diff options
Diffstat (limited to 'lib/dvb_si/pmt.cpp')
| -rw-r--r-- | lib/dvb_si/pmt.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/dvb_si/pmt.cpp b/lib/dvb_si/pmt.cpp new file mode 100644 index 00000000..1c0da43c --- /dev/null +++ b/lib/dvb_si/pmt.cpp @@ -0,0 +1,75 @@ +/* + * $Id: pmt.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/pmt.h> + +ElementaryStreamInfo::ElementaryStreamInfo(const uint8_t * const buffer) +{ + streamType = buffer[0]; + reserved1 = (buffer[1] >> 5) & 0x07; + elementaryPid = ((buffer[1] & 0x1F) << 8) | buffer[2]; + reserved2 = (buffer[3] >> 4) & 0x0F; + esInfoLength = ((buffer[3] & 0x0F) << 8) | buffer[4]; + + for (uint16_t i = 5; i < esInfoLength + 5; i += buffer[i + 1] + 2) + descriptor(&buffer[i]); +} + +uint8_t ElementaryStreamInfo::getType(void) const +{ + return streamType; +} + +uint16_t ElementaryStreamInfo::getPid(void) const +{ + return elementaryPid; +} + +ProgramMapTable::ProgramMapTable(const uint8_t * const buffer) : LongCrcTable(buffer) +{ + reserved4 = (buffer[8] >> 5) & 0x07; + pcrPid = ((buffer[8] & 0x1F) << 8) | buffer[9]; + reserved5 = (buffer[10] >> 4) & 0x0F; + programInfoLength = ((buffer[10] & 0x0F) << 8) | buffer[11]; + + for (uint16_t i = 12; i < programInfoLength + 12; i += buffer[i + 1] + 2) + descriptor(&buffer[i]); + + for (uint16_t i = programInfoLength + 12; i < sectionLength - 1; i += ((buffer[i + 3] & 0x0F) | buffer[i + 4]) + 5) + esInfo.push_back(new ElementaryStreamInfo(&buffer[i])); +} + +uint16_t ProgramMapTable::getPcrPid(void) const +{ + return pcrPid; +} + +const ElementaryStreamInfoVector *ProgramMapTable::getEsInfo(void) const +{ + return &esInfo; +} + +ProgramMapTable::~ProgramMapTable(void) +{ + for (ElementaryStreamInfoIterator i = esInfo.begin(); i != esInfo.end(); ++i) + delete *i; +} + |
