private string CombineFragments(MediaPresentationDescription mpd, string mpdFilePath, string outputFilePath)
{
var walker = new MpdWalker(mpd);
var track = walker.GetTracksFor(TrackContentType.Video).First();
var trackRepresentation = track.TrackRepresentations.OrderByDescending(r => r.Bandwidth).First();
using (var stream = File.OpenWrite(outputFilePath))
using (var writer = new BinaryWriter(stream))
{
string fragmentPath = Path.Combine(Path.GetDirectoryName(mpdFilePath), trackRepresentation.InitFragmentPath);
writer.Write(File.ReadAllBytes(fragmentPath));
foreach (var path in trackRepresentation.FragmentsPaths)
{
fragmentPath = Path.Combine(Path.GetDirectoryName(mpdFilePath), path);
if (!File.Exists(fragmentPath))
{
break;
}
writer.Write(File.ReadAllBytes(fragmentPath));
}
}
return(outputFilePath);
}
private MediaPresentationDescription DownloadMpd()
{
if (!Directory.Exists(destinationDir))
{
Directory.CreateDirectory(destinationDir);
}
else
{
Directory.GetFiles(destinationDir).ToList().ForEach(f => File.Delete(f));
}
return(MediaPresentationDescription.FromUrl(mpdUrl, mpdFileName.Value));
}
public MpdWalker(MediaPresentationDescription mpd)
{
this.mpd = mpd;
}
