bool CFrontend::setInput(CZapitChannel * channel, bool nvod)
{
transponder_list_t::iterator tpI;
transponder_id_t ct = nvod ? (channel->getTransponderId() & 0xFFFFFFFFULL) : channel->getTransponderId();
transponder_id_t current_id = nvod ? (currentTransponder.TP_id & 0xFFFFFFFFULL) : currentTransponder.TP_id;
//printf("CFrontend::setInput tuned %d nvod %d current_id %llx new %llx\n\n", tuned, nvod, current_id, ct);
if (tuned && (ct == current_id))
return false;
if (nvod) {
for (tpI = transponders.begin(); tpI != transponders.end(); ++tpI) {
if ((ct & 0xFFFFFFFFULL) == (tpI->first & 0xFFFFFFFFULL))
break;
}
} else
tpI = transponders.find(channel->getTransponderId());
if (tpI == transponders.end()) {
printf("Transponder %" PRIx64 " for channel %" PRIx64 " not found\n", ct, channel->getChannelID());
return false;
}
currentTransponder.TP_id = tpI->first;
currentTransponder.polarization = tpI->second.polarization;
currentSatellitePosition = channel->getSatellitePosition();
setInput(channel->getSatellitePosition(), tpI->second.feparams.dvb_feparams.frequency, tpI->second.polarization);
return true;
}
int parse_nit(const t_satellite_position satellite_position, const unsigned char DiSEqC)
{
CDemux dmx;
unsigned char buffer[NIT_SIZE];
/* position in buffer */
unsigned short pos;
unsigned short pos2;
/* network_information_section elements */
unsigned short section_length;
unsigned short network_descriptors_length;
unsigned short transport_descriptors_length;
unsigned short transport_stream_loop_length;
t_transport_stream_id transport_stream_id;
t_original_network_id original_network_id;
// unsigned short network_id;
transponder_id_t transponder_id;
unsigned char filter[DMX_FILTER_SIZE];
unsigned char mask[DMX_FILTER_SIZE];
memset(filter, 0x00, DMX_FILTER_SIZE);
memset(mask, 0x00, DMX_FILTER_SIZE);
filter[0] = 0x40;
filter[4] = 0x00;
mask[0] = 0xFF;
mask[4] = 0xFF;
do {
if ((dmx.sectionFilter(0x10, filter, mask) < 0) || (dmx.read(buffer, NIT_SIZE) < 0))
return -1;
section_length = ((buffer[1] & 0x0F) << 8) + buffer[2];
// network_id = ((buffer[3] << 8)| buffer [4]);
network_descriptors_length = ((buffer[8] & 0x0F) << 8) | buffer[9];
for (pos = 10; pos < network_descriptors_length + 10; pos += buffer[pos + 1] + 2)
{
switch (buffer[pos])
{
/* case 0x0F:
Private_data_indicator_descriptor(buffer + pos);
break;
*/
case 0x40:
network_name_descriptor(buffer + pos);
break;
case 0x4A:
linkage_descriptor(buffer + pos);
break;
case 0x5B:
multilingual_network_name_descriptor(buffer + pos);
break;
/* case 0x5F:
private_data_specifier_descriptor(buffer + pos);
break;
*/
case 0x80: /* unknown, Eutelsat 13.0E */
break;
case 0x90: /* unknown, Eutelsat 13.0E */
break;
default:
DBG("first_descriptor_tag: %02x", buffer[pos]);
break;
}
}
transport_stream_loop_length = ((buffer[pos] & 0x0F) << 8) | buffer[pos + 1];
if (!transport_stream_loop_length)
continue;
for (pos += 2; pos < section_length - 3; pos += transport_descriptors_length + 6)
{
transport_stream_id = (buffer[pos] << 8) | buffer[pos + 1];
original_network_id = (buffer[pos + 2] << 8) | buffer[pos + 3];
transport_descriptors_length = ((buffer[pos + 4] & 0x0F) << 8) | buffer[pos + 5];
// frequency will be inserted in satellite/cable_delivery_system_descriptor()
transponder_id = CREATE_TRANSPONDER_ID_FROM_FREQUENCY_SATELLITEPOSITION_ORIGINALNETWORK_TRANSPORTSTREAM_ID(0, satellite_position,original_network_id,transport_stream_id);
if (transponders.find(transponder_id) == transponders.end())
{
for (pos2 = pos + 6; pos2 < pos + transport_descriptors_length + 6; pos2 += buffer[pos2 + 1] + 2)
{
switch (buffer[pos2])
{
case 0x41:
service_list_descriptor(buffer + pos2, transport_stream_id, original_network_id);
break;
case 0x42:
stuffing_descriptor(buffer + pos2);
break;
case 0x43:
if (satellite_delivery_system_descriptor(buffer + pos2, transponder_id, DiSEqC) < 0)
return -2;
break;
case 0x44:
if (cable_delivery_system_descriptor(buffer + pos2, transponder_id) < 0)
return -2;
break;
case 0x5A:
if (terrestrial_delivery_system_descriptor(buffer + pos2) < 0)
return -2;
break;
case 0x5F:
private_data_specifier_descriptor(buffer + pos2);
break;
case 0x62:
frequency_list_descriptor(buffer + pos2);
break;
case 0x82: /* unknown, Eutelsat 13.0E */
break;
default:
DBG("second_descriptor_tag: %02x", buffer[pos2]);
break;
}
}
}
}
} while (filter[4]++ != buffer[7]);
return 0;
}
bool CServiceManager::SaveCurrentServices(transponder_id_t tpid)
{
channel_map_iterator_t ccI;
channel_map_iterator_t dI;
transponder_list_t::iterator tI;
char satstr[256];
char buffer[256];
FILE * fd = 0;
FILE * fd1 = 0;
bool updated = 0;
bool tpdone = 0;
bool satfound = 0;
tI = transponders.find(tpid);
if(tI == transponders.end()) {
printf("[sdt monitor] tp not found ?!\n");
return false;
}
t_satellite_position satellitePosition = GET_SATELLITEPOSITION_FROM_TRANSPONDER_ID(tpid) & 0xFFF;
if(GET_SATELLITEPOSITION_FROM_TRANSPONDER_ID(tpid) & 0xF000)
satellitePosition = -satellitePosition;
fd = fopen(CURRENTSERVICES_TMP, "w");
if(!fd) {
printf("[sdt monitor] " CURRENTSERVICES_TMP ": cant open!\n");
return false;
}
sat_iterator_t spos_it = satellitePositions.find(satellitePosition);
if(spos_it == satellitePositions.end()){
fclose(fd);
return false;
}
switch (CFrontend::getInstance()->getInfo()->type) {
case FE_QPSK: /* satellite */
sprintf(satstr, "\t<%s name=\"%s\" position=\"%hd\">\n", "sat", spos_it->second.name.c_str(), satellitePosition);
break;
case FE_QAM: /* cable */
sprintf(satstr, "\t<%s name=\"%s\"\n", "cable", spos_it->second.name.c_str());
break;
case FE_OFDM:
default:
break;
}
fd1 = fopen(CURRENTSERVICES_XML, "r");
if(!fd1) {
fprintf(fd, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<zapit>\n");
} else {
fgets(buffer, 255, fd1);
while(!feof(fd1) && !strstr(buffer, satfound ? "</sat>" : "</zapit>")) {
if(!satfound && !strcmp(buffer, satstr))
satfound = 1;
fputs(buffer, fd);
fgets(buffer, 255, fd1);
}
}
for (channel_map_iterator_t cI = curchans.begin(); cI != curchans.end(); cI++) {
ccI = allchans.find(cI->second.getChannelID());
if(ccI == allchans.end()) {
WriteCurrentService(fd, satfound, tpdone, updated, satstr, tI->second, cI->second, "add");
} else {
if(strcmp(cI->second.getName().c_str(), ccI->second.getName().c_str()) || cI->second.scrambled != ccI->second.scrambled) {
WriteCurrentService(fd, satfound, tpdone, updated, satstr, tI->second, cI->second, "replace");
}
}
}
for (ccI = allchans.begin(); ccI != allchans.end(); ccI++) {
if(ccI->second.getTransponderId() == tpid) {
dI = curchans.find(ccI->second.getChannelID());
if(dI == curchans.end())
WriteCurrentService(fd, satfound, tpdone, updated, satstr, tI->second, ccI->second, "remove");
}
}
if(tpdone) {
fprintf(fd, "\t\t</TS>\n");
fprintf(fd, "\t</sat>\n");
} else if(satfound)
fprintf(fd, "\t</sat>\n");
if(fd1) {
fgets(buffer, 255, fd1);
while(!feof(fd1)) {
fputs(buffer, fd);
fgets(buffer, 255, fd1);
}
if(!satfound) fprintf(fd, "</zapit>\n");
fclose(fd1);
} else
fprintf(fd, "</zapit>\n");
fclose(fd);
rename(CURRENTSERVICES_TMP, CURRENTSERVICES_XML);
return updated;
}
