public TrackRepresentation(MpdAdaptationSet adaptationSet, MpdRepresentation representation)
{
this.adaptationSet = adaptationSet;
this.representation = representation;
initFragmentPath = new Lazy <string>(GetInitFragmentPath);
fragmentsPaths = new Lazy <IEnumerable <string> >(GetFragmentsPaths);
}
private Task <string> DownloadRepresentationInitFragment(MpdAdaptationSet adaptationSet, MpdRepresentation representation)
{
string initUrl = adaptationSet.SegmentTemplate.Initialization
.Replace("$RepresentationID$", representation.Id);
var task = DownloadFragment(initUrl);
task.Wait(TimeSpan.FromMinutes(5));
return(task);
}
private Task <string> DownloadRepresentationFragment(MpdAdaptationSet adaptationSet, MpdRepresentation representation, int index)
{
string fragmentUrl = adaptationSet.SegmentTemplate.Media
.Replace("$RepresentationID$", representation.Id)
.Replace("$Number$", index.ToString());
var task = DownloadFragment(fragmentUrl);
task.Wait(TimeSpan.FromMinutes(5));
return(task);
}
private void DownloadFragmentsUntilFirstFailure(MpdAdaptationSet adaptationSet, MpdRepresentation representation)
{
var task = DownloadRepresentationInitFragment(adaptationSet, representation);
if (DownloadTaskSucceded(task))
{
int i = 1;
do
{
task = DownloadRepresentationFragment(adaptationSet, representation, i);
i++;
}while (DownloadTaskSucceded(task));
}
}
private Task DownloadAllFragments(MpdAdaptationSet adaptationSet, MpdRepresentation representation)
{
return(Task.Factory.StartNew(() => DownloadFragmentsUntilFirstFailure(adaptationSet, representation)));
}
public Track(MpdAdaptationSet adaptationSet)
{
this.adaptationSet = adaptationSet;
trackRepresentations = new Lazy <IEnumerable <TrackRepresentation> >(GetTrackRepresentations);
}