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/*
* $Id: nit.cpp,v 1.1 2003-10-17 15:36:37 tmbinc Exp $
*
* (C) 2002-2003 Andreas Oberritter <obi@saftware.de>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <lib/dvb_si/nit.h>
TransportStreamInfo::TransportStreamInfo(const uint8_t * const buffer)
{
transportStreamId = (buffer[0] << 8) | buffer[1];
originalNetworkId = (buffer[2] << 8) | buffer[3];
reserved1 = (buffer[4] >> 8) & 0x0F;
transportDescriptorsLength = ((buffer[4] & 0x0F) << 8) | buffer[5];
for (uint16_t i = 6; i < transportDescriptorsLength + 6; i += buffer[i + 1] + 2)
descriptor(&buffer[i]);
}
uint16_t TransportStreamInfo::getTransportStreamId(void) const
{
return transportStreamId;
}
uint16_t TransportStreamInfo::getOriginalNetworkId(void) const
{
return originalNetworkId;
}
NetworkInformationTable::NetworkInformationTable(const uint8_t * const buffer) : LongCrcTable(buffer)
{
reserved4 = (buffer[8] >> 5) & 0x0F;
networkDescriptorsLength = ((buffer[8] & 0x0F) << 8) | buffer[9];
for (uint16_t i = 10; i < networkDescriptorsLength + 10; i += buffer[i + 1] + 2)
descriptor(&buffer[i]);
reserved5 = (buffer[networkDescriptorsLength + 10] >> 4) & 0x0F;
transportStreamLoopLength = ((buffer[networkDescriptorsLength + 10] & 0x0F) << 8) | buffer[networkDescriptorsLength + 11];
for (uint16_t i = networkDescriptorsLength + 12; i < sectionLength + 3 - 4; i += ((buffer[i + 4] & 0x0F) | buffer[i + 5]) + 6)
tsInfo.push_back(new TransportStreamInfo(&buffer[i]));
}
NetworkInformationTable::~NetworkInformationTable(void)
{
for (TransportStreamInfoIterator i = tsInfo.begin(); i != tsInfo.end(); ++i)
delete *i;
}
const TransportStreamInfoVector *NetworkInformationTable::getTsInfo(void) const
{
return &tsInfo;
}
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