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Diffstat (limited to 'libdash/source/mpd/SegmentTemplate.cpp')
| -rw-r--r-- | libdash/source/mpd/SegmentTemplate.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/libdash/source/mpd/SegmentTemplate.cpp b/libdash/source/mpd/SegmentTemplate.cpp new file mode 100644 index 00000000..b92c4692 --- /dev/null +++ b/libdash/source/mpd/SegmentTemplate.cpp @@ -0,0 +1,152 @@ +/* + * 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, uint32_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, uint32_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, uint32_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, uint32_t number) const +{ + char formattedNumber [50]; + size_t pos = 0; + std::string formatTag = "%01d"; + + 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, uint32_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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