Added support for local variables in MistIn processes, stored in the DTSH header.

lib/dtsc.h

@@ -394,6 +394,7 @@ namespace DTSC {
       long long int bufferWindow;
       int64_t bootMsOffset;///< Millis to add to packet timestamps to get millis since system boot.
       std::string sourceURI;
+      JSON::Value inputLocalVars;
   };
 
   /// An iterator helper for easily iterating over the parts in a Fragment.

lib/dtscmeta.cpp

@@ -1491,6 +1491,9 @@ namespace DTSC {
     moreheader = source.getInt("moreheader");
     bootMsOffset = source.getInt("bootoffset");
     source.getString("source", sourceURI);
+    if (source.getScan().hasMember("inputlocalvars")){
+      inputLocalVars = source.getScan().getMember("inputlocalvars").asJSON();
+    }
     Scan tmpTracks = source.getScan().getMember("tracks");
     unsigned int num = 0;
     Scan tmpTrack;
@@ -2168,6 +2171,9 @@ namespace DTSC {
       result["source"] = sourceURI;
     }
     result["moreheader"] = moreheader;
+    if (inputLocalVars){
+      result["inputlocalvars"] = inputLocalVars;
+    }
     return result;
   }