Indetation formatting and unnecessary usings cleanup
This commit is contained in:
Michael Gordeev
@@ -17,210 +17,210 @@ using YoutubeExplode.Models.MediaStreams;
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namespace YouTube.Generators
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{
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internal class ManifestGenerator
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{
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IClientService ClientService { get; }
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YoutubeClient Client { get; }
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string Id { get; }
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Video Meta { get; set; }
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MediaStreamInfoSet UrlsSet { get; set; }
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internal class ManifestGenerator
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{
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IClientService ClientService { get; }
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YoutubeClient Client { get; }
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string Id { get; }
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Video Meta { get; set; }
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MediaStreamInfoSet UrlsSet { get; set; }
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public ManifestGenerator(IClientService service, string id)
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{
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ClientService = service;
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Id = id;
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Client = new YoutubeClient(service.HttpClient);
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}
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public ManifestGenerator(IClientService service, string id)
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{
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ClientService = service;
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Id = id;
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Client = new YoutubeClient(service.HttpClient);
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}
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public async Task<IReadOnlyList<DashManifest>> GenerateManifestsAsync()
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{
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Meta = await Client.GetVideoAsync(Id);
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public async Task<IReadOnlyList<DashManifest>> GenerateManifestsAsync()
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{
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Meta = await Client.GetVideoAsync(Id);
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if (Meta == null)
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throw new FileNotFoundException("Video not found. Check video ID and visibility preferences");
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if (Meta == null)
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throw new FileNotFoundException("Video not found. Check video ID and visibility preferences");
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UrlsSet = await Client.GetVideoMediaStreamInfosAsync(Id);
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UrlsSet = await Client.GetVideoMediaStreamInfosAsync(Id);
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if (!string.IsNullOrWhiteSpace(UrlsSet.HlsLiveStreamUrl))
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throw new NotSupportedException("This is livestream. Use 'YouTubeClient.VideoPlayback.List()' to get playback URLs");
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if (!string.IsNullOrWhiteSpace(UrlsSet.HlsLiveStreamUrl))
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throw new NotSupportedException("This is livestream. Use 'YouTubeClient.VideoPlayback.List()' to get playback URLs");
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List<DashManifest> list = new List<DashManifest>
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{
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await GenerateManifest("Auto")
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};
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foreach (string i in UrlsSet.GetAllVideoQualityLabels())
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list.Add(await GenerateManifest(i));
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return list.AsReadOnly();
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}
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List<DashManifest> list = new List<DashManifest>
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{
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await GenerateManifest("Auto")
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};
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foreach (string i in UrlsSet.GetAllVideoQualityLabels())
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list.Add(await GenerateManifest(i));
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async Task<DashManifest> GenerateManifest(string quality)
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{
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XmlDocument manifest = new XmlDocument();
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manifest.LoadXml(Properties.Resources.DashManifestTemplate);
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return list.AsReadOnly();
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}
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manifest["MPD"].SetAttribute("mediaPresentationDuration", XmlConvert.ToString(Meta.Duration));
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async Task<DashManifest> GenerateManifest(string quality)
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{
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XmlDocument manifest = new XmlDocument();
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manifest.LoadXml(Properties.Resources.DashManifestTemplate);
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StreamInfo streamInfo = await GetInfoAsync(quality);
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manifest["MPD"].SetAttribute("mediaPresentationDuration", XmlConvert.ToString(Meta.Duration));
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foreach (var i in streamInfo.Video)
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{
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string rep = GetVideoRepresentation(i);
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manifest.GetElementsByTagName("ContentComponent")[0].InnerXml += rep;
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}
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StreamInfo streamInfo = await GetInfoAsync(quality);
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foreach (var i in streamInfo.Audio)
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manifest.GetElementsByTagName("ContentComponent")[1].InnerXml += GetAudioRepresentation(i);
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foreach (var i in streamInfo.Video)
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{
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string rep = GetVideoRepresentation(i);
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manifest.GetElementsByTagName("ContentComponent")[0].InnerXml += rep;
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}
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return new DashManifest(quality, manifest);
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}
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foreach (var i in streamInfo.Audio)
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manifest.GetElementsByTagName("ContentComponent")[1].InnerXml += GetAudioRepresentation(i);
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string GetVideoRepresentation(StreamInfo.VideoInfo info) =>
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$@"<Representation bandwidth=""{GetBandwidth(info.Label)}"" id=""{info.Itag}"" mimeType=""{info.MimeType}"" codecs=""{info.Codecs}"" fps=""{info.Fps}"" height=""{info.Height}"" width=""{info.Width}"">
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return new DashManifest(quality, manifest);
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}
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string GetVideoRepresentation(StreamInfo.VideoInfo info) =>
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$@"<Representation bandwidth=""{GetBandwidth(info.Label)}"" id=""{info.Itag}"" mimeType=""{info.MimeType}"" codecs=""{info.Codecs}"" fps=""{info.Fps}"" height=""{info.Height}"" width=""{info.Width}"">
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<BaseURL>{WebUtility.UrlEncode(info.Url)}</BaseURL>
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<SegmentBase indexRange=""{info.IndexRange}"">
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<Initialization range=""{info.InitRange}""/>
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</SegmentBase>
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</Representation>";
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string GetAudioRepresentation(StreamInfo.AudioInfo info) =>
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$@"<Representation bandwidth=""200000"" id=""{info.Itag}"" sampleRate=""{info.SampleRate}"" numChannels=""{info.ChannelsCount}"" mimeType=""{info.MimeType}"" codecs=""{info.Codecs}"">
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string GetAudioRepresentation(StreamInfo.AudioInfo info) =>
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$@"<Representation bandwidth=""200000"" id=""{info.Itag}"" sampleRate=""{info.SampleRate}"" numChannels=""{info.ChannelsCount}"" mimeType=""{info.MimeType}"" codecs=""{info.Codecs}"">
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<BaseURL>{WebUtility.UrlEncode(info.Url)}</BaseURL>
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<SegmentBase indexRange=""{info.IndexRange}"">
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<Initialization range=""{info.InitRange}""/>
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</SegmentBase>
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</Representation>";
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async Task<StreamInfo> GetInfoAsync(string quality)
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{
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StreamInfo info = new StreamInfo();
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async Task<StreamInfo> GetInfoAsync(string quality)
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{
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StreamInfo info = new StreamInfo();
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string response = await ClientService.HttpClient.GetStringAsync($"https://youtube.com/watch?v={Id}&disable_polymer=true&bpctr=9999999999&hl=en");
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IHtmlDocument videoEmbedPageHtml = new HtmlParser().ParseDocument(response);
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string response = await ClientService.HttpClient.GetStringAsync($"https://youtube.com/watch?v={Id}&disable_polymer=true&bpctr=9999999999&hl=en");
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IHtmlDocument videoEmbedPageHtml = new HtmlParser().ParseDocument(response);
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#region I don't know what the fuck is this
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string playerConfigRaw = Regex.Match(videoEmbedPageHtml.Source.Text,
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@"ytplayer\.config = (?<Json>\{[^\{\}]*(((?<Open>\{)[^\{\}]*)+((?<Close-Open>\})[^\{\}]*)+)*(?(Open)(?!))\})")
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.Groups["Json"].Value;
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JToken playerConfigJson = JToken.Parse(playerConfigRaw);
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#region I don't know what the fuck is this
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string playerConfigRaw = Regex.Match(videoEmbedPageHtml.Source.Text,
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@"ytplayer\.config = (?<Json>\{[^\{\}]*(((?<Open>\{)[^\{\}]*)+((?<Close-Open>\})[^\{\}]*)+)*(?(Open)(?!))\})")
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.Groups["Json"].Value;
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JToken playerConfigJson = JToken.Parse(playerConfigRaw);
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var playerResponseRaw = playerConfigJson.SelectToken("args.player_response").Value<string>();
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JToken playerResponseJson = JToken.Parse(playerResponseRaw);
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string errorReason = playerResponseJson.SelectToken("playabilityStatus.reason")?.Value<string>();
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if (!string.IsNullOrWhiteSpace(errorReason))
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throw new InvalidDataException($"Video [{Id}] is unplayable. Reason: {errorReason}");
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var playerResponseRaw = playerConfigJson.SelectToken("args.player_response").Value<string>();
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JToken playerResponseJson = JToken.Parse(playerResponseRaw);
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string errorReason = playerResponseJson.SelectToken("playabilityStatus.reason")?.Value<string>();
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if (!string.IsNullOrWhiteSpace(errorReason))
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throw new InvalidDataException($"Video [{Id}] is unplayable. Reason: {errorReason}");
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List<Dictionary<string, string>> adaptiveStreamInfosUrl = playerConfigJson.SelectToken("args.adaptive_fmts")?.Value<string>().Split(',').Select(SplitQuery).ToList();
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List<Dictionary<string, string>> video =
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quality == "Auto" ?
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adaptiveStreamInfosUrl.FindAll(i => i.ContainsKey("quality_label")) :
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adaptiveStreamInfosUrl.FindAll(i => i.ContainsValue(quality.Substring(0, quality.IndexOf('p'))));
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List<Dictionary<string, string>> audio = adaptiveStreamInfosUrl.FindAll(i => i.ContainsKey("audio_sample_rate"));
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#endregion
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List<Dictionary<string, string>> adaptiveStreamInfosUrl = playerConfigJson.SelectToken("args.adaptive_fmts")?.Value<string>().Split(',').Select(SplitQuery).ToList();
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List<Dictionary<string, string>> video =
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quality == "Auto" ?
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adaptiveStreamInfosUrl.FindAll(i => i.ContainsKey("quality_label")) :
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adaptiveStreamInfosUrl.FindAll(i => i.ContainsValue(quality.Substring(0, quality.IndexOf('p'))));
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List<Dictionary<string, string>> audio = adaptiveStreamInfosUrl.FindAll(i => i.ContainsKey("audio_sample_rate"));
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#endregion
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foreach (var i in video)
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info.Video.Add(new StreamInfo.VideoInfo
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{
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IndexRange = i["index"],
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Url = i["url"],
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Itag = i["itag"],
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Fps = i["fps"],
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Height = i["size"].Split('x')[1],
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Width = i["size"].Split('x')[0],
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Codecs = i["type"].Split('"')[1],
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MimeType = i["type"].Split(';')[0],
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Label = i["quality_label"]
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});
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foreach (var i in video)
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info.Video.Add(new StreamInfo.VideoInfo
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{
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IndexRange = i["index"],
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Url = i["url"],
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Itag = i["itag"],
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Fps = i["fps"],
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Height = i["size"].Split('x')[1],
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Width = i["size"].Split('x')[0],
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Codecs = i["type"].Split('"')[1],
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MimeType = i["type"].Split(';')[0],
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Label = i["quality_label"]
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});
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foreach (var i in audio)
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info.Audio.Add(new StreamInfo.AudioInfo
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{
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ChannelsCount = i["audio_channels"],
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IndexRange = i["index"],
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SampleRate = i["audio_sample_rate"],
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Codecs = i["type"].Split('"')[1],
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MimeType = i["type"].Split(';')[0],
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Url = i["url"],
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Itag = i["itag"]
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});
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foreach (var i in audio)
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info.Audio.Add(new StreamInfo.AudioInfo
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{
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ChannelsCount = i["audio_channels"],
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IndexRange = i["index"],
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SampleRate = i["audio_sample_rate"],
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Codecs = i["type"].Split('"')[1],
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MimeType = i["type"].Split(';')[0],
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Url = i["url"],
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Itag = i["itag"]
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});
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return info;
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}
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return info;
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}
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/// <summary>
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/// I don't know what the fuck is this either
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/// </summary>
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public Dictionary<string, string> SplitQuery(string query)
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{
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Dictionary<string, string> dic = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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string[] paramsEncoded = query.TrimStart('?').Split('&');
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foreach (string paramEncoded in paramsEncoded)
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{
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string param = WebUtility.UrlDecode(paramEncoded);
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/// <summary>
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/// I don't know what the fuck is this either
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/// </summary>
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public Dictionary<string, string> SplitQuery(string query)
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{
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Dictionary<string, string> dic = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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string[] paramsEncoded = query.TrimStart('?').Split('&');
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foreach (string paramEncoded in paramsEncoded)
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{
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string param = WebUtility.UrlDecode(paramEncoded);
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// Look for the equals sign
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int equalsPos = param.IndexOf('=');
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if (equalsPos <= 0)
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continue;
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// Look for the equals sign
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int equalsPos = param.IndexOf('=');
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if (equalsPos <= 0)
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continue;
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// Get the key and value
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string key = param.Substring(0, equalsPos);
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string value = equalsPos < param.Length
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? param.Substring(equalsPos + 1)
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: string.Empty;
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// Get the key and value
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string key = param.Substring(0, equalsPos);
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string value = equalsPos < param.Length
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? param.Substring(equalsPos + 1)
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: string.Empty;
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// Add to dictionary
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dic[key] = value;
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}
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// Add to dictionary
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dic[key] = value;
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}
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return dic;
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}
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return dic;
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}
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string GetBandwidth(string quality) =>
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quality.Split('p')[0] switch
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{
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"4320" => "16763040",
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"3072" => "11920384",
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"2880" => "11175360",
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"2160" => "8381520",
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"1440" => "5587680",
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"1080" => "4190760",
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"720" => "2073921",
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"480" => "869460",
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"360" => "686521",
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"240" => "264835",
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_ => "100000",
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};
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string GetBandwidth(string quality) =>
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quality.Split('p')[0] switch
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{
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"4320" => "16763040",
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"3072" => "11920384",
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"2880" => "11175360",
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"2160" => "8381520",
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"1440" => "5587680",
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"1080" => "4190760",
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"720" => "2073921",
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"480" => "869460",
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"360" => "686521",
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"240" => "264835",
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_ => "100000",
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};
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class StreamInfo
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{
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public class VideoInfo
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{
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public string IndexRange { get; set; }
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public string InitRange => $"0-{int.Parse(IndexRange.Split('-')[0]) - 1}";
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public string Itag { get; set; }
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public string Fps { get; set; }
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public string Url { get; set; }
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public string Codecs { get; set; }
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public string MimeType { get; set; }
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public string Height { get; set; }
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public string Width { get; set; }
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public string Label { get; set; }
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}
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public class AudioInfo
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{
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public string IndexRange { get; set; }
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public string InitRange => $"0-{int.Parse(IndexRange.Split('-')[0]) - 1}";
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public string SampleRate { get; set; }
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public string ChannelsCount { get; set; }
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public string Codecs { get; set; }
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public string MimeType { get; set; }
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public string Url { get; set; }
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public string Itag { get; set; }
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}
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class StreamInfo
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{
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public class VideoInfo
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{
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public string IndexRange { get; set; }
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public string InitRange => $"0-{int.Parse(IndexRange.Split('-')[0]) - 1}";
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public string Itag { get; set; }
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public string Fps { get; set; }
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public string Url { get; set; }
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public string Codecs { get; set; }
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public string MimeType { get; set; }
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public string Height { get; set; }
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public string Width { get; set; }
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public string Label { get; set; }
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}
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public class AudioInfo
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{
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public string IndexRange { get; set; }
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public string InitRange => $"0-{int.Parse(IndexRange.Split('-')[0]) - 1}";
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public string SampleRate { get; set; }
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public string ChannelsCount { get; set; }
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public string Codecs { get; set; }
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public string MimeType { get; set; }
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public string Url { get; set; }
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public string Itag { get; set; }
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}
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public List<VideoInfo> Video { get; } = new List<VideoInfo>();
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public List<AudioInfo> Audio { get; } = new List<AudioInfo>();
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}
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}
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}
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public List<VideoInfo> Video { get; } = new List<VideoInfo>();
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public List<AudioInfo> Audio { get; } = new List<AudioInfo>();
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}
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}
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}
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