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145 lines
4.9 KiB
145 lines
4.9 KiB
/*
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* PlaylistManager.h
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*****************************************************************************
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* Copyright © 2010 - 2011 Klagenfurt University
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* 2015 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 PLAYLISTMANAGER_H_
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#define PLAYLISTMANAGER_H_
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#include "logic/AbstractAdaptationLogic.h"
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#include "Streams.hpp"
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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 AbstractPlaylist;
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class BasePeriod;
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}
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namespace http
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{
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class AbstractConnectionManager;
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}
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using namespace playlist;
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using namespace logic;
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class PlaylistManager
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{
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public:
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PlaylistManager( demux_t *,
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SharedResources *,
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AbstractPlaylist *,
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AbstractStreamFactory *,
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AbstractAdaptationLogic::LogicType type );
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virtual ~PlaylistManager ();
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bool init();
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bool start();
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bool started() const;
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void stop();
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AbstractStream::buffering_status bufferize(vlc_tick_t, vlc_tick_t, vlc_tick_t);
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AbstractStream::status dequeue(vlc_tick_t, vlc_tick_t *);
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void drain();
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virtual bool needsUpdate() const;
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virtual bool updatePlaylist();
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virtual void scheduleNextUpdate();
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/* static callbacks */
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static int control_callback(demux_t *, int, va_list);
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static int demux_callback(demux_t *);
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protected:
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/* Demux calls */
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virtual int doControl(int, va_list);
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virtual int doDemux(vlc_tick_t);
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virtual bool setPosition(vlc_tick_t);
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vlc_tick_t getResumeTime() const;
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vlc_tick_t getFirstDTS() const;
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virtual vlc_tick_t getFirstPlaybackTime() const;
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vlc_tick_t getCurrentDemuxTime() const;
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virtual bool reactivateStream(AbstractStream *);
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bool setupPeriod();
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void unsetPeriod();
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void updateControlsPosition();
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/* local factories */
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virtual AbstractAdaptationLogic *createLogic(AbstractAdaptationLogic::LogicType,
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AbstractConnectionManager *);
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virtual AbstractBufferingLogic *createBufferingLogic() const;
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SharedResources *resources;
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AbstractAdaptationLogic::LogicType logicType;
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AbstractAdaptationLogic *logic;
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AbstractBufferingLogic *bufferingLogic;
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AbstractPlaylist *playlist;
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AbstractStreamFactory *streamFactory;
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demux_t *p_demux;
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std::vector<AbstractStream *> streams;
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BasePeriod *currentPeriod;
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/* shared with demux/buffering */
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struct
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{
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vlc_tick_t i_nzpcr;
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vlc_tick_t i_firstpcr;
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mutable vlc_mutex_t lock;
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vlc_cond_t cond;
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} demux;
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/* buffering process */
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time_t nextPlaylistupdate;
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int failedupdates;
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/* Controls */
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struct
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{
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bool b_live;
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vlc_tick_t i_time;
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double f_position;
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mutable vlc_mutex_t lock;
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vlc_tick_t playlistStart;
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vlc_tick_t playlistEnd;
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vlc_tick_t playlistLength;
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time_t lastupdate;
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} cached;
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private:
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void setBufferingRunState(bool);
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void Run();
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static void * managerThread(void *);
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vlc_mutex_t lock;
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vlc_thread_t thread;
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bool b_thread;
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vlc_cond_t waitcond;
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bool b_buffering;
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bool b_canceled;
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};
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}
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#endif /* PLAYLISTMANAGER_H_ */
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