HTML and CSS Reference
In-Depth Information
Screen video capture treats your desktop as a video recording, and a microphone connected
to or built into your computer as a video-recording microphone. For example, one of the most
established screen-video-capture sot ware packages is Camtasia. It's easy to use and has
several features for zooming, panning, and generally simulating a camcorder aimed at your
screen. Figure 11-7 shows the basic controls.
Figure 11-7: Screen-video-capture software makes a live recording of your desktop.
Basically, all that Camtasia requires is for the user to select the screen and the microphone
and click the Rec button (as shown in Figure 11-7). Available for Windows 7 and Macintosh
OS X, it's a widely used sot ware package for trainers and educators who work on a project on
the screen so that viewers can follow along.
Another screen video capture application can be found as part of the Apple Quick-Time
Player. It automatically saves i les in .mov ( .mp4 ) format that are ready to be used with an
HTML5 Web site. h e recording process is extremely easy, and other than selecting the
microphone, it's a one-step start-and-stop recording operation.
Several dif erent attributes for the <video> and <source> tags are essential for successful
video deployment in HTML5. Once you've created, edited, and converted video for the Web,
the next step is to place them in the Web page. h is section covers the following video
element attributes:
width and height
h ese attributes of the <video> tag are discussed in concert with the <source> tag because
not all browsers read the same i le types, so several dif erent sources must be listed. h e
<source> tag allows the browsers to choose which video i le is compatible with their own
video display functions (as was shown at the beginning of the chapter).
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