[null,null,["最后更新时间 (UTC):2025-02-24。"],[[["Clients must define canvases for each video stream to receive video, specifying resolution, frames per second (FPS), and an assignment protocol."],["Meet selects and maps \"relevant\" participant videos to available video streams based on factors like speaking, presenting, or screen sharing."],["After receiving a video assignment request, Meet sends a resource update with SSRC-to-canvas mapping, enabling clients to identify the resolution and FPS of each video stream."],["Meet manages the association between SSRC and canvas and does not assign SSRCs deterministically, meaning clients shouldn't assume a specific order of relevance."],["Clients should avoid sending excessive video assignment requests and should request only the necessary resolution to prevent throttling or requests from being ignored."]]],[]]