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/*
* SegmentTemplate.cpp
*****************************************************************************
* Copyright (C) 2012, bitmovin Softwareentwicklung OG, All Rights Reserved
*
* Email: libdash-dev@vicky.bitmovin.net
*
* This source code and its use and distribution, is subject to the terms
* and conditions of the applicable license agreement.
*****************************************************************************/
#include "SegmentTemplate.h"
using namespace dash::mpd;
using namespace dash::metrics;
SegmentTemplate::SegmentTemplate () :
media(""),
index(""),
initialization(""),
bitstreamSwitching("")
{
}
SegmentTemplate::~SegmentTemplate ()
{
}
const std::string& SegmentTemplate::Getmedia () const
{
return this->media;
}
void SegmentTemplate::SetMedia (const std::string& media)
{
this->media = media;
}
const std::string& SegmentTemplate::Getindex () const
{
return this->index;
}
void SegmentTemplate::SetIndex (const std::string& index)
{
this->index = index;
}
const std::string& SegmentTemplate::Getinitialization () const
{
return this->initialization;
}
void SegmentTemplate::SetInitialization (const std::string& initialization)
{
this->initialization = initialization;
}
const std::string& SegmentTemplate::GetbitstreamSwitching () const
{
return this->bitstreamSwitching;
}
void SegmentTemplate::SetBitstreamSwitching (const std::string& bitstreamSwitching)
{
this->bitstreamSwitching = bitstreamSwitching;
}
ISegment* SegmentTemplate::ToInitializationSegment (const std::vector<IBaseUrl *>& baseurls, const std::string& representationID, uint32_t bandwidth) const
{
return ToSegment(this->initialization, baseurls, representationID, bandwidth, dash::metrics::InitializationSegment);
}
ISegment* SegmentTemplate::ToBitstreamSwitchingSegment (const std::vector<IBaseUrl *>& baseurls, const std::string& representationID, uint32_t bandwidth) const
{
return ToSegment(this->bitstreamSwitching, baseurls, representationID, bandwidth, dash::metrics::BitstreamSwitchingSegment);
}
ISegment* SegmentTemplate::GetMediaSegmentFromNumber (const std::vector<IBaseUrl *>& baseurls, const std::string& representationID, uint32_t bandwidth, uint32_t number) const
{
return ToSegment(this->media, baseurls, representationID, bandwidth, dash::metrics::MediaSegment, number);
}
ISegment* SegmentTemplate::GetIndexSegmentFromNumber (const std::vector<IBaseUrl *>& baseurls, const std::string& representationID, uint32_t bandwidth, uint32_t number) const
{
return ToSegment(this->index, baseurls, representationID, bandwidth, dash::metrics::IndexSegment, number);
}
ISegment* SegmentTemplate::GetMediaSegmentFromTime (const std::vector<IBaseUrl *>& baseurls, const std::string& representationID, uint32_t bandwidth, uint64_t time) const
{
return ToSegment(this->media, baseurls, representationID, bandwidth, dash::metrics::MediaSegment, 0, time);
}
ISegment* SegmentTemplate::GetIndexSegmentFromTime (const std::vector<IBaseUrl *>& baseurls, const std::string& representationID, uint32_t bandwidth, uint64_t time) const
{
return ToSegment(this->index, baseurls, representationID, bandwidth, dash::metrics::IndexSegment, 0, time);
}
std::string SegmentTemplate::ReplaceParameters (const std::string& uri, const std::string& representationID, uint32_t bandwidth, uint32_t number, uint64_t time) const
{
std::vector<std::string> chunks;
std::string replacedUri = "";
dash::helpers::String::Split(uri, '$', chunks);
if (chunks.size() > 1)
{
for(size_t i = 0; i < chunks.size(); i++)
{
if ( chunks.at(i) == "RepresentationID") {
chunks.at(i) = representationID;
continue;
}
if (chunks.at(i).find("Bandwidth") == 0)
{
FormatChunk(chunks.at(i), bandwidth);
continue;
}
if (chunks.at(i).find("Number") == 0)
{
FormatChunk(chunks.at(i), number);
continue;
}
if (chunks.at(i).find("Time") == 0)
{
FormatChunk(chunks.at(i), time);
continue;
}
}
for(size_t i = 0; i < chunks.size(); i++)
replacedUri += chunks.at(i);
return replacedUri;
}
else
{
replacedUri = uri;
return replacedUri;
}
}
void SegmentTemplate::FormatChunk (std::string& uri, uint64_t number) const
{
char formattedNumber [50];
size_t pos = 0;
std::string formatTag = "%01lu";
if ( (pos = uri.find("%0")) != std::string::npos)
formatTag = uri.substr(pos).append("d");
sprintf(formattedNumber, formatTag.c_str(), number);
uri = formattedNumber;
}
ISegment* SegmentTemplate::ToSegment (const std::string& uri, const std::vector<IBaseUrl *>& baseurls, const std::string& representationID, uint32_t bandwidth, HTTPTransactionType type, uint32_t number, uint64_t time) const
{
Segment *seg = new Segment();
if(seg->Init(baseurls, ReplaceParameters(uri, representationID, bandwidth, number, time), "", type))
return seg;
delete(seg);
return NULL;
}
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