Resolve "Add time_tolerance field in Frame and remove PackKeyFrame"

Closes #420 (closed)

include/core/processor/processor_base.h

@@ -159,7 +159,7 @@ public:
     * Check if the time distance between two time stamps is smaller than
     * the time tolerance.
     */
-    static bool simpleCheckTimeTolerance(const TimeStamp& _time_stamp1, const TimeStamp& _time_stamp2, const double& _time_tolerance);
+    static bool checkTimeTolerance(const TimeStamp& _time_stamp1, const TimeStamp& _time_stamp2, const double& _time_tolerance);
 
     /**\brief Check time tolerance
     *
@@ -449,13 +449,13 @@ typename Buffer<T>::Iterator Buffer<T>::selectIterator(const TimeStamp& _time_st
     bool prev_exists = (post != container_.begin());
     bool post_exists = (post != container_.end());
 
-    bool post_ok = post_exists && simpleCheckTimeTolerance(post->first, _time_stamp, _time_tolerance);
+    bool post_ok = post_exists && checkTimeTolerance(post->first, _time_stamp, _time_tolerance);
 
     if (prev_exists)
     {
         Buffer<T>::Iterator prev = std::prev(post);
 
-        bool prev_ok = simpleCheckTimeTolerance(prev->first, _time_stamp, _time_tolerance);
+        bool prev_ok = checkTimeTolerance(prev->first, _time_stamp, _time_tolerance);
 
         if (prev_ok && !post_ok)
             return prev;
@@ -507,7 +507,7 @@ T Buffer<T>::selectFirstBefore(const TimeStamp& _time_stamp, const double& _time
          return container_.begin()->second;
 
     // Return first element if despite being newer, it is within the time tolerance
-    if (simpleCheckTimeTolerance(container_.begin()->first, _time_stamp, _time_tolerance))
+    if (checkTimeTolerance(container_.begin()->first, _time_stamp, _time_tolerance))
         return container_.begin()->second;
 
     // otherwise return nullptr (no element before the provided ts or within the tolerance was found)
@@ -528,7 +528,7 @@ T Buffer<T>::selectLastAfter(const TimeStamp& _time_stamp, const double& _time_t
          return container_.rbegin()->second;
 
     // Return last element if despite being older, it is within the time tolerance
-    if (simpleCheckTimeTolerance(container_.rbegin()->first, _time_stamp, _time_tolerance))
+    if (checkTimeTolerance(container_.rbegin()->first, _time_stamp, _time_tolerance))
         return container_.rbegin()->second;
 
     // otherwise return nullptr (no element after the provided ts or within the tolerance was found)
@@ -614,7 +614,7 @@ inline bool Buffer<T>::doubleCheckTimeTolerance(const TimeStamp& _time_stamp1,
 }
 
 template <typename T>
-inline bool Buffer<T>::simpleCheckTimeTolerance(const TimeStamp& _time_stamp1,
+inline bool Buffer<T>::checkTimeTolerance(const TimeStamp& _time_stamp1,
                                                 const TimeStamp& _time_stamp2,
                                                 const double& _time_tolerance)
 {