demux: adaptative: add missing adaptationSet by ID

modules/demux/adaptative/playlist/BasePeriod.cpp

@@ -82,6 +82,17 @@ void BasePeriod::addAdaptationSet(BaseAdaptationSet *adaptationSet)
     }
 }
 
+BaseAdaptationSet *BasePeriod::getAdaptationSetByID(const ID &id)
+{
+    std::vector<BaseAdaptationSet*>::const_iterator it;
+    for(it = adaptationSets.begin(); it!= adaptationSets.end(); ++it)
+    {
+        if( (*it)->getID() == id )
+            return *it;
+    }
+    return NULL;
+}
+
 BaseAdaptationSet * BasePeriod::getAdaptationSet(adaptative::StreamType type) const
 {
     std::vector<BaseAdaptationSet *>::const_iterator it;

modules/demux/adaptative/playlist/BasePeriod.h

@@ -43,6 +43,7 @@ namespace adaptative
 
                 const std::vector<BaseAdaptationSet *>& getAdaptationSets   () const;
                 const std::vector<BaseAdaptationSet *>  getAdaptationSets   (StreamType) const;
+                BaseAdaptationSet *                 getAdaptationSetByID(const ID &);
                 BaseAdaptationSet *                 getAdaptationSet    (StreamType) const;
                 void                                addAdaptationSet    (BaseAdaptationSet *AdaptationSet);
                 void                                debug               (vlc_object_t *,int = 0) const;