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/*
* stillsstreams.c: Class for elemenary still video streams
* Most functionality is inherited from VideoStream
*
* Copyright (C) 2001 Andrew Stevens <andrew.stevens@philips.com>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public License
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "videostrm.hh"
class FrameIntervals
{
public:
virtual int NextFrameInterval () = 0;
};
//
// Class of sequence of frame intervals.
//
class ConstantFrameIntervals:public FrameIntervals
{
public:
ConstantFrameIntervals (int _frame_interval):frame_interval (_frame_interval)
{
}
int NextFrameInterval ()
{
return frame_interval;
};
private:
int frame_interval;
};
//
// Class for video stills sequence for (S)VCD non-mixed stills segment
// item
//
class StillsStream:public VideoStream
{
public:
StillsStream (IBitStream & ibs,
OutputStream & into, FrameIntervals * frame_ints):VideoStream (ibs, into),
current_PTS (0LL), current_DTS (0LL), intervals (frame_ints)
{
}
void Init ();
private:
virtual void NextDTSPTS (clockticks & DTS, clockticks & PTS);
clockticks current_PTS;
clockticks current_DTS;
FrameIntervals *intervals;
int opt_mux_format;
};
//
// Class for video stills sequence for VCD mixed stills Segment item.
//
class VCDStillsStream:public StillsStream
{
public:
VCDStillsStream (IBitStream & ibs,
OutputStream & into, FrameIntervals * frame_ints):StillsStream (ibs, into,
frame_ints),
sibling (0), stream_mismatch_warned (false)
{
}
void SetSibling (VCDStillsStream *);
virtual bool MuxPossible ();
private:
bool LastSectorLastAU ();
VCDStillsStream *sibling;
bool stream_mismatch_warned;
};
/*
* Local variables:
* c-file-style: "stroustrup"
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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