[null,null,["最后更新时间 (UTC)：2025-07-25。"],[[["\u003cp\u003e\u003ccode\u003ecast.framework.stats.TrackChoice\u003c/code\u003e interface represents a player track selection with properties indicating bandwidth, adaptation source, timestamp, and track type.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ebandwidth\u003c/code\u003e property applies to chosen tracks, excluding text tracks, while \u003ccode\u003efromAdaptation\u003c/code\u003e specifies if the choice was made by the player's algorithm or the application.\u003c/p\u003e\n"],["\u003cp\u003eTimestamp indicates when the state was entered, and \u003ccode\u003etype\u003c/code\u003e clarifies whether the selected track is a 'variant' (combined audio/video stream) or 'text'.\u003c/p\u003e\n"]]],[],null,["# Interface: TrackChoice\n\ncast.[framework](/cast/docs/reference/web_receiver/cast.framework).stats.TrackChoice\n====================================================================================\n\ninterface static\n\nRepresents a player track selection.\n\nProperties\n----------\n\n### bandwidth\n\nnumber\n\nThe bandwidth of the chosen track (null when 'type' is 'text').\n\n### fromAdaptation\n\nboolean\n\nThe presentation's max segment duration in seconds, or NaN.\nThis is currently only supported while using Shaka.\n'true' if this track choice was made by the player's ABR algorithm for\nadaptation; 'false' if the choice was made by the application.\n\n### timestamp\n\nnumber\n\nThe timestamp the state was entered, in seconds since 1970 (i.e.\nDate.now() / 1000).\n\n### type\n\nstring\n\nThe type of track chosen ('variant' or 'text'). A 'variant' describes a\ncombination of an audio and video stream which could be played together.\nIt's possible to have a video/audio only variant."]]
