H264VideoRTPSource.hh

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/**********
This library is free software; you can redistribute it and/or modify it under
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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.
 
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// "liveMedia"
// Copyright (c) 1996-2024 Live Networks, Inc.  All rights reserved.
// H.264 Video RTP Sources
// C++ header
 
#ifndef _H264_VIDEO_RTP_SOURCE_HH
#define _H264_VIDEO_RTP_SOURCE_HH
 
#ifndef _MULTI_FRAMED_RTP_SOURCE_HH
#include "MultiFramedRTPSource.hh"
#endif
 
class H264VideoRTPSource: public MultiFramedRTPSource {
public:
  static H264VideoRTPSource*
  createNew(UsageEnvironment& env, Groupsock* RTPgs,
            unsigned char rtpPayloadFormat,
            unsigned rtpTimestampFrequency = 90000);
 
protected:
  H264VideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
                         unsigned char rtpPayloadFormat,
                         unsigned rtpTimestampFrequency);
      // called only by createNew()
 
  virtual ~H264VideoRTPSource();
 
protected:
  // redefined virtual functions:
  virtual Boolean processSpecialHeader(BufferedPacket* packet,
                                       unsigned& resultSpecialHeaderSize);
  virtual char const* MIMEtype() const;
 
private:
  friend class H264BufferedPacket;
  unsigned char fCurPacketNALUnitType;
};
 
class SPropRecord {
public:
  ~SPropRecord() { delete[] sPropBytes; }
 
  unsigned sPropLength; // in bytes
  unsigned char* sPropBytes;
};
 
SPropRecord* parseSPropParameterSets(char const* sPropParameterSetsStr,
                                     // result parameter:
                                     unsigned& numSPropRecords);
    // Returns the binary value of each 'parameter set' specified in a
    // "sprop-parameter-sets" string (in the SDP description for a H.264/RTP stream).
    // The value is returned as an array (length "numSPropRecords") of "SPropRecord"s.
    // This array is dynamically allocated by this routine, and must be delete[]d by the caller.
 
#endif