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视频增强插件：手动增强、跨域安全、Lucide图标、美化控制条、音量调节、进度条、iframe支持、键盘快捷键等。
// ==UserScript==
// @name VideoControlReset
// @namespace http://greasyfork.icu/
// @version 1.0
// @description 视频增强插件：手动增强、跨域安全、Lucide图标、美化控制条、音量调节、进度条、iframe支持、键盘快捷键等。
// @author DM
// @match *://*/*
// @grant none
// ==/UserScript==
(function () {
'use strict';
console.log("[🎬 Video Enhancer] 脚本加载成功 ✅");
/*** 引入 Lucide 图标库 ***/
const ICON_URL = "https://unpkg.com/lucide@latest/dist/umd/lucide.js";
if (!window.lucide) {
const script = document.createElement("script");
script.src = ICON_URL;
script.onload = () => window.lucide.createIcons();
document.head.appendChild(script);
}
/** 样式 **/
const style = document.createElement("style");
style.textContent = `
.ve-enhance-btn-box {
position: absolute;
top: 8px;
right: 8px;
display: flex;
gap: 6px;
z-index: 999999;
}
.ve-btn {
border: none;
background: rgba(0,0,0,0.5);
color: #fff;
border-radius: 8px;
cursor: pointer;
padding: 6px;
display: flex;
align-items: center;
transition: all .2s ease;
}
.ve-btn:hover {
background: rgba(0,0,0,0.8);
transform: scale(1.15);
}
.ve-bar {
position: absolute;
left: 50%;
bottom: 12px;
transform: translateX(-50%);
display: flex;
align-items: center;
gap: 10px;
background: rgba(0,0,0,0.45);
padding: 8px 14px;
border-radius: 20px;
backdrop-filter: blur(6px);
opacity: 0;
transition: opacity 0.3s ease;
z-index: 999999;
}
.video-wrapper:hover .ve-bar {
opacity: 1;
}
.ve-progress {
width: 160px;
height: 5px;
background: rgba(255,255,255,0.3);
border-radius: 3px;
cursor: pointer;
position: relative;
overflow: hidden;
}
.ve-progress-inner {
height: 100%;
width: 0%;
background: linear-gradient(90deg,#4fc3f7,#81c784,#f06292);
border-radius: 3px;
transition: width 0.1s linear;
}
.ve-volume { width: 80px; }
`;
document.head.appendChild(style);
/** 工具函数 **/
const createIcon = (name, size = 20) => {
const i = document.createElement("i");
i.dataset.lucide = name;
i.style.width = `${size}px`;
i.style.height = `${size}px`;
return i;
};
const createButton = (icon, title, onClick) => {
const btn = document.createElement("button");
btn.className = "ve-btn";
btn.title = title;
btn.appendChild(createIcon(icon));
btn.onclick = onClick;
return btn;
};
/** 截图功能 **/
function captureFrame(video) {
const canvas = document.createElement("canvas");
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
canvas.getContext("2d").drawImage(video, 0, 0);
const link = document.createElement("a");
link.href = canvas.toDataURL("image/png");
link.download = "screenshot.png";
link.click();
}
/** 增强核心函数 **/
function enhanceVideo(video) {
if (video.dataset.enhanced) return;
video.dataset.enhanced = "true";
const wrapper = video.parentElement;
wrapper.classList.add("video-wrapper");
const bar = document.createElement("div");
bar.className = "ve-bar";
const playBtn = createButton("play", "播放/暂停", () => {
video.paused ? video.play() : video.pause();
});
const backBtn = createButton("rewind", "后退5秒", () => video.currentTime -= 5);
const forwardBtn = createButton("fast-forward", "前进5秒", () => video.currentTime += 5);
const speedBtn = createButton("gauge", "倍速切换", () => {
const speeds = [1, 1.25, 1.5, 2];
const next = speeds[(speeds.indexOf(video.playbackRate) + 1) % speeds.length];
video.playbackRate = next;
speedBtn.title = `倍速：${next}x`;
});
const pipBtn = createButton("monitor-up", "画中画", () => video.requestPictureInPicture());
const fsBtn = createButton("maximize", "全屏", () => video.requestFullscreen());
const shotBtn = createButton("camera", "截图", () => captureFrame(video));
// 进度条
const progress = document.createElement("div");
progress.className = "ve-progress";
const inner = document.createElement("div");
inner.className = "ve-progress-inner";
progress.appendChild(inner);
progress.onclick = (e) => {
const rect = progress.getBoundingClientRect();
const percent = (e.clientX - rect.left) / rect.width;
video.currentTime = percent * video.duration;
};
video.addEventListener("timeupdate", () => {
inner.style.width = `${(video.currentTime / video.duration) * 100}%`;
});
// 音量
const volBox = document.createElement("div");
volBox.style.display = "flex";
volBox.style.alignItems = "center";
const volIcon = createIcon("volume-2");
const volSlider = document.createElement("input");
volSlider.type = "range";
volSlider.className = "ve-volume";
volSlider.min = 0;
volSlider.max = 1;
volSlider.step = 0.05;
volSlider.value = video.volume;
volSlider.oninput = () => {
video.volume = volSlider.value;
volIcon.dataset.lucide = video.volume == 0 ? "volume-x" : "volume-2";
window.lucide && window.lucide.createIcons();
};
volBox.append(volIcon, volSlider);
[playBtn, backBtn, forwardBtn, speedBtn, pipBtn, fsBtn, shotBtn, progress, volBox].forEach(b => bar.appendChild(b));
wrapper.appendChild(bar);
// 播放状态联动
const updatePlayIcon = () => {
playBtn.firstChild.dataset.lucide = video.paused ? "play" : "pause";
window.lucide && window.lucide.createIcons();
};
video.addEventListener("play", updatePlayIcon);
video.addEventListener("pause", updatePlayIcon);
window.lucide && window.lucide.createIcons();
}
/** 添加增强/下载按钮 **/
function addEnhanceButton(video) {
if (video.dataset.hasBtn) return;
video.dataset.hasBtn = "true";
const box = document.createElement("div");
box.className = "ve-enhance-btn-box";
const enhance = createButton("sparkles", "增强视频", () => enhanceVideo(video));
const download = createButton("download", "下载视频", () => {
const a = document.createElement("a");
a.href = video.src;
a.download = "video.mp4";
a.click();
});
box.append(enhance, download);
video.parentElement.style.position = "relative";
video.parentElement.appendChild(box);
window.lucide && window.lucide.createIcons();
}
/** 扫描所有视频（支持 iframe） **/
function scanVideos(root = document) {
root.querySelectorAll("video").forEach(v => addEnhanceButton(v));
root.querySelectorAll("iframe").forEach(frame => {
try {
const doc = frame.contentDocument || frame.contentWindow.document;
if (!doc) return;
const vids = doc.querySelectorAll("video");
vids.forEach(v => addEnhanceButton(v));
} catch {
// 跨域 iframe 忽略
}
});
}
scanVideos();
/** 监听增量变化 **/
const obs = new MutationObserver(mutations => {
for (const m of mutations)
m.addedNodes.forEach(n => n.nodeType === 1 && scanVideos(n));
});
obs.observe(document.body, { childList: true, subtree: true });
})();