Example #1
0
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;
}
Example #2
0
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;
}
Example #3
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;
}