2 * $Id: nit.cpp,v 1.1 2003-10-17 15:36:37 tmbinc Exp $
4 * (C) 2002-2003 Andreas Oberritter <obi@saftware.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <lib/dvb_si/nit.h>
24 TransportStreamInfo::TransportStreamInfo(const uint8_t * const buffer)
26 transportStreamId = (buffer[0] << 8) | buffer[1];
27 originalNetworkId = (buffer[2] << 8) | buffer[3];
28 reserved1 = (buffer[4] >> 8) & 0x0F;
29 transportDescriptorsLength = ((buffer[4] & 0x0F) << 8) | buffer[5];
31 for (uint16_t i = 6; i < transportDescriptorsLength + 6; i += buffer[i + 1] + 2)
32 descriptor(&buffer[i]);
35 uint16_t TransportStreamInfo::getTransportStreamId(void) const
37 return transportStreamId;
40 uint16_t TransportStreamInfo::getOriginalNetworkId(void) const
42 return originalNetworkId;
45 NetworkInformationTable::NetworkInformationTable(const uint8_t * const buffer) : LongCrcTable(buffer)
47 reserved4 = (buffer[8] >> 5) & 0x0F;
48 networkDescriptorsLength = ((buffer[8] & 0x0F) << 8) | buffer[9];
50 for (uint16_t i = 10; i < networkDescriptorsLength + 10; i += buffer[i + 1] + 2)
51 descriptor(&buffer[i]);
53 reserved5 = (buffer[networkDescriptorsLength + 10] >> 4) & 0x0F;
54 transportStreamLoopLength = ((buffer[networkDescriptorsLength + 10] & 0x0F) << 8) | buffer[networkDescriptorsLength + 11];
56 for (uint16_t i = networkDescriptorsLength + 12; i < sectionLength + 3 - 4; i += ((buffer[i + 4] & 0x0F) | buffer[i + 5]) + 6)
57 tsInfo.push_back(new TransportStreamInfo(&buffer[i]));
60 NetworkInformationTable::~NetworkInformationTable(void)
62 for (TransportStreamInfoIterator i = tsInfo.begin(); i != tsInfo.end(); ++i)
66 const TransportStreamInfoVector *NetworkInformationTable::getTsInfo(void) const