JPEGVideoRTPSource.hh

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/**********
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
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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
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**********/
// "liveMedia"
// Copyright (c) 1996-2022 Live Networks, Inc.  All rights reserved.
// JPEG Video (RFC 2435) RTP Sources
// C++ header
 
#ifndef _JPEG_VIDEO_RTP_SOURCE_HH
#define _JPEG_VIDEO_RTP_SOURCE_HH
 
#ifndef _MULTI_FRAMED_RTP_SOURCE_HH
#include "MultiFramedRTPSource.hh"
#endif
 
#define MAX_JPEG_HEADER_SIZE 1024
 
class JPEGVideoRTPSource: public MultiFramedRTPSource {
public:
  static JPEGVideoRTPSource*
  createNew(UsageEnvironment& env, Groupsock* RTPgs,
            unsigned char rtpPayloadFormat = 26,
            unsigned rtpPayloadFrequency = 90000,
            unsigned defaultWidth = 0, unsigned defaultHeight = 0);
 
protected:
  virtual ~JPEGVideoRTPSource();
 
private:
  JPEGVideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
                     unsigned char rtpPayloadFormat,
                     unsigned rtpTimestampFrequency,
                     unsigned defaultWidth, unsigned defaultHeight);
      // called only by createNew()
 
  // Image dimensions from the SDP description, if any
  unsigned fDefaultWidth, fDefaultHeight;
 
private:
  // redefined virtual functions:
  virtual Boolean processSpecialHeader(BufferedPacket* packet,
                                       unsigned& resultSpecialHeaderSize);
 
  virtual char const* MIMEtype() const;
};
 
#endif