Function watchMedia

packages/scripts/src/projects/icourse.ts:640–664

(playbackRate: number, volume: number)

}

async function watchMedia(playbackRate: number, volume: number) {
	return new Promise<void>((resolve, reject) => {
		// 部分用户视频加载很慢，这里等待一下
		waitForMedia()
			.then((video) => {
				video.playbackRate = playbackRate;
				video.volume = volume;

				state.currentMedia = video;

				playMedia(() => video?.play());

				video.onpause = async () => {
					if (!video?.ended) {
						video?.play();
					}
				};

				video.onended = () => {
					resolve();
				};
			})
			.catch(reject);
	});
}

async function readPPT(remotePage: RemotePage, readSpeed: number) {
	const reader = document.querySelector('.ux-pdf-reader');