stream_filter: dash: fix iteration on different lists

List was not returned by reference

modules/stream_filter/dash/mpd/AdaptationSet.cpp

@@ -58,7 +58,7 @@ void AdaptationSet::setSubsegmentAlignmentFlag(bool alignment)
     this->subsegmentAlignmentFlag = alignment;
 }
 
-std::vector<Representation*>    AdaptationSet::getRepresentations       ()
+std::vector<Representation*>&    AdaptationSet::getRepresentations       ()
 {
     return this->representations;
 }

modules/stream_filter/dash/mpd/AdaptationSet.h

@@ -46,7 +46,7 @@ namespace dash
 
                 bool                            getSubsegmentAlignmentFlag() const;
                 void                            setSubsegmentAlignmentFlag( bool alignment );
-                std::vector<Representation *>   getRepresentations      ();
+                std::vector<Representation *>&  getRepresentations      ();
                 const Representation*           getRepresentationById   ( const std::string &id ) const;
                 const SegmentInfoDefault*       getSegmentInfoDefault() const;
                 void                            setSegmentInfoDefault( const SegmentInfoDefault* seg );

modules/stream_filter/dash/mpd/IsoffMainParser.cpp

@@ -192,13 +192,17 @@ void    IsoffMainParser::print              ()
             {
                 msg_Dbg(p_stream, "  AdaptationSet");
                 std::vector<Representation *>::const_iterator k;
-                for(k = (*j)->getRepresentations().begin(); k != (*j)->getRepresentations().begin(); k++)
+                for(k = (*j)->getRepresentations().begin(); k != (*j)->getRepresentations().end(); k++)
                 {
                     msg_Dbg(p_stream, "   Representation");
                     msg_Dbg(p_stream, "    InitSeg url=%s", (*k)->getSegmentBase()->getInitSegment()->getSourceUrl().c_str());
+
+                    const SegmentList *segmentList = (*k)->getSegmentList();
+                    if (segmentList)
+                    {
                         std::vector<Segment *>::const_iterator l;
-                    for(l = (*k)->getSegmentList()->getSegments().begin();
-                        l < (*k)->getSegmentList()->getSegments().end(); l++)
+                        for(l = segmentList->getSegments().begin();
+                            l < segmentList->getSegments().end(); l++)
                         {
                             msg_Dbg(p_stream, "    Segment url=%s", (*l)->getSourceUrl().c_str());
                         }
@@ -206,4 +210,5 @@ void    IsoffMainParser::print              ()
                 }
             }
         }
+    }
 }