Copy live stream URL with a gradient button. Dropdown lists actually available qualities (HLS and FLV), including accept_qn, defaulting to the lowest. Dark-mode aware.
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// ==UserScript==
// @name Bilibili Live Master URL Copier (Simplified + accept_qn)
// @name:zh-CN Bilibili 直播流链接复制按钮（精简版 + 接受清晰度）
// @namespace https://github.com/TZFC
// @version 0.8
// @description Copy live stream URL with a gradient button. Dropdown lists actually available qualities (HLS and FLV), including accept_qn, defaulting to the lowest. Dark-mode aware.
// @description:zh-CN 一键复制直播流链接。下拉框仅显示实际可用清晰度（含 HLS 与 FLV），并包含 accept_qn，可用时默认选择最低清晰度。支持深色模式。
// @author tianzifangchen
// @match *://live.bilibili.com/*
// @icon https://www.bilibili.com/favicon.ico
// @license GPL-3.0
// @run-at document-idle
// @grant unsafeWindow
// @grant GM_setClipboard
// @grant GM_xmlhttpRequest
// @connect api.live.bilibili.com
// ==/UserScript==
(function () {
'use strict';
const qn_label_map = {
30000: '杜比',
25000: '默认',
20000: '4K',
15000: '2K',
10000: '原画',
400: '蓝光',
250: '超清',
150: '高清',
80: '流畅'
};
function wait_for_element(query_selector, timeout_ms) {
const start = Date.now();
return new Promise((resolve) => {
const timer = setInterval(() => {
const node = document.querySelector(query_selector);
if (node) { clearInterval(timer); resolve(node); return; }
if (Date.now() - start > timeout_ms) { clearInterval(timer); resolve(null); }
}, 150);
});
}
function safe_get(getter) { try { return getter(); } catch { return undefined; } }
function get_room_id() {
const neptune = unsafeWindow.__NEPTUNE_IS_MY_WAIFU__;
const by_neptune = safe_get(() => neptune.roomInitRes.data.room_id);
if (by_neptune) return Number(by_neptune);
const m = location.pathname.match(/\/(\d+)/);
return m ? Number(m[1]) : null;
}
function build_play_info_url(room_id_number) {
return `https://api.live.bilibili.com/xlive/web-room/v2/index/getRoomPlayInfo` +
`?room_id=${room_id_number}&protocol=0,1&format=0,1,2&codec=0,1&qn=10000&platform=web&dolby=5&panorama=1`;
}
function gm_get_json(url) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url,
headers: { 'Accept': 'application/json' },
onload: (res) => { try { resolve(JSON.parse(res.responseText)); } catch (e) { reject(e); } },
onerror: reject
});
});
}
function build_url_with_qn(codec_obj, target_qn) {
const info = Array.isArray(codec_obj.url_info) ? codec_obj.url_info[0] : null;
const host = info && info.host;
const base = codec_obj.base_url;
let extra = info && info.extra;
if (!host || !base || !extra) return null;
// rewrite qn and expected_qn to target_qn
extra = extra.replace(/([?&])qn=\d+/i, `$1qn=${target_qn}`);
if (!/[?&]qn=\d+/i.test(extra)) extra += `&qn=${target_qn}`;
extra = extra.replace(/([?&])expected_qn=\d+/i, `$1expected_qn=${target_qn}`);
if (!/[?&]expected_qn=\d+/i.test(extra)) extra += `&expected_qn=${target_qn}`;
return host + base + extra;
}
// Prefer HLS ts → HLS fmp4 → FLV
const format_priority = { ts: 1, fmp4: 2, flv: 3 };
function scan_available_qualities(play_info_json) {
const playurl = safe_get(() => play_info_json.data.playurl_info.playurl) || {};
const streams = Array.isArray(playurl.stream) ? playurl.stream : [];
/** Map<number, { qn: number, url: string, fmt: string }> */
const best_by_qn = new Map();
for (const stream of streams) {
const protocol_name = String(stream.protocol_name || '').toLowerCase();
const formats = Array.isArray(stream.format) ? stream.format : [];
for (const fmt of formats) {
const fmt_name = String(fmt.format_name || '').toLowerCase(); // ts | fmp4 | flv
const codecs = Array.isArray(fmt.codec) ? fmt.codec : [];
for (const codec of codecs) {
const current_qn = Number(codec.current_qn);
const accept_qn = Array.isArray(codec.accept_qn || codec.acceptQn) ? codec.accept_qn || codec.acceptQn : [];
const qn_candidates = [current_qn, ...accept_qn].filter((n, i, arr) => Number.isFinite(n) && arr.indexOf(n) === i);
for (const qn of qn_candidates) {
const url = build_url_with_qn(codec, qn);
if (!url) continue;
const existing = best_by_qn.get(qn);
const new_score = format_priority[fmt_name] ?? 99;
const old_score = existing ? (format_priority[existing.fmt] ?? 99) : 1e9;
if (!existing || new_score < old_score) {
best_by_qn.set(qn, { qn, url, fmt: fmt_name, protocol: protocol_name });
}
}
}
}
}
const sorted_qn = Array.from(best_by_qn.keys()).sort((a, b) => a - b); // ascending → lowest first
return { sorted_qn, best_by_qn };
}
function inject_styles() {
const style = document.createElement('style');
style.textContent = `
.blmuc_wrap { display:inline-flex; gap:8px; align-items:center; }
.blmuc_btn {
padding: 4px 10px;
border: none;
border-radius: 8px;
font-weight: 600;
cursor: pointer;
background-image: linear-gradient(135deg, #ff7ac6 0%, #8aa8ff 100%);
color: #111;
box-shadow: 0 2px 8px rgba(0,0,0,.15);
transition: transform .08s ease, filter .15s ease;
}
.blmuc_btn:hover { filter: brightness(1.05); }
.blmuc_btn:active { transform: translateY(1px); }
.blmuc_sel {
height: 26px;
border-radius: 6px;
padding: 0 8px;
border: 1px solid var(--blmuc-border, #bbb);
background: var(--blmuc-bg, #fff);
color: var(--blmuc-fg, #222);
}
@media (prefers-color-scheme: dark) {
.blmuc_btn { color: #000; }
.blmuc_sel {
--blmuc-bg: #1f1f1f;
--blmuc-fg: #eaeaea;
--blmuc-border: #444;
}
}
`;
document.head.appendChild(style);
}
function create_controls() {
const wrap = document.createElement('span');
wrap.className = 'blmuc_wrap';
const btn = document.createElement('button');
btn.type = 'button';
btn.className = 'blmuc_btn';
btn.textContent = '复制直播流 URL';
const sel = document.createElement('select');
sel.className = 'blmuc_sel';
sel.id = 'blmuc_quality_select';
wrap.appendChild(btn);
wrap.appendChild(sel);
return { wrap, btn, sel };
}
function fill_quality_select(select_node, quality_numbers_asc) {
select_node.innerHTML = '';
for (const qn of quality_numbers_asc) {
const opt = document.createElement('option');
const label = qn_label_map[qn] ? `${qn_label_map[qn]} (${qn})` : `品质 ${qn}`;
opt.value = String(qn);
opt.textContent = label;
select_node.appendChild(opt);
}
select_node.selectedIndex = 0; // lowest by default
}
async function main() {
if (!/https:\/\/live\.bilibili\.com\/(blanc\/)?\d+/.test(location.href)) return;
inject_styles();
const container =
await wait_for_element('#head-info-vm .lower-row .right-ctnr', 180000) ||
await wait_for_element('#head-info-vm .lower-row', 10000);
if (!container) return;
const { wrap, btn, sel } = create_controls();
container.appendChild(wrap);
const room_id = get_room_id();
if (!room_id) { btn.textContent = '未获取房间号'; return; }
let play_info_json;
try { play_info_json = await gm_get_json(build_play_info_url(room_id)); }
catch { btn.textContent = '加载失败'; return; }
const { sorted_qn, best_by_qn } = scan_available_qualities(play_info_json);
if (sorted_qn.length === 0) { btn.textContent = '无可用清晰度'; return; }
fill_quality_select(sel, sorted_qn);
btn.addEventListener('click', () => {
const selected_qn = Number(sel.value || sorted_qn[0]);
const record = best_by_qn.get(selected_qn) || best_by_qn.get(sorted_qn[0]);
if (!record || !record.url) {
btn.textContent = '未找到链接';
setTimeout(() => (btn.textContent = '复制直播流 URL'), 1200);
return;
}
GM_setClipboard(record.url, { type: 'text', mimetype: 'text/plain' });
const original = btn.textContent;
btn.textContent = '已复制';
setTimeout(() => (btn.textContent = original), 1000);
});
}
main();
})();