Split out jitter timer to be one per metadata, clear out jitter data when clearing as well

lib/dtsc.cpp

@@ -2278,16 +2278,7 @@ namespace DTSC{
            pack.getFlag("keyframe"), pack.getDataLen());
   }
 
-  /// Helper class that calculates inter-packet jitter
-  class jitterTimer{
-  public:
-    uint64_t trueTime[8]; // Array of bootMS-based measurement points
-    uint64_t packTime[8]; // Array of corresponding packet times
-    uint64_t curJitter;   // Maximum jitter measurement in past 10 seconds
-    unsigned int x;       // Current indice within above two arrays
-    uint64_t maxJitter;   // Highest jitter ever observed by this jitterTimer
-    uint64_t lastTime;    // Last packet used for a measurement point
-    jitterTimer(){
+  jitterTimer::jitterTimer(){
     for (int i = 0; i < 8; ++i){
       trueTime[i] = 0;
       packTime[i] = 0;
@@ -2296,7 +2287,8 @@ namespace DTSC{
     lastTime = 0;
     x = 0;
   }
-    uint64_t addPack(uint64_t t){
+
+  uint64_t jitterTimer::addPack(uint64_t t){
     if (veryUglyJitterOverride){return veryUglyJitterOverride;}
     uint64_t curMs = Util::bootMS();
     if (!x){
@@ -2348,14 +2340,12 @@ namespace DTSC{
     }
     return maxJitter;
   }
-  };
 
   /// Updates the metadata given the packet's properties.
   void Meta::update(uint64_t packTime, int64_t packOffset, uint32_t packTrack, uint64_t packDataSize,
                     uint64_t packBytePos, bool isKeyframe, uint64_t packSendSize){
     ///\todo warning Re-Implement Ivec
     if (getLive()){
-      static std::map<size_t, jitterTimer> theJitters;
       setMinKeepAway(packTrack, theJitters[packTrack].addPack(packTime));
     }
 
@@ -2548,6 +2538,7 @@ namespace DTSC{
   /// Wipes internal structures, also marking as outdated and deleting memory structures if in
   /// master mode.
   void Meta::clear(){
+    theJitters.clear();
     if (isMemBuf){
       isMemBuf = false;
       free(streamMemBuf);

lib/dtsc.h

@@ -268,6 +268,19 @@ namespace DTSC{
     Util::RelAccXFieldData fragmentSizeField;
   };
 
+
+  class jitterTimer{
+  public:
+    uint64_t trueTime[8]; // Array of bootMS-based measurement points
+    uint64_t packTime[8]; // Array of corresponding packet times
+    uint64_t curJitter;   // Maximum jitter measurement in past 10 seconds
+    unsigned int x;       // Current indice within above two arrays
+    uint64_t maxJitter;   // Highest jitter ever observed by this jitterTimer
+    uint64_t lastTime;    // Last packet used for a measurement point
+    jitterTimer();
+    uint64_t addPack(uint64_t t);
+  };
+
   class Meta{
   public:
     Meta(const std::string &_streamName, const DTSC::Scan &src);
@@ -499,6 +512,7 @@ namespace DTSC{
     std::map<size_t, size_t> sizeMemBuf;
 
   private:
+    std::map<size_t, jitterTimer> theJitters;
     // Internal buffers so we don't always need to search for everything
     Util::RelAccXFieldData streamVodField;
     Util::RelAccXFieldData streamLiveField;