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/*
* Representation.cpp
*****************************************************************************
* Copyright (C) 2010 - 2011 Klagenfurt University
*
* Created on: Aug 10, 2010
* Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
* Christian Timmerer <christian.timmerer@itec.uni-klu.ac.at>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <cstdlib>
#include "Representation.h"
#include "AdaptationSet.h"
#include "MPD.h"
#include "TrickModeType.h"
#include "../../adaptive/playlist/SegmentTemplate.h"
#include "../../adaptive/playlist/SegmentTimeline.h"
#include "TemplatedUri.hpp"
using namespace dash::mpd;
Representation::Representation ( AdaptationSet *set ) :
BaseRepresentation( set ),
qualityRanking ( -1 ),
trickModeType ( NULL )
{
}
Representation::~Representation ()
{
delete(this->trickModeType);
}
StreamFormat Representation::getStreamFormat() const
{
return StreamFormat(getMimeType());
}
TrickModeType* Representation::getTrickModeType () const
{
return this->trickModeType;
}
void Representation::setTrickMode (TrickModeType *trickModeType)
{
this->trickModeType = trickModeType;
}
int Representation::getQualityRanking() const
{
return this->qualityRanking;
}
void Representation::setQualityRanking( int qualityRanking )
{
if ( qualityRanking > 0 )
this->qualityRanking = qualityRanking;
}
const std::list<const Representation*>& Representation::getDependencies() const
{
return this->dependencies;
}
void Representation::addDependency(const Representation *dep)
{
if ( dep != NULL )
this->dependencies.push_back( dep );
}
std::string Representation::contextualize(size_t number, const std::string &component,
const SegmentTemplate *templ) const
{
if(!templ)
return component;
std::string str(component);
std::string::size_type pos = 0;
while(pos < str.length())
{
TemplatedUri::Token token;
if(str[pos] == '$' && TemplatedUri::IsDASHToken(str, pos, token))
{
TemplatedUri::TokenReplacement replparam;
switch(token.type)
{
case TemplatedUri::Token::TOKEN_TIME:
replparam.value = templ ? getScaledTimeBySegmentNumber(number, templ) : 0;
break;
case TemplatedUri::Token::TOKEN_BANDWIDTH:
replparam.value = getBandwidth();
break;
case TemplatedUri::Token::TOKEN_NUMBER:
replparam.value = number;
break;
case TemplatedUri::Token::TOKEN_REPRESENTATION:
replparam.str = id.str();
break;
case TemplatedUri::Token::TOKEN_ESCAPE:
break;
default:
pos += token.fulllength;
continue;
}
/* Replace with newvalue */
std::string::size_type newlen = TemplatedUri::ReplaceDASHToken(
str, pos, token, replparam);
if(newlen == std::string::npos)
newlen = token.fulllength;
pos += newlen;
}
else pos++;
}
return str;
}
stime_t Representation::getScaledTimeBySegmentNumber(uint64_t index, const SegmentTemplate *templ) const
{
vlc_tick_t time = 0;
const SegmentTimeline *tl = templ->inheritSegmentTimeline();
if(tl)
{
time = tl->getScaledPlaybackTimeByElementNumber(index);
}
else if(templ->inheritDuration())
{
time = templ->inheritDuration() * index;
}
return time;
}
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