By Silvia Pfeiffer
Plugins will quickly be something of the prior. The Definitive consultant to HTML5 Video is the 1st authoritative ebook on HTML5 video, the hot net general that permits browsers to help audio and video parts natively. This makes it really easy for internet builders to submit audio and video, integrating either in the normal presentation of websites. for instance, media components may be styled utilizing CSS (style sheets), built-in into SVG (scalable vector graphics), and manipulated in a Canvas. The booklet bargains thoughts for supplying accessibility to media components, allowing constant dealing with of different representations of media assets.
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Approximately This Book
Demystify the quandaries of internet improvement utilizing Play Framework
try and debug your apps by utilizing Play's inbuilt trying out framework
grasp the center beneficial properties of Scala via a finished insurance of code and examples for various scenarios
Who This publication Is For
This ebook is meant for these builders who're prepared to grasp the interior workings of Play Framework to successfully construct and installation web-related apps.
What you'll Learn
customise your framework to deal with the categorical necessities of an program
enhance responsive, trustworthy, and hugely scalable purposes utilizing Play Framework
construct and customise Play Framework plugins that may be utilized in a number of Play functions
get yourself up to speed with third-party APIs to prevent rewriting current code
achieve an perception into a number of the elements of trying out and debugging in Play to effectively try out your apps
Get to grasp all in regards to the techniques of WebSockets and Actors to strategy messages in line with events
Play Framework is an open resource internet program framework that's written in Java and Scala. It follows the Model-View-Controller architectural development and allows the consumer to hire Scala for software improvement, whereas holding key homes and contours of Play Framework intact.
Starting off through development a uncomplicated software with minimum beneficial properties, you get an in depth perception into dealing with facts transactions and designing types in Play. subsequent, you enterprise into the suggestions of Actors and WebSockets, the method of manipulating facts streams, and trying out and debugging an program in Play. ultimately, you achieve an perception into extending the framework via writing customized modules or plugins in Play. every one bankruptcy has a troubleshooting part that is helping you out via discussing the factors of, and strategies to, a few generally confronted concerns.
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Extra resources for The Definitive Guide to HTML5 Video
Opera has a bug introduced through use of the @poster attribute in that the percentage-scaled video refuses to display at all (the dimensions of the invisible video are 253px by 548px). However, the explicitly scaled video appears normally. Obviously, providing explicit @width and @height in pixels is a means to overcome the Opera poster bug. So, what happens when you provide @width and @height attribute values that do not match the aspect ratio of the video resource? Listing 2–10 has an example.
The @controls attribute is a boolean attribute. If specified without @autoplay, the controls are displayed either always (as in Safari and Chrome), or when you mouse over and out of the video (as in Firefox), or only when you mouse over the video (as in Opera and IE). Listing 2–11 has an example use of @controls with an Ogg video. Figure 2–9 shows what the example looks like in the browsers with a video width of 300px. Listing 2–11. info CHAPTER 2 ■ AUDIO AND VIDEO ELEMENTS Figure 2–9. A
It has binaries for all major platforms. Even if you have an exotic platform, you pretty likely can make it work by compiling from source code. Alternative open-source encoding software with a GUI include Handbrake 10 and VLC11. We will not look at these encoding tools, but focus on FFmpeg instead. Should you use one of those GUI tools, it is still instructive to read about the profiles and presettings that FFmpeg uses for a better understanding of encoding options. Let’s assume you have a video file as a result of extracting video from a digital video camera.
The Definitive Guide to HTML5 Video by Silvia Pfeiffer