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view spandsp-0.0.3/spandsp-0.0.3/tests/t38_gateway_to_terminal_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 * * t38_gateway_to_terminal_tests.c - Joint tests for the T.38 FoIP terminal and gateway modules. * * Written by Steve Underwood <steveu@coppice.org> * * Copyright (C) 2005, 2006 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: t38_gateway_to_terminal_tests.c,v 1.31 2006/12/09 04:56:20 steveu Exp $ */ /*! \file */ /*! \page t38_gateway_to_terminal_tests_page T.38 mixed gateway and termination tests \section t38_gateway_to_terminal_tests_page_sec_1 What does it do? These tests exercise the path FAX machine -> T.38 gateway -> T.38 termination */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <inttypes.h> #include <stdlib.h> #include <stdio.h> #include <fcntl.h> #include <string.h> #if defined(HAVE_TGMATH_H) #include <tgmath.h> #endif #if defined(HAVE_MATH_H) #include <math.h> #endif #include <assert.h> #include <errno.h> #include <sys/socket.h> #include <netinet/in.h> #include <netinet/tcp.h> #define __USE_MISC #include <arpa/inet.h> #include <sys/select.h> #include <sys/time.h> #include <audiofile.h> #include <tiffio.h> #include "spandsp.h" #include "ip_network_model.h" #define SAMPLES_PER_CHUNK 160 #define INPUT_FILE_NAME "../itutests/fax/itutests.tif" #define OUTPUT_FILE_NAME "t38.tif" #define OUTPUT_FILE_NAME_WAVE "t38_gateway_to_terminal.wav" fax_state_t fax_state_a; t38_gateway_state_t t38_state_a; t38_terminal_state_t t38_state_b; ip_network_model_state_t *path_a_to_b; ip_network_model_state_t *path_b_to_a; int done[2] = {FALSE, FALSE}; int succeeded[2] = {FALSE, FALSE}; static void phase_b_handler(t30_state_t *s, void *user_data, int result) { int i; i = (int) (intptr_t) user_data; printf("%c: Phase B handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result)); } /*- End of function --------------------------------------------------------*/ static void phase_d_handler(t30_state_t *s, void *user_data, int result) { int i; t30_stats_t t; char ident[21]; i = (int) (intptr_t) user_data; printf("%c: Phase D handler on channel %c - (0x%X) %s\n", i, i, result, t30_frametype(result)); t30_get_transfer_statistics(s, &t); printf("%c: Phase D: bit rate %d\n", i, t.bit_rate); printf("%c: Phase D: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off"); printf("%c: Phase D: pages transferred %d\n", i, t.pages_transferred); printf("%c: Phase D: image size %d x %d\n", i, t.width, t.length); printf("%c: Phase D: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution); printf("%c: Phase D: bad rows %d\n", i, t.bad_rows); printf("%c: Phase D: longest bad row run %d\n", i, t.longest_bad_row_run); printf("%c: Phase D: coding method %s\n", i, t4_encoding_to_str(t.encoding)); printf("%c: Phase D: image size %d\n", i, t.image_size); t30_get_local_ident(s, ident); printf("%c: Phase D: local ident '%s'\n", i, ident); t30_get_far_ident(s, ident); printf("%c: Phase D: remote ident '%s'\n", i, ident); } /*- End of function --------------------------------------------------------*/ static void phase_e_handler(t30_state_t *s, void *user_data, int result) { int i; t30_stats_t t; char ident[21]; i = (int) (intptr_t) user_data; printf("%c: Phase E handler on channel %c - (%d) %s\n", i, i, result, t30_completion_code_to_str(result)); t30_get_transfer_statistics(s, &t); printf("%c: Phase E: bit rate %d\n", i, t.bit_rate); printf("%c: Phase E: ECM %s\n", i, (t.error_correcting_mode) ? "on" : "off"); printf("%c: Phase E: pages transferred %d\n", i, t.pages_transferred); printf("%c: Phase E: image size %d x %d\n", i, t.width, t.length); printf("%c: Phase E: image resolution %d x %d\n", i, t.x_resolution, t.y_resolution); printf("%c: Phase E: bad rows %d\n", i, t.bad_rows); printf("%c: Phase E: longest bad row run %d\n", i, t.longest_bad_row_run); printf("%c: Phase E: coding method %s\n", i, t4_encoding_to_str(t.encoding)); printf("%c: Phase E: image size %d bytes\n", i, t.image_size); t30_get_local_ident(s, ident); printf("%c: Phase E: local ident '%s'\n", i, ident); t30_get_far_ident(s, ident); printf("%c: Phase E: remote ident '%s'\n", i, ident); succeeded[i - 'A'] = (result == T30_ERR_OK) && (t.pages_transferred == 12); done[i - 'A'] = TRUE; } /*- End of function --------------------------------------------------------*/ static int tx_packet_handler_a(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) { t38_terminal_state_t *t; /* This routine queues messages between two instances of T.38 processing */ t = (t38_terminal_state_t *) user_data; span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count); ip_network_model_send(path_a_to_b, s->tx_seq_no, count, buf, len); return 0; } /*- End of function --------------------------------------------------------*/ static int tx_packet_handler_b(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) { t38_gateway_state_t *t; /* This routine queues messages between two instances of T.38 processing */ t = (t38_gateway_state_t *) user_data; span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count); ip_network_model_send(path_b_to_a, s->tx_seq_no, count, buf, len); return 0; } /*- End of function --------------------------------------------------------*/ int main(int argc, char *argv[]) { int16_t t38_amp_a[SAMPLES_PER_CHUNK]; int16_t t30_amp_a[SAMPLES_PER_CHUNK]; int16_t out_amp[2*SAMPLES_PER_CHUNK]; int t38_len_a; int t30_len_a; int msg_len; uint8_t msg[1024]; int log_audio; int outframes; int t38_version; int use_ecm; AFfilesetup filesetup; AFfilehandle wave_handle; const char *input_file_name; int i; int seq_no; log_audio = FALSE; t38_version = 1; use_ecm = FALSE; input_file_name = INPUT_FILE_NAME; for (i = 1; i < argc; i++) { if (strcmp(argv[i], "-e") == 0) { use_ecm = TRUE; continue; } if (strcmp(argv[i], "-i") == 0) { i++; input_file_name = argv[i]; continue; } if (strcmp(argv[i], "-l") == 0) { log_audio = TRUE; continue; } if (strcmp(argv[i], "-v") == 0) { i++; t38_version = atoi(argv[i]); continue; } } printf("Using T.38 version %d\n", t38_version); if (use_ecm) printf("Using ECM\n"); filesetup = AF_NULL_FILESETUP; wave_handle = AF_NULL_FILEHANDLE; if (log_audio) { 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); wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup); if (wave_handle == AF_NULL_FILEHANDLE) { fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE); exit(2); } } if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL) { fprintf(stderr, "Failed to start IP network path model\n"); exit(2); } if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL) { fprintf(stderr, "Failed to start IP network path model\n"); exit(2); } fax_init(&fax_state_a, TRUE); t30_set_local_ident(&fax_state_a.t30_state, "11111111"); t30_set_tx_file(&fax_state_a.t30_state, input_file_name, -1, -1); t30_set_phase_b_handler(&fax_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A'); t30_set_phase_d_handler(&fax_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A'); t30_set_phase_e_handler(&fax_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A'); t30_set_ecm_capability(&fax_state_a.t30_state, use_ecm); if (use_ecm) t30_set_supported_compressions(&fax_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION); span_log_set_level(&fax_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(&fax_state_a.logging, "FAX-A "); span_log_set_level(&fax_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(&fax_state_a.t30_state.logging, "FAX-A "); memset(t30_amp_a, 0, sizeof(t30_amp_a)); if (t38_gateway_init(&t38_state_a, tx_packet_handler_a, &t38_state_b) == NULL) { fprintf(stderr, "Cannot start the T.38 channel\n"); exit(2); } t38_set_t38_version(&t38_state_a.t38, t38_version); t38_gateway_ecm_control(&t38_state_a, use_ecm); span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(&t38_state_a.logging, "T.38-A"); span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(&t38_state_a.t38.logging, "T.38-A"); memset(t38_amp_a, 0, sizeof(t38_amp_a)); if (t38_terminal_init(&t38_state_b, FALSE, tx_packet_handler_b, &t38_state_a) == NULL) { fprintf(stderr, "Cannot start the T.38 channel\n"); exit(2); } t38_set_t38_version(&t38_state_b.t38, t38_version); span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(&t38_state_b.logging, "T.38-B"); span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(&t38_state_b.t38.logging, "T.38-B"); span_log_set_level(&t38_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(&t38_state_b.t30_state.logging, "T.38-B"); t30_set_local_ident(&t38_state_b.t30_state, "22222222"); t30_set_rx_file(&t38_state_b.t30_state, OUTPUT_FILE_NAME, -1); t30_set_phase_b_handler(&t38_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B'); t30_set_phase_d_handler(&t38_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B'); t30_set_phase_e_handler(&t38_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B'); t30_set_ecm_capability(&t38_state_b.t30_state, use_ecm); if (use_ecm) t30_set_supported_compressions(&t38_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION); for (;;) { span_log_bump_samples(&fax_state_a.logging, SAMPLES_PER_CHUNK); span_log_bump_samples(&fax_state_a.t30_state.logging, SAMPLES_PER_CHUNK); span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK); span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK); span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK); span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK); span_log_bump_samples(&t38_state_b.t30_state.logging, SAMPLES_PER_CHUNK); memset(out_amp, 0, sizeof(out_amp)); t38_terminal_send_timeout(&t38_state_b, SAMPLES_PER_CHUNK); t30_len_a = fax_tx(&fax_state_a, t30_amp_a, SAMPLES_PER_CHUNK); /* The receive side always expects a full block of samples, but the transmit side may not be sending any when it doesn't need to. We may need to pad with some silence. */ if (t30_len_a < SAMPLES_PER_CHUNK) { memset(t30_amp_a + t30_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_a)); t30_len_a = SAMPLES_PER_CHUNK; } if (log_audio) { for (i = 0; i < t30_len_a; i++) out_amp[2*i] = t30_amp_a[i]; } if (t38_gateway_rx(&t38_state_a, t30_amp_a, t30_len_a)) break; t38_len_a = t38_gateway_tx(&t38_state_a, t38_amp_a, SAMPLES_PER_CHUNK); if (t38_len_a < SAMPLES_PER_CHUNK) { memset(t38_amp_a + t38_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_a)); t38_len_a = SAMPLES_PER_CHUNK; } if (log_audio) { for (i = 0; i < t38_len_a; i++) out_amp[2*i + 1] = t38_amp_a[i]; } if (fax_rx(&fax_state_a, t38_amp_a, SAMPLES_PER_CHUNK)) break; while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0) t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len); while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0) t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len); if (log_audio) { outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK); if (outframes != SAMPLES_PER_CHUNK) break; } if (done[0] && done[1]) break; } if (log_audio) { if (afCloseFile(wave_handle) != 0) { fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE); exit(2); } afFreeFileSetup(filesetup); } if (!succeeded[0] || !succeeded[1]) { printf("Tests failed\n"); exit(2); } printf("Tests passed\n"); return 0; } /*- End of function --------------------------------------------------------*/ /*- End of file ------------------------------------------------------------*/