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120 lines
5.1 KiB
120 lines
5.1 KiB
/*
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* SegmentInformation.hpp
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*****************************************************************************
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* Copyright (C) 2014 - VideoLAN and VLC Authors
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef SEGMENTINFORMATION_HPP
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#define SEGMENTINFORMATION_HPP
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#include "ICanonicalUrl.hpp"
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#include "../tools/Properties.hpp"
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#include "../encryption/CommonEncryption.hpp"
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#include "SegmentInfoCommon.h"
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#include <vlc_common.h>
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#include <vector>
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namespace adaptive
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{
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namespace playlist
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{
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class SegmentBase;
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class SegmentList;
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class SegmentTimeline;
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class SegmentTemplate;
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class MediaSegmentTemplate;
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class AbstractPlaylist;
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class ISegment;
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/* common segment elements for period/adaptset/rep 5.3.9.1,
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* with properties inheritance */
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class SegmentInformation : public ICanonicalUrl,
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public TimescaleAble,
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public Unique
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{
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friend class MediaSegmentTemplate;
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public:
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SegmentInformation( SegmentInformation * = 0 );
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explicit SegmentInformation( AbstractPlaylist * );
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virtual ~SegmentInformation();
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virtual vlc_tick_t getPeriodStart() const;
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virtual AbstractPlaylist *getPlaylist() const;
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class SplitPoint
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{
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public:
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size_t offset;
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vlc_tick_t time;
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vlc_tick_t duration;
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};
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void SplitUsingIndex(std::vector<SplitPoint>&);
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enum SegmentInfoType
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{
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INFOTYPE_INIT = 0,
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INFOTYPE_MEDIA,
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INFOTYPE_INDEX
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};
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static const int InfoTypeCount = INFOTYPE_INDEX + 1;
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ISegment * getSegment(SegmentInfoType, uint64_t = 0) const;
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ISegment * getNextSegment(SegmentInfoType, uint64_t, uint64_t *, bool *) const;
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bool getSegmentNumberByTime(vlc_tick_t, uint64_t *) const;
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bool getPlaybackTimeDurationBySegmentNumber(uint64_t, vlc_tick_t *, vlc_tick_t *) const;
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bool getMediaPlaybackRange(vlc_tick_t *, vlc_tick_t *, vlc_tick_t *) const;
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virtual void updateWith(SegmentInformation *);
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virtual void mergeWithTimeline(SegmentTimeline *); /* ! don't use with global merge */
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virtual void pruneBySegmentNumber(uint64_t);
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virtual void pruneByPlaybackTime(vlc_tick_t);
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virtual uint64_t translateSegmentNumber(uint64_t, const SegmentInformation *) const;
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void setEncryption(const CommonEncryption &);
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const CommonEncryption & intheritEncryption() const;
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protected:
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std::size_t getAllSegments(std::vector<ISegment *> &) const;
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virtual std::size_t getSegments(SegmentInfoType, std::vector<ISegment *>&) const;
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std::vector<SegmentInformation *> childs;
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SegmentInformation * getChildByID( const ID & );
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SegmentInformation *parent;
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public:
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void updateSegmentList(SegmentList *, bool = false);
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void setSegmentBase(SegmentBase *);
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void setSegmentTemplate(MediaSegmentTemplate *);
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virtual Url getUrlSegment() const; /* impl */
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Property<Url *> baseUrl;
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void setAvailabilityTimeOffset(vlc_tick_t);
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void setAvailabilityTimeComplete(bool);
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SegmentBase * inheritSegmentBase() const;
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SegmentList * inheritSegmentList() const;
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MediaSegmentTemplate * inheritSegmentTemplate() const;
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vlc_tick_t inheritAvailabilityTimeOffset() const;
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bool inheritAvailabilityTimeComplete() const;
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private:
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void init();
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SegmentBase *segmentBase;
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SegmentList *segmentList;
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MediaSegmentTemplate *mediaSegmentTemplate;
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CommonEncryption commonEncryption;
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Undef<bool> availabilityTimeComplete;
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Undef<vlc_tick_t>availabilityTimeOffset;
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};
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}
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}
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#endif // SEGMENTINFORMATION_HPP
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