Silvia Pfeiffer
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<audio controls>
<source src="revolve.mp3" type="audio/mp4">
<source src="revolve.ogg" type="audio/ogg">
</audio>
<video controls poster="HelloWorld.png" width="500">
<source src="HelloWorld.mp4" type="video/mp4">
<source src="HelloWorld.webm" type="video/webm">
<source src="HelloWorld.ogv" type="video/ogg">
</video>
video {
border-radius: 12px;
border: 1px solid rgba(0, 0, 0, 0.2);
}
video { video, video:hover {
height: 200px; position: relative;
padding: 10px; border: 5px solid black;
left: 50px; transition-property: all;
top: 50px; transition-duration: 0.5s;
background-color: white; transition-timing-function: linear;
} }
video:hover {
height: 250px;
padding: 15px;
left: 25px;
top: 25px;
background-color: black;
}
Let's put some video online
<video controls poster="HelloWorld.png" width="500">
<source src="HelloWorld.mp4" type="video/mp4">
<source src="HelloWorld.webm" type="video/webm">
<source src="HelloWorld.ogv" type="video/ogg">
Your browser does not support the <code>video</code> element.
<a href="HelloWorld.webm">Download it</a> instead.
</video>
video = document.getElementsByTagName("video")[0];
stop = document.getElementById("stop");
stop.addEventListener("click", restart, false);
function restart(evt) {
video.pause();
video.currentTime = 0;
}
<video controls height="270" width="480" >
<source src="HelloWorld.mp4" type="video/mp4">
<source src="HelloWorld.webm" type="video/webm">
</video>
<canvas width="400" height="300" style="border: 1px solid black;">
</canvas>
<script>
window.onload = function() {
initCanvas();
}
var context;
function initCanvas() {
video = document.getElementsByTagName("video")[0];
canvas = document.getElementsByTagName("canvas")[0];
context = canvas.getContext("2d");
video.addEventListener("timeupdate", paintFrame, false);
}
function paintFrame() {
context.drawImage(video, 0, 0, 160, 80);
}
</script>
context.drawImage(video, 0, 0, w, h);
frame = context.getImageData(0, 0, w, h);
for (var i = 0; i < frame.data.length; i += 4) {
r += frame.data[i];
g += frame.data[i + 1];
b += frame.data[i + 2];
}
ambience.style.backgroundColor = 'rgb('+r+','+g+','+b+')';
rctxt.translate(0,160);
rctxt.scale(1,-1);
gradient = rctxt.createLinearGradient(0, 105, 0, 160);
gradient.addColorStop(1, "rgba(255, 255, 255, 0.3)");
gradient.addColorStop(0, "rgba(255, 255, 255, 1.0)");
rctxt.fillStyle = gradient;
rctxt.drawImage(video, 0, 0, 320, 160);
WEBVTT FILE
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00:00:08.124 --> 00:00:10.742
Workstations and high end personal computers have been able to
2
00:00:10.742 --> 00:00:14.749
manipulate digital audio pretty easily for about fifteen years now.
3
00:00:14.749 --> 00:00:17.470
It's only been about five years that a decent workstation's been able
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00:00:17.470 --> 00:00:21.643
to handle raw video without a lot of expensive special purpose hardware.
<video src="media/sintel.ogv" poster="media/poster_sintel.png" controls width="50%">
<track kind="subtitles" src="text/vid1-en.vtt" srclang="en" label="English" default>
<track kind="subtitles" src="text/vid1-fr.vtt" srclang="fr" label="Français">
<track kind="subtitles" src="text/vid1-de.vtt" srclang="de" label="Deutsch">
<track kind="captions" src="text/vid1-cap.vtt" srclang="en" label="English">
<track kind="descriptions" src="text/vid1-desc.vtt" srclang="en" label="English">
<track kind="chapters" src="text/vid1-chap.vtt" srclang="en" label="English">
</video>
Silvia Pfeiffer
blog.gingertech.net
silviapfeiffer1@gmail.com
@silviapfeiffer
Thanks go to the Blender organisation and to Creative Commons for their videos.