text: /**********
  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 2.1 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) 1996-2014 Live Networks, Inc.  All rights reserved.
  // H.263+ Video RTP Sources
  // C++ header
  
  #ifndef _H263_PLUS_VIDEO_RTP_SOURCE_HH
  #define _H263_PLUS_VIDEO_RTP_SOURCE_HH
  
  #ifndef _MULTI_FRAMED_RTP_SOURCE_HH
  #include "MultiFramedRTPSource.hh"
  #endif
  
  #define SPECIAL_HEADER_BUFFER_SIZE 1000
  
  class H263plusVideoRTPSource: public MultiFramedRTPSource {
  public:
    static H263plusVideoRTPSource*
    createNew(UsageEnvironment& env, Groupsock* RTPgs,
  	    unsigned char rtpPayloadFormat,
  	    unsigned rtpTimestampFrequency = 90000);
  
    // A data structure that stores copies of the special header bytes
    // from the most recent frame's RTP packets:
    unsigned char fNumSpecialHeaders;
    unsigned fSpecialHeaderBytesLength;
    unsigned char fSpecialHeaderBytes[SPECIAL_HEADER_BUFFER_SIZE];
    unsigned fPacketSizes[256];
  
  protected:
    virtual ~H263plusVideoRTPSource();
  
  private:
    H263plusVideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
  			 unsigned char rtpPayloadFormat,
  			 unsigned rtpTimestampFrequency);
        // called only by createNew()
  
  private:
    // redefined virtual functions:
    virtual Boolean processSpecialHeader(BufferedPacket* packet,
                                         unsigned& resultSpecialHeaderSize);
    virtual char const* MIMEtype() const;
  };
  
  #endif
  