static void phase_e_handler(t30_state_t *s, void *user_data, int result) { struct cw_channel *chan; char buf[128]; t30_stats_t t; const char *tx_ident; const char *rx_ident; chan = (struct cw_channel *) user_data; t30_get_transfer_statistics(s, &t); tx_ident = t30_get_tx_ident(s); if (tx_ident == NULL) tx_ident = ""; rx_ident = t30_get_rx_ident(s); if (rx_ident == NULL) rx_ident = ""; pbx_builtin_setvar_helper(chan, "REMOTESTATIONID", rx_ident); snprintf(buf, sizeof(buf), "%d", t.pages_rx); pbx_builtin_setvar_helper(chan, "FAXPAGES", buf); snprintf(buf, sizeof(buf), "%d", t.y_resolution); pbx_builtin_setvar_helper(chan, "FAXRESOLUTION", buf); snprintf(buf, sizeof(buf), "%d", t.bit_rate); pbx_builtin_setvar_helper(chan, "FAXBITRATE", buf); snprintf(buf, sizeof(buf), "%d", result); pbx_builtin_setvar_helper(chan, "PHASEESTATUS", buf); snprintf(buf, sizeof(buf), "%s", t30_completion_code_to_str(result)); pbx_builtin_setvar_helper(chan, "PHASEESTRING", buf); cw_log(LOG_DEBUG, "==============================================================================\n"); if (result == T30_ERR_OK) { cw_log(LOG_DEBUG, "Fax successfully received.\n"); cw_log(LOG_DEBUG, "Remote station id: %s\n", rx_ident); cw_log(LOG_DEBUG, "Local station id: %s\n", tx_ident); cw_log(LOG_DEBUG, "Pages transferred: %i\n", t.pages_rx); cw_log(LOG_DEBUG, "Image resolution: %i x %i\n", t.x_resolution, t.y_resolution); cw_log(LOG_DEBUG, "Transfer Rate: %i\n", t.bit_rate); manager_event(EVENT_FLAG_CALL, "FaxSent", "Channel: %s\nExten: %s\nCallerID: %s\nRemoteStationID: %s\nLocalStationID: %s\nPagesTransferred: %i\nResolution: %i\nTransferRate: %i\nFileName: %s\n", chan->name, chan->exten, (chan->cid.cid_num) ? chan->cid.cid_num : "", rx_ident, tx_ident, t.pages_rx, t.y_resolution, t.bit_rate, s->rx_file); } else { cw_log(LOG_DEBUG, "Fax receive not successful - result (%d) %s.\n", result, t30_completion_code_to_str(result)); } cw_log(LOG_DEBUG, "==============================================================================\n"); }
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; }
static void phase_e_handler(t30_state_t *s, void *user_data, int result) { int session; t30_stats_t t; const char *u; char ident[21]; session = (intptr_t) user_data; printf("Phase E handler on session %d - (%d) %s\n", session, result, t30_completion_code_to_str(result)); t30_get_transfer_statistics(s, &t); printf( "Phase E: bit rate %d\n", t.bit_rate); printf( "Phase E: ECM %s\n", (t.error_correcting_mode) ? "on" : "off"); printf( "Phase E: pages transferred %d\n", t.pages_transferred); printf( "Phase E: image size %d x %d\n", t.width, t.length); printf( "Phase E: image resolution %d x %d\n", t.x_resolution, t.y_resolution); printf( "Phase E: bad rows %d\n", t.bad_rows); printf( "Phase E: longest bad row run %d\n", t.longest_bad_row_run); printf( "Phase E: coding method %s\n", t4_encoding_to_str(t.encoding)); printf( "Phase E: image size %d bytes\n", t.image_size); t30_get_local_ident(s, ident); printf( "Phase E: local ident '%s'\n", ident); t30_get_far_ident(s, ident); printf( "Phase E: remote ident '%s'\n", ident); if ((u = t30_get_far_country(s))) printf( "Phase E: Remote was made in '%s'\n", u); if ((u = t30_get_far_vendor(s))) printf( "Phase E: Remote was made by '%s'\n", u); if ((u = t30_get_far_model(s))) printf( "Phase E: Remote is model '%s'\n", u); }
SPAN_DECLARE(void) t30_set_status(t30_state_t *s, int status) { if (s->current_status != status) { span_log(&s->logging, SPAN_LOG_FLOW, "Status changing to '%s'\n", t30_completion_code_to_str(status)); s->current_status = status; } }
/* * Called at the end of the document */ static void phase_e_handler(t30_state_t *s, void *user_data, int result) { t30_stats_t t; const char *local_ident; const char *far_ident; const char *tmp; fax_session_t *f_session; t30_get_transfer_statistics(s, &t); f_session = (fax_session_t *)user_data; tmp = t30_get_tx_ident(s); local_ident = tmp ? tmp : ""; tmp = t30_get_rx_ident(s); far_ident = tmp ? tmp : ""; printf("fax: Phase E handler (Call: '%s' %s)\n", f_session->call_id, f_session->pvt.caller ? "sender" : "receiver"); printf("fax: ==============================================================================\n"); if (result == T30_ERR_OK) { printf("fax: Fax successfully %s\n", f_session->pvt.caller ? "sent" : "received"); } else { printf("fax: Fax processing not successful - result (%d) %s\n", result, t30_completion_code_to_str(result)); } printf("fax: Remote station id: %s\n", far_ident); printf("fax: Local station id: %s\n", local_ident); printf("fax: Pages transferred: %i\n", f_session->pvt.caller ? t.pages_tx : t.pages_rx); printf("fax: Total fax pages: %i\n", t.pages_in_file); printf("fax: Image resolution: %ix%i\n", t.x_resolution, t.y_resolution); printf("fax: Transfer Rate: %i\n", t.bit_rate); printf("fax: ECM status %s\n", (t.error_correcting_mode) ? "on" : "off"); printf("fax: remote country: %s\n", (t30_get_rx_country(s) ? (t30_get_rx_country(s)) : "")); printf("fax: remote vendor: %s\n", (t30_get_rx_vendor(s) ? (t30_get_rx_vendor(s)) : "")); printf("fax: remote model: %s\n", (t30_get_rx_model(s) ? (t30_get_rx_model(s)) : "")); printf("fax: ==============================================================================\n"); /* Set our channel variables, variables are also used in event */ f_session->pvt.done = 1; if (result == T30_ERR_OK) f_session->fax_success = 1; else f_session->fax_success = 0; if(f_session->pvt.caller) sendRelese(f_session); }
static void phase_e_handler(t30_state_t *s, void *user_data, int result) { int i; t30_stats_t t; char tag[20]; i = (int) (intptr_t) user_data; snprintf(tag, sizeof(tag), "%c: Phase E", i); printf("%c: Phase E handler on channel %c - (%d) %s\n", i, i, 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); }
static void phase_e_handler(t30_state_t *s, void *user_data, int result) { int i; t30_stats_t t; char tag[20]; i = (int) (intptr_t) user_data; snprintf(tag, sizeof(tag), "%c: Phase E", i + 'A'); printf("%c: Phase E handler - (%d) %s\n", i + 'A', 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; }
static void phase_e_handler(t30_state_t *s, void *user_data, int result) { int i; t30_stats_t t; char tag[20]; i = (int) (intptr_t) user_data; snprintf(tag, sizeof(tag), "%c: Phase E", i); printf("%c: Phase E handler on channel %c - (%d) %s\n", i, i, 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 - 'A'] = (result == T30_ERR_OK) && (t.pages_tx == 12 || t.pages_rx == 12); done[i - 'A'] = true; }
static void phase_e_handler(t30_state_t *s, void *user_data, int result) { struct ast_channel *chan; char far_ident[21]; chan = (struct ast_channel *) user_data; if (result == T30_ERR_OK) { t30_get_far_ident(s, far_ident); pbx_builtin_setvar_helper(chan, "REMOTESTATIONID", far_ident); } else { ast_log(LOG_DEBUG, "==============================================================================\n"); ast_log(LOG_DEBUG, "Fax send not successful - result (%d) %s.\n", result, t30_completion_code_to_str(result)); ast_log(LOG_DEBUG, "==============================================================================\n"); } }
static int t38_tx_packet_handler(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) { struct ast_channel *chan = (struct ast_channel *) user_data; struct ast_frame outf = { .frametype = AST_FRAME_MODEM, .subclass.integer = AST_MODEM_T38, .src = __FUNCTION__, }; /* TODO: Asterisk does not provide means of resending the same packet multiple times so count is ignored at the moment */ AST_FRAME_SET_BUFFER(&outf, buf, 0, len); if (ast_write(chan, &outf) < 0) { ast_log(LOG_WARNING, "Unable to write frame to channel; %s\n", strerror(errno)); return -1; } return 0; } static void phase_e_handler(t30_state_t *f, void *user_data, int result) { const char *local_ident; const char *far_ident; char buf[20]; fax_session *s = (fax_session *) user_data; t30_stats_t stat; int pages_transferred; ast_debug(1, "Fax phase E handler. result=%d\n", result); t30_get_transfer_statistics(f, &stat); s = (fax_session *) user_data; if (result != T30_ERR_OK) { s->finished = -1; /* FAXSTATUS is already set to FAILED */ pbx_builtin_setvar_helper(s->chan, "FAXERROR", t30_completion_code_to_str(result)); ast_log(LOG_WARNING, "Error transmitting fax. result=%d: %s.\n", result, t30_completion_code_to_str(result)); return; } s->finished = 1; local_ident = S_OR(t30_get_tx_ident(f), ""); far_ident = S_OR(t30_get_rx_ident(f), ""); pbx_builtin_setvar_helper(s->chan, "FAXSTATUS", "SUCCESS"); pbx_builtin_setvar_helper(s->chan, "FAXERROR", NULL); pbx_builtin_setvar_helper(s->chan, "REMOTESTATIONID", far_ident); #if SPANDSP_RELEASE_DATE >= 20090220 pages_transferred = (s->direction) ? stat.pages_tx : stat.pages_rx; #else pages_transferred = stat.pages_transferred; #endif snprintf(buf, sizeof(buf), "%d", pages_transferred); pbx_builtin_setvar_helper(s->chan, "FAXPAGES", buf); snprintf(buf, sizeof(buf), "%d", stat.y_resolution); pbx_builtin_setvar_helper(s->chan, "FAXRESOLUTION", buf); snprintf(buf, sizeof(buf), "%d", stat.bit_rate); pbx_builtin_setvar_helper(s->chan, "FAXBITRATE", buf); ast_debug(1, "Fax transmitted successfully.\n"); ast_debug(1, " Remote station ID: %s\n", far_ident); ast_debug(1, " Pages transferred: %d\n", pages_transferred); ast_debug(1, " Image resolution: %d x %d\n", stat.x_resolution, stat.y_resolution); ast_debug(1, " Transfer Rate: %d\n", stat.bit_rate); ast_manager_event(s->chan, EVENT_FLAG_CALL, s->direction ? "FaxSent" : "FaxReceived", "Channel: %s\r\n" "Exten: %s\r\n" "CallerID: %s\r\n" "CallerIDName: %s\r\n" "ConnectedLineNum: %s\r\n" "ConnectedLineName: %s\r\n" "RemoteStationID: %s\r\n" "LocalStationID: %s\r\n" "PagesTransferred: %d\r\n" "Resolution: %d\r\n" "TransferRate: %d\r\n" "FileName: %s\r\n", ast_channel_name(s->chan), ast_channel_exten(s->chan), S_COR(ast_channel_caller(s->chan)->id.number.valid, ast_channel_caller(s->chan)->id.number.str, ""), S_COR(ast_channel_caller(s->chan)->id.name.valid, ast_channel_caller(s->chan)->id.name.str, ""), S_COR(ast_channel_connected(s->chan)->id.number.valid, ast_channel_connected(s->chan)->id.number.str, ""), S_COR(ast_channel_connected(s->chan)->id.name.valid, ast_channel_connected(s->chan)->id.name.str, ""), far_ident, local_ident, pages_transferred, stat.y_resolution, stat.bit_rate, s->file_name); } /* === Helper functions to configure fax === */ /* Setup SPAN logging according to Asterisk debug level */ static int set_logging(logging_state_t *state) { int level = SPAN_LOG_WARNING + option_debug; span_log_set_message_handler(state, span_message); span_log_set_level(state, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | level); return 0; }
static void phase_e_handler(t30_state_t *f, void *user_data, int result) { const char *local_ident; const char *far_ident; char buf[20]; fax_session *s = (fax_session *) user_data; t30_stats_t stat; ast_debug(1, "Fax phase E handler. result=%d\n", result); t30_get_transfer_statistics(f, &stat); s = (fax_session *) user_data; if (result != T30_ERR_OK) { s->finished = -1; /* FAXSTATUS is already set to FAILED */ pbx_builtin_setvar_helper(s->chan, "FAXERROR", t30_completion_code_to_str(result)); ast_log(LOG_WARNING, "Error transmitting fax. result=%d: %s.\n", result, t30_completion_code_to_str(result)); return; } s->finished = 1; local_ident = t30_get_tx_ident(f); far_ident = t30_get_rx_ident(f); pbx_builtin_setvar_helper(s->chan, "FAXSTATUS", "SUCCESS"); pbx_builtin_setvar_helper(s->chan, "FAXERROR", NULL); pbx_builtin_setvar_helper(s->chan, "REMOTESTATIONID", far_ident); snprintf(buf, sizeof(buf), "%d", stat.pages_transferred); pbx_builtin_setvar_helper(s->chan, "FAXPAGES", buf); snprintf(buf, sizeof(buf), "%d", stat.y_resolution); pbx_builtin_setvar_helper(s->chan, "FAXRESOLUTION", buf); snprintf(buf, sizeof(buf), "%d", stat.bit_rate); pbx_builtin_setvar_helper(s->chan, "FAXBITRATE", buf); ast_debug(1, "Fax transmitted successfully.\n"); ast_debug(1, " Remote station ID: %s\n", far_ident); ast_debug(1, " Pages transferred: %d\n", stat.pages_transferred); ast_debug(1, " Image resolution: %d x %d\n", stat.x_resolution, stat.y_resolution); ast_debug(1, " Transfer Rate: %d\n", stat.bit_rate); manager_event(EVENT_FLAG_CALL, s->direction ? "FaxSent" : "FaxReceived", "Channel: %s\r\n" "Exten: %s\r\n" "CallerID: %s\r\n" "RemoteStationID: %s\r\n" "LocalStationID: %s\r\n" "PagesTransferred: %d\r\n" "Resolution: %d\r\n" "TransferRate: %d\r\n" "FileName: %s\r\n", s->chan->name, s->chan->exten, S_OR(s->chan->cid.cid_num, ""), far_ident, local_ident, stat.pages_transferred, stat.y_resolution, stat.bit_rate, s->file_name); }
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; int use_ecm; int 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 remove_fill_bits; 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; 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; 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; t38_transport = T38_TRANSPORT_UDPTL; while ((opt = getopt(argc, argv, "c:d:D:efFgH:i:Ilm:M:n:p:s:tT:u:v:z:")) != -1) { switch (opt) { case 'c': code_to_look_up = atoi(optarg); 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 '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])); if (mode[i] == 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); } else { 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 instancel\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); } } 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], T30_SUPPORT_US_LETTER_LENGTH | T30_SUPPORT_US_LEGAL_LENGTH | T30_SUPPORT_UNLIMITED_LENGTH | T30_SUPPORT_215MM_WIDTH | T30_SUPPORT_255MM_WIDTH | T30_SUPPORT_303MM_WIDTH); t30_set_supported_resolutions(t30_state[i], T30_SUPPORT_STANDARD_RESOLUTION | T30_SUPPORT_FINE_RESOLUTION | T30_SUPPORT_SUPERFINE_RESOLUTION | T30_SUPPORT_R8_RESOLUTION | T30_SUPPORT_R16_RESOLUTION | T30_SUPPORT_300_300_RESOLUTION | T30_SUPPORT_400_400_RESOLUTION | T30_SUPPORT_600_600_RESOLUTION | T30_SUPPORT_1200_1200_RESOLUTION | T30_SUPPORT_300_600_RESOLUTION | T30_SUPPORT_400_800_RESOLUTION | T30_SUPPORT_600_1200_RESOLUTION); t30_set_ecm_capability(t30_state[i], use_ecm); if (use_ecm) { t30_set_supported_compressions(t30_state[i], T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION | T30_SUPPORT_T81_COMPRESSION | T30_SUPPORT_T85_COMPRESSION | T30_SUPPORT_T85_L0_COMPRESSION); } else { t30_set_supported_compressions(t30_state[i], T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION); } 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); 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; }
static int t38_tx_packet_handler(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) { struct ast_channel *chan = (struct ast_channel *) user_data; struct ast_frame outf = { .frametype = AST_FRAME_MODEM, .subclass.integer = AST_MODEM_T38, .src = __FUNCTION__, }; /* TODO: Asterisk does not provide means of resending the same packet multiple times so count is ignored at the moment */ AST_FRAME_SET_BUFFER(&outf, buf, 0, len); if (ast_write(chan, &outf) < 0) { ast_log(LOG_WARNING, "Unable to write frame to channel; %s\n", strerror(errno)); return -1; } return 0; } static void phase_e_handler(t30_state_t *f, void *user_data, int result) { RAII_VAR(struct ast_json *, json_object, NULL, ast_json_unref); RAII_VAR(struct ast_json *, json_filenames, NULL, ast_json_unref); RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup); const char *local_ident; const char *far_ident; char buf[20]; fax_session *s = (fax_session *) user_data; t30_stats_t stat; int pages_transferred; ast_debug(1, "Fax phase E handler. result=%d\n", result); t30_get_transfer_statistics(f, &stat); s = (fax_session *) user_data; if (result != T30_ERR_OK) { s->finished = -1; /* FAXSTATUS is already set to FAILED */ pbx_builtin_setvar_helper(s->chan, "FAXERROR", t30_completion_code_to_str(result)); ast_log(LOG_WARNING, "Error transmitting fax. result=%d: %s.\n", result, t30_completion_code_to_str(result)); return; } s->finished = 1; local_ident = S_OR(t30_get_tx_ident(f), ""); far_ident = S_OR(t30_get_rx_ident(f), ""); pbx_builtin_setvar_helper(s->chan, "FAXSTATUS", "SUCCESS"); pbx_builtin_setvar_helper(s->chan, "FAXERROR", NULL); pbx_builtin_setvar_helper(s->chan, "REMOTESTATIONID", far_ident); #if SPANDSP_RELEASE_DATE >= 20090220 pages_transferred = (s->direction) ? stat.pages_tx : stat.pages_rx; #else pages_transferred = stat.pages_transferred; #endif snprintf(buf, sizeof(buf), "%d", pages_transferred); pbx_builtin_setvar_helper(s->chan, "FAXPAGES", buf); snprintf(buf, sizeof(buf), "%d", stat.y_resolution); pbx_builtin_setvar_helper(s->chan, "FAXRESOLUTION", buf); snprintf(buf, sizeof(buf), "%d", stat.bit_rate); pbx_builtin_setvar_helper(s->chan, "FAXBITRATE", buf); ast_debug(1, "Fax transmitted successfully.\n"); ast_debug(1, " Remote station ID: %s\n", far_ident); ast_debug(1, " Pages transferred: %d\n", pages_transferred); ast_debug(1, " Image resolution: %d x %d\n", stat.x_resolution, stat.y_resolution); ast_debug(1, " Transfer Rate: %d\n", stat.bit_rate); json_filenames = ast_json_pack("[s]", s->file_name); if (!json_filenames) { return; } ast_json_ref(json_filenames); json_object = ast_json_pack("{s: s, s: s, s: s, s: i, s: i, s: i, s: o}", "type", s->direction ? "send" : "receive", "remote_station_id", far_ident, "local_station_id", local_ident, "fax_pages", pages_transferred, "fax_resolution", stat.y_resolution, "fax_bitrate", stat.bit_rate, "filenames", json_filenames); message = ast_channel_blob_create_from_cache(ast_channel_uniqueid(s->chan), ast_channel_fax_type(), json_object); if (!message) { return; } stasis_publish(ast_channel_topic(s->chan), message); }