liveMedia/include/H263plusVideoStreamFramer.hh

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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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// "liveMedia"
// Copyright (c) 1996-2012 Live Networks, Inc.  All rights reserved.
// A filter that breaks up an H263 video elementary stream into frames.
// Author Benhard Feiten

#ifndef _H263PLUS_VIDEO_STREAM_FRAMER_HH
#define _H263PLUS_VIDEO_STREAM_FRAMER_HH

#ifndef _FRAMED_FILTER_HH
#include "FramedFilter.hh"
#endif


class H263plusVideoStreamFramer: public FramedFilter {
public:

  static H263plusVideoStreamFramer* createNew(UsageEnvironment& env, FramedSource* inputSource);

  Boolean& pictureEndMarker() { return fPictureEndMarker; }    // a hack for implementing the RTP 'M' bit

protected:
  // Constructor called only by createNew(), or by subclass constructors
  H263plusVideoStreamFramer(UsageEnvironment& env,
                                        FramedSource* inputSource,
                                        Boolean createParser = True);
  virtual ~H263plusVideoStreamFramer();


public:
  static void continueReadProcessing(void* clientData,
                                     unsigned char* ptr, unsigned size,
                                     struct timeval presentationTime);
  void continueReadProcessing();

private:
  virtual void doGetNextFrame();
  virtual Boolean isH263plusVideoStreamFramer() const;

protected:
  double   fFrameRate;
  unsigned fPictureCount; // hack used to implement doGetNextFrame() ??
  Boolean  fPictureEndMarker;

private:
  class H263plusVideoStreamParser* fParser;
  struct timeval fPresentationTimeBase;
};

#endif

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