The best and easy solution for solving this issue is pass your data from this function in controller.
$scope.trustSrcurl = function(data)
{
return $sce.trustAsResourceUrl(data);
}
In html page
<iframe class="youtube-player" type="text/html" width="640" height="385" ng-src="{{trustSrcurl(video.src)}}" allowfullscreen frameborder="0"></iframe>