The playbackRate property allows us to change the speed or rate at which a piece of web audio or video is playing. This article discusses how to build a buffer/seek bar using TimeRanges, and other features of the media API. Sometimes it's useful to know how much or has downloaded or is playable without delay - a good example of this is the buffered progress bar of an audio or video player.

Media buffering, seeking, and time ranges This article provides a basic guide to creating an HTML5 audio player that works cross browser, with all the associated attributes, properties and events explained, and a quick guide to custom controls created using the Media API. With the cross-browser video player put in place in the previous article, this article now looks at providing some basic, responsive styling for the player. Internet Archive - Free transcoding and storageĪ guide to creating a basic cross browser video player using the element.Vid.ly - Video player,transcoding and delivery.Libav - Comprehensive command line encoder.FFmpeg2 - Comprehensive command line encoder.Firefogg - Video and Audio encoding for Firefox.Handbrake - Open Source Video Transcoder.Miro - Free, open-source music and video player.Audacity - Free Audio Editor and Recorder.

Your files may have been encoded incorrectly - try encoding using one of the following tools, which are proven to be pretty reliable: The media server is not delivering the correct mime types with the fileĪlthough this is usually supported, you may need to add the following to your media server's. If these work but the files you are supplying don't, there are two possible issues: 1. Consider using a different format or using a fallback. If these don't play then the browser you are testing doesn't support the given format.

Video Ogg ( type='video/ogg'): ( play the OGG video live.).

Video WebM ( type='video/webm'): ( play the WebM video live.).

Video MP4 ( type='video/mp4'): ( play the MP4 video live.).

Audio Ogg ( type='audio/ogg'): ( play the OGG audio live.).

Audio MP4 ( type='audio/mp4'): ( play the MP4 audio live.).

Audio MP3 ( type='audio/mpeg'): ( play the MP3 audio live.).

Use the following verified sources within your audio and video elements to check support.

Download html5 video from firefox