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);
}