popcornjs addtrackevent (v5)

Revision 5 of this benchmark created on

Preparation HTML

<script src="//popcornjs.org/code/dist/popcorn.js"></script>

<video id="subject" src="http://dl.dropbox.com/u/3531958/snowdriving.ogv"></video>
<script>
  Popcorn.addTrackEventAlt = function(obj, track) {
   if (track._natives) {
    //  Supports user defined track event id
    track._id = !track.id ? Popcorn.guid(track._natives.type) : track.id;
  
    //  Push track event ids into the history
    obj.data.history.push(track._id);
  
    track._natives.start = track._natives.start || Popcorn.nop;
    track._natives.end = track._natives.end || Popcorn.nop;
   }
  
   track.start = Popcorn.util.toSeconds(track.start, obj.options.framerate);
   track.end = Popcorn.util.toSeconds(track.end, obj.options.framerate);
  
   //console.log( obj.data.trackEvents.byStart );
   //  Store this definition in an array sorted by times
   //obj.data.trackEvents.byStart.push( track );
   //obj.data.trackEvents.byEnd.push( track );
   var byStart = obj.data.trackEvents.byStart,
       byEnd = obj.data.trackEvents.byEnd;
  
   for (var idx = byStart.length - 1; idx >= 0; idx--) {
    //console.log( track.start, byStart[ idx ].start );
    if (track.start >= byStart[idx].start) {
     obj.data.trackEvents.byStart.splice(idx + 1, 0, track);
     break;
    }
   }
  
   for (var idx = byEnd.length - 1; idx >= 0; idx--) {
    //console.log( track.start, byStart[ idx ].start );
    if (track.start >= byEnd[idx].start) {
     obj.data.trackEvents.byEnd.splice(idx + 1, 0, track);
     break;
    }
   }
  
  };
  
  Popcorn.prototype.execAlt = function(time, fn) {
  
   //  Creating a one second track event with an empty end
   Popcorn.addTrackEventAlt(this, {
    start: time,
    end: time + 1,
    _running: false,
    _natives: {
     start: fn || Popcorn.nop,
     end: Popcorn.nop,
     type: "exec"
    }
   });
  
   return this;
  };
  
  var $current = Popcorn("#subject")
  $alt = Popcorn("#subject");
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
current
$current.exec(1, Popcorn.nop);
ready
alt
$alt.execAlt(1, Popcorn.nop);
ready

Revisions

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