int main(int argc, char *argv[]) { fsk_rx_state_t *fsk; v17_rx_state_t *v17; v29_rx_state_t *v29; v27ter_rx_state_t *v27ter_4800; v27ter_rx_state_t *v27ter_2400; int16_t amp[SAMPLES_PER_CHUNK]; SNDFILE *inhandle; SF_INFO info; int len; const char *filename; logging_state_t *logging; filename = "fax_samp.wav"; if (argc > 1) filename = argv[1]; 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); } if (info.samplerate != SAMPLE_RATE) { fprintf(stderr, " Unexpected sample rate in audio file '%s'\n", filename); exit(2); } 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)); span_log_init(&t30_dummy.logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(&t30_dummy.logging, "T.30"); 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); v17 = v17_rx_init(NULL, 14400, v17_put_bit, NULL); v29 = v29_rx_init(NULL, 9600, v29_put_bit, NULL); //v29 = v29_rx_init(NULL, 7200, v29_put_bit, NULL); v27ter_4800 = v27ter_rx_init(NULL, 4800, v27ter_put_bit, NULL); v27ter_2400 = v27ter_rx_init(NULL, 2400, v27ter_put_bit, NULL); fsk_rx_signal_cutoff(fsk, -45.5); v17_rx_signal_cutoff(v17, -45.5); v29_rx_signal_cutoff(v29, -45.5); v27ter_rx_signal_cutoff(v27ter_4800, -40.0); v27ter_rx_signal_cutoff(v27ter_2400, -40.0); #if 1 logging = v17_rx_get_logging_state(v17); span_log_init(logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(logging, "V.17"); span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW); logging = v29_rx_get_logging_state(v29); span_log_init(logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(logging, "V.29"); span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW); logging = v27ter_rx_get_logging_state(v27ter_4800); span_log_init(logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(logging, "V.27ter-4800"); span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW); logging = v27ter_rx_get_logging_state(v27ter_2400); span_log_init(logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(logging, "V.27ter-2400"); span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW); #endif if (t4_rx_init(&t4_rx_state, "fax_decode.tif", T4_COMPRESSION_ITU_T4_2D) == NULL) { fprintf(stderr, "Failed to init\n"); exit(0); } for (;;) { len = sf_readf_short(inhandle, amp, SAMPLES_PER_CHUNK); if (len < SAMPLES_PER_CHUNK) break; fsk_rx(fsk, amp, len); v17_rx(v17, amp, len); v29_rx(v29, amp, len); v27ter_rx(v27ter_4800, amp, len); v27ter_rx(v27ter_2400, amp, len); } t4_rx_release(&t4_rx_state); if (sf_close(inhandle)) { fprintf(stderr, " Cannot close audio file '%s'\n", filename); exit(2); } return 0; }
int main(int argc, char *argv[]) { fsk_rx_state_t *fsk; v17_rx_state_t *v17; v29_rx_state_t *v29; v27ter_rx_state_t *v27ter; int16_t amp[SAMPLES_PER_CHUNK]; AFfilehandle inhandle; int len; const char *filename; float x; logging_state_t *logging; filename = "fax_samp.wav"; if (argc > 1) filename = argv[1]; if ((inhandle = afOpenFile(filename, "r", NULL)) == AF_NULL_FILEHANDLE) { fprintf(stderr, " Cannot open wave file '%s'\n", filename); exit(2); } if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0) { printf(" Unexpected frame size in speech file '%s' (%f)\n", filename, x); exit(2); } if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE) { printf(" Unexpected sample rate in speech file '%s' (%f)\n", filename, x); exit(2); } if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0) { printf(" Unexpected number of channels in speech file '%s' (%f)\n", filename, x); exit(2); } memset(&t30_dummy, 0, sizeof(t30_dummy)); span_log_init(&t30_dummy.logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(&t30_dummy.logging, "T.30"); hdlc_rx_init(&hdlcrx, FALSE, TRUE, 5, hdlc_accept, NULL); fsk = fsk_rx_init(NULL, &preset_fsk_specs[FSK_V21CH2], TRUE, v21_put_bit, NULL); v17 = v17_rx_init(NULL, 14400, v17_put_bit, NULL); v29 = v29_rx_init(NULL, 9600, v29_put_bit, NULL); //v29 = v29_rx_init(NULL, 7200, v29_put_bit, NULL); v27ter = v27ter_rx_init(NULL, 4800, v27ter_put_bit, NULL); fsk_rx_signal_cutoff(fsk, -45.5); v17_rx_signal_cutoff(v17, -45.5); v29_rx_signal_cutoff(v29, -45.5); v27ter_rx_signal_cutoff(v27ter, -40.0); #if 1 logging = v17_rx_get_logging_state(v17); span_log_init(logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(logging, "V.17"); span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW); logging = v29_rx_get_logging_state(v29); span_log_init(logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(logging, "V.29"); span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW); logging = v27ter_rx_get_logging_state(v27ter); span_log_init(logging, SPAN_LOG_FLOW, NULL); span_log_set_protocol(logging, "V.27ter"); span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW); #endif if (t4_rx_init(&t4_state, "fax_decode.tif", T4_COMPRESSION_ITU_T4_2D) == NULL) { fprintf(stderr, "Failed to init\n"); exit(0); } for (;;) { len = afReadFrames(inhandle, AF_DEFAULT_TRACK, amp, SAMPLES_PER_CHUNK); if (len < SAMPLES_PER_CHUNK) break; fsk_rx(fsk, amp, len); v17_rx(v17, amp, len); v29_rx(v29, amp, len); //v27ter_rx(v27ter, amp, len); } t4_rx_release(&t4_state); if (afCloseFile(inhandle) != 0) { fprintf(stderr, " Cannot close wave file '%s'\n", filename); exit(2); } return 0; }