Fixes audio playback issues on Prime Video for iOS Safari by spoofing UA and triggering AudioContext
// ==UserScript==
// @name Prime Video iOS Safari Audio Fix
// @name:ja Prime Video 音声再生修正スクリプト（iOS Safari用）
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Fixes audio playback issues on Prime Video for iOS Safari by spoofing UA and triggering AudioContext
// @description:ja iOS SafariでPrime Videoの音声が再生されない問題を回避するため、ユーザーエージェントの偽装とAudioContextの起動を行います。
// @match https://www.primevideo.com/*
// @match https://www.amazon.co.jp/*
// @run-at document-start
// ==/UserScript==
(() => {
'use strict';
// UA偽装（Mac Safari風）
const ua = {
userAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 13_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15",
platform: "MacIntel",
vendor: "Apple Computer, Inc.",
maxTouchPoints: 1
};
Object.entries(ua).forEach(([k,v]) =>
Object.defineProperty(navigator, k, { get: () => v, configurable: true })
);
// タッチイベント模倣（iOS用）
window.addEventListener("load", () => {
document.body.dispatchEvent(new TouchEvent('touchend', { bubbles: true }));
});
// AudioContextトリガー
function triggerAudio() {
try {
const ctx = new AudioContext();
const osc = ctx.createOscillator();
const gain = ctx.createGain();
gain.gain.value = 0;
osc.connect(gain).connect(ctx.destination);
osc.start(); osc.stop(ctx.currentTime + 0.05);
} catch {}
}
window.addEventListener("DOMContentLoaded", triggerAudio);
new MutationObserver((muts, obs) => {
if (document.querySelector('video')) {
triggerAudio();
obs.disconnect();
}
}).observe(document.documentElement, { childList: true, subtree: true });
})();