liveMedia/include/H264or5VideoStreamDiscreteFramer.hh

/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)

This library 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 Lesser General Public License for
more details.

You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
**********/
// "liveMedia"
// Copyright (c) 1996-2020 Live Networks, Inc.  All rights reserved.
// A simplified version of "H264or5VideoStreamFramer" that takes only complete,
// discrete frames (rather than an arbitrary byte stream) as input.
// This avoids the parsing and data copying overhead of the full
// "H264or5VideoStreamFramer".
// C++ header

#ifndef _H264_OR_5_VIDEO_STREAM_DISCRETE_FRAMER_HH
#define _H264_OR_5_VIDEO_STREAM_DISCRETE_FRAMER_HH

#ifndef _H264_OR_5_VIDEO_STREAM_FRAMER_HH
#include "H264or5VideoStreamFramer.hh"
#endif

class H264or5VideoStreamDiscreteFramer: public H264or5VideoStreamFramer {
protected:
  H264or5VideoStreamDiscreteFramer(int hNumber, UsageEnvironment& env, FramedSource* inputSource,
				   Boolean includeStartCodeInOutput,
				   Boolean insertAccessUnitDelimiters);
      // we're an abstract base class
  virtual ~H264or5VideoStreamDiscreteFramer();

protected:
  // redefined virtual functions:
  virtual void doGetNextFrame();

protected:
  static void afterGettingFrame(void* clientData, unsigned frameSize,
                                unsigned numTruncatedBytes,
                                struct timeval presentationTime,
                                unsigned durationInMicroseconds);
  void afterGettingFrame1(unsigned frameSize,
                          unsigned numTruncatedBytes,
                          struct timeval presentationTime,
                          unsigned durationInMicroseconds);

  virtual Boolean nalUnitEndsAccessUnit(u_int8_t nal_unit_type);
};

#endif