下拉列出 current_qn + accept_qn。默认选中最低 fMP4 清晰度。点击复制时按所选清晰度请求网关返回正确 URL/主机。偏好 HLS fMP4。
// ==UserScript==
// @name Bilibili Live URL Copy
// @name:zh-CN Bilibili 直播流链接复制器
// @namespace https://github.com/TZFC
// @version 1.1
// @description Dropdown lists QNs from current_qn + accept_qn. Default selection = lowest fMP4 QN. On copy, query Bilibili gateway with that QN to get the correct URL/host. Prefers HLS fMP4.
// @description:zh-CN 下拉列出 current_qn + accept_qn。默认选中最低 fMP4 清晰度。点击复制时按所选清晰度请求网关返回正确 URL/主机。偏好 HLS fMP4。
// @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'
};
// Prefer HLS fmp4 → HLS ts → FLV (fallback order only)
const format_priority = { fmp4: 1, ts: 2, flv: 3 };
function wait_for_element(query_selector, timeout_ms) {
const start_time = 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_time > 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 get_anchor_uid_from_page() {
const neptune = unsafeWindow.__NEPTUNE_IS_MY_WAIFU__;
const a = safe_get(() => neptune.roomInitRes.data.anchor_info.base_info.uid);
const r = safe_get(() => neptune.roomInitRes.data.room_info.uid);
const uid = Number(a || r || 0);
return uid || 0;
}
function build_play_info_url(room_id_number) {
return `https://api.live.bilibili.com/xlive/web-room/v2/index/getRoomPlayInfo` +
`?room_id=${room_id_number}&protocol=0,1&format=0,1,2&codec=0,1&qn=10000&platform=web&dolby=5&panorama=1`;
}
function build_gateway_url(cid, mid, qn) {
const cid_s = `cid=${cid}`;
const mid_s = `mid=${mid || 0}`;
const qn_s = `qn=${qn}`;
const fixed = 'pt=web&p2p_type=-1&net=0&free_type=0&build=0&feature=2&drm_type=0&cam_id=0';
return `https://api.live.bilibili.com/xlive/play-gateway/master/url?${cid_s}&${mid_s}&${qn_s}&${fixed}`;
}
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 gm_fetch_raw(url) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url,
responseType: 'text',
onload: (r) => {
const ct = (r.responseHeaders || '')
.split(/\r?\n/).find(h => /^content-type:/i.test(h)) || '';
resolve({
text: r.responseText || '',
contentType: ct.split(':')[1]?.trim().toLowerCase() || '',
finalUrl: r.finalUrl || url,
status: r.status
});
},
onerror: reject
});
});
}
function depth_find_url(obj, keys) {
const stack = [obj];
while (stack.length) {
const cur = stack.pop();
if (!cur || typeof cur !== 'object') continue;
for (const k of Object.keys(cur)) {
const v = cur[k];
if (keys.includes(k) && typeof v === 'string' && /^https?:\/\//.test(v)) return v;
if (v && typeof v === 'object') stack.push(v);
}
}
return null;
}
function extract_cid(play_info_json) {
const cid = safe_get(() => play_info_json.data.playurl_info.playurl.cid)
|| safe_get(() => play_info_json.data.playurl_info.playurl.video_project.cid);
return Number(cid || 0) || null;
}
function choose_direct_url_for_current_qn(play_info_json, target_qn) {
const playurl = safe_get(() => play_info_json.data.playurl_info.playurl) || {};
const streams = Array.isArray(playurl.stream) ? playurl.stream : [];
let best = null, best_score = 1e9;
for (const s of streams) {
const formats = Array.isArray(s.format) ? s.format : [];
for (const f of formats) {
const fmt = String(f.format_name || '').toLowerCase(); // ts | fmp4 | flv
const codecs = Array.isArray(f.codec) ? f.codec : [];
for (const c of codecs) {
if (Number(c.current_qn) !== Number(target_qn)) continue;
const info = Array.isArray(c.url_info) ? c.url_info[0] : null;
const host = info && info.host;
const base = c.base_url;
const extra = info && info.extra;
if (host && base && extra) {
const score = format_priority[fmt] ?? 99;
if (score < best_score) {
best_score = score;
best = host + base + extra;
}
}
}
}
}
return best;
}
/**
* Collect all QNs (current + accept).
* Also collect QNs that are available specifically under HLS fMP4 formats,
* using both current_qn and accept_qn advertised by those fMP4 codec entries.
*/
function collect_qns_with_fmp4_bias(play_info_json) {
const playurl = safe_get(() => play_info_json.data.playurl_info.playurl) || {};
const streams = Array.isArray(playurl.stream) ? playurl.stream : [];
const all_qn_set = new Set();
const fmp4_qn_set = new Set();
for (const s of streams) {
const formats = Array.isArray(s.format) ? s.format : [];
for (const f of formats) {
const fmt = String(f.format_name || '').toLowerCase(); // ts | fmp4 | flv
const codecs = Array.isArray(f.codec) ? f.codec : [];
for (const c of codecs) {
const cur = Number(c.current_qn);
if (Number.isFinite(cur)) {
all_qn_set.add(cur);
if (fmt === 'fmp4') fmp4_qn_set.add(cur);
}
const acc = Array.isArray(c.accept_qn || c.acceptQn) ? (c.accept_qn || c.acceptQn) : [];
for (const q of acc) {
const n = Number(q);
if (Number.isFinite(n)) {
all_qn_set.add(n);
if (fmt === 'fmp4') fmp4_qn_set.add(n);
}
}
}
}
}
const all_qns_sorted = Array.from(all_qn_set).sort((a, b) => a - b);
const fmp4_qns_sorted = Array.from(fmp4_qn_set).sort((a, b) => a - b);
return { all_qns_sorted, fmp4_qns_sorted };
}
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);
}
}
function set_select_default_by_qn(select_node, target_qn) {
const idx = Array.from(select_node.options).findIndex(o => Number(o.value) === Number(target_qn));
select_node.selectedIndex = idx >= 0 ? idx : 0;
}
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;
try { play_info = await gm_get_json(build_play_info_url(room_id)); }
catch { btn.textContent = '加载失败'; return; }
// Collect all QNs and fMP4-capable QNs
const { all_qns_sorted, fmp4_qns_sorted } = collect_qns_with_fmp4_bias(play_info);
if (all_qns_sorted.length === 0) { btn.textContent = '无可用清晰度'; return; }
// Fill dropdown with ALL available QNs
fill_quality_select(sel, all_qns_sorted);
// DEFAULT: lowest fMP4 if present; else lowest overall
const default_qn = (fmp4_qns_sorted.length > 0 ? fmp4_qns_sorted[0] : all_qns_sorted[0]);
set_select_default_by_qn(sel, default_qn);
const cid = extract_cid(play_info);
const mid = get_anchor_uid_from_page();
btn.addEventListener('click', async () => {
const original = btn.textContent;
try {
const qn = Number(sel.value || default_qn);
// Primary: gateway resolves correct host/URL for the target QN
if (cid) {
const gw_url = build_gateway_url(cid, mid, qn);
const gw_res = await gm_fetch_raw(gw_url);
let final_url = null;
if (gw_res.text.trim().startsWith('{')) {
try {
const js = JSON.parse(gw_res.text);
final_url = depth_find_url(js, ['master_url', 'm3u8_master_url']);
} catch {}
}
if (!final_url) {
const looks_m3u8 = gw_res.text.startsWith('#EXTM3U') ||
/apple\.mpegurl|mpegurl|m3u8/.test(gw_res.contentType);
if (looks_m3u8) final_url = gw_res.finalUrl;
}
if (final_url) {
GM_setClipboard(final_url, { type: 'text', mimetype: 'text/plain' });
btn.textContent = '已复制';
setTimeout(() => btn.textContent = original, 1000);
return;
}
}
// Fallback: only if target QN exists as current_qn in payload
const direct = choose_direct_url_for_current_qn(play_info, qn);
if (direct) {
GM_setClipboard(direct, { type: 'text', mimetype: 'text/plain' });
btn.textContent = '已复制(直链)';
setTimeout(() => btn.textContent = original, 1000);
return;
}
btn.textContent = '未找到链接';
setTimeout(() => btn.textContent = original, 1200);
} catch (e) {
console.log('[blmuc] 复制失败', e);
btn.textContent = '出错';
setTimeout(() => btn.textContent = original, 1200);
}
});
}
main();
})();