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recordrtc

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RecordRTC is a server-less (entire client-side) JavaScript library can be used to record WebRTC audio/video media streams. It supports cross-browser audio/video recording.

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<!DOCTYPE html> <html itemscope itemtype="http://schema.org/WebPage"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0, user-scalable=no"> <title>Canvas Animation Recording using RecordRTC</title> <meta name="description" content="Record canvas animation using RecordRTC."> <meta name="author" content="Muaz Khan"><link rel="author" type="text/html" href="https://plus.google.com/100325991024054712503"> <style> /* Muaz Khan (@muazkh) */ ::-webkit-scrollbar { height: 0; overflow: visible; width: 10px; border-left:1px solid rgb(229, 229, 229); } ::-webkit-scrollbar-thumb { background-color: rgba(0, 0, 0, .2); background-clip: padding-box; min-height: 28px; padding: 100px 0 0; box-shadow: inset 1px 1px 0 rgba(0,0,0,.1),inset 0 -1px 0 rgba(0,0,0,.07); border-width: 1px 1px 1px 6px; } ::-webkit-scrollbar-button { height: 0; width: 0; } ::-webkit-scrollbar-track { background-clip: padding-box; border: solid transparent; border-width: 0 0 0 4px; } ::-webkit-scrollbar-corner { background: transparent; } ::selection, ::-moz-selection { background: #00A2E8; color: #fff; text-shadow: none; } html, body, .footer, input, textarea, h1, h2 { margin: 0; padding: 0; word-wrap: break-word; -o-text-overflow: ellipsis; -ms-text-overflow: ellipsis; text-overflow: ellipsis; font-family: Verdana, arial, helvetica, sans-serif } html { background-color: #FBFBFB; font-size: 13px; height:100%; cursor: default; overflow-x: hidden; } .footer { border-top: 1px solid #E5E5E5; text-align: center; } h1, h2 { border-bottom: 1px solid #E5E5E5; text-align: center; text-shadow: 1px 1px #E5E5E5, 2px 2px white, 3px 3px #E5E5E5; color: #6c96c8; font-size: 350%; font-weight: normal; padding-bottom: 10px; overflow:hidden; height: 55px; } h1, .footer, .no-user-select, .view-buttons a { -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; } h1 { background: -moz-linear-gradient(top, rgba(255,255,255,1) 0%, rgba(243,243,243,1) 97%, rgba(237,237,237,1) 97%, rgba(255,255,255,1) 100%); /* FF3.6+ */ background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,1)), color-stop(97%,rgba(243,243,243,1)), color-stop(97%,rgba(237,237,237,1)), color-stop(100%,rgba(255,255,255,1))); /* Chrome,Safari4+ */ background: -webkit-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(243,243,243,1) 97%,rgba(237,237,237,1) 97%,rgba(255,255,255,1) 100%); /* Chrome10+,Safari5.1+ */ background: -o-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(243,243,243,1) 97%,rgba(237,237,237,1) 97%,rgba(255,255,255,1) 100%); /* Opera 11.10+ */ background: -ms-linear-gradient(top, rgba(255,255,255,1) 0%,rgba(243,243,243,1) 97%,rgba(237,237,237,1) 97%,rgba(255,255,255,1) 100%); /* IE10+ */ background: linear-gradient(top, rgba(255,255,255,1) 0%,rgba(243,243,243,1) 97%,rgba(237,237,237,1) 97%,rgba(255,255,255,1) 100%); /* W3C */ filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#ffffff',GradientType=0 ); /* IE6-9 */ } h2 { font-size: 30px; font-weight: normal; text-align: left; height: auto; } a { color: #0b7aff; text-decoration: none; } a:hover { color: #043877; } section h2, section p, section pre, div h2, div p, div pre { padding: 1% 2%; } pre, code { font-family: Consolas, "Andale Mono", "Lucida Console", "Courier New", monospace; color: #666 } img { width: 100%; -webkit-user-drag: none; } img:hover { box-shadow: 0 0 3px rgb(0, 162, 232); } img, .view-buttons a { border: 1px solid rgb(0, 162, 232); border-radius: 3px; box-shadow: 0 0 5px rgb(0, 162, 232); } .view-buttons a { padding: 5px 10px; background-color: #FBFBFB; } .view-buttons { padding: 20px; text-align: center; } ::-webkit-scrollbar { width: 0; height: 0; } </style> </head> <body> <h1> Click to <button id="btn-record-webm" style="font-size:inherit;">Record as WebM</button> </h1> <section> <canvas id="canvas"></canvas> </section> <script> if(!innerWidth) var innerWidth = document.body.clientWidth; if(!innerHeight) var innerHeight = document.body.clientHeight; innerHeight = innerHeight - (innerHeight / 3); document.createElement("canvas").getContext?(function(){function a(){s.closePath(),s.fillStyle="rgba("+parseInt(Math.random()*255)+", "+parseInt(Math.random()*255)+", "+parseInt(Math.random()*255)+", .9)",s.fill(),s.beginPath()}function l(){var v;c+=5,h===1&&(t+=5,o+=5,n+=5,u+=5,c>20&&(h=2)),h===2&&(t-=5,o-=5,n-=5,u-=5,c>40&&(h=3)),h===3&&(f+=5,r+=5,i+=5,e+=5,c>60&&(h=4)),h===4&&(f-=5,r-=5,i-=5,e-=5,c>80&&(c=0,h=1)),s.clearRect(0,0,5e4,5e4);var y=[[t,n],[t,n],[t+269,n+69],[t+269,n+69],[t+211,n-162],[t+211,n-162],[t+23,n-213],[t+23,n-213],[t-165,n-60],[t-165,n-60],[t-72,n+116],[t-72,n+116],[t+74,n+117],[t+74,n+117],[t+128,n+128],[t+128,n+128],[t+274,n+15],[t+274,n+15],[t+137,n-158],[t+137,n-158],[t-80,n-97],[t-80,n-97],[t-114,n-10],[t-114,n-10],[t-165,n-57],[t-165,n-57],[t-72,n+118],[t-72,n+118],[t+72,n+117],[t+72,n+117],[t+268,n+67],[t+268,n+67],[t+211,n-162],[t+211,n-162],[t+24,n-211],[t+24,n-211]],p=[[f,i,r,e,o,u],[f+95,i+139,r-46,e+104,o,u],[f+186,i+153,r-44,e+97,o+29,u+3],[f+326,i+112,r+24,e+55,o+29,u+3],[f+317,i+12,r-7,e+77,o+5,u-65],[f+262,i-64,r-58,e-55,o+5,u-65],[f+154,i-43,r-116,e+6,o-88,u-76],[f+72,i-84,r-187,e-35,o-88,u-76],[f-81,i+111,r-162,e+70,o-142,u-39],[f-51,i+31,r-195,e-15,o-142,u-39],[f+78,i+239,r-123,e+142,o-124,u+47],[f-9,i+207,r-250,e+109,o-124,u+47],[f+107,i+229,r-162,e+130,o-55,u+61],[f+206,i+213,r-81,e+127,o-55,u+61],[f+196,i+191,r+67,e+166,o+151,u+108],[f+250,i+283,r+110,e+204,o+151,u+108],[f+283,i+100,r+87,e+12,o+136,u-78],[f+409,i+38,r+137,e-10,o+136,u-78],[f+164,i-44,r-76,e-50,o-36,u-163],[f+204,i-101,r-53,e-107,o-36,u-163],[f+23,i-2,r-156,e-53,o-118,u-132],[f-43,i-51,r-162,e-77,o-118,u-132],[f-26,i+101,r-190,e+86,o-189,u+73],[f-65,i+121,r-264,e+117,o-189,u+73],[f-65,i+121,r-264,e+117,o-363,u-30],[f-55,i+5,r-326,e-61,o-363,u-30],[f-61,i+140,r-261,e+205,o-239,u+204],[f+101,i+266,r-208,e+249,o-239,u+204],[f+110,i+237,r-161,e+190,o-22,u+238],[f+110,i+237,r+47,e+161,o-22,u+238],[f+309,i+214,r+121,e+202,o+254,u+160],[f+309,i+214,r+192,e+61,o+254,u+160],[f+325,i+14,r+161,e-98,o+178,u-203],[f+239,i-124,r+116,e-130,o+178,u-203],[f+179,i-105,r-74,e-175,o-104,u-255],[f+13,i-51,r-152,e-169,o-104,u-255]],w=36;for(v=0;v<w;v++)s.moveTo(y[v][0],y[v][1]),s.bezierCurveTo(p[v][0],p[v][1],p[v][2],p[v][3],p[v][4],p[v][5]),s.translate(y[v][0],y[v][1]),s.rotate(.001),s.translate(-y[v][0],-y[v][1]),a();oninterval(l)}var s;window.oninterval=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(n){window.setTimeout(n,1e3/60)}}(),s=document.getElementById("canvas").getContext("2d"),s.canvas.width=innerWidth,s.canvas.height=innerHeight,s.lineWidth=2;var c=0,h=1,t=396,n=342,f=339,i=232,r=529,e=255,o=498,u=322;l()})():(alert("Your browser is not supporting HTML5 Canvas APIs!")) </script> <script> (function () { if (!document.createElement('canvas').getContext) { document.body.innerHTML = '<h1 style="height:auto;color:red;font-size:30px;">Excuse me Sir,<br /><br />You are using very old web-browser!<br /><br />Please upgrade it.</h1>'; } var prepend = function (parent, elementToPrepend) { return parent.insertBefore(elementToPrepend, parent.firstChild); }; var div = document.createElement('div'); div.innerHTML = '<g:plusone size="tall"></g:plusone>'; div.className = 'gplus-button'; div.style.position = 'absolute'; div.style.top = 0; div.style.padding = '3px 0'; div.style.right = '30px'; var body = document.body; if(body.insertBefore) prepend(body, div); else document.body.appendChild(div); })(); (function () { var lastTime = 0, vendors = ['ms', 'moz', 'webkit', 'o']; for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) { window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame']; window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] || window[vendors[x] + 'RequestCancelAnimationFrame']; } if (!window.requestAnimationFrame) window.requestAnimationFrame = function (callback, element) { var currTime = new Date().getTime(); var timeToCall = Math.max(0, 16 - (currTime - lastTime)); var id = window.setTimeout(function () { callback(currTime + timeToCall); }, timeToCall); lastTime = currTime + timeToCall; return id; }; if (!window.cancelAnimationFrame) window.cancelAnimationFrame = function (id) { clearTimeout(id); }; }()); </script> <!-- below section handles RecordRTC and WhammyRecorder --> <script src="https://cdn.WebRTC-Experiment.com/RecordRTC.js"></script> <script> document.getElementById('btn-record-webm').onclick = function() { this.disabled = true; var video = new Whammy.Video(100); var canvas = document.getElementById('canvas'); var stop = false; var lastTime = (new Date).getTime(); (function looper() { var currentTime = (new Date).getTime(); video.frames.push({ duration: currentTime - lastTime, image: canvas.toDataURL('image/webp', 1) }); lastTime = currentTime; if(stop) { video.compile(function(blob) { document.body.innerHTML = '<video controls src="' + URL.createObjectURL(blob) + '" autoplay loop></video>'; }) return; } setTimeout(looper, 100); })(); var seconds = 15; var interval = setInterval(function() { seconds--; document.querySelector('h1').innerHTML = seconds + ' seconds remaining.'; }, 1000); setTimeout(function() { clearTimeout(interval); stop = true; }, seconds * 1000); }; </script> </body> </html>