777 行
28 KiB
Crystal
777 行
28 KiB
Crystal
CAPTION_LANGUAGES = {
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"",
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"English",
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"English (auto-generated)",
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"Afrikaans",
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"Albanian",
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"Amharic",
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"Arabic",
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"Armenian",
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"Azerbaijani",
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"Bangla",
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"Basque",
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"Belarusian",
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"Bosnian",
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"Bulgarian",
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"Burmese",
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"Catalan",
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"Cebuano",
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"Chinese (Simplified)",
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"Chinese (Traditional)",
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"Corsican",
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"Croatian",
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"Czech",
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"Danish",
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"Dutch",
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"Esperanto",
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"Estonian",
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"Filipino",
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"Finnish",
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"French",
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"Galician",
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"Georgian",
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"German",
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"Greek",
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"Gujarati",
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"Haitian Creole",
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"Hausa",
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"Hawaiian",
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"Hebrew",
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"Hindi",
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"Hmong",
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"Hungarian",
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"Icelandic",
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"Igbo",
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"Indonesian",
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"Irish",
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"Italian",
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"Japanese",
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"Javanese",
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"Kannada",
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"Kazakh",
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"Khmer",
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"Korean",
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"Kurdish",
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"Kyrgyz",
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"Lao",
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"Latin",
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"Latvian",
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"Lithuanian",
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"Luxembourgish",
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"Macedonian",
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"Malagasy",
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"Malay",
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"Malayalam",
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"Maltese",
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"Maori",
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"Marathi",
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"Mongolian",
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"Nepali",
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"Norwegian",
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"Nyanja",
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"Pashto",
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"Persian",
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"Polish",
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"Portuguese",
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"Punjabi",
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"Romanian",
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"Russian",
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"Samoan",
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"Scottish Gaelic",
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"Serbian",
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"Shona",
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"Sindhi",
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"Sinhala",
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"Slovak",
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"Slovenian",
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"Somali",
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"Southern Sotho",
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"Spanish",
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"Spanish (Latin America)",
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"Sundanese",
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"Swahili",
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"Swedish",
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"Tajik",
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"Tamil",
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"Telugu",
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"Thai",
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"Turkish",
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"Ukrainian",
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"Urdu",
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"Uzbek",
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"Vietnamese",
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"Welsh",
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"Western Frisian",
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"Xhosa",
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"Yiddish",
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"Yoruba",
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"Zulu",
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}
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REGIONS = {"AD", "AE", "AF", "AG", "AI", "AL", "AM", "AO", "AQ", "AR", "AS", "AT", "AU", "AW", "AX", "AZ", "BA", "BB", "BD", "BE", "BF", "BG", "BH", "BI", "BJ", "BL", "BM", "BN", "BO", "BQ", "BR", "BS", "BT", "BV", "BW", "BY", "BZ", "CA", "CC", "CD", "CF", "CG", "CH", "CI", "CK", "CL", "CM", "CN", "CO", "CR", "CU", "CV", "CW", "CX", "CY", "CZ", "DE", "DJ", "DK", "DM", "DO", "DZ", "EC", "EE", "EG", "EH", "ER", "ES", "ET", "FI", "FJ", "FK", "FM", "FO", "FR", "GA", "GB", "GD", "GE", "GF", "GG", "GH", "GI", "GL", "GM", "GN", "GP", "GQ", "GR", "GS", "GT", "GU", "GW", "GY", "HK", "HM", "HN", "HR", "HT", "HU", "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS", "IT", "JE", "JM", "JO", "JP", "KE", "KG", "KH", "KI", "KM", "KN", "KP", "KR", "KW", "KY", "KZ", "LA", "LB", "LC", "LI", "LK", "LR", "LS", "LT", "LU", "LV", "LY", "MA", "MC", "MD", "ME", "MF", "MG", "MH", "MK", "ML", "MM", "MN", "MO", "MP", "MQ", "MR", "MS", "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA", "NC", "NE", "NF", "NG", "NI", "NL", "NO", "NP", "NR", "NU", "NZ", "OM", "PA", "PE", "PF", "PG", "PH", "PK", "PL", "PM", "PN", "PR", "PS", "PT", "PW", "PY", "QA", "RE", "RO", "RS", "RU", "RW", "SA", "SB", "SC", "SD", "SE", "SG", "SH", "SI", "SJ", "SK", "SL", "SM", "SN", "SO", "SR", "SS", "ST", "SV", "SX", "SY", "SZ", "TC", "TD", "TF", "TG", "TH", "TJ", "TK", "TL", "TM", "TN", "TO", "TR", "TT", "TV", "TW", "TZ", "UA", "UG", "UM", "US", "UY", "UZ", "VA", "VC", "VE", "VG", "VI", "VN", "VU", "WF", "WS", "YE", "YT", "ZA", "ZM", "ZW"}
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BYPASS_REGIONS = {
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"GB",
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"DE",
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"FR",
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"IN",
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"CN",
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"RU",
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"CA",
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"JP",
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"IT",
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"TH",
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"ES",
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"AE",
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"KR",
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"IR",
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"BR",
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"PK",
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"ID",
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"BD",
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"MX",
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"PH",
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"EG",
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"VN",
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"CD",
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"TR",
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}
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VIDEO_THUMBNAILS = {
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{name: "maxres", host: "invidio.us", url: "maxres", height: 720, width: 1280},
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{name: "maxresdefault", host: "i.ytimg.com", url: "maxresdefault", height: 720, width: 1280},
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{name: "sddefault", host: "i.ytimg.com", url: "sddefault", height: 480, width: 640},
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{name: "high", host: "i.ytimg.com", url: "hqdefault", height: 360, width: 480},
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{name: "medium", host: "i.ytimg.com", url: "mqdefault", height: 180, width: 320},
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{name: "default", host: "i.ytimg.com", url: "default", height: 90, width: 120},
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{name: "start", host: "i.ytimg.com", url: "1", height: 90, width: 120},
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{name: "middle", host: "i.ytimg.com", url: "2", height: 90, width: 120},
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{name: "end", host: "i.ytimg.com", url: "3", height: 90, width: 120},
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}
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# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
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VIDEO_FORMATS = {
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"5" => {"ext" => "flv", "width" => 400, "height" => 240, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
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"6" => {"ext" => "flv", "width" => 450, "height" => 270, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
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"13" => {"ext" => "3gp", "acodec" => "aac", "vcodec" => "mp4v"},
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"17" => {"ext" => "3gp", "width" => 176, "height" => 144, "acodec" => "aac", "abr" => 24, "vcodec" => "mp4v"},
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"18" => {"ext" => "mp4", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 96, "vcodec" => "h264"},
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"22" => {"ext" => "mp4", "width" => 1280, "height" => 720, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
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"34" => {"ext" => "flv", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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"35" => {"ext" => "flv", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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"36" => {"ext" => "3gp", "width" => 320, "acodec" => "aac", "vcodec" => "mp4v"},
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"37" => {"ext" => "mp4", "width" => 1920, "height" => 1080, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
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"38" => {"ext" => "mp4", "width" => 4096, "height" => 3072, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
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"43" => {"ext" => "webm", "width" => 640, "height" => 360, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
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"44" => {"ext" => "webm", "width" => 854, "height" => 480, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
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"45" => {"ext" => "webm", "width" => 1280, "height" => 720, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
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"46" => {"ext" => "webm", "width" => 1920, "height" => 1080, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
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"59" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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"78" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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# 3D videos
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"82" => {"ext" => "mp4", "height" => 360, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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"83" => {"ext" => "mp4", "height" => 480, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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"84" => {"ext" => "mp4", "height" => 720, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
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"85" => {"ext" => "mp4", "height" => 1080, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
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"100" => {"ext" => "webm", "height" => 360, "format" => "3D", "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
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"101" => {"ext" => "webm", "height" => 480, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
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"102" => {"ext" => "webm", "height" => 720, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
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# Apple HTTP Live Streaming
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"91" => {"ext" => "mp4", "height" => 144, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
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"92" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
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"93" => {"ext" => "mp4", "height" => 360, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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"94" => {"ext" => "mp4", "height" => 480, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
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"95" => {"ext" => "mp4", "height" => 720, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
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"96" => {"ext" => "mp4", "height" => 1080, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
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"132" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
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"151" => {"ext" => "mp4", "height" => 72, "format" => "HLS", "acodec" => "aac", "abr" => 24, "vcodec" => "h264"},
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# DASH mp4 video
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"133" => {"ext" => "mp4", "height" => 240, "format" => "DASH video", "vcodec" => "h264"},
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"134" => {"ext" => "mp4", "height" => 360, "format" => "DASH video", "vcodec" => "h264"},
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"135" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
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"136" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264"},
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"137" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264"},
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"138" => {"ext" => "mp4", "format" => "DASH video", "vcodec" => "h264"}, # Height can vary (https=>//github.com/rg3/youtube-dl/issues/4559)
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"160" => {"ext" => "mp4", "height" => 144, "format" => "DASH video", "vcodec" => "h264"},
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"212" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
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"264" => {"ext" => "mp4", "height" => 1440, "format" => "DASH video", "vcodec" => "h264"},
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"298" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
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"299" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
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"266" => {"ext" => "mp4", "height" => 2160, "format" => "DASH video", "vcodec" => "h264"},
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# Dash mp4 audio
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"139" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 48, "container" => "m4a_dash"},
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"140" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 128, "container" => "m4a_dash"},
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"141" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 256, "container" => "m4a_dash"},
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"256" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
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"258" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
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"325" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "dtse", "container" => "m4a_dash"},
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"328" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "ec-3", "container" => "m4a_dash"},
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# Dash webm
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"167" => {"ext" => "webm", "height" => 360, "width" => 640, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
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"168" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
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"169" => {"ext" => "webm", "height" => 720, "width" => 1280, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
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"170" => {"ext" => "webm", "height" => 1080, "width" => 1920, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
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"218" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
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"219" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
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"278" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "container" => "webm", "vcodec" => "vp9"},
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"242" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9"},
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"243" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9"},
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"244" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
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"245" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
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"246" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
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"247" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9"},
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"248" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9"},
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"271" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9"},
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# itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
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"272" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
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"302" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"303" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"308" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"313" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
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"315" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"330" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"331" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"332" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"333" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"334" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"335" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"336" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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"337" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
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# Dash webm audio
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"171" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 128},
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"172" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 256},
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# Dash webm audio with opus inside
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"249" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 50},
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"250" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 70},
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"251" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 160},
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}
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class Video
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property player_json : JSON::Any?
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module HTTPParamConverter
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def self.from_rs(rs)
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HTTP::Params.parse(rs.read(String))
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end
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end
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def fmt_stream(decrypt_function)
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streams = [] of HTTP::Params
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self.info["url_encoded_fmt_stream_map"].split(",") do |string|
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if !string.empty?
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streams << HTTP::Params.parse(string)
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end
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end
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streams.each { |s| s.add("label", "#{s["quality"]} - #{s["type"].split(";")[0].split("/")[1]}") }
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streams = streams.uniq { |s| s["label"] }
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if self.info["region"]?
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streams.each do |fmt|
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fmt["url"] += "®ion=" + self.info["region"]
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end
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end
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if streams[0]? && streams[0]["s"]?
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streams.each do |fmt|
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fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
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end
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end
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return streams
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end
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def adaptive_fmts(decrypt_function)
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adaptive_fmts = [] of HTTP::Params
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|
|
if self.info.has_key?("adaptive_fmts")
|
|
self.info["adaptive_fmts"].split(",") do |string|
|
|
adaptive_fmts << HTTP::Params.parse(string)
|
|
end
|
|
elsif self.info.has_key?("dashmpd")
|
|
client = make_client(YT_URL)
|
|
response = client.get(self.info["dashmpd"])
|
|
document = XML.parse_html(response.body)
|
|
|
|
document.xpath_nodes(%q(//adaptationset)).each do |adaptation_set|
|
|
mime_type = adaptation_set["mimetype"]
|
|
|
|
document.xpath_nodes(%q(.//representation)).each do |representation|
|
|
codecs = representation["codecs"]
|
|
itag = representation["id"]
|
|
bandwidth = representation["bandwidth"]
|
|
url = representation.xpath_node(%q(.//baseurl)).not_nil!.content
|
|
|
|
clen = url.match(/clen\/(?<clen>\d+)/).try &.["clen"]
|
|
clen ||= "0"
|
|
lmt = url.match(/lmt\/(?<lmt>\d+)/).try &.["lmt"]
|
|
lmt ||= "#{((Time.now + 1.hour).epoch_f.to_f64 * 1000000).to_i64}"
|
|
|
|
segment_list = representation.xpath_node(%q(.//segmentlist)).not_nil!
|
|
init = segment_list.xpath_node(%q(.//initialization))
|
|
|
|
# TODO: Replace with sane defaults when byteranges are absent
|
|
if init && !init["sourceurl"].starts_with? "sq"
|
|
init = init["sourceurl"].lchop("range/")
|
|
|
|
index = segment_list.xpath_node(%q(.//segmenturl)).not_nil!["media"]
|
|
index = index.lchop("range/")
|
|
index = "#{init.split("-")[1].to_i + 1}-#{index.split("-")[0].to_i}"
|
|
else
|
|
init = "0-0"
|
|
index = "1-1"
|
|
end
|
|
|
|
params = {
|
|
"type" => ["#{mime_type}; codecs=\"#{codecs}\""],
|
|
"url" => [url],
|
|
"projection_type" => ["1"],
|
|
"index" => [index],
|
|
"init" => [init],
|
|
"xtags" => [] of String,
|
|
"lmt" => [lmt],
|
|
"clen" => [clen],
|
|
"bitrate" => [bandwidth],
|
|
"itag" => [itag],
|
|
}
|
|
|
|
if mime_type == "video/mp4"
|
|
width = representation["width"]?
|
|
height = representation["height"]?
|
|
fps = representation["framerate"]?
|
|
|
|
metadata = itag_to_metadata?(itag)
|
|
if metadata
|
|
width ||= metadata["width"]?
|
|
height ||= metadata["height"]?
|
|
fps ||= metadata["fps"]?
|
|
end
|
|
|
|
if width && height
|
|
params["size"] = ["#{width}x#{height}"]
|
|
end
|
|
|
|
if width
|
|
params["quality_label"] = ["#{height}p"]
|
|
end
|
|
end
|
|
|
|
adaptive_fmts << HTTP::Params.new(params)
|
|
end
|
|
end
|
|
end
|
|
|
|
if self.info["region"]?
|
|
adaptive_fmts.each do |fmt|
|
|
fmt["url"] += "®ion=" + self.info["region"]
|
|
end
|
|
end
|
|
|
|
if adaptive_fmts[0]? && adaptive_fmts[0]["s"]?
|
|
adaptive_fmts.each do |fmt|
|
|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
|
|
end
|
|
end
|
|
|
|
return adaptive_fmts
|
|
end
|
|
|
|
def video_streams(adaptive_fmts)
|
|
video_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("video") ? s : nil }
|
|
|
|
return video_streams
|
|
end
|
|
|
|
def audio_streams(adaptive_fmts)
|
|
audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil }
|
|
audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse!
|
|
audio_streams.each do |stream|
|
|
stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s
|
|
end
|
|
|
|
return audio_streams
|
|
end
|
|
|
|
def player_response
|
|
if !@player_json
|
|
@player_json = JSON.parse(@info["player_response"])
|
|
end
|
|
|
|
return @player_json.not_nil!
|
|
end
|
|
|
|
def captions
|
|
captions = [] of Caption
|
|
if player_response["captions"]?
|
|
caption_list = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
|
|
caption_list ||= [] of JSON::Any
|
|
|
|
caption_list.each do |caption|
|
|
caption = Caption.from_json(caption.to_json)
|
|
caption.name.simpleText = caption.name.simpleText.split(" - ")[0]
|
|
captions << caption
|
|
end
|
|
end
|
|
|
|
return captions
|
|
end
|
|
|
|
def short_description
|
|
description = self.description.gsub("<br>", " ")
|
|
description = description.gsub("<br/>", " ")
|
|
description = XML.parse_html(description).content[0..200].gsub('"', """).gsub("\n", " ").strip(" ")
|
|
if description.empty?
|
|
description = " "
|
|
end
|
|
|
|
return description
|
|
end
|
|
|
|
add_mapping({
|
|
id: String,
|
|
info: {
|
|
type: HTTP::Params,
|
|
default: HTTP::Params.parse(""),
|
|
converter: Video::HTTPParamConverter,
|
|
},
|
|
updated: Time,
|
|
title: String,
|
|
views: Int64,
|
|
likes: Int32,
|
|
dislikes: Int32,
|
|
wilson_score: Float64,
|
|
published: Time,
|
|
description: String,
|
|
language: String?,
|
|
author: String,
|
|
ucid: String,
|
|
allowed_regions: Array(String),
|
|
is_family_friendly: Bool,
|
|
genre: String,
|
|
genre_url: String,
|
|
license: String,
|
|
sub_count_text: String,
|
|
author_thumbnail: {
|
|
type: String,
|
|
default: "",
|
|
},
|
|
})
|
|
end
|
|
|
|
class Caption
|
|
JSON.mapping(
|
|
name: CaptionName,
|
|
baseUrl: String,
|
|
languageCode: String
|
|
)
|
|
end
|
|
|
|
class CaptionName
|
|
JSON.mapping(
|
|
simpleText: String,
|
|
)
|
|
end
|
|
|
|
class VideoRedirect < Exception
|
|
end
|
|
|
|
def get_video(id, db, proxies = {} of String => Array({ip: String, port: Int32}), refresh = true)
|
|
if db.query_one?("SELECT EXISTS (SELECT true FROM videos WHERE id = $1)", id, as: Bool)
|
|
video = db.query_one("SELECT * FROM videos WHERE id = $1", id, as: Video)
|
|
|
|
# If record was last updated over 10 minutes ago, refresh (expire param in response lasts for 6 hours)
|
|
if refresh && Time.now - video.updated > 10.minutes
|
|
begin
|
|
video = fetch_video(id, proxies)
|
|
video_array = video.to_a
|
|
|
|
args = arg_array(video_array[1..-1], 2)
|
|
|
|
db.exec("UPDATE videos SET (info,updated,title,views,likes,dislikes,wilson_score,\
|
|
published,description,language,author,ucid,allowed_regions,is_family_friendly,\
|
|
genre,genre_url,license,sub_count_text,author_thumbnail)\
|
|
= (#{args}) WHERE id = $1", video_array)
|
|
rescue ex
|
|
db.exec("DELETE FROM videos * WHERE id = $1", id)
|
|
raise ex
|
|
end
|
|
end
|
|
else
|
|
video = fetch_video(id, proxies)
|
|
video_array = video.to_a
|
|
|
|
args = arg_array(video_array)
|
|
|
|
db.exec("INSERT INTO videos VALUES (#{args}) ON CONFLICT (id) DO NOTHING", video_array)
|
|
end
|
|
|
|
return video
|
|
end
|
|
|
|
def fetch_video(id, proxies)
|
|
html_channel = Channel(XML::Node | String).new
|
|
info_channel = Channel(HTTP::Params).new
|
|
|
|
spawn do
|
|
client = make_client(YT_URL)
|
|
html = client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1")
|
|
|
|
if md = html.headers["location"]?.try &.match(/v=(?<id>[a-zA-Z0-9_-]{11})/)
|
|
next html_channel.send(md["id"])
|
|
end
|
|
|
|
html = XML.parse_html(html.body)
|
|
html_channel.send(html)
|
|
end
|
|
|
|
spawn do
|
|
client = make_client(YT_URL)
|
|
info = client.get("/get_video_info?video_id=#{id}&el=detailpage&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
|
|
info = HTTP::Params.parse(info.body)
|
|
|
|
if info["reason"]?
|
|
info = client.get("/get_video_info?video_id=#{id}&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
|
|
info = HTTP::Params.parse(info.body)
|
|
end
|
|
|
|
info_channel.send(info)
|
|
end
|
|
|
|
html = html_channel.receive
|
|
if html.as?(String)
|
|
raise VideoRedirect.new("#{html.as(String)}")
|
|
end
|
|
html = html.as(XML::Node)
|
|
|
|
info = info_channel.receive
|
|
|
|
if info["reason"]? && info["reason"].includes? "your country"
|
|
bypass_channel = Channel(HTTPProxy | Nil).new
|
|
|
|
proxies.each do |region, list|
|
|
spawn do
|
|
info = HTTP::Params.new({
|
|
"reason" => [info["reason"]],
|
|
})
|
|
|
|
list.each do |proxy|
|
|
begin
|
|
client = HTTPClient.new(YT_URL)
|
|
client.read_timeout = 10.seconds
|
|
client.connect_timeout = 10.seconds
|
|
|
|
proxy = HTTPProxy.new(proxy_host: proxy[:ip], proxy_port: proxy[:port])
|
|
client.set_proxy(proxy)
|
|
|
|
info = HTTP::Params.parse(client.get("/get_video_info?video_id=#{id}&ps=default&eurl=&gl=US&hl=en&disable_polymer=1").body)
|
|
if !info["reason"]?
|
|
bypass_channel.send(proxy)
|
|
break
|
|
end
|
|
rescue ex
|
|
end
|
|
end
|
|
|
|
# If none of the proxies we tried returned a valid response
|
|
if info["reason"]?
|
|
bypass_channel.send(nil)
|
|
end
|
|
end
|
|
end
|
|
|
|
proxies.size.times do
|
|
proxy = bypass_channel.receive
|
|
if proxy
|
|
begin
|
|
client = HTTPClient.new(YT_URL)
|
|
client.read_timeout = 10.seconds
|
|
client.connect_timeout = 10.seconds
|
|
client.set_proxy(proxy)
|
|
|
|
html = XML.parse_html(client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1").body)
|
|
info = HTTP::Params.parse(client.get("/get_video_info?video_id=#{id}&el=detailpage&ps=default&eurl=&gl=US&hl=en&disable_polymer=1").body)
|
|
|
|
if info["reason"]?
|
|
info = HTTP::Params.parse(client.get("/get_video_info?video_id=#{id}&ps=default&eurl=&gl=US&hl=en&disable_polymer=1").body)
|
|
end
|
|
|
|
proxy = {ip: proxy.proxy_host, port: proxy.proxy_port}
|
|
region = proxies.select { |region, list| list.includes? proxy }
|
|
if !region.empty?
|
|
info["region"] = region.keys[0]
|
|
end
|
|
|
|
break
|
|
rescue ex
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
if info["reason"]?
|
|
raise info["reason"]
|
|
end
|
|
|
|
title = info["title"]
|
|
views = info["view_count"].to_i64
|
|
author = info["author"]
|
|
ucid = info["ucid"]
|
|
|
|
likes = html.xpath_node(%q(//button[@title="I like this"]/span))
|
|
likes = likes.try &.content.delete(",").try &.to_i
|
|
likes ||= 0
|
|
|
|
dislikes = html.xpath_node(%q(//button[@title="I dislike this"]/span))
|
|
dislikes = dislikes.try &.content.delete(",").try &.to_i
|
|
dislikes ||= 0
|
|
|
|
description = html.xpath_node(%q(//p[@id="eow-description"]))
|
|
description = description ? description.to_xml : ""
|
|
|
|
wilson_score = ci_lower_bound(likes, likes + dislikes)
|
|
|
|
published = html.xpath_node(%q(//meta[@itemprop="datePublished"])).not_nil!["content"]
|
|
published = Time.parse(published, "%Y-%m-%d", Time::Location.local)
|
|
|
|
allowed_regions = html.xpath_node(%q(//meta[@itemprop="regionsAllowed"])).try &.["content"].split(",")
|
|
allowed_regions ||= [] of String
|
|
is_family_friendly = html.xpath_node(%q(//meta[@itemprop="isFamilyFriendly"])).try &.["content"] == "True"
|
|
is_family_friendly ||= true
|
|
|
|
genre = html.xpath_node(%q(//meta[@itemprop="genre"])).not_nil!["content"]
|
|
genre_url = html.xpath_node(%(//a[text()="#{genre}"])).try &.["href"]
|
|
case genre
|
|
when "Movies"
|
|
genre_url = "/channel/UClgRkhTL3_hImCAmdLfDE4g"
|
|
when "Education"
|
|
# Education channel is linked but does not exist
|
|
# genre_url = "/channel/UC3yA8nDwraeOfnYfBWun83g"
|
|
genre_url = ""
|
|
end
|
|
genre_url ||= ""
|
|
|
|
license = html.xpath_node(%q(//h4[contains(text(),"License")]/parent::*/ul/li))
|
|
if license
|
|
license = license.content
|
|
else
|
|
license = ""
|
|
end
|
|
|
|
sub_count_text = html.xpath_node(%q(//span[contains(@class, "yt-subscriber-count")]))
|
|
if sub_count_text
|
|
sub_count_text = sub_count_text["title"]
|
|
else
|
|
sub_count_text = "0"
|
|
end
|
|
|
|
author_thumbnail = html.xpath_node(%(//img[@alt="#{author}"]))
|
|
if author_thumbnail
|
|
author_thumbnail = author_thumbnail["data-thumb"]
|
|
else
|
|
author_thumbnail = ""
|
|
end
|
|
|
|
video = Video.new(id, info, Time.now, title, views, likes, dislikes, wilson_score, published, description,
|
|
nil, author, ucid, allowed_regions, is_family_friendly, genre, genre_url, license, sub_count_text, author_thumbnail)
|
|
|
|
return video
|
|
end
|
|
|
|
def itag_to_metadata?(itag : String)
|
|
return VIDEO_FORMATS[itag]?
|
|
end
|
|
|
|
def process_video_params(query, preferences)
|
|
autoplay = query["autoplay"]?.try &.to_i?
|
|
preferred_captions = query["subtitles"]?.try &.split(",").map { |a| a.downcase }
|
|
quality = query["quality"]?
|
|
speed = query["speed"]?.try &.to_f?
|
|
video_loop = query["loop"]?.try &.to_i?
|
|
volume = query["volume"]?.try &.to_i?
|
|
|
|
if preferences
|
|
autoplay ||= preferences.autoplay.to_unsafe
|
|
preferred_captions ||= preferences.captions
|
|
quality ||= preferences.quality
|
|
speed ||= preferences.speed
|
|
video_loop ||= preferences.video_loop.to_unsafe
|
|
volume ||= preferences.volume
|
|
end
|
|
|
|
autoplay ||= 0
|
|
preferred_captions ||= [] of String
|
|
quality ||= "hd720"
|
|
speed ||= 1
|
|
video_loop ||= 0
|
|
volume ||= 100
|
|
|
|
autoplay = autoplay == 1
|
|
video_loop = video_loop == 1
|
|
|
|
if query["t"]?
|
|
video_start = decode_time(query["t"])
|
|
end
|
|
video_start ||= 0
|
|
if query["time_continue"]?
|
|
video_start = decode_time(query["time_continue"])
|
|
end
|
|
video_start ||= 0
|
|
if query["start"]?
|
|
video_start = decode_time(query["start"])
|
|
end
|
|
|
|
if query["end"]?
|
|
video_end = decode_time(query["end"])
|
|
end
|
|
video_end ||= -1
|
|
|
|
if query["listen"]? && (query["listen"] == "true" || query["listen"] == "1")
|
|
listen = true
|
|
end
|
|
listen ||= false
|
|
|
|
raw = query["raw"]?.try &.to_i?
|
|
raw ||= 0
|
|
raw = raw == 1
|
|
|
|
controls = query["controls"]?.try &.to_i?
|
|
controls ||= 1
|
|
controls = controls == 1
|
|
|
|
params = {
|
|
autoplay: autoplay,
|
|
controls: controls,
|
|
listen: listen,
|
|
preferred_captions: preferred_captions,
|
|
quality: quality,
|
|
raw: raw,
|
|
speed: speed,
|
|
video_end: video_end,
|
|
video_loop: video_loop,
|
|
video_start: video_start,
|
|
volume: volume,
|
|
}
|
|
|
|
return params
|
|
end
|
|
|
|
def generate_thumbnails(json, id)
|
|
json.array do
|
|
VIDEO_THUMBNAILS.each do |thumbnail|
|
|
json.object do
|
|
json.field "quality", thumbnail[:name]
|
|
json.field "url", "https://#{thumbnail[:host]}/vi/#{id}/#{thumbnail["url"]}.jpg"
|
|
json.field "width", thumbnail[:width]
|
|
json.field "height", thumbnail[:height]
|
|
end
|
|
end
|
|
end
|
|
end
|