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Newly available
cancelVideoFrameCallback()
㯠HTMLVideoElement
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¡ã½ããã§ã以åç»é²ãããæ åãã¬ã¼ã ã³ã¼ã«ããã¯ãåãæ¶ãã¾ãã
cancelVideoFrameCallback(id)
弿°
id
æ°å¤ã§ãåãæ¶ããã¨ãã¦ããæ åãã¬ã¼ã ã³ã¼ã«ããã¯ã® ID ã表ãã¾ããããã¯ã対å¿ãã HTMLVideoElement.requestVideoFrameCallback
å¼ã³åºãã«ãã£ã¦è¿ãããå¤ã§ãã
ãªã (undefined
)ã
ãã®ä¾ã§ã¯ã以åã«ç»é²ããæ åãã¬ã¼ã ã³ã¼ã«ããã¯ãåãæ¶ãããã«ãcancelVideoFrameCallback()
ã使ç¨ããæ¹æ³ã示ãã¦ãã¾ãã
const updateCanvas = (now, metadata) => {
// ãã¬ã¼ã ã§ä½ããè¡ã
// ...
// 次ã®ãã¬ã¼ã ã§åä½ããããã«ã³ã¼ã«ããã¯ãåç»é²ãã
// åç»ã³ã¼ã«ãã㯠ID ãå復å¦çãããã¨ã«æ´æ°ãããã¨ãéè¦
// ãããããã¨ã§ãã³ã¼ã«ããã¯ãæ£å¸¸ã«åãæ¶ããã¨ãã§ãã
videoCallbackId = video.requestVideoFrameCallback(updateCanvas);
};
// æåã®ãã¬ã¼ã ã§å®è¡ããã³ã¼ã«ããã¯ã®åæç»é²
let videoCallbackId = video.requestVideoFrameCallback(updateCanvas);
// ...
// ææ°ã® videoCallbackId ã使ç¨ãã¦æ åãã¬ã¼ã ã³ã¼ã«ããã¯ããã£ã³ã»ã«ãã
video.cancelVideoFrameCallback(videoCallbackId);
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