[Freeswitch-svn] [commit] r9771 - in freeswitch/trunk/libs/spandsp: . doc src src/spandsp tests

Freeswitch SVN anthm at freeswitch.org
Wed Oct 1 00:06:53 EDT 2008


Author: anthm
Date: Wed Oct  1 00:06:53 2008
New Revision: 9771

Added:
   freeswitch/trunk/libs/spandsp/src/complex_vector_int.c
   freeswitch/trunk/libs/spandsp/src/g722.c
   freeswitch/trunk/libs/spandsp/src/libspandsp.vcproj
   freeswitch/trunk/libs/spandsp/tests/complex_tests.c
   freeswitch/trunk/libs/spandsp/tests/complex_vector_float_tests.c
   freeswitch/trunk/libs/spandsp/tests/complex_vector_int_tests.c
Modified:
   freeswitch/trunk/libs/spandsp/.update
   freeswitch/trunk/libs/spandsp/Makefile.am
   freeswitch/trunk/libs/spandsp/doc/Makefile.am
   freeswitch/trunk/libs/spandsp/src/Makefile.am
   freeswitch/trunk/libs/spandsp/src/spandsp/g722.h
   freeswitch/trunk/libs/spandsp/src/spandsp/version.h

Log:
update to snapshot spandsp-20080920.tar.gz

Modified: freeswitch/trunk/libs/spandsp/.update
==============================================================================
--- freeswitch/trunk/libs/spandsp/.update	(original)
+++ freeswitch/trunk/libs/spandsp/.update	Wed Oct  1 00:06:53 2008
@@ -1 +1 @@
-Tue Sep 30 23:59:24 EDT 2008
+Wed Oct  1 00:06:28 EDT 2008

Modified: freeswitch/trunk/libs/spandsp/Makefile.am
==============================================================================
--- freeswitch/trunk/libs/spandsp/Makefile.am	(original)
+++ freeswitch/trunk/libs/spandsp/Makefile.am	Wed Oct  1 00:06:53 2008
@@ -16,7 +16,7 @@
 ## License along with this program; if not, write to the Free Software
 ## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 ##
-## $Id: Makefile.am,v 1.40 2008/07/15 14:28:20 steveu Exp $
+## $Id: Makefile.am,v 1.43 2008/09/20 15:44:40 steveu Exp $
 
 AM_CFLAGS = $(COMP_VENDOR_CFLAGS)
 AM_LDFLAGS = $(COMP_VENDOR_LDFLAGS)
@@ -30,26 +30,10 @@
              README.testdata \
              spandsp.spec \
              wrapper.xsl \
-             libspandsp.vcproj \
              unpack_g722_data.sh \
              unpack_g726_data.sh \
              unpack_gsm0610_data.sh \
              unpack_v56ter_data.sh \
-             doc/doxygen.in \
-             src/floating_fudge.h \
-             src/spandsp/version.h.in \
-             src/libspandsp.dsp \
-             src/libspandsp.sln \
-             src/msvc/gettimeofday.c \
-             src/msvc/inttypes.h \
-             src/msvc/tgmath.h \
-             src/msvc/unistd.h \
-             src/msvc/sys/time.h \
-             src/msvc/spandsp.def \
-             src/msvc/msvcproj.head \
-             src/msvc/msvcproj.foot \
-             src/msvc/vc8proj.head \
-             src/msvc/vc8proj.foot \
              spandsp/global-tones.xml \
              spandsp/tones.dtd \
              spandsp/tsb85.xml \

Modified: freeswitch/trunk/libs/spandsp/doc/Makefile.am
==============================================================================
--- freeswitch/trunk/libs/spandsp/doc/Makefile.am	(original)
+++ freeswitch/trunk/libs/spandsp/doc/Makefile.am	Wed Oct  1 00:06:53 2008
@@ -16,11 +16,12 @@
 ## License along with this program; if not, write to the Free Software
 ## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 ##
-## $Id: Makefile.am,v 1.11 2008/06/21 10:28:34 steveu Exp $
+## $Id: Makefile.am,v 1.12 2008/09/20 15:44:40 steveu Exp $
 
 MAINTAINERCLEANFILES = Makefile.in
 
 EXTRA_DIST = css.css \
+             doxygen.in \
              t38-gateway.dia \
              t38-terminal.dia \
              t38_manual.xml \

Modified: freeswitch/trunk/libs/spandsp/src/Makefile.am
==============================================================================
--- freeswitch/trunk/libs/spandsp/src/Makefile.am	(original)
+++ freeswitch/trunk/libs/spandsp/src/Makefile.am	Wed Oct  1 00:06:53 2008
@@ -16,13 +16,29 @@
 ## License along with this program; if not, write to the Free Software
 ## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 ##
-## $Id: Makefile.am,v 1.103 2008/09/19 14:02:05 steveu Exp $
+## $Id: Makefile.am,v 1.104 2008/09/20 15:44:40 steveu Exp $
 
 AM_CFLAGS = $(COMP_VENDOR_CFLAGS)
 AM_LDFLAGS = $(COMP_VENDOR_LDFLAGS)
 
 MAINTAINERCLEANFILES = Makefile.in
 
+EXTRA_DIST = floating_fudge.h \
+             spandsp/version.h.in \
+             libspandsp.dsp \
+             libspandsp.sln \
+             libspandsp.vcproj \
+             msvc/gettimeofday.c \
+             msvc/inttypes.h \
+             msvc/tgmath.h \
+             msvc/unistd.h \
+             msvc/sys/time.h \
+             msvc/spandsp.def \
+             msvc/msvcproj.head \
+             msvc/msvcproj.foot \
+             msvc/vc8proj.head \
+             msvc/vc8proj.foot
+
 INCLUDES = -I$(top_builddir)
 
 lib_LTLIBRARIES = libspandsp.la

Added: freeswitch/trunk/libs/spandsp/src/complex_vector_int.c
==============================================================================
--- (empty file)
+++ freeswitch/trunk/libs/spandsp/src/complex_vector_int.c	Wed Oct  1 00:06:53 2008
@@ -0,0 +1,113 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * complex_vector_int.c - Integer complex vector arithmetic routines.
+ *
+ * Written by Steve Underwood <steveu at 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 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.
+ *
+ * $Id: complex_vector_int.c,v 1.3 2008/09/18 13:54:32 steveu Exp $
+ */
+
+/*! \file */
+
+#if defined(HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdio.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/telephony.h"
+#include "spandsp/logging.h"
+#include "spandsp/complex.h"
+#include "spandsp/vector_int.h"
+#include "spandsp/complex_vector_int.h"
+
+complexi32_t cvec_dot_prodi16(const complexi16_t x[], const complexi16_t y[], int n)
+{
+    int i;
+    complexi32_t z;
+
+    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 --------------------------------------------------------*/
+
+complexi32_t cvec_dot_prodi32(const complexi32_t x[], const complexi32_t y[], int n)
+{
+    int i;
+    complexi32_t z;
+
+    z = complex_seti32(0, 0);
+    for (i = 0;  i < n;  i++)
+    {
+        z.re += (x[i].re*y[i].re - x[i].im*y[i].im);
+        z.im += (x[i].re*y[i].im + x[i].im*y[i].re);
+    }
+    return z;
+}
+/*- End of function --------------------------------------------------------*/
+
+complexi32_t cvec_circular_dot_prodi16(const complexi16_t x[], const complexi16_t y[], int n, int pos)
+{
+    complexi32_t z;
+    complexi32_t z1;
+
+    z = cvec_dot_prodi16(&x[pos], &y[0], n - pos);
+    z1 = cvec_dot_prodi16(&x[0], &y[n - pos], pos);
+    z = complex_addi32(&z, &z1);
+    return z;
+}
+/*- End of function --------------------------------------------------------*/
+
+void cvec_lmsi16(const complexi16_t x[], complexi16_t y[], int n, const complexi16_t *error)
+{
+    int i;
+
+    for (i = 0;  i < n;  i++)
+    {
+        y[i].re += ((int32_t) x[i].im*(int32_t) error->im + (int32_t) x[i].re*(int32_t) error->re) >> 12;
+        y[i].im += ((int32_t) x[i].re*(int32_t) error->im - (int32_t) x[i].im*(int32_t) error->re) >> 12;
+    }
+}
+/*- End of function --------------------------------------------------------*/
+
+void cvec_circular_lmsi16(const complexi16_t x[], complexi16_t y[], int n, int pos, const complexi16_t *error)
+{
+    cvec_lmsi16(&x[pos], &y[0], n - pos, error);
+    cvec_lmsi16(&x[0], &y[n - pos], pos, error);
+}
+/*- End of function --------------------------------------------------------*/
+/*- End of file ------------------------------------------------------------*/

Added: freeswitch/trunk/libs/spandsp/src/g722.c
==============================================================================
--- (empty file)
+++ freeswitch/trunk/libs/spandsp/src/g722.c	Wed Oct  1 00:06:53 2008
@@ -0,0 +1,609 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * g722.c - The ITU G.722 codec.
+ *
+ * Written by Steve Underwood <steveu at coppice.org>
+ *
+ * Copyright (C) 2005 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * 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.
+ *
+ * Based in part on a single channel G.722 codec which is:
+ *
+ * Copyright (c) CMU 1993
+ * Computer Science, Speech Group
+ * Chengxiang Lu and Alex Hauptmann
+ *
+ * $Id: g722.c,v 1.2 2008/09/19 16:24:25 steveu Exp $
+ */
+
+/*! \file */
+
+#if defined(HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#include <inttypes.h>
+#include <memory.h>
+#include <stdlib.h>
+#include "floating_fudge.h"
+#if defined(HAVE_TGMATH_H)
+#include <tgmath.h>
+#endif
+#if defined(HAVE_MATH_H)
+#include <math.h>
+#endif
+
+#include "spandsp/telephony.h"
+#include "spandsp/saturated.h"
+#include "spandsp/vector_int.h"
+#include "spandsp/g722.h"
+
+static const int16_t qmf_coeffs_fwd[12] =
+{
+      3,  -11,   12,   32, -210,  951, 3876, -805,  362, -156,   53,  -11,
+};
+
+static const int16_t qmf_coeffs_rev[12] =
+{
+    -11,   53, -156,  362, -805, 3876,  951, -210,   32,   12,  -11,    3
+};
+
+static const int16_t qm2[4] =
+{
+    -7408,  -1616,   7408,   1616
+};
+
+static const int16_t qm4[16] =
+{
+         0, -20456, -12896,  -8968,
+     -6288,  -4240,  -2584,  -1200,
+     20456,  12896,   8968,   6288,
+      4240,   2584,   1200,      0
+};
+
+static const int16_t qm5[32] =
+{
+      -280,   -280, -23352, -17560,
+    -14120, -11664,  -9752,  -8184,
+     -6864,  -5712,  -4696,  -3784,
+     -2960,  -2208,  -1520,   -880,
+     23352,  17560,  14120,  11664,
+      9752,   8184,   6864,   5712,
+      4696,   3784,   2960,   2208,
+      1520,    880,    280,   -280
+};
+
+static const int16_t qm6[64] =
+{
+      -136,   -136,   -136,   -136,
+    -24808, -21904, -19008, -16704,
+    -14984, -13512, -12280, -11192,
+    -10232,  -9360,  -8576,  -7856,
+     -7192,  -6576,  -6000,  -5456,
+     -4944,  -4464,  -4008,  -3576,
+     -3168,  -2776,  -2400,  -2032,
+     -1688,  -1360,  -1040,   -728,
+     24808,  21904,  19008,  16704,
+     14984,  13512,  12280,  11192,
+     10232,   9360,   8576,   7856,
+      7192,   6576,   6000,   5456,
+      4944,   4464,   4008,   3576,
+      3168,   2776,   2400,   2032,
+      1688,   1360,   1040,    728,
+       432,    136,   -432,   -136
+};
+
+static const int16_t q6[32] =
+{
+         0,     35,     72,    110,
+       150,    190,    233,    276,
+       323,    370,    422,    473,
+       530,    587,    650,    714,
+       786,    858,    940,   1023,
+      1121,   1219,   1339,   1458,
+      1612,   1765,   1980,   2195,
+      2557,   2919,      0,      0
+};
+
+static const int16_t ilb[32] =
+{
+      2048,   2093,   2139,   2186,
+      2233,   2282,   2332,   2383,
+      2435,   2489,   2543,   2599,
+      2656,   2714,   2774,   2834,
+      2896,   2960,   3025,   3091,
+      3158,   3228,   3298,   3371,
+      3444,   3520,   3597,   3676,
+      3756,   3838,   3922,   4008
+};
+
+static const int16_t iln[32] =
+{
+     0, 63, 62, 31, 30, 29, 28, 27,
+    26, 25, 24, 23, 22, 21, 20, 19,
+    18, 17, 16, 15, 14, 13, 12, 11,
+    10,  9,  8,  7,  6,  5,  4,  0
+};
+
+static const int16_t ilp[32] =
+{
+     0, 61, 60, 59, 58, 57, 56, 55,
+    54, 53, 52, 51, 50, 49, 48, 47,
+    46, 45, 44, 43, 42, 41, 40, 39,
+    38, 37, 36, 35, 34, 33, 32,  0
+};
+
+static const int16_t ihn[3] =
+{
+    0,  1,  0
+};
+
+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);
+    /* 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;
+    ap[1] = wd3;
+
+    /* UPPOL1 */
+    wd1 = ((p ^ s->p[0]) & 0x8000)  ?  -192  :  192;
+    wd2 = ((int32_t) s->a[0]*(int32_t) 32640) >> 15;
+    ap[0] = saturated_add16(wd1, wd2);
+
+    wd3 = saturated_sub16(15360, ap[1]);
+    if (abs(ap[0]) > wd3)
+        ap[0] = (ap[0] < 0)  ?  -wd3  :  wd3;
+
+    /* FILTEP */
+    wd1 = saturated_add16(r, r);
+    wd1 = ((int32_t) ap[0]*(int32_t) wd1) >> 15;
+    wd2 = saturated_add16(s->r, s->r);
+    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 ------------------------------------------------------------*/

Added: freeswitch/trunk/libs/spandsp/src/libspandsp.vcproj
==============================================================================
--- (empty file)
+++ freeswitch/trunk/libs/spandsp/src/libspandsp.vcproj	Wed Oct  1 00:06:53 2008
@@ -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>

Modified: freeswitch/trunk/libs/spandsp/src/spandsp/g722.h
==============================================================================
--- freeswitch/trunk/libs/spandsp/src/spandsp/g722.h	(original)
+++ freeswitch/trunk/libs/spandsp/src/spandsp/g722.h	Wed Oct  1 00:06:53 2008
@@ -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 @@
 /*! The per band parameters for both encoding and decoding G.722 */
 typedef struct
 {
+    int16_t nb;
+    int16_t det;
     int16_t s;
     int16_t sz;
-    int16_t r[3];
-    int16_t a[3];
-    int16_t p[3];
+    int16_t r;
+    int16_t p[2];
+    int16_t a[2];
+    int16_t b[6];
     int16_t d[7];
-    int16_t b[7];
-    int16_t nb;
-    int16_t det;
 } g722_band_t;
 
 typedef struct

Modified: freeswitch/trunk/libs/spandsp/src/spandsp/version.h
==============================================================================
--- freeswitch/trunk/libs/spandsp/src/spandsp/version.h	(original)
+++ freeswitch/trunk/libs/spandsp/src/spandsp/version.h	Wed Oct  1 00:06:53 2008
@@ -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 ------------------------------------------------------------*/

Added: freeswitch/trunk/libs/spandsp/tests/complex_tests.c
==============================================================================
--- (empty file)
+++ freeswitch/trunk/libs/spandsp/tests/complex_tests.c	Wed Oct  1 00:06:53 2008
@@ -0,0 +1,81 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * complex.c
+ *
+ * Written by Steve Underwood <steveu at 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 ------------------------------------------------------------*/

Added: freeswitch/trunk/libs/spandsp/tests/complex_vector_float_tests.c
==============================================================================
--- (empty file)
+++ freeswitch/trunk/libs/spandsp/tests/complex_vector_float_tests.c	Wed Oct  1 00:06:53 2008
@@ -0,0 +1,99 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * complex_vector_float_tests.c
+ *
+ * Written by Steve Underwood <steveu at 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 ------------------------------------------------------------*/

Added: freeswitch/trunk/libs/spandsp/tests/complex_vector_int_tests.c
==============================================================================
--- (empty file)
+++ freeswitch/trunk/libs/spandsp/tests/complex_vector_int_tests.c	Wed Oct  1 00:06:53 2008
@@ -0,0 +1,137 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * complex_vector_int_tests.c
+ *
+ * Written by Steve Underwood <steveu at 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 ------------------------------------------------------------*/



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