diff options
| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2014-11-21 07:16:57 +0100 |
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2014-11-21 07:16:57 +0100 |
| commit | 6501db8a85f918625624ca3f32613e44a3652e8e (patch) | |
| tree | 00ee8045c92b690cd2c5865a8cccd553a15a828b /etisnoop.cpp | |
| parent | bada74fc2d87973be9336ecda6819d725624e7f8 (diff) | |
| download | etisnoop-6501db8a85f918625624ca3f32613e44a3652e8e.tar.gz etisnoop-6501db8a85f918625624ca3f32613e44a3652e8e.tar.bz2 etisnoop-6501db8a85f918625624ca3f32613e44a3652e8e.zip | |
Show some FIG0/13 information
Diffstat (limited to 'etisnoop.cpp')
| -rw-r--r-- | etisnoop.cpp | 90 |
1 files changed, 81 insertions, 9 deletions
diff --git a/etisnoop.cpp b/etisnoop.cpp index dfd635d..685c4ac 100644 --- a/etisnoop.cpp +++ b/etisnoop.cpp @@ -41,6 +41,12 @@ #include "dabplussnoop.h" +struct FIG0_13_shortAppInfo { + uint16_t SId; + uint8_t No:4; + uint8_t SCIdS:4; +} PACKED; + #define ETINIPACKETSIZE 6144 @@ -71,6 +77,22 @@ struct eti_analyse_config_t { int eti_analyse(eti_analyse_config_t& config); +char* get_fig_0_13_userapp(int user_app_type) +{ + switch (user_app_type) { + case 0x000: return "Reserved for future definition"; + case 0x001: return "Not used"; + case 0x002: return "MOT Slideshow"; + case 0x003: return "MOT Broadacst Web Site"; + case 0x004: return "TPEG"; + case 0x005: return "DGPS"; + case 0x006: return "TMC"; + case 0x007: return "EPG"; + case 0x008: return "DAB Java"; + case 0x44a: return "Journaline"; + default: return "Reserved for future applications"; + } +} #define no_argument 0 #define required_argument 1 @@ -517,11 +539,12 @@ void decodeFIG(unsigned char* f, oe = (f[0] & 0x40) >> 6; pd = (f[0] & 0x20) >> 5; ext = f[0] & 0x1F; - sprintf(desc, "FIG %d/%d: C/N=%d OE=%d P/D=%d", figtype, ext, cn, oe, pd); + sprintf(desc, "FIG %d/%d: C/N=%d OE=%d P/D=%d", + figtype, ext, cn, oe, pd); printbuf(desc, indent, f+1, figlen-1); switch (ext) { - case 0: + case 0: // FIG 0/0 { unsigned char cid, al, ch, hic, lowc, occ; unsigned short int eid, eref; @@ -549,7 +572,7 @@ void decodeFIG(unsigned char* f, } break; - case 2: + case 2: // FIG 0/2 { unsigned short int sref, scid, sid; unsigned char cid, ecc, local, caid, ncomp, timd, ps, ca, subchid, scty; @@ -655,9 +678,55 @@ void decodeFIG(unsigned char* f, } } } - break; + case 13: // FIG 0/13 + { + uint32_t SId; + uint8_t SCIdS; + uint8_t No; + + int k = 1; + + if (pd == 0) { // Programme services, 16 bit SId + SId = (f[k] << 8) | + f[k+1]; + k+=2; + + SCIdS = f[k] >> 4; + No = f[k] & 0x0F; + k++; + } + else { // Data services, 32 bit SId + SId = (f[k] << 24) | + (f[k+1] << 16) | + (f[k+2] << 8) | + f[k+3]; + k+=4; + + SCIdS = f[k] >> 4; + No = f[k] & 0x0F; + k++; + + } + sprintf(desc, "FIG %d/%d: SId=%u SCIdS=%u No=%u", + figtype, ext, SId, SCIdS, No); + printbuf(desc, indent+1, NULL, 0); + + for (int numapp = 0; numapp < No; numapp++) { + uint16_t user_app_type = ((f[k] << 8) | + (f[k+1] & 0xE0)) >> 5; + uint8_t user_app_len = f[k+1] & 0x1F; + k+=2; + + sprintf(desc, "User Application %d '%s'; length %u", + user_app_type, + get_fig_0_13_userapp(user_app_type), + user_app_len); + printbuf(desc, indent+2, NULL, 0); + } + } + break; } } break; @@ -806,12 +875,15 @@ void printbuf(string header, } printf("%s", header.c_str()); - if (size != 0) { - printf(": "); - } - for (size_t i = 0; i < size; i++) { - printf("%02x ", buffer[i]); + if (verbosity > 1) { + if (size != 0) { + printf(": "); + } + + for (size_t i = 0; i < size; i++) { + printf("%02x ", buffer[i]); + } } if (desc != "") { |