/** * @class dash::mpd::ISegmentTemplate * @brief This interface is needed for accessing the attributes and elements of the SegmentTemplate element * as specified in ISO/IEC 23009-1, Part 1, 2012, section 5.3.9.4.2, table 15 * @details The Segment template is defined by the SegmentTemplate element. In this case, specific identifiers that are substituted by dynamic values assigned to Segments, * to create a list of Segments. The substitution rules are provided in section 5.3.9.4.4 of ISO/IEC 23009-1, Part 1, 2012. * @see dash::mpd::ISegment dash::mpd::IMultipleSegmentBase * * @author bitmovin Softwareentwicklung OG \n * Email: libdash-dev@vicky.bitmovin.net * @version 2.1 * @date 2013 * @copyright bitmovin Softwareentwicklung OG, All Rights Reserved \n\n * This source code and its use and distribution, is subject to the terms * and conditions of the applicable license agreement. */ #ifndef ISEGMENTTEMPLATE_H_ #define ISEGMENTTEMPLATE_H_ #include "config.h" #include "IMultipleSegmentBase.h" namespace dash { namespace mpd { class ISegmentTemplate : public virtual IMultipleSegmentBase { public: virtual ~ISegmentTemplate(){} /** * Returns a reference to a string that specifies the template to create the Media Segment List.\n * For more details on template-based segment URL construction refer to section 5.3.9.4.4 of ISO/IEC 23009-1, Part 1, 2012. * @return a reference to a string */ virtual const std::string& Getmedia () const = 0; /** * Returns a reference to a string that specifies the template to create the Index Segment List. If neither the \em \$Number\$ nor the \em \$Time\$ identifier * is included, this provides the URL to a Representation Index. \n * For more details on template-based segment URL construction refer to section 5.3.9.4.4 of ISO/IEC 23009-1, Part 1, 2012. * @return a reference to a string */ virtual const std::string& Getindex () const = 0; /** * Returns a reference to a string that specifies the template to create the Initialization Segment. Neither \em \$Number\$ nor the \em \$Time\$ identifier * shall be included. \n * For more details on template-based segment URL construction refer to section 5.3.9.4.4 of ISO/IEC 23009-1, Part 1, 2012. * @return a reference to a string */ virtual const std::string& Getinitialization () const = 0; /** * Returns a reference to a string that specifies the template to create the Bitstream Switching Segment. Neither \em \$Number\$ nor the \em \$Time\$ identifier shall be included.\n * For more details on template-based segment URL construction refer to section 5.3.9.4.4 of ISO/IEC 23009-1, Part 1, 2012. * @return a reference to a string */ virtual const std::string& GetbitstreamSwitching () const = 0; /** * Returns a pointer to a dash::mpd::ISegment object that represents an initialization segment and can be downloaded. * @param baseurls a vector of pointers to dash::mpd::IBaseUrl objects that represent the path to the Initialization Segment (template). * @param representationID a string containing the representation ID that will replace the identifier \em \$RepresentationID\$ in the Initialization template. \n * \b NOTE: If there is no identifier \em \$RepresentationID\$ in the template then this parameter will not be used and can be set to \"\". * @param bandwidth an integer specifying the bandwidth that will replace the identifier \em \$Bandwidth\$ in the initialization template. * This integer will be formated according to a possibly contained format tag in the \em \$Bandwidth\$ identifier. \n * \b NOTE: If there is no identifier \em \$bandwidth\$ in the template then this parameter will not be used and can be set to 0. * @return a pointer to a dash::mpd::ISegment object */ virtual ISegment* ToInitializationSegment (const std::vector& baseurls, const std::string& representationID, uint32_t bandwidth) const = 0; /** * Returns a pointer to a dash::mpd::ISegment object that represents a Bitstream Switching Segment and can be downloaded. * @param baseurls a vector of pointers to dash::mpd::IBaseUrl objects that represent the path to the Bitstream Switching Segment (template). * @param representationID a string containing the representation ID that will replace the identifier \em \$RepresentationID\$ in the Bitstream Switching template. \n * \b NOTE: If there is no identifier \em \$RepresentationID\$ in the template then this parameter will not be used and can be set to \"\". * @param bandwidth an integer specifying the bandwidth that will replace the identifier \em \$Bandwidth\$ in the Bitstream Switching template. * This integer will be formated according to a possibly contained format tag in the \em \$Bandwidth\$ identifier.\n * \b NOTE: If there is no identifier \em \$bandwidth\$ in the template then this parameter will not be used and can be set to 0. * @return a pointer to a dash::mpd::ISegment object */ virtual ISegment* ToBitstreamSwitchingSegment (const std::vector& baseurls, const std::string& representationID, uint32_t bandwidth) const = 0; /** * Returns a pointer to a dash::mpd::ISegment object that represents a Media Segment and can be downloaded. * @param baseurls a vector of pointers to dash::mpd::IBaseUrl objects that represent the path to the Media Segment (template). * @param representationID a string containing the representation ID that will replace the identifier \em \$RepresentationID\$ in the Media template.\n * \b NOTE: If there is no identifier \em \$RepresentationID\$ in the template then this parameter will not be used and can be set to \"\". * @param bandwidth an integer specifying the bandwidth that will replace the identifier \em \$Bandwidth\$ in the Media template. * This integer will be formated according to a possibly contained format tag in the \em \$Bandwidth\$ identifier. \n * \b NOTE: If there is no identifier \em \$bandwidth\$ in the template then this parameter will not be used and can be set to 0. * @param number an integer specifying the desired Segment number that will replace the identifier \em \$Number\$ in the Media template. * This integer will be formated according to a possibly contained format tag in the \em \$Number\$ identifier. * @return a pointer to a dash::mpd::ISegment object */ virtual ISegment* GetMediaSegmentFromNumber (const std::vector& baseurls, const std::string& representationID, uint32_t bandwidth, uint32_t number) const = 0; /** * Returns a pointer to a dash::mpd::ISegment object that represents a Index Segment and can be downloaded. * @param baseurls a vector of pointers to dash::mpd::IBaseUrl objects that represent the path to the Index Segment (template). * @param representationID a string containing the representation ID that will replace the identifier \em \$RepresentationID\$ in the Index template.\n * \b NOTE: If there is no identifier \em \$RepresentationID\$ in the template then this parameter will not be used and can be set to \"\". * @param bandwidth an integer specifying the bandwidth that will replace the identifier \em \$Bandwidth\$ in the Index template. * This integer will be formated according to a possibly contained format tag in the \em \$Bandwidth\$ identifier.\n * \b NOTE: If there is no identifier \em \$bandwidth\$ in the template then this parameter will not be used and can be set to 0. * @param number an integer specifying the desired Segment number that will replace the identifier \em \$Number\$ in the Index template. * This integer will be formated according to a possibly contained format tag in the \em \$Number\$ identifier. * @return a pointer to a dash::mpd::ISegment object */ virtual ISegment* GetIndexSegmentFromNumber (const std::vector& baseurls, const std::string& representationID, uint32_t bandwidth, uint32_t number) const = 0; /** * Returns a pointer to a dash::mpd::ISegment object that represents a Media Segment and can be downloaded. * @param baseurls a vector of pointers to dash::mpd::IBaseUrl objects that represent the path to the Media Segment (template). * @param representationID a string containing the representation ID that will replace the identifier \em \$RepresentationID\$ in the Media template. * \b NOTE: If there is no identifier \em \$RepresentationID\$ in the template then this parameter will not be used and can be set to \"\". * @param bandwidth an integer specifying the bandwidth that will replace the identifier \em \$Bandwidth\$ in the Media template. * This integer will be formated according to a possibly contained format tag in the \em \$Bandwidth\$ identifier.\n * \b NOTE: If there is no identifier \em \$bandwidth\$ in the template then this parameter will not be used and can be set to 0. * @param time an integer corresponding to the SegmentTimeline\@t attribute that will replace the identifier \em \$Time\$ in the Media template. * This integer will be formated according to a possibly contained format tag in the \em \$Time\$ identifier. * @return a pointer to a dash::mpd::ISegment object */ virtual ISegment* GetMediaSegmentFromTime (const std::vector& baseurls, const std::string& representationID, uint32_t bandwidth, uint64_t time) const = 0; /** * Returns a pointer to a dash::mpd::ISegment object that represents a Index Segment and can be downloaded. * @param baseurls a vector of pointers to dash::mpd::IBaseUrl objects that represent the path to the Index Segment (template). * @param representationID a string containing the representation ID that will replace the identifier \em \$RepresentationID\$ in the Index template.\n * \b NOTE: If there is no identifier \em \$RepresentationID\$ in the template then this parameter will not be used and can be set to \"\". * @param bandwidth an integer specifying the bandwidth that will replace the identifier \em \$Bandwidth\$ in the Index template. * This integer will be formated according to a possibly contained format tag in the \em \$Bandwidth\$ identifier.\n * \b NOTE: If there is no identifier \em \$bandwidth\$ in the template then this parameter will not be used and can be set to 0. * @param time an integer corresponding to the SegmentTimeline\@t attribute that will replace the identifier \em \$Time\$ in the Index template. * This integer will be formated according to a possibly contained format tag in the \em \$Time\$ identifier. * @return a pointer to a dash::mpd::ISegment object */ virtual ISegment* GetIndexSegmentFromTime (const std::vector& baseurls, const std::string& representationID, uint32_t bandwidth, uint64_t time) const = 0; }; } } #endif /* ISEGMENTTEMPLATE_H_ */