| Index: conformance/more/demos/video.html
|
| ===================================================================
|
| --- conformance/more/demos/video.html (revision 106149)
|
| +++ conformance/more/demos/video.html (working copy)
|
| @@ -1,135 +0,0 @@
|
| -<html>
|
| -<head>
|
| -<meta charset="utf-8">
|
| -<script type="application/x-javascript" src="../util.js"></script>
|
| -<script>
|
| -var processor = {
|
| - lastTime : new Date,
|
| - timerCallback: function() {
|
| - if (this.video.paused || this.video.ended) {
|
| - return;
|
| - }
|
| - this.computeFrame();
|
| - var t = new Date;
|
| - var elapsed = t - this.lastTime;
|
| - this.lastTime = t;
|
| - var self = this;
|
| - setTimeout(function () {
|
| - self.timerCallback();
|
| - }, Math.max(0, 33-elapsed));
|
| - },
|
| -
|
| - init: function() {
|
| - if (this.initDone) return;
|
| - this.c2 = document.getElementById("c2");
|
| - this.ctx2 = this.c2.getContext(GL_CONTEXT_ID);
|
| - this.greenScreen = new Filter(this.ctx2, 'identity-flip-vert', 'greenScreen');
|
| - this.ctx2.activeTexture(this.ctx2.TEXTURE0);
|
| - this.tex = loadTexture(this.ctx2, this.c1, false);
|
| - this.ctx2.activeTexture(this.ctx2.TEXTURE1);
|
| - this.tex2 = loadTexture(this.ctx2, document.getElementById('i'), false);
|
| - this.ctx2.activeTexture(this.ctx2.TEXTURE0);
|
| - this.initDone = true;
|
| - },
|
| -
|
| - doLoad: function() {
|
| - this.video = document.getElementById("video");
|
| - this.c1 = document.getElementById("c1");
|
| - this.ctx1 = this.c1.getContext("2d");
|
| - this.ctx1.globalCompositeOperation = 'copy';
|
| - this.ctx1.fillRect(0,0,this.c1.width, this.c1.height);
|
| - var self = this;
|
| - this.video.addEventListener("play", function() {
|
| - self.init();
|
| - self.width = self.video.videoWidth;
|
| - self.height = self.video.videoHeight;
|
| - self.lastTime = new Date;
|
| - self.timerCallback();
|
| - }, false);
|
| - },
|
| -
|
| - computeFrame: function() {
|
| -// this.ctx1.drawImage(this.video, 0, 0, this.width, this.height);
|
| - this.ctx2.texImage2D(this.ctx2.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, this.video);
|
| - this.greenScreen.apply(function(s) {
|
| - s.uniform1i('Texture', 0);
|
| - s.uniform1i('Texture2', 1);
|
| - });
|
| -
|
| - return;
|
| - }
|
| -};
|
| -
|
| -</script>
|
| -<script id="identity-flip-vert" type="x-shader/x-vertex">
|
| - attribute vec3 Vertex;
|
| - attribute vec2 Tex;
|
| -
|
| - varying vec4 texCoord0;
|
| - void main()
|
| - {
|
| - texCoord0 = vec4(Tex.s,1.0-Tex.t,0.0,0.0);
|
| - gl_Position = vec4(Vertex, 1.0);
|
| - }
|
| -</script>
|
| -<script id="greenScreen" type="x-shader/x-fragment">
|
| - precision mediump float;
|
| -
|
| - uniform sampler2D Texture;
|
| - uniform sampler2D Texture2;
|
| -
|
| - varying vec4 texCoord0;
|
| - void main()
|
| - {
|
| - vec4 c = texture2D(Texture, texCoord0.st);
|
| - float r = c.r * 0.5;
|
| - float a = c.g * 6.28;
|
| - float x = cos(a) * r;
|
| - float y = sin(a) * r;
|
| - vec4 c2 = texture2D(Texture2, vec2(0.7+x, 0.5+y));
|
| - // Shaders with branches are not allowed when dealing with non-SOP content
|
| - // so instead of "if (b) c2.a = 0;", we use mix()
|
| - bool b = (c.g > 120.0/255.0 && c.r > 120.0/255.0 && c.b < 50.0/255.0);
|
| - c2.a = mix(c2.a, 0.0, float(b));
|
| - gl_FragColor = c2;
|
| - }
|
| -</script>
|
| - <style>
|
| - body {
|
| - background: black;
|
| - color:#CCCCCC;
|
| - }
|
| - a {
|
| - color: white;
|
| - }
|
| - #c2 {
|
| - background-image: url(http://www.mozbox.org/pub/green/foo.png);
|
| - background-repeat: repeat;
|
| - }
|
| - div {
|
| - float: left;
|
| - border :1px solid #444444;
|
| - padding:10px;
|
| - margin: 10px;
|
| - background:#3B3B3B;
|
| - }
|
| - img { display: none; }
|
| - </style>
|
| - </head>
|
| - <body onload="processor.doLoad()">
|
| - <div>
|
| - This is a port of Paul Rouget's <a href="http://blog.mozbox.org/post/2009/02/25/video-canvas%3A-special-effects">Canvas+Video green screen demo</a>, plus a texture lookup from the Firefox logo based on the values of the green and red color channels.
|
| - </div>
|
| - <div>
|
| - <video id="video" controls="true">
|
| - <source src="http://www.mozbox.org/pub/green/video.ogv"></source>
|
| - <source src="http://cs.helsinki.fi/u/ilmarihe/c3d/demos/video.mp4"></source>
|
| - </video>
|
| - <canvas id="c1" width="320" height="192"></canvas>
|
| - </div>
|
| - <div>
|
| - <canvas id="c2" width="640" height="384"></canvas>
|
| - </div>
|
| - <img id="i" src="http://www.mozbox.org/pub/green/foo.png">
|
| - </body>
|
| -</html>
|
|
|