2 * $Id: ac3_descriptor.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/ac3_descriptor.h>
24 Ac3Descriptor::Ac3Descriptor(const uint8_t * const buffer) : Descriptor(buffer)
28 ac3TypeFlag = (buffer[2] >> 7) & 0x01;
29 bsidFlag = (buffer[2] >> 6) & 0x01;
30 mainidFlag = (buffer[2] >> 5) & 0x01;
31 asvcFlag = (buffer[2] >> 4) & 0x01;
32 reserved = buffer[2] & 0x0F;
37 bsid = buffer[ac3TypeFlag + 3];
40 mainid = buffer[ac3TypeFlag + mainidFlag + 3];
43 avsc = buffer[ac3TypeFlag + bsidFlag + mainidFlag + 3];
45 if (descriptorLength > ac3TypeFlag + bsidFlag + mainidFlag + asvcFlag)
46 for (uint16_t i = 0; i < descriptorLength - ac3TypeFlag - bsidFlag - mainidFlag - asvcFlag - 1; ++i)
47 additionalInfo.push_back(buffer[ac3TypeFlag + bsidFlag + mainidFlag + asvcFlag + i + 3]);
58 uint8_t Ac3Descriptor::getAc3TypeFlag(void) const
63 uint8_t Ac3Descriptor::getBsidFlag(void) const
68 uint8_t Ac3Descriptor::getMainidFlag(void) const
73 uint8_t Ac3Descriptor::getAsvcFlag(void) const
78 uint8_t Ac3Descriptor::getAc3Type(void) const
83 uint8_t Ac3Descriptor::getBsid(void) const
88 uint8_t Ac3Descriptor::getMainid(void) const
93 uint8_t Ac3Descriptor::getAvsc(void) const
98 const AdditionalInfoVector *Ac3Descriptor::getAdditionalInfo(void) const
100 return &additionalInfo;