jprogramassociationsection.cpp
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "Stdafx.h"
#include "jprogramassociationsection.h"
namespace jmpeg {
ProgramAssociationSection::ProgramAssociationSection():
ProgramSystemInformationSection()
{
}
ProgramAssociationSection::~ProgramAssociationSection()
{
}
// TODO:: int ProgramAssociationSection::GetPrograms(std::map<int, ProgramAssociationSection::Program *> &program_map)
int ProgramAssociationSection::GetPrograms(std::vector<ProgramAssociationSection::Program *> &program_map)
{
if (IsComplete() == false) {
return -1;
}
int number_of_programs = GetSectionLength() - 5 - 4; // section_length - previous_bytes - crc32
if ((number_of_programs <= 0) | ((number_of_programs % 4) != 0)) {
return -1;
}
int pid,
reserved,
program_number,
k;
number_of_programs /= 4;
for (int i=0; i<number_of_programs; i++) {
k = i * 4;
program_number = (uint16_t)(((*(_data + 8 + k)) << 8) | (*(_data + 9 + k))) & 0x0000ffff;
reserved = (uint16_t)(((*(_data + 10 + k) >> 5))) & 0x00000007;
pid = (uint16_t)(((*(_data + 10 + k) << 8) | (*(_data + 11 + k)))) & 0x00001fff;
ProgramAssociationSection::Program *p = new ProgramAssociationSection::Program();
p->AppendProgramNumber(program_number);
p->AppendReserved(reserved);
p->AppendProgramID(pid);
program_map.push_back(p);
/*
if (program_map.find(program_number) == program_map.end()) {
program_map[program_number] = new ProgramAssociationSection::Program(program_number);
}
program_map[program_number]->AppendProgramID(pid);
*/
}
return 0;
}
}