static int fax_set_common(struct cw_channel *chan, t30_state_t *t30, const char *file, int calling_party, int verbose)
{
char *x;
x = pbx_builtin_getvar_helper(chan, "LOCALSTATIONID");
if (x && x[0])
t30_set_tx_ident(t30, x);
x = pbx_builtin_getvar_helper(chan, "LOCALSUBADDRESS");
if (x && x[0])
t30_set_tx_sub_address(t30, x);
x = pbx_builtin_getvar_helper(chan, "LOCALHEADERINFO");
if (x && x[0])
t30_set_tx_page_header_info(t30, x);
t30_set_rx_file(t30, file, -1);
x = pbx_builtin_getvar_helper(chan, "FAX_DISABLE_V17");
if (x && x[0])
t30_set_supported_modems(t30, T30_SUPPORT_V29 | T30_SUPPORT_V27TER);
x = pbx_builtin_getvar_helper(chan, "FAX_DISABLE_ECM");
if (x && x[0])
{
t30_set_supported_compressions(t30,
T30_SUPPORT_T4_1D_COMPRESSION
| T30_SUPPORT_T4_2D_COMPRESSION);
cw_log(LOG_DEBUG, "Disabling ECM mode\n");
}
else
{
t30_set_ecm_capability(t30, TRUE);
t30_set_supported_compressions(t30,
T30_SUPPORT_T4_1D_COMPRESSION
| T30_SUPPORT_T4_2D_COMPRESSION
| T30_SUPPORT_T6_COMPRESSION);
}
t30_set_supported_image_sizes(t30,
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,
T30_SUPPORT_STANDARD_RESOLUTION
| T30_SUPPORT_FINE_RESOLUTION
| T30_SUPPORT_SUPERFINE_RESOLUTION
| T30_SUPPORT_R8_RESOLUTION
| T30_SUPPORT_R16_RESOLUTION);
//t30_set_phase_b_handler(t30, phase_b_handler, chan);
t30_set_phase_d_handler(t30, phase_d_handler, chan);
t30_set_phase_e_handler(t30, phase_e_handler, chan);
return 0;
}
static void set_ecm(t30_state_t *state, int ecm)
{
t30_set_ecm_capability(state, ecm);
t30_set_supported_compressions(state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
}
int main(int argc, char *argv[])
{
int msg_len;
uint8_t msg[1024];
int t38_version;
int i;
int seq_no;
int use_ecm;
int without_pacing;
const char *input_file_name;
t38_version = 1;
without_pacing = FALSE;
input_file_name = INPUT_FILE_NAME;
use_ecm = FALSE;
simulate_incrementing_repeats = FALSE;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-e") == 0)
{
use_ecm = TRUE;
continue;
}
if (strcmp(argv[i], "-i") == 0)
{
i++;
input_file_name = argv[i];
continue;
}
if (strcmp(argv[i], "-I") == 0)
{
simulate_incrementing_repeats = TRUE;
continue;
}
if (strcmp(argv[i], "-p") == 0)
{
without_pacing = TRUE;
continue;
}
if (strcmp(argv[i], "-v") == 0)
{
i++;
t38_version = atoi(argv[i]);
continue;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if (t38_terminal_init(&t38_state_a, TRUE, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_terminal_set_config(&t38_state_a, without_pacing);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
span_log_set_level(&t38_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t30_state.logging, "T.38-A");
t30_set_local_ident(&t38_state_a.t30_state, "11111111");
t30_set_tx_file(&t38_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&t38_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&t38_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&t38_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(&t38_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&t38_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
if (t38_terminal_init(&t38_state_b, FALSE, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_b.t38, t38_version);
t38_terminal_set_config(&t38_state_b, without_pacing);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
span_log_set_level(&t38_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t30_state.logging, "T.38-B");
t30_set_local_ident(&t38_state_b.t30_state, "22222222");
t30_set_rx_file(&t38_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&t38_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&t38_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&t38_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(&t38_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&t38_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
for (;;)
{
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
done[0] = t38_terminal_send_timeout(&t38_state_a, SAMPLES_PER_CHUNK);
done[1] = t38_terminal_send_timeout(&t38_state_b, SAMPLES_PER_CHUNK);
while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
{
t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len);
}
while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
{
t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len);
}
if (done[0] && done[1])
break;
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
int main(int argc, char *argv[])
{
int16_t silence[SAMPLES_PER_CHUNK];
int16_t t30_amp_a[SAMPLES_PER_CHUNK];
int16_t t38_amp_a[SAMPLES_PER_CHUNK];
int16_t t38_amp_b[SAMPLES_PER_CHUNK];
int16_t t30_amp_b[SAMPLES_PER_CHUNK];
int16_t out_amp[SAMPLES_PER_CHUNK*4];
int t30_len_a;
int t38_len_a;
int t38_len_b;
int t30_len_b;
int log_audio;
int msg_len;
uint8_t msg[1024];
int outframes;
AFfilesetup filesetup;
AFfilehandle wave_handle;
int use_ecm;
int use_tep;
int use_transmit_on_idle;
int t38_version;
const char *input_file_name;
int i;
int seq_no;
int model_no;
int speed_pattern_no;
double tx_when;
double rx_when;
int use_gui;
int opt;
log_audio = FALSE;
use_ecm = FALSE;
t38_version = 1;
input_file_name = INPUT_FILE_NAME;
simulate_incrementing_repeats = FALSE;
model_no = 0;
speed_pattern_no = 1;
use_gui = FALSE;
use_tep = FALSE;
use_transmit_on_idle = TRUE;
while ((opt = getopt(argc, argv, "egi:Ilm:s:tv:")) != -1)
{
switch (opt)
{
case 'e':
use_ecm = TRUE;
break;
case 'g':
use_gui = TRUE;
break;
case 'i':
input_file_name = optarg;
break;
case 'I':
simulate_incrementing_repeats = TRUE;
break;
case 'l':
log_audio = TRUE;
break;
case 'm':
model_no = optarg[0] - 'A' + 1;
break;
case 's':
speed_pattern_no = atoi(optarg);
break;
case 't':
use_tep = TRUE;
break;
case 'v':
t38_version = atoi(optarg);
break;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 4);
if ((wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
memset(silence, 0, sizeof(silence));
srand48(0x1234567);
if ((path_a_to_b = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if (fax_init(&fax_state_a, TRUE) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
fax_set_transmit_on_idle(&fax_state_a, use_transmit_on_idle);
fax_set_tep_mode(&fax_state_a, use_tep);
//t30_set_supported_modems(&(fax_state_a.t30_state), T30_SUPPORT_V27TER | T30_SUPPORT_V29);
t30_set_local_ident(&fax_state_a.t30_state, "11111111");
t30_set_tx_file(&fax_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&fax_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&fax_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&fax_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_local_nsf(&fax_state_a.t30_state, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_ecm_capability(&fax_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.logging, "FAX-A ");
span_log_set_level(&fax_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.t30_state.logging, "FAX-A ");
memset(t30_amp_a, 0, sizeof(t30_amp_a));
if (t38_gateway_init(&t38_state_a, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_gateway_set_transmit_on_idle(&t38_state_a, use_transmit_on_idle);
//t38_gateway_set_supported_modems(&t38_state_a, T30_SUPPORT_V27TER | T30_SUPPORT_V29);
//t38_gateway_set_nsx_suppression(&t38_state_a, FALSE);
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_gateway_set_ecm_capability(&t38_state_a, use_ecm);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
memset(t38_amp_a, 0, sizeof(t38_amp_a));
if (t38_gateway_init(&t38_state_b, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_gateway_set_transmit_on_idle(&t38_state_b, use_transmit_on_idle);
//t38_gateway_set_supported_modems(&t38_state_b, T30_SUPPORT_V27TER | T30_SUPPORT_V29);
//t38_gateway_set_nsx_suppression(&t38_state_b, FALSE);
t38_set_t38_version(&t38_state_b.t38, t38_version);
t38_gateway_set_ecm_capability(&t38_state_b, use_ecm);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
memset(t38_amp_b, 0, sizeof(t38_amp_b));
if (fax_init(&fax_state_b, FALSE) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
fax_set_transmit_on_idle(&fax_state_b, use_transmit_on_idle);
fax_set_tep_mode(&fax_state_b, use_tep);
t30_set_local_ident(&fax_state_b.t30_state, "22222222");
t30_set_rx_file(&fax_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&fax_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&fax_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&fax_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_local_nsf(&fax_state_b.t30_state, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_ecm_capability(&fax_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_b.logging, "FAX-B ");
span_log_set_level(&fax_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_b.t30_state.logging, "FAX-B ");
memset(t30_amp_b, 0, sizeof(t30_amp_b));
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
for (;;)
{
span_log_bump_samples(&fax_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
memset(out_amp, 0, sizeof(out_amp));
t30_len_a = fax_tx(&fax_state_a, t30_amp_a, 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_a < SAMPLES_PER_CHUNK)
{
memset(t30_amp_a + t30_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_a));
t30_len_a = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t30_len_a; i++)
out_amp[i*4] = t30_amp_a[i];
}
if (t38_gateway_rx(&t38_state_a, t30_amp_a, t30_len_a))
break;
t38_len_a = t38_gateway_tx(&t38_state_a, t38_amp_a, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
if (t38_len_a < SAMPLES_PER_CHUNK)
{
memset(t38_amp_a + t38_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_a));
t38_len_a = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t38_len_a; i++)
out_amp[i*4 + 1] = t38_amp_a[i];
}
if (fax_rx(&fax_state_a, t38_amp_a, SAMPLES_PER_CHUNK))
break;
t30_len_b = fax_tx(&fax_state_b, t30_amp_b, 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_b < SAMPLES_PER_CHUNK)
{
memset(t30_amp_b + t30_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_b));
t30_len_b = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t30_len_b; i++)
out_amp[i*4 + 3] = t30_amp_b[i];
}
if (t38_gateway_rx(&t38_state_b, t30_amp_b, t30_len_b))
break;
t38_len_b = t38_gateway_tx(&t38_state_b, t38_amp_b, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
if (t38_len_b < SAMPLES_PER_CHUNK)
{
memset(t38_amp_b + t38_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_b));
t38_len_b = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t38_len_b; i++)
out_amp[i*4 + 2] = t38_amp_b[i];
}
if (fax_rx(&fax_state_b, t38_amp_b, SAMPLES_PER_CHUNK))
break;
when += 0.02;
while ((msg_len = g1050_get(path_a_to_b, 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_state_b.t38, msg, msg_len, seq_no);
}
while ((msg_len = g1050_get(path_b_to_a, 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_state_a.t38, msg, msg_len, seq_no);
}
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
if (done[0] && done[1])
break;
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
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;
}
int main(int argc, char *argv[])
{
int16_t t38_amp_b[SAMPLES_PER_CHUNK];
int16_t t30_amp_b[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
int t38_len_b;
int t30_len_b;
int msg_len;
uint8_t msg[1024];
int log_audio;
int outframes;
SNDFILE *wave_handle;
int t38_version;
int use_ecm;
int use_tep;
int feedback_audio;
int use_transmit_on_idle;
const char *input_file_name;
int i;
int seq_no;
int g1050_model_no;
int g1050_speed_pattern_no;
double tx_when;
double rx_when;
int use_gui;
int supported_modems;
int opt;
t30_state_t *t30;
t38_core_state_t *t38_core;
logging_state_t *logging;
log_audio = false;
t38_version = 1;
use_ecm = false;
input_file_name = INPUT_FILE_NAME;
simulate_incrementing_repeats = false;
g1050_model_no = 0;
g1050_speed_pattern_no = 1;
use_gui = false;
use_tep = false;
feedback_audio = false;
use_transmit_on_idle = true;
supported_modems = T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17;
while ((opt = getopt(argc, argv, "efgi:Ilm:M:s:tv:")) != -1)
{
switch (opt)
{
case 'e':
use_ecm = true;
break;
case 'f':
feedback_audio = true;
break;
case 'g':
#if defined(ENABLE_GUI)
use_gui = true;
#else
fprintf(stderr, "Graphical monitoring not available\n");
exit(2);
#endif
break;
case 'i':
input_file_name = optarg;
break;
case 'I':
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 's':
g1050_speed_pattern_no = atoi(optarg);
break;
case 't':
use_tep = true;
break;
case 'v':
t38_version = atoi(optarg);
break;
default:
//usage();
exit(2);
break;
}
}
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_FILE_NAME_WAVE, 2)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
srand48(0x1234567);
if ((path_a_to_b = g1050_init(g1050_model_no, g1050_speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = g1050_init(g1050_model_no, g1050_speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((t38_state_a = t38_terminal_init(NULL, true, tx_packet_handler_a, &t38_state_b)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state_a);
t38_core = t38_terminal_get_t38_core_state(t38_state_a);
t38_set_t38_version(t38_core, t38_version);
logging = t38_terminal_get_logging_state(t38_state_a);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-A");
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-A");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-A");
t30_set_supported_modems(t30, supported_modems);
t30_set_tx_ident(t30, "11111111");
t30_set_tx_file(t30, input_file_name, -1, -1);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(t30, use_ecm);
if (use_ecm)
t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
if ((t38_state_b = t38_gateway_init(NULL, tx_packet_handler_b, &t38_state_a)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_core = t38_gateway_get_t38_core_state(t38_state_b);
t38_gateway_set_transmit_on_idle(t38_state_b, use_transmit_on_idle);
t38_set_t38_version(t38_core, t38_version);
t38_gateway_set_ecm_capability(t38_state_b, use_ecm);
logging = t38_gateway_get_logging_state(t38_state_b);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-B");
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-B");
memset(t38_amp_b, 0, sizeof(t38_amp_b));
if ((fax_state_b = fax_init(NULL, false)) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
t30 = fax_get_t30_state(fax_state_b);
fax_set_transmit_on_idle(fax_state_b, use_transmit_on_idle);
fax_set_tep_mode(fax_state_b, use_tep);
t30_set_supported_modems(t30, supported_modems);
t30_set_tx_ident(t30, "22222222");
t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_rx_file(t30, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(t30, use_ecm);
if (use_ecm)
t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
logging = fax_get_logging_state(fax_state_b);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX-B ");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX-B ");
memset(t30_amp_b, 0, sizeof(t30_amp_b));
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
for (;;)
{
logging = t38_terminal_get_logging_state(t38_state_a);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t38_core = t38_terminal_get_t38_core_state(t38_state_a);
logging = t38_core_get_logging_state(t38_core);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t30 = t38_terminal_get_t30_state(t38_state_a);
logging = t30_get_logging_state(t30);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
logging = t38_gateway_get_logging_state(t38_state_b);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t38_core = t38_gateway_get_t38_core_state(t38_state_b);
logging = t38_core_get_logging_state(t38_core);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
logging = fax_get_logging_state(fax_state_b);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t30 = fax_get_t30_state(fax_state_b);
logging = t30_get_logging_state(t30);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
memset(out_amp, 0, sizeof(out_amp));
t38_terminal_send_timeout(t38_state_a, SAMPLES_PER_CHUNK);
t30_len_b = fax_tx(fax_state_b, t30_amp_b, 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_b < SAMPLES_PER_CHUNK)
{
memset(t30_amp_b + t30_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_b));
t30_len_b = SAMPLES_PER_CHUNK;
}
}
if (feedback_audio)
{
for (i = 0; i < t30_len_b; i++)
t30_amp_b[i] += t38_amp_b[i] >> 1;
}
if (log_audio)
{
for (i = 0; i < t30_len_b; i++)
out_amp[2*i + 1] = t30_amp_b[i];
}
if (t38_gateway_rx(t38_state_b, t30_amp_b, t30_len_b))
break;
t38_len_b = t38_gateway_tx(t38_state_b, t38_amp_b, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
if (t38_len_b < SAMPLES_PER_CHUNK)
{
memset(t38_amp_b + t38_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_b));
t38_len_b = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t38_len_b; i++)
out_amp[2*i] = t38_amp_b[i];
}
if (fax_rx(fax_state_b, t38_amp_b, SAMPLES_PER_CHUNK))
break;
when += (float) SAMPLES_PER_CHUNK/(float) SAMPLE_RATE;
while ((msg_len = g1050_get(path_a_to_b, 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 = t38_gateway_get_t38_core_state(t38_state_b);
t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
}
while ((msg_len = g1050_get(path_b_to_a, 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 = t38_terminal_get_t38_core_state(t38_state_a);
t38_core_rx_ifp_packet(t38_core, 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;
}
if (done[0] && done[1])
break;
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
}
t38_terminal_release(t38_state_a);
fax_release(fax_state_b);
if (log_audio)
{
if (sf_close(wave_handle) != 0)
{
fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
int main(int argc, char *argv[])
{
int16_t t38_amp_a[SAMPLES_PER_CHUNK];
int16_t t30_amp_a[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
int t38_len_a;
int t30_len_a;
int msg_len;
uint8_t msg[1024];
int log_audio;
int outframes;
int t38_version;
int use_ecm;
AFfilesetup filesetup;
AFfilehandle wave_handle;
const char *input_file_name;
int i;
int seq_no;
log_audio = FALSE;
t38_version = 1;
use_ecm = FALSE;
input_file_name = INPUT_FILE_NAME;
simulate_incrementing_repeats = FALSE;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-e") == 0)
{
use_ecm = TRUE;
continue;
}
if (strcmp(argv[i], "-i") == 0)
{
i++;
input_file_name = argv[i];
continue;
}
if (strcmp(argv[i], "-I") == 0)
{
simulate_incrementing_repeats = TRUE;
continue;
}
if (strcmp(argv[i], "-l") == 0)
{
log_audio = TRUE;
continue;
}
if (strcmp(argv[i], "-v") == 0)
{
i++;
t38_version = atoi(argv[i]);
continue;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup);
if (wave_handle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
fax_init(&fax_state_a, TRUE);
t30_set_local_ident(&fax_state_a.t30_state, "11111111");
t30_set_tx_file(&fax_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&fax_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&fax_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&fax_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(&fax_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.logging, "FAX-A ");
span_log_set_level(&fax_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.t30_state.logging, "FAX-A ");
memset(t30_amp_a, 0, sizeof(t30_amp_a));
if (t38_gateway_init(&t38_state_a, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_gateway_ecm_control(&t38_state_a, use_ecm);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
memset(t38_amp_a, 0, sizeof(t38_amp_a));
if (t38_terminal_init(&t38_state_b, FALSE, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_b.t38, t38_version);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
span_log_set_level(&t38_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t30_state.logging, "T.38-B");
t30_set_local_ident(&t38_state_b.t30_state, "22222222");
t30_set_rx_file(&t38_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&t38_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&t38_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&t38_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(&t38_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&t38_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
for (;;)
{
span_log_bump_samples(&fax_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
memset(out_amp, 0, sizeof(out_amp));
t38_terminal_send_timeout(&t38_state_b, SAMPLES_PER_CHUNK);
t30_len_a = fax_tx(&fax_state_a, t30_amp_a, SAMPLES_PER_CHUNK);
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len_a < SAMPLES_PER_CHUNK)
{
memset(t30_amp_a + t30_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_a));
t30_len_a = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (i = 0; i < t30_len_a; i++)
out_amp[2*i] = t30_amp_a[i];
}
if (t38_gateway_rx(&t38_state_a, t30_amp_a, t30_len_a))
break;
t38_len_a = t38_gateway_tx(&t38_state_a, t38_amp_a, SAMPLES_PER_CHUNK);
if (t38_len_a < SAMPLES_PER_CHUNK)
{
memset(t38_amp_a + t38_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_a));
t38_len_a = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (i = 0; i < t38_len_a; i++)
out_amp[2*i + 1] = t38_amp_a[i];
}
if (fax_rx(&fax_state_a, t38_amp_a, SAMPLES_PER_CHUNK))
break;
while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len);
while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len);
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
if (done[0] && done[1])
break;
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
int main(int argc, char *argv[])
{
t30_state_t *t30;
logging_state_t *logging;
const char *input_file_name;
int t38_version;
int caller;
int use_ecm;
int use_tep;
int options;
int supported_modems;
int fill_removal;
int opt;
int t38_terminal_operation;
uint32_t src_addr;
uint16_t src_port;
uint32_t dest_addr;
uint16_t dest_port;
caller = false;
use_ecm = false;
t38_version = 0;
options = 0;
input_file_name = INPUT_FILE_NAME;
fill_removal = false;
use_tep = false;
use_transmit_on_idle = true;
supported_modems = T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17;
t38_terminal_operation = true;
log_audio = false;
src_addr = 0;
src_port = 0;
dest_addr = 0;
dest_port = 0;
while ((opt = getopt(argc, argv, "cD:d:eFGi:lm:oS:s:tv:")) != -1)
{
switch (opt)
{
case 'c':
caller = true;
break;
case 'D':
dest_addr = parse_inet_addr(optarg);
break;
case 'd':
dest_port = atoi(optarg);
break;
case 'e':
use_ecm = true;
break;
case 'F':
fill_removal = true;
break;
case 'G':
t38_terminal_operation = false;
break;
case 'i':
input_file_name = optarg;
break;
case 'l':
log_audio = true;
break;
case 'm':
supported_modems = atoi(optarg);
break;
case 'o':
options = atoi(optarg);
break;
case 'S':
src_addr = parse_inet_addr(optarg);
break;
case 's':
src_port = atoi(optarg);
break;
case 't':
use_tep = true;
break;
case 'v':
t38_version = atoi(optarg);
break;
default:
//usage();
exit(2);
break;
}
}
printf("Using T.38 version %d\n", t38_version);
if (t38_terminal_operation)
{
if ((t38_terminal_state = t38_terminal_init(NULL, caller, tx_packet_handler, NULL)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_terminal_state);
t38_core = t38_terminal_get_t38_core_state(t38_terminal_state);
t38_set_t38_version(t38_core, t38_version);
t38_terminal_set_config(t38_terminal_state, options);
t38_terminal_set_tep_mode(t38_terminal_state, use_tep);
t38_terminal_set_fill_bit_removal(t38_terminal_state, fill_removal);
logging = t38_terminal_get_logging_state(t38_terminal_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
t30_set_supported_modems(t30, supported_modems);
t30_set_tx_ident(t30, "11111111");
t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
if (caller)
t30_set_tx_file(t30, INPUT_TIFF_FILE_NAME, -1, -1);
else
t30_set_rx_file(t30, OUTPUT_TIFF_FILE_NAME, -1);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(t30, use_ecm);
t30_set_supported_compressions(t30, T4_COMPRESSION_T4_1D | T4_COMPRESSION_T4_2D | T4_COMPRESSION_T6 | T4_COMPRESSION_T85);
if (pcap_scan_pkts(input_file_name, src_addr, src_port, dest_addr, dest_port, t38_terminal_timing_update, process_packet, NULL))
exit(2);
/* Push the time along, to flush out any remaining activity from the application. */
now.tv_sec += 60;
t38_terminal_timing_update(NULL, &now);
}
else
{
wave_handle = NULL;
if (log_audio)
{
if ((wave_handle = sf_open_telephony_write(OUTPUT_WAVE_FILE_NAME, 2)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
if ((t38_gateway_state = t38_gateway_init(NULL, tx_packet_handler, NULL)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_core = t38_gateway_get_t38_core_state(t38_gateway_state);
t38_gateway_set_transmit_on_idle(t38_gateway_state, use_transmit_on_idle);
t38_set_t38_version(t38_core, t38_version);
t38_gateway_set_ecm_capability(t38_gateway_state, use_ecm);
logging = t38_gateway_get_logging_state(t38_gateway_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38");
if ((fax_state = fax_init(NULL, caller)) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
t30 = fax_get_t30_state(fax_state);
fax_set_transmit_on_idle(fax_state, use_transmit_on_idle);
fax_set_tep_mode(fax_state, use_tep);
t30_set_supported_modems(t30, supported_modems);
t30_set_tx_ident(t30, "22222222");
t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
if (caller)
t30_set_tx_file(t30, INPUT_TIFF_FILE_NAME, -1, -1);
else
t30_set_rx_file(t30, OUTPUT_TIFF_FILE_NAME, -1);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(t30, use_ecm);
t30_set_supported_compressions(t30, T4_COMPRESSION_T4_1D | T4_COMPRESSION_T4_2D | T4_COMPRESSION_T6);
logging = fax_get_logging_state(fax_state);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX ");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "FAX ");
if (pcap_scan_pkts(input_file_name, src_addr, src_port, dest_addr, dest_port, t38_gateway_timing_update, process_packet, NULL))
exit(2);
/* Push the time along, to flush out any remaining activity from the application. */
now.tv_sec += 60;
t38_gateway_timing_update(NULL, &now);
fax_release(fax_state);
t38_gateway_release(t38_gateway_state);
if (log_audio)
{
if (sf_close_telephony(wave_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
}
}
/*
* Init appropriate spandsp objects to receive fax
*/
static int spanfax_init(fax_session_t *f_session, fax_transport_mod_e trans_mode)
{
t38_terminal_state_t *t38;
t38_core_state_t *t38_core;
t30_state_t *t30;
logging_state_t *logging;
int log_level;
int fec_entries = DEFAULT_FEC_ENTRIES;
int fec_span = DEFAULT_FEC_SPAN;
printf("fax: %s: start!\n", __func__);
switch(trans_mode) {
case FAX_TRANSPORT_T38_MOD:
memset(f_session->pvt.t38_state, 0, sizeof(t38_terminal_state_t));
if (t38_terminal_init(f_session->pvt.t38_state, f_session->pvt.caller,
t38_tx_packet_handler, f_session) == NULL) {
printf("fax: Cannot initialize T.38 structs\n");
return 0;
}
t38 = f_session->pvt.t38_state;
t30 = t38_terminal_get_t30_state(t38);
t38_core = f_session->pvt.t38_core = t38_terminal_get_t38_core_state(t38);
t38_terminal_set_config(t38, 0);
t38_terminal_set_tep_mode(t38, 0);
if (udptl_init(f_session->pvt.udptl_state, UDPTL_ERROR_CORRECTION_REDUNDANCY,
fec_span, fec_entries, (udptl_rx_packet_handler_t *) t38_core_rx_ifp_packet,
(void *) f_session->pvt.t38_core) == NULL) {
printf("fax: Cannot initialize UDPTL structs\n");
return 0;
}
if (f_session->pvt.verbose) {
log_level = SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG |
SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL |
SPAN_LOG_FLOW;
logging = t38_terminal_get_logging_state(t38);
span_log_set_message_handler(logging, spanfax_log_message);
span_log_set_level(logging, log_level);
span_log_set_tag(logging, f_session->log_tag);
logging = t38_core_get_logging_state(t38_core);
span_log_set_message_handler(logging, spanfax_log_message);
span_log_set_level(logging, log_level);
span_log_set_tag(logging, f_session->log_tag);
logging = t30_get_logging_state(t30);
span_log_set_message_handler(logging, spanfax_log_message);
span_log_set_level(logging, log_level);
span_log_set_tag(logging, f_session->log_tag);
}
break;
case FAX_TRANSPORT_AUDIO_MOD:
default:
return 0;
break;
}
/* All the things which are common to audio and T.38 FAX setup */
t30_set_tx_ident(t30, f_session->pvt.ident);
t30_set_tx_page_header_info(t30, f_session->pvt.header);
t30_set_phase_e_handler(t30, phase_e_handler, f_session);
t30_set_phase_d_handler(t30, phase_d_handler, f_session);
t30_set_phase_b_handler(t30, phase_b_handler, f_session);
t30_set_supported_image_sizes(t30, 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, T30_SUPPORT_STANDARD_RESOLUTION
| T30_SUPPORT_FINE_RESOLUTION
| T30_SUPPORT_SUPERFINE_RESOLUTION
| T30_SUPPORT_R16_RESOLUTION
| T30_SUPPORT_R8_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
);
#if 0
t30_set_supported_colour_resolutions(t30, 0);
#endif
if (f_session->pvt.disable_v17) {
t30_set_supported_modems(t30, T30_SUPPORT_V29 | T30_SUPPORT_V27TER);
} else {
t30_set_supported_modems(t30, T30_SUPPORT_V29 | T30_SUPPORT_V27TER
| T30_SUPPORT_V17);
}
if (f_session->pvt.use_ecm) {
t30_set_ecm_capability(t30, TRUE);
t30_set_supported_compressions(t30,
T30_SUPPORT_T4_1D_COMPRESSION
| T30_SUPPORT_T4_2D_COMPRESSION
| T30_SUPPORT_T6_COMPRESSION
| T30_SUPPORT_T85_COMPRESSION
| T30_SUPPORT_T85_L0_COMPRESSION);
} else {
t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION
| T30_SUPPORT_T4_2D_COMPRESSION);
}
if (f_session->pvt.caller) {
t30_set_tx_file(t30, f_session->pvt.filename, -1, -1);
} else {
t30_set_rx_file(t30, f_session->pvt.filename, -1);
}
return 0;
}
int main(int argc, char *argv[])
{
SNDFILE *wave_handle;
SNDFILE *input_wave_handle;
int i;
int j;
int k;
struct machine_s *mc;
int outframes;
char buf[128 + 1];
int16_t silence[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
int alldone;
const char *input_tiff_file_name;
const char *input_audio_file_name;
int log_audio;
int use_ecm;
int use_tep;
int use_transmit_on_idle;
#if defined(WITH_SPANDSP_INTERNALS)
int use_line_hits;
#endif
int polled_mode;
int reverse_flow;
int use_page_limits;
int supported_modems;
int signal_level;
int noise_level;
float signal_scaling;
time_t start_time;
time_t end_time;
int scan_line_time;
char *page_header_info;
int opt;
t30_state_t *t30;
logging_state_t *logging;
log_audio = false;
input_tiff_file_name = INPUT_TIFF_FILE_NAME;
input_audio_file_name = NULL;
use_ecm = false;
#if defined(WITH_SPANDSP_INTERNALS)
use_line_hits = false;
#endif
use_tep = false;
polled_mode = false;
page_header_info = NULL;
reverse_flow = false;
use_transmit_on_idle = true;
use_receiver_not_ready = false;
use_page_limits = false;
signal_level = 0;
noise_level = -99;
scan_line_time = 0;
supported_modems = T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17;
while ((opt = getopt(argc, argv, "ehH:i:I:lm:n:prRs:S:tTw:")) != -1)
{
switch (opt)
{
case 'e':
use_ecm = true;
break;
#if defined(WITH_SPANDSP_INTERNALS)
case 'h':
use_line_hits = true;
break;
#endif
case 'H':
page_header_info = optarg;
break;
case 'i':
input_tiff_file_name = optarg;
break;
case 'I':
input_audio_file_name = optarg;
break;
case 'l':
log_audio = true;
break;
case 'm':
supported_modems = atoi(optarg);
break;
case 'n':
noise_level = atoi(optarg);
break;
case 'p':
polled_mode = true;
break;
case 'r':
reverse_flow = true;
break;
case 'R':
use_receiver_not_ready = true;
break;
case 's':
signal_level = atoi(optarg);
break;
case 'S':
scan_line_time = atoi(optarg);
break;
case 't':
use_tep = true;
break;
case 'T':
use_page_limits = true;
break;
case 'w':
t30_state_to_wreck = atoi(optarg);
break;
default:
//usage();
exit(2);
break;
}
}
input_wave_handle = NULL;
if (input_audio_file_name)
{
if ((input_wave_handle = sf_open_telephony_read(input_audio_file_name, 1)) == NULL)
{
fprintf(stderr, " Cannot open audio file '%s'\n", input_audio_file_name);
exit(2);
}
}
wave_handle = NULL;
if (log_audio)
{
if ((wave_handle = sf_open_telephony_write(OUTPUT_FILE_NAME_WAVE, 2)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
memset(silence, 0, sizeof(silence));
for (j = 0; j < FAX_MACHINES; j++)
{
machines[j].chan = j;
mc = &machines[j];
i = mc->chan + 1;
sprintf(buf, "%d%d%d%d%d%d%d%d", i, i, i, i, i, i, i, i);
if (reverse_flow)
mc->fax = fax_init(NULL, (mc->chan & 1) ? true : false);
else
mc->fax = fax_init(NULL, (mc->chan & 1) ? false : true);
mc->awgn = NULL;
signal_scaling = 1.0f;
if (noise_level > -99)
{
mc->awgn = awgn_init_dbm0(NULL, 1234567, noise_level);
signal_scaling = powf(10.0f, signal_level/20.0f);
printf("Signal scaling %f\n", signal_scaling);
}
fax_set_transmit_on_idle(mc->fax, use_transmit_on_idle);
fax_set_tep_mode(mc->fax, use_tep);
t30 = fax_get_t30_state(mc->fax);
t30_set_tx_ident(t30, buf);
t30_set_tx_sub_address(t30, "Sub-address");
t30_set_tx_sender_ident(t30, "Sender ID");
t30_set_tx_password(t30, "Password");
t30_set_tx_polled_sub_address(t30, "Polled sub-address");
t30_set_tx_selective_polling_address(t30, "Selective polling address");
t30_set_tx_page_header_info(t30, page_header_info);
t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_ecm_capability(t30, use_ecm);
t30_set_supported_t30_features(t30,
T30_SUPPORT_IDENTIFICATION
| T30_SUPPORT_SELECTIVE_POLLING
| T30_SUPPORT_SUB_ADDRESSING);
if ((mc->chan & 1))
t30_set_minimum_scan_line_time(t30, scan_line_time);
t30_set_supported_image_sizes(t30,
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,
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_supported_modems(t30, supported_modems);
if (use_ecm)
#if defined(SPANDSP_SUPPORT_T85)
t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION | T30_SUPPORT_T85_COMPRESSION);
#else
t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
#endif
if ((mc->chan & 1))
{
if (polled_mode)
{
if (use_page_limits)
t30_set_tx_file(t30, input_tiff_file_name, 3, 6);
else
t30_set_tx_file(t30, input_tiff_file_name, -1, -1);
}
else
{
sprintf(buf, "fax_tests_%d.tif", (mc->chan + 1)/2);
t30_set_rx_file(t30, buf, -1);
t30_set_rx_encoding(t30, T4_COMPRESSION_ITU_T6);
}
}
else
{
if (polled_mode)
{
sprintf(buf, "fax_tests_%d.tif", (mc->chan + 1)/2);
t30_set_rx_file(t30, buf, -1);
t30_set_rx_encoding(t30, T4_COMPRESSION_ITU_T6);
}
else
{
if (use_page_limits)
t30_set_tx_file(t30, input_tiff_file_name, 3, 6);
else
t30_set_tx_file(t30, input_tiff_file_name, -1, -1);
}
}
t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) mc->chan + 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) mc->chan + 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) mc->chan + 'A');
t30_set_real_time_frame_handler(t30, real_time_frame_handler, (void *) (intptr_t) mc->chan + 'A');
t30_set_document_handler(t30, document_handler, (void *) (intptr_t) mc->chan + 'A');
sprintf(mc->tag, "FAX-%d", j + 1);
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
span_log_set_tag(logging, mc->tag);
if ((j & 1))
{
span_log_set_level(&t30->t4.rx.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
span_log_set_tag(&t30->t4.rx.logging, mc->tag);
}
else
{
span_log_set_level(&t30->t4.tx.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
span_log_set_tag(&t30->t4.tx.logging, mc->tag);
}
logging = fax_get_logging_state(mc->fax);
span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME | SPAN_LOG_FLOW);
span_log_set_tag(logging, mc->tag);
memset(mc->amp, 0, sizeof(mc->amp));
mc->total_audio_time = 0;
mc->done = false;
}
time(&start_time);
for (;;)
{
alldone = true;
for (j = 0; j < FAX_MACHINES; j++)
{
mc = &machines[j];
if ((j & 1) == 0 && input_audio_file_name)
{
mc->len = sf_readf_short(input_wave_handle, mc->amp, SAMPLES_PER_CHUNK);
if (mc->len == 0)
break;
}
else
{
mc->len = fax_tx(mc->fax, mc->amp, SAMPLES_PER_CHUNK);
if (mc->awgn)
{
for (k = 0; k < mc->len; k++)
mc->amp[k] = ((int16_t) (mc->amp[k]*signal_scaling)) + awgn(mc->awgn);
}
}
mc->total_audio_time += 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 (mc->len < SAMPLES_PER_CHUNK)
{
memset(mc->amp + mc->len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - mc->len));
mc->len = SAMPLES_PER_CHUNK;
}
}
t30 = fax_get_t30_state(mc->fax);
logging = t30_get_logging_state(t30);
span_log_bump_samples(logging, mc->len);
logging = fax_get_logging_state(mc->fax);
span_log_bump_samples(logging, mc->len);
if (log_audio)
{
for (k = 0; k < mc->len; k++)
out_amp[2*k + j] = mc->amp[k];
}
if (machines[j ^ 1].len < SAMPLES_PER_CHUNK)
memset(machines[j ^ 1].amp + machines[j ^ 1].len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - machines[j ^ 1].len));
t30 = fax_get_t30_state(mc->fax);
#if defined(WITH_SPANDSP_INTERNALS)
if (use_line_hits)
{
/* TODO: This applies very crude line hits. improve it */
if (t30->state == 22)
{
if (++mc->error_delay == 100)
{
fprintf(stderr, "HIT %d!\n", j);
mc->error_delay = 0;
for (k = 0; k < 5; k++)
mc->amp[k] = 0;
}
}
}
if (t30->state == t30_state_to_wreck)
memset(machines[j ^ 1].amp, 0, sizeof(int16_t)*SAMPLES_PER_CHUNK);
#endif
if (fax_rx(mc->fax, machines[j ^ 1].amp, SAMPLES_PER_CHUNK))
break;
if (!mc->done)
alldone = false;
}
if (log_audio)
{
outframes = sf_writef_short(wave_handle, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
if (alldone || j < FAX_MACHINES)
break;
}
time(&end_time);
for (j = 0; j < FAX_MACHINES; j++)
{
mc = &machines[j];
fax_release(mc->fax);
}
if (log_audio)
{
if (sf_close(wave_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
if (input_audio_file_name)
{
if (sf_close(input_wave_handle))
{
fprintf(stderr, " Cannot close audio file '%s'\n", input_audio_file_name);
exit(2);
}
}
printf("Total audio time = %ds (wall time %ds)\n", machines[0].total_audio_time/8000, (int) (end_time - start_time));
return 0;
}
void client_run(int client_socket, char *local_ip, int local_port, char *remote_ip, int remote_port)
{
char sendbuf[RCVBUFSIZE], recvbuf[RCVBUFSIZE], infobuf[RCVBUFSIZE];
struct sockaddr_in addr = {0}, sendaddr = {0};
int read_bytes;
int usock;
int reuse_addr = 1;
fax_state_t fax;
char tmp[512], fn[512], *file_name = "/tmp/test.tiff";
int send_fax = FALSE;
int g711 = 0;
int pcmu = 0;
snprintf(sendbuf, sizeof(sendbuf), "connect\n\n");
send(client_socket, sendbuf, strlen(sendbuf), 0);
if ((read_bytes = recv(client_socket, infobuf, sizeof(infobuf), 0)) < 0) {
die("recv() failed");
}
#if SOCKET2ME_DEBUG
printf("READ [%s]\n", infobuf);
#endif
if (cheezy_get_var(infobuf, "Channel-Read-Codec-Name", tmp, sizeof(tmp))) {
if (!strcasecmp(tmp, "pcmu")) {
g711 = 1;
pcmu = 1;
} else if (!strcasecmp(tmp, "pcma")) {
g711 = 1;
}
}
snprintf(sendbuf, sizeof(sendbuf), "sendmsg\n"
"call-command: unicast\n"
"local-ip: %s\n"
"local-port: %d\n"
"remote-ip: %s\n"
"remote-port: %d\n"
"transport: udp\n"
"%s"
"\n",
local_ip, local_port,
remote_ip, remote_port,
g711 ? "flags: native\n" : ""
);
if (cheezy_get_var(infobuf, "variable_fax_file_name", fn, sizeof(fn))) {
file_name = fn;
}
if (cheezy_get_var(infobuf, "variable_fax_mode", tmp, sizeof(tmp))) {
if (!strcasecmp(tmp, "send")) {
send_fax = TRUE;
}
}
if (cheezy_get_var(infobuf, "variable_fax_preexec", tmp, sizeof(tmp))) {
set_vars(infobuf);
system(tmp);
}
#if SOCKET2ME_DEBUG
printf("SEND: [%s]\n", sendbuf);
#endif
send(client_socket, sendbuf, strlen(sendbuf), 0);
memset(recvbuf, 0, sizeof(recvbuf));
if ((read_bytes = recv(client_socket, recvbuf, sizeof(recvbuf), 0)) < 0) {
die("recv() failed");
}
#if SOCKET2ME_DEBUG
printf("READ [%s]\n", recvbuf);
#endif
if ((usock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
die("socket() failed");
}
setsockopt(usock, SOL_SOCKET, SO_REUSEADDR, &reuse_addr, sizeof(reuse_addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
/*addr.sin_addr.s_addr = inet_addr(remote_ip);*/
addr.sin_port = htons(remote_port);
sendaddr.sin_family = AF_INET;
sendaddr.sin_addr.s_addr = inet_addr(local_ip);
sendaddr.sin_port = htons(local_port);
if (bind(usock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
die("bind() failed");
}
printf("%s Fax filename: [%s] from %s:%d -> %s:%d\n", send_fax ? "Sending" : "Receiving", file_name, local_ip, local_port, remote_ip, remote_port);
fax_init(&fax, send_fax);
t30_set_local_ident(&fax.t30_state, "Socket 2 ME");
t30_set_header_info(&fax.t30_state, "Socket 2 ME");
if (send_fax) {
t30_set_tx_file(&fax.t30_state, file_name, -1, -1);
} else {
t30_set_rx_file(&fax.t30_state, file_name, -1);
}
t30_set_phase_b_handler(&fax.t30_state, phase_b_handler, NULL);
t30_set_phase_d_handler(&fax.t30_state, phase_d_handler, NULL);
t30_set_phase_e_handler(&fax.t30_state, phase_e_handler, NULL);
t30_set_document_handler(&fax.t30_state, document_handler, NULL);
t30_set_ecm_capability(&fax.t30_state, TRUE);
t30_set_supported_compressions(&fax.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
t30_set_supported_image_sizes(&fax.t30_state, 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(&fax.t30_state, T30_SUPPORT_STANDARD_RESOLUTION | T30_SUPPORT_FINE_RESOLUTION | T30_SUPPORT_SUPERFINE_RESOLUTION
| T30_SUPPORT_R8_RESOLUTION | T30_SUPPORT_R16_RESOLUTION);
for (;;) {
struct sockaddr_in local_addr = {0};
size_t cliAddrLen = sizeof(local_addr);
unsigned char audiobuf[1024], rawbuf[1024], outbuf[1024];
short *usebuf = NULL;
int tx, tx_bytes, bigger, sample_count;
fd_set ready;
FD_ZERO(&ready);
FD_SET(usock, &ready);
FD_SET(client_socket, &ready);
bigger = usock > client_socket ? usock : client_socket;
select(++bigger, &ready, NULL, NULL, NULL);
if (FD_ISSET(client_socket, &ready)) {
memset(recvbuf, 0, sizeof(recvbuf));
if ((read_bytes = recv(client_socket, recvbuf, sizeof(recvbuf), 0)) < 0) {
die("recv() failed");
}
if (read_bytes == 0) {
break;
}
#if SOCKET2ME_DEBUG
printf("READ [%s]\n", recvbuf);
#endif
}
if (!FD_ISSET(usock, &ready)) {
continue;
}
if ((read_bytes = recvfrom(usock, audiobuf, sizeof(audiobuf), 0, (struct sockaddr *) &local_addr, &cliAddrLen)) < 0) {
die("recvfrom() failed");
}
if (g711) {
int i;
short *rp = (short *) rawbuf;
for (i = 0; i < read_bytes; i++) {
if (pcmu) {
rp[i] = ulaw_to_linear(audiobuf[i]);
} else {
rp[i] = alaw_to_linear(audiobuf[i]);
}
}
usebuf = rp;
sample_count = read_bytes;
} else {
usebuf = (short *) audiobuf;
sample_count = read_bytes / 2;
}
fax_rx(&fax, usebuf, sample_count);
#if SOCKET2ME_DEBUG
printf("Handling client %s:%d %d bytes\n", inet_ntoa(local_addr.sin_addr), ntohs(local_addr.sin_port), read_bytes);
#endif
if ((tx = fax_tx(&fax, (short *)outbuf, sample_count)) < 0) {
printf("Fax Error\n");
break;
} else if (!tx) {
continue;
}
if (g711) {
int i;
short *bp = (short *) outbuf;
for (i = 0; i < tx; i++) {
if (pcmu) {
rawbuf[i] = linear_to_ulaw(bp[i]);
} else {
rawbuf[i] = linear_to_alaw(bp[i]);
}
}
usebuf = (short *) rawbuf;
tx_bytes = tx;
} else {
usebuf = (short *)outbuf;
tx_bytes = tx * 2;
}
cliAddrLen = sizeof(sendaddr);
if (sendto(usock, usebuf, tx_bytes, 0, (struct sockaddr *) &sendaddr, sizeof(sendaddr)) != tx_bytes) {
die("sendto() sent a different number of bytes than expected");
}
}
close(client_socket);
close(usock);
t30_terminate(&fax.t30_state);
fax_release(&fax);
if (cheezy_get_var(infobuf, "variable_fax_postexec", tmp, sizeof(tmp))) {
set_vars(infobuf);
system(tmp);
}
printf("Done\n");
snprintf(sendbuf, sizeof(sendbuf), "hangup\n\n");
send(client_socket, sendbuf, strlen(sendbuf), 0);
}
int main(int argc, char *argv[])
{
int msg_len;
uint8_t msg[1024];
int t38_version;
int seq_no;
int use_ecm;
int without_pacing;
int use_tep;
int model_no;
int speed_pattern_no;
const char *input_file_name;
double tx_when;
double rx_when;
int use_gui;
int supported_modems;
int opt;
t30_state_t *t30;
t38_core_state_t *t38_core;
logging_state_t *logging;
t38_version = 1;
without_pacing = FALSE;
use_tep = FALSE;
input_file_name = INPUT_FILE_NAME;
use_ecm = FALSE;
simulate_incrementing_repeats = FALSE;
model_no = 0;
speed_pattern_no = 1;
use_gui = FALSE;
supported_modems = T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17;
while ((opt = getopt(argc, argv, "efgi:Im:M:ps:tv:")) != -1)
{
switch (opt)
{
case 'e':
use_ecm = TRUE;
break;
case 'g':
#if defined(ENABLE_GUI)
use_gui = TRUE;
#else
fprintf(stderr, "Graphical monitoring not available\n");
exit(2);
#endif
break;
case 'i':
input_file_name = optarg;
break;
case 'I':
simulate_incrementing_repeats = TRUE;
break;
case 'm':
supported_modems = atoi(optarg);
break;
case 'M':
model_no = optarg[0] - 'A' + 1;
break;
case 'p':
without_pacing = TRUE;
break;
case 's':
speed_pattern_no = atoi(optarg);
break;
case 't':
use_tep = TRUE;
break;
case 'v':
t38_version = atoi(optarg);
break;
default:
//usage();
exit(2);
break;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
srand48(0x1234567);
if ((path_a_to_b = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((t38_state_a = t38_terminal_init(NULL, TRUE, tx_packet_handler_a, t38_state_b)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state_a);
t38_core = t38_terminal_get_t38_core_state(t38_state_a);
t38_set_t38_version(t38_core, t38_version);
t38_terminal_set_config(t38_state_a, without_pacing);
t38_terminal_set_tep_mode(t38_state_a, use_tep);
logging = t38_terminal_get_logging_state(t38_state_a);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-A");
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-A");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-A");
t30_set_supported_modems(t30, supported_modems);
t30_set_tx_ident(t30, "11111111");
t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_tx_file(t30, input_file_name, -1, -1);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(t30, use_ecm);
if (use_ecm)
t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
if ((t38_state_b = t38_terminal_init(NULL, FALSE, tx_packet_handler_b, t38_state_a)) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t30 = t38_terminal_get_t30_state(t38_state_b);
t38_core = t38_terminal_get_t38_core_state(t38_state_b);
t38_set_t38_version(t38_core, t38_version);
t38_terminal_set_config(t38_state_b, without_pacing);
t38_terminal_set_tep_mode(t38_state_b, use_tep);
logging = t38_terminal_get_logging_state(t38_state_b);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-B");
logging = t38_core_get_logging_state(t38_core);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-B");
logging = t30_get_logging_state(t30);
span_log_set_level(logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(logging, "T.38-B");
t30_set_supported_modems(t30, supported_modems);
t30_set_tx_ident(t30, "22222222");
t30_set_tx_nsf(t30, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_rx_file(t30, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(t30, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(t30, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(t30, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(t30, use_ecm);
if (use_ecm)
t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
for (;;)
{
logging = t38_terminal_get_logging_state(t38_state_a);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t38_core = t38_terminal_get_t38_core_state(t38_state_a);
logging = t38_core_get_logging_state(t38_core);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t30 = t38_terminal_get_t30_state(t38_state_a);
logging = t30_get_logging_state(t30);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
logging = t38_terminal_get_logging_state(t38_state_b);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t38_core = t38_terminal_get_t38_core_state(t38_state_b);
logging = t38_core_get_logging_state(t38_core);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
t30 = t38_terminal_get_t30_state(t38_state_b);
logging = t30_get_logging_state(t30);
span_log_bump_samples(logging, SAMPLES_PER_CHUNK);
done[0] = t38_terminal_send_timeout(t38_state_a, SAMPLES_PER_CHUNK);
done[1] = t38_terminal_send_timeout(t38_state_b, SAMPLES_PER_CHUNK);
when += (float) SAMPLES_PER_CHUNK/(float) SAMPLE_RATE;
while ((msg_len = g1050_get(path_a_to_b, 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 = t38_terminal_get_t38_core_state(t38_state_b);
t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
}
while ((msg_len = g1050_get(path_b_to_a, 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 = t38_terminal_get_t38_core_state(t38_state_a);
t38_core_rx_ifp_packet(t38_core, msg, msg_len, seq_no);
}
if (done[0] && done[1])
break;
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
}
t38_terminal_release(t38_state_a);
t38_terminal_release(t38_state_b);
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
static int txfax_exec(struct ast_channel *chan, void *data)
{
int res = 0;
char source_file[256];
char *s;
char *t;
char *v;
const char *x;
int option;
int len;
fax_state_t fax;
int calling_party;
int verbose;
int samples;
struct ast_module_user *u;
struct ast_frame *inf = NULL;
struct ast_frame outf;
int original_read_fmt;
int original_write_fmt;
uint8_t __buf[sizeof(uint16_t)*MAX_BLOCK_SIZE + 2*AST_FRIENDLY_OFFSET];
uint8_t *buf = __buf + AST_FRIENDLY_OFFSET;
if (chan == NULL)
{
ast_log(LOG_WARNING, "Fax transmit channel is NULL. Giving up.\n");
return -1;
}
span_set_message_handler(span_message);
/* The next few lines of code parse out the filename and header from the input string */
if (data == NULL)
{
/* No data implies no filename or anything is present */
ast_log(LOG_WARNING, "Txfax requires an argument (filename)\n");
return -1;
}
calling_party = FALSE;
verbose = FALSE;
source_file[0] = '\0';
for (option = 0, v = s = data; v; option++, s++)
{
t = s;
v = strchr(s, '|');
s = (v) ? v : s + strlen(s);
strncpy((char *) buf, t, s - t);
buf[s - t] = '\0';
if (option == 0)
{
/* The first option is always the file name */
len = s - t;
if (len > 255)
len = 255;
strncpy(source_file, t, len);
source_file[len] = '\0';
}
else if (strncmp("caller", t, s - t) == 0)
{
calling_party = TRUE;
}
else if (strncmp("debug", t, s - t) == 0)
{
verbose = TRUE;
}
}
/* Done parsing */
u = ast_module_user_add(chan);
if (chan->_state != AST_STATE_UP)
{
/* Shouldn't need this, but checking to see if channel is already answered
* Theoretically asterisk should already have answered before running the app */
res = ast_answer(chan);
}
if (!res)
{
original_read_fmt = chan->readformat;
if (original_read_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
if (res < 0)
{
ast_log(LOG_WARNING, "Unable to set to linear read mode, giving up\n");
return -1;
}
}
original_write_fmt = chan->writeformat;
if (original_write_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_write_format(chan, AST_FORMAT_SLINEAR);
if (res < 0)
{
ast_log(LOG_WARNING, "Unable to set to linear write mode, giving up\n");
res = ast_set_read_format(chan, original_read_fmt);
if (res)
ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name);
return -1;
}
}
fax_init(&fax, calling_party);
if (verbose)
fax.logging.level = SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW;
x = pbx_builtin_getvar_helper(chan, "LOCALSTATIONID");
if (x && x[0])
t30_set_local_ident(&fax.t30_state, x);
x = pbx_builtin_getvar_helper(chan, "LOCALHEADERINFO");
if (x && x[0])
t30_set_header_info(&fax.t30_state, x);
t30_set_tx_file(&fax.t30_state, source_file, -1, -1);
//t30_set_phase_b_handler(&fax.t30_state, phase_b_handler, chan);
//t30_set_phase_d_handler(&fax.t30_state, phase_d_handler, chan);
t30_set_phase_e_handler(&fax.t30_state, phase_e_handler, chan);
t30_set_ecm_capability(&fax.t30_state, TRUE);
t30_set_supported_compressions(&fax.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
while (ast_waitfor(chan, -1) > -1)
{
inf = ast_read(chan);
if (inf == NULL)
{
res = -1;
break;
}
if (inf->frametype == AST_FRAME_VOICE)
{
if (fax_rx(&fax, inf->data, inf->samples))
break;
samples = (inf->samples <= MAX_BLOCK_SIZE) ? inf->samples : MAX_BLOCK_SIZE;
len = fax_tx(&fax, (int16_t *) &buf[AST_FRIENDLY_OFFSET], samples);
if (len)
{
memset(&outf, 0, sizeof(outf));
outf.frametype = AST_FRAME_VOICE;
outf.subclass = AST_FORMAT_SLINEAR;
outf.datalen = len*sizeof(int16_t);
outf.samples = len;
outf.data = &buf[AST_FRIENDLY_OFFSET];
outf.offset = AST_FRIENDLY_OFFSET;
if (ast_write(chan, &outf) < 0)
{
ast_log(LOG_WARNING, "Unable to write frame to channel; %s\n", strerror(errno));
break;
}
}
}
ast_frfree(inf);
}
if (inf == NULL)
{
ast_log(LOG_DEBUG, "Got hangup\n");
res = -1;
}
if (original_read_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_read_format(chan, original_read_fmt);
if (res)
ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name);
}
if (original_write_fmt != AST_FORMAT_SLINEAR)
{
res = ast_set_write_format(chan, original_write_fmt);
if (res)
ast_log(LOG_WARNING, "Unable to restore write format on '%s'\n", chan->name);
}
t30_terminate(&fax.t30_state);
}
else
{
ast_log(LOG_WARNING, "Could not answer channel '%s'\n", chan->name);
}
ast_module_user_remove(u);
return res;
}