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B 站的直播的 HTML5 播放器
// ==UserScript==
// @name bilibili 直播 HTML5 播放器
// @namespace https://www.kindjeff.com/
// @version 2017.2.24
// @description B 站的直播的 HTML5 播放器
// @author kindJeff
// @match http://live.bilibili.com/*
// @match https://live.bilibili.com/*
// @require https://cdn.bootcss.com/hls.js/0.6.21/hls.min.js
// @require https://cdn.rawgit.com/weizhenye/Danmaku/b2ae44f7dcd28b27c31e5db5b512b9474d0396c7/dist/danmaku.min.js
// @run-at document-end
// ==/UserScript==
var room_id;
setTimeout(function(){
//var xhr = new XMLHttpRequest();
//xhr.onreadystatechange=function(){
// if (xhr.readyState==4 && xhr.status==200){
// eval(xhr.responseText);
var link = $('#player_object').children('[name="flashvars"]').val();
room_id = link.match(/cid=.*?&/)[0].slice(4,-1);
get_url_and_replace_player(room_id);
init_danmaku();
set_danmu_control();
click_list();
// }
//};
//xhr.open('GET', 'https://raw.githubusercontent.com/weizhenye/Danmaku/master/dist/danmaku.min.js');
//xhr.send();
}, 2000);
function get_url_and_replace_player(room_id){
var api_url = 'https://api.live.bilibili.com/api/playurl?platform=h5&cid=' + room_id;
$.ajax({
url: api_url,
type: "GET",
dataType: 'json',
success: function(data){
replace_player(data.data);
if(window.df_danmu_ws!==undefined){
window.i_close_it_myself = true;
window.df_danmu_ws.close();
window.df_danmu_ws = undefined;
}
var df_domain = 'broadcastlv.chat.bilibili.com';
var df_portobj = {'ws':7170, 'wss':7172};
window.df_danmu_ws = new DanmuSocket(parseInt(room_id), df_domain, df_portobj);
window.df_danmu_ws.setListener(danmuListener);
}
});
}
function replace_player(m3u8_url){
var w = $('#js-player-decorator').width();
var h = $('#js-player-decorator').height();
remove_player();
var player = document.createElement('video');
player.id = 'h5_player';
player.style.width = '100%';
player.style.height = '100%';
player.style.position = 'absolute';
player.setAttribute('controls', 'controls');
document.getElementById('js-player-decorator').appendChild(player);
if(Hls.isSupported()) {
var video = document.getElementById('h5_player');
var hls = new Hls();
hls.loadSource(m3u8_url);
hls.attachMedia(video);
hls.on(Hls.Events.MANIFEST_PARSED,function() {
video.play();
});
}
}
function remove_player(){
var flash_player = document.getElementById('player_object');
if(flash_player!==null)
flash_player.remove();
var html5_player = document.getElementById('h5_player');
if(html5_player!==null)
html5_player.remove();
}
function click_list(){
if(window.location.pathname==='/'){
$($('[role="list"]')[0]).children().on('click', function(){
var room_id = $(this).attr('data-cid');
get_url_and_replace_player(room_id);
});
}
}
/* danmaku */
const rawHeaderLen = 16;
const packetOffset = 0;
const headerOffset = 4;
const verOffset = 6;
const opOffset = 8;
const seqOffset = 12;
var pako = window.pako;
var textDecoder = getDecoder(true);
var textEncoder = getEncoder();
var heartbeatInterval;
function getDecoder (isUseful) {
if(window['TextDecoder'] && isUseful) {
return new window['TextDecoder']();
} else {
return {
decode: (buf) => {
return decodeURIComponent(window.escape(String.fromCharCode.apply(null, new Uint8Array(buf))));
}
}
}
}
function getEncoder () {
if(window['TextEncoder']) {
return new window['TextEncoder']();
} else {
return {
encode: (str) => {
let buf = new ArrayBuffer(str.length);
let bufView = new Uint8Array(buf);
for (let i = 0, strlen = str.length; i < strlen; i++) {
bufView[i] = str.charCodeAt(i);
}
return bufView;
}
}
}
}
function mergeArrayBuffer(ab1, ab2) {
var u81 = new Uint8Array(ab1),
u82 = new Uint8Array(ab2),
res = new Uint8Array(ab1.byteLength + ab2.byteLength);
res.set(u81, 0);
res.set(u82, ab1.byteLength);
return res.buffer;
}
class DanmuSocket {
constructor (roomid,domain,portobj) {
const ws = window.location.protocol.indexOf('https') > -1 ? 'wss' : 'ws';
const port = portobj[ws];
this.connection = new WebSocket(ws + "://"+ domain +":"+ port +"/sub");
this.connection.binaryType = 'arraybuffer';
this.connection.onopen = this.firstConnection.bind(this);
this.connection.onmessage = onMessage.bind(this);
this.connection.onclose = onClose.bind(this);
this.connection.onerror = onError.bind(this);
this.roomid = roomid
}
firstConnection () {
console.log("Danmu WebSocket Server Connected.");
console.log("Handshaking...");
var token = JSON.stringify({
'uid': 0,
'roomid': this.roomid
});
var headerBuf = new ArrayBuffer(rawHeaderLen);
var headerView = new DataView(headerBuf, 0);
var bodyBuf = textEncoder.encode(token);
headerView.setInt32(packetOffset, rawHeaderLen + bodyBuf.byteLength);
headerView.setInt16(headerOffset, rawHeaderLen);
headerView.setInt16(verOffset, 1);
headerView.setInt32(opOffset, 7);
headerView.setInt32(seqOffset, 1);
this.connection.send(mergeArrayBuffer(headerBuf, bodyBuf));
}
heartBeat () {
var headerBuf = new ArrayBuffer(rawHeaderLen);
var headerView = new DataView(headerBuf, 0);
headerView.setInt32(packetOffset, rawHeaderLen);
headerView.setInt16(headerOffset, rawHeaderLen);
headerView.setInt16(verOffset, 1);
headerView.setInt32(opOffset, 2);
headerView.setInt32(seqOffset, 1);
this.connection.send(headerBuf);
}
closeHeartBeat () {
clearInterval(this.heartBeating);
}
send (data) {
this.connection.send(data);
}
close () {
this.connection.close();
}
setListener (listener) {
this._listener = listener;
}
}
function onMessage (evt) {
var data = evt.data;
var dataView = new DataView(data, 0);
var packetLen = dataView.getInt32(packetOffset);
var headerLen = dataView.getInt16(headerOffset);
var ver = dataView.getInt16(verOffset);
var op = dataView.getInt32(opOffset);
var seq = dataView.getInt32(seqOffset);
switch(op) {
case 8:
this.heartBeat();
heartbeatInterval = setInterval(this.heartBeat.bind(this), 30 * 1000);
break;
case 3:
// console.log("online: " + dataView.getInt32(16));
if (this._listener) this._listener('online', dataView.getInt32(16));
break;
case 5:
var packetView = dataView;
var msg = data;
var msgBody;
for (var offset=0; offset<msg.byteLength; offset+=packetLen) {
packetLen = packetView.getInt32(offset);
headerLen = packetView.getInt16(offset+headerOffset);
msgBody = textDecoder.decode(msg.slice(offset+headerLen, offset+packetLen));
if (!msgBody) {
textDecoder = getDecoder(false);
msgBody = textDecoder.decode(msg.slice(offset+headerLen, offset+packetLen));
}
if (this._listener) this._listener('msg', msgBody);
}
break;
}
}
function onClose () {
if (heartbeatInterval) clearInterval(heartbeatInterval);
if(! i_close_it_myself){
var delay = Math.floor(Math.random() * (6 - 3) + 3);
setTimeout(this.firstConnection.bind(this), delay * 1000);
console.log(delay);
}
i_close_it_myself = false;
}
function onError () {
console.log("Client Error.");
}
/*******************/
function change_online(online) {
$('span.v-bottom').text(online + ' 人');
}
function emit_danmu(data) {
if(data.cmd==='DANMU_MSG'){
var msg = data.info[1];
window.df_danmaku.emit({
text: msg,
canvasStyle: {
font: data.info[0][2]+'px sans-serif',
textAlign: 'start',
textBaseline: 'bottom',
direction: 'inherit',
fillStyle: '#fff',
strokeStyle: '#000',
lineWidth: 1.2,
shadowBlur: 0,
shadowColor: '#000',
shadowOffsetX: 0,
shadowOffsetY: 0,
filter: 'none',
globalAlpha: 1.0
}
})
}else if(data.cmd==='WELCOME'){
}else if(data.cmd==='SEND_GIFT'){
}
}
function append_danmu(data) {
if(data.cmd==='DANMU_MSG'){
var u_name = data.info[2][1];
var uid = data.info[2][0];
var lv = data.info[4][0];
var rank = data.info[4][3]; if(typeof(rank)=='string'&&rank.indexOf('>')!==-1) {rank.replace('>', '>')}
var msg = data.info[1];
// console.log(u_name,uid,lv,rank,msg);
var comment_div = '<div class="msg-item-ctnr"><div class="chat-msg " data-uname="'+u_name+'" data-uid="'+uid+'"><div class="user-level-icon lv-'+lv+'"> UL '+lv+' <div class="user-level-info"><p>用户等级：'+lv+'</p><p><a href="http://live.bilibili.com/rank" target="_blank">排名：'+rank+'</a></p></div></div><span class="user-name color">'+u_name+' : </span><span class="msg-content">'+msg+'</span></div></div>';
$(comment_div).appendTo('#chat-msg-list');
if($('#chat-msg-list').children().length>100)
$('#chat-msg-list').children(':first').remove();
$("#chat-msg-list").scrollTop($("#chat-msg-list")[0].scrollHeight);
}
}
function danmuListener(content_type, content){
if(content_type==='online'){
if(window.dom_changed===undefined){
$('#h5_player').prev().appendTo('#js-player-decorator');
window.dom_changed = true;
}
change_online(content);
}else if(content_type==='msg'){
var content_obj = JSON.parse(content);
emit_danmu(content_obj);
append_danmu(content_obj);
}
}
function init_danmaku() {
window.df_danmaku = new Danmaku();
df_danmaku.init({
container: $('#js-player-decorator')[0],
video: $("#h5_player")[0],
engine:'canvas'
});
$('canvas')[0].style.position = 'absolute';
// send danmu
function send_danmu(){
var msg = $("#df-danmu-textbox").val();
var xhr = new XMLHttpRequest();
// xhr.setRequestHeader('X-Cookie', document.cookie);
xhr.open('POST', 'http://live.bilibili.com/msg/send');
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.send($.param({
color: 16777215,
fontsize: 25,
mode: 1,
msg: msg,
rnd: Math.floor(Date.now() / 1000),
roomid: room_id
}));
}
$("#danmu-textbox").off('keypress');
$("#danmu-textbox").off('keyup');
$("#danmu-textbox").off('keydown');
$("#danmu-send-btn").off('click');
$("#danmu-textbox")[0].id = 'df-danmu-textbox';
$("#danmu-send-btn")[0].id = 'df-danmu-send-btn';
$("#df-danmu-textbox").on('keyup', function (e) {
if(e.keyCode == 13){
send_danmu();
$("#df-danmu-textbox").val('');
e.preventDefault();
return false;
}
return true;
});
$("#df-danmu-send-btn").on('click', function (e) {
e.preventDefault();
send_danmu();
$("#df-danmu-textbox").val('');
});
}
function set_danmu_control(){
if(location.pathname==='/'){
return;
}
var control_btn = $("<button>关闭弹幕</button>");
control_btn.css('border-radius', '5px');
control_btn.css('font-size', '12px');
control_btn.height('21px');
$('.room-info.tag-ctnr.v-top').children().remove();
control_btn.appendTo('.room-info.tag-ctnr.v-top');
control_btn.on('click', function () {
if(control_btn.text()=='打开弹幕'){
control_btn.text('关闭弹幕');
$('canvas')[0].style.display = 'block';
}else{
$('canvas')[0].style.display = 'none';
control_btn.text('打开弹幕');
}
});
}