/// <summary>
/// Returns a <see cref="VideoInfo"/> of the given video.
/// </summary>
/// <param name="url">The url to the video.</param>
/// <param name="authentication">The authentication<see cref="YoutubeAuthentication"/>.</param>
/// <returns>The <see cref="VideoInfo"/>.</returns>
public static VideoInfo GetVideoInfo(string url,
YoutubeAuthentication authentication = null)
{
string json_dir = AppEnvironment.GetJsonDirectory();
string json_file = string.Empty;
string arguments = string.Format(Commands.GetJsonInfo,
json_dir,
url,
authentication == null ? string.Empty : authentication.ToCmdArgument());
VideoInfo video = new VideoInfo();
LogHeader(arguments);
ProcessHelper.StartProcess(YouTubeDlPath, arguments,
delegate(Process process, string line)
{
line = line.Trim();
if (line.StartsWith("[info] Writing video description metadata as JSON to:"))
{
// Store file path
json_file = line.Substring(line.IndexOf(":") + 1).Trim();
}
else if (line.Contains("Refetching age-gated info webpage"))
{
video.RequiresAuthentication = true;
}
},
delegate(Process process, string error)
{
error = error.Trim();
if (error.Contains(ErrorSignIn))
{
video.RequiresAuthentication = true;
}
else if (error.StartsWith("ERROR:"))
{
video.Failure = true;
video.FailureReason = error.Substring("ERROR: ".Length);
}
}, null)
.WaitForExit();
if (!video.Failure && !video.RequiresAuthentication)
{
video.DeserializeJson(json_file);
}
return(video);
}
/// <summary>
/// The GetVideoInfoBatchAsync.
/// </summary>
/// <param name="urls">The urls<see cref="ICollection{string}"/>.</param>
/// <param name="videoReady">The videoReady<see cref="Action{VideoInfo}"/>.</param>
/// <param name="authentication">The authentication<see cref="YoutubeAuthentication"/>.</param>
/// <returns>The <see cref="Task"/>.</returns>
public static async Task GetVideoInfoBatchAsync(ICollection <string> urls,
Action <VideoInfo> videoReady,
YoutubeAuthentication authentication = null)
{
string json_dir = AppEnvironment.GetJsonDirectory();
string arguments = string.Format(Commands.GetJsonInfoBatch, json_dir, string.Join(" ", urls));
var videos = new OrderedDictionary();
var jsonFiles = new Dictionary <string, string>();
var findVideoID = new Regex(@"(?:\]|ERROR:)\s(.{11}):", RegexOptions.Compiled);
var findVideoIDJson = new Regex(@":\s.*\\(.{11})_", RegexOptions.Compiled);
LogHeader(arguments);
await Task.Run(() =>
{
ProcessHelper.StartProcess(YouTubeDlPath, arguments,
(Process process, string line) =>
{
line = line.Trim();
Match m;
string id;
VideoInfo video = null;
if ((m = findVideoID.Match(line)).Success)
{
id = findVideoID.Match(line).Groups[1].Value;
video = videos.Get <VideoInfo>(id, new VideoInfo()
{
Id = id
});
}
if (line.StartsWith("[info] Writing video description metadata as JSON to:"))
{
id = findVideoIDJson.Match(line).Groups[1].Value;
var jsonFile = line.Substring(line.IndexOf(":") + 1).Trim();
jsonFiles.Put(id, jsonFile);
video = videos[id] as VideoInfo;
video.DeserializeJson(jsonFile);
videoReady(video);
}
else if (line.Contains("Refetching age-gated info webpage"))
{
video.RequiresAuthentication = true;
}
},
(Process process, string error) =>
{
error = error.Trim();
var id = findVideoID.Match(error).Groups[1].Value;
var video = videos.Get <VideoInfo>(id, new VideoInfo()
{
Id = id
});
if (error.Contains(ErrorSignIn))
{
video.RequiresAuthentication = true;
}
else if (error.StartsWith("ERROR:"))
{
video.Failure = true;
video.FailureReason = error.Substring("ERROR: ".Length);
}
}, null)
.WaitForExit();
});
}