private async Task LoadPage()
{
progressRing.IsActive = true;
try
{
mainVideo = await MyToolkit.Multimedia.YouTube.GetVideoUriAsync(video.Id, selectedQuality);
mediaPlayer.Source = mainVideo.Uri;
mediaPlayer.Play();
progressRing.IsActive = false;
}
catch (Exception ex)
{
if (ex.HResult == -2146233088)
{
MessageDialog m = new MessageDialog("Quality Not Supported, try something else", "WinBeta Videos Error");
await m.ShowAsync();
} else
{
MessageDialog m = new MessageDialog("Could play video: " + ex.Message, "WinBeta Videos Error");
await m.ShowAsync();
}
progressRing.IsActive = false;
}
}
public void PlaySong(YouTubeUri videoUri)
{
videoPlayer.Ctlcontrols.stop();
if (videoUri != null)
{
//myVlcControl.Play(videoUri.Uri);
PlayVideo(videoUri.Uri.AbsoluteUri);
}
}
/// <summary>Returns all available URIs (audio-only and video) for the given YouTube ID. </summary>
/// <returns>The <see cref="YouTubeUri"/>s of the video. </returns>
/// <exception cref="WebException">An error occurred while downloading the resource. </exception>
public static async Task <YouTubeUri[]> GetUrisAsync(string youTubeId, CancellationToken token)
{
var Urls = new List <YouTubeUri>();
string javaScriptCode = null;
var response = await HttpGetAsync("https://www.youtube.com/watch?v=" + youTubeId + "&nomobile=1");
var match = Regex.Match(response, "url_encoded_fmt_stream_map\": ?\"(.*?)\"");
var data = Uri.UnescapeDataString(match.Groups[1].Value);
match = Regex.Match(response, "adaptive_fmts\": ?\"(.*?)\"");
var data2 = Uri.UnescapeDataString(match.Groups[1].Value);
var arr = Regex.Split(data + "," + data2, ",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)"); // split by comma but outside quotes
foreach (var d in arr)
{
var url = "";
var signature = "";
var tuple = new YouTubeUri();
foreach (var p in d.Replace("\\u0026", "\t").Split('\t'))
{
var index = p.IndexOf('=');
if (index != -1 && index < p.Length)
{
try
{
var key = p.Substring(0, index);
var value = Uri.UnescapeDataString(p.Substring(index + 1));
if (key == "url")
{
url = value;
}
else if (key == "itag")
{
tuple.Itag = int.Parse(value);
}
else if (key == "type" && (value.Contains("video/mp4") || value.Contains("audio/mp4")))
{
tuple.Type = value;
}
else if (key == "sig")
{
signature = value;
}
else if (key == "s")
{
if (javaScriptCode == null)
{
string javaScriptUri;
var urlMatch = Regex.Match(response, "\"\\\\/\\\\/s.ytimg.com\\\\/yts\\\\/jsbin\\\\/html5player-(.+?)\\.js\"");
if (urlMatch.Success)
{
javaScriptUri = "http://s.ytimg.com/yts/jsbin/html5player-" + urlMatch.Groups[1] + ".js";
}
else
{
// new format
javaScriptUri = "https://s.ytimg.com/yts/jsbin/player-" +
Regex.Match(response, "\"\\\\/\\\\/s.ytimg.com\\\\/yts\\\\/jsbin\\\\/player-(.+?)\\.js\"").Groups[1] + ".js";
}
javaScriptCode = await HttpGetAsync(javaScriptUri);
}
signature = YouTubeDecipherer.Decipher(value, javaScriptCode);
}
}
catch (Exception exception)
{
Debug.WriteLine("YouTube parse exception: " + exception.Message);
}
}
}
if (!string.IsNullOrEmpty(url))
{
if (url.Contains("&signature=") || url.Contains("?signature="))
{
tuple.Uri = new Uri(url, UriKind.Absolute);
}
else
{
tuple.Uri = new Uri(url + "&signature=" + signature, UriKind.Absolute);
}
if (tuple.IsValid)
{
Urls.Add(tuple);
}
}
}
return(Urls.ToArray());
}
/// <summary>Returns all available URIs (audio-only and video) for the given YouTube ID. </summary>
/// <returns>The <see cref="YouTubeUri"/>s of the video. </returns>
/// <exception cref="WebException">An error occurred while downloading the resource. </exception>
public static async Task<YouTubeUri[]> GetUrisAsync(string youTubeId, CancellationToken token)
{
var urls = new List<YouTubeUri>();
string javaScriptCode = null;
var response = await HttpGetAsync("https://www.youtube.com/watch?v=" + youTubeId + "&nomobile=1");
var match = Regex.Match(response, "url_encoded_fmt_stream_map\": ?\"(.*?)\"");
var data = Uri.UnescapeDataString(match.Groups[1].Value);
match = Regex.Match(response, "adaptive_fmts\": ?\"(.*?)\"");
var data2 = Uri.UnescapeDataString(match.Groups[1].Value);
var arr = Regex.Split(data + "," + data2, ",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)"); // split by comma but outside quotes
foreach (var d in arr)
{
var url = "";
var signature = "";
var tuple = new YouTubeUri();
foreach (var p in d.Replace("\\u0026", "\t").Split('\t'))
{
var index = p.IndexOf('=');
if (index != -1 && index < p.Length)
{
try
{
var key = p.Substring(0, index);
var value = Uri.UnescapeDataString(p.Substring(index + 1));
if (key == "url")
url = value;
else if (key == "itag")
tuple.Itag = int.Parse(value);
else if (key == "type" && (value.Contains("video/mp4") || value.Contains("audio/mp4")))
tuple.Type = value;
else if (key == "sig")
signature = value;
else if (key == "s")
{
if (javaScriptCode == null)
{
var javaScriptUri = "http://s.ytimg.com/yts/jsbin/html5player-" +
Regex.Match(response, "\"\\\\/\\\\/s.ytimg.com\\\\/yts\\\\/jsbin\\\\/html5player-(.+?)\\.js\"").Groups[1] + ".js";
javaScriptCode = await HttpGetAsync(javaScriptUri);
}
signature = GenerateSignature(value, javaScriptCode);
}
}
catch (Exception exception)
{
Debug.WriteLine("YouTube parse exception: " + exception.Message);
}
}
}
if (url.Contains("&signature=") || url.Contains("?signature="))
tuple.Uri = new Uri(url, UriKind.Absolute);
else
tuple.Uri = new Uri(url + "&signature=" + signature, UriKind.Absolute);
if (tuple.IsValid)
urls.Add(tuple);
}
return urls.ToArray();
}
private static void OnHtmlDownloaded(HttpResponse response, YouTubeQuality quality, Action<YouTubeUri, Exception> completed)
{
if (response.Successful)
{
var urls = new List<YouTubeUri>();
try
{
//Debug.WriteLine("match = " + response.Response.ToString());
//var match = Regex.Match(response.Response, "url_encoded_fmt_stream_map=(.*?)(&|\")");
//var data = Uri.UnescapeDataString(match.Groups[1].Value);
var match = Regex.Match(response.Response, @"url_encoded_fmt_stream_map\"":(.*)\""");
String a = match.Groups[1].Value;
var data = a.Replace("\\u0026", "&");
var arr = data.Split(',');
foreach (var d in arr)
{
var url = "";
var signature = "";
var tuple = new YouTubeUri();
foreach (var p in d.Split('&'))
{
var index = p.IndexOf('=');
if (index != -1 && index < p.Length)
{
try
{
var key = p.Substring(0, index);
var value = Uri.UnescapeDataString(p.Substring(index + 1));
if (key == "url")
url = value;
else if (key == "itag")
tuple.Itag = int.Parse(value);
else if (key == "type" && value.Contains("video/mp4"))
tuple.Type = value;
else if (key == "sig")
signature = value;
}
catch { }
}
}
tuple.url = url + "&signature=" + signature;
if (tuple.IsValid)
urls.Add(tuple);
}
var itag = GetQualityIdentifier(quality);
foreach (var u in urls.Where(u => u.Itag > itag).ToArray())
urls.Remove(u);
}
catch (Exception ex)
{
if (completed != null)
completed(null, ex);
return;
}
Debug.WriteLine("entry = " + urls.OrderByDescending(u => u.Itag).FirstOrDefault().ToString());
var entry = urls.OrderByDescending(u => u.Itag).FirstOrDefault();
if (entry != null)
{
if (completed != null)
completed(entry, null);
}
else if (completed != null)
completed(null, new Exception("no_video_urls_found"));
}
else if (completed != null)
completed(null, response.Exception);
}
private static void OnHtmlDownloaded(HttpResponse response, YouTubeQuality minQuality, YouTubeQuality maxQuality, Action<YouTubeUri, Exception> completed)
{
if (response.Successful)
{
var urls = new List<YouTubeUri>();
try
{
var match = Regex.Match(response.Response, "url_encoded_fmt_stream_map\": \"(.*?)\"");
var data = Uri.UnescapeDataString(match.Groups[1].Value);
var arr = Regex.Split(data, ",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)"); // split by comma but outside quotes
foreach (var d in arr)
{
var url = "";
var signature = "";
var tuple = new YouTubeUri();
foreach (var p in d.Replace("\\u0026", "\t").Split('\t'))
{
var index = p.IndexOf('=');
if (index != -1 && index < p.Length)
{
try
{
var key = p.Substring(0, index);
var value = Uri.UnescapeDataString(p.Substring(index + 1));
if (key == "url")
url = value;
else if (key == "itag")
tuple.Itag = int.Parse(value);
else if (key == "type" && value.Contains("video/mp4"))
tuple.Type = value;
else if (key == "sig")
signature = value;
}
catch { }
}
}
tuple.url = url + "&signature=" + signature;
if (tuple.IsValid)
urls.Add(tuple);
}
var minTag = GetQualityIdentifier(minQuality);
var maxTag = GetQualityIdentifier(maxQuality);
foreach (var u in urls.Where(u => u.Itag < minTag || u.Itag > maxTag).ToArray())
urls.Remove(u);
}
catch (Exception ex)
{
if (completed != null)
completed(null, ex);
return;
}
var entry = urls.OrderByDescending(u => u.Itag).FirstOrDefault();
if (entry != null)
{
if (completed != null)
completed(entry, null);
}
else if (completed != null)
completed(null, new Exception("no_video_urls_found"));
}
else if (completed != null)
completed(null, response.Exception);
}
private async Task<YouTubeUri> ParsingYouTubeUrl(HtmlNode node)
{
YouTubeUri uri = new YouTubeUri();
string linkVideo = node.Descendants("iframe").FirstOrDefault().Attributes["src"].Value;
return await GetYouTubeYriForControl(linkVideo);
}
