クラス: MediaInformation
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最終更新日 2025-07-25 UTC。
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-25 UTC。"],[[["\u003cp\u003e\u003ccode\u003eMediaInformation\u003c/code\u003e objects represent media content and metadata like title, duration, content URL, and stream type.\u003c/p\u003e\n"],["\u003cp\u003eThey include details about ad breaks, text tracks, user actions (like/dislike), and custom application-specific data.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003econtentId\u003c/code\u003e or \u003ccode\u003econtentUrl\u003c/code\u003e property identifies the media, while \u003ccode\u003emetadata\u003c/code\u003e holds descriptive information.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003estreamType\u003c/code\u003e distinguishes between buffered, live, or other stream types, with \u003ccode\u003eduration\u003c/code\u003e applying to buffered content.\u003c/p\u003e\n"],["\u003cp\u003eFor live streams, \u003ccode\u003estartAbsoluteTime\u003c/code\u003e provides the Epoch time of the event or seekable range start.\u003c/p\u003e\n"]]],["`MediaInformation` represents details about media content. Key properties include `contentId` and `contentUrl` for the media's location, and `contentType` specifying its MIME type. It holds `breaks` and `breakClips` for ad breaks, `duration` for the media's length, and `streamType` indicating live or other formats. `metadata` provides media details. Optional properties like `tracks`, `textTrackStyle`, `userActionStates`, `vmapAdsRequest` and `customData` are also available.\n"],null,["cast.[framework](/cast/docs/reference/web_receiver/cast.framework).[messages](/cast/docs/reference/web_receiver/cast.framework.messages).MediaInformation \nclass static\n\nRepresents the media information.\n\nConstructor\n\nMediaInformation\n\nnew\nMediaInformation()\n\nProperties\n\nbreakClips\n\n(non-null Array of non-null [cast.framework.messages.BreakClip](/cast/docs/reference/web_receiver/cast.framework.messages.BreakClip) or undefined)\n\nA partial list of break clips that includes the currently-playing break\nclip as well as some of the following clips.\nThe reason for sending a partial list instead of the complete list is to\navoid generating an overflow of `MediaStatus` messages.\n\nbreaks\n\n(non-null Array of non-null [cast.framework.messages.Break](/cast/docs/reference/web_receiver/cast.framework.messages.Break) or undefined)\n\nList of breaks.\n\ncontentId\n\nstring\n\nTypically the URL of the media.\n\ncontentType\n\nstring\n\nThe content MIME type.\n\ncontentUrl\n\n(string or undefined)\n\nOptional media URL, to allow using `contentId` for the actual ID.\nIf `contentUrl` is provided, it is used as the media URL, otherwise\nthe `contentId` is used as the media URL.\n\ncustomData\n\n(non-null Object or undefined)\n\nApplication-specific media information.\n\nduration\n\n(number or undefined)\n\nThe media duration. Set to `-1` if `streamType` is set to `LIVE`.\n\nentity\n\n(string or undefined)\n\nOptional Google Assistant deep link to a media entity.\n\nhlsSegmentFormat\n\n(non-null [cast.framework.messages.HlsSegmentFormat](/cast/docs/reference/web_receiver/cast.framework.messages#.HlsSegmentFormat) or undefined)\n\nThe format of the HLS audio segment. Only required for HLS content\nplayback using MPL.\n\nhlsVideoSegmentFormat\n\n(non-null [cast.framework.messages.HlsVideoSegmentFormat](/cast/docs/reference/web_receiver/cast.framework.messages#.HlsVideoSegmentFormat) or undefined)\n\nThe format of the HLS video segment. Only required for HLS content\nplayback using MPL.\n\nmediaCategory\n\n(non-null [cast.framework.messages.MediaCategory](/cast/docs/reference/web_receiver/cast.framework.messages#.MediaCategory) or undefined)\n\nThe media category (audio, video, picture).\n\nmetadata\n\n(non-null [cast.framework.messages.MediaMetadata](/cast/docs/reference/web_receiver/cast.framework.messages.MediaMetadata), non-null Object, or undefined)\n\nThe media metadata.\n\nstartAbsoluteTime\n\n(number or undefined)\n\nProvides the absolute time (Epoch Unix time in seconds) for live streams.\nFor a live event, it is the time the event started, otherwise\nit is the start of the seekable range when the streaming started.\n\nstreamType\n\nnon-null [cast.framework.messages.StreamType](/cast/docs/reference/web_receiver/cast.framework.messages#.StreamType)\n\nThe stream type.\n\ntextTrackStyle\n\n(non-null [cast.framework.messages.TextTrackStyle](/cast/docs/reference/web_receiver/cast.framework.messages.TextTrackStyle) or undefined)\n\nThe style of text track.\n\ntracks\n\n(non-null Array of non-null [cast.framework.messages.Track](/cast/docs/reference/web_receiver/cast.framework.messages.Track) or undefined)\n\nThe media tracks.\n\nuserActionStates\n\n(non-null Array of non-null [cast.framework.messages.UserActionState](/cast/docs/reference/web_receiver/cast.framework.messages.UserActionState) or undefined)\n\nIndicates the user action state for media.\nIndicate user like, dislike, or follow actions for the media.\n\nvmapAdsRequest\n\n(non-null [cast.framework.messages.VastAdsRequest](/cast/docs/reference/web_receiver/cast.framework.messages.VastAdsRequest) or undefined)\n\nVMAP ad request configuration.\nUsed if breaks and breakClips are not provided.\nThis field is not included in MediaStatus messages to avoid overflow."]]
