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Using the camera with HTML5
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| <!DOCTYPE html> | |
| <html lang="en" dir="ltr" xmlns:fb="http://ogp.me/ns/fb#"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>Camera and Video Control with HTML5 Example</title> | |
| <style> | |
| video { border: 1px solid #ccc; display: block; margin: 0 0 20px 0; } | |
| #canvas { margin-top: 20px; border: 1px solid #ccc; display: block; } | |
| </style> | |
| </head> | |
| <body> | |
| <video id="video" width="640" height="480" autoplay></video> | |
| <button id="snap" class="sexyButton">Snap Photo</button> | |
| <canvas id="canvas" width="640" height="480"></canvas> | |
| <script> | |
| // Put event listeners into place | |
| window.addEventListener("DOMContentLoaded", function() { | |
| // Grab elements, create settings, etc. | |
| var canvas = document.getElementById('canvas'); | |
| var context = canvas.getContext('2d'); | |
| var video = document.getElementById('video'); | |
| var mediaConfig = { video: true }; | |
| var errBack = function(e) { | |
| console.log('An error has occurred!', e) | |
| }; | |
| // Put video listeners into place | |
| if(navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { | |
| navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) { | |
| video.src = window.URL.createObjectURL(stream); | |
| video.play(); | |
| }); | |
| } | |
| /* Legacy code below! */ | |
| else if(navigator.getUserMedia) { // Standard | |
| navigator.getUserMedia(mediaConfig, function(stream) { | |
| video.src = stream; | |
| video.play(); | |
| }, errBack); | |
| } else if(navigator.webkitGetUserMedia) { // WebKit-prefixed | |
| navigator.webkitGetUserMedia(mediaConfig, function(stream){ | |
| video.src = window.webkitURL.createObjectURL(stream); | |
| video.play(); | |
| }, errBack); | |
| } else if(navigator.mozGetUserMedia) { // Mozilla-prefixed | |
| navigator.mozGetUserMedia(mediaConfig, function(stream){ | |
| video.src = window.URL.createObjectURL(stream); | |
| video.play(); | |
| }, errBack); | |
| } | |
| // Trigger photo take | |
| document.getElementById('snap').addEventListener('click', function() { | |
| context.drawImage(video, 0, 0, 640, 480); | |
| }); | |
| }, false); | |
| </script> | |
| </div> | |
| </body> | |
| </html> |
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