Mercurial > hg > audiostuff
view spandsp-0.0.3/spandsp-0.0.3/tests/v8_tests.c @ 5:f762bf195c4b
import spandsp-0.0.3
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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date | Fri, 25 Jun 2010 16:00:21 +0200 |
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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 1.19 2006/11/23 15:48:09 steveu Exp $ */ /*! \page v8_tests_page V.8 tests \section v8_tests_page_sec_1 What does it do? */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <stdlib.h> #include <inttypes.h> #include <stdio.h> #if defined(HAVE_TGMATH_H) #include <tgmath.h> #endif #if defined(HAVE_MATH_H) #include <math.h> #endif #include <fcntl.h> #include <string.h> #include <audiofile.h> #include <tiffio.h> #include "spandsp.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 outhandle; AFfilesetup filesetup; 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, (float) SAMPLE_RATE); afInitFileFormat(filesetup, AF_FILE_WAVE); afInitChannels(filesetup, AF_DEFAULT_TRACK, 2); if ((outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE) { fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME); exit(2); } 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; v8_init(&v8_caller, TRUE, caller_available_modulations, handler, (void *) "caller"); v8_init(&v8_answerer, FALSE, answerer_available_modulations, handler, (void *) "answerer"); span_log_set_level(&v8_caller.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG); span_log_set_tag(&v8_caller.logging, "caller"); span_log_set_level(&v8_answerer.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG); span_log_set_tag(&v8_answerer.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); } afFreeFileSetup(filesetup); v8_release(&v8_caller); v8_release(&v8_answerer); if (negotiations_ok != 2) { printf("Tests failed.\n"); exit(2); } printf("Tests passed.\n"); return 0; } /*- End of function --------------------------------------------------------*/ /*- End of file ------------------------------------------------------------*/