internal void Add(YoutubeVideoFormat item)
{
if (this.itemList.ContainsKey(item))
{
throw new ArgumentException("Item has already been added.", nameof(item));
}
// this.itemList.Add
if (this.Content is WrapPanel wrapPanel)
{
YoutubeVideoFormatViewModel viewmodel = new YoutubeVideoFormatViewModel(item.FormatID);
this.itemList.Add(item, viewmodel);
wrapPanel.Children.Add(viewmodel);
}
}
// Extracts Youtube video formats available.
public YoutubeVideoFormat[] ExtractFormats()
{
var streamMap = ExtractStreamMap();
var adpStreamMap = ExtractAdaptiveStreamMap();
// Combine StreamMap and AdaptiveStreamMap into a single string then
// split it into queries.
var finalMap = streamMap + "," + adpStreamMap;
var queries = finalMap.Split(',');
var vidFmts = new YoutubeVideoFormat[queries.Length];
for (int i = 0; i < queries.Length; i++)
{
var queryParams = Utils.ParseQuery(queries[i]);
if (!queryParams.Contains("url"))
{
continue; //throw new ExtractionException("Query does not contain parameter 'url'.");
}
var url = Uri.UnescapeDataString((string)queryParams["url"]);
var itag = -1;
if (queryParams.Contains("itag"))
{
itag = int.Parse((string)queryParams["itag"]);
}
var format = new YoutubeVideoFormat(itag)
{
_videoUrl = new Uri(url)
};
vidFmts[i] = format;
}
return(vidFmts);
}
internal void Remove(YoutubeVideoFormat item)
{
}
public YoutubeVideoFormatDataContext(YoutubeVideoFormat format)
{
this.Format = format;
}
public override int Compare(YoutubeVideoFormat left, YoutubeVideoFormat right) => base.Compare(right, left);
