最近发现了一个名为 “音视频内容 AI 一键总结丨BibiGPT 学习助理” 的网站，感觉非常有趣。这个工具能够直接总结B站、油管的在线视频内容，甚至支持百度网盘的视频。稍微深入研究了一下后，我原本以为它是通过转录视频内容再进行总结，所以我自己动手部署了一下语音转文字服务，使用的是基于fast-whisper的工具（GitHub链接：jianchang512/stt: Voice Recognition to Text Tool）。
然而，后来我发现即使使用最小的tiny模型，转录大约20分钟的视频也需要90秒左右，且识别准确率大约在90%以上。如果想要更高的准确率，就需要使用更大的模型。但这样一来，辛辛苦苦地转录还不如直接使用B站的AI字幕！B站的AI字幕准确率估计在98%以上，而且几乎所有视频都配有AI字幕，何乐而不为呢？
因此，最初我还编写了一个Python脚本来爬取AI字幕（脚本附在文末），但B站的逻辑有些一言难尽，必须先登录才能获取字幕，否则API里面返回的字幕那部分内容是空的。
后来，我发现油猴（Tampermonkey）有现成的字幕下载脚本，这样一来就无需重复造轮子了。
接下来，对现有的脚本进行了以下调整：
- 修改快捷键功能：原先的Ctrl+下载键是直接下载字幕，我将其改为直接复制字幕内容。
- 更改下载格式：默认下载格式是SRT，我将其修改为TXT格式，便于后续处理。
添加AI总结提示词：在复制字幕内容之前，加入了一段用于引导GPT进行总结的提示词：
请阅读以下视频字幕文本，并总结出视频中的所有关键要点。总结应涵盖视频的主要观点、重要信息和核心内容，使读者能够理解获取到视频的全部内容。请按照以下要求进行总结： 1. **结构清晰**：使用分段或项目符号列表，使总结条理分明，易于阅读。 2. **简明扼要**：每个要点应简洁明了，避免冗长的描述。 3. **全面覆盖**：确保不遗漏视频中的重要信息和关键细节。 4. **语言简练**：使用准确且简练的语言表达，保持专业性。 5. **保持原意**：总结内容应忠实于原视频的意思，如果必要可以进行解释，便于理解。 6. **开头添加视频标题及链接**：在总结开头使用Markdown格式，将视频标题作为可点击的链接（去除“哔哩哔哩”字样），便于存档。
这样一来，可以平替它的总结功能。
附：Python爬取B站AI字幕脚本
import requests
import json
import re
import sys
import os
from datetime import timedelta
import browser_cookie3
# 定义Cookies缓存文件路径
COOKIES_CACHE_FILE = 'cookies_cache.json'
def load_cached_cookies():
"""
从缓存文件加载Cookies
"""
if os.path.exists(COOKIES_CACHE_FILE):
with open(COOKIES_CACHE_FILE, 'r', encoding='utf-8') as f:
try:
cookies = json.load(f)
print("从缓存加载Cookies。")
return cookies
except json.JSONDecodeError:
print("Cookies缓存文件损坏，忽略缓存。")
return None
return None
def save_cookies_to_cache(cookies_dict):
"""
将Cookies保存到缓存文件
"""
with open(COOKIES_CACHE_FILE, 'w', encoding='utf-8') as f:
json.dump(cookies_dict, f)
print("Cookies已保存到缓存。")
def extract_cookies():
"""
从浏览器中提取Cookies并保存到缓存
"""
print("正在从浏览器中提取Cookies...")
cj = browser_cookie3.edge(domain_name='bilibili.com')
# 如果使用Firefox，请使用以下行代替：
# cj = browser_cookie3.firefox(domain_name='bilibili.com')
# 将Cookies转换为字典
cookies_dict = requests.utils.dict_from_cookiejar(cj)
# 保存到缓存
save_cookies_to_cache(cookies_dict)
return cookies_dict
def build_headers(bv, cookies=None):
"""
构建请求头，包括必要的头信息和Cookies
"""
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)",
"Referer": f"https://www.bilibili.com/video/{bv}",
"Accept": "application/json, text/javascript, */*; q=0.01",
"Origin": "https://www.bilibili.com"
}
if cookies:
headers["Cookie"] = "; ".join([f"{k}={v}" for k, v in cookies.items()])
return headers
def bv_to_aid(bv, headers):
"""
将BV号转换为AV号
"""
# 确保BV号以'BV'开头
if not bv.startswith('BV'):
bv = 'BV' + bv
url = f"https://api.bilibili.com/x/web-interface/view?bvid={bv}"
response = requests.get(url, headers=headers)
if response.status_code != 200:
raise Exception(f"获取视频信息失败，状态码：{response.status_code}")
data = response.json()
# 如果需要调试，可以取消下面的注释
# print(json.dumps(data, indent=2, ensure_ascii=False))
if data['code'] != 0:
raise Exception(f"API返回错误：{data['message']}")
aid = data['data']['aid']
cid = data['data']['cid']
return aid, cid
def get_subtitle_list(aid, cid, bv, headers):
"""
获取字幕列表
"""
url = f"https://api.bilibili.com/x/player/v2?cid={cid}&aid={aid}&bvid={bv}"
response = requests.get(url, headers=headers)
if response.status_code != 200:
raise Exception(f"获取字幕信息失败，状态码：{response.status_code}")
data = response.json()
# 如果需要调试，可以取消下面的注释
# print(json.dumps(data, indent=2, ensure_ascii=False))
if data['code'] != 0:
raise Exception(f"API返回错误：{data['message']}")
# 获取 'subtitles' 而不是 'list'
subtitles = data['data'].get('subtitle', {}).get('subtitles', [])
if not subtitles:
raise Exception("该视频没有字幕。")
return subtitles
def download_subtitle(subtitle_url, headers):
"""
下载字幕内容
"""
# 确保URL以协议开头
if subtitle_url.startswith('//'):
subtitle_url = 'https:' + subtitle_url
elif subtitle_url.startswith('/'):
subtitle_url = 'https://www.bilibili.com' + subtitle_url
response = requests.get(subtitle_url, headers=headers)
if response.status_code != 200:
raise Exception(f"下载字幕失败，状态码：{response.status_code}")
return response.json()
def convert_to_srt(subtitles):
"""
将Bilibili的字幕JSON转换为SRT格式
"""
srt_content = ""
for idx, item in enumerate(subtitles, 1):
start = seconds_to_srt_time(item['from'])
end = seconds_to_srt_time(item['to'])
# 处理HTML实体和换行符
text = re.sub(r'"', '"', item['content'])
text = re.sub(r''', "'", text)
text = re.sub(r'<br>', '\n', text)
srt_content += f"{idx}\n{start} --> {end}\n{text}\n\n"
return srt_content
def seconds_to_srt_time(seconds):
"""
将秒数转换为SRT时间格式
"""
td = timedelta(seconds=seconds)
total_seconds = td.total_seconds()
hours = int(total_seconds // 3600)
minutes = int((total_seconds % 3600) // 60)
secs = int(total_seconds % 60)
milliseconds = int((total_seconds - int(total_seconds)) * 1000)
return f"{hours:02}:{minutes:02}:{secs:02},{milliseconds:03}"
def main(bv):
try:
print(f"正在处理BV号：{bv}")
# 第一次尝试：不使用Cookies
headers_no_cookies = build_headers(bv)
try:
aid, cid = bv_to_aid(bv, headers_no_cookies)
print(f"获取到的AV号：{aid}，CID：{cid}")
subtitles = get_subtitle_list(aid, cid, bv, headers_no_cookies)
print("可用的字幕列表：")
for idx, sub in enumerate(subtitles, 1):
lan = sub.get('lan_doc', sub.get('lan', '未知语言'))
print(f"{idx}. {lan}")
# 检查字幕数量
if len(subtitles) == 1:
selected_sub = subtitles[0]
print(f"只有一个字幕，自动选择：{selected_sub.get('lan_doc', '未知语言')}")
else:
choice = int(input("请选择要下载的字幕编号："))
if choice < 1 or choice > len(subtitles):
print("无效的选择。")
return
selected_sub = subtitles[choice - 1]
subtitle_url = selected_sub.get('subtitle_url')
if not subtitle_url:
print("选择的字幕没有有效的下载URL。")
return
print(f"正在下载字幕：{selected_sub.get('lan_doc', '未知语言')}")
subtitle_data = download_subtitle(subtitle_url, headers_no_cookies)
if 'body' not in subtitle_data:
print("字幕数据格式错误。")
return
srt_content = convert_to_srt(subtitle_data['body'])
# 确保文件名中不包含非法字符
lan_doc = re.sub(r'[\\/:"*?<>|]+', '_', selected_sub.get('lan_doc', 'subtitle'))
filename = f"{bv}_{lan_doc}.srt"
with open(filename, 'w', encoding='utf-8') as f:
f.write(srt_content)
print(f"字幕已成功下载并保存为 {filename}")
return # 成功下载，结束程序
except Exception as e_no_cookies:
print(f"首次尝试失败：{e_no_cookies}")
print("将尝试使用Cookies重新获取字幕。")
# 第二次尝试：使用Cookies
# 先尝试从缓存加载Cookies
cookies = load_cached_cookies()
if not cookies:
# 如果缓存不存在或加载失败，提取Cookies并缓存
cookies = extract_cookies()
headers_with_cookies = build_headers(bv, cookies)
try:
aid, cid = bv_to_aid(bv, headers_with_cookies)
print(f"获取到的AV号：{aid}，CID：{cid}")
subtitles = get_subtitle_list(aid, cid, bv, headers_with_cookies)
print("可用的字幕列表：")
for idx, sub in enumerate(subtitles, 1):
lan = sub.get('lan_doc', sub.get('lan', '未知语言'))
print(f"{idx}. {lan}")
# 检查字幕数量
if len(subtitles) == 1:
selected_sub = subtitles[0]
print(f"只有一个字幕，自动选择：{selected_sub.get('lan_doc', '未知语言')}")
else:
choice = int(input("请选择要下载的字幕编号："))
if choice < 1 or choice > len(subtitles):
print("无效的选择。")
return
selected_sub = subtitles[choice - 1]
subtitle_url = selected_sub.get('subtitle_url')
if not subtitle_url:
print("选择的字幕没有有效的下载URL。")
return
print(f"正在下载字幕：{selected_sub.get('lan_doc', '未知语言')}")
subtitle_data = download_subtitle(subtitle_url, headers_with_cookies)
if 'body' not in subtitle_data:
print("字幕数据格式错误。")
return
srt_content = convert_to_srt(subtitle_data['body'])
# 确保文件名中不包含非法字符
lan_doc = re.sub(r'[\\/:"*?<>|]+', '_', selected_sub.get('lan_doc', 'subtitle'))
filename = f"{bv}_{lan_doc}.srt"
with open(filename, 'w', encoding='utf-8') as f:
f.write(srt_content)
print(f"字幕已成功下载并保存为 {filename}")
except Exception as e_with_cookies:
print(f"使用Cookies尝试下载字幕失败：{e_with_cookies}")
print("请检查您的Cookies是否有效，或手动更新Cookies缓存。")
if __name__ == "__main__":
if len(sys.argv) != 2:
print("用法：python download_sub.py <BV号>")
sys.exit(1)
bv_number = sys.argv[1]
main(bv_number)
修改后的油猴脚本（已关闭更新）：
// ==UserScript==
// @name Bilibili CC字幕工具
// @namespace indefined
// @version 0.5.44
// @description 可下载B站的CC字幕，旧版B站播放器可启用CC字幕
// @author indefined
// @supportURL https://github.com/indefined/UserScripts/issues
// @match http*://www.bilibili.com/video/*
// @match http*://www.bilibili.com/bangumi/play/ss*
// @match http*://www.bilibili.com/bangumi/play/ep*
// @match https://www.bilibili.com/cheese/play/ss*
// @match https://www.bilibili.com/cheese/play/ep*
// @match http*://www.bilibili.com/list/watchlater*
// @match https://www.bilibili.com/medialist/play/watchlater/*
// @match http*://www.bilibili.com/medialist/play/ml*
// @match http*://www.bilibili.com/blackboard/html5player.html*
// @license MIT
// @grant none
// @downloadURL https://update.greasyfork.org/scripts/378513/Bilibili%20CC%E5%AD%97%E5%B9%95%E5%B7%A5%E5%85%B7.user.js
// @updateURL
// ==/UserScript==
function copyToClipboard(text) {
if (navigator.clipboard && window.isSecureContext) {
// 使用 Clipboard API
return navigator.clipboard.writeText(text);
} else {
// 使用旧的方法
let textArea = document.createElement("textarea");
textArea.value = text;
// 确保 textarea 不会被显示
textArea.style.position = "fixed";
textArea.style.left = "-999999px";
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
return new Promise((res, rej) => {
// 执行复制操作
document.execCommand('copy') ? res() : rej();
textArea.remove();
});
}
}
(
function() {
'use strict';
const elements = {
subtitleStyle:`
<style type="text/css">
/*对齐，悬停按钮显示菜单*/
#subtitle-setting-panel>div>* {margin-right: 5px;}
#bilibili-player-subtitle-btn:hover>#subtitle-setting-panel {display: block!important;}
/*滑动选择样式*/
#subtitle-setting-panel input[type="range"] {
background-color: #ebeff4;
-webkit-appearance: none;
height:4px;
transform: translateY(-4px);
}
#subtitle-setting-panel input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
height: 15px;
width: 15px;
background: #fff;
border-radius: 15px;
border: 1px solid;
}
/*复选框和其对应标签样式*/
#subtitle-setting-panel input[type="checkbox"]{display:none;}
#subtitle-setting-panel input ~ label {cursor:pointer;}
#subtitle-setting-panel input:checked ~ label:before {content: '\\2714';}
#subtitle-setting-panel input ~ label:before{
width: 12px;
height:12px;
line-height: 14px;
vertical-align: text-bottom;
border-radius: 3px;
border:1px solid #d3d3d3;
display: inline-block;
text-align: center;
content: ' ';
}
/*悬停显示下拉框样式*/
#subtitle-setting-panel .bpui-selectmenu:hover .bpui-selectmenu-list{display:block;}
/*滚动条样式*/
#subtitle-setting-panel ::-webkit-scrollbar{width: 7px;}
#subtitle-setting-panel ::-webkit-scrollbar-track{border-radius: 4px;background-color: #EEE;}
#subtitle-setting-panel ::-webkit-scrollbar-thumb{border-radius: 4px;background-color: #999;}
</style>`,
oldEnableIcon:`
<svg width="22" height="28" viewbox="0 0 22 30" xmlns="http://www.w3.org/2000/svg">
<path id="svg_1" fill-rule="evenodd" fill="#99a2aa" d="m4.07787,6.88102l14,0a2,2 0 0 1 2,2l0,10a2,2 0 0 \
1 -2,2l-14,0a2,2 0 0 1 -2,-2l0,-10a2,2 0 0 1 2,-2zm5,5.5a1,1 0 1 0 0,-2l-3,0a2,2 0 0 0 -2,2l0,3a2,2 0 0 0 \
2,2l3,0a1,1 0 0 0 0,-2l-2,0a1,1 0 0 1 -1,-1l0,-1a1,1 0 0 1 1,-1l2,0zm8,0a1,1 0 0 0 0,-2l-3,0a2,2 0 0 0 -2,2l0\
,3a2,2 0 0 0 2,2l3,0a1,1 0 0 0 0,-2l-2,0a1,1 0 0 1 -1,-1l0,-1a1,1 0 0 1 1,-1l2,0z"/></svg>`,
oldDisableIcon:`
<svg width="22" height="28" viewBox="0 0 22 32" xmlns="http://www.w3.org/2000/svg">
<path id="svg_1" fill-rule="evenodd" fill="#99a2aa" d="m15.172,21.87103l-11.172,0a2,2 0 0 1 -2,-2l0,-10c0,\
-0.34 0.084,-0.658 0.233,-0.938l-0.425,-0.426a1,1 0 1 1 1.414,-1.414l15.556,15.556a1,1 0 0 1 -1.414,1.414l-2.192,\
-2.192zm-10.21,-10.21c-0.577,0.351 -0.962,0.986 -0.962,1.71l0,3a2,2 0 0 0 2,2l3,0a1,1 0 0 0 0,-2l-2,0a1,1 0 0 1 -1,\
-1l0,-1a1,1 0 0 1 0.713,-0.958l-1.751,-1.752zm1.866,-3.79l11.172,0a2,2 0 0 1 2,2l0,10c0,0.34 -0.084,0.658 -0.233,\
0.938l-2.48,-2.48a1,1 0 0 0 -0.287,-1.958l-1.672,0l-1.328,-1.328l0,-0.672a1,1 0 0 1 1,-1l2,0a1,1 0 0 0 0,-2l-3,\
0a2,2 0 0 0 -1.977,1.695l-5.195,-5.195z"/></svg>`,
newDisableIcon:`
<svg class="squirtle-svg-icon" viewBox="0 0 28 22" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
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</g>
</svg>`,
newEnableIcon:`
<svg class="squirtle-svg-icon" viewBox="0 0 28 22" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
<g transform="translate(2.000000, 0.000000)" fill="#FFFFFF">
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</g>
</g>
</svg>`,
createAs(nodeType,config,appendTo){
const element = document.createElement(nodeType);
config&&this.setAs(element,config);
appendTo&&appendTo.appendChild(element);
return element;
},
setAs(element,config,appendTo){
config&&Object.entries(config).forEach(([key, value])=>{
element[key] = value;
});
appendTo&&appendTo.appendChild(element);
return element;
},
getAs(selector,config,appendTo){
if(selector instanceof Array) {
return selector.map(item=>this.getAs(item));
}
const element = document.body.querySelector(selector);
element&&config&&this.setAs(element,config);
element&&appendTo&&appendTo.appendChild(element);
return element;
},
createSelector(config,appendTo){
const selector = this.createAs('div',{
className:"bilibili-player-block-string-type bpui-component bpui-selectmenu selectmenu-mode-absolute",
style:"width:"+config.width
},appendTo),
selected = config.datas.find(item=>item.value==config.initValue),
label = this.createAs('div',{
className:'bpui-selectmenu-txt',
innerHTML: selected?selected.content:config.initValue
},selector),
arraw = this.createAs('div',{
className:'bpui-selectmenu-arrow bpui-icon bpui-icon-arrow-down'
},selector),
list = this.createAs('ul',{
className:'bpui-selectmenu-list bpui-selectmenu-list-left',
style:`max-height:${config.height||'100px'};overflow:hidden auto;white-space:nowrap;`,
onclick:e=>{
label.dataset.value = e.target.dataset.value;
label.innerHTML = e.target.innerHTML;
config.handler(e.target.dataset.value);
}
},selector);
config.datas.forEach(item=>{
this.createAs('li',{
className:'bpui-selectmenu-list-row',
innerHTML:item.content
},list).dataset.value = item.value;
});
return selector;
},
createRadio(config,appendTo){
this.createAs('input',{
...config,type: "radio",style:"cursor:pointer;5px;vertical-align: middle;"
},appendTo);
this.createAs('label',{
style:"margin-right: 5px;cursor:pointer;vertical-align: middle;",
innerText:config.value
},appendTo).setAttribute('for',config.id);
}
};
function fetch(url, option = {}) {
return new Promise((resolve, reject) => {
const req = new XMLHttpRequest();
req.onreadystatechange = ()=> {
if (req.readyState === 4) {
resolve({
ok: req.status>=200&&req.status<=299,
status: req.status,
statusText: req.statusText,
body: req.response, // 与原fetch定义的ReadableStream类型不同，无用
json: ()=>Promise.resolve(JSON.parse(req.responseText)),
text: ()=>Promise.resolve(req.responseText)
});
}
};
if (option.credentials == 'include') req.withCredentials = true;
req.onerror = reject;
req.open('GET', url);
req.send();
});
}
//编码器，用于将B站BCC字幕编码为常见字幕格式下载
const encoder = {
instructionText: `请阅读以下视频字幕文本，并总结出视频中的所有关键要点。总结应涵盖视频的主要观点、重要信息和核心内容，使读者能够理解获取到视频的全部内容。请按照以下要求进行总结：
1. **结构清晰**：使用分段或项目符号列表，使总结条理分明，易于阅读。
2. **简明扼要**：每个要点应简洁明了，避免冗长的描述。
3. **全面覆盖**：确保不遗漏视频中的重要信息和关键细节。
4. **语言简练**：使用准确且简练的语言表达，保持专业性。
5. **保持原意**：总结内容应忠实于原视频的意思，如果必要可以进行解释，便于理解。
6. **开头添加视频标题及链接**：在总结开头使用Markdown格式，将视频标题作为可点击的链接（去除“哔哩哔哩”字样），便于存档。
`,
//内嵌ASS格式头
assHead : [
'[Script Info]',
`Title: ${document.title}`,
'ScriptType: v4.00+',
'Collisions: Reverse',
'PlayResX: 1280',
'PlayResY: 720',
'WrapStyle: 3',
'ScaledBorderAndShadow: yes',
'; ----------------------',
`; 字幕来源${document.location}`,
'; 设置了字幕过长自动换行，但若字幕中没有空格换行将无效',
'; 字体大小依据720p 48号字体等比缩放',
'; 如显示不正常请尝试使用SRT格式',
'','[V4+ Styles]',
'Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, '
+'BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, '
+'BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding',
'Style: Default,Segoe UI,48,&H00FFFFFF,&HF0000000,&H00000000,&HF0000000,1,0,0,0,100,100,0,0.00,1,1,3,2,30,30,20,1',
'','[Events]',
'Format: Layer, Start, End, Style, Actor, MarginL, MarginR, MarginV, Effect, Text'
],
showDialog(data, download){
if(!data||!(data.body instanceof Array)){
throw '数据错误';
}
this.data = data;
const settingDiv = elements.createAs('div',{
style :'position: fixed;top: 0;bottom: 0;left: 0;right: 0;background: rgba(0,0,0,0.4);z-index: 1048576;'+(download?'display:none':'')
},document.body),
panel = elements.createAs('div',{
style:'left: 50%;top: 50%;position: absolute;padding: 15px;background:white;'
+ 'border-radius: 8px;margin: auto;transform: translate(-50%,-50%);',
innerHTML: '<h2 style="font-size: 20px;color: #4fc1e9;font-weight: 400;margin-bottom: 10px;">字幕下载</h2>'
+ '<a href="https://greasyfork.org/scripts/378513" target="_blank" style="position:absolute;right:20px;top:30px">'
+ `当前版本：${typeof(GM_info)!="undefined"&&GM_info.script.version||'unknow'}</a>`
},settingDiv),
textArea = this.textArea = elements.createAs('textarea',{
style: 'width: 400px;min-width: 300px;height: 400px;resize: both;padding: 5px;line-height: normal;border: 1px solid #e5e9ef;margin: 0px;'
},panel),
bottomPanel = elements.createAs('div',{style:'font-size:14px; padding-top: 10px;'},panel);
textArea.setAttribute('readonly',true);
const type = localStorage.defaultSubtitleType || 'TXT';
elements.createAs('select', {
style: 'height: 24px; margin-right: 5px;',
innerHTML:['ASS', 'SRT', 'LRC', 'VTT', 'TXT', 'BCC'].map(type=>`<option value="${type}">${type}</option>`).join(''),
value: type,
onchange:(ev)=>this.updateDownload(ev.target.value)
},bottomPanel);
//下载
this.actionButton = elements.createAs('a',{
title: '按住Ctrl键点击字幕列表的下载可不打开预览直接下载当前格式',
innerText: "下载",style: 'height: 24px;margin-right: 5px;background: #00a1d6;color: #fff;padding: 7px;',
onclick: function(){event.stopPropagation();},
oncontextmenu: function(){event.stopPropagation();},
},bottomPanel);
//在新标签页中打开
this.openTabButton = elements.createAs('a',{
innerText: "在新标签页中打开",style: 'height: 24px;margin-right: 5px;background: #00a1d6;color: #fff;padding: 7px;',
target: '_blank',onclick: function(){event.stopPropagation();},
oncontextmenu: function(){event.stopPropagation();},
},bottomPanel);
//关闭
this.closeButton = elements.createAs('a',{
innerText: "关闭",style:'height: 24px;margin-right: 5px;background: #00a1d6;color: #fff;padding: 7px;cursor: pointer;',
onclick: ()=>document.body.removeChild(settingDiv)
},bottomPanel);
//默认转换SRT格式
this.updateDownload(type, download);
},
updateDownload(type='LRC', download){
let result;
let blobResult;
switch(type) {
case 'LRC':
result = this.encodeToLRC(this.data.body);
break;
case 'SRT':
result = this.encodeToSRT(this.data.body);
break;
case 'ASS':
result = this.encodeToASS(this.data.body);
break;
case 'VTT':
result = this.encodeToVTT(this.data.body);
break;
case 'TXT':
result = this.data.body.map(item=>item.content).join('\r\n');
break;
case 'BCC':
result = JSON.stringify(this.data, undefined, 2);
break;
default:
result = '错误：无法识别的格式 ' + type;
break;
}
this.textArea.value = result;
localStorage.defaultSubtitleType = type;
type = type.toLowerCase();
URL.revokeObjectURL(this.actionButton.href);
this.actionButton.classList.remove('bpui-state-disabled','bui-button-disabled');
blobResult = new Blob([result], {type:'text/'+type+';charset=utf-8'});
this.actionButton.href = URL.createObjectURL(blobResult);
this.openTabButton.href = URL.createObjectURL(blobResult);
this.actionButton.download = `${bilibiliCCHelper.getInfo('h1Title') || document.title}.${type}`;
if (download) {
// 按住Ctrl键时，合并指令文本与字幕内容后复制到剪贴板
const combinedText = `${this.instructionText}\n\n视频标题: ${document.title}\n视频链接: ${document.location}\n\n${result}`;
copyToClipboard(combinedText).then(() => {
console.log('字幕内容及指令已复制到剪贴板');
this.closeButton.click(); // 关闭下载对话框
}).catch(err => {
console.error('复制到剪贴板失败:', err);
});
} else {
// 未按住Ctrl键时，执行下载操作
this.actionButton.click();
this.closeButton.click();
}
},
encodeToLRC(data){
return data.map(({from,to,content})=>{
return `${this.encodeTime(from,'LRC')} ${content.replace(/\n/g,' ')}`;
}).join('\r\n');
},
encodeToSRT(data){
return data.map(({from,to,content},index)=>{
return `${index+1}\r\n${this.encodeTime(from)} --> ${this.encodeTime(to)}\r\n${content}`;
}).join('\r\n\r\n');
},
encodeToVTT(data){
return 'WEBVTT \r\n\r\n' + data.map(({from,to,content},index)=>{
return `${index+1}\r\n${this.encodeTime(from, 'VTT')} --> ${this.encodeTime(to, 'VTT')}\r\n${content}`;
}).join('\r\n\r\n');
},
encodeToASS(data){
this.assHead[1] = `Title: ${document.title}`;
this.assHead[10] = `; 字幕来源${document.location}`;
return this.assHead.concat(data.map(({from,to,content})=>{
return `Dialogue: 0,${this.encodeTime(from,'ASS')},${this.encodeTime(to,'ASS')},*Default,NTP,0000,0000,0000,,${content.replace(/\n/g,'\\N')}`;
})).join('\r\n');
},
encodeTime(input,format='SRT'){
let time = new Date(input*1000),
ms = time.getMilliseconds(),
second = time.getSeconds(),
minute = time.getMinutes(),
hour = Math.floor(input/60/60);
if (format=='SRT'||format=='VTT'){
if (hour<10) hour = '0'+hour;
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '00'+ms;
else if (ms<100) ms = '0'+ms;
return `${hour}:${minute}:${second}${format=='SRT'?',':'.'}${ms}`;
}
else if(format=='ASS'){
ms = (ms/10).toFixed(0);
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '0'+ms;
return `${hour}:${minute}:${second}.${ms}`;
}
else{
ms = (ms/10).toFixed(0);
minute += hour*60;
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '0'+ms;
return `[${minute}:${second}.${ms}]`;
}
}
};
//解码器，用于读取常见格式字幕并将其转换为B站可以读取BCC格式字幕
const decoder = {
srtReg:/(?:(\d+):)?(\d{1,2}):(\d{1,2})[,\.](\d{1,3})\s*(?:-->|,)\s*(?:(\d+):)?(\d{1,2}):(\d{1,2})[,\.](\d{1,3})\r?\n([.\s\S]+)/,
assReg:/Dialogue:.*,(\d+):(\d{1,2}):(\d{1,2}\.?\d*),\s*?(\d+):(\d{1,2}):(\d{1,2}\.?\d*)(?:.*?,){7}(.+)/,
encodings:['UTF-8','GB18030','BIG5','UNICODE','JIS','EUC-KR'],
encoding:'UTF-8',
dialog:undefined,
reader:undefined,
file:undefined,
data:undefined,
statusHandler:undefined,
show(handler){
this.statusHandler = handler;
if(!this.dialog){
this.moveAction = ev=>this.dialogMove(ev);
this.dialog = elements.createAs('div',{
id :'subtitle-local-selector',
style :'position:fixed;z-index:1048576;padding:10px;top:50%;left:calc(50% - 185px);'
+'box-shadow: 0 0 4px #e5e9ef;border: 1px solid #e5e9ef;background:white;border-radius:5px;color:#99a2aa',
innerHTML:'<style type="text/css">'
+'.bpui-selectmenu-arrow:hover + ul.bpui-selectmenu-list.bpui-selectmenu-list-left,'
+'ul.bpui-selectmenu-list.bpui-selectmenu-list-left:hover {display: block;}</style>'
},elements.getAs('#bilibiliPlayer'));
//标题栏，可拖动对话框
elements.createAs('div',{
style:"margin-bottom: 5px;cursor:move;user-select:none;line-height:1;",
innerText:'本地字幕选择',
onmousedown:this.moveAction
},this.dialog);
//选择字幕，保存文件对象并调用处理文件
elements.createAs('input',{
style: "margin-bottom: 5px;width: 370px;",
innerText: '选择字幕',
type: 'file',accept:'.lrc,.ass,.ssa,.srt,.bcc,.sbv,.vtt',
oninput: ({target})=> this.readFile(this.file = target.files&&target.files[0])
},this.dialog);
elements.createAs('br',{},this.dialog);
//文件编码选择，保存编码并调用处理文件
elements.createAs('label',{style: "margin-right: 10px;",innerText: '字幕编码'},this.dialog);
elements.createAs('select',{
style: "width: 80px;height: 20px;border-radius: 4px;line-height: 20px;border:1px solid #ccd0d7;",
title:'如果字幕乱码可尝试更改编码',
innerHTML:this.encodings.reduce((result,item)=>`${result}<option value="${item}">${item}</option>`,''),
oninput: ({target})=> this.readFile(this.encoding = target.value)
},this.dialog);
//字幕偏移，保存DOM对象以便修改显示偏移，更改时调用字幕处理显示
elements.createAs('label',{
style: "margin-left: 10px;",innerText: '时间偏移(s)',title:'字幕相对于视频的时间偏移，双击此标签复位时间偏移',
ondblclick:()=> +this.offset.value&&this.handleSubtitle(this.offset.value=0)
},this.dialog);
this.offset = elements.createAs('input',{
style: "margin-left: 10px;width: 50px;border: 1px solid #ccd0d7;border-radius: 4px;line-height: 20px;",
type:'number', step:0.5, value:0,
title:'负值表示将字幕延后，正值将字幕提前',
oninput: ()=> this.handleSubtitle()
},this.dialog);
//关闭按钮
elements.createAs('button',{
style: "margin-left: 10px;border:none;width:max-content;",innerText: '关闭面板',
className:'bpui-button bui bui-button bui-button-blue',
onclick: ()=> elements.getAs('#bilibiliPlayer').removeChild(this.dialog)
},this.dialog);
//文件读取器，载入文件
this.reader = new FileReader();
this.reader.onloadend = ()=> this.decodeFile()
this.reader.onerror = e=> bilibiliCCHelper.toast('载入字幕失败',e);
}
else{
elements.getAs('#bilibiliPlayer').appendChild(this.dialog);
this.handleSubtitle();
}
},
dialogMove(ev){
if (ev.type=='mousedown'){
this.offsetT = ev.pageY-this.dialog.offsetTop;
this.offsetL = ev.pageX-this.dialog.offsetLeft;
document.body.addEventListener('mouseup',this.moveAction);
document.body.addEventListener('mousemove',this.moveAction);
}
else if (ev.type=='mouseup'){
document.body.removeEventListener('mouseup',this.moveAction);
document.body.removeEventListener('mousemove',this.moveAction);
}
else{
this.dialog.style.top = ev.pageY - this.offsetT + 'px';
this.dialog.style.left = ev.pageX - this.offsetL +'px';
}
},
readFile(){
if(!this.file) {
this.data = undefined;
return bilibiliCCHelper.toast('没有文件');
}
this.reader.readAsText(this.file,this.encoding)
},
handleSubtitle(){
if(!this.data) return;
const offset = +this.offset.value;
bilibiliCCHelper.updateLocal(!offset?this.data:{
body:this.data.body.map(({from,to,content})=>({
from:from - offset,
to:to - offset,
content
}))
}).then(()=>{
if('function'==typeof(this.statusHandler)) this.statusHandler(true);
bilibiliCCHelper.toast(`载入本地字幕:${this.file.name},共${this.data.body.length}行,偏移:${offset}s`);
}).catch(e=>{
bilibiliCCHelper.toast('载入字幕失败',e);
});
},
decodeFile(){
try{
const type = this.file.name.split('.').pop().toLowerCase();
switch(type){
case 'lrc':this.data = this.decodeFromLRC(this.reader.result);break;
case 'ass':case 'ssa': this.data = this.decodeFromASS(this.reader.result);break;
case 'srt':case 'sbv':case 'vtt': this.data = this.decodeFromSRT(this.reader.result);break;
case 'bcc':this.data = JSON.parse(this.reader.result);break;
default:throw('未知文件类型'+type);break;
}
console.log(this.data);
this.handleSubtitle();
}
catch(e){
bilibiliCCHelper.toast('解码字幕文件失败',e);
};
},
decodeFromLRC(input){
if(!input) return;
const data = [];
input.split('\n').forEach(line=>{
let match = line.match(/((\[\d+:\d+\.?\d*\])+)(.*)/);
if (!match) {
if(match=line.match(/\[offset:(\d+)\]/i)) {
this.offset.value = +match[1]/1000;
}
//console.log('跳过非正文行',line);
return;
}
const times = match[1].match(/\d+:\d+\.?\d*/g);
times.forEach(time=>{
const t = time.split(':');
data.push({
time:t[0]*60 + (+t[1]),
content:match[3].trim().replace('\r','')
});
});
});
return {
body:data.sort((a,b)=>a.time-b.time).map((item,index)=>(
item.content!=''&&{
from:item.time,
to:index==data.length-1?item.time+20:data[index+1].time,
content:item.content
}
)).filter(item=>item)
};
},
decodeFromSRT(input){
if(!input) return;
const data = [];
let split = input.split('\n\n');
if(split.length==1) split = input.split('\r\n\r\n');
split.forEach(item=>{
const match = item.match(this.srtReg);
if (!match){
//console.log('跳过非正文行',item);
return;
}
data.push({
from:(match[1]*60*60||0) + match[2]*60 + (+match[3]) + (match[4]/1000),
to:(match[5]*60*60||0) + match[6]*60 + (+match[7]) + (match[8]/1000),
content:match[9].trim().replace(/{\\.+?}/g,'').replace(/\\N/gi,'\n').replace(/\\h/g,' ')
});
});
return {body:data.sort((a,b)=>a.from-b.from)};
},
decodeFromASS(input){
if(!input) return;
const data = [];
let split = input.split('\n');
split.forEach(line=>{
const match = line.match(this.assReg);
if (!match){
//console.log('跳过非正文行',line);
return;
}
data.push({
from:match[1]*60*60 + match[2]*60 + (+match[3]),
to:match[4]*60*60 + match[5]*60 + (+match[6]),
content:match[7].trim().replace(/{\\.+?}/g,'').replace(/\\N/gi,'\n').replace(/\\h/g,' ')
});
});
return {body:data.sort((a,b)=>a.from-b.from)};
}
};//decoder END
//旧版播放器CC字幕助手，需要维护整个设置面板和字幕逻辑
const oldPlayerHelper = {
setting:undefined,
subtitle:undefined,
selectedLan:undefined,
isclosed:true,
resizeRate: 100,
configs:{
color:[
{value:'16777215',content:'<span style="color:#FFF;text-shadow: #000 0px 0px 1px">白色</span>'},
{value:'16007990',content:'<b style="color:#F44336;text-shadow: #000 0px 0px 1px">红色</b>'},
{value:'10233776',content:'<b style="color:#9C27B0;text-shadow: #000 0px 0px 1px">紫色</b>'},
{value:'6765239',content:'<b style="color:#673AB7;text-shadow: #000 0px 0px 1px">深紫色</b>'},
{value:'4149685',content:'<b style="color:#3F51B5;text-shadow: #000 0px 0px 1px">靛青色</b>'},
{value:'2201331',content:'<b style="color:#2196F3;text-shadow: #000 0px 0px 1px">蓝色</b>'},
{value:'240116',content:'<b style="color:#03A9F4;text-shadow: #000 0px 0px 1px">亮蓝色</b>'}
],
position:[
{value:'bl',content:'左下角'},
{value:'bc',content:'底部居中'},
{value:'br',content:'右下角'},
{value:'tl',content:'左上角'},
{value:'tc',content:'顶部居中'},
{value:'tr',content:'右上角'}
],
shadow:[
{value:'0',content:'无描边',style:''},
{value:'1',content:'重墨',style:`text-shadow: #000 1px 0px 1px, #000 0px 1px 1px, #000 0px -1px 1px,#000 -1px 0px 1px;`},
{value:'2',content:'描边',style:`text-shadow: #000 0px 0px 1px, #000 0px 0px 1px, #000 0px 0px 1px;`},
{value:'3',content:'45°投影',style:`text-shadow: #000 1px 1px 2px, #000 0px 0px 1px;`}
]
},
saveSetting(){
try{
const playerSetting = localStorage.bilibili_player_settings?JSON.parse(localStorage.bilibili_player_settings):{};
playerSetting.subtitle = this.setting;
localStorage.bilibili_player_settings = JSON.stringify(playerSetting);
}catch(e){
bilibiliCCHelper.toast('保存字幕设置错误',e);
}
},
changeStyle(){
this.fontStyle.innerHTML = `span.subtitle-item-background{opacity: ${this.setting.backgroundopacity};}`
+ `span.subtitle-item-text {color:#${("000000"+this.setting.color.toString(16)).slice(-6)};}`
+ `span.subtitle-item {font-size: ${this.setting.fontsize*this.resizeRate}%;line-height: 110%;}`
+ `span.subtitle-item {${this.configs.shadow[this.setting.shadow].style}}`;
},
changePosition(){
this.subtitleContainer.className = 'subtitle-position subtitle-position-'
+(this.setting.position||'bc');
this.subtitleContainer.style = '';
},
changeResize(){
this.resizeRate = this.setting.scale?bilibiliCCHelper.window.player.getWidth()/1280*100:100;
this.changeStyle();
},
changeSubtitle(value=this.subtitle.subtitles[0].lan){
this.selectedLanguage.innerText = bilibiliCCHelper.getSubtitleInfo(value).lan_doc;
if(value=='close'){
if(!this.isclosed) {
this.isclosed = true;
bilibiliCCHelper.loadSubtitle(value);
//更换本地字幕不切换设置中的字幕开关状态
if(this.selectedLan!='local') this.setting.isclosed = true;
}
this.downloadBtn.classList.add('bpui-state-disabled','bpui-button-icon');
this.icon.innerHTML = elements.oldDisableIcon;
}
else if(value=='local') {
//本地字幕解码器产生加载事件后再切换状态
decoder.show((status)=>{
if(status==true){
this.downloadBtn.classList.remove('bpui-state-disabled','bpui-button-icon');
this.isclosed = false;
this.selectedLan = value;
this.icon.innerHTML = elements.oldEnableIcon;
}
});
}
else{
this.isclosed = false;
this.selectedLan = value;
this.icon.innerHTML = elements.oldEnableIcon;
this.setting.lan = value;
this.setting.isclosed = false;
bilibiliCCHelper.loadSubtitle(value);
this.downloadBtn.classList.remove('bpui-state-disabled','bpui-button-icon');
}
},
toggleSubtitle(){
if(this.isclosed) {
this.changeSubtitle(this.selectedLan);
}
else{
this.changeSubtitle('close');
}
},
initSubtitle(){
if(this.setting.isclosed) {
this.changeSubtitle('close');
}
else{
//查找本视频是否有之前选择过的语言，如果有则选择之前的语言
const lan = bilibiliCCHelper.getSubtitleInfo(this.setting.lan)&&this.setting.lan
this.changeSubtitle(lan);
}
//没有字幕时设置下一次切换字幕行为为本地字幕
if(!this.subtitle.count) this.selectedLan = 'local';
this.changeResize();
},
initUI(){
const preBtn = elements.getAs('.bilibili-player-video-btn-quality');
if(!preBtn) throw('没有找到视频清晰度按钮');
this.subtitleContainer = elements.getAs('.bilibili-player-video-subtitle>div');
const btn = preBtn.insertAdjacentElement('afterEnd',elements.createAs('div',{
className:"bilibili-player-video-btn",
id:'bilibili-player-subtitle-btn',
style:"display: block;",
innerHTML:elements.subtitleStyle,
onclick:(e)=>{
if(!this.panel.contains(e.target)) this.toggleSubtitle();
}
}));
//按钮
this.icon = elements.createAs('span',{
innerHTML: this.setting.isclosed?elements.oldDisableIcon:elements.oldEnableIcon
},btn);
//字幕样式表
this.fontStyle = elements.createAs('style',{type:"text/css"},btn);
const panel = this.panel = elements.createAs('div',{
id:'subtitle-setting-panel',
style:'position: absolute;bottom: 28px;right: 30px;background: white;border-radius: 4px;'
+'text-align: left;padding: 13px;display: none;cursor:default;'
},btn),
languageDiv = elements.createAs('div',{innerHTML:'<div>字幕</div>'},panel),
sizeDiv = elements.createAs('div',{innerHTML:'<div>字体大小</div>'},panel),
colorDiv = elements.createAs('div',{innerHTML:'<span>字幕颜色</span>'},panel),
shadowDiv = elements.createAs('div',{innerHTML:'<span>字幕描边</span>'},panel),
positionDiv = elements.createAs('div',{innerHTML:'<span>字幕位置</span>'},panel),
opacityDiv = elements.createAs('div',{innerHTML:'<div>背景不透明度</div>'},panel);
//选择字幕
this.selectedLanguage = elements.createSelector({
width:'100px',height:'180px',initValue:'close',
handler:(value)=>this.changeSubtitle(value),
datas:this.subtitle.subtitles.map(({lan,lan_doc})=>({content:lan_doc,value:lan}))
},languageDiv).firstElementChild;
//下载字幕
this.downloadBtn = elements.createAs('button',{
className: "bpui-button",style: 'padding:0 8px;',
innerText: "下载",
onclick: (ev)=>{
if(this.selectedLan=='close') return;
bilibiliCCHelper.downloadSubtitle(this.selectedLan, undefined, ev.ctrlKey);
}
},languageDiv);
//上传字幕
elements.createAs('a',{
className: this.subtitle.allow_submit?'bpui-button':'bpui-button bpui-state-disabled',
innerText: '添加字幕',
href: !this.subtitle.allow_submit?'javascript:'
:`https://member.bilibili.com/v2#/zimu/my-zimu/zimu-editor?cid=${window.cid}&${window.aid?`aid=${window.aid}`:`bvid=${window.bvid}`}`,
target: '_blank',
style: 'margin-right: 0px;height: 24px;padding:0 6px;',
title: this.subtitle.allow_submit?'':'本视频无法添加字幕，可能原因是:\r\n·UP主未允许观众投稿字幕\r\n·您未达到UP主设置的投稿字幕条件',
},languageDiv);
//字体大小
elements.createAs('input',{
style:"width: 70%;",type:"range",step:"25",
value: (this.setting.fontsize==0.6?0
:this.setting.fontsize==0.8?25
:this.setting.fontsize==1.3?75
:this.setting.fontsize==1.6?100:50),
oninput:(e)=>{
const v = e.target.value/25;
this.setting.fontsize = v>2?(v-2)*0.3+1:v*0.2+0.6;
this.changeStyle();
}
},sizeDiv);
//自动缩放
elements.createAs('input',{
id:'subtitle-auto-resize',
type:"checkbox",
checked:this.setting.scale,
onchange:(e)=>this.changeResize(this.setting.scale = e.target.checked)
},sizeDiv);
elements.createAs('label',{
style:"cursor:pointer",
innerText:'自动缩放'
},sizeDiv).setAttribute('for','subtitle-auto-resize');
//字幕颜色
elements.createSelector({
width:'74%',height:'120px',
initValue:this.setting.color,
handler:(value)=>this.changeStyle(this.setting.color=parseInt(value)),
datas:this.configs.color
},colorDiv);
//字幕阴影
elements.createSelector({
width:'74%',height:'120px',
initValue:this.setting.shadow,
handler:(value)=>this.changeStyle(this.setting.shadow=value),
datas:this.configs.shadow
},shadowDiv);
//字幕位置
elements.createSelector({
width:'74%',initValue:this.setting.position,
handler:(value)=>this.changePosition(this.setting.position=value),
datas:this.configs.position
},positionDiv);
//背景透明度
elements.createAs('input',{
style:"width: 100%;",
type:"range",
value: this.setting.backgroundopacity*100,
oninput:(e)=>{
this.changeStyle(this.setting.backgroundopacity = e.target.value/100);
}
},opacityDiv);
//播放器缩放
bilibiliCCHelper.window.player.addEventListener('video_resize', (event) => {
this.changeResize(event);
});
//退出页面保存配置
bilibiliCCHelper.window.addEventListener("beforeunload", (event) => {
this.saveSetting();
});
//初始化字幕
this.initSubtitle();
console.log('init cc helper button done');
},
init(subtitle){
this.subtitle = subtitle;
this.selectedLan = undefined;
try {
if (!localStorage.bilibili_player_settings) throw '当前播放器没有设置信息';
this.setting = JSON.parse(localStorage.bilibili_player_settings).subtitle;
if (!this.setting) throw '当前播放器没有字幕设置';
}catch (e) {
bilibiliCCHelper.toast('bilibili CC字幕助手读取设置出错,将使用默认设置:', e);
this.setting = {backgroundopacity: 0.5,color: 16777215,fontsize: 1,isclosed: false,scale: true,shadow: "0", position: 'bc'};
}
this.initUI();
}
};//oldPlayerHelper END
//2.x播放器CC字幕助手，需要维护下载按钮/本地字幕选项/关闭选项/需要时监听CC字幕按钮
const player2x = {
iconBtn:undefined,
icon:undefined,
panel:undefined,
downloadBtn:undefined,
selectedLan:undefined,
selectedLocal:false,
hasSubtitles:false,
updateDownloadBtn(value='close'){
this.selectedLan = value;
if(value=='close'){
this.downloadBtn.classList.add('bui-button-disabled','bpui-button-icon');
}
else{
this.selectedLocal = false;
this.downloadBtn.classList.remove('bui-button-disabled','bpui-button-icon');
}
},
initUI(){
const downloadBtn = this.downloadBtn = this.panel.nextElementSibling.cloneNode(),
selector = this.panel.querySelector('ul'),
selectedItem = selector.querySelector('li.bui-select-item.bui-select-item-active'),
closeItem = selector.querySelector('li.bui-select-item[data-value="close"]'),
localItem = closeItem.cloneNode();
elements.setAs(downloadBtn,{
style: 'min-width:unset!important',innerText: '下载',
onclick: (ev)=>{
if(this.selectedLan=='close') return;
bilibiliCCHelper.downloadSubtitle(this.selectedLan, undefined, ev.ctrlKey);
}
});
this.panel.insertAdjacentElement('afterend',downloadBtn);
this.updateDownloadBtn(selectedItem&&selectedItem.dataset.value);
//本地字幕
elements.setAs(localItem,{
innerText: '本地字幕',
onclick: ()=> {
decoder.show((status)=>{
if(status==true){
this.selectedLocal = true;
this.updateDownloadBtn('local');
this.icon.innerHTML = elements.newEnableIcon;
}
});
}
},selector);
//选中本地字幕后关闭需要手动执行
closeItem.addEventListener('click',()=>{
if(!this.selectedLocal) return;
this.selectedLocal = false;
bilibiliCCHelper.loadSubtitle('close');
this.icon.innerHTML = elements.newDisableIcon;
});
//视频本身没有字幕时，点击CC字幕按钮切换本地字幕和关闭
//视频本身有字幕时播放器自身会切换到视频自身字幕
if(!this.hasSubtitles && this.icon){
this.icon.innerHTML = elements.newDisableIcon;
this.icon.addEventListener('click',({target})=>{
if(!this.selectedLocal) localItem.click();
else closeItem.click();
});
}
new MutationObserver((mutations,observer)=>{
mutations.forEach(mutation=>{
if(!mutation.target||mutation.type!='attributes') return;
if(mutation.target.classList.contains('bui-select-item-active')&&mutation.target.dataset.value){
this.updateDownloadBtn(mutation.target.dataset.value);
}
});
}).observe(selector,{
subtree: true,
attributes: true,
attributeFilter: ['class']
});
console.log('Bilibili CC Helper init new UI success.');
},
//2.75版UI
initUI275(){
//下载标识
if (this.localPanel = this.panel.querySelector('.bilibili-player-video-subtitle-setting-item-body')) {
if (!(this.localButton = this.localPanel.querySelector('.bilibili-player-video-subtitle-setting-title'))) {
this.localPanel.insertAdjacentElement('afterbegin', elements.createAs('div', {
innerText: '字幕',
className: 'bilibili-player-video-subtitle-setting-title',
onclick:()=> decoder.show(status=>(status && (this.icon.innerHTML = elements.newEnableIcon)))
}));
}
else {
this.localButton.onclick = ()=> decoder.show(status=>{
if (status) {
this.selectedLocal = true;
this.icon.innerHTML = elements.newEnableIcon;
}
})
}
}
if (this.lngPanel = this.panel.querySelector('.bilibili-player-video-subtitle-setting-lan-majorlist')) {
this.lngPanel.addEventListener('click', function(ev) {
if (!(ev.target instanceof HTMLLIElement) || ev.target.lastChild.data=='本地字幕') return;
const rect = ev.target.getBoundingClientRect().right;
if (rect ==0 || rect -ev.x > 30) return;// 仅当点击字幕右侧30像素内的下载标识区域时触发下载
bilibiliCCHelper.downloadSubtitle(undefined, ev.target.lastChild.data, ev.ctrlKey);
return false;
});
}
elements.createAs('style', {
innerHTML:'.bilibili-player-video-subtitle-setting-lan-majorlist>li.bilibili-player-video-subtitle-setting-lan-majorlist-item:after {content: "下载";right: 12px;position: absolute;}'
+'.bilibili-player-video-subtitle-setting-title {cursor:pointer}.bilibili-player-video-subtitle-setting-title:before {content: "本地"}'
}, this.panel);
if(!this.hasSubtitles) {
this.icon.onclick = ()=>{
if (this.selectedLocal) {
this.selectedLocal = false;
bilibiliCCHelper.loadSubtitle('close');
this.icon.innerHTML = elements.newDisableIcon;
}
else {
this.localButton.click();
}
};
this.icon.innerHTML = elements.newDisableIcon; // 没有字幕时关闭按钮
}
console.log('Bilibili CC Helper init new 2.75 UI success.');
},
init(subtitle){
this.hasSubtitles = subtitle.count;
this.selectedLan = undefined;
this.selectedLocal = false;
this.iconBtn = elements.getAs('.bilibili-player-video-btn-subtitle');
this.panel = elements.getAs('.bilibili-player-video-subtitle-setting-lan');
this.icon = this.iconBtn.querySelector('.bilibili-player-iconfont-subtitle span');
//提高字幕位置高度，避免被遮挡无法拖动
elements.createAs('style', {innerHTML:'.bilibili-player-video-subtitle {z-index: 20;}'}, document.head);
if(this.panel){
this.initUI();
//设置ID标记视频为已注入，防止二次初始化
this.iconBtn.id = 'bilibili-player-subtitle-btn';
}
else if(this.iconBtn){
//强制显示新版播放器CC字幕按钮，不管视频有没有字幕，反正可以选择本地字幕
this.iconBtn.style = 'display:block';
//视频本身没有字幕时把按钮图标设置成关闭状态
if(!this.hasSubtitles&&this.icon) this.icon.innerHTML = elements.newDisableIcon;
//设置ID标记视频为已注入，防止二次初始化
this.iconBtn.id = 'bilibili-player-subtitle-btn';
new MutationObserver((mutations,observer)=>{
//console.log(mutations);
for (const mutation of mutations){
if(!mutation.target) continue;
if (mutation.target.classList.contains('bilibili-player-video-subtitle-setting-left')){
observer.disconnect();
if (this.panel = mutation.target.querySelector('.bilibili-player-video-subtitle-setting-lan')) {
this.initUI();
}
else {
this.panel = mutation.target;
this.initUI275();
}
return;
}
}
}).observe(this.iconBtn,{
childList: true,
subtree: true
});
}
else{
throw('找不到新播放器按钮');
}
},
};//player2x END
// 3.15新版播放器，只有下载功能
const player315 = {
panel:undefined,
initUI(){
//下载标识
elements.createAs('style',{
innerHTML:'.bpx-player-ctrl-subtitle-major-inner>.bpx-player-ctrl-subtitle-language-item:after {content: "下载";position:absolute;right:12px}'
}, this.panel);
this.panel.addEventListener('click', function(ev) {
if (!(ev.target || !ev.target.classList.contains('bpx-player-ctrl-subtitle-language-item'))) return;
const rect = ev.target.getBoundingClientRect().right;
if (rect ==0 || rect -ev.x > 30) return;// 仅当点击字幕右侧30像素内的下载标识区域时触发下载
bilibiliCCHelper.downloadSubtitle(ev.target.dataset.lan, ev.target.lastChild.data, ev.ctrlKey);
return false;
});
//设置ID标记视频为已注入，防止二次初始化
this.panel.id = 'bilibili-player-subtitle-btn';
console.log('3.15 Bilibili CC Helper init new Bangumi UI success.');
},
init(subtitle){
this.panel = elements.getAs('.bpx-player-ctrl-subtitle-major-content');
if (!this.panel) {
throw('无字幕');
}
this.initUI();
},
}; //player315end
//3.14版番剧播放器，仅下载功能
const player314 = {
iconBtn:undefined,
icon:undefined,
panel:undefined,
selectedLan:undefined,
selectedLocal:false,
hasSubtitles:false,
updateBtnIcon(value) {
if (value) {
this.icon.classList.add('squirtle-subtitle-show-state');
this.icon.classList.remove('squirtle-subtitle-hide-state');
} else {
this.icon.classList.add('squirtle-subtitle-hide-state');
this.icon.classList.remove('squirtle-subtitle-show-state');
}
},
initUI(){
//下载标识
elements.createAs('style', {innerHTML:'.squirtle-subtitle-select-list>li.squirtle-select-item:after {content: "下载";}'}, document.head);
this.panel.addEventListener('click', function(ev) {
if (!(ev.target instanceof HTMLLIElement)) return;
const rect = ev.target.getBoundingClientRect().right;
if (rect ==0 || rect -ev.x > 30) return;// 仅当点击字幕右侧30像素内的下载标识区域时触发下载
bilibiliCCHelper.getSubtitle(undefined, ev.target.lastChild.data).then(data=>{
encoder.showDialog(data,ev.ctrlKey);
}).catch(e=>{
bilibiliCCHelper.toast('获取字幕失败',e);
});
return false;
});
//设置ID标记视频为已注入，防止二次初始化
this.panel.id = 'bilibili-player-subtitle-btn';
//if(!this.hasSubtitles) this.updateBtnIcon(status); // 没有字幕时关闭按钮
console.log('Bilibili CC Helper init new Bangumi UI success.');
},
init(subtitle){
this.hasSubtitles = subtitle.count;
this.selectedLan = undefined;
this.selectedLocal = false;
this.iconBtn = elements.getAs('.squirtle-subtitle-wrap');
this.panel = elements.getAs('.squirtle-subtitle-select-list');
this.icon = this.iconBtn.querySelector('.squirtle-subtitle-icon');
if (!this.iconBtn) {
throw('找不到新播放器按钮');
}
if(this.panel) this.initUI();
},
};//player314 END
//启动器
const bilibiliCCHelper = {
window:"undefined"==typeof(unsafeWindow)?window:unsafeWindow,
player:undefined,
cid:undefined,
subtitle:undefined,
datas:undefined,
toast(msg,error){
if(error) console.error(msg,error);
if(!this.toastDiv){
this.toastDiv = document.createElement('div');
this.toastDiv.className = 'bilibili-player-video-toast-item';
}
const panel = elements.getAs('.bilibili-player-video-toast-top');
if(!panel) return;
clearTimeout(this.removeTimmer);
this.toastDiv.innerText = msg + (error?`:${error}`:'');
panel.appendChild(this.toastDiv);
this.removeTimmer = setTimeout(()=>{
panel.contains(this.toastDiv)&&panel.removeChild(this.toastDiv)
},3000);
},
async updateLocal(data){
this.datas.local = data;
return this.updateSubtitle(data);
},
async updateSubtitle(data){
this.window.player.updateSubtitle(data);
},
loadSubtitle(lan){
this.getSubtitle(lan)
.catch(()=>this.setupData(true)).then(()=>this.getSubtitle(lan)) //下载失败时，重新获取一遍字幕信息，因为自动字幕可能有过期时间
.then(data=>this.updateSubtitle(data))
.then(()=>this.toast(lan=='close'?'字幕已关闭':`载入字幕:${this.getSubtitleInfo(lan).lan_doc}`))
.catch(e=>this.toast('载入字幕失败',e));
},
downloadSubtitle(lan, name, direct){
this.getSubtitle(lan,name)
.catch(()=>this.setupData(true)).then(()=>this.getSubtitle(lan, name)) //下载失败时，重新获取一遍字幕信息，因为自动字幕可能有过期时间
.then(data=>encoder.showDialog(data,direct)).catch(e=>bilibiliCCHelper.toast('获取字幕失败',e));
},
async getSubtitle(lan, name){
if(this.datas[lan]) return this.datas[lan];
const item = this.getSubtitleInfo(lan, name);
if(!item) throw('找不到所选语言字幕'+lan);
if(this.datas[item.lan]) return this.datas[item.lan];
return fetch(item.subtitle_url)
.then(res=>res.json())
.then(data=>(this.datas[item.lan] = data));
},
getSubtitleInfo(lan, name){
return this.subtitle.subtitles.find(item=>item.lan==lan || item.lan_doc==name);
},
getInfo(name) {
return this.window[name]
|| this.window.__INITIAL_STATE__ && this.window.__INITIAL_STATE__[name]
|| this.window.__INITIAL_STATE__ && this.window.__INITIAL_STATE__.epInfo && this.window.__INITIAL_STATE__.epInfo[name]
|| this.window.__INITIAL_STATE__ && this.window.__INITIAL_STATE__.videoData && this.window.__INITIAL_STATE__.videoData[name];
},
getEpid(){
return this.getInfo('id')
|| /ep(\d+)/.test(location.pathname) && +RegExp.$1
|| /ss\d+/.test(location.pathname); // ss\d+当季第一集未知epid
},
getEpInfo(){
const bvid = this.getInfo('bvid'),
epid = this.getEpid(),
cidMap = this.getInfo('cidMap'),
page = this?.window?.__INITIAL_STATE__?.p;
let ep = cidMap?.[bvid];
if (ep) {
this.aid = ep.aid;
this.bvid = ep.bvid;
this.cid = ep.cids[page];
return this.cid;
}
ep = this.window.__NEXT_DATA__?.props?.pageProps?.dehydratedState?.queries
?.find(query=>query?.queryKey?.[0] == "pgc/view/web/season")
?.state?.data;
ep = (ep?.seasonInfo??ep)?.mediaInfo?.episodes
?.find(ep=>epid == true || ep.ep_id == epid);
if (ep) {
this.epid = ep.ep_id;
this.cid = ep.cid;
this.aid = ep.aid;
this.bvid = ep.bvid;
return this.cid;
}
ep = this.window.__INITIAL_STATE__?.epInfo;
if (ep){
this.epid = ep.id;
this.cid = ep.cid;
this.aid = ep.aid;
this.bvid = ep.bvid;
return this.cid;
}
ep = this.window.playerRaw?.getManifest();
if (ep){
this.epid = ep.episodeId;
this.cid = ep.cid;
this.aid = ep.aid;
this.bvid = ep.bvid;
return this.cid;
}
},
async setupData(force){
if(this.subtitle && (this.pcid == this.getEpInfo()) && !force) return this.subtitle;
if(location.pathname=='/blackboard/html5player.html') {
let match = location.search.match(/cid=(\d+)/i);
if(!match) return;
this.window.cid = match[1];
match = location.search.match(/aid=(\d+)/i);
if(match) this.window.aid = match[1];
match = location.search.match(/bvid=(\d+)/i);
if(match) this.window.bvid = match[1];
}
this.pcid = this.getEpInfo();
if((!this.cid&&!this.epid)||(!this.aid&&!this.bvid)) return;
this.player = this.window.player;
this.subtitle = {count:0,subtitles:[{lan:'close',lan_doc:'关闭'},{lan:'local',lan_doc:'本地字幕'}]};
if (!force) this.datas = {close:{body:[]},local:{body:[]}};
decoder.data = undefined;
return fetch(`https://api.bilibili.com/x/player/v2?${this.cid?`cid=${this.cid}`:`&ep_id=${this.epid}`}${this.aid?`&aid=${this.aid}`:`&bvid=${this.bvid}`}`, {credentials: 'include'}).then(res=>{
if (res.status==200) {
return res.json().then(ret=>{
if (ret.code == -404) {
return fetch(`//api.bilibili.com/x/v2/dm/view?${this.aid?`aid=${this.aid}`:`bvid=${this.bvid}`}&oid=${this.cid}&type=1`, {credentials: 'include'}).then(res=>{
return res.json()
}).then(ret=>{
if (ret.code!=0) throw('无法读取本视频APP字幕配置'+ret.message);
this.subtitle = ret.data && ret.data.subtitle || {subtitles:[]};
this.subtitle.count = this.subtitle.subtitles.length;
this.subtitle.subtitles.forEach(item=>(item.subtitle_url = item.subtitle_url.replace(/https?:\/\//,'//')))
this.subtitle.subtitles.push({lan:'close',lan_doc:'关闭'},{lan:'local',lan_doc:'本地字幕'});
this.subtitle.allow_submit = false;
return this.subtitle;
});
}
if(ret.code!=0||!ret.data||!ret.data.subtitle) throw('读取视频字幕配置错误:'+ret.code+ret.message);
this.subtitle = ret.data.subtitle;
this.subtitle.count = this.subtitle.subtitles.length;
this.subtitle.subtitles.push({lan:'close',lan_doc:'关闭'},{lan:'local',lan_doc:'本地字幕'});
return this.subtitle;
});
}
else {
throw('请求字幕配置失败:'+res.statusText);
}
})
},
tryInit(){
this.setupData().then(subtitle=>{
if(!subtitle) return;
if(elements.getAs('#bilibili-player-subtitle-btn')) {
console.log('CC助手已初始化');
}
else if(elements.getAs('.bilibili-player-video-btn-color')){
oldPlayerHelper.init(subtitle);
}
else if(elements.getAs('.bilibili-player-video-danmaku-setting')){
player2x.init(subtitle);
}
else if (elements.getAs('.bpx-player-ctrl-subtitle-major-content')){
player315.init(subtitle);
}
else if(elements.getAs('.squirtle-subtitle-wrap')){
player314.init(subtitle);
}
else {
console.log('bilibili cc未发现可识别版本播放器')
}
}).catch(e=>{
this.toast('CC字幕助手配置失败',e);
});
},
init(){
this.tryInit();
new MutationObserver((mutations, observer)=>{
//console.log(mutations)
for (const mutation of mutations){
if(!mutation.target) return;
if(mutation.target.getAttribute('stage')==1 // 2.x版本播放器
|| mutation.target.classList.contains('bpx-player-subtitle-wrap') || mutation.target.classList.contains('tit') // 3.22+版本播放器
|| mutation.target.classList.contains('bpx-player-ctrl-subtitle-bilingual') // 4.712播放器初始化
|| mutation.target.classList.contains('squirtle-quality-wrap')){ // 3.14版本番剧播放器
this.tryInit();
break;
}
}
}).observe(document.body,{
childList: true,
subtree: true,
});
}
};
bilibiliCCHelper.init();
})();
最后一次更新于2024-10-07
看不懂，但大受震撼
By 然 at October 7th, 2024 at 03:03 pm.