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SDP.hpp

00001  /***********************************************************************
00002  *                                                                      *
00003  * ViTooKi                                                              *
00004  *                                                                      *
00005  * title:       SDP.hpp                                                       *
00006  *                                                                      *
00007  *                                                                      *
00008  *                                                                      *
00009  * ITEC institute of the University of Klagenfurt (Austria)             *
00010  * http://www.itec.uni-klu.ac.at                                        *
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00035 
00036  /***********************************************************************
00037  *                                                                      *
00038  *  REVISION HISTORY:                                                   *
00039  *                                                                      *
00040  *                                                                      *
00041  *                                                                      *
00042  ***********************************************************************/
00043 
00044 #ifndef PS_MPEG4ITEC_SDP
00045 #define PS_MPEG4ITEC_SDP
00046 class ContainerInfo;
00047 class TerminalCapabilities;
00048 struct rtx_group;
00049 
00050 #ifndef ISOMP4
00051 #include "global.hpp"
00052 #else
00053 #include "ISOMovies.h"
00054 #endif
00055 
00067 class SDP 
00068 {
00069 public:
00070   struct session {
00071     std::string name;
00072     std::string url;
00073     double nptStart;
00074     double nptEnd;
00075 
00076     session() {
00077       nptStart = 0.0;
00078       nptEnd = 0.0;             // means "end of media"
00079     }
00080   };
00081 
00083   SDP() {}
00084 
00086   ~SDP();
00087 
00103   bool parse(const char *sdp);
00104 
00111   const struct session *firstSession() const;
00112 
00117   // MultiSLStreamConfig &mslc replaced by
00118   // sizeLength + dtsDeltaLength
00119   static char *generate(ContainerInfo* stream,  bool perfectHit, const char *filename, const char *localAddr,
00120                         int SL_PAYLOAD_TYPE, int sizeLength,
00121                         int dtsDeltaLength, const TerminalCapabilities* tc=NULL,
00122                         bool includeRtxInfo=false,
00123                         std::list<rtx_group*>* groups=NULL);
00124 
00126   static void encodeDecoderConfig(u8 * dest, const u8 * source, u32 n);
00127 
00130   static void decodeDecoderConfig(u8 * dest, const u8 * source, u32 srcSize);
00131 
00132 private:
00134   void clear();
00135   list<struct session *> sessionList;
00136 };      
00137 
00138 #endif
00139 
00140