96 lines
2.3 KiB
HTML
96 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<title>Dizzy</title>
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<style>
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* { margin: 0;}
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body { font-family: helvetica; padding: 10px; }
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input { width: 50px; }
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/*video, canvas { display: block; }*/
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p { margin-top: 20px;}
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</style>
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</head>
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<body>
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<video height="360" width="480">
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<source src="assets/dizzy.mp4" />
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<source src="assets/dizzy.ogv" />
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</video><canvas></canvas>
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<p>
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<input type="button" id="play" value="play">
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<span id="position">00:00</span> / <span id="duration"></span>
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</p>
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<script src="/js/h5utils.js"></script>
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<script>
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var video = document.querySelector('video');
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var togglePlay = document.querySelector('#play');
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var position = document.querySelector('#position');
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var canvas = document.querySelector('canvas');
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var ctx = canvas.getContext('2d');
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addEvent(togglePlay, 'click', function () {
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video.playbackRate = 0.5;
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if (video.paused) {
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if (video.ended) video.currentTime = 0;
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video.play();
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this.value = "pause";
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} else {
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video.pause();
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this.value = "play";
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}
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});
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setInterval(function () {
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position.innerHTML = asTime(video.currentTime);
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// ctx.restore();
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ctx.drawImage(video, 0, 0, video.width, video.height, 0, 0, canvas.width, canvas.height);
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}, 1000 / 15);
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addEvent(video, 'ended', function () {
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togglePlay.value = "play";
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});
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addEvent(video, 'canplay', function () {
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video.muted = true;
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document.querySelector('#duration').innerHTML = asTime(this.duration);
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startCanvas();
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});
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function startCanvas() {
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canvas.setAttribute('height', Math.floor(video.height));
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canvas.setAttribute('width', Math.floor(video.width));
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ctx.translate(canvas.width/2, canvas.height/2);
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ctx.scale(-1, 1);
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ctx.translate(-canvas.width/2, -canvas.height/2);
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ctx.drawImage(video, 0, 0, video.width, video.height, 0, 0, canvas.width, canvas.height);
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// var mirror = canvas.height * 0.6;
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// var grad = ctx.createLinearGradient(0, 0, 0, mirror);
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// grad.addColorStop(0, 'rgba(0, 0, 0, 0.5)');
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// grad.addColorStop(1, 'rgba(0, 0, 0, 1)');
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// ctx.fillStyle = grad;
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// ctx.rect(0, 0, canvas.width, mirror);
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// ctx.fill();
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// ctx.save();
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}
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function asTime(t) {
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t = Math.round(t);
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var s = t % 60;
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var m = Math.round(t / 60);
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return two(m) + ':' + two(s);
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}
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function two(s) {
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s += "";
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if (s.length < 2) s = "0" + s;
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return s;
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}
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</script>
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</body>
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</html>
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