demux: dash: add IsoTime helper

modules/stream_filter/dash/mpd/IsoffMainParser.cpp

@@ -65,11 +65,11 @@ void    IsoffMainParser::setMPDAttributes   ()
 
     it = attr.find("mediaPresentationDuration");
     if(it != attr.end())
-        this->mpd->setDuration(str_duration(it->second.c_str()));
+        this->mpd->setDuration(IsoTime(it->second));
 
     it = attr.find("minBufferTime");
     if(it != attr.end())
-        this->mpd->setMinBufferTime(str_duration( it->second.c_str()));
+        this->mpd->setMinBufferTime(IsoTime(it->second));
 
     it = attr.find("type");
     if(it != attr.end())
@@ -344,3 +344,13 @@ void    IsoffMainParser::print              ()
         }
     }
 }
+
+IsoTime::IsoTime(const std::string &str)
+{
+    time = str_duration(str.c_str());
+}
+
+IsoTime::operator mtime_t () const
+{
+    return time;
+}

modules/stream_filter/dash/mpd/IsoffMainParser.h

@@ -60,6 +60,16 @@ namespace dash
                 size_t  parseSegmentList    (dash::xml::Node *, SegmentInformation *);
                 size_t  parseSegmentTemplate(dash::xml::Node *, SegmentInformation *);
         };
+
+        class IsoTime
+        {
+            public:
+                IsoTime(const std::string&);
+                operator mtime_t() const;
+
+            private:
+                mtime_t time;
+        };
     }
 }