mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 17:50:36 +00:00
108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
|
|
|||
|
|
/*
|
|||
|
|
* 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:
|
|||
|
|
*/
|