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108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
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/*
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* stillsstreams.c: Class for elemenary still video streams
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* Most functionality is inherited from VideoStream
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*
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* Copyright (C) 2001 Andrew Stevens <andrew.stevens@philips.com>
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public License
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* as published by the Free Software Foundation.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "videostrm.hh"
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class FrameIntervals
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{
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public:
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virtual int NextFrameInterval () = 0;
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};
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//
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// Class of sequence of frame intervals.
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//
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class ConstantFrameIntervals:public FrameIntervals
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{
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public:
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ConstantFrameIntervals (int _frame_interval):frame_interval (_frame_interval)
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{
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}
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int NextFrameInterval ()
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{
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return frame_interval;
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};
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private:
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int frame_interval;
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};
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//
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// Class for video stills sequence for (S)VCD non-mixed stills segment
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// item
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//
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class StillsStream:public VideoStream
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{
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public:
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StillsStream (IBitStream & ibs,
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OutputStream & into, FrameIntervals * frame_ints):VideoStream (ibs, into),
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current_PTS (0LL), current_DTS (0LL), intervals (frame_ints)
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{
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}
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void Init ();
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private:
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virtual void NextDTSPTS (clockticks & DTS, clockticks & PTS);
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clockticks current_PTS;
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clockticks current_DTS;
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FrameIntervals *intervals;
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int opt_mux_format;
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};
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//
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// Class for video stills sequence for VCD mixed stills Segment item.
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//
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class VCDStillsStream:public StillsStream
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{
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public:
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VCDStillsStream (IBitStream & ibs,
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OutputStream & into, FrameIntervals * frame_ints):StillsStream (ibs, into,
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frame_ints),
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sibling (0), stream_mismatch_warned (false)
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{
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}
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void SetSibling (VCDStillsStream *);
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virtual bool MuxPossible ();
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private:
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bool LastSectorLastAU ();
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VCDStillsStream *sibling;
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bool stream_mismatch_warned;
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};
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/*
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* Local variables:
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* c-file-style: "stroustrup"
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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