/* * SpanDSP - a series of DSP components for telephony * * fax_tests.c - Tests for the audio and T.38 FAX modules. * * Written by Steve Underwood * * Copyright (C) 2005, 2006, 2009, 2010 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 fax_tests_page FAX tests \section fax_tests_page_sec_1 What does it do? These tests exercise the following FAX to FAX paths: TSB85 <-----------+ +-----------> TSB85 \ / T.31 <-----------+ \ / +-----------> T.31 \ \ / / +--Modems-+-+-----------TDM/RTP-----------+-+-Modems--+ | \ / | | \ / | T.30 <---+ T.38 gateway T.38 gateway +---> T.30 | \ / | | \ / | +---T.38---+-+----+----UDPTL/RTP----+----+ +---T.38---+ / / \ / \ \ T.31 <------------/ / +----------TCP----------+ \ +------------> T.31 / \ TSB85 <------------+ +------------> TSB85 T.30<->Modems<-------------------------TDM/RTP------------------------->Modems<->T.30 T.30<->Modems<-TDM/RTP->T.38 gateway<-UDPTL/RTP->T.38 gateway<-TDM/RTP->Modems<->T.30 T.30<->Modems<-TDM/RTP->T.38 gateway<-UDPTL/RTP-------------------------->T.38<->T.30 T.30<->T.38<--------------------------UDPTL/RTP->T.38 gateway<-TDM/RTP->Modems<->T.30 T.30<->T.38<--------------------------UDPTL/RTP-------------------------->T.38<->T.30 The T.31 and TSB85 parts are incomplete right now. */ #if defined(HAVE_CONFIG_H) #include "config.h" #endif #if defined(HAVE_FL_FL_H) && defined(HAVE_FL_FL_CARTESIAN_H) && defined(HAVE_FL_FL_AUDIO_METER_H) #define ENABLE_GUI #endif #include #include #include #include #include #include #include #include #if !defined(_WIN32) #include #endif #if defined(HAVE_LIBXML_XMLMEMORY_H) #include #endif #if defined(HAVE_LIBXML_PARSER_H) #include #endif #if defined(HAVE_LIBXML_XINCLUDE_H) #include #endif #include "udptl.h" #include "spandsp.h" #include "spandsp-sim.h" #if defined(ENABLE_GUI) #include "media_monitor.h" #endif #include "fax_tester.h" #include "fax_utils.h" #include "pcap_parse.h" #define SAMPLES_PER_CHUNK 160 #define INPUT_TIFF_FILE_NAME "../test-data/itu/fax/itutests.tif" #define OUTPUT_TIFF_FILE_NAME "fax_tests.tif" #define OUTPUT_WAVE_FILE_NAME "fax_tests.wav" enum { AUDIO_FAX, T38_TERMINAL_FAX, T38_GATEWAY_FAX, T31_AUDIO_FAX, T31_T38_TERMINAL_FAX, T31_T38_GATEWAY_FAX, TSB85_AUDIO_FAX, TSB85_T38_TERMINAL_FAX, TSB85_T38_GATEWAY_FAX }; int mode[2] = {AUDIO_FAX, AUDIO_FAX}; t30_state_t *t30_state[2] = {NULL, NULL}; fax_state_t *fax_state[2] = {NULL, NULL}; t38_gateway_state_t *t38_gateway_state[2] = {NULL, NULL}; t38_terminal_state_t *t38_state[2] = {NULL, NULL}; t38_core_state_t *t38_core_state[2] = {NULL, NULL}; faxtester_state_t *faxtester[2] = {NULL, NULL}; g1050_state_t *g1050_path[2] = {NULL, NULL}; awgn_state_t *awgn_state[2] = {NULL, NULL}; int16_t audio_buffer[2*2][SAMPLES_PER_CHUNK]; int t38_subst_seq[2] = {0, 0}; t30_exchanged_info_t expected_rx_info[2]; bool use_receiver_not_ready = false; bool test_local_interrupt = false; double when = 0.0; bool phase_e_reached[2] = {false, false}; bool completed[2] = {false, false}; bool succeeded[2] = {false, false}; bool t38_simulate_incrementing_repeats = false; static int phase_b_handler(void *user_data, int result) { int i; int ch; int status; int len; t30_state_t *s; char tag[20]; const char *u; const uint8_t *v; i = (int) (intptr_t) user_data; s = t30_state[i]; ch = i + 'A'; snprintf(tag, sizeof(tag), "%c: Phase B", ch); printf("%c: Phase B handler - (0x%X) %s\n", ch, result, t30_frametype(result)); fax_log_rx_parameters(s, tag); status = T30_ERR_OK; if ((u = t30_get_rx_ident(s))) { printf("%c: Phase B remote ident '%s'\n", ch, u); if (expected_rx_info[i].ident[0] && strcmp(expected_rx_info[i].ident, u)) { printf("%c: Phase B: remote ident incorrect! - expected '%s'\n", ch, expected_rx_info[i].ident); status = T30_ERR_IDENT_UNACCEPTABLE; } } else { if (expected_rx_info[i].ident[0]) { printf("%c: Phase B: remote ident missing!\n", ch); status = T30_ERR_IDENT_UNACCEPTABLE; } } if ((u = t30_get_rx_sub_address(s))) { printf("%c: Phase B: remote sub-address '%s'\n", ch, u); if (expected_rx_info[i].sub_address[0] && strcmp(expected_rx_info[i].sub_address, u)) { printf("%c: Phase B: remote sub-address incorrect! - expected '%s'\n", ch, expected_rx_info[i].sub_address); status = T30_ERR_SUB_UNACCEPTABLE; } } else { if (expected_rx_info[i].sub_address[0]) { printf("%c: Phase B: remote sub-address missing!\n", ch); status = T30_ERR_SUB_UNACCEPTABLE; } } if ((u = t30_get_rx_polled_sub_address(s))) { printf("%c: Phase B: remote polled sub-address '%s'\n", ch, u); if (expected_rx_info[i].polled_sub_address[0] && strcmp(expected_rx_info[i].polled_sub_address, u)) { printf("%c: Phase B: remote polled sub-address incorrect! - expected '%s'\n", ch, expected_rx_info[i].polled_sub_address); status = T30_ERR_PSA_UNACCEPTABLE; } } else { if (expected_rx_info[i].polled_sub_address[0]) { printf("%c: Phase B: remote polled sub-address missing!\n", ch); status = T30_ERR_PSA_UNACCEPTABLE; } } if ((u = t30_get_rx_selective_polling_address(s))) { printf("%c: Phase B: remote selective polling address '%s'\n", ch, u); if (expected_rx_info[i].selective_polling_address[0] && strcmp(expected_rx_info[i].selective_polling_address, u)) { printf("%c: Phase B: remote selective polling address incorrect! - expected '%s'\n", ch, expected_rx_info[i].selective_polling_address); status = T30_ERR_SEP_UNACCEPTABLE; } } else { if (expected_rx_info[i].selective_polling_address[0]) { printf("%c: Phase B: remote selective polling address missing!\n", ch); status = T30_ERR_SEP_UNACCEPTABLE; } } if ((u = t30_get_rx_sender_ident(s))) { printf("%c: Phase B: remote sender ident '%s'\n", ch, u); if (expected_rx_info[i].sender_ident[0] && strcmp(expected_rx_info[i].sender_ident, u)) { printf("%c: Phase B: remote sender ident incorrect! - expected '%s'\n", ch, expected_rx_info[i].sender_ident); status = T30_ERR_SID_UNACCEPTABLE; } } else { if (expected_rx_info[i].sender_ident[0]) { printf("%c: Phase B: remote sender ident missing!\n", ch); status = T30_ERR_SID_UNACCEPTABLE; } } if ((u = t30_get_rx_password(s))) { printf("%c: Phase B: remote password '%s'\n", ch, u); if (expected_rx_info[i].password[0] && strcmp(expected_rx_info[i].password, u)) { printf("%c: Phase B: remote password incorrect! - expected '%s'\n", ch, expected_rx_info[i].password); status = T30_ERR_PWD_UNACCEPTABLE; } } else { if (expected_rx_info[i].password[0]) { printf("%c: Phase B: remote password missing!\n", ch); status = T30_ERR_PWD_UNACCEPTABLE; } } if ((len = t30_get_rx_nsf(s, &v))) { printf("%c: Phase B: NSF %d bytes\n", ch, len); if (expected_rx_info[i].nsf_len && (expected_rx_info[i].nsf_len != len || memcmp(expected_rx_info[i].nsf, v, len))) { printf("%c: Phase B: remote NSF incorrect! - expected %u bytes\n", ch, (unsigned int) expected_rx_info[i].nsf_len); } } else { if (expected_rx_info[i].nsf_len) { printf("%c: Phase B: remote NSF missing! - expected %u bytes\n", ch, (unsigned int) expected_rx_info[i].nsf_len); } } if ((len = t30_get_rx_nsc(s, &v))) { printf("%c: Phase B: NSC %d bytes\n", ch, len); if (expected_rx_info[i].nsc_len && (expected_rx_info[i].nsc_len != len || memcmp(expected_rx_info[i].nsc, v, len))) { printf("%c: Phase B: remote NSC incorrect! - expected %u bytes\n", ch, (unsigned int) expected_rx_info[i].nsc_len); } } else { if (expected_rx_info[i].nsc_len) { printf("%c: Phase B: remote NSC missing! - expected %u bytes\n", ch, (unsigned int) expected_rx_info[i].nsc_len); } } if ((len = t30_get_rx_nss(s, &v))) { printf("%c: Phase B: NSS %d bytes\n", ch, len); if (expected_rx_info[i].nss_len && (expected_rx_info[i].nss_len != len || memcmp(expected_rx_info[i].nss, v, len))) { printf("%c: Phase B: remote NSS incorrect! - expected %u bytes\n", ch, (unsigned int) expected_rx_info[i].nss_len); } } else { if (expected_rx_info[i].nss_len) { printf("%c: Phase B: remote NSS missing! - expected %u bytes\n", ch, (unsigned int) expected_rx_info[i].nsf_len); } } return status; } /*- End of function --------------------------------------------------------*/ static int phase_d_handler(void *user_data, int result) { int i; int ch; t30_state_t *s; char tag[20]; i = (int) (intptr_t) user_data; s = t30_state[i]; ch = i + 'A'; snprintf(tag, sizeof(tag), "%c: Phase D", ch); printf("%c: Phase D handler - (0x%X) %s\n", ch, result, t30_frametype(result)); fax_log_page_transfer_statistics(s, tag); fax_log_tx_parameters(s, tag); fax_log_rx_parameters(s, tag); if (use_receiver_not_ready) t30_set_receiver_not_ready(s, 3); if (test_local_interrupt) { if (i == 0) { printf("%c: Initiating interrupt request\n", ch); t30_local_interrupt_request(s, true); } else { switch (result) { case T30_PIP: case T30_PRI_MPS: case T30_PRI_EOM: case T30_PRI_EOP: printf("%c: Accepting interrupt request\n", ch); t30_local_interrupt_request(s, true); break; case T30_PIN: break; } } } return T30_ERR_OK; } /*- End of function --------------------------------------------------------*/ static void phase_e_handler(void *user_data, int result) { int i; int ch; t30_stats_t t; t30_state_t *s; char tag[20]; i = (int) (intptr_t) user_data; s = t30_state[i]; ch = i + 'A'; snprintf(tag, sizeof(tag), "%c: Phase E", ch); printf("%c: Phase E handler - (%d) %s\n", ch, result, t30_completion_code_to_str(result)); fax_log_final_transfer_statistics(s, tag); fax_log_tx_parameters(s, tag); fax_log_rx_parameters(s, tag); t30_get_transfer_statistics(s, &t); succeeded[i] = (result == T30_ERR_OK); phase_e_reached[i] = true; } /*- End of function --------------------------------------------------------*/ static void real_time_frame_handler(void *user_data, bool incoming, const uint8_t *msg, int len) { int i; int ch; i = (intptr_t) user_data; ch = i + 'A'; printf("%c: Real time frame handler - %s, %s, length = %d\n", ch, (incoming) ? "line->T.30" : "T.30->line", t30_frametype(msg[2]), len); } /*- End of function --------------------------------------------------------*/ static int document_handler(void *user_data, int event) { int i; int ch; i = (intptr_t) user_data; ch = i + 'A'; printf("%c: Document handler - event %d\n", ch, event); return false; } /*- End of function --------------------------------------------------------*/ static void set_t30_callbacks(t30_state_t *t30, int chan) { t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) chan); t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) chan); t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) chan); t30_set_real_time_frame_handler(t30, real_time_frame_handler, (void *) (intptr_t) chan); t30_set_document_handler(t30, document_handler, (void *) (intptr_t) chan); } /*- End of function --------------------------------------------------------*/ static void real_time_gateway_frame_handler(void *user_data, bool incoming, const uint8_t *msg, int len) { int i; i = (intptr_t) user_data; printf("%c: Real time gateway frame handler - %s, %s, length = %d\n", i + 'A', (incoming) ? "PSTN->T.38" : "T.38->PSTN", t30_frametype(msg[2]), len); } /*- End of function --------------------------------------------------------*/ static int tx_packet_handler(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) { int i; int chan; /* This routine queues messages between two instances of T.38 processing */ chan = (intptr_t) user_data; if (t38_simulate_incrementing_repeats) { for (i = 0; i < count; i++) { span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d\n", t38_subst_seq[chan], len); if (g1050_put(g1050_path[chan], buf, len, t38_subst_seq[chan], when) < 0) printf("Lost packet %d\n", t38_subst_seq[chan]); t38_subst_seq[chan] = (t38_subst_seq[chan] + 1) & 0xFFFF; } } else { span_log(&s->logging, SPAN_LOG_FLOW, "Send seq %d, len %d, count %d\n", s->tx_seq_no, len, count); for (i = 0; i < count; i++) { if (g1050_put(g1050_path[chan], buf, len, s->tx_seq_no, when) < 0) printf("Lost packet %d\n", s->tx_seq_no); } } return 0; } /*- End of function --------------------------------------------------------*/ int main(int argc, char *argv[]) { int16_t silence[SAMPLES_PER_CHUNK]; int16_t t30_amp[2][SAMPLES_PER_CHUNK]; int16_t t38_amp[2][SAMPLES_PER_CHUNK]; int16_t t38_amp_hist_a[8][SAMPLES_PER_CHUNK]; int16_t t38_amp_hist_b[8][SAMPLES_PER_CHUNK]; int16_t out_amp[SAMPLES_PER_CHUNK*4]; int16_t *fax_rx_buf[2]; int16_t *fax_tx_buf[2]; int16_t *t38_gateway_rx_buf[2]; int16_t *t38_gateway_tx_buf[2]; int t30_len[2]; int t38_len[2]; int hist_ptr; int log_audio; int msg_len; uint8_t msg[1024]; int outframes; SNDFILE *wave_handle; SNDFILE *input_wave_handle; bool use_ecm; bool use_tep; int feedback_audio; int use_transmit_on_idle; int t38_version; const char *input_tiff_file_name; const char *decode_file_name; int i; int j; int seq_no; int g1050_model_no; int g1050_speed_pattern_no; int t38_transport; double tx_when; double rx_when; int supported_modems; int opt; int start_page; int end_page; int drop_frame; int drop_frame_rate; float signal_scaling; int signal_level; int noise_level; int code_to_look_up; int scan_line_time; int allowed_bilevel_resolutions[2]; int allowed; bool remove_fill_bits; bool colour_enabled; bool t37_like_output; t38_stats_t t38_stats; t30_stats_t t30_stats; logging_state_t *logging; int expected_pages; char *page_header_info; char *page_header_tz; const char *tag; const char *xml_file_name; char buf[132 + 1]; #if defined(ENABLE_GUI) int use_gui; #endif #if defined(ENABLE_GUI) use_gui = false; #endif log_audio = false; use_ecm = false; t38_version = 1; input_tiff_file_name = INPUT_TIFF_FILE_NAME; t38_simulate_incrementing_repeats = false; g1050_model_no = 0; g1050_speed_pattern_no = 1; remove_fill_bits = false; use_tep = false; feedback_audio = false; use_transmit_on_idle = true; supported_modems = T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17; page_header_info = NULL; page_header_tz = NULL; drop_frame = 0; drop_frame_rate = 0; start_page = -1; end_page = -1; signal_level = 0; noise_level = -99; scan_line_time = 0; decode_file_name = NULL; code_to_look_up = -1; allowed_bilevel_resolutions[0] = 0; allowed_bilevel_resolutions[1] = 0; allowed = 0; colour_enabled = false; t37_like_output = false; t38_transport = T38_TRANSPORT_UDPTL; xml_file_name = "../spandsp/tsb85.xml"; while ((opt = getopt(argc, argv, "7b:c:Cd:D:efFgH:i:Ilm:M:n:p:s:S:tT:u:v:x:z:")) != -1) { switch (opt) { case '7': t37_like_output = true; break; case 'b': allowed_bilevel_resolutions[allowed] = atoi(optarg); allowed ^= 1; break; case 'c': code_to_look_up = atoi(optarg); break; case 'C': colour_enabled = true; break; case 'd': decode_file_name = optarg; break; case 'D': drop_frame_rate = drop_frame = atoi(optarg); break; case 'e': use_ecm = true; break; case 'f': feedback_audio = true; break; case 'F': remove_fill_bits = true; break; case 'g': #if defined(ENABLE_GUI) use_gui = true; #else fprintf(stderr, "Graphical monitoring not available\n"); exit(2); #endif break; case 'H': page_header_info = optarg; break; case 'i': input_tiff_file_name = optarg; break; case 'I': t38_simulate_incrementing_repeats = true; break; case 'l': log_audio = true; break; case 'm': supported_modems = atoi(optarg); break; case 'M': g1050_model_no = optarg[0] - 'A' + 1; break; case 'n': noise_level = atoi(optarg); break; case 'p': for (i = 0; i < 2; i++) { switch (optarg[i]) { case 'A': mode[i] = AUDIO_FAX; break; case 'G': mode[i] = T38_GATEWAY_FAX; break; case 'T': mode[i] = T38_TERMINAL_FAX; break; default: fprintf(stderr, "Unknown FAX path element %c\n", optarg[i]); exit(2); } } if ((mode[0] == AUDIO_FAX && mode[1] != AUDIO_FAX) || (mode[0] != AUDIO_FAX && mode[1] == AUDIO_FAX)) { fprintf(stderr, "Invalid FAX path %s\n", optarg); exit(2); } break; case 's': g1050_speed_pattern_no = atoi(optarg); break; #if 0 case 's': signal_level = atoi(optarg); break; #endif case 'S': scan_line_time = atoi(optarg); break; case 't': use_tep = true; break; case 'T': start_page = 0; end_page = atoi(optarg); break; case 'u': if (strcasecmp(optarg, "udptl") == 0) t38_transport = T38_TRANSPORT_UDPTL; else if (strcasecmp(optarg, "rtp") == 0) t38_transport = T38_TRANSPORT_RTP; else if (strcasecmp(optarg, "tcp") == 0) t38_transport = T38_TRANSPORT_TCP; else if (strcasecmp(optarg, "tcp-tpkt") == 0) t38_transport = T38_TRANSPORT_TCP_TPKT; else { fprintf(stderr, "Unknown T.38 transport mode\n"); exit(2); } break; case 'v': t38_version = atoi(optarg); break; case 'x': xml_file_name = optarg; break; case 'z': page_header_tz = optarg; break; default: //usage(); exit(2); break; } } if (code_to_look_up >= 0) { printf("Result code %d is %s\n", code_to_look_up, t30_completion_code_to_str(code_to_look_up)); exit(0); } printf("Using T.38 version %d\n", t38_version); if (use_ecm) printf("Using ECM\n"); wave_handle = NULL; if (log_audio) { if ((wave_handle = sf_open_telephony_write(OUTPUT_WAVE_FILE_NAME, 4)) == NULL) { fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_WAVE_FILE_NAME); exit(2); } } memset(silence, 0, sizeof(silence)); srand48(0x1234567); /* Set up the nodes */ input_wave_handle = NULL; if (mode[0] == T38_TERMINAL_FAX) { } else { if (decode_file_name) { if ((input_wave_handle = sf_open_telephony_read(decode_file_name, 1)) == NULL) { fprintf(stderr, " Cannot open audio file '%s'\n", decode_file_name); exit(2); } } } for (i = 0; i < 2; i++) { tag = (i == 0) ? "A" : "B"; memset(&expected_rx_info[i], 0, sizeof(expected_rx_info[i])); switch (mode[i]) { case T38_TERMINAL_FAX: if ((t38_state[i] = t38_terminal_init(NULL, (i == 0), tx_packet_handler, (void *) (intptr_t) i)) == NULL) { fprintf(stderr, "Cannot start the T.38 terminal instance\n"); exit(2); } t30_state[i] = t38_terminal_get_t30_state(t38_state[i]); t38_core_state[i] = t38_terminal_get_t38_core_state(t38_state[i]); logging = t38_terminal_get_logging_state(t38_state[i]); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); logging = t38_core_get_logging_state(t38_core_state[i]); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); logging = t30_get_logging_state(t30_state[i]); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); break; case AUDIO_FAX: case T38_GATEWAY_FAX: if ((fax_state[i] = fax_init(NULL, (i == 0))) == NULL) { fprintf(stderr, "Cannot start FAX instance\n"); exit(2); } t30_state[i] = fax_get_t30_state(fax_state[i]); logging = fax_get_logging_state(fax_state[i]); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); logging = fax_modems_get_logging_state(&fax_state[i]->modems); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); logging = t30_get_logging_state(t30_state[i]); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); if (mode[i] == T38_GATEWAY_FAX) { if ((t38_gateway_state[i] = t38_gateway_init(NULL, tx_packet_handler, (void *) (intptr_t) i)) == NULL) { fprintf(stderr, "Cannot start the T.38 gateway instance\n"); exit(2); } t38_core_state[i] = t38_gateway_get_t38_core_state(t38_gateway_state[i]); logging = t38_gateway_get_logging_state(t38_gateway_state[i]); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); logging = fax_modems_get_logging_state(&t38_gateway_state[i]->audio.modems); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); logging = t38_core_get_logging_state(t38_core_state[i]); span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME); span_log_set_tag(logging, tag); fax_rx_buf[i] = t38_amp[i]; fax_tx_buf[i] = t30_amp[i]; t38_gateway_rx_buf[i] = t30_amp[i]; t38_gateway_tx_buf[i] = t38_amp[i]; } else { fax_rx_buf[i] = t30_amp[i]; fax_tx_buf[i] = t30_amp[i ^ 1]; t38_gateway_rx_buf[i] = NULL; t38_gateway_tx_buf[i] = NULL; } awgn_state[i] = NULL; signal_scaling = 1.0f; if (noise_level > -99) { awgn_state[i] = awgn_init_dbm0(NULL, 1234567, noise_level); signal_scaling = powf(10.0f, signal_level/20.0f); printf("Signal scaling %f\n", signal_scaling); } break; case T31_AUDIO_FAX: break; case T31_T38_TERMINAL_FAX: case T31_T38_GATEWAY_FAX: break; case TSB85_AUDIO_FAX: break; case TSB85_T38_TERMINAL_FAX: case TSB85_T38_GATEWAY_FAX: break; } set_t30_callbacks(t30_state[i], i); } /* Set up the channels */ for (i = 0; i < 2; i++) { if ((g1050_path[i] = g1050_init(g1050_model_no, g1050_speed_pattern_no, 100, 33)) == NULL) { fprintf(stderr, "Failed to start IP network path model\n"); exit(2); } memset(audio_buffer[2*i], 0, SAMPLES_PER_CHUNK*sizeof(int16_t)); memset(audio_buffer[2*i + 1], 0, SAMPLES_PER_CHUNK*sizeof(int16_t)); memset(t30_amp[i], 0, sizeof(t30_amp[i])); memset(t38_amp[i], 0, sizeof(t38_amp[i])); } memset(t38_amp_hist_a, 0, sizeof(t38_amp_hist_a)); memset(t38_amp_hist_b, 0, sizeof(t38_amp_hist_b)); for (i = 0; i < 2; i++) { j = i + 1; sprintf(buf, "%d%d%d%d%d%d%d%d", j, j, j, j, j, j, j, j); t30_set_tx_ident(t30_state[i], buf); strcpy(expected_rx_info[i ^ 1].ident, buf); sprintf(buf, "Sub-address %d", j); t30_set_tx_sub_address(t30_state[i], buf); //strcpy(expected_rx_info[i ^ 1].sub_address, buf); sprintf(buf, "Sender ID %d", j); t30_set_tx_sender_ident(t30_state[i], buf); //strcpy(expected_rx_info[i ^ 1].sender_ident, buf); sprintf(buf, "Password %d", j); t30_set_tx_password(t30_state[i], buf); //strcpy(expected_rx_info[i ^ 1].password, buf); sprintf(buf, "Polled sub-add %d", j); t30_set_tx_polled_sub_address(t30_state[i], buf); //strcpy(expected_rx_info[i ^ 1].polled_sub_address, buf); sprintf(buf, "Select poll add %d", j); t30_set_tx_selective_polling_address(t30_state[i], buf); //strcpy(expected_rx_info[i ^ 1].selective_polling_address, buf); t30_set_tx_page_header_info(t30_state[i], page_header_info); if (page_header_tz) t30_set_tx_page_header_tz(t30_state[i], page_header_tz); if ((i & 1) == 1) { t30_set_tx_nsf(t30_state[i], (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12); expected_rx_info[i ^ 1].nsf = (uint8_t *) "\x50\x00\x00\x00Spandsp\x00"; expected_rx_info[i ^ 1].nsf_len = 12; } t30_set_supported_modems(t30_state[i], supported_modems); t30_set_supported_t30_features(t30_state[i], T30_SUPPORT_IDENTIFICATION | T30_SUPPORT_SELECTIVE_POLLING | T30_SUPPORT_SUB_ADDRESSING); t30_set_supported_image_sizes(t30_state[i], T4_SUPPORT_WIDTH_215MM | T4_SUPPORT_WIDTH_255MM | T4_SUPPORT_WIDTH_303MM | T4_SUPPORT_LENGTH_US_LETTER | T4_SUPPORT_LENGTH_US_LEGAL | T4_SUPPORT_LENGTH_UNLIMITED); switch (allowed_bilevel_resolutions[i]) { case 0: /* Allow anything */ t30_set_supported_bilevel_resolutions(t30_state[i], T4_RESOLUTION_R8_STANDARD | T4_RESOLUTION_R8_FINE | T4_RESOLUTION_R8_SUPERFINE | T4_RESOLUTION_R16_SUPERFINE | T4_RESOLUTION_200_100 | T4_RESOLUTION_200_200 | T4_RESOLUTION_200_400 | T4_RESOLUTION_300_300 | T4_RESOLUTION_300_600 | T4_RESOLUTION_400_400 | T4_RESOLUTION_400_800 | T4_RESOLUTION_600_600 | T4_RESOLUTION_600_1200 | T4_RESOLUTION_1200_1200); break; case 1: /* Allow anything metric */ t30_set_supported_bilevel_resolutions(t30_state[i], T4_RESOLUTION_R8_STANDARD | T4_RESOLUTION_R8_FINE | T4_RESOLUTION_R8_SUPERFINE | T4_RESOLUTION_R16_SUPERFINE); break; case 2: /* Allow anything inch based */ t30_set_supported_bilevel_resolutions(t30_state[i], T4_RESOLUTION_200_100 | T4_RESOLUTION_200_200 | T4_RESOLUTION_200_400 | T4_RESOLUTION_300_300 | T4_RESOLUTION_300_600 | T4_RESOLUTION_400_400 | T4_RESOLUTION_400_800 | T4_RESOLUTION_600_600 | T4_RESOLUTION_600_1200 | T4_RESOLUTION_1200_1200); break; case 3: /* Allow only restricted length resolution */ t30_set_supported_bilevel_resolutions(t30_state[i], T4_RESOLUTION_R8_STANDARD | T4_RESOLUTION_R8_FINE | T4_RESOLUTION_200_100 | T4_RESOLUTION_200_200); break; case 4: /* Allow only more restricted length resolution */ t30_set_supported_bilevel_resolutions(t30_state[i], T4_RESOLUTION_R8_STANDARD | T4_RESOLUTION_200_100); break; } if (colour_enabled) { t30_set_supported_colour_resolutions(t30_state[i], T4_RESOLUTION_100_100 | T4_RESOLUTION_200_200 | T4_RESOLUTION_300_300 | T4_RESOLUTION_400_400 | T4_RESOLUTION_600_600 | T4_RESOLUTION_1200_1200); } else { t30_set_supported_colour_resolutions(t30_state[i], 0); } if (t37_like_output) { t30_set_supported_output_compressions(t30_state[i], T4_COMPRESSION_T85 | T4_COMPRESSION_T85_L0 | T4_COMPRESSION_T6 | T4_COMPRESSION_T42_T81); } else { t30_set_supported_output_compressions(t30_state[i], T4_COMPRESSION_T6 | T4_COMPRESSION_JPEG); } t30_set_ecm_capability(t30_state[i], use_ecm); t30_set_supported_compressions(t30_state[i], T4_COMPRESSION_T4_1D | T4_COMPRESSION_T4_2D | T4_COMPRESSION_T6 | T4_COMPRESSION_T85 | T4_COMPRESSION_T85_L0 //| T4_COMPRESSION_T88 | T4_COMPRESSION_T43 | T4_COMPRESSION_T45 | T4_COMPRESSION_T42_T81 | T4_COMPRESSION_SYCC_T81 | T4_COMPRESSION_GRAYSCALE | T4_COMPRESSION_COLOUR | T4_COMPRESSION_12BIT | T4_COMPRESSION_COLOUR_TO_GRAY | T4_COMPRESSION_GRAY_TO_BILEVEL | T4_COMPRESSION_COLOUR_TO_BILEVEL | T4_COMPRESSION_RESCALING | 0); t30_set_minimum_scan_line_time(t30_state[i], scan_line_time); if (mode[i] == T38_GATEWAY_FAX) { t38_gateway_set_transmit_on_idle(t38_gateway_state[i], use_transmit_on_idle); t38_gateway_set_supported_modems(t38_gateway_state[i], supported_modems); //t38_gateway_set_nsx_suppression(t38_state[i], NULL, 0, NULL, 0); t38_gateway_set_fill_bit_removal(t38_gateway_state[i], remove_fill_bits); t38_gateway_set_real_time_frame_handler(t38_gateway_state[i], real_time_gateway_frame_handler, (void *) (intptr_t) i); t38_gateway_set_ecm_capability(t38_gateway_state[i], use_ecm); } if (mode[i] != AUDIO_FAX) { t38_set_t38_version(t38_core_state[i], t38_version); } if (mode[i] == T38_TERMINAL_FAX) { //t30_set_iaf_mode(t30_state[i], T30_IAF_MODE_NO_FILL_BITS); switch (t38_transport) { case T38_TRANSPORT_UDPTL: case T38_TRANSPORT_RTP: t38_terminal_set_fill_bit_removal(t38_state[i], remove_fill_bits); t38_terminal_set_tep_mode(t38_state[i], use_tep); break; case T38_TRANSPORT_TCP: case T38_TRANSPORT_TCP_TPKT: t38_terminal_set_fill_bit_removal(t38_state[i], true); t38_terminal_set_config(t38_state[i], T38_TERMINAL_OPTION_NO_PACING | T38_TERMINAL_OPTION_NO_INDICATORS); t38_terminal_set_tep_mode(t38_state[i], false); break; } } else { fax_set_transmit_on_idle(fax_state[i], use_transmit_on_idle); fax_set_tep_mode(fax_state[i], use_tep); } } t30_set_tx_file(t30_state[0], input_tiff_file_name, start_page, end_page); t30_set_rx_file(t30_state[1], OUTPUT_TIFF_FILE_NAME, -1); #if defined(ENABLE_GUI) if (use_gui) start_media_monitor(); #endif hist_ptr = 0; for (;;) { memset(out_amp, 0, sizeof(out_amp)); for (i = 0; i < 2; i++) { /* Update T.30 timing */ logging = t30_get_logging_state(t30_state[i]); span_log_bump_samples(logging, SAMPLES_PER_CHUNK); if (mode[i] == T38_TERMINAL_FAX) { /* Update T.38 termination timing */ logging = t38_terminal_get_logging_state(t38_state[i]); span_log_bump_samples(logging, SAMPLES_PER_CHUNK); logging = t38_core_get_logging_state(t38_core_state[i]); span_log_bump_samples(logging, SAMPLES_PER_CHUNK); completed[i] = t38_terminal_send_timeout(t38_state[i], SAMPLES_PER_CHUNK); } else { /* Update audio FAX timing */ logging = fax_get_logging_state(fax_state[i]); span_log_bump_samples(logging, SAMPLES_PER_CHUNK); #if 0 /* Mute the signal */ vec_zeroi16(fax_rx_buf[i], SAMPLES_PER_CHUNK); #endif fax_rx(fax_state[i], fax_rx_buf[i], SAMPLES_PER_CHUNK); if (!t30_call_active(t30_state[i])) { completed[i] = true; continue; } if (i == 0 && input_wave_handle) { t30_len[i] = sf_readf_short(input_wave_handle, fax_tx_buf[i], SAMPLES_PER_CHUNK); if (t30_len[i] == 0) break; } else { t30_len[i] = fax_tx(fax_state[i], fax_tx_buf[i], SAMPLES_PER_CHUNK); if (!use_transmit_on_idle) { /* 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[i] < SAMPLES_PER_CHUNK) { memset(t30_amp[i] + t30_len[i], 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len[i])); t30_len[i] = SAMPLES_PER_CHUNK; } } if (awgn_state[i]) { for (j = 0; j < t30_len[i]; j++) fax_tx_buf[i][j] = ((int16_t) (fax_tx_buf[i][j]*signal_scaling)) + awgn(awgn_state[i]); } } if (log_audio) { for (j = 0; j < t30_len[i]; j++) out_amp[4*j + 2*i] = t30_amp[i][j]; } if (feedback_audio) { for (j = 0; j < t30_len[i]; j++) t30_amp[i][j] += t38_amp_hist_a[hist_ptr][j] >> 1; memcpy(t38_amp_hist_a[hist_ptr], t38_amp[i], sizeof(int16_t)*SAMPLES_PER_CHUNK); } if (mode[i] == T38_GATEWAY_FAX) { /* Update T.38 gateway timing */ logging = t38_gateway_get_logging_state(t38_gateway_state[i]); span_log_bump_samples(logging, SAMPLES_PER_CHUNK); logging = t38_core_get_logging_state(t38_core_state[i]); span_log_bump_samples(logging, SAMPLES_PER_CHUNK); if (drop_frame_rate && --drop_frame == 0) { drop_frame = drop_frame_rate; if (t38_gateway_rx_fillin(t38_gateway_state[i], SAMPLES_PER_CHUNK)) break; } else { if (t38_gateway_rx(t38_gateway_state[i], t38_gateway_rx_buf[i], SAMPLES_PER_CHUNK)) break; } t38_len[i] = t38_gateway_tx(t38_gateway_state[i], t38_gateway_tx_buf[i], SAMPLES_PER_CHUNK); if (!use_transmit_on_idle) { if (t38_len[i] < SAMPLES_PER_CHUNK) { memset(t38_amp[i] + t38_len[i], 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len[i])); t38_len[i] = SAMPLES_PER_CHUNK; } } if (feedback_audio) { for (j = 0; j < t30_len[i]; j++) t30_amp[i][j] += t38_amp_hist_a[hist_ptr][j] >> 1; memcpy(t38_amp_hist_a[hist_ptr], t38_amp[i], sizeof(int16_t)*SAMPLES_PER_CHUNK); } if (log_audio) { for (j = 0; j < t38_len[i]; j++) out_amp[4*j + 2*i + 1] = t38_amp[i][j]; } } } if (mode[i] != AUDIO_FAX) { while ((msg_len = g1050_get(g1050_path[i], msg, 1024, when, &seq_no, &tx_when, &rx_when)) >= 0) { #if defined(ENABLE_GUI) if (use_gui) media_monitor_rx(seq_no, tx_when, rx_when); #endif t38_core_rx_ifp_packet(t38_core_state[i ^ 1], msg, msg_len, seq_no); } } } if (log_audio) { outframes = sf_writef_short(wave_handle, out_amp, SAMPLES_PER_CHUNK); if (outframes != SAMPLES_PER_CHUNK) break; } when += (float) SAMPLES_PER_CHUNK/(float) SAMPLE_RATE; if (completed[0] && completed[1]) break; #if defined(ENABLE_GUI) if (use_gui) media_monitor_update_display(); #endif if (++hist_ptr > 3) hist_ptr = 0; } for (i = 0; i < 2; i++) { if (mode[i] == T38_GATEWAY_FAX) { t38_gateway_get_transfer_statistics(t38_gateway_state[i], &t38_stats); printf("%c side exchanged %d pages at %dbps, in %s mode\n", i + 'A', t38_stats.pages_transferred, t38_stats.bit_rate, (t38_stats.error_correcting_mode) ? "ECM" : "non-ECM"); } } if (input_wave_handle) { if (sf_close_telephony(input_wave_handle)) { fprintf(stderr, " Cannot close audio file '%s'\n", decode_file_name); exit(2); } } if (log_audio) { if (sf_close_telephony(wave_handle)) { fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_WAVE_FILE_NAME); exit(2); } } /* Check how many pages should have been transferred */ expected_pages = get_tiff_total_pages(input_tiff_file_name); if (end_page >= 0 && expected_pages > end_page + 1) expected_pages = end_page + 1; if (start_page >= 0) expected_pages -= start_page; /* Check how many pages were transferred */ for (i = 0; i < 2; i++) { if (!phase_e_reached[i]) break; if (!succeeded[i]) break; t30_get_transfer_statistics(t30_state[i], &t30_stats); if (i & 1) { if (t30_stats.pages_tx != 0 || t30_stats.pages_rx != expected_pages) break; } else { if (t30_stats.pages_tx != expected_pages || t30_stats.pages_rx != 0) break; } if (mode[i] == T38_TERMINAL_FAX) t38_terminal_free(t38_state[i]); else fax_free(fax_state[i]); if (mode[i] == T38_GATEWAY_FAX) t38_gateway_free(t38_gateway_state[i]); if (g1050_path[i]) { g1050_free(g1050_path[i]); g1050_path[i] = NULL; } } if (i < 2) { printf("Tests failed\n"); exit(2); } printf("Tests passed\n"); return 0; } /*- End of function --------------------------------------------------------*/ /*- End of file ------------------------------------------------------------*/