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freeswitch/libs/spandsp/tests/v8_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

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/*
* SpanDSP - a series of DSP components for telephony
*
* v8_tests.c
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2004 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: v8_tests.c,v 1.31 2008/11/30 10:17:31 steveu Exp $
*/
/*! \page v8_tests_page V.8 tests
\section v8_tests_page_sec_1 What does it do?
*/
/* Enable the following definition to enable direct probing into the FAX structures */
//#define WITH_SPANDSP_INTERNALS
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <audiofile.h>
//#if defined(WITH_SPANDSP_INTERNALS)
#define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
//#endif
#include "spandsp.h"
#include "spandsp-sim.h"
#define FALSE 0
#define TRUE (!FALSE)
#define SAMPLES_PER_CHUNK 160
#define OUTPUT_FILE_NAME "v8.wav"
int negotiations_ok = 0;
static void handler(void *user_data, v8_result_t *result)
{
const char *s;
s = (const char *) user_data;
if (result == NULL)
{
printf("%s V.8 negotiation failed\n", s);
return;
}
printf("%s V.8 negotiation result:\n", s);
printf(" Call function '%s'\n", v8_call_function_to_str(result->call_function));
printf(" Negotiated modulation '%s'\n", v8_modulation_to_str(result->negotiated_modulation));
printf(" Protocol '%s'\n", v8_protocol_to_str(result->protocol));
printf(" PSTN access '%s'\n", v8_pstn_access_to_str(result->pstn_access));
printf(" PCM modem availability '%s'\n", v8_pcm_modem_availability_to_str(result->pcm_modem_availability));
if (result->call_function == V8_CALL_V_SERIES
&&
result->negotiated_modulation == V8_MOD_V90
&&
result->protocol == V8_PROTOCOL_LAPM_V42)
{
negotiations_ok++;
}
}
int main(int argc, char *argv[])
{
int i;
int16_t amp[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
v8_state_t *v8_caller;
v8_state_t *v8_answerer;
int outframes;
int samples;
int remnant;
int caller_available_modulations;
int answerer_available_modulations;
AFfilehandle inhandle;
AFfilehandle outhandle;
int opt;
char *decode_test_file;
logging_state_t *logging;
decode_test_file = NULL;
while ((opt = getopt(argc, argv, "d:")) != -1)
{
switch (opt)
{
case 'd':
decode_test_file = optarg;
break;
default:
//usage();
exit(2);
break;
}
}
caller_available_modulations = V8_MOD_V17
| V8_MOD_V21
| V8_MOD_V22
| V8_MOD_V23HALF
| V8_MOD_V23
| V8_MOD_V26BIS
| V8_MOD_V26TER
| V8_MOD_V27TER
| V8_MOD_V29
| V8_MOD_V32
| V8_MOD_V34HALF
| V8_MOD_V34
| V8_MOD_V90
| V8_MOD_V92;
answerer_available_modulations = V8_MOD_V17
| V8_MOD_V21
| V8_MOD_V22
| V8_MOD_V23HALF
| V8_MOD_V23
| V8_MOD_V26BIS
| V8_MOD_V26TER
| V8_MOD_V27TER
| V8_MOD_V29
| V8_MOD_V32
| V8_MOD_V34HALF
| V8_MOD_V34
| V8_MOD_V90
| V8_MOD_V92;
if (decode_test_file == NULL)
{
if ((outhandle = afOpenFile_telephony_write(OUTPUT_FILE_NAME, 2)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
v8_caller = v8_init(NULL, TRUE, caller_available_modulations, handler, (void *) "caller");
v8_answerer = v8_init(NULL, FALSE, answerer_available_modulations, handler, (void *) "answerer");
logging = v8_get_logging_state(v8_caller);
span_log_set_level(logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
span_log_set_tag(logging, "caller");
logging = v8_get_logging_state(v8_answerer);
span_log_set_level(logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
span_log_set_tag(logging, "answerer");
for (i = 0; i < 1000; i++)
{
samples = v8_tx(v8_caller, amp, SAMPLES_PER_CHUNK);
if (samples < SAMPLES_PER_CHUNK)
{
memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
samples = SAMPLES_PER_CHUNK;
}
remnant = v8_rx(v8_answerer, amp, samples);
for (i = 0; i < samples; i++)
out_amp[2*i] = amp[i];
samples = v8_tx(v8_answerer, amp, SAMPLES_PER_CHUNK);
if (samples < SAMPLES_PER_CHUNK)
{
memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
samples = SAMPLES_PER_CHUNK;
}
if (v8_rx(v8_caller, amp, samples) && remnant)
break;
for (i = 0; i < samples; i++)
out_amp[2*i + 1] = amp[i];
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
out_amp,
samples);
if (outframes != samples)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
if (afCloseFile(outhandle))
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
v8_free(v8_caller);
v8_free(v8_answerer);
if (negotiations_ok != 2)
{
printf("Tests failed.\n");
exit(2);
}
printf("Tests passed.\n");
}
else
{
printf("Decode file '%s'\n", decode_test_file);
v8_answerer = v8_init(NULL, FALSE, answerer_available_modulations, handler, (void *) "answerer");
logging = v8_get_logging_state(v8_answerer);
span_log_set_level(logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
span_log_set_tag(logging, "decoder");
if ((inhandle = afOpenFile_telephony_read(decode_test_file, 1)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot open speech file '%s'\n", decode_test_file);
exit (2);
}
/*endif*/
while ((samples = afReadFrames(inhandle, AF_DEFAULT_TRACK, amp, SAMPLES_PER_CHUNK)))
{
remnant = v8_rx(v8_answerer, amp, samples);
}
/*endwhile*/
v8_free(v8_answerer);
if (afCloseFile(inhandle) != 0)
{
fprintf(stderr, " Cannot close speech file '%s'\n", decode_test_file);
exit(2);
}
/*endif*/
}
return 0;
}
/*- End of function --------------------------------------------------------*/
/*- End of file ------------------------------------------------------------*/
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