By Silvia Pfeiffer
Beginning HTML5 Media, moment Edition is a finished creation to HTML5 video and audio. The HTML5 video typical allows browsers to aid audio and video parts natively. This makes it really easy for net builders to submit audio and video, integrating either in the common presentation of web content. for instance, media parts should be styled utilizing CSS (style sheets), considered on a cellular machine, and manipulated in a Canvas or an audio filter out graph. The e-book bargains strategies for offering accessibility to media components, allowing constant dealing with of different representations of media assets. The replace comprises all the adjustments and revisions because the first HTML5 draft.
What youll learn
- How to create cross-browser markup in HTML to incorporate audio and video into your net pages
- How to interchange the default controls of net browsers together with your personal or "skin" your media player
- How to combine media components with different HTML5 constructs comparable to CSS, Canvas, or net employee Threads
- How to make audio and video accessible
- How to take advantage of media fragment URIs to handle definite temporal subparts or tracks of a media resource
- How to paintings with the internet Audio API
Who this publication is for
This publication is should you are knowledgeable in authoring and publishing websites, yet have by no means applied audio and video. it's going to additionally aid these educated within the use of Adobe Flash, Microsoft Silverlight, or QuickTime to appreciate what's taking place in HTML5 media and the way to exploit the recent media parts.
Table of Contents
1. Encoding Media
2. utilizing and Manipulating Media Elements
4. Accessibility and Internationalization of HTML5 Media
5. Manipulating Media through Canvas
6. Manipulating Audio in the course of the WebAudio API
Read Online or Download Beginning HTML5 Media: Make the most of the new video and audio standards for the Web PDF
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Extra info for Beginning HTML5 Media: Make the most of the new video and audio standards for the Web
38 Chapter 2 ■ Using and Manipulating HTML5 Video and Audio Elements @loop To make the audio automatically restart after finishing playback, you use the @loop attribute shown in Listing 2-17. Listing 2-17. ogg" autoplay loop> The @loop attribute, in conjunction with the @autoplay attribute, provides a means to set continuously playing “background” music or sound on your web page. This is not recommended; it is just mentioned here for completeness. If you accidentally or deliberately create several such elements, they will all play at the same time and over the top of each other, but not synchronously.
We want to replicate this for video but cannot use CSS to put the video in the background. Thus, we have to render a gradient
This means that Safari uses a width of 200 px; the others all use a width of 300 px. The height ranges from 25 px (Safari, Opera) to 28 px (Firefox) to 30 px (Google Chrome) to 52 px (IE). Figure 2-8. The audio controls for a number of browsers In Chapter 3 we show how you can run your own controls and thus make them consistent across browsers. 39 Chapter 2 ■ Using and Manipulating HTML5 Video and Audio Elements @preload The @preload attribute for