Added minKeepAway support to DTSC::Track object, senders and parsers

lib/dtsc.h

@@ -297,6 +297,7 @@ namespace DTSC {
       std::string codec;
       std::string type;
       std::string lang;///< ISO 639-2 Language of track, empty or und if unknown.
+      uint32_t minKeepAway;///<Time in MS to never seek closer than live point to
       //audio only
       int rate;
       int size;

lib/dtscmeta.cpp

@@ -1105,6 +1105,7 @@ namespace DTSC {
     width = 0;
     height = 0;
     fpks = 0;
+    minKeepAway = 0;
   }
 
   ///\brief Constructs a track from a JSON::Value
@@ -1148,6 +1149,11 @@ namespace DTSC {
         keySizes.push_back((((long unsigned)tmp[i]) << 24) | (((long unsigned)tmp[i+1]) << 16) | (((long unsigned int)tmp[i+2]) << 8) | tmp[i+3]);
       }
     }
+    if (trackRef.isMember("keepaway") && trackRef["keepaway"].isInt()){
+      minKeepAway = trackRef["keepaway"].asInt();
+    }else{
+      minKeepAway = 0;
+    }
   }
 
   ///\brief Constructs a track from a JSON::Value
@@ -1199,6 +1205,11 @@ namespace DTSC {
         keySizes.push_back((((long unsigned)tmp[i]) << 24) | (((long unsigned)tmp[i+1]) << 16) | (((long unsigned int)tmp[i+2]) << 8) | tmp[i+3]);
       }
     }
+    if (trackRef.getMember("keepaway").getType() == DTSC_INT){
+      minKeepAway = trackRef.getMember("keepaway").asInt();
+    }else{
+      minKeepAway = 0;
+    }
   }
 
   ///\brief Updates a track and its metadata given new packet properties.
@@ -1641,6 +1652,9 @@ namespace DTSC {
     if (!skipDynamic && missedFrags) {
       result += 23;
     }
+    if (minKeepAway){
+      result += 19;
+    }
     return result;
   }
 
@@ -1736,6 +1750,10 @@ namespace DTSC {
       writePointer(p, "\000\004fpks\001", 7);
       writePointer(p, convertLongLong(fpks), 8);
     }
+    if (minKeepAway){
+      writePointer(p, "\000\010keepaway\001", 11);
+      writePointer(p, convertLongLong(minKeepAway), 8);
+    }
     writePointer(p, "\000\000\356", 3);//End this track Object
   }
 
@@ -1813,6 +1831,10 @@ namespace DTSC {
       conn.SendNow("\000\004fpks\001", 7);
       conn.SendNow(convertLongLong(fpks), 8);
     }
+    if (minKeepAway){
+      conn.SendNow("\000\010keepaway\001", 11);
+      conn.SendNow(convertLongLong(minKeepAway), 8);
+    }
     conn.SendNow("\000\000\356", 3);//End this track Object
   }
 
@@ -1965,6 +1987,11 @@ namespace DTSC {
       result["height"] = height;
       result["fpks"] = fpks;
     }
+
+    if(minKeepAway){
+      result["keepaway"] = minKeepAway;
+    }
+
     return result;
   }