pp_fps.hh

PIXIL is a small footprint operating environment, complete with PDA PIM applications, a browser and

/********************************************************************************
  vpostproc/pp_fps.hh

  purpose:
    Show frames per second.

  notes:

  to do:

  author(s):
   - Dirk Farin, Kapellenweg 15, 72070 Tuebingen, Germany,
     email: [e-mail]

  modifications:
   07/Sep/2000 - Dirk Farin
     - Complete reorganisation because of output architecture change.
   01/Sep/2000 - Dirk Farin
     - first implementation
 ********************************************************************************
    Copyright (C) 1999  Dirk Farin

    This program is distributed under GNU Public License (GPL) as
    outlined in the COPYING file that comes with the source distribution.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    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
 ********************************************************************************/

#ifndef DVDVIEW_VPOSTPROC_PP_FPS_HH
#define DVDVIEW_VPOSTPROC_PP_FPS_HH

#include "vpostproc/postproc.hh"


class VideoPostprocessor_FramesPerSec : public VideoPostprocessor_Accumulate
{
public:
  VideoPostprocessor_FramesPerSec(int len=20,int period=10);
  ~VideoPostprocessor_FramesPerSec();

  void BeginPicture(const DecodedImageData*);
  void ShowMBRows(DecodedImageData*);
  void FinishedPicture();

  bool  NeedsPictureData(uint3 pictype) const;
  bool  NeedsMBData     (uint3 pictype) const;

private:
  int Draw(const char* text,int x0,int y0, DecodedImageData* dimg);

  struct timeval* dataval;
  int nDataval;
  int idx_in;
  int fps;

  int update_period;
  int update_cnt;
};

#endif