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Improve precision of skips on both chromium and firefox

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< 5ms in my testing
This commit is contained in:
Ajay
2022-02-08 15:46:38 -05:00
parent 2e8ce93c1d
commit 4cc248eb17
1 changed files with 28 additions and 4 deletions
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32
src/content.ts
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@@ -45,6 +45,7 @@ let lockedCategories: Category[] = [];
// Skips are rescheduled every seeking event.
// Skips are canceled every seeking event
let currentSkipSchedule: NodeJS.Timeout = null;
let currentSkipInterval: NodeJS.Timeout = null;
/** Has the sponsor been skipped */
let sponsorSkipped: boolean[] = [];
@@ -427,9 +428,13 @@ function videoOnReadyListener(): void {
function cancelSponsorSchedule(): void {
if (currentSkipSchedule !== null) {
clearTimeout(currentSkipSchedule);
currentSkipSchedule = null;
}
if (currentSkipInterval !== null) {
clearInterval(currentSkipInterval);
currentSkipInterval = null;
}
}
/**
@@ -491,14 +496,17 @@ function startSponsorSchedule(includeIntersectingSegments = false, currentTime?:
// Don't skip if this category should not be skipped
if (!shouldSkip(currentSkip) && !sponsorTimesSubmitting?.some((segment) => segment.segment === currentSkip.segment)) return;
const skippingFunction = () => {
const skippingFunction = (forceVideoTime?: number) => {
let forcedSkipTime: number = null;
let forcedIncludeIntersectingSegments = false;
let forcedIncludeNonIntersectingSegments = true;
if (incorrectVideoCheck(videoID, currentSkip)) return;
forceVideoTime ||= video.currentTime;
if (video.currentTime >= skipTime[0] && video.currentTime < skipTime[1]) {
console.log(video.currentTime + "\t" + forceVideoTime + "\t" + skipTime[0] + "\t" + (video.currentTime - skipTime[0]) * 1000 + "\t" + (forceVideoTime - skipTime[0]) * 1000);
if (forceVideoTime >= skipTime[0] && forceVideoTime < skipTime[1]) {
skipToTime({
v: video,
skipTime,
@@ -522,7 +530,23 @@ function startSponsorSchedule(includeIntersectingSegments = false, currentTime?:
if (timeUntilSponsor <= 0) {
skippingFunction();
} else {
currentSkipSchedule = setTimeout(skippingFunction, timeUntilSponsor * 1000 * (1 / video.playbackRate));
const delayTime = timeUntilSponsor * 1000 * (1 / video.playbackRate);
if (delayTime < 300 && utils.isFirefox()) {
// For Firefox, use interval instead of timeout near the end to combat imprecise video time
const startIntervalTime = Date.now();
const startVideoTime = video.currentTime;
currentSkipInterval = setInterval(() => {
const intervalDuration = Date.now() - startIntervalTime;
console.log(startVideoTime + intervalDuration / 1000)
if (intervalDuration >= delayTime) {
clearInterval(currentSkipInterval);
skippingFunction(startVideoTime + intervalDuration / 1000);
}
}, 5);
} else {
// Schedule for right before to be more precise than normal timeout
currentSkipSchedule = setTimeout(skippingFunction, Math.max(0, delayTime - 30));
}
}
}