File size: 1,847 Bytes
5193146 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | import { utilitiesInstance } from "./Utilities.js";
export function isElementVideo(element) {
return element && element.tagName === 'VIDEO';
}
export async function toggleVideoPlayback(video) {
if (!video.pause || !video.play || !('paused' in video)) { return; }
if (video.paused) {
await video.play();
} else {
video.pause();
}
};
export function toggleVideoMute(video) {
if ('muted' in video) {
video.muted = !video.muted;
}
}
export function setVideoVolume(video, percentage) {
video.volume = utilitiesInstance.clamp(percentage / 100, 0.0, 1.0); // Slider is 1-100, volume is 0-1
}
export function toggleVideoFullscreen(video) {
if (!document.fullscreenElement) {
video.requestFullscreen();
} else {
document.exitFullscreen();
}
}
export function setVideoPlaybackRate(video, rate) {
video.playbackRate = utilitiesInstance.clamp(rate, 0.05, 100.00);
}
export function seekVideo(video, delta) {
if (!video.duration || !video.currentTime) { return; }
const maxTime = video.duration;
const currentTime = video.currentTime;
const seekStep = utilitiesInstance.clamp(maxTime / 100, 1, 10); // Seek multiplier: 1 sec min / 1% of video / 10 sec max
let newTime = currentTime + (delta * seekStep);
newTime = utilitiesInstance.clamp(newTime, 0, maxTime); // utilitiesInstance.clamp within valid range
video.currentTime = newTime; // Seek the video to the new time
};
export function onScrollVideo(video, event, bInvertWheelSeek) {
event.preventDefault(); // Prevent default scroll behavior
// Determine the scroll direction (positive or negative)
let scrollDelta = Math.sign(event.deltaY); // -1 for up, 1 for down
if (bInvertWheelSeek) {
scrollDelta *= -1;
}
seekVideo(video, scrollDelta);
} |