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 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;
}