Video codec – compression/decompression program that transforms streams of data into video files that can be played back objective is to maintain high quality video while reducing file size VideoCodec File Formats theoraogg ◦ open source, www.xiph.org ◦ ogg is the container format ◦ theora the the name of the codec algorithm ◦ popular for gaming mp4 (h.264) ◦ Developed by Motion Picture Expert Group (www.mpeg.com) ◦ patented and proprietary ◦ used by YouTube webm ◦ project of www.webmproject.org ◦ Supported by Mozilla, Opera, Adobe, Google ◦ high quality, royalty-free, open video format ◦ compressed with VP8 coding ◦ Google acquired rights to VP8 ◦ VP8 used with WebM container Video Formats and Browser Support
Check out
https://www.w3schools.com/html/tryit.asp?filename=tryhtml5_video_autoplay Browser Support for Audio and Video Formats
Encoding Your Video File
Converter programs (some examples) ◦ Miro Video Converter www.mirovideoconverter.com desktop application converts to theora ogg, mp4, webm runs on Windows and Mac ◦ Media Converter www.mediaconverter.org online application converts to mp4, Flash flv and theora ogg ◦ Handbrake http://handbrake.fr open source converts to mp4 and theora ogg runs on Windows, Mac and Linux The Challenge of Video