freeswitch/libs/spandsp/tests/super_tone_tx_tests.c
Michael Jerris 314ae8b6f3 update to snapshot spandsp-20090128
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11535 d0543943-73ff-0310-b7d9-9358b9ac24b2
2009-01-28 04:48:03 +00:00

307 lines
8.5 KiB
C

/*
* 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 1.24 2008/11/30 10:17:31 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?
*/
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <strings.h>
#include <ctype.h>
#include <time.h>
#include <inttypes.h>
#include <sys/socket.h>
#include <audiofile.h>
#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
//#if defined(WITH_SPANDSP_INTERNALS)
#define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
//#endif
#include "spandsp.h"
#include "spandsp-sim.h"
#define OUT_FILE_NAME "super_tone.wav"
AFfilehandle outhandle;
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 ((outhandle = afOpenFile_telephony_write(OUT_FILE_NAME, 1)) == 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);
}
printf("Done\n");
return 0;
}
/*- End of function --------------------------------------------------------*/
/*- End of file ------------------------------------------------------------*/