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Diffstat (limited to 'src/libdash/include/ISegmentTimeline.h')
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diff --git a/src/libdash/include/ISegmentTimeline.h b/src/libdash/include/ISegmentTimeline.h new file mode 100644 index 00000000..809ee735 --- /dev/null +++ b/src/libdash/include/ISegmentTimeline.h @@ -0,0 +1,50 @@ +/** + * @class dash::mpd::ISegmentTimeline + * @brief This interface is needed for accessing the subelements of the <tt><b>SegmentTimeline</b></tt> element, as specified in <em>ISO/IEC 23009-1, Part 1, 2012</em>, section 5.3.9.6 + * @details The <tt><b>SegmentTimeline</b></tt> element expresses the earliest presentation time and presentation duration (in units based on the \c \@timescale attribute) + * for each Segment in the Representation. The use is an alternative to providing the \c \@duration attribute and provides three additional features: + * <ul> + * <li> the specification of arbitrary Segment durations, + * <li> the specification of accurate Segment durations for one media stream where the duration expresses presentation duration of the Segment, and + * <li> the signalling of discontinuities of the Media Presentation timeline for which no Segment data are present in a specific Representation. + * </ul> + * For compactness the syntax of this element includes run-length compression to express a sequence of Segments having constant duration.\n\n + * The <tt><b>SegmentTimeline</b></tt> element shall contain a list of <tt><b>S</b></tt> elements each of which describes a sequence of contiguous segments of identical MPD duration. + * @see dash::mpd::ITimeline dash::mpd::IMultipleSegmentBase dash::mpd::IMPDElement + * + * @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 ISEGMENTTIMELINE_H_ +#define ISEGMENTTIMELINE_H_ + +#include "config.h" + +#include "ITimeline.h" +#include "IMPDElement.h" + +namespace dash +{ + namespace mpd + { + class ISegmentTimeline : public virtual IMPDElement + { + public: + virtual ~ISegmentTimeline(){} + + /** + * Returns a reference to a vector of pointers to dash::mpd::ITimeline objects, that correspond to the to <b><tt>S</tt></b> elements. + * @return a reference to vector of pointers to dash::mpd::ITimeline objects + */ + virtual std::vector<ITimeline *>& GetTimelines () const = 0; + }; + } +} + +#endif /* ISEGMENTTIMELINE_H_ */
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