C++ (Cpp) parseSDT Examples

Example #1

File: cablescan.cpp Project: Atsilla/enigma2-openpli-fulan

void eCableScan::SDTReady(int error)
{
	eDebug("[eCableScan] SDTReady %d", error);

	if (!error)
	{
		parseSDT();
	}

	nextChannel();
}

Example #2

File: dvb_epg.cpp Project: thecrisb/tv_grab_dvb_plus

/*
 * Read EIT segments from DVB-demuxer
 */
void readEventTables(int format, cFilter* filters)
{
	int r = 0;
	u_char buf[1 << 12];
	size_t l;
	int compressed;
	int uncompressed;
	float ratio;
	int64_t lastReadTime = 0;

	if (filters)
	{
		alarm(0);
		setTimeoutDeadline();
		lastReadTime = getTime();
	}

	while (1) {
		int pid = DVB_EIT_PID;
		if (filters)
		{
			if ((getTime() - finishTime) >= 0) {
				log_message(DEBUG, "timeout occurred");
				break;
			}
			r = 0;
			int fd = filters->Poll(5000, &pid);
			if (fd > 0)
			{
				r = read(fd, buf, sizeof(buf));
				if (r > 0)
				{
					lastReadTime = getTime();
				}
				else if (r == 0)
				{
					if ((getTime() - lastReadTime) > 2000)
					{
						log_message(DEBUG, "did not read any more");
						break;
					}
				}
				else
				{
					if (errno != ETIMEDOUT)
						log_message(ERROR, "pid read error %d", errno);
				}
			}
		}
		else
		{
			r = read(STDIN_FILENO, buf, sizeof(buf));
			if (r < 0) {
				log_message(DEBUG, "did not read any more");
				break;
			}
		}
		packet_count++;
		struct si_tab *tab = (struct si_tab *) buf;
		if (GetTableId(tab) == 0) {
			continue;
		}
		l = sizeof(struct si_tab) + GetSectionLength(tab);
		log_message(TRACE, "tableid %d len %d totallen %d.", GetTableId(tab), l, r);
		if (!SI::CRC32::isValid((const char *) buf, r)) {
			log_message(ERROR, "data or length is wrong for pid %d (0x%x) tableid %d (0x%x), len %d. skipping packet.",pid, pid, GetTableId(tab), GetTableId(tab), r);
			crcerr_count++;
			if (pid == DVB_TDT_PID && GetTableId(tab) == 112)
			{
			}
		} else {
			switch (pid)
			{
				case DVB_EIT_PID:
					parseEIT(buf, l);
					break;
				case DVB_SDT_PID:
					parseSDT(buf, l, &fullChannels);
					break;
				case DVB_TDT_PID:
					break;
			}
		}
		log_message(
				TRACE,
				"Status: %d pkts, %d prgms, %d updates, %d invalid, %d CRC err",
				packet_count, programme_count, update_count,
				invalid_date_count, crcerr_count);
	}
	uncompressed = get_stat("freesathuffman.uncompressed");
	compressed = get_stat("freesathuffman.compressed");
	ratio = (compressed>0)?uncompressed / compressed:1;
	log_message(DEBUG, "freesat huffman average expansion ratio: %f", ratio);
}