/// <summary>
/// Convert the specified video ID into a streamable Vimeo URL.
/// </summary>
/// <param name="videoId">Video identifier.</param>
/// <returns></returns>
public static VideoSource Convert(string videoId, eliteVideoQuality quality, ref List <eliteVideoQuality> availableQualities, ref eliteVideoQuality currentVideoQuality)
{
var markupExtension = new VimeoVideoIdExtension {
VideoId = videoId, VideoQuality = quality
};
return((VideoSource)markupExtension.ProvideValue(ref availableQualities, ref currentVideoQuality));
}
/// <summary>
/// Provides the value.
/// </summary>
/// <param name="serviceProvider">The service provider.</param>
/// <returns></returns>
public object ProvideValue(ref List <eliteVideoQuality> availableQualities, ref eliteVideoQuality currentVideoQuality)
{
try
{
Debug.WriteLine($"Acquiring Vimeo stream source URL from VideoId='{VideoId}'...");
var videoInfoUrl = $"https://player.vimeo.com/video/{VideoId}/config";
using (var client = new HttpClient())
{
var videoPageContent = client.GetStringAsync(videoInfoUrl).Result;
var videoPageBytes = Encoding.UTF8.GetBytes(videoPageContent);
using (var stream = new MemoryStream(videoPageBytes))
{
var serializer = new DataContractJsonSerializer(typeof(VimeoVideo));
var metaData = (VimeoVideo)serializer.ReadObject(stream);
var files = metaData.request.files.progressive;
var videoUrl = "";
var videos = files.OrderBy(s => s.width).Select(s => new VideoQualityModel {
Quality = s.quality, Url = s.url
}).ToList();
var countFlag = 0;
foreach (var videoQualityModel in videos)
{
if (videoQualityModel.Quality.Contains(((int)eliteVideoQuality.Low).ToString()))
{
availableQualities.Add(eliteVideoQuality.Low);
}
else if (videoQualityModel.Quality.Contains(((int)eliteVideoQuality.Normal).ToString()))
{
availableQualities.Add(eliteVideoQuality.Normal);
}
else if (videoQualityModel.Quality.Contains(((int)eliteVideoQuality.Medium).ToString()))
{
availableQualities.Add(eliteVideoQuality.Medium);
}
else if (videoQualityModel.Quality.Contains(((int)eliteVideoQuality.High).ToString()))
{
availableQualities.Add(eliteVideoQuality.High);
}
}
// Exact match
if (videos.Any())
{
//try to find preferred quality
var prefQuality = videos.FirstOrDefault(v => v.Quality.Contains(VideoQuality.ToString()));
if (prefQuality != null)
{
prefQuality.Quality = Regex.Replace(prefQuality.Quality, "[^0-9]", "");
videoUrl = prefQuality.Url;
currentVideoQuality = (eliteVideoQuality)Enum.Parse(typeof(eliteVideoQuality), prefQuality.Quality);
return(VideoSource.FromUri(videoUrl));
}
//Not found.. Pick first quality in list and expose to caller available qualities
videoUrl = videos.First().Url;
var finalQuality = Regex.Replace(videos.First().Quality, "[^0-9]", "");
currentVideoQuality = (eliteVideoQuality)Enum.Parse(typeof(eliteVideoQuality), finalQuality);
Debug.WriteLine($"Stream URL: {videoUrl}");
//Make sure we can access URL.
if (!string.IsNullOrEmpty(videoUrl))
{
try
{
var request = new HttpRequestMessage(HttpMethod.Head, videoUrl);
var result = coreSettings.HttpClientSingleton.SendAsync(request).Result;
if (!result.IsSuccessStatusCode)
{
return(null);
}
}
catch
{
return(null);
}
}
return(VideoSource.FromUri(videoUrl));
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine("Error occured while attempting to convert Vimeo video ID into a remote stream path.");
Debug.WriteLine(ex);
}
return(null);
}
