Mixing HTML5 Video and Canvas - HTML5 Canvas - page 318

videoDiv.appendChild(videoElement);
videoDiv.setAttribute("style", "display:none;");
var videoType = supportedVideoFormat(videoElement);
if (videoType == "") {
alert("no video support");
return;
}
videoElement.setAttribute("src", "muirbeach." + videoType);
videoElement.addEventListener("canplaythrough",videoLoaded,false);
}
function supportedVideoFormat(video) {
var returnExtension = "";
if (video.canPlayType("video/webm") =="probably" ||
video.canPlayType("video/webm") == "maybe") {
returnExtension = "webm";
} else if(video.canPlayType("video/mp4") == "probably" ||
video.canPlayType("video/mp4") == "maybe") {
returnExtension = "mp4";
} else if(video.canPlayType("video/ogg") =="probably" ||
video.canPlayType("video/ogg") == "maybe") {
returnExtension = "ogg";
}
return returnExtension;
}
function canvasSupport () {
return Modernizr.canvas;
}
function videoLoaded() {
canvasApp();
}
function canvasApp() {
if (!canvasSupport()) {
return;
}
function drawScreen () {
context.fillStyle = '#000000';
context.fillRect(0, 0, theCanvas.width, theCanvas.height);
//Box
context.strokeStyle = '#ffffff';
context.strokeRect(1, 1, theCanvas.width-2, theCanvas.height-2);
//Place videos
context.fillStyle = "#FFFF00";
var video;