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web/libav: disable wasm multithreading on old ios
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wukko 2025-06-19 23:58:30 +06:00
parent fef6ee1a17
commit 4da95e0a2b
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1 changed files with 7 additions and 1 deletions
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web/src/lib/libav.ts
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@ -5,6 +5,12 @@ import EncodeLibAV from "@imput/libav.js-encode-cli";
import type { FfprobeData } from "fluent-ffmpeg";
import type { FFmpegProgressCallback, FFmpegProgressEvent, FFmpegProgressStatus, RenderParams } from "$lib/types/libav";
const ua = navigator.userAgent.toLowerCase();
const iPhone = ua.includes("iphone os");
const iPad = !iPhone && ua.includes("mac os") && navigator.maxTouchPoints > 0;
const iOS = iPhone || iPad;
const modernIOS = iOS && Number(ua.match(/iphone os (\d+)_/)?.[1]) >= 18;
export default class LibAVWrapper {
libav: Promise<LibAVInstance> | null;
concurrency: number;
@ -32,7 +38,7 @@ export default class LibAVWrapper {
this.libav = constructor({
...options,
variant: undefined,
yesthreads: true,
yesthreads: !iOS || modernIOS,
base: '/_libav'
});
}