private static IEnumerable <VideoHostingInfo> GetVideoInfos(IEnumerable <ExtractionInfo> extractionInfos, string videoTitle)
{
var downLoadInfos = new List <VideoHostingInfo>();
foreach (ExtractionInfo extractionInfo in extractionInfos)
{
string itag = VideoHostingHelper.ParseQueryString(extractionInfo.Uri.Query)["itag"];
int formatCode = int.Parse(itag);
VideoHostingInfo info = VideoHostingInfo.Defaults.SingleOrDefault(videoInfo => videoInfo.FormatCode == formatCode);
if (info != null)
{
info = new VideoHostingInfo(info)
{
DownloadUrl = extractionInfo.Uri.ToString(),
Title = videoTitle,
RequiresDecryption = extractionInfo.RequiresDecryption
};
}
else
{
info = new VideoHostingInfo(formatCode)
{
DownloadUrl = extractionInfo.Uri.ToString()
};
}
downLoadInfos.Add(info);
}
return(downLoadInfos);
}
public IEnumerator DecryptDownloadUrl(VideoHostingInfo videoInfo, Action <VideoHostingInfo> completeCallback)
{
IDictionary <string, string> queries = VideoHostingHelper.ParseQueryString(videoInfo.DownloadUrl);
if (queries.ContainsKey(SIGNATURE_QUERY))
{
string encryptedSignature = queries[SIGNATURE_QUERY];
string decrypted;
string jsUrl = string.Format("http://s.ytimg.com/yts/jsbin/player{0}.js", videoInfo.HtmlPlayerVersion);
WWW www = new WWW(jsUrl);
yield return(www);
try
{
decrypted = DeciphererYoutube.DecipherWithVersion(www.text, encryptedSignature, videoInfo.HtmlPlayerVersion);
}
catch (Exception ex)
{
throw new Exception("Could not decipher signature", ex);
}
videoInfo.DownloadUrl = VideoHostingHelper.ReplaceQueryStringParameter(videoInfo.DownloadUrl, SIGNATURE_QUERY, decrypted);
videoInfo.RequiresDecryption = false;
if (completeCallback != null)
{
completeCallback(videoInfo);
}
}
}
public void DecryptVideoUrl(VideoHostingInfo videoInfo, Action <VideoHostingInfo> completeCallback)
{
foreach (var cachedUrl in _cachedVideoUrls)
{
for (int i = 0; i < cachedUrl.Value.Length; i++)
{
if (cachedUrl.Value[i].DownloadUrl == videoInfo.DownloadUrl)
{
if (videoInfo.RequiresDecryption && !videoInfo.IsDecrypted)
{
if (_videoDecryptEnum != null)
{
_monoObject.StopCoroutine(_videoDecryptEnum);
}
_decryptionDoneAction = completeCallback;
_videoDecryptEnum = _currentVideoParser.DecryptDownloadUrl(videoInfo, OnDecryptDone);
_monoObject.StartCoroutine(_videoDecryptEnum);
videoInfo.IsDecrypted = true;
}
cachedUrl.Value[i] = videoInfo;
}
}
}
}
public VideoHostingInfo GetBestQualityVideo(VideoHostingInfo[] videoInfos, int maxQuality)
{
VideoHostingInfo videoWithBestResolution = new VideoHostingInfo(0);
foreach (var info in videoInfos)
{
if (info.Resolution < maxQuality && info.Resolution > videoWithBestResolution.Resolution)
{
videoWithBestResolution = info;
}
}
return(videoWithBestResolution);
}
internal VideoHostingInfo(VideoHostingInfo info)
: this(info.FormatCode, info.VideoType, info.Resolution, info.Is3D, info.AudioType, info.AudioBitrate, info.AdaptiveType)
{
}
private void OnDecryptDone(VideoHostingInfo videoInfo)
{
_decryptionDoneAction(videoInfo);
}
