旧版播放器可启用CC字幕，HTML5播放器可载入本地字幕/下载字幕
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// ==UserScript==
// @name Bilibili CC字幕工具
// @namespace indefined
// @version 0.5.4
// @description 旧版播放器可启用CC字幕，HTML5播放器可载入本地字幕/下载字幕
// @author indefined
// @supportURL https://github.com/indefined/UserScripts/issues
// @include http*://www.bilibili.com/video/av*
// @include http*://www.bilibili.com/bangumi/play/ss*
// @include http*://www.bilibili.com/bangumi/play/ep*
// @include http*://www.bilibili.com/watchlater/
// @license MIT
// @grant none
// ==/UserScript==
(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:`
<span class="bp-svgicon"><svg width="22" height="22" viewBox="0 0 22 22" xmlns="http://www.w3.org/2000/svg">\
<path d="M15.172 18H4a2 2 0 0 1-2-2V6c0-.34.084-.658.233-.938l-.425-.426a1 1 0 1 1 1.414-1.414l15.556 15.556a1 \
1 0 0 1-1.414 1.414L15.172 18zM4.962 7.79C4.385 8.141 4 8.776 4 9.5v3a2 2 0 0 0 2 2h3a1 1 0 0 0 0-2H7a1 1 0 0 1\
-1-1v-1a1 1 0 0 1 .713-.958L4.962 7.79zM6.828 4H18a2 2 0 0 1 2 2v10c0 .34-.084.658-.233.938l-2.48-2.48A1 1 0 0 \
0 17 12.5h-1.672L14 11.172V10.5a1 1 0 0 1 1-1h2a1 1 0 0 0 0-2h-3a2 2 0 0 0-1.977 1.695L6.828 4z" fill="#fff" \
fill-rule="evenodd"></path></svg></span>`,
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);
}
};
//编码器，用于将B站BCC字幕编码为常见字幕格式下载
const encoder = {
//内嵌ASS格式头
assHead : [
'[Script Info]',
`Title: ${document.title}`,
'ScriptType: v4.00+',
'Collisions: Reverse',
'PlayResX: 1280',
'PlayResY: 720',
'WrapStyle: 3',
'ScaledBorderAndShadow: yes',
'; ----------------------',
'; 本字幕由CC字幕助手自动转换',
`; 字幕来源${document.location}`,
'; 脚本地址https://greasyfork.org/scripts/378513',
'; 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){
if(!data||!data.body instanceof Array){
throw '数据错误';
}
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;'
},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：${typeof(GM_info)!="undefined"&&GM_info.script.version||'unknow'}</a>`
},settingDiv),
textArea = this.textArea = elements.createAs('textarea',{
style: 'width: 400px;min-width: 300px;height: 400px;resize: both;padding: 5px;line-height: normal;border: 1px solid #e5e9ef;margin: 0px;'
},panel),
bottomPanel = elements.createAs('div',{},panel);
textArea.setAttribute('readonly',true);
elements.createRadio({
id:'subtitle-download-ass',name: "subtitle-type",value:"ASS",
onchange: ()=>this.encodeToASS(data.body)
},bottomPanel);
elements.createRadio({
id:'subtitle-download-srt',name: "subtitle-type",value:"SRT",
onchange: ()=>this.encodeToSRT(data.body)
},bottomPanel);
elements.createRadio({
id:'subtitle-download-lrc',name: "subtitle-type",value:"LRC",
onchange: ()=>this.encodeToLRC(data.body)
},bottomPanel);
elements.createRadio({
id:'subtitle-download-txt',name: "subtitle-type",value:"TXT",
onchange: ()=>this.updateDownload(data.body.map(item=>item.content).join('\r\n'),'txt')
},bottomPanel);
elements.createRadio({
id:'subtitle-download-bcc',name: "subtitle-type",value:"BCC",
onchange: ()=>this.updateDownload(JSON.stringify(data,undefined,2),'bcc')
},bottomPanel);
//下载
this.actionButton = elements.createAs('a',{
className: 'bpui-button bpui-state-disabled',
innerText: "下载",style: 'height: 24px;margin-right: 5px;'
},bottomPanel);
//关闭
elements.createAs('button',{
innerText: "关闭",className: "bpui-button",
onclick: ()=>document.body.removeChild(settingDiv)
},bottomPanel);
},
updateDownload(result,type){
this.textArea.value = result;
URL.revokeObjectURL(this.actionButton.href);
this.actionButton.classList.remove('bpui-state-disabled');
this.actionButton.href = URL.createObjectURL(new Blob([result],{type:'text/'+type}));
this.actionButton.download = `${document.title}.${type}`;
},
encodeToLRC(data){
this.updateDownload(data.map(({from,to,content})=>{
return `${this.encodeTime(from,'LRC')} ${content.replace(/\n/g,' ')}`;
}).join('\r\n'),'lrc');
},
encodeToSRT(data){
this.updateDownload(data.map(({from,to,content},index)=>{
return `${index+1}\r\n${this.encodeTime(from)} --> ${this.encodeTime(to)}\r\n${content}`;
}).join('\r\n\r\n'),'srt');
},
encodeToASS(data){
this.assHead[1] = `Title: ${document.title}`;
this.assHead[10] = `; 字幕来源${document.location}`;
this.updateDownload(this.assHead.concat(data.map(({from,to,content})=>{
return `Dialogue: 0,${this.encodeTime(from,'ASS')},${this.encodeTime(to,'ASS')},*Default,NTP,0000,0000,0000,,${content.replace(/\n/g,'\\N')}`;
})).join('\r\n'),'ass');
},
encodeTime(input,format='SRT'){
let time = new Date(input*1000),
ms = time.getMilliseconds(),
second = time.getSeconds(),
minute = time.getMinutes(),
hour = Math.floor(input/60/60);
if (format=='SRT'){
if (hour<10) hour = '0'+hour;
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '00'+ms;
else if (ms<100) ms = '0'+ms;
return `${hour}:${minute}:${second},${ms}`;
}
else if(format=='ASS'){
ms = (ms/10).toFixed(0);
if (minute<10) minute = '0'+minute;
if (second<10) second = '0'+second;
if (ms<10) ms = '0'+ms;
return `${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,
show(){
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，双击恢复字幕时间偏移
elements.createAs('div',{
style:"margin-bottom: 5px;cursor:move;user-select:none;line-height:1;",
innerText:'本地字幕选择',
ondblclick:()=> +this.offset.value&&this.handleSubtitle(this.offset.value=0),
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,.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}">${item}</option>`,''),
oninput: ({target})=> this.readFile(this.encoding = target.value)
},this.dialog);
//字幕偏移，保存DOM对象以便修改显示偏移，更改时调用字幕处理显示
elements.createAs('label',{style: "margin-left: 10px;",innerText: '时间偏移(s)'},this.dialog);
this.offset = elements.createAs('input',{
style: "margin-left: 10px;width: 50px;border: 1px solid #ccd0d7;border-radius: 4px;line-height: 20px;",
type:'number', step:0.5, value:0,
title:'字幕相对于视频的时间偏移，负值表示将字幕延后，正值将字幕提前\r\n双击面板标题复位时间偏移',
oninput: ()=> this.handleSubtitle()
},this.dialog);
//关闭按钮
elements.createAs('button',{
style: "margin-left: 10px;",className:'bpui-button',innerText: '关闭面板',
onclick: ()=> elements.getAs('#bilibiliPlayer').removeChild(this.dialog)
},this.dialog);
//文件读取器，载入文件
this.reader = new FileReader();
this.reader.onloadend = ()=> this.decodeFile()
this.reader.onerror = e=> bilibiliCCHelper.toast('载入字幕失败',e);
}
else{
elements.getAs('#bilibiliPlayer').appendChild(this.dialog);
this.handleSubtitle();
}
},
dialogMove(ev){
if (ev.type=='mousedown'){
this.offsetT = ev.pageY-this.dialog.offsetTop;
this.offsetL = ev.pageX-this.dialog.offsetLeft;
document.body.addEventListener('mouseup',this.moveAction);
document.body.addEventListener('mousemove',this.moveAction);
}
else if (ev.type=='mouseup'){
document.body.removeEventListener('mouseup',this.moveAction);
document.body.removeEventListener('mousemove',this.moveAction);
}
else{
this.dialog.style.top = ev.pageY - this.offsetT + 'px';
this.dialog.style.left = ev.pageX - this.offsetL +'px';
}
},
readFile(){
if(!this.file) {
this.data = undefined;
return bilibiliCCHelper.toast('没有文件');
}
this.reader.readAsText(this.file,this.encoding)
},
handleSubtitle(){
if(!this.data) return;
try{
const offset = +this.offset.value;
player.updateSubtitle(!offset?this.data:{
body:this.data.body.map(({from,to,content})=>({
from:from + offset,
to:to + offset,
content
}))
});
bilibiliCCHelper.toast(`载入本地字幕:${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':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).reduce((result,item,index)=>(
item.content!=''&&result.push({
from:item.time,
to:index==data.length-1?item.time+20:data[index+1].time,
content:item.content
}),result
),[])
};
},
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 = 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?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{
this.isclosed = false;
this.selectedLan = value;
this.icon.innerHTML = elements.oldEnableIcon;
if(value=='local') {
decoder.show();
this.downloadBtn.classList.add('bpui-state-disabled','bpui-button-icon');
}
else {
//更换本地字幕不切换设置中的字幕开关状态
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: ()=>{
if(this.selectedLan=='close') return;
bilibiliCCHelper.getSubtitle(this.selectedLan).then(data=>{
encoder.showDialog(data);
}).catch(e=>{
bilibiliCCHelper.toast('获取字幕失败',e);
});
}
},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?`https://member.bilibili.com/v2#/zimu/my-zimu/zimu-editor?aid=${window.aid}&cid=${window.cid}`:'javascript:',
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
player.addEventListener('video_resize', (event) => {
this.changeResize(event);
});
//退出页面保存配置
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;
this.setting = JSON.parse(localStorage.bilibili_player_settings).subtitle;
if(!this.setting) throw('获取设置失败');
this.initUI();
}
};//oldPlayerHelper END
//新版播放器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 newPlayerHelper = {
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: ()=>{
if(this.selectedLan=='close') return;
bilibiliCCHelper.getSubtitle(this.selectedLan).then(data=>{
encoder.showDialog(data);
}).catch(e=>{
bilibiliCCHelper.toast('获取字幕失败',e);
});
}
});
this.panel.insertAdjacentElement('afterend',downloadBtn);
this.updateDownloadBtn(selectedItem&&selectedItem.dataset.value);
//本地字幕
elements.setAs(localItem,{
innerText: '本地字幕',
onclick: ()=> {
this.selectedLocal = true;
decoder.show();
}
},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');
});
//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.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.');
},
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');
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)=>{
for (const mutation of mutations){
if(!mutation.target) continue;
if(mutation.target.classList.contains('bilibili-player-video-subtitle-setting-lan')){
observer.disconnect();
this.panel = mutation.target;
this.initUI();
return;
}
}
}).observe(this.iconBtn,{
childList: true,
subtree: true
});
}
else{
throw('找不到新播放器按钮');
}
},
};//newPlayerHelper END
//启动器
const bilibiliCCHelper = {
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?`:${error}`:'');
panel.appendChild(this.toastDiv);
this.removeTimmer = setTimeout(()=>{
panel.contains(this.toastDiv)&&panel.removeChild(this.toastDiv)
},3000);
},
loadSubtitle(lan){
this.getSubtitle(lan).then(data=>{
player.updateSubtitle(data);
this.toast(lan=='close'?'字幕已关闭':`载入字幕:${this.getSubtitleInfo(lan).lan_doc}`);
}).catch(e=>{
this.toast('载入字幕失败',e);
});
},
async getSubtitle(lan){
if(this.datas[lan]) return this.datas[lan];
const item = this.getSubtitleInfo(lan);
if(!item) throw('找不到所选语言字幕'+lan);
return fetch(item.subtitle_url)
.then(res=>res.json())
.then(data=>(this.datas[lan] = data));
},
getSubtitleInfo(lan){
return this.subtitle.subtitles.find(item=>item.lan==lan);
},
async setupData(){
if(this.cid==window.cid && this.subtitle) return this.subtitle;
this.cid = window.cid;
this.subtitle = undefined;
this.datas = {close:{body:[]},local:{body:[]}};
decoder.data = undefined;
return this.cid&&fetch(`//api.bilibili.com/x/player.so?id=cid:${window.cid}&aid=${window.aid}`)
.then(res=>res.text())
.then(data=>data.match(/(?:<subtitle>)(.+)(?:<\/subtitle>)/))
.then(match=>{
if(!match) throw('无法读取本视频字幕配置');
this.subtitle = JSON.parse(match[1]);
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;
});
},
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')){
newPlayerHelper.init(subtitle);
}
}).catch(e=>{
this.toast('CC字幕助手配置失败',e);
});
},
init(){
this.tryInit();
new MutationObserver((mutations, observer)=>{
mutations.forEach(mutation=>{
if(!mutation.target) return;
if(mutation.target.getAttribute('stage')==0){
this.tryInit();
}
});
}).observe(document.body,{
childList: true,
subtree: true,
});
}
};
bilibiliCCHelper.init();
})();