How to use us.ihmc.codecs.demuxer

  private static long getFrame(long endPTS, MP4VideoDemuxer demuxer) throws IOException
  {
   demuxer.seekToPTS(endPTS);
   long endFrame = demuxer.getCurrentFrame();
   return endFrame;
  }
}

@Override
public void finalize()
{
 delete();
}

public void close()
{
 leftEyeDemuxer.delete();
 rightEyeDemuxer.delete();
}

private static int getFrameRate(MP4VideoDemuxer demuxer) throws IOException
{
 demuxer.seekToFrame(0);
 long startPts = demuxer.getCurrentPTS();
 demuxer.seekToFrame(1);
 long endPts = demuxer.getCurrentPTS();      
 
 double step = endPts - startPts;
 int rate = (int)Math.round((double)demuxer.getTimescale() / step);
 
 System.out.println("Framerate is " + rate);
 return rate;
 }

private void openleftEyeVideoFile()
{
 try
 {
   leftEyeDemuxer = new MP4VideoDemuxer(new File(leftEyeFilename));
 }
 catch (IOException e)
 {
   throw new RuntimeException(e);
 }
}

/**
* Seek to time(s). Next call to nextFrame will return frame at given time.
* 
* @throws IOException Cannot decode intraframes
*/
public void seek(double seconds) throws IOException
{
 videoTrack.seek(seconds);
 decodeLeadingFrames();
}

/**
* Delete native resources held by the demuxer
*/
public void delete()
{
 demuxerHelper.delete();
}

/**
* Get the AvcCBox for H264 videos
* 
* Throws runtime exception for other formats
* 
* @return AvcCBox
*/
public AvcCBox getAvcCBox()
{
 return demuxerHelper.getAvcCBox();
}

private static int getFrameRate(MP4VideoDemuxer demuxer) throws IOException
{
 demuxer.seekToFrame(0);
 long startPts = demuxer.getCurrentPTS();
 demuxer.seekToFrame(1);
 long endPts = demuxer.getCurrentPTS();      
 
 double step = endPts - startPts;
 int rate = (int)Math.round((double)demuxer.getTimescale() / step);
 
 System.out.println("Framerate is " + rate);
 return rate;
 }

  private static long getFrame(long endPTS, MP4VideoDemuxer demuxer) throws IOException
  {
   demuxer.seekToPTS(endPTS);
   long endFrame = demuxer.getCurrentFrame();
   return endFrame;
  }
}

private void openRightEyeVideoFile()
{
 try
 {
   rightEyeDemuxer = new MP4VideoDemuxer(new File(rightEyeFilename));
 }
 catch (IOException e)
 {
   throw new RuntimeException(e);
 }
}

public void close()
{
 demuxer.delete();
}

/** 
* Seek to PTS. Next call to nextFrame will return frame at given PTS
* 
* @throws IOException Cannot decode intraframes
*/
public void seekToPTS(long pts) throws IOException
{
 videoTrack.seek(pts);
 decodeLeadingFrames();
}

@Override
public void finalize()
{
 delete();
}

/**
* Delete native resources held by the demuxer
*/
public void delete()
{
 demuxerHelper.delete();
}

private static int getFrameRate(MP4VideoDemuxer demuxer) throws IOException
{
 demuxer.seekToFrame(0);
 long startPts = demuxer.getCurrentPTS();
 demuxer.seekToFrame(1);
 long endPts = demuxer.getCurrentPTS();      
 
 double step = endPts - startPts;
 int rate = (int)Math.round((double)demuxer.getTimescale() / step);
 
 System.out.println("Framerate is " + rate);
 return rate;
 }

  private static long getFrame(long endPTS, MP4VideoDemuxer demuxer) throws IOException
  {
   demuxer.seekToPTS(endPTS);
   long endFrame = demuxer.getCurrentFrame();
   return endFrame;
  }
}

/**
* Seek to time(s). Next call to nextFrame will return frame at given time.
* 
* @throws IOException Cannot decode intraframes
*/
public void seek(double seconds) throws IOException
{
 videoTrack.seek(seconds);
 decodeLeadingFrames();
}

/** 
* Seek to PTS. Next call to nextFrame will return frame at given PTS
* 
* @throws IOException Cannot decode intraframes
*/
public void seekToPTS(long pts) throws IOException
{
 videoTrack.seek(pts);
 decodeLeadingFrames();
}

/**
* Seek to frame. Next call to nextFrame will return frameNo
* 
* @throws IOException Cannot decode intraframes
*/
public void seekToFrame(long frameNo) throws IOException
{
 if(!videoTrack.gotoFrame(frameNo))
 {
   throw new IOException("Invalid frame no: " + frameNo);
 }
 decodeLeadingFrames();
}