#include <string.h>
#include <assert.h>
#include <sndfile.h>
+#if !defined(_WIN32)
+#include <unistd.h>
+#endif
#define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
msg[0] = '\0';
return;
}
+ /*endif*/
pkt += 2;
p = len - 2;
/* Strip trailing spaces */
while (p > 1 && pkt[p - 1] == ' ')
p--;
+ /*endwhile*/
/* The string is actually backwards in the message */
k = 0;
while (p > 1)
msg[k++] = pkt[--p];
+ /*endwhile*/
msg[k] = '\0';
fprintf(stderr, "%s is: \"%s\"\n", t30_frametype(pkt[0]), msg);
}
const char *vendor;
const char *model;
+ if (frlen == 0)
+ {
+ return;
+ }
+ /*endif*/
fprintf(stderr, "%s %s:", io, t30_frametype(fr[2]));
for (i = 2; i < frlen; i++)
fprintf(stderr, " %02x", fr[i]);
+ /*endfor*/
fprintf(stderr, "\n");
type = fr[2] & 0xFE;
if (type == T30_DIS || type == T30_DTC || type == T30_DCS)
+ {
t30_decode_dis_dtc_dcs(&t30_dummy, fr, frlen);
+ }
+ /*endif*/
if (type == T30_CSI || type == T30_TSI || type == T30_PWD || type == T30_SEP || type == T30_SUB || type == T30_SID)
+ {
decode_20digit_msg(fr, frlen);
+ }
+ /*endif*/
if (type == T30_NSF || type == T30_NSS || type == T30_NSC)
{
if (t35_decode(&fr[3], frlen - 3, &country, &vendor, &model))
{
if (country)
fprintf(stderr, "The remote was made in '%s'\n", country);
+ /*endif*/
if (vendor)
fprintf(stderr, "The remote was made by '%s'\n", vendor);
+ /*endif*/
if (model)
fprintf(stderr, "The remote is a '%s'\n", model);
+ /*endif*/
}
+ /*endif*/
}
+ /*endif*/
}
/*- End of function --------------------------------------------------------*/
{
if (fallback_sequence[i].dcs_code == dcs_code)
break;
+ /*endif*/
}
+ /*endfor*/
if (fallback_sequence[i].bit_rate == 0)
return -1;
+ /*endif*/
return i;
}
/*- End of function --------------------------------------------------------*/
printf("Short DCS frame\n");
return -1;
}
+ /*endif*/
/* Make a local copy of the message, padded to the maximum possible length with zeros. This allows
us to simply pick out the bits, without worrying about whether they were set from the remote side. */
memcpy(dcs_frame, msg, len);
if (len < T30_MAX_DIS_DTC_DCS_LEN)
memset(dcs_frame + len, 0, T30_MAX_DIS_DTC_DCS_LEN - len);
+ /*endif*/
}
+ /*endif*/
octets_per_ecm_frame = (dcs_frame[6] & DISBIT4) ? 256 : 64;
y_resolution = T4_Y_RESOLUTION_FINE;
else
y_resolution = T4_Y_RESOLUTION_STANDARD;
+ /*endif*/
if ((dcs_frame[8] & DISBIT3))
{
{
x_resolution = T4_X_RESOLUTION_R8;
}
+ /*endif*/
image_width = widths[(dcs_frame[8] & DISBIT3) ? 2 : 1][dcs_frame[5] & (DISBIT2 | DISBIT1)];
line_encoding = T4_COMPRESSION_T4_2D;
else
line_encoding = T4_COMPRESSION_T4_1D;
+ /*endif*/
fprintf(stderr, "Selected compression %d\n", line_encoding);
if ((current_fallback = find_fallback_entry(dcs_frame[4] & (DISBIT6 | DISBIT5 | DISBIT4 | DISBIT3))) < 0)
printf("Remote asked for a modem standard we do not support\n");
+ /*endif*/
error_correcting_mode = ((dcs_frame[6] & DISBIT3) != 0);
return 0;
}
fprintf(stderr, "HDLC status is %s (%d)\n", signal_status_to_str(len), len);
return;
}
+ /*endif*/
if (ok)
{
fprintf(stderr, "Bad frame header - %02x %02x\n", msg[0], msg[1]);
return;
}
+ /*endif*/
print_frame("HDLC: ", msg, len);
type = msg[2] & 0xFE;
switch (type)
memcpy(&ecm_data[frame_no][0], &msg[4], len - 4);
ecm_len[frame_no] = (int16_t) (len - 4);
}
+ /*endif*/
break;
case T30_DCS:
check_rx_dcs(msg, len);
break;
}
+ /*endswitch*/
}
else
{
fprintf(stderr, "Bad HDLC frame ");
for (i = 0; i < len; i++)
fprintf(stderr, " %02x", msg[i]);
+ /*endfor*/
fprintf(stderr, "\n");
}
+ /*endif*/
}
/*- End of function --------------------------------------------------------*/
for (i = 0; i < 256; i++)
ecm_len[i] = -1;
+ /*endfor*/
}
/*- End of function --------------------------------------------------------*/
if (!t4_up)
return;
+ /*endif*/
if (error_correcting_mode)
{
for (i = 0; i < 256; i++)
{
if (ecm_len[i] > 0)
t4_rx_put(&t4_rx_state, ecm_data[i], ecm_len[i]);
+ /*endif*/
fprintf(stderr, "%d", (ecm_len[i] <= 0) ? 0 : 1);
}
+ /*endfor*/
fprintf(stderr, "\n");
}
+ /*endif*/
t4_rx_end_page(&t4_rx_state);
t4_rx_get_transfer_statistics(&t4_rx_state, &stats);
fprintf(stderr, "Pages = %d\n", stats.pages_transferred);
//t4_end();
break;
}
+ /*endswitch*/
return;
}
+ /*endif*/
//fprintf(stderr, "V.21 Rx bit %d - %d\n", rx_bits++, bit);
if (fast_trained == FAX_NONE)
hdlc_rx_put_bit(&hdlcrx, bit);
+ /*endif*/
}
/*- End of function --------------------------------------------------------*/
fast_trained = FAX_NONE;
break;
}
+ /*endswitch*/
return;
}
+ /*endif*/
if (error_correcting_mode)
{
hdlc_rx_put_bit(&hdlcrx, bit);
t4_end();
if (!end_of_page_detected)
fprintf(stderr, "End of page detected\n");
+ /*endif*/
end_of_page_detected = true;
}
+ /*endif*/
}
+ /*endif*/
//printf("V.17 Rx bit %d - %d\n", rx_bits++, bit);
}
/*- End of function --------------------------------------------------------*/
fast_trained = FAX_NONE;
break;
}
+ /*endswitch*/
return;
}
+ /*endif*/
if (error_correcting_mode)
{
hdlc_rx_put_bit(&hdlcrx, bit);
fprintf(stderr, "End of page detected\n");
end_of_page_detected = true;
}
+ /*endif*/
}
+ /*endif*/
//printf("V.29 Rx bit %d - %d\n", rx_bits++, bit);
}
/*- End of function --------------------------------------------------------*/
fast_trained = FAX_NONE;
break;
}
+ /*endswitch*/
return;
}
+ /*endif*/
if (error_correcting_mode)
{
hdlc_rx_put_bit(&hdlcrx, bit);
fprintf(stderr, "End of page detected\n");
end_of_page_detected = true;
}
+ /*endif*/
}
+ /*endif*/
//printf("V.27ter Rx bit %d - %d\n", rx_bits++, bit);
}
/*- End of function --------------------------------------------------------*/
int len;
const char *filename;
logging_state_t *logging;
+ int opt;
+ bool t30_decode_reversed;
+ bool t30_decode;
+ int i;
+ unsigned int hex;
+ char buf[1024];
+ uint8_t bytes[1024];
filename = "fax_samp.wav";
+ t30_decode_reversed = false;
+ t30_decode = false;
+ while ((opt = getopt(argc, argv, "c:ertw:x:y:")) != -1)
+ {
+ switch (opt)
+ {
+ case 'c':
+ /* Force, for when there is no DCS to set this properly */
+ if (strcmp(optarg, "T41D") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T4_1D;
+ }
+ else if (strcmp(optarg, "T42D") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T4_2D;
+ }
+ else if (strcmp(optarg, "T6") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T6;
+ }
+ else if (strcmp(optarg, "T85") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T85;
+ }
+#if defined(SPANDSP_SUPPORT_T88)
+ else if (strcmp(optarg, "T88") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T88;
+ }
+#endif
+ else if (strcmp(optarg, "T81") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T42_T81;
+ }
+ else if (strcmp(optarg, "T43") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T43;
+ }
+#if defined(SPANDSP_SUPPORT_T45)
+ else if (strcmp(optarg, "T45") == 0)
+ {
+ line_encoding = T4_COMPRESSION_T45;
+ }
+#endif
+ else
+ {
+ printf("Unrecognised line compression.\n");
+ exit(2);
+ }
+ /*endif*/
+ break;
+ case 'e':
+ /* Force, for when there is no DCS to set this properly */
+ error_correcting_mode = true;
+ break;
+ case 'r':
+ t30_decode_reversed = true;
+ break;
+ case 't':
+ t30_decode = true;
+ break;
+ case 'w':
+ /* Force, for when there is no DCS to set this properly */
+ image_width = 1728;
+ break;
+ case 'x':
+ /* Force, for when there is no DCS to set this properly */
+ if (strcmp(optarg, "R4") == 0)
+ {
+ x_resolution = T4_X_RESOLUTION_R4;
+ }
+ else if (strcmp(optarg, "R8") == 0)
+ {
+ x_resolution = T4_X_RESOLUTION_R8;
+ }
+ else if (strcmp(optarg, "R16") == 0)
+ {
+ x_resolution = T4_X_RESOLUTION_R16;
+ }
+ else
+ {
+ printf("Unrecognised X-resolution.\n");
+ exit(2);
+ }
+ /*endif*/
+ break;
+ case 'y':
+ /* Force, for when there is no DCS to set this properly */
+ if (strcmp(optarg, "standard") == 0)
+ {
+ y_resolution = T4_Y_RESOLUTION_STANDARD;
+ }
+ else if (strcmp(optarg, "fine") == 0)
+ {
+ y_resolution = T4_Y_RESOLUTION_FINE;
+ }
+ else if (strcmp(optarg, "superfine") == 0)
+ {
+ y_resolution = T4_Y_RESOLUTION_SUPERFINE;
+ }
+ else
+ {
+ printf("Unrecognised Y-resolution.\n");
+ exit(2);
+ }
+ /*endif*/
+ break;
+ }
+ /*endswitch*/
+ }
+ /*endwhile*/
+ argc -= optind;
+ argv += optind;
- if (argc > 1)
- filename = argv[1];
+ if (argc > 0)
+ filename = argv[0];
+ /*endif*/
+ memset(&t30_dummy, 0, sizeof(t30_dummy));
+ logging = t30_get_logging_state(&t30_dummy);
+ span_log_init(logging, SPAN_LOG_NONE, NULL);
+ span_log_set_protocol(logging, "T.30");
+ 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);
+
+ if (t30_decode)
+ {
+ /* Decode T.30 messages entered as a string of hex byte values in the form xx xx xx */
+ while (fgets(buf, 1024, stdin))
+ {
+ for (i = 0; i < 256; i++)
+ {
+ if (sscanf(&buf[3*i], "%x", &hex) != 1)
+ break;
+ /*endif*/
+ if (t30_decode_reversed)
+ hex = bit_reverse8(hex);
+ /*endif*/
+ bytes[i] = hex;
+ }
+ /*endfor*/
+ print_frame("", bytes, i);
+ }
+ /*endwhile*/
+ exit(0);
+ }
+ /*endif*/
+
memset(&info, 0, sizeof(info));
if ((inhandle = sf_open(filename, SFM_READ, &info)) == NULL)
{
fprintf(stderr, " Cannot open audio file '%s' for reading\n", filename);
exit(2);
}
+ /*endif*/
if (info.samplerate != SAMPLE_RATE)
{
fprintf(stderr, " Unexpected sample rate in audio file '%s'\n", filename);
exit(2);
}
+ /*endif*/
if (info.channels != 1)
{
fprintf(stderr, " Unexpected number of channels in audio file '%s'\n", filename);
exit(2);
}
-
- memset(&t30_dummy, 0, sizeof(t30_dummy));
- logging = t30_get_logging_state(&t30_dummy);
- span_log_init(logging, SPAN_LOG_NONE, NULL);
- span_log_set_protocol(logging, "T.30");
- 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);
+ /*endif*/
hdlc_rx_init(&hdlcrx, false, true, 5, hdlc_accept, NULL);
fsk = fsk_rx_init(NULL, &preset_fsk_specs[FSK_V21CH2], FSK_FRAME_MODE_SYNC, v21_put_bit, NULL);
fprintf(stderr, "Failed to init\n");
exit(0);
}
+ /*endif*/
for (;;)
{
len = sf_readf_short(inhandle, amp, SAMPLES_PER_CHUNK);
if (len < SAMPLES_PER_CHUNK)
break;
+ /*endif*/
fsk_rx(fsk, amp, len);
v17_rx(v17, amp, len);
v29_rx(v29, amp, len);
logging = v27ter_rx_get_logging_state(v27ter_2400);
span_log_bump_samples(logging, len);
}
+ /*endfor*/
t4_rx_release(&t4_rx_state);
if (sf_close(inhandle))
fprintf(stderr, " Cannot close audio file '%s'\n", filename);
exit(2);
}
+ /*endif*/
return 0;
}
/*- End of function --------------------------------------------------------*/
projects / thirdparty / freeswitch.git / commitdiff
