304 lines
8.6 KiB
C
304 lines
8.6 KiB
C
/*
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* SpanDSP - a series of DSP components for telephony
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*
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* super_tone_generate_tests.c
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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) 2003 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 General Public License version 2, as
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* 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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* 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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/*! \file */
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/*! \page super_tone_tx_tests_page Supervisory tone generation tests
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\section super_tone_tx_tests_page_sec_1 What does it do?
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*/
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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 <fcntl.h>
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#include <string.h>
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#include <strings.h>
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#include <ctype.h>
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#include <time.h>
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#include <inttypes.h>
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#include <sndfile.h>
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#if defined(HAVE_LIBXML_XMLMEMORY_H)
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#include <libxml/xmlmemory.h>
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#endif
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#if defined(HAVE_LIBXML_PARSER_H)
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#include <libxml/parser.h>
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#endif
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#if defined(HAVE_LIBXML_XINCLUDE_H)
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#include <libxml/xinclude.h>
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#endif
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#include "spandsp.h"
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#include "spandsp-sim.h"
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#define OUT_FILE_NAME "super_tone.wav"
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SNDFILE *outhandle;
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super_tone_tx_step_t *tone_tree = NULL;
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#if defined(HAVE_LIBXML2)
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static void play_tones(super_tone_tx_state_t *tone, int max_samples)
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{
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int16_t amp[8000];
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int len;
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int outframes;
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int i;
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int total_length;
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i = 500;
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total_length = 0;
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do
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{
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len = super_tone_tx(tone, amp, 160);
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outframes = sf_writef_short(outhandle, amp, len);
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if (outframes != len)
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{
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fprintf(stderr, " Error writing audio file\n");
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exit(2);
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}
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total_length += len;
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}
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while (len > 0 && --i > 0);
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printf("Tone length = %d samples (%dms)\n", total_length, total_length/8);
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}
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/*- End of function --------------------------------------------------------*/
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static int parse_tone(super_tone_tx_step_t **tree, xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
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{
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xmlChar *x;
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float f1;
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float f2;
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float f_tol;
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float l1;
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float l2;
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float length;
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float length_tol;
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int cycles;
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super_tone_tx_step_t *treep;
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cur = cur->xmlChildrenNode;
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while (cur)
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{
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if (xmlStrcmp(cur->name, (const xmlChar *) "step") == 0)
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{
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printf("Step - ");
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/* Set some defaults */
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f1 = 0.0;
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f2 = 0.0;
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f_tol = 1.0;
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l1 = -11.0;
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l2 = -11.0;
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length = 0.0;
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length_tol = 10.0;
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cycles = 1;
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if ((x = xmlGetProp(cur, (const xmlChar *) "freq")))
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{
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sscanf((char *) x, "%f [%f%%]", &f1, &f_tol);
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sscanf((char *) x, "%f+%f [%f%%]", &f1, &f2, &f_tol);
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printf("Frequency=%.2f+%.2f [%.2f%%]", f1, f2, f_tol);
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xmlFree(x);
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}
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if ((x = xmlGetProp(cur, (const xmlChar *) "level")))
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{
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if (sscanf((char *) x, "%f+%f", &l1, &l2) < 2)
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l2 = l1;
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printf("Level=%.2f+%.2f", l1, l2);
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xmlFree(x);
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}
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if ((x = xmlGetProp(cur, (const xmlChar *) "length")))
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{
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sscanf((char *) x, "%f [%f%%]", &length, &length_tol);
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printf("Length=%.2f [%.2f%%]", length, length_tol);
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xmlFree(x);
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}
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if ((x = xmlGetProp(cur, (const xmlChar *) "recognition-length")))
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{
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printf("Recognition length='%s'", x);
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xmlFree(x);
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}
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if ((x = xmlGetProp(cur, (const xmlChar *) "cycles")))
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{
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if (strcasecmp((char *) x, "endless") == 0)
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cycles = 0;
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else
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cycles = atoi((char *) x);
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printf("Cycles=%d ", cycles);
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xmlFree(x);
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}
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if ((x = xmlGetProp(cur, (const xmlChar *) "recorded-announcement")))
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{
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printf("Recorded announcement='%s'", x);
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xmlFree(x);
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}
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printf("\n");
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treep = super_tone_tx_make_step(NULL,
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f1,
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l1,
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f2,
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l2,
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length*1000.0 + 0.5,
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cycles);
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*tree = treep;
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tree = &treep->next;
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parse_tone(&treep->nest, doc, ns, cur);
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}
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/*endif*/
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cur = cur->next;
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}
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/*endwhile*/
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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static void parse_tone_set(xmlDocPtr doc, xmlNsPtr ns, xmlNodePtr cur)
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{
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super_tone_tx_state_t tone;
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printf("Parsing tone set\n");
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cur = cur->xmlChildrenNode;
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while (cur)
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{
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if (strcmp((char *) cur->name + strlen((char *) cur->name) - 5, "-tone") == 0)
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{
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printf("Hit %s\n", cur->name);
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tone_tree = NULL;
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parse_tone(&tone_tree, doc, ns, cur);
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super_tone_tx_init(&tone, tone_tree);
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//printf("Len %p %p %d %d\n", (void *) tone.levels[0], (void *) tone_tree, tone_tree->length, tone_tree->tone);
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play_tones(&tone, 99999999);
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super_tone_tx_free_tone(tone_tree);
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}
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/*endif*/
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cur = cur->next;
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}
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/*endwhile*/
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}
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/*- End of function --------------------------------------------------------*/
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static void get_tone_set(const char *tone_file, const char *set_id)
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{
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xmlParserCtxtPtr ctxt;
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xmlDocPtr doc;
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xmlNsPtr ns;
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xmlNodePtr cur;
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xmlChar *x;
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ns = NULL;
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xmlKeepBlanksDefault(0);
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xmlCleanupParser();
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if ((ctxt = xmlNewParserCtxt()) == NULL)
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{
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fprintf(stderr, "Failed to allocate parser context\n");
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printf("Test failed\n");
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exit(2);
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}
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/* parse the file, activating the DTD validation option */
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if ((doc = xmlCtxtReadFile(ctxt, tone_file, NULL, XML_PARSE_XINCLUDE | XML_PARSE_DTDVALID)) == NULL)
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{
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fprintf(stderr, "Failed to read the XML document\n");
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printf("Test failed\n");
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exit(2);
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}
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if (ctxt->valid == 0)
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{
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fprintf(stderr, "Failed to validate the XML document\n");
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xmlFreeDoc(doc);
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xmlFreeParserCtxt(ctxt);
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printf("Test failed\n");
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exit(2);
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}
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xmlFreeParserCtxt(ctxt);
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/* Check the document is of the right kind */
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if ((cur = xmlDocGetRootElement(doc)) == NULL)
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{
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fprintf(stderr, "Empty document\n");
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xmlFreeDoc(doc);
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exit(2);
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}
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/*endif*/
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if (xmlStrcmp(cur->name, (const xmlChar *) "global-tones"))
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{
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fprintf(stderr, "Document of the wrong type, root node != global-tones");
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xmlFreeDoc(doc);
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exit(2);
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}
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/*endif*/
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cur = cur->xmlChildrenNode;
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while (cur && xmlIsBlankNode(cur))
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cur = cur->next;
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/*endwhile*/
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if (cur == NULL)
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exit(2);
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/*endif*/
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while (cur)
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{
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if (xmlStrcmp(cur->name, (const xmlChar *) "tone-set") == 0)
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{
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if ((x = xmlGetProp(cur, (const xmlChar *) "uncode")))
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{
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if (strcmp((char *) x, set_id) == 0)
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parse_tone_set(doc, ns, cur);
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/*endif*/
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xmlFree(x);
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}
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/*endif*/
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}
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/*endif*/
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cur = cur->next;
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}
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/*endwhile*/
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xmlFreeDoc(doc);
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}
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/*- End of function --------------------------------------------------------*/
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#endif
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int main(int argc, char *argv[])
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{
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if ((outhandle = sf_open_telephony_write(OUT_FILE_NAME, 1)) == NULL)
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{
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fprintf(stderr, " Cannot open audio file '%s'\n", OUT_FILE_NAME);
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exit(2);
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}
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#if defined(HAVE_LIBXML2)
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get_tone_set("../spandsp/global-tones.xml", (argc > 1) ? argv[1] : "hk");
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#endif
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if (sf_close_telephony(outhandle))
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{
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fprintf(stderr, " Cannot close audio file '%s'\n", OUT_FILE_NAME);
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exit(2);
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}
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printf("Done\n");
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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/*- End of file ------------------------------------------------------------*/
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