demux: adaptative: add setPosition by segment number

modules/demux/adaptative/SegmentTracker.cpp

@@ -133,14 +133,21 @@ SegmentChunk * SegmentTracker::getNextChunk(bool switch_allowed)
     return chunk;
 }
 
-bool SegmentTracker::setPosition(mtime_t time, bool restarted, bool tryonly)
+bool SegmentTracker::setPositionByTime(mtime_t time, bool restarted, bool tryonly)
 {
     uint64_t segnumber;
     if(prevRepresentation &&
        prevRepresentation->getSegmentNumberByTime(time, &segnumber))
     {
         if(!tryonly)
-        {
+            setPositionByNumber(segnumber, restarted);
+        return true;
+    }
+    return false;
+}
+
+void SegmentTracker::setPositionByNumber(uint64_t segnumber, bool restarted)
+{
     if(restarted)
     {
         initializing = true;
@@ -149,10 +156,6 @@ bool SegmentTracker::setPosition(mtime_t time, bool restarted, bool tryonly)
     }
     count = segnumber;
     sequence_set = true;
-        }
-        return true;
-    }
-    return false;
 }
 
 mtime_t SegmentTracker::getSegmentStart() const

modules/demux/adaptative/Streams.cpp

@@ -287,7 +287,7 @@ bool Stream::setPosition(mtime_t time, bool tryonly)
     if(!output)
         return false;
 
-    bool ret = segmentTracker->setPosition(time, output->reinitsOnSeek(), tryonly);
+    bool ret = segmentTracker->setPositionByTime(time, output->reinitsOnSeek(), tryonly);
     if(!tryonly && ret)
     {
         output->setPosition(time);