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/*
* SpanDSP - a series of DSP components for telephony
*
* bell_mf_tx_tests.c - Test the Bell MF generator.
*
* 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.
*/
/*! \file */
/*! \page bell_mf_tx_tests_page Bell MF generation tests
\section bell_mf_tx_tests_page_sec_1 What does it do?
???.
\section bell_mf_tx_tests_page_sec_2 How does it work?
???.
*/
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <time.h>
#include <sndfile.h>
//#if defined(WITH_SPANDSP_INTERNALS)
#define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
//#endif
#include "spandsp.h"
#include "spandsp-sim.h"
#define OUTPUT_FILE_NAME "bell_mf.wav"
int main(int argc, char *argv[])
{
bell_mf_tx_state_t *gen;
int16_t amp[16384];
int len;
SNDFILE *outhandle;
int add_digits;
if ((outhandle = sf_open_telephony_write(OUTPUT_FILE_NAME, 1)) == NULL)
{
fprintf(stderr, " Cannot open audio file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
gen = bell_mf_tx_init(NULL);
len = bell_mf_tx(gen, amp, 16384);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "123", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 16384);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "456", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "789", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "*#", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
add_digits = 1;
do
{
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
if (len > 0)
sf_writef_short(outhandle, amp, len);
if (add_digits)
{
if (bell_mf_tx_put(gen, "1234567890", -1))
{
printf("Digit buffer full\n");
add_digits = 0;
}
}
}
while (len > 0);
bell_mf_tx_init(gen);
len = bell_mf_tx(gen, amp, 16384);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "123", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 16384);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "456", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "789", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "0*#", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
if (bell_mf_tx_put(gen, "ABC", -1))
printf("Ooops\n");
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
sf_writef_short(outhandle, amp, len);
add_digits = 1;
do
{
len = bell_mf_tx(gen, amp, 160);
printf("Generated %d samples\n", len);
if (len > 0)
sf_writef_short(outhandle, amp, len);
if (add_digits)
{
if (bell_mf_tx_put(gen, "1234567890", -1))
{
printf("Digit buffer full\n");
add_digits = 0;
}
}
}
while (len > 0);
if (sf_close_telephony(outhandle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_FILE_NAME);
exit (2);
}
return 0;
}
/*- End of function --------------------------------------------------------*/
/*- End of file ------------------------------------------------------------*/
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