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HTML5快速鍵控制跳秒+速度+寬高比+截圖
// ==UserScript==
// @name HTML5快速鍵hotkeys
// @namespace https://greasyfork.org/zh-TW/users/4839-leadra
// @version 1.3.2
// @license AGPLv3
// @author jcunews
// @description HTML5快速鍵控制跳秒+速度+寬高比+截圖
// @match https://www.youtube.com/*
// @match https://ani.gamer.com.tw/*
// @match https://web.telegram.org/k/*
// @match *://*/*
// @grant none
// @run-at document-start
// @icon https://www.youtube.com/favicon.ico
// ==/UserScript==
/*
鍵盤快速鍵(大小寫通用)：
[A] = 後退 秒 1
[D] = 前進 秒 1
[←]左鍵 = 後退 秒 3
[→]右鍵 = 前進 秒 3
CTRL+[←]左鍵 = 後退 秒 30
CTRL+[→]右鍵 = 前進 秒 30
SHIFT+[←]左鍵← = 後退 秒 60
SHIFT+[→]右鍵→ = 前進 秒 60
SHIFT+[A] = 後退 秒 30
SHIFT+[D] = 前進 秒 30
SHIFT+Alt+[A] = 後退 秒 99999
SHIFT+Alt+[D] = 前進 秒 99999
CTRL+[,] = 後退 秒 1/30
CTRL+[.] = 前進 秒 1/30
SHIFT+[0] ~ [9] = 跳至 5%、15%、25%...95%
Alt+[1] ~ [0] = 將音量改為 10%、20%...90%、0%
Alt+[`] = 將音量改為 5%
[-],[Z] = 速度 -0.2 倍(預設)
[+],[X] = 速度 +0.2 倍(預設)
SHIFT+[X] = 速度 +1 倍
[*],[C],SHIFT+[Z] = 速度復原
CTRL+['] = 更改預設速度
CTRL+[\] = 更改速度倍率
SHIFT+[S] = 截圖(JPG可改)
對於寬螢幕視窗：
CTRL+6 = 變更寬螢幕內容的影片寬高比。 修正寬螢幕內容縮小為 4:3 電視格式的問題。
CTRL+7 = 更改內容的影片寬高比。 修正 4:3 內容拉伸為寬螢幕格式的問題。
CTRL+8 = 更改內容的影片寬高比。 修正 4:3 內容拉伸為寬螢幕格式的問題。
對於 4:3 視窗：
CTRL+SHIFT+6 = 變更超寬螢幕內容的影片寬高比。 修正壓縮為 4:3 電視格式的超寬螢幕內容。
CTRL+SHIFT+7 = 縮放 4:3 信箱內容以刪除頂部+底部邊框的一半，同時也刪除一點左側+右側的內容。(這也可用於在寬螢幕視窗上半縮放超寬螢幕內容。 即 CTRL+6 的半縮放。)
CTRL+SHIFT+8 = 變更寬螢幕內容的影片寬高比。 修正壓縮為 4:3 電視格式的寬螢幕內容。
對於任何視窗：
CTRL+9 = 重置影片寬高比
*/
((eleOSD, osdTimer) => {
var forceMediaSeekOnArrowKeyDomains = new RegExp(`
www.alibaba.com *.aliexpress.com *.amazon.com
www.facebook.com
www.tiktok.com
`.trim().split(/\s+/).map(
s => "^" + s.replace(/([\$\^\(\)\+\[\]\{\}\|\\\?])/gi, "\\$1").replace(/\*/gi, "[^\.]+") + "$"
).join("|"), "i");
//速度倍率
var incrementUnit = 0.2;
//變更播放速率時螢幕右下提示 (OSD) 的持續時間(以毫秒為單位)。 設定為零或更少以停用。
var osdTimeout = 500;
//截圖格式jpeg, png
var imageFormat = "jpeg";
//鍵盤快速鍵。
// 每個鍵名可以是該鍵產生的字元(例如 'a'、'4'、'*' 等)，
// 例如 'Digit2'、'BracketLeft' 等兩種類型都區分大小寫。
//修飾符 = "C"、"S"和"A"的任意組合，大小寫通用，用於 Ctrl、Shift 和 Alt 鍵。
//caseSensitive = `true` 如果鍵名區分大小寫。如果省略，則預設不區分大小寫。
var keys = [
/*{ //0 to 9: 跳到 0%,10%,20%,...90%
key: ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"], modifiers: "",
func: (ele, key, keyIndex) => ele.currentTime = keyIndex / 10 * ele.duration
},*/
{ //shift+0 to shift+9: 跳到 5%,15%,25%,...95%
key: [")", "!", "@", "#", "$", "%", "^", "&", "*", "("], modifiers: "SA",
func: (ele, key, keyIndex) => ele.currentTime = (keyIndex + 0.5) / 10 * ele.duration
},
{ //Alt+1~Alt+0 = 將音量改為 10%、20%...90%、0%
key: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"], modifiers: "A",
func: (ele, key, keyIndex) => updAudioVolume(ele, (parseInt(key) * 1) / 10)
},
{ //Alt+` = 將音量改為 5%
key: ["`"], modifiers: "A",
func: (ele, key, keyIndex) => updAudioVolume(ele, 0.05)
},
//前進後退
{ //left: rewind media by 5 seconds. if forceMediaSeekOnArrowKeyDomains matches
key: (forceMediaSeekOnArrowKeyDomains.test(location.hostname) && "ArrowLeft") || "", modifiers: "",
func: (ele, key) => ele.currentTime -= 5
},
{ //right: fast forward media by 5 seconds. if forceMediaSeekOnArrowKeyDomains matches
key: (forceMediaSeekOnArrowKeyDomains.test(location.hostname) && "ArrowRight") || "", modifiers: "",
func: (ele, key) => ele.currentTime += 5
},
{
key: ["a"], modifiers: "",
func: (ele, key) => ele.currentTime -= 1
},
{
key: ["d"], modifiers: "",
func: (ele, key) => ele.currentTime += 1
},
{
key: "ArrowLeft", modifiers: "",
func: (ele, key) => ele.currentTime -= 3
},
{
key: "ArrowRight", modifiers: "",
func: (ele, key) => ele.currentTime += 3
},
{
key: "ArrowLeft", modifiers: "C",
func: (ele, key) => ele.currentTime -= 30
},
{
key: "ArrowRight", modifiers: "C",
func: (ele, key) => ele.currentTime += 30
},
{
key: "ArrowLeft", modifiers: "S",
func: (ele, key) => ele.currentTime -= 60
},
{
key: "ArrowRight", modifiers: "S",
func: (ele, key) => ele.currentTime += 60
},
{
key: ["a"], modifiers: "S",
func: (ele, key) => ele.currentTime -= 30
},
{
key: ["d"], modifiers: "S",
func: (ele, key) => ele.currentTime += 30
},
{
key: ["a"], modifiers: "SA",
func: (ele, key) => ele.currentTime -= 99999
},
{
key: ["d"], modifiers: "SA",
func: (ele, key) => ele.currentTime += 99999
},
{
key: ",", modifiers: "C",
func: (ele, key) => ele.currentTime -= 1/30
},
{
key: ".", modifiers: "C",
func: (ele, key) => ele.currentTime += 1/30
},
//速度-
{
key: ["z","-"], modifiers: "",
func: (ele, key) => {
key = ele.playbackRate - incrementUnit;
if (key < 0.1) {
key = 0.1;
} else if ((key < 1) && (ele.playbackRate > 1)) key = 1;
updVideoSpeed(ele, key);
}
},
//速度+
{
key: ["x","+"], modifiers: "",
func: (ele, key) => {
key = ele.playbackRate + incrementUnit;
if (key > 16) {
key = 16;
} else if ((key > 1) && (ele.playbackRate < 1)) key = 1;
updVideoSpeed(ele, key);
}
},
//速度+1X
{
key: ["x"], modifiers: "S",
func: (ele, key) => {
key = ele.playbackRate + incrementUnit ;
if (key > 16) {
key = 16;
} else if ((key > 1) && (ele.playbackRate < 1)) key = 1;
updVideoSpeed(ele, key);
key = ele.playbackRate + incrementUnit ;
updVideoSpeed(ele, key);
key = ele.playbackRate + incrementUnit ;
updVideoSpeed(ele, key);
key = ele.playbackRate + incrementUnit ;
updVideoSpeed(ele, key);
key = ele.playbackRate + incrementUnit ;
updVideoSpeed(ele, key);
}
},
//速度復原1x
{
key: ["c","*"], modifiers: "",
func: (ele, key) => {updVideoSpeed(ele, 1)}
},
{
key: ["z"], modifiers: "S",
func: (ele, key) => {updVideoSpeed(ele, 1)}
},
//ctrl+': 更改預設速度
{
key: "'", modifiers: "C",
func: (ele, key) => {
if ((key = prompt("Enter media speed from 0.1 to 16 (inclusive).\ne.g.: 1 = Normal, 0.5 = Half, 2 = Double, 3 = Triple, etc.", ele.playbackRate)) === null) return;
if (isNaN(key = parseFloat(key.trim()))) {
alert("Input must be a number.");
return;
}
updVideoSpeed(ele, (key = parseFloat(key.toFixed(1))) < 0.1 ? 0.1 : (key > 16 ? 16 : key));
}
},
//ctrl+\: 更改速度倍率
{
key: "\\", modifiers: "C",
func: (ele, key) => {
if ((key = prompt("Enter unit of media speed increment/decrement from 0.1 to 4 (inclusive).", incrementUnit)) === null) return;
if (!isNaN(key = parseFloat(key.trim()))) {
incrementUnit = (key = parseFloat(key.toFixed(1))) < 0.1 ? 0.1 : (key > 4 ? 4 : key);
} else alert("Input must be a number.");
}
},
//截圖screenshot
{
key: ["S"], modifiers: "S", videoOnly: true,
func: (ele, key) => screenshot()
},
//對於寬螢幕視窗ctrl+6.7.8
{
key: "6", modifiers: "C", videoOnly: true,
func: (ele, key) => updVideoAspect("scaleX(1.3333)", "Widescreen")
},
{
key: "7", modifiers: "C", videoOnly: true,
func: (ele, key) => updVideoAspect("scaleY(1.3333)", "Letterbox")
},
{
key: "8", modifiers: "C", videoOnly: true,
func: (ele, key) => updVideoAspect("scaleX(0.75)", "TV")
},
//對於 4:3 視窗CTRL+SHIFT+6.7.8
{
key: "Digit6", modifiers: "CS", videoOnly: true,
func: (ele, key) => updVideoAspect("scaleY(0.7168)", "Ultra Widescreen")
},
{
key: "Digit7", modifiers: "CS", videoOnly: true,
func: (ele, key) => updVideoAspect("scale(1.1666)", "Letterbox Half-Zoom")
},
{
key: "Digit8", modifiers: "CS", videoOnly: true,
func: (ele, key) => updVideoAspect("scaleY(0.5625)", "Widescreen On TV")
},
//CTRL+9 = 重置影片寬高比
{
key: "9", modifiers: "C", videoOnly: true,
func: (ele, key) => updVideoAspect("", "Reset")
}
];
keys.forEach((k, s, m) => {
if ((k.modifiers === undefined) || !k.modifiers.toUpperCase) k.modifiers = "";
s = k.modifiers.toUpperCase();
k.modifiers = {ctrl: s.includes("C"), shift: s.includes("S"), alt: s.includes("A")}
});
//截圖設定
function screenshot(ele, cv) {
if (ele = document.querySelector("video")) {
cv = document.createElement("CANVAS");
if (cv.width = ele.videoWidth) {
cv.height = ele.videoHeight;
cv.getContext("2d").drawImage(ele, 0, 0);
ele = document.createElement("A");
ele.href = cv.toDataURL("image/" + imageFormat);
const VideoElement = document.querySelector('video');
const CurrentTime = VideoElement.currentTime;
const Hours = Math.floor(CurrentTime / 3600);
const Minutes = Math.floor((CurrentTime % 3600) / 60);
const Seconds = Math.floor(CurrentTime % 60);
const FormattedTime = `${Hours.toString().padStart(2, '0')}h${Minutes.toString().padStart(2, '0')}m${Seconds.toString().padStart(2, '0')}s`;
ele.download = document.title + `-${FormattedTime}.${imageFormat === "jpeg" ? "jpg" : imageFormat}`;//
ele.style.visibility = "hidden";
document.body.appendChild(ele).click();
ele.remove();
return;
} else {
alert("The HTML5 video media has not been loaded yet.");
}
} else {
alert("There is no HTML5 video on this page.");
}
};
var to = {createHTML: s => s}, tp = window.trustedTypes?.createPolicy ? trustedTypes.createPolicy("", to) : to, html = s => tp.createHTML(s);
//提示框
function showOSD(s) {
if (osdTimeout < 0) return;
if (eleOSD) {
eleOSD.textContent = s;
} else {
eleOSD = document.createElement("DIV");
eleOSD.style.cssText = "position:fixed;z-index:999999999;right:.5rem;bottom:.5rem;margin:0;padding:.2rem .5rem .1rem .5rem;width:auto;height:auto;font:normal 16pt/normal sans-serif;background:#444;color:#fff";
eleOSD.textContent = s;
document.body.appendChild(eleOSD);
}
clearTimeout(osdTimer);
osdTimer = setTimeout(() => {
eleOSD.remove();
eleOSD = null;
}, osdTimeout);
}
function stopEvent(ev) {
ev.preventDefault();
ev.stopPropagation();
ev.stopImmediatePropagation();
}
function updVideoSpeed(ele, spd, e) {
// if ((location.hostname === "www.youtube.com") && (e = ele.parentNode.parentNode).setPlaybackRate && (spd >= 0.25) && (spd <= 2)) {
// e.setPlaybackRate(spd = parseFloat(spd.toFixed(1)));
// } else ele.playbackRate = spd = parseFloat(spd.toFixed(1));
ele.playbackRate = spd = parseFloat(spd.toFixed(1));
showOSD("Speed " + spd + "x");
}
function updVideoAspect(asp, label, s) {
if (!(s = document.getElementById("vidAspOvr"))) document.body.appendChild(s = document.createElement("STYLE")).id = "vidAspOvr";
s.innerHTML = html(asp ? `video{transform:${asp}!important}` : "");
showOSD("Ratio: " + label);
}
function updAudioVolume(ele, vol, e) {
if ((location.hostname === "www.youtube.com") && (e = ele.parentNode.parentNode).setVolume) {
e.setVolume(vol * 100);
} else ele.volume = vol;
showOSD("Audio " + (vol * 100) + "%");
}
function isVisible(ele) {
while (ele && ele.tagName) {
if (getComputedStyle(ele).display === "none") return false;
ele = ele.parentNode
}
return true
}
incrementUnit = parseFloat((incrementUnit < 0.1 ? 0.1 : (incrementUnit > 1 ? 1 : incrementUnit)).toFixed(1));
addEventListener("keydown", function(ev, ele, evkey, evcode, kkey) {
if (
(!(ele = document.activeElement) || !((ele.contentEditable === "true") || ["INPUT", "SELECT", "TEXTAREA"].includes(ele.tagName))) &&
(ele = Array.prototype.find.call(document.querySelectorAll("video,audio"), e => !isNaN(e.duration)))
) {
keys.some((k, a, i) => {
a = !!k.key.sort;
evkey = k.caseSensitive ? ev.key : ev.key.toUpperCase();
evcode = k.caseSensitive ? ev.code : ev.code.toUpperCase();
kkey = k.caseSensitive ? k.key : (a ? k.key.map(s => s.toUpperCase()) : k.key.toUpperCase());
if (
((!a && ((kkey === evcode) || (kkey === evkey))) || (a && (((i = kkey.indexOf(evcode)) >= 0) || ((i = kkey.indexOf(evkey)) >= 0)))) &&
(k.modifiers.ctrl === ev.ctrlKey) && (k.modifiers.shift === ev.shiftKey) && (k.modifiers.alt === ev.altKey) &&
(!k.videoOnly || (ele.tagName === "VIDEO")) && (isVisible(ele) || (ele.tagName === "AUDIO"))
) {
stopEvent(ev);
k.func?.(ele, evkey, a ? i : null, k);
return true;
}
});
}
}, true);
})();