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feat: migrate to JASSUB

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This commit is contained in:
ThaUnknown 2023-02-15 15:42:23 +01:00
parent c92bc15a43
commit 6f0a8631af
4 changed files with 60 additions and 49 deletions
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59
src/plugins/htmlVideoPlayer/plugin.js
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@ -198,7 +198,7 @@ function tryRemoveElement(elem) {
/**
* @type {any | null | undefined}
*/
#currentSubtitlesOctopus;
#currentJASSUB;
/**
* @type {null | undefined}
*/
@ -530,9 +530,9 @@ function tryRemoveElement(elem) {
const offsetValue = parseFloat(offset);
// if .ass currently rendering
if (this.#currentSubtitlesOctopus) {
if (this.#currentJASSUB) {
this.updateCurrentTrackOffset(offsetValue);
this.#currentSubtitlesOctopus.timeOffset = (this._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000 + offsetValue;
this.#currentJASSUB.timeOffset = (this._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000 + offsetValue;
} else {
const trackElement = this.getTextTrack();
// if .vtt currently rendering
@ -837,10 +837,8 @@ function tryRemoveElement(elem) {
loading.hide();
seekOnPlaybackStart(this, e.target, this._currentPlayOptions.playerStartPositionTicks, () => {
if (this.#currentSubtitlesOctopus) {
this.#currentSubtitlesOctopus.timeOffset = (this._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000 + this.#currentTrackOffset;
this.#currentSubtitlesOctopus.resize();
this.#currentSubtitlesOctopus.resetRenderAheadCache(false);
if (this.#currentJASSUB) {
this.#currentJASSUB.timeOffset = (this._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000 + this.#currentTrackOffset;
}
});
@ -980,11 +978,11 @@ function tryRemoveElement(elem) {
this.#currentClock = null;
this._currentAspectRatio = null;
const octopus = this.#currentSubtitlesOctopus;
if (octopus) {
octopus.dispose();
const jassub = this.#currentJASSUB;
if (jassub) {
jassub.destroy();
}
this.#currentSubtitlesOctopus = null;
this.#currentJASSUB = null;
const renderer = this.#currentAssRenderer;
if (renderer) {
@ -1066,37 +1064,30 @@ function tryRemoveElement(elem) {
const fallbackFontList = apiClient.getUrl('/FallbackFont/Fonts', {
api_key: apiClient.accessToken()
});
const htmlVideoPlayer = this;
const options = {
video: videoElement,
subUrl: getTextTrackUrl(track, item),
fonts: avaliableFonts,
workerUrl: `${appRouter.baseUrl()}/libraries/subtitles-octopus-worker.js`,
legacyWorkerUrl: `${appRouter.baseUrl()}/libraries/subtitles-octopus-worker-legacy.js`,
onError() {
// HACK: Clear JavascriptSubtitlesOctopus: it gets disposed when an error occurs
htmlVideoPlayer.#currentSubtitlesOctopus = null;
// HACK: Give JavascriptSubtitlesOctopus time to dispose itself
setTimeout(() => {
onErrorInternal(htmlVideoPlayer, 'mediadecodeerror');
}, 0);
},
workerUrl: `${appRouter.baseUrl()}/libraries/jassub-worker.js`,
legacyWorkerUrl: `${appRouter.baseUrl()}/libraries/jassub-worker-legacy.js`,
timeOffset: (this._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000,
// new octopus options; override all, even defaults
renderMode: 'wasm-blend',
// new jassub options; override all, even defaults
blendMode: 'js',
asyncRender: true,
// firefox implements offscreen canvas, but not according to spec which causes errors
offscreenRender: !browser.firefox,
onDemandRender: true,
useLocalFonts: true,
dropAllAnimations: false,
libassMemoryLimit: 40,
libassGlyphLimit: 40,
targetFps: 24,
prescaleFactor: 0.8,
prescaleHeightLimit: 1080,
maxRenderHeight: 2160,
resizeVariation: 0.2,
renderAhead: 90
maxRenderHeight: 2160
};
import('@jellyfin/libass-wasm').then(({default: SubtitlesOctopus}) => {
import('jassub').then(({ default: JASSUB }) => {
Promise.all([
apiClient.getNamedConfiguration('encoding'),
// Worker in Tizen 5 doesn't resolve relative path with async request
@ -1114,11 +1105,17 @@ function tryRemoveElement(elem) {
});
avaliableFonts.push(fontUrl);
});
this.#currentSubtitlesOctopus = new SubtitlesOctopus(options);
this.#currentJASSUB = new JASSUB(options);
});
} else {
this.#currentSubtitlesOctopus = new SubtitlesOctopus(options);
this.#currentJASSUB = new JASSUB(options);
}
this.#currentJASSUB.addEventListener('error', ()=>{
this.#currentJASSUB.destroy();
this.#currentJASSUB = null;
onErrorInternal(this, 'mediadecodeerror');
}, { once: true });
});
});
}