HTML and CSS Reference
In-Depth Information
HTML5 Video Support
HTML5 specifies a new tag, <video> , that allows developers to place video directly in an
HTML page. With a few simple options, you can autoplay, loop, and add playback controls to
the embedded video.
First, let's talk about video format support, which is a very complicated issue. Some video
formats are free, and others are licensed. Some formats look better than others, some make
smaller file sizes, and some are supported in one browser while others are supported in a dif-
ferent browser. In this chapter, we will concentrate on three formats that either have broad
support now or promise to have broad support in the future: .ogg , .mp4 , and .webm .
We will discuss these video formats in terms of video codecs . Each format uses one or more
codecs to compress and decompress video. Codecs are usually the secret sauce of a video
format because compression is the key to making video that, in the wild, can convert very
large files into file sizes that can be easily transported on the Internet.
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