stream_filter: dash: simplify getBestRepresentation

modules/stream_filter/dash/mpd/IMPDManager.cpp

@@ -22,6 +22,7 @@
 #endif
 
 #include "IMPDManager.h"
+#include <limits>
 
 using namespace dash::mpd;
 
@@ -71,29 +72,7 @@ const MPD* IMPDManager::getMPD() const
 
 Representation* IMPDManager::getBestRepresentation(Period *period) const
 {
-    if (period == NULL)
-        return NULL;
-
-    std::vector<AdaptationSet *> adaptSet = period->getAdaptationSets();
-
-    uint64_t        bitrate  = 0;
-    Representation  *best    = NULL;
-
-    for(size_t i = 0; i < adaptSet.size(); i++)
-    {
-        std::vector<Representation *> reps = adaptSet.at(i)->getRepresentations();
-        for(size_t j = 0; j < reps.size(); j++)
-        {
-            uint64_t currentBitrate = reps.at(j)->getBandwidth();
-
-            if( currentBitrate > bitrate)
-            {
-                bitrate = currentBitrate;
-                best    = reps.at(j);
-            }
-        }
-    }
-    return best;
+    return getRepresentation(period, std::numeric_limits<uint64_t>::max());
 }
 
 Representation* IMPDManager::getRepresentation(Period *period, uint64_t bitrate ) const