demux: dash: fix debug overloading

modules/demux/adaptive/playlist/BasePlaylist.hpp

@@ -49,7 +49,7 @@ namespace adaptive
                 void                            setMaxBuffering( vlc_tick_t );
                 vlc_tick_t                      getMinBuffering() const;
                 vlc_tick_t                      getMaxBuffering() const;
-                void                            debug() const;
+                virtual void                    debug() const;
 
                 void    addPeriod               (BasePeriod *period);
                 void    addBaseUrl              (const std::string &);

modules/demux/dash/mpd/MPD.cpp

@@ -76,7 +76,7 @@ Profile MPD::getProfile() const
     return profile;
 }
 
-void MPD::debug()
+void MPD::debug() const
 {
     msg_Dbg(p_object, "MPD profile=%s mediaPresentationDuration=%" PRId64
             " minBufferTime=%" PRId64,
@@ -85,7 +85,5 @@ void MPD::debug()
             minBufferTime);
     msg_Dbg(p_object, "BaseUrl=%s", getUrlSegment().toString().c_str());
 
-    std::vector<BasePeriod *>::const_iterator i;
-    for(i = periods.begin(); i != periods.end(); ++i)
-        (*i)->debug(VLC_OBJECT(p_object));
+    BasePlaylist::debug();
 }

modules/demux/dash/mpd/MPD.h

@@ -50,7 +50,7 @@ namespace dash
                 virtual bool                    isLive() const override;
                 virtual bool                    isLowLatency() const override;
                 void                            setLowLatency(bool);
-                virtual void                    debug();
+                virtual void                    debug() const override;
 
                 Property<ProgramInformation *>      programInfo;