[null,null,["最后更新时间 (UTC)：2025-07-25。"],[[["\u003cp\u003e\u003ccode\u003ecast.framework.HlsTimedMetadata\u003c/code\u003e handles HLS timed metadata, specifically properties within the \u003ccode\u003e#EXT-X-DATERANGE\u003c/code\u003e tag, as defined in the HLS RFC.\u003c/p\u003e\n"],["\u003cp\u003eIt includes properties like \u003ccode\u003estartDate\u003c/code\u003e, \u003ccode\u003eendDate\u003c/code\u003e, \u003ccode\u003eduration\u003c/code\u003e, and various SCTE-35 related attributes for managing date ranges and content signaling.\u003c/p\u003e\n"],["\u003cp\u003eClient-defined attributes, prefixed with "X-", allow for custom metadata to be included within the timed metadata.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003erangeClass\u003c/code\u003e property enables grouping of date ranges with shared semantics for specific functionalities.\u003c/p\u003e\n"]]],["The `HlsTimedMetadata` class manages HLS timed metadata properties from the `#EXT-X-DATERANGE` tag. Key properties include `startDate` (required ISO-8601 start date), `endDate` (optional ISO-8601 end date), `duration` (optional duration in seconds), and `plannedDuration` (optional expected duration). `rangeClass` allows for custom attribute sets. Additional attributes cover client-defined data (`clientAttributes`) and SCTE-35 information (`scte35Cmd`, `scte35In`, `scte35Out`). The `endOnNext` property indicates if the range ends at the start of the next one.\n"],null,["# Class: HlsTimedMetadata\n\ncast.[framework](/cast/docs/reference/web_receiver/cast.framework).HlsTimedMetadata\n===================================================================================\n\nclass static\n\nContains HLS-specific timed metadata properties found in the #EXT-X-DATERANGE\nproperty.\nhttps://tools.ietf.org/html/draft-pantos-hls-rfc8216bis-06#section-4.4.5.1\n\nConstructor\n-----------\n\n### HlsTimedMetadata\n\nnew\nHlsTimedMetadata()\n\nProperties\n----------\n\n### clientAttributes\n\n(non-null Object or undefined)\n\nThe \"X-\" prefix defines a namespace reserved for client-defined\nattributes. The client-attribute MUST be a legal AttributeName. Clients\nSHOULD use a reverse-DNS syntax when defining their own attribute names\nto avoid collisions. The attribute value MUST be a string, a\nhexadecimal-sequence, or a decimal-floating-point. An example of a\nclient-defined attribute is X-COM-EXAMPLE-AD-ID=\"XYZ123\". These\nattributes are OPTIONAL.\n\n### duration\n\n(number or undefined)\n\nThe duration of the Date Range expressed as a decimal-floating-point\nnumber of seconds. It MUST NOT be negative. A single instant in time\n(e.g., crossing a finish line) SHOULD be represented with a duration of\n0. This attribute is OPTIONAL.\n\n### endDate\n\n(string or undefined)\n\nA string containing the ISO-8601 date at which the Date Range ends. It\nMUST be equal to or later than the value of the START-DATE attribute.\nThis attribute is OPTIONAL.\n\n### endOnNext\n\n(boolean or undefined)\n\nA boolean indicating the end of the range containing it is equal to the\nSTART-DATE of its Following Range. The Following Range is the Date Range\nof the same CLASS that has the earliest START-DATE after the START-DATE\nof the range in question. This attribute is OPTIONAL and defaults to\nfalse.\n\n### plannedDuration\n\n(number or undefined)\n\nThe expected duration of the Date Range expressed as a\ndecimal-floating-point number of seconds. It MUST NOT be negative. This\nattribute SHOULD be used to indicate the expected duration of a Date\nRange whose actual duration is not yet known. This attribute is OPTIONAL.\n\n### rangeClass\n\n(string or undefined)\n\nA client-defined string that specifies some set of attributes and their\nassociated value semantics. All Date Ranges with the same CLASS\nattribute value MUST adhere to these semantics. This attribute is\nOPTIONAL.\n\n### scte35Cmd\n\n(string or undefined)\n\nCarries SCTE-35 splice_info_section() data. This attribute is OPTIONAL.\n\n### scte35In\n\n(string or undefined)\n\nCarries SCTE-35 data splice in data. This attribute is OPTIONAL.\n\n### scte35Out\n\n(string or undefined)\n\nCarries SCTE-35 data splice out data. This attribute is OPTIONAL.\n\n### startDate\n\n(string or undefined)\n\nA string containing the ISO-8601 date at which the Date Range begins.\nThis attribute is REQUIRED."]]
