{
|
||||
if (s == NULL)
|
||||
{
|
||||
if ((s = (g722_encode_state_t *) malloc(sizeof(*s))) == NULL)
|
||||
return NULL;
|
||||
}
|
||||
memset(s, 0, sizeof(*s));
|
||||
if (rate == 48000)
|
||||
s->bits_per_sample = 6;
|
||||
else if (rate == 56000)
|
||||
s->bits_per_sample = 7;
|
||||
else
|
||||
s->bits_per_sample = 8;
|
||||
if ((options & G722_SAMPLE_RATE_8000))
|
||||
s->eight_k = TRUE;
|
||||
if ((options & G722_PACKED) && s->bits_per_sample != 8)
|
||||
s->packed = TRUE;
|
||||
else
|
||||
s->packed = FALSE;
|
||||
s->band[0].det = 32;
|
||||
s->band[1].det = 8;
|
||||
return s;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
int g722_encode_release(g722_encode_state_t *s)
|
||||
{
|
||||
free(s);
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
int g722_encode(g722_encode_state_t *s, uint8_t g722_data[], const int16_t amp[], int len)
|
||||
{
|
||||
int16_t dlow;
|
||||
int16_t dhigh;
|
||||
int el;
|
||||
int wd;
|
||||
int wd1;
|
||||
int ril;
|
||||
int wd2;
|
||||
int il4;
|
||||
int ih2;
|
||||
int wd3;
|
||||
int eh;
|
||||
int g722_bytes;
|
||||
int ihigh;
|
||||
int ilow;
|
||||
int code;
|
||||
/* Low and high band PCM from the QMF */
|
||||
int16_t xlow;
|
||||
int16_t xhigh;
|
||||
int32_t sumeven;
|
||||
int32_t sumodd;
|
||||
int mih;
|
||||
int i;
|
||||
int j;
|
||||
|
||||
g722_bytes = 0;
|
||||
xhigh = 0;
|
||||
for (j = 0; j < len; )
|
||||
{
|
||||
if (s->itu_test_mode)
|
||||
{
|
||||
xlow =
|
||||
xhigh = amp[j++] >> 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (s->eight_k)
|
||||
{
|
||||
xlow = amp[j++];
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Apply the transmit QMF */
|
||||
s->x[s->ptr] = amp[j++];
|
||||
s->y[s->ptr] = amp[j++];
|
||||
if (++s->ptr >= 12)
|
||||
s->ptr = 0;
|
||||
sumodd = vec_circular_dot_prodi16(s->x, qmf_coeffs_fwd, 12, s->ptr);
|
||||
sumeven = vec_circular_dot_prodi16(s->y, qmf_coeffs_rev, 12, s->ptr);
|
||||
xlow = (sumeven + sumodd) >> 13;
|
||||
xhigh = (sumeven - sumodd) >> 13;
|
||||
}
|
||||
}
|
||||
/* Block 1L, SUBTRA */
|
||||
el = saturated_sub16(xlow, s->band[0].s);
|
||||
|
||||
/* Block 1L, QUANTL */
|
||||
wd = (el >= 0) ? el : ~el;
|
||||
|
||||
for (i = 1; i < 30; i++)
|
||||
{
|
||||
wd1 = ((int32_t) q6[i]*(int32_t) s->band[0].det) >> 12;
|
||||
if (wd < wd1)
|
||||
break;
|
||||
}
|
||||
ilow = (el < 0) ? iln[i] : ilp[i];
|
||||
|
||||
/* Block 2L, INVQAL */
|
||||
ril = ilow >> 2;
|
||||
wd2 = qm4[ril];
|
||||
dlow = ((int32_t) s->band[0].det*(int32_t) wd2) >> 15;
|
||||
|
||||
/* Block 3L, LOGSCL */
|
||||
il4 = rl42[ril];
|
||||
wd = ((int32_t) s->band[0].nb*(int32_t) 127) >> 7;
|
||||
s->band[0].nb = wd + wl[il4];
|
||||
if (s->band[0].nb < 0)
|
||||
s->band[0].nb = 0;
|
||||
else if (s->band[0].nb > 18432)
|
||||
s->band[0].nb = 18432;
|
||||
|
||||
/* Block 3L, SCALEL */
|
||||
wd1 = (s->band[0].nb >> 6) & 31;
|
||||
wd2 = 8 - (s->band[0].nb >> 11);
|
||||
wd3 = (wd2 < 0) ? (ilb[wd1] << -wd2) : (ilb[wd1] >> wd2);
|
||||
s->band[0].det = wd3 << 2;
|
||||
|
||||
block4(&s->band[0], dlow);
|
||||
|
||||
if (s->eight_k)
|
||||
{
|
||||
/* Just leave the high bits as zero */
|
||||
code = (0xC0 | ilow) >> (8 - s->bits_per_sample);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Block 1H, SUBTRA */
|
||||
eh = saturated_sub16(xhigh, s->band[1].s);
|
||||
|
||||
/* Block 1H, QUANTH */
|
||||
wd = (eh >= 0) ? eh : ~eh;
|
||||
wd1 = (564*s->band[1].det) >> 12;
|
||||
mih = (wd >= wd1) ? 2 : 1;
|
||||
ihigh = (eh < 0) ? ihn[mih] : ihp[mih];
|
||||
|
||||
/* Block 2H, INVQAH */
|
||||
wd2 = qm2[ihigh];
|
||||
dhigh = ((int32_t) s->band[1].det*(int32_t) wd2) >> 15;
|
||||
|
||||
/* Block 3H, LOGSCH */
|
||||
ih2 = rh2[ihigh];
|
||||
wd = ((int32_t) s->band[1].nb*(int32_t) 127) >> 7;
|
||||
s->band[1].nb = wd + wh[ih2];
|
||||
if (s->band[1].nb < 0)
|
||||
s->band[1].nb = 0;
|
||||
else if (s->band[1].nb > 22528)
|
||||
s->band[1].nb = 22528;
|
||||
|
||||
/* Block 3H, SCALEH */
|
||||
wd1 = (s->band[1].nb >> 6) & 31;
|
||||
wd2 = 10 - (s->band[1].nb >> 11);
|
||||
wd3 = (wd2 < 0) ? (ilb[wd1] << -wd2) : (ilb[wd1] >> wd2);
|
||||
s->band[1].det = wd3 << 2;
|
||||
|
||||
block4(&s->band[1], dhigh);
|
||||
code = ((ihigh << 6) | ilow) >> (8 - s->bits_per_sample);
|
||||
}
|
||||
|
||||
if (s->packed)
|
||||
{
|
||||
/* Pack the code bits */
|
||||
s->out_buffer |= (code << s->out_bits);
|
||||
s->out_bits += s->bits_per_sample;
|
||||
if (s->out_bits >= 8)
|
||||
{
|
||||
g722_data[g722_bytes++] = (uint8_t) (s->out_buffer & 0xFF);
|
||||
s->out_bits -= 8;
|
||||
s->out_buffer >>= 8;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
g722_data[g722_bytes++] = (uint8_t) code;
|
||||
}
|
||||
}
|
||||
return g722_bytes;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
/*- End of file ------------------------------------------------------------*/
|
||||
|
|
@ -0,0 +1,348 @@
|
|||
<?xml version="1.0" encoding="Windows-1252"?>
|
||||
<VisualStudioProject
|
||||
ProjectType="Visual C"
|
||||
Version="9.00"
|
||||
Name="libspandsp"
|
||||
ProjectGUID="{CF70F278-3364-4395-A2E1-23501C9B8AD2}"
|
||||
RootNamespace="libspandsp"
|
||||
Keyword="Win32Proj"
|
||||
TargetFrameworkVersion="131072"
|
||||
>
|
||||
<Platforms>
|
||||
<Platform
|
||||
Name="Win32"
|
||||
/>
|
||||
</Platforms>
|
||||
<ToolFiles>
|
||||
</ToolFiles>
|
||||
<Configurations>
|
||||
<Configuration
|
||||
Name="Debug|Win32"
|
||||
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
|
||||
IntermediateDirectory="$(ConfigurationName)"
|
||||
ConfigurationType="2"
|
||||
CharacterSet="1"
|
||||
>
|
||||
<Tool
|
||||
Name="VCPreBuildEventTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCCustomBuildTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCXMLDataGeneratorTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCWebServiceProxyGeneratorTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCMIDLTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCCLCompilerTool"
|
||||
Optimization="0"
|
||||
AdditionalIncludeDirectories="src; src\spandsp; src\msvc;..\libtiff\include"
|
||||
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;LIBSPANDSP_EXPORTS;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;HAVE_MATH_H;HAVE_TGMATH_H"
|
||||
MinimalRebuild="true"
|
||||
BasicRuntimeChecks="3"
|
||||
RuntimeLibrary="3"
|
||||
UsePrecompiledHeader="0"
|
||||
WarningLevel="4"
|
||||
Detect64BitPortabilityProblems="true"
|
||||
DebugInformationFormat="4"
|
||||
CompileAs="1"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCManagedResourceCompilerTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCResourceCompilerTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCPreLinkEventTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCLinkerTool"
|
||||
LinkIncremental="2"
|
||||
ModuleDefinitionFile="src/msvc/spandsp.def"
|
||||
GenerateDebugInformation="true"
|
||||
SubSystem="2"
|
||||
RandomizedBaseAddress="1"
|
||||
DataExecutionPrevention="0"
|
||||
TargetMachine="1"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCALinkTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCManifestTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCXDCMakeTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCBscMakeTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCFxCopTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCAppVerifierTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCPostBuildEventTool"
|
||||
/>
|
||||
</Configuration>
|
||||
<Configuration
|
||||
Name="Release|Win32"
|
||||
OutputDirectory="$(SolutionDir)$(ConfigurationName)"
|
||||
IntermediateDirectory="$(ConfigurationName)"
|
||||
ConfigurationType="2"
|
||||
CharacterSet="1"
|
||||
WholeProgramOptimization="1"
|
||||
>
|
||||
<Tool
|
||||
Name="VCPreBuildEventTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCCustomBuildTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCXMLDataGeneratorTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCWebServiceProxyGeneratorTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCMIDLTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCCLCompilerTool"
|
||||
AdditionalIncludeDirectories="src; src\spandsp; src\msvc;..\libtiff\include"
|
||||
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;LIBSPANDSP_EXPORTS;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;HAVE_MATH_H;HAVE_TGMATH_H"
|
||||
RuntimeLibrary="2"
|
||||
UsePrecompiledHeader="0"
|
||||
WarningLevel="4"
|
||||
Detect64BitPortabilityProblems="true"
|
||||
DebugInformationFormat="3"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCManagedResourceCompilerTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCResourceCompilerTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCPreLinkEventTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCLinkerTool"
|
||||
LinkIncremental="1"
|
||||
ModuleDefinitionFile="src/msvc/spandsp.def"
|
||||
GenerateDebugInformation="true"
|
||||
SubSystem="2"
|
||||
OptimizeReferences="2"
|
||||
EnableCOMDATFolding="2"
|
||||
RandomizedBaseAddress="1"
|
||||
DataExecutionPrevention="0"
|
||||
TargetMachine="1"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCALinkTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCManifestTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCXDCMakeTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCBscMakeTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCFxCopTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCAppVerifierTool"
|
||||
/>
|
||||
<Tool
|
||||
Name="VCPostBuildEventTool"
|
||||
/>
|
||||
</Configuration>
|
||||
</Configurations>
|
||||
<References>
|
||||
</References>
|
||||
<Files>
|
||||
<Filter
|
||||
Name="Source Files"
|
||||
Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
|
||||
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
|
||||
>
|
||||
<File RelativePath="adsi.c"></File>
|
||||
<File RelativePath="async.c"></File>
|
||||
<File RelativePath="at_interpreter.c"></File>
|
||||
<File RelativePath="awgn.c"></File>
|
||||
<File RelativePath="bell_r2_mf.c"></File>
|
||||
<File RelativePath="bert.c"></File>
|
||||
<File RelativePath="bit_operations.c"></File>
|
||||
<File RelativePath="bitstream.c"></File>
|
||||
<File RelativePath="complex_filters.c"></File>
|
||||
<File RelativePath="complex_vector_float.c"></File>
|
||||
<File RelativePath="complex_vector_int.c"></File>
|
||||
<File RelativePath="crc.c"></File>
|
||||
<File RelativePath="dds_float.c"></File>
|
||||
<File RelativePath="dds_int.c"></File>
|
||||
<File RelativePath="dtmf.c"></File>
|
||||
<File RelativePath="echo.c"></File>
|
||||
<File RelativePath="fax.c"></File>
|
||||
<File RelativePath="fsk.c"></File>
|
||||
<File RelativePath="g711.c"></File>
|
||||
<File RelativePath="g722.c"></File>
|
||||
<File RelativePath="g726.c"></File>
|
||||
<File RelativePath="gsm0610_decode.c"></File>
|
||||
<File RelativePath="gsm0610_encode.c"></File>
|
||||
<File RelativePath="gsm0610_long_term.c"></File>
|
||||
<File RelativePath="gsm0610_lpc.c"></File>
|
||||
<File RelativePath="gsm0610_preprocess.c"></File>
|
||||
<File RelativePath="gsm0610_rpe.c"></File>
|
||||
<File RelativePath="gsm0610_short_term.c"></File>
|
||||
<File RelativePath="hdlc.c"></File>
|
||||
<File RelativePath="ima_adpcm.c"></File>
|
||||
<File RelativePath="logging.c"></File>
|
||||
<File RelativePath="lpc10_analyse.c"></File>
|
||||
<File RelativePath="lpc10_decode.c"></File>
|
||||
<File RelativePath="lpc10_encode.c"></File>
|
||||
<File RelativePath="lpc10_placev.c"></File>
|
||||
<File RelativePath="lpc10_voicing.c"></File>
|
||||
<File RelativePath="modem_echo.c"></File>
|
||||
<File RelativePath="modem_connect_tones.c"></File>
|
||||
<File RelativePath="noise.c"></File>
|
||||
<File RelativePath="oki_adpcm.c"></File>
|
||||
<File RelativePath="playout.c"></File>
|
||||
<File RelativePath="plc.c"></File>
|
||||
<File RelativePath="power_meter.c"></File>
|
||||
<File RelativePath="queue.c"></File>
|
||||
<File RelativePath="schedule.c"></File>
|
||||
<File RelativePath="sig_tone.c"></File>
|
||||
<File RelativePath="silence_gen.c"></File>
|
||||
<File RelativePath="super_tone_rx.c"></File>
|
||||
<File RelativePath="super_tone_tx.c"></File>
|
||||
<File RelativePath="t4.c"></File>
|
||||
<File RelativePath="t30.c"></File>
|
||||
<File RelativePath="t30_api.c"></File>
|
||||
<File RelativePath="t30_logging.c"></File>
|
||||
<File RelativePath="t31.c"></File>
|
||||
<File RelativePath="t35.c"></File>
|
||||
<File RelativePath="t38_core.c"></File>
|
||||
<File RelativePath="t38_gateway.c"></File>
|
||||
<File RelativePath="t38_non_ecm_buffer.c"></File>
|
||||
<File RelativePath="t38_terminal.c"></File>
|
||||
<File RelativePath="testcpuid.c"></File>
|
||||
<File RelativePath="time_scale.c"></File>
|
||||
<File RelativePath="tone_detect.c"></File>
|
||||
<File RelativePath="tone_generate.c"></File>
|
||||
<File RelativePath="v17rx.c"></File>
|
||||
<File RelativePath="v17tx.c"></File>
|
||||
<File RelativePath="v22bis_rx.c"></File>
|
||||
<File RelativePath="v22bis_tx.c"></File>
|
||||
<File RelativePath="v27ter_rx.c"></File>
|
||||
<File RelativePath="v27ter_tx.c"></File>
|
||||
<File RelativePath="v29rx.c"></File>
|
||||
<File RelativePath="v29tx.c"></File>
|
||||
<File RelativePath="v42.c"></File>
|
||||
<File RelativePath="v42bis.c"></File>
|
||||
<File RelativePath="v8.c"></File>
|
||||
<File RelativePath="vector_float.c"></File>
|
||||
<File RelativePath="vector_int.c"></File>
|
||||
<File RelativePath="msvc/gettimeofday.c"></File>
|
||||
</Filter><Filter Name="Header Files">
|
||||
<File RelativePath="spandsp/adsi.h"></File>
|
||||
<File RelativePath="spandsp/async.h"></File>
|
||||
<File RelativePath="spandsp/arctan2.h"></File>
|
||||
<File RelativePath="spandsp/at_interpreter.h"></File>
|
||||
<File RelativePath="spandsp/awgn.h"></File>
|
||||
<File RelativePath="spandsp/bell_r2_mf.h"></File>
|
||||
<File RelativePath="spandsp/bert.h"></File>
|
||||
<File RelativePath="spandsp/biquad.h"></File>
|
||||
<File RelativePath="spandsp/bit_operations.h"></File>
|
||||
<File RelativePath="spandsp/bitstream.h"></File>
|
||||
<File RelativePath="spandsp/crc.h"></File>
|
||||
<File RelativePath="spandsp/complex.h"></File>
|
||||
<File RelativePath="spandsp/complex_filters.h"></File>
|
||||
<File RelativePath="spandsp/complex_vector_float.h"></File>
|
||||
<File RelativePath="spandsp/complex_vector_int.h"></File>
|
||||
<File RelativePath="spandsp/dc_restore.h"></File>
|
||||
<File RelativePath="spandsp/dds.h"></File>
|
||||
<File RelativePath="spandsp/dtmf.h"></File>
|
||||
<File RelativePath="spandsp/echo.h"></File>
|
||||
<File RelativePath="spandsp/fax.h"></File>
|
||||
<File RelativePath="spandsp/fax_modems.h"></File>
|
||||
<File RelativePath="spandsp/fir.h"></File>
|
||||
<File RelativePath="spandsp/fsk.h"></File>
|
||||
<File RelativePath="spandsp/g168models.h"></File>
|
||||
<File RelativePath="spandsp/g711.h"></File>
|
||||
<File RelativePath="spandsp/g722.h"></File>
|
||||
<File RelativePath="spandsp/g726.h"></File>
|
||||
<File RelativePath="spandsp/gsm0610.h"></File>
|
||||
<File RelativePath="spandsp/hdlc.h"></File>
|
||||
<File RelativePath="spandsp/ima_adpcm.h"></File>
|
||||
<File RelativePath="spandsp/logging.h"></File>
|
||||
<File RelativePath="spandsp/lpc10.h"></File>
|
||||
<File RelativePath="spandsp/modem_echo.h"></File>
|
||||
<File RelativePath="spandsp/modem_connect_tones.h"></File>
|
||||
<File RelativePath="spandsp/noise.h"></File>
|
||||
<File RelativePath="spandsp/oki_adpcm.h"></File>
|
||||
<File RelativePath="spandsp/playout.h"></File>
|
||||
<File RelativePath="spandsp/plc.h"></File>
|
||||
<File RelativePath="spandsp/power_meter.h"></File>
|
||||
<File RelativePath="spandsp/queue.h"></File>
|
||||
<File RelativePath="spandsp/schedule.h"></File>
|
||||
<File RelativePath="spandsp/sig_tone.h"></File>
|
||||
<File RelativePath="spandsp/silence_gen.h"></File>
|
||||
<File RelativePath="spandsp/super_tone_rx.h"></File>
|
||||
<File RelativePath="spandsp/super_tone_tx.h"></File>
|
||||
<File RelativePath="spandsp/t4.h"></File>
|
||||
<File RelativePath="spandsp/t30.h"></File>
|
||||
<File RelativePath="spandsp/t30_api.h"></File>
|
||||
<File RelativePath="spandsp/t30_fcf.h"></File>
|
||||
<File RelativePath="spandsp/t30_logging.h"></File>
|
||||
<File RelativePath="spandsp/t31.h"></File>
|
||||
<File RelativePath="spandsp/t35.h"></File>
|
||||
<File RelativePath="spandsp/t38_core.h"></File>
|
||||
<File RelativePath="spandsp/t38_gateway.h"></File>
|
||||
<File RelativePath="spandsp/t38_non_ecm_buffer.h"></File>
|
||||
<File RelativePath="spandsp/t38_terminal.h"></File>
|
||||
<File RelativePath="spandsp/telephony.h"></File>
|
||||
<File RelativePath="spandsp/time_scale.h"></File>
|
||||
<File RelativePath="spandsp/timing.h"></File>
|
||||
<File RelativePath="spandsp/tone_detect.h"></File>
|
||||
<File RelativePath="spandsp/tone_generate.h"></File>
|
||||
<File RelativePath="spandsp/v17rx.h"></File>
|
||||
<File RelativePath="spandsp/v17tx.h"></File>
|
||||
<File RelativePath="spandsp/v22bis.h"></File>
|
||||
<File RelativePath="spandsp/v27ter_rx.h"></File>
|
||||
<File RelativePath="spandsp/v27ter_tx.h"></File>
|
||||
<File RelativePath="spandsp/v29rx.h"></File>
|
||||
<File RelativePath="spandsp/v29tx.h"></File>
|
||||
<File RelativePath="spandsp/v42.h"></File>
|
||||
<File RelativePath="spandsp/v42bis.h"></File>
|
||||
<File RelativePath="spandsp/v8.h"></File>
|
||||
<File RelativePath="spandsp/vector_float.h"></File>
|
||||
<File RelativePath="spandsp/vector_int.h"></File>
|
||||
<File RelativePath="spandsp/version.h"></File>
|
||||
<File RelativePath="spandsp.h"></File>
|
||||
</Filter>
|
||||
<Filter
|
||||
Name="Resource Files"
|
||||
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
|
||||
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
|
||||
>
|
||||
</Filter>
|
||||
<File
|
||||
RelativePath=".\src\msvc\spandsp.def"
|
||||
>
|
||||
</File>
|
||||
</Files>
|
||||
<Globals>
|
||||
</Globals>
|
||||
</VisualStudioProject>
|
||||
|
|
@ -28,7 +28,7 @@
|
|||
* Computer Science, Speech Group
|
||||
* Chengxiang Lu and Alex Hauptmann
|
||||
*
|
||||
* $Id: g722.h,v 1.20 2008/09/19 14:02:05 steveu Exp $
|
||||
* $Id: g722.h,v 1.21 2008/09/19 16:24:25 steveu Exp $
|
||||
*/
|
||||
|
||||
|
||||
|
|
@ -59,15 +59,15 @@ enum
|
|||
/*! The per band parameters for both encoding and decoding G.722 */
|
||||
typedef struct
|
||||
{
|
||||
int16_t s;
|
||||
int16_t sz;
|
||||
int16_t r[3];
|
||||
int16_t a[3];
|
||||
int16_t p[3];
|
||||
int16_t d[7];
|
||||
int16_t b[7];
|
||||
int16_t nb;
|
||||
int16_t det;
|
||||
int16_t s;
|
||||
int16_t sz;
|
||||
int16_t r;
|
||||
int16_t p[2];
|
||||
int16_t a[2];
|
||||
int16_t b[6];
|
||||
int16_t d[7];
|
||||
} g722_band_t;
|
||||
|
||||
typedef struct
|
||||
|
|
|
|||
|
|
@ -30,8 +30,8 @@
|
|||
|
||||
/* The date and time of the version are in UTC form. */
|
||||
|
||||
#define SPANDSP_RELEASE_DATE 20080919
|
||||
#define SPANDSP_RELEASE_TIME 142905
|
||||
#define SPANDSP_RELEASE_DATE 20080920
|
||||
#define SPANDSP_RELEASE_TIME 154737
|
||||
|
||||
#endif
|
||||
/*- End of file ------------------------------------------------------------*/
|
||||
|
|
|
|||
|
|
@ -0,0 +1,81 @@
|
|||
/*
|
||||
* SpanDSP - a series of DSP components for telephony
|
||||
*
|
||||
* complex.c
|
||||
*
|
||||
* Written by Steve Underwood <steveu@coppice.org>
|
||||
*
|
||||
* Copyright (C) 2008 Steve Underwood
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*
|
||||
* $Id: complex_tests.c,v 1.1 2008/09/18 12:09:51 steveu Exp $
|
||||
*/
|
||||
|
||||
/*! \page complex_tests_page Complex arithmetic tests
|
||||
\section complex_tests_page_sec_1 What does it do?
|
||||
|
||||
\section complex_tests_page_sec_2 How is it used?
|
||||
*/
|
||||
|
||||
#if defined(HAVE_CONFIG_H)
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <fcntl.h>
|
||||
#include <string.h>
|
||||
#include "floating_fudge.h"
|
||||
#if defined(HAVE_TGMATH_H)
|
||||
#include <tgmath.h>
|
||||
#endif
|
||||
#if defined(HAVE_MATH_H)
|
||||
#include <math.h>
|
||||
#endif
|
||||
#include <assert.h>
|
||||
|
||||
#include "spandsp.h"
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
complexf_t fa;
|
||||
complexf_t fb;
|
||||
complexf_t fz;
|
||||
complexi16_t i16a;
|
||||
complexi16_t i16b;
|
||||
complexi16_t i16z;
|
||||
#if 0
|
||||
complexi32_t i32a;
|
||||
complexi32_t i32b;
|
||||
complexi32_t i32z;
|
||||
#endif
|
||||
|
||||
fa = complex_setf(0.5f, 0.25f);
|
||||
fb = complex_setf(0.25f, 0.5f);
|
||||
fz = complex_mulf(&fa, &fb);
|
||||
printf("(%f, %f) * (%f, %f) => (%f, %f)\n", fa.re, fa.im, fb.re, fb.im, fz.re, fz.im);
|
||||
|
||||
i16a = complex_seti16(16383, 8191);
|
||||
i16b = complex_seti16(8191, 16383);
|
||||
i16z = complex_mul_q1_15(&i16a, &i16b);
|
||||
printf("(%f, %f) * (%f, %f) => (%f, %f)\n", i16a.re/32768.0, i16a.im/32768.0, i16b.re/32768.0, i16b.im/32768.0, i16z.re/32768.0, i16z.im/32768.0);
|
||||
|
||||
printf("Tests passed.\n");
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
/*- End of file ------------------------------------------------------------*/
|
||||
|
|
@ -0,0 +1,99 @@
|
|||
/*
|
||||
* SpanDSP - a series of DSP components for telephony
|
||||
*
|
||||
* complex_vector_float_tests.c
|
||||
*
|
||||
* Written by Steve Underwood <steveu@coppice.org>
|
||||
*
|
||||
* Copyright (C) 2006,2008 Steve Underwood
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*
|
||||
* $Id: complex_vector_float_tests.c,v 1.1 2008/09/18 12:05:35 steveu Exp $
|
||||
*/
|
||||
|
||||
#if defined(HAVE_CONFIG_H)
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <fcntl.h>
|
||||
#include <string.h>
|
||||
#include <audiofile.h>
|
||||
|
||||
#include "spandsp.h"
|
||||
|
||||
static complexf_t cvec_dot_prodf_dumb(const complexf_t x[], const complexf_t y[], int n)
|
||||
{
|
||||
int i;
|
||||
complexf_t z;
|
||||
complexf_t z1;
|
||||
|
||||
z = complex_setf(0.0f, 0.0f);
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
z1 = complex_mulf(&x[i], &y[i]);
|
||||
z = complex_addf(&z, &z1);
|
||||
}
|
||||
return z;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
static int test_cvec_dot_prodf(void)
|
||||
{
|
||||
int i;
|
||||
complexf_t x[100];
|
||||
complexf_t y[100];
|
||||
complexf_t zsa;
|
||||
complexf_t zsb;
|
||||
complexf_t ratio;
|
||||
|
||||
for (i = 0; i < 99; i++)
|
||||
{
|
||||
x[i].re = rand();
|
||||
x[i].im = rand();
|
||||
y[i].re = rand();
|
||||
y[i].im = rand();
|
||||
}
|
||||
for (i = 1; i < 99; i++)
|
||||
{
|
||||
zsa = cvec_dot_prodf(x, y, i);
|
||||
zsb = cvec_dot_prodf_dumb(x, y, i);
|
||||
ratio.re = zsa.re/zsb.re;
|
||||
ratio.im = zsa.im/zsb.im;
|
||||
if ((ratio.re < 0.9999 || ratio.re > 1.0001)
|
||||
||
|
||||
(ratio.im < 0.9999 || ratio.im > 1.0001))
|
||||
{
|
||||
printf("vec_dot_prod() - (%f,%f) (%f,%f)\n", zsa.re, zsa.im, zsb.re, zsb.im);
|
||||
printf("Tests failed\n");
|
||||
exit(2);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
test_cvec_dot_prodf();
|
||||
|
||||
printf("Tests passed.\n");
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
/*- End of file ------------------------------------------------------------*/
|
||||
|
|
@ -0,0 +1,137 @@
|
|||
/*
|
||||
* SpanDSP - a series of DSP components for telephony
|
||||
*
|
||||
* complex_vector_int_tests.c
|
||||
*
|
||||
* Written by Steve Underwood <steveu@coppice.org>
|
||||
*
|
||||
* Copyright (C) 2006 Steve Underwood
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*
|
||||
* $Id: complex_vector_int_tests.c,v 1.1 2008/09/18 12:05:35 steveu Exp $
|
||||
*/
|
||||
|
||||
#if defined(HAVE_CONFIG_H)
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <fcntl.h>
|
||||
#include <string.h>
|
||||
#include <audiofile.h>
|
||||
|
||||
#include "spandsp.h"
|
||||
|
||||
static complexi32_t cvec_dot_prodi16_dumb(const complexi16_t x[], const complexi16_t y[], int n)
|
||||
{
|
||||
complexi32_t z;
|
||||
int i;
|
||||
|
||||
z = complex_seti32(0, 0);
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
z.re += ((int32_t) x[i].re*(int32_t) y[i].re - (int32_t) x[i].im*(int32_t) y[i].im);
|
||||
z.im += ((int32_t) x[i].re*(int32_t) y[i].im + (int32_t) x[i].im*(int32_t) y[i].re);
|
||||
}
|
||||
return z;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
static int test_cvec_dot_prodi16(void)
|
||||
{
|
||||
int i;
|
||||
complexi32_t za;
|
||||
complexi32_t zb;
|
||||
complexi16_t x[99];
|
||||
complexi16_t y[99];
|
||||
|
||||
for (i = 0; i < 99; i++)
|
||||
{
|
||||
x[i].re = rand();
|
||||
x[i].im = rand();
|
||||
y[i].re = rand();
|
||||
y[i].im = rand();
|
||||
}
|
||||
|
||||
for (i = 1; i < 99; i++)
|
||||
{
|
||||
za = cvec_dot_prodi16(x, y, i);
|
||||
zb = cvec_dot_prodi16_dumb(x, y, i);
|
||||
if (za.re != zb.re || za.im != zb.im)
|
||||
{
|
||||
printf("Tests failed\n");
|
||||
exit(2);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
static int test_cvec_circular_dot_prodi16(void)
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
int pos;
|
||||
int len;
|
||||
complexi32_t za;
|
||||
complexi32_t zb;
|
||||
complexi16_t x[99];
|
||||
complexi16_t y[99];
|
||||
|
||||
/* Verify that we can do circular sample buffer "dot" linear coefficient buffer
|
||||
operations properly, by doing two sub-dot products. */
|
||||
for (i = 0; i < 99; i++)
|
||||
{
|
||||
x[i].re = rand();
|
||||
x[i].im = rand();
|
||||
y[i].re = rand();
|
||||
y[i].im = rand();
|
||||
}
|
||||
|
||||
len = 95;
|
||||
for (pos = 0; pos < len; pos++)
|
||||
{
|
||||
za = cvec_circular_dot_prodi16(x, y, len, pos);
|
||||
zb = complex_seti32(0, 0);
|
||||
for (i = 0; i < len; i++)
|
||||
{
|
||||
j = (pos + i) % len;
|
||||
zb.re += ((int32_t) x[j].re*(int32_t) y[i].re - (int32_t) x[j].im*(int32_t) y[i].im);
|
||||
zb.im += ((int32_t) x[j].re*(int32_t) y[i].im + (int32_t) x[j].im*(int32_t) y[i].re);
|
||||
}
|
||||
|
||||
if (za.re != zb.re || za.im != zb.im)
|
||||
{
|
||||
printf("Tests failed\n");
|
||||
exit(2);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
test_cvec_dot_prodi16();
|
||||
test_cvec_circular_dot_prodi16();
|
||||
|
||||
printf("Tests passed.\n");
|
||||
return 0;
|
||||
}
|
||||
/*- End of function --------------------------------------------------------*/
|
||||
/*- End of file ------------------------------------------------------------*/
|
||||
Loading…
Reference in New Issue