There is no set limit to how many elements you can include, and future video formats can easily be added to the list.
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Web browsers will play the first video format it comes to which it supports, so for example, Internet Explorer will play the MP4 video, while Firefox will play the WebM video.
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Please download and watch our promotional video clip Luckily, the element allows for multiple source videos to be referenced using the element inside a element, so if you choose to have an MP4 and WebM (and maybe even a Theora) version of your video to allow for a greater audience, you can remove the single src attribute from the element and instead create a separate element for each video: However, for this article, and most cases, the attribute name is all that will be required to apply the desired setting to your video.Īs mentioned above, there are currently two video formats that are mainly being used alongside the element. Technically because the attribute is a true / false setting (in that if it’s there it’s true, if it’s not it’s false), then you could write whatever value you liked. Most examples you’ll find on the web would be written like this:
In xHTML, you would write the attribute slightly differently, as xHTML requires all attributes to include a value. The automatic inclusion of video controls might seem obvious, but being able to remove the browser controls enables web developers to create their own, customized video players via CSS and JavaScript, which a lot like to do, but won’t be covered in this little introduction to the element.Īttributes such as " controls" is a true / false attribute, meaning its presence alone is enough to trigger the setting. The use of the element has been relatively low since its introduction, mostly because the use of Flash video was so widespread, but ever since Apple chose not to include the use of Flash in their mobile products, the element has been used more and more in web sites. Whichever video format is used, the browser will include all the standard video controls, such as play, pause, volume control and seeking, you don’t need to do anything other than include the reference to your video. You may also be surprised to learn than Internet Explorer does not support the use of Microsoft's own " wmv" video files via the element. WebM isn’t selected by Apple, Microsoft and others because it is perceived to be of lesser quality than H264 and has significantly less hardware support, while also not being considered safe from possible patent infringement – although, native WebM playback is possible for Internet Explorer via the WebM media framework.Ī third video format, Theora, is also usable in most browsers that support WebM, but its use is expected to shrink with the uptake of WebM. WebM (VP8, VP9), on the other hand, is a royalty-free open codec released by Google after it purchased the company that developed it (On2), and is used by Google Chrome *, Firefox, Opera and Android. Internet Explorer 9 and 10, Safari, Google Chrome *, Android, and the iRange from Apple all support the inclusion of an MP4 (H.264) video directly in the web page using the element, but because it requires a fee based licence for a lot of its use, wasn’t the preferred choice by some other developers. The H.264 codec was chosen by Apple and Microsoft because it is widely used, it can produce high-quality video very efficiently, and has a lot of hardware-based support on computers and mobiles.
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Web browser developers are free to choose which formats to natively support, and currently the two most widely used video formats that are used with the element are the well-known MP4 (H.264 codec) format and the perhaps lesser-known WebM (VP8 & VP9 codec) format.
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