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-rw-r--r--etisnoop/etisnoop.cpp1133
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diff --git a/etisnoop/etisnoop.cpp b/etisnoop/etisnoop.cpp
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--- a/etisnoop/etisnoop.cpp
+++ /dev/null
@@ -1,1133 +0,0 @@
-/*
- Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
- Copyright (C) 2014 Matthias P. Braendli (http://www.opendigitalradio.org)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- etisnoop.cpp
- Parse ETI NI G.703 file
-
- Authors:
- Sergio Sagliocco <sergio.sagliocco@csp.it>
- Matthias P. Braendli <matthias@mpb.li>
-*/
-
-
-
-#include <stdio.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-#include <string>
-#include <vector>
-#include <map>
-#include <sstream>
-#include "lib_crc.h"
-
-#include "dabplussnoop.h"
-#include "etiinput.h"
-
-struct FIG
-{
- int type;
- int ext;
- int len;
-};
-
-class FIGalyser
-{
- public:
- FIGalyser()
- {
- clear();
- }
-
- void set_fib(int fib)
- {
- m_fib = fib;
- }
-
- void push_back(int type, int ext, int len)
- {
- struct FIG fig = {
- .type = type,
- .ext = ext,
- .len = len };
-
- m_figs[m_fib].push_back(fig);
- }
-
- void analyse()
- {
- printf("FIC ");
-
- for (size_t fib = 0; fib < m_figs.size(); fib++) {
- int consumed = 7;
- int fic_size = 0;
- printf(" [ FIB%1d ", fib);
-
- for (size_t i = 0; i < m_figs[fib].size(); i++) {
- FIG &f = m_figs[fib][i];
- printf("%01d/%02d (%2d) ", f.type, f.ext, f.len);
-
- consumed += 10;
-
- fic_size += f.len;
- }
-
- printf(" ");
-
- int align = 30 - consumed;
- if (align > 0) {
- while (align--) {
- printf(" ");
- }
- }
-
- printf("|");
-
- for (int i = 0; i < 15; i++) {
- if (2*i < fic_size) {
- printf("#");
- }
- else {
- printf("-");
- }
- }
-
- printf("| ] ");
-
- }
-
- printf("\n");
- }
-
- void clear()
- {
- m_figs.clear();
- m_figs.resize(3);
- }
-
- private:
- int m_fib;
- std::vector<std::vector<FIG> > m_figs;
-};
-
-
-struct FIG0_13_shortAppInfo
-{
- uint16_t SId;
- uint8_t No:4;
- uint8_t SCIdS:4;
-} PACKED;
-
-
-#define ETINIPACKETSIZE 6144
-
-using namespace std;
-
-struct eti_analyse_config_t {
- FILE* etifd;
- bool ignore_error;
- std::map<int, DabPlusSnoop> streams_to_decode;
- bool analyse_fic_carousel;
-};
-
-// Globals
-static int verbosity;
-
-// Function prototypes
-void printinfo(string header,
- int indent_level,
- int min_verb=0);
-
-void printbuf(string header,
- int indent_level,
- unsigned char* buffer,
- size_t size,
- string desc="");
-
-void decodeFIG(FIGalyser &figs,
- unsigned char* figdata,
- unsigned char figlen,
- unsigned short int figtype,
- unsigned short int indent);
-
-int eti_analyse(eti_analyse_config_t& config);
-
-std::string 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
-#define optional_argument 2
-const struct option longopts[] = {
- {"help", no_argument, 0, 'h'},
- {"verbose", no_argument, 0, 'v'},
- {"ignore-error", no_argument, 0, 'e'},
- {"decode-stream", required_argument, 0, 'd'},
- {"input", required_argument, 0, 'i'}
-};
-
-void usage(void)
-{
- fprintf(stderr,
- "ETISnoop analyser\n\n"
- "The ETSnoop analyser decodes and prints out a RAW ETI file in a\n"
- "form that makes analysis easier.\n"
- "Usage: etisnoop [-v] [-f] [-i filename] [-d stream_index]\n"
- "\n"
- " -v increase verbosity (can be given more than once)\n"
- " -d N decode subchannel N into .dabp, .aac and .wav files\n"
- " -f analyse FIC carousel\n");
-}
-
-int main(int argc, char *argv[])
-{
- int index;
- int ch = 0;
- string file_name("-");
- map<int, DabPlusSnoop> streams_to_decode;
-
- verbosity = 0;
- bool ignore_error = false;
- bool analyse_fic_carousel = false;
-
- while(ch != -1) {
- ch = getopt_long(argc, argv, "d:efhvi:", longopts, &index);
- switch (ch) {
- case 'd':
- {
- int subchix = atoi(optarg);
- DabPlusSnoop dps;
- streams_to_decode[subchix] = dps;
- }
- break;
- case 'e':
- ignore_error = true;
- break;
- case 'i':
- file_name = optarg;
- break;
- case 'f':
- analyse_fic_carousel = true;
- break;
- case 'v':
- verbosity++;
- break;
- case 'h':
- usage();
- return 1;
- break;
- }
- }
-
- FILE* etifd;
-
- if (file_name == "-") {
- printf("Analysing stdin\n");
- etifd = stdin;
- }
- else {
- etifd = fopen(file_name.c_str(), "r");
- if (etifd == NULL) {
- perror("File open failed");
- return 1;
- }
- }
-
- eti_analyse_config_t config = {
- .etifd = etifd,
- .ignore_error = ignore_error,
- .streams_to_decode = streams_to_decode,
- .analyse_fic_carousel = analyse_fic_carousel
- };
- eti_analyse(config);
- fclose(etifd);
-}
-
-int eti_analyse(eti_analyse_config_t& config)
-{
- unsigned char p[ETINIPACKETSIZE];
- string desc;
- char prevsync[3]={0x00,0x00,0x00};
- unsigned char ficf,nst,fp,mid,ficl;
- unsigned short int fl,crch;
- unsigned short int crc;
- unsigned char scid,tpl,l1;
- unsigned short int sad[64],stl[64];
- char sdesc[256];
-
- bool running = true;
-
- int stream_type = ETI_STREAM_TYPE_NONE;
- if (identify_eti_format(config.etifd, &stream_type) == -1) {
- printf("Could not identify stream type\n");
-
- running = false;
- }
- else {
- printf("Identified ETI type ");
- if (stream_type == ETI_STREAM_TYPE_RAW)
- printf("RAW\n");
- else if (stream_type == ETI_STREAM_TYPE_STREAMED)
- printf("STREAMED\n");
- else if (stream_type == ETI_STREAM_TYPE_FRAMED)
- printf("FRAMED\n");
- else
- printf("?\n");
- }
-
- while (running) {
-
- int ret = get_eti_frame(config.etifd, stream_type, p);
- if (ret == -1) {
- fprintf(stderr, "ETI file read error\n");
- break;
- }
- else if (ret == 0) {
- fprintf(stderr, "End of ETI\n");
- break;
- }
-
- // SYNC
- printbuf("SYNC", 0, p, 4);
-
- // SYNC - ERR
- if (p[0] == 0xFF) {
- desc = "No error";
- printbuf("ERR", 1, p, 1, desc);
- }
- else {
- desc = "Error";
- printbuf("ERR", 1, p, 1, desc);
- if (!config.ignore_error) {
- printf("Aborting because of SYNC error\n");
- break;
- }
- }
-
- // SYNC - FSYNC
-
- if (memcmp(prevsync, "\x00\x00\x00", 3) == 0) {
- if ( (memcmp(p + 1, "\x07\x3a\xb6", 3) == 0) ||
- (memcmp(p + 1, "\xf8\xc5\x49", 3) == 0) ) {
- desc = "OK";
- memcpy(prevsync, p+1, 3);
- }
- else {
- desc ="Wrong FSYNC";
- memcpy(prevsync, "\x00\x00\x00", 3);
- }
- } else if (memcmp(prevsync, "\x07\x3a\xb6", 3) == 0) {
- if (memcmp(p + 1, "\xf8\xc5\x49", 3) != 0) {
- desc = "Wrong FSYNC";
- memcpy(prevsync, "\x00\x00\x00", 3);
- } else {
- desc = "OK";
- memcpy(prevsync, p + 1, 3);
- }
- } else if (memcmp(prevsync, "\xf8\xc5\x49", 3) == 0) {
- if (memcmp(p + 1, "\x07\x3a\xb6", 3) != 0) {
- desc = "Wrong FSYNC";
- memcpy(prevsync, "\x00\x00\x00", 3);
- } else {
- desc = "OK";
- memcpy(prevsync, p + 1, 3);
- }
- }
- printbuf("Sync FSYNC", 1, p + 1, 3, desc);
-
- // LIDATA
- printbuf("LDATA", 0, NULL, 0);
- // LIDATA - FC
- printbuf("FC - Frame Characterization field", 1, p+4, 4);
- // LIDATA - FC - FCT
- char fct[25];
- sprintf(fct, "%d", p[4]);
- printbuf("FCT - Frame Count", 2, p+4, 1, fct);
- // LIDATA - FC - FICF
- ficf = (p[5] & 0x80) >> 7;
-
- {
- stringstream ss;
- ss << (int)ficf;
- if (ficf == 1) {
- ss << "- FIC Information are present";
- }
- else {
- ss << "- FIC Information are not present";
- }
-
- printbuf("FICF - Fast Information Channel Flag", 2, NULL, 0, ss.str());
- }
-
- // LIDATA - FC - NST
- nst = p[5] & 0x7F;
- {
- stringstream ss;
- ss << (int)nst;
- printbuf("NST - Number of streams", 2, NULL, 0, ss.str());
- }
-
- // LIDATA - FC - FP
- fp = (p[6] & 0xE0) >> 5;
- {
- stringstream ss;
- ss << (int)fp;
- printbuf("FP - Frame Phase", 2, &fp, 1, ss.str());
- }
-
- // LIDATA - FC - MID
- mid = (p[6] & 0x18) >> 3;
- {
- stringstream ss;
- ss << "Mode ";
- if (mid != 0) {
- ss << (int)mid;
- }
- else {
- ss << "4";
- }
- printbuf("MID - Mode Identity", 2, &mid, 1, ss.str());
- }
-
- // LIDATA - FC - FL
- fl = (p[6] & 0x07) * 256 + p[7];
- {
- stringstream ss;
- ss << fl << " words";
- printbuf("FL - Frame Length", 2, NULL, 0, ss.str());
- }
-
- if (ficf == 0) {
- ficl = 0;
- }
- else if (mid == 3) {
- ficl = 32;
- }
- else {
- ficl = 24;
- }
-
- // STC
- printbuf("STC - Stream Characterisation", 1, NULL, 0);
-
- for (int i=0; i < nst; i++) {
- sprintf(sdesc, "Stream number %d", i);
- printbuf("STC - Stream Characterisation", 2, p + 8 + 4*i, 4, sdesc);
- scid = (p[8 + 4*i] & 0xFC) >> 2;
- sprintf(sdesc, "%d", scid);
- printbuf("SCID - Sub-channel Identifier", 3, NULL, 0, sdesc);
- sad[i] = (p[8+4*i] & 0x03) * 256 + p[9+4*i];
- sprintf(sdesc, "%d", sad[i]);
- printbuf("SAD - Sub-channel Start Address", 3, NULL, 0, sdesc);
- tpl = (p[10+4*i] & 0xFC) >> 2;
-
- if ((tpl & 0x20) >> 5 == 1) {
- unsigned char opt, plevel;
- string plevelstr;
- opt = (tpl & 0x16) >> 2;
- plevel = (tpl & 0x03);
- if (opt == 0x00) {
- if (plevel == 0)
- plevelstr = "1-A, 1/4, 16 CUs";
- else if (plevel == 1)
- plevelstr = "2-A, 3/8, 8 CUs";
- else if (plevel == 2)
- plevelstr = "3-A, 1/2, 6 CUs";
- else if (plevel == 3)
- plevelstr = "4-A, 3/4, 4 CUs";
- }
- else if (opt == 0x01) {
- if (plevel == 0)
- plevelstr = "1-B, 4/9, 27 CUs";
- else if (plevel == 1)
- plevelstr = "2-B, 4/7, 21 CUs";
- else if (plevel == 2)
- plevelstr = "3-B, 4/6, 18 CUs";
- else if (plevel == 3)
- plevelstr = "4-B, 4/5, 15 CUs";
- }
- else {
- stringstream ss;
- ss << "Unknown option " << opt;
- plevelstr = ss.str();
- }
- sprintf(sdesc, "0x%02x - Equal Error Protection. %s", tpl, plevelstr.c_str());
- }
- else {
- unsigned char tsw, uepidx;
- tsw = (tpl & 0x08);
- uepidx = tpl & 0x07;
- sprintf(sdesc, "0x%02x - Unequal Error Protection. Table switch %d, UEP index %d", tpl, tsw, uepidx);
- }
- printbuf("TPL - Sub-channel Type and Protection Level", 3, NULL, 0, sdesc);
- stl[i] = (p[10+4*i] & 0x03) * 256 + \
- p[11+4*i];
- sprintf(sdesc, "%d => %d kbit/s", stl[i], stl[i]*8/3);
- printbuf("STL - Sub-channel Stream Length", 3, NULL, 0, sdesc);
-
- if (config.streams_to_decode.count(i) > 0) {
- config.streams_to_decode[i].set_subchannel_index(stl[i]/3);
- config.streams_to_decode[i].set_index(i);
- }
- }
-
- // EOH
- printbuf("EOH - End Of Header", 1, p + 8 + 4*nst, 4);
- unsigned short int mnsc = p[8 + 4*nst] * 256 + \
- p[8 + 4*nst + 1];
- {
- stringstream ss;
- ss << mnsc;
- printbuf("MNSC - Multiplex Network Signalling Channel", 2, p+8+4*nst, 2, ss.str());
- }
-
- crch = p[8 + 4*nst + 2]*256 + \
- p[8 + 4*nst + 3];
- crc = 0xffff;
-
- for (int i=4; i < 8 + 4*nst + 2; i++)
- crc = update_crc_ccitt(crc, p[i]);
- crc =~ crc;
-
- if (crc == crch) {
- sprintf(sdesc,"CRC OK");
- }
- else {
- sprintf(sdesc,"CRC Mismatch: %02x",crc);
- }
-
- printbuf("Header CRC", 2, p + 8 + 4*nst + 2, 2, sdesc);
-
- // MST - FIC
- if (ficf == 1) {
- int endmarker = 0;
- int figcount = 0;
- unsigned char *fib, *fig;
- unsigned short int figcrc;
-
- FIGalyser figs;
-
- unsigned char ficdata[32*4];
- memcpy(ficdata, p + 12 + 4*nst, ficl*4);
- sprintf(sdesc, "FIC Data (%d bytes)", ficl*4);
- //printbuf(sdesc, 1, ficdata, ficl*4);
- printbuf(sdesc, 1, NULL, 0);
- fib = p + 12 + 4*nst;
- for(int i = 0; i < ficl*4/32; i++) {
- fig=fib;
- figs.set_fib(i);
- endmarker=0;
- figcount=0;
- while (!endmarker) {
- unsigned char figtype, figlen;
- figtype = (fig[0] & 0xE0) >> 5;
- if (figtype != 7) {
- figlen = fig[0] & 0x1F;
- sprintf(sdesc, "FIG %d [%d bytes]", figtype, figlen);
- printbuf(sdesc, 3, fig+1, figlen);
- decodeFIG(figs, fig+1, figlen, figtype, 4);
- fig += figlen + 1;
- figcount += figlen + 1;
- if (figcount >= 29)
- endmarker = 1;
- }
- else {
- endmarker = 1;
- }
- }
- figcrc = fib[30]*256 + fib[31];
- crc = 0xffff;
- for (int j = 0; j < 30; j++) {
- crc = update_crc_ccitt(crc, fib[j]);
- }
- crc =~ crc;
- if (crc == figcrc)
- sprintf(sdesc,"FIB CRC OK");
- else
- sprintf(sdesc,"FIB CRC Mismatch: %02x",crc);
-
- printbuf("FIB CRC",3,fib+30,2,sdesc);
- fib += 32;
- }
-
- if (config.analyse_fic_carousel) {
- figs.analyse();
- }
- }
-
- int offset = 0;
- for (int i=0; i < nst; i++) {
- unsigned char streamdata[684*8];
- memcpy(streamdata, p + 12 + 4*nst + ficf*ficl*4 + offset, stl[i]*8);
- offset += stl[i] * 8;
- if (config.streams_to_decode.count(i) > 0) {
- sprintf(sdesc, "id %d, len %d, selected for decoding", i, stl[i]*8);
- }
- else {
- sprintf(sdesc, "id %d, len %d, not selected for decoding", i, stl[i]*8);
- }
- if (verbosity > 1) {
- printbuf("Stream Data", 1, streamdata, stl[i]*8, sdesc);
- }
- else {
- printbuf("Stream Data", 1, streamdata, 0, sdesc);
- }
-
- if (config.streams_to_decode.count(i) > 0) {
- config.streams_to_decode[i].push(streamdata, stl[i]*8);
- }
-
- }
-
- // EOF
- crch = p[12 + 4*nst + ficf*ficl*4 + offset] * 256 + \
- p[12 + 4*nst + ficf*ficl*4 + offset + 1];
-
- crc = 0xffff;
-
- for (int i = 12 + 4*nst; i < 12 + 4*nst + ficf*ficl*4 + offset; i++)
- crc = update_crc_ccitt(crc, p[i]);
- crc =~ crc;
- if (crc == crch)
- sprintf(sdesc, "CRC OK");
- else
- sprintf(sdesc, "CRC Mismatch: %02x", crc);
-
- printbuf("EOF", 1, p + 12 + 4*nst + ficf*ficl*4 + offset, 4);
- printbuf("CRC", 2, p + 12 + 4*nst + ficf*ficl*4 + offset, 2, sdesc);
-
- //RFU
- printbuf("RFU", 2, p + 12 + 4*nst + ficf*ficl*4 + offset + 2, 2);
-
- //TIST
- l1 = (p[12 + 4*nst + ficf*ficl*4 + offset + 5] & 0xfe) >> 1;
- sprintf(sdesc, "%d ms", l1*8);
- printbuf("TIST - Time Stamp", 1, p+12+4*nst+ficf*ficl*4+offset+4, 4, sdesc);
-
-
- if (verbosity) {
- printf("-------------------------------------------------------------------------------------------------------------\n");
- }
- }
-
-
- std::map<int, DabPlusSnoop>::iterator it;
- for (it = config.streams_to_decode.begin();
- it != config.streams_to_decode.end();
- ++it) {
- it->second.close();
- }
-
- return 0;
-}
-
-void decodeFIG(FIGalyser &figs,
- unsigned char* f,
- unsigned char figlen,
- unsigned short int figtype,
- unsigned short int indent)
-{
- char desc[256];
-
- switch (figtype) {
- case 0:
- {
- unsigned short int ext,cn,oe,pd;
-
- cn = (f[0] & 0x80) >> 7;
- 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);
- printbuf(desc, indent, f+1, figlen-1);
-
- figs.push_back(figtype, ext, figlen);
-
- switch (ext) {
-
- case 0: // FIG 0/0
- {
- unsigned char cid, al, ch, hic, lowc, occ;
- unsigned short int eid, eref;
-
- eid = f[1]*256+f[2];
- cid = (f[1] & 0xF0) >> 4;
- eref = (f[1] & 0x0F)*256 + \
- f[2];
- ch = (f[3] & 0xC0) >> 6;
- al = (f[3] & 0x20) >> 5;
- hic = f[3] & 0x1F;
- lowc = f[4];
- if (ch != 0) {
- occ = f[5];
- sprintf(desc,
- "Ensemble ID=0x%02x (Country id=%d, Ensemble reference=%d), Change flag=%d, Alarm flag=%d, CIF Count=%d/%d, Occurance change=%d",
- eid, cid, eref, ch, al, hic, lowc, occ);
- }
- else {
- sprintf(desc,
- "Ensemble ID=0x%02x (Country id=%d, Ensemble reference=%d), Change flag=%d, Alarm flag=%d, CIF Count=%d/%d",
- eid, cid, eref, ch, al, hic, lowc);
- }
- printbuf(desc, indent+1, NULL, 0);
-
- }
- break;
- case 1: // FIG 0/1 basic subchannel organisation
- {
- int i = 1;
-
- while (i < figlen-3) {
- // iterate over subchannels
- int subch_id = f[i] >> 2;
- int start_addr = (f[i] << 6) |
- (f[i+1]);
- int long_flag = (f[i+2] >> 7);
-
- if (long_flag) {
- int option = (f[i+2] >> 4) & 0x07;
- int protection_level = (f[i+2] >> 2) & 0x03;
- int subchannel_size = ((f[i+2] & 0x03) << 6 ) |
- f[i+3];
-
- i += 4;
-
- if (option == 0x00) {
- sprintf(desc,
- "Subch 0x%x, start_addr %d, long, EEP %d-A, subch size %d",
- subch_id, start_addr, protection_level, subchannel_size);
- }
- else if (option == 0x01) {
- sprintf(desc,
- "Subch 0x%x, start_addr %d, long, EEP %d-B, subch size %d",
- subch_id, start_addr, protection_level, subchannel_size);
- }
- else {
- sprintf(desc,
- "Subch 0x%x, start_addr %d, long, invalid option %d, protection %d, subch size %d",
- subch_id, start_addr, option, protection_level, subchannel_size);
- }
- }
- else {
- int table_switch = (f[i+2] >> 6) & 0x01;
- unsigned int table_index = (f[i+2] & 0x3F);
-
-
- if (table_switch == 0) {
- sprintf(desc,
- "Subch 0x%x, start_addr %d, short, table index %d",
- subch_id, start_addr, table_index);
- }
- else {
- sprintf(desc,
- "Subch 0x%x, start_addr %d, short, invalid table_switch(=1), table index %d",
- subch_id, start_addr, table_index);
- }
-
- i += 3;
- }
- printbuf(desc, indent+1, NULL, 0);
- }
-
- }
- case 2: // FIG 0/2
- {
- unsigned short int sref, sid;
- unsigned char cid, ecc, local, caid, ncomp, timd, ps, ca, subchid, scty;
- int k=1;
- string psdesc;
- char sctydesc[32];
-
- while (k<figlen) {
- if (pd == 0) {
- sid = f[k] * 256 + f[k+1];
- cid = (f[k] & 0xF0) >> 4;
- sref = (f[k] & 0x0F) * 256 + f[k+1];
- k += 2;
- }
- else {
- sid = f[k] * 256 * 256 * 256 + \
- f[k+1] * 256 * 256 + \
- f[k+2] * 256 + \
- f[k+3];
-
- ecc = f[k];
- cid = (f[k+1] & 0xF0) >> 4;
- sref = (f[k+1] & 0x0F) * 256 * 256 + \
- f[k+2] * 256 + \
- f[k+3];
-
- k += 4;
- }
-
- local = (f[k] & 0x80) >> 7;
- caid = (f[k] & 0x70) >> 4;
- ncomp = f[k] & 0x0F;
-
- if (pd == 0)
- sprintf(desc,
- "Service ID=0x%02X (Country id=%d, Service reference=%d), Number of components=%d, Local flag=%d, CAID=%d",
- sid, cid, sref, ncomp, local, caid);
- else
- sprintf(desc,
- "Service ID=0x%02X (ECC=%d, Country id=%d, Service reference=%d), Number of components=%d, Local flag=%d, CAID=%d",
- sid, ecc, cid, sref, ncomp, local, caid);
- printbuf(desc, indent+1, NULL, 0);
-
- k++;
- for (int i=0; i<ncomp; i++) {
- unsigned char scomp[2];
-
- memcpy(scomp, f+k, 2);
- sprintf(desc, "Component[%d]", i);
- printbuf(desc, indent+2, scomp, 2, "");
- timd = (scomp[0] & 0xC0) >> 6;
- ps = (scomp[1] & 0x02) >> 1;
- ca = scomp[1] & 0x01;
- scty = scomp[0] & 0x3F;
- subchid = (scomp[1] & 0xFC) >> 2;
-
- /* useless, kept as reference
- if (timd == 3) {
- unsigned short int scid;
- scid = scty*64 + subchid;
- }
- */
-
- if (ps == 0) {
- psdesc = "Secondary service";
- }
- else {
- psdesc = "Primary service";
- }
-
-
- if (timd == 0) {
- //MSC stream audio
- if (scty == 0)
- sprintf(sctydesc, "MPEG Foreground sound (%d)", scty);
- else if (scty == 1)
- sprintf(sctydesc, "MPEG Background sound (%d)", scty);
- else if (scty == 2)
- sprintf(sctydesc, "Multi Channel sound (%d)", scty);
- else if (scty == 63)
- sprintf(sctydesc, "AAC sound (%d)", scty);
- else
- sprintf(sctydesc, "Unknown ASCTy (%d)", scty);
-
- sprintf(desc, "Stream audio mode, %s, %s, SubChannel ID=%02X, CA=%d", psdesc.c_str(), sctydesc, subchid, ca);
- printbuf(desc, indent+3, NULL, 0);
- }
- else if (timd == 1) {
- // MSC stream data
- sprintf(sctydesc, "DSCTy=%d", scty);
- sprintf(desc, "Stream data mode, %s, %s, SubChannel ID=%02X, CA=%d", psdesc.c_str(), sctydesc, subchid, ca);
- printbuf(desc, indent+3, NULL, 0);
- }
- else if (timd == 2) {
- // FIDC
- sprintf(sctydesc, "DSCTy=%d", scty);
- sprintf(desc, "FIDC mode, %s, %s, Fast Information Data Channel ID=%02X, CA=%d", psdesc.c_str(), sctydesc, subchid, ca);
- printbuf(desc, indent+3, NULL, 0);
- }
- else if (timd == 3) {
- // MSC Packet mode
- sprintf(desc, "MSC Packet Mode, %s, Service Component ID=%02X, CA=%d", psdesc.c_str(), subchid, ca);
- printbuf(desc, indent+3, NULL, 0);
- }
- k += 2;
- }
- }
- }
- 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).c_str(),
- user_app_len);
- printbuf(desc, indent+2, NULL, 0);
- }
- }
- break;
- }
- }
- break;
-
- case 1:
- {// SHORT LABELS
- unsigned short int ext,oe,charset;
- unsigned short int flag;
- char label[17];
-
- charset = (f[0] & 0xF0) >> 4;
- oe = (f[0] & 0x08) >> 3;
- ext = f[0] & 0x07;
- sprintf(desc,
- "FIG %d/%d: OE=%d, Charset=%d",
- figtype, ext, oe, charset);
-
- printbuf(desc, indent, f+1, figlen-1);
- memcpy(label, f+figlen-18, 16);
- label[16] = 0x00;
- flag = f[figlen-2] * 256 + \
- f[figlen-1];
-
- figs.push_back(figtype, ext, figlen);
-
- switch (ext) {
- case 0:
- { // ENSEMBLE LABEL
- unsigned short int eid;
- eid = f[1] * 256 + f[2];
- sprintf(desc, "Ensemble ID 0x%04X label: \"%s\", Short label mask: 0x%04X", eid, label, flag);
- printinfo(desc, indent+1);
- }
- break;
-
- case 1:
- { // Programme LABEL
- unsigned short int sid;
- sid = f[1] * 256 + f[2];
- sprintf(desc, "Service ID 0x%04X label: \"%s\", Short label mask: 0x%04X", sid, label, flag);
- printinfo(desc, indent+1);
- }
- break;
-
- case 4:
- { // Service Component LABEL
- unsigned int sid;
- unsigned char pd, SCIdS;
- pd = (f[1] & 0x80) >> 7;
- SCIdS = f[1] & 0x0F;
- if (pd == 0) {
- sid = f[2] * 256 + \
- f[3];
- }
- else {
- sid = f[2] * 256 * 256 * 256 + \
- f[3] * 256 * 256 + \
- f[4] * 256 + \
- f[5];
- }
- sprintf(desc,
- "Service ID 0x%08X , Service Component ID 0x%04X Short, label: \"%s\", label mask: 0x%04X",
- sid, SCIdS, label, flag);
- printinfo(desc, indent+1);
- }
- break;
-
- case 5:
- { // Data Service LABEL
- unsigned int sid;
- sid = f[1] * 256 * 256 * 256 + \
- f[2] * 256 * 256 + \
- f[3] * 256 + \
- f[4];
-
- sprintf(desc,
- "Service ID 0x%08X label: \"%s\", Short label mask: 0x%04X",
- sid, label, flag);
- printinfo(desc, indent+1);
- }
- break;
-
-
- case 6:
- { // X-PAD User Application label
- unsigned int sid;
- unsigned char pd, SCIdS, xpadapp;
- string xpadappdesc;
-
- pd = (f[1] & 0x80) >> 7;
- SCIdS = f[1] & 0x0F;
- if (pd == 0) {
- sid = f[2] * 256 + \
- f[3];
- xpadapp = f[4] & 0x1F;
- }
- else {
- sid = f[2] * 256 * 256 * 256 + \
- f[3] * 256 * 256 + \
- f[4] * 256 + \
- f[5];
- xpadapp = f[6] & 0x1F;
- }
-
- if (xpadapp == 2) {
- xpadappdesc = "DLS";
- }
- else if (xpadapp == 12) {
- xpadappdesc = "MOT";
- }
- else {
- xpadappdesc = "?";
- }
-
-
- sprintf(desc,"Service ID 0x%08X , Service Component ID 0x%04X Short, X-PAD App %02X (%s), label: \"%s\", label mask: 0x%04X",
- sid, SCIdS, xpadapp, xpadappdesc.c_str(), label, flag);
- printbuf(desc,indent+1,NULL,0,"");
- }
- break;
- }
- }
- break;
- case 2:
- {// LONG LABELS
- unsigned short int ext,oe;
-
- uint8_t toggle_flag = (f[0] & 0x80) >> 7;
- uint8_t segment_index = (f[0] & 0x70) >> 4;
- oe = (f[0] & 0x08) >> 3;
- ext = f[0] & 0x07;
- sprintf(desc,
- "FIG %d/%d: OE=%d, Segment_index=%d",
- figtype, ext, oe, segment_index);
-
- printbuf(desc, indent, f+1, figlen-1);
-
- figs.push_back(figtype, ext, figlen);
- }
- break;
- case 5:
- {// FIDC
- unsigned short int ext;
-
- uint8_t d1 = (f[0] & 0x80) >> 7;
- uint8_t d2 = (f[0] & 0x40) >> 6;
- uint8_t tcid = (f[0] & 0x38) >> 5;
- ext = f[0] & 0x07;
- sprintf(desc,
- "FIG %d/%d: D1=%d, D2=%d, TCId=%d",
- figtype, ext, d1, d2, tcid);
-
- printbuf(desc, indent, f+1, figlen-1);
-
- figs.push_back(figtype, ext, figlen);
- }
- break;
- case 6:
- {// Conditional access
- fprintf(stderr, "ERROR: ETI contains unsupported FIG 6");
- }
- break;
- }
-}
-
-
-void printinfo(string header,
- int indent_level,
- int min_verb)
-{
- if (verbosity >= min_verb) {
- for (int i = 0; i < indent_level; i++) {
- printf("\t");
- }
- printf("%s\n", header.c_str());
- }
-}
-
-void printbuf(string header,
- int indent_level,
- unsigned char* buffer,
- size_t size,
- string desc)
-{
- if (verbosity > 0) {
- for (int i = 0; i < indent_level; i++) {
- printf("\t");
- }
-
- printf("%s", header.c_str());
-
- if (verbosity > 1) {
- if (size != 0) {
- printf(": ");
- }
-
- for (size_t i = 0; i < size; i++) {
- printf("%02x ", buffer[i]);
- }
- }
-
- if (desc != "") {
- printf(" [%s] ", desc.c_str());
- }
-
- printf("\n");
- }
-}
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-23 03:13:44 +0000