loop.js

angular.forEach(items, function(item, key) {
      if(item.attachments){
        angular.forEach(item.attachments, function(attachment, key) {
          if(attachment.type == 'video') {
            feed.getVideo(attachment.video.owner_id, attachment.video.owner_id+'_'+attachment.video.id).then(function(result){
              videos[item.id].player = result.data.response.items[0].player;
            });
          }
        }
      }
});