private static async Task GeneratePreviews()
{
if (!Program.HasValidFFMPEG)
{
Console.WriteLine("Could not [GeneratePreviews] in cron - No ffmpeg installation found"); return;
}
if (Program.Args.CacheDir == null)
{
Console.WriteLine("Could not [GeneratePreviews] in cron - No cache directory specified"); return;
}
LastCronGeneratePreviews = DateTime.Now;
var dirs = (await Task.WhenAll(Program.Args.DataDirs.Select(async(_, i) => await Program.GetData(i)))).ToList();
var videos = dirs.SelectMany(p => p.Videos.Values).ToList();
foreach (var vid in videos)
{
var pathVideo = vid.PathVideo;
if (pathVideo == null)
{
continue;
}
var pathCache = PreviewController.GetPreviewCachePath(pathVideo);
if (File.Exists(pathCache))
{
continue;
}
JobRegistry.PreviewGenJobs.StartOrQueue((man) => new PreviewGenJob(man, pathVideo, pathCache, null, vid.DataDirIndex, vid.UID), false);
}
}
private (JObject, string, string) ReadVideoDataRaw(string pathVideo)
{
var uid = "SHA256" + pathVideo.Sha256().Substring(0, 18);
var dir = Path.GetDirectoryName(pathVideo);
if (dir == null)
{
return(null, null, null);
}
var filenameVideo = Path.GetFileName(pathVideo);
var filenameBase = Path.GetFileNameWithoutExtension(filenameVideo);
var pathDesc = Path.Combine(dir, filenameBase + ".description");
if (!_datafiles.Contains(pathDesc))
{
pathDesc = null;
}
var pathThumb = Program.ExtThumbnail.Select(ext => Path.Combine(dir, filenameBase + "." + ext)).FirstOrDefault(p => _datafiles.Contains(p));
var pathSubs = _filesSubs
.Where(p => dir == Path.GetDirectoryName(p))
.Where(p => Path.GetFileName(p).EndsWith(".vtt"))
.Where(p => Path.GetFileName(p).StartsWith(filenameBase + "."))
.ToList();
var vtitle = _spec.UseFilenameAsTitle ? Path.GetFileNameWithoutExtension(pathVideo) : Path.GetFileName(pathVideo);
var vidData = new JObject
(
new JProperty("meta", new JObject
(
new JProperty("uid", uid),
new JProperty("datadirindex", _index),
new JProperty("directory", dir),
new JProperty("filename_base", filenameBase),
new JProperty("path_json", (object)null),
new JProperty("path_toml", (object)null),
new JProperty("path_description", pathDesc),
new JProperty("path_video", pathVideo),
new JProperty("path_video_abs", Path.GetFullPath(pathVideo)),
new JProperty("path_thumbnail", pathThumb),
new JProperty("paths_subtitle", new JObject(pathSubs.Select(p => new JProperty(Path.GetFileNameWithoutExtension(p).Substring(filenameBase.Length + 1), p)))),
new JProperty("cache_file", VideoController.GetStreamCachePath(pathVideo)),
new JProperty("cached", _cacheFiles.Contains(Path.GetFileName(VideoController.GetStreamCachePath(pathVideo)))),
new JProperty("cached_video_fsize", _cacheFiles.Contains(Path.GetFileName(VideoController.GetStreamCachePath(pathVideo))) ? new FileInfo(VideoController.GetStreamCachePath(pathVideo)).Length : 0),
new JProperty("previewscache_file", PreviewController.GetPreviewCachePath(pathVideo)),
new JProperty("cached_previews", _cacheFiles.Contains(Path.GetFileName(PreviewController.GetPreviewCachePath(pathVideo)))),
new JProperty("cached_preview_fsize", _cacheFiles.Contains(Path.GetFileName(PreviewController.GetPreviewCachePath(pathVideo))) ? new FileInfo(PreviewController.GetPreviewCachePath(pathVideo)).Length : 0),
new JProperty("thumbnailcache_file", ThumbnailController.GetThumbnailCachePath(pathVideo)),
new JProperty("cached_thumbnail", _cacheFiles.Contains(Path.GetFileName(ThumbnailController.GetThumbnailCachePath(pathVideo)))),
new JProperty("cached_thumbnail_fsize", _cacheFiles.Contains(Path.GetFileName(ThumbnailController.GetThumbnailCachePath(pathVideo))) ? new FileInfo(ThumbnailController.GetThumbnailCachePath(pathVideo)).Length : 0),
new JProperty("filesize", new FileInfo(pathVideo).Length)
)),
new JProperty("data", new JObject
(
new JProperty("title", vtitle),
new JProperty("description", (pathDesc != null) ? File.ReadAllText(pathDesc) : null),
new JProperty("info", new JObject())
))
);
return(vidData, dir, filenameBase);
}