diff options
| author | Data Path <data2path@gmail.com> | 2015-07-29 21:06:44 +0200 |
|---|---|---|
| committer | Data Path <data2path@gmail.com> | 2015-07-29 21:06:44 +0200 |
| commit | 0992bfd07fd810079e8124fa03261d2a3cdbe080 (patch) | |
| tree | 5ac192ba4544f66f724a7935bd544adf4ac5a434 /etisnoop.cpp | |
| parent | 1caa838d69aad3e1bb844054a7cf652aec3ff4d4 (diff) | |
| download | etisnoop-0992bfd07fd810079e8124fa03261d2a3cdbe080.tar.gz etisnoop-0992bfd07fd810079e8124fa03261d2a3cdbe080.tar.bz2 etisnoop-0992bfd07fd810079e8124fa03261d2a3cdbe080.zip | |
Add FIG 0/27 decoding
Diffstat (limited to 'etisnoop.cpp')
| -rw-r--r-- | etisnoop.cpp | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/etisnoop.cpp b/etisnoop.cpp index 66f248c..d1f75ad 100644 --- a/etisnoop.cpp +++ b/etisnoop.cpp @@ -2710,6 +2710,53 @@ void decodeFIG(FIGalyser &figs, } } break; + case 27: // FIG 0/27 FM Announcement support + { // ETSI EN 300 401 8.1.11.2.1 + unsigned short SId, PI; + unsigned char i = 1, j, Rfu, Number_PI_codes, key; + char tmpbuf[256]; + + while (i < (figlen - 2)) { + // iterate over FM announcement support + SId = ((unsigned short)f[i] << 8) | (unsigned short)f[i+1]; + Rfu = f[i+2] >> 4; + Number_PI_codes = f[i+2] & 0x0F; + key = (oe << 5) | (pd << 4) | Number_PI_codes; + sprintf(desc, "SId=0x%X", SId); + if (Rfu != 0) { + sprintf(tmpbuf, ", Rfu=%d invalid value", Rfu); + strcat(desc, tmpbuf); + } + sprintf(tmpbuf, ", Number of PI codes=%d", Number_PI_codes); + strcat(desc, tmpbuf); + if (Number_PI_codes > 12) { + strcat(desc, " above maximum value of 12"); + fprintf(stderr, "WARNING: FIG %d/%d Number of PI codes=%d > 12 (maximum value)\n", figtype, ext, Number_PI_codes); + } + sprintf(tmpbuf, ", database key=0x%02X", key); + strcat(desc, tmpbuf); + // CEI Change Event Indication + if (Number_PI_codes == 0) { + // The Change Event Indication (CEI) is signalled by the Number of PI codes field = 0 + strcat(desc, ", CEI"); + } + printbuf(desc, indent+1, NULL, 0); + i += 3; + for(j = 0; (j < Number_PI_codes) && (i < (figlen - 1)); j++) { + // iterate over PI + PI = ((unsigned short)f[i] << 8) | (unsigned short)f[i+1]; + sprintf(desc, "PI=0x%X", PI); + printbuf(desc, indent+2, NULL, 0); + i += 2; + } + if (j != Number_PI_codes) { + sprintf(desc, "fig length too short !"); + printbuf(desc, indent+2, NULL, 0); + fprintf(stderr, "WARNING: FIG %d/%d length %d too short !\n", figtype, ext, figlen); + } + } + } + break; } } break; @@ -2869,7 +2916,7 @@ void decodeFIG(FIGalyser &figs, break; case 6: {// Conditional access - fprintf(stderr, "ERROR: ETI contains unsupported FIG 6"); + fprintf(stderr, "ERROR: ETI contains unsupported FIG 6\n"); } break; } |