--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.3/spandsp-0.0.3/tests/super_tone_tx_tests.c	Fri Jun 25 16:00:21 2010 +0200
@@ -0,0 +1,321 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * super_tone_generate_tests.c
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2003 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: super_tone_tx_tests.c,v 1.16 2006/12/01 18:00:48 steveu Exp $
+ */
+
+/*! \file */
+
+/*! \page super_tone_tx_tests_page Supervisory tone generation tests
+\section super_tone_tx_tests_page_sec_1 What does it do?
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <time.h>
+#include <inttypes.h>
+#include <sys/socket.h>
+#if defined(HAVE_TGMATH_H)
+#include <tgmath.h>
+#endif
+#if defined(HAVE_MATH_H)
+#include <math.h>
+#endif
+
+#if defined(HAVE_LIBXML_XMLMEMORY_H)
+#include <libxml/xmlmemory.h>
+#endif
+#if defined(HAVE_LIBXML_PARSER_H)
+#include <libxml/parser.h>
+#endif
+#if defined(HAVE_LIBXML_XINCLUDE_H)
+#include <libxml/xinclude.h>
+#endif
+
+#include <audiofile.h>
+#include <tiffio.h>
+
+#include "spandsp.h"
+
+#define OUT_FILE_NAME   "super_tone.wav"
+
+AFfilehandle outhandle;
+AFfilesetup filesetup;
+
+super_tone_tx_step_t *tone_tree = NULL;
+
+static void play_tones(super_tone_tx_state_t *tone, int max_samples)
+{
+    int16_t amp[8000];
+    int len;
+    int outframes;
+    int i;
+    int total_length;
+
+    i = 500;
+    total_length = 0;
+    do
+    {
+        len = super_tone_tx(tone, amp, 160);
+        outframes = afWriteFrames(outhandle,
+                                  AF_DEFAULT_TRACK,
+                                  amp,
+                                  len);
+        if (outframes != len)
+        {
+            fprintf(stderr, "    Error writing wave file\n");
+            exit(2);
+        }
+        total_length += len;
+    }
+    while (len > 0  &&  --i > 0);
+    printf("Tone length = %d samples (%dms)\n", total_length, total_length/8);
+}
+/*- End of function --------------------------------------------------------*/
+
+#if defined(HAVE_LIBXML2)
+static int parse_tone(super_tone_tx_step_t **tree, xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
+{
+    xmlChar *x;
+    float f1;
+    float f2;
+    float f_tol;
+    float l1;
+    float l2;
+    float length;
+    float length_tol;
+    int cycles;
+    super_tone_tx_step_t *treep;
+
+    cur = cur->xmlChildrenNode;
+    while (cur)
+    {
+        if (xmlStrcmp(cur->name, (const xmlChar *) "step") == 0)
+        {
+            printf("Step - ");
+            /* Set some defaults */
+            f1 = 0.0;
+            f2 = 0.0;
+            f_tol = 1.0;
+            l1 = -11.0;
+            l2 = -11.0;
+            length = 0.0;
+            length_tol = 10.0;
+            cycles = 1;
+            if ((x = xmlGetProp(cur, (const xmlChar *) "freq")))
+            {
+                sscanf((char *) x, "%f [%f%%]", &f1, &f_tol);
+                sscanf((char *) x, "%f+%f [%f%%]", &f1, &f2, &f_tol);
+                printf("Frequency=%.2f+%.2f [%.2f%%]", f1, f2, f_tol);
+                xmlFree(x);
+            }
+            if ((x = xmlGetProp(cur, (const xmlChar *) "level")))
+            {
+                if (sscanf((char *) x, "%f+%f", &l1, &l2) < 2)
+                    l2 = l1;
+                printf("Level=%.2f+%.2f", l1, l2);
+                xmlFree(x);
+            }
+            if ((x = xmlGetProp(cur, (const xmlChar *) "length")))
+            {
+                sscanf((char *) x, "%f [%f%%]", &length, &length_tol);
+                printf("Length=%.2f [%.2f%%]", length, length_tol);
+                xmlFree(x);
+            }
+            if ((x = xmlGetProp(cur, (const xmlChar *) "recognition-length")))
+            {
+                printf("Recognition length='%s'", x);
+                xmlFree(x);
+            }
+            if ((x = xmlGetProp(cur, (const xmlChar *) "cycles")))
+            {
+                if (strcasecmp((char *) x, "endless") == 0)
+                    cycles = 0;
+                else
+                    cycles = atoi((char *) x);
+                printf("Cycles=%d ", cycles);
+                xmlFree(x);
+            }
+            if ((x = xmlGetProp(cur, (const xmlChar *) "recorded-announcement")))
+            {
+                printf("Recorded announcement='%s'", x);
+                xmlFree(x);
+            }
+            printf("\n");
+            treep = super_tone_tx_make_step(NULL,
+                                            f1,
+                                            l1,
+                                            f2,
+                                            l2,
+                                            length*1000.0 + 0.5,
+                                            cycles);
+            *tree = treep;
+            tree = &(treep->next);
+            parse_tone(&(treep->nest), doc, ns, cur);
+        }
+        /*endif*/
+        cur = cur->next;
+    }
+    /*endwhile*/
+    return  0;
+}
+/*- End of function --------------------------------------------------------*/
+
+static void parse_tone_set(xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
+{
+    super_tone_tx_state_t tone;
+
+    printf("Parsing tone set\n");
+    cur = cur->xmlChildrenNode;
+    while (cur)
+    {
+        if (strcmp((char *) cur->name + strlen((char *) cur->name) - 5, "-tone") == 0)
+        {
+            printf("Hit %s\n", cur->name);
+            tone_tree = NULL;
+            parse_tone(&tone_tree, doc, ns, cur);
+            super_tone_tx_init(&tone, tone_tree);
+printf("Len %p %p %d %d\n", (void *) tone.levels[0], (void *) tone_tree, tone_tree->length, tone_tree->tone);
+            play_tones(&tone, 99999999);
+            super_tone_tx_free(tone_tree);
+        }
+        /*endif*/
+        cur = cur->next;
+    }
+    /*endwhile*/
+}
+/*- End of function --------------------------------------------------------*/
+
+static void get_tone_set(const char *tone_file, const char *set_id)
+{
+    xmlDocPtr doc;
+    xmlNsPtr ns;
+    xmlNodePtr cur;
+#if 0
+    xmlValidCtxt valid;
+#endif
+    xmlChar *x;
+
+    ns = NULL;    
+    xmlKeepBlanksDefault(0);
+    xmlCleanupParser();
+    doc = xmlParseFile(tone_file);
+    if (doc == NULL)
+    {
+        fprintf(stderr, "No document\n");
+        exit(2);
+    }
+    /*endif*/
+    xmlXIncludeProcess(doc);
+#if 0
+    if (!xmlValidateDocument(&valid, doc))
+    {
+        fprintf(stderr, "Invalid document\n");
+        exit(2);
+    }
+    /*endif*/
+#endif
+    /* Check the document is of the right kind */
+    if ((cur = xmlDocGetRootElement(doc)) == NULL)
+    {
+        fprintf(stderr, "Empty document\n");
+        xmlFreeDoc(doc);
+        exit(2);
+    }
+    /*endif*/
+    if (xmlStrcmp(cur->name, (const xmlChar *) "global-tones"))
+    {
+        fprintf(stderr, "Document of the wrong type, root node != global-tones");
+        xmlFreeDoc(doc);
+        exit(2);
+    }
+    /*endif*/
+    cur = cur->xmlChildrenNode;
+    while (cur  &&  xmlIsBlankNode(cur))
+        cur = cur->next;
+    /*endwhile*/
+    if (cur == NULL)
+        exit(2);
+    /*endif*/
+    while (cur)
+    {
+        if (xmlStrcmp(cur->name, (const xmlChar *) "tone-set") == 0)
+        {
+            if ((x = xmlGetProp(cur, (const xmlChar *) "uncode")))
+            {
+                if (strcmp((char *) x, set_id) == 0)
+                    parse_tone_set(doc, ns, cur);
+                /*endif*/
+                xmlFree(x);
+            }
+            /*endif*/
+        }
+        /*endif*/
+        cur = cur->next;
+    }
+    /*endwhile*/
+    xmlFreeDoc(doc);
+}
+/*- End of function --------------------------------------------------------*/
+#endif
+
+int main(int argc, char *argv[])
+{
+    if ((filesetup = afNewFileSetup ()) == AF_NULL_FILESETUP)
+    {
+    	fprintf(stderr, "    Failed to create file setup\n");
+        exit(2);
+    }
+    afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
+    afInitRate(filesetup, AF_DEFAULT_TRACK, 8000.0);
+    afInitFileFormat(filesetup, AF_FILE_WAVE);
+    afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
+
+    if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
+    {
+        fprintf(stderr, "    Cannot open audio file '%s'\n", OUT_FILE_NAME);
+        exit(2);
+    }
+#if defined(HAVE_LIBXML2)
+    get_tone_set("../spandsp/global-tones.xml", (argc > 1)  ?  argv[1]  :  "hk");
+#endif
+    if (afCloseFile (outhandle) != 0)
+    {
+        fprintf(stderr, "    Cannot close audio file '%s'\n", OUT_FILE_NAME);
+        exit(2);
+    }
+    afFreeFileSetup(filesetup);
+    printf("Done\n");
+    return 0;
+}
+/*- End of function --------------------------------------------------------*/
+/*- End of file ------------------------------------------------------------*/