liveMedia/include/H264VideoStreamFramer.hh

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/**********
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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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// "liveMedia"
// Copyright (c) 1996-2008 Live Networks, Inc.  All rights reserved.
// Any source that feeds into a "H264VideoRTPSink" must be of this class.
// This is a virtual base class; subclasses must implement the
// "currentNALUnitEndsAccessUnit()" virtual function.
// C++ header

#ifndef _H264_VIDEO_STREAM_FRAMER_HH
#define _H264_VIDEO_STREAM_FRAMER_HH

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

class H264VideoStreamFramer: public FramedFilter {
public:
  virtual Boolean currentNALUnitEndsAccessUnit() = 0;
  // subclasses must define this function.  It returns True iff the
  // most recently received NAL unit ends a video 'access unit' (i.e., 'frame')

protected:
  H264VideoStreamFramer(UsageEnvironment& env, FramedSource* inputSource);
  virtual ~H264VideoStreamFramer();

private:
  // redefined virtual functions:
  virtual Boolean isH264VideoStreamFramer() const;
};

#endif

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