gliese1337

import beamcoder from 'beamcoder';
import { Readable, Writable } from 'stream';

async function * transform(demuxer: beamcoder.Demuxer) {
  const vdec = beamcoder.decoder({ name: 'h264' });
  const adec = beamcoder.decoder({ name: 'aac' });

  const venc = beamcoder.encoder({ name: 'h264' });
  const aenc = beamcoder.encoder({ name: 'aac' });

gliese1337

const clauses = new Symbol();
	
function Multimethod(){
	const self = !!new.target ? this : Object.create(Multimethod.prototype);
	self[clauses] = [];
	return new Proxy(self,{
		apply: function(target, thisArg, args){
			let curImpl = () => throw new Error("No Matching Implementation");
			let curLen = -1;
			for(const { thisPredicate, predicates, impl } of self[clauses]){

gliese1337

function TM(tape, alphabet, states, start){
	var state, transition, symbol,
		counter = 0, stateId = start, pos = 0;
	while(true){
		symbol = tape[pos];
		if(typeof symbol === 'undefined'){
			symbol = alphabet[0];
			tape[pos] = symbol;
		}
		state = states[stateId];

gliese1337

var Earley = (function(){

	function Grammar(rules) {
		this.symbols = {};
		rules.forEach(function(rule) {
			// "A -> B C | D" -> ["A ", " B C | D"]
			var parts = rule.split('->');
			var lhs = parts[0].trim();
			var rhss = parts[1].trim();
			// "B C | D" -> ["B C", "D"]

gliese1337

/* Looping version */

function fib(n){
	var fk = 0, fkp = 1,
		f2k, f2kp, b;
	for(b = Math.floor(Math.log(n)/Math.LN2); b > 0; b--){
		f2k = fk*(2*fkp-fk);
		f2kp = fkp*fkp+fk*fk;
		if(n&(1<<b)){
			fk = f2kp;

gliese1337

/**
 * precise version of Date.now() -
 * It provide submillisecond precision based on window.performance.now() when 
 * available, fall back on Date.now()
 * see http://updates.html5rocks.com/2012/05/requestAnimationFrame-API-now-with-sub-millisecond-precision 
*/
var nowSubms	= (function(){
	var p	= window.performance	|| {};
	if( p.now )		return function(){ return p.timing.navigationStart + p.now();		};
	else if( p.mozNow )	return function(){ return p.timing.navigationStart + p.mozNow();	};

gliese1337

Audio = (function(){
	return {
		sampleRate:44100,
		channelCount:1,
		WriteAudio:function(soundData){
			new Audio( 'data:audio/wav;base64,'+btoa(
				audioLib.PCMData.encode({
					data:		soundData,
					sampleRate:	this.sampleRate,
					channelCount:	this.channelCount,

gliese1337

/*
http://www.whatwg.org/specs/web-apps/current-work/webvtt.html
*/
function parseWebVTT(input){
	"use strict";
	var line,l,p,cue_list=[],
		cue,cue_text,id,fields,
		time_pat = /\s*(\d*:?[0-5]\d:[0-5]\d\.\d\d\d)\s*-->\s*(\d*:?[0-5]\d:[0-5]\d\.\d\d\d)\s*(.*)/;

	//If the first character is a BYTE ORDER MARK (BOM) character, advance position to the next character in input.

gliese1337

/*
 * No sentinel results in reading the entire stream until it ends, a
 * numeric sentinel reads fixed length chunks, and a string sentinel
 * reads chunks bounded by the sentinel string
*/
exports.accumulate = function(stream,opts,callback){
	stream.pause();
	if(!callback){
		callback = opts;
		opts = {encoding:'utf8'};

gliese1337

function emit_string(obj,data,encoding){
	obj.emit('data',(data instanceof Buffer
			?data.toString(encoding)
			:data[0])
	);
}

function emit_buffer(obj,data){
	obj.emit('data',(data instanceof Buffer
			?data:new Buffer(data[0],data[1]))