Videos formats

Formats

Old formats

• FLV : flash
• MOV

The ideal order OGV + MP4 + WEBm Open formats suitable for HTML5 videos tags

• MP4 : MPEG 4
  Compatibility : IE9+ and all except Opera
  http://caniuse.com/#feat=mpeg4

• OGV : Ogg is a free, open container format maintained by the Xiph.Org Foundation. Compatibility : Only firefox, Chrome and Opera
  http://caniuse.com/#feat=ogv

• WebM : WebM is an open, royalty-free, media file format designed for the web. Compatibility : Only firefox, Chrome, Opera and Android
  http://caniuse.com/#search=webm

What format to choose for HTML5 video
In April 2013, the compatibility was

• Chrome read all
• Firefox && Opera read all but mp4
• Safari read only mp4
• IE9+ read all but OGV

http://blog.teamtreehouse.com/getting-started-with-html5-video

If you want to ensure that your users will be able to play your videos you are best to use both the WebM and MP4 formats. You will learn how to specify multiple file formats later in this post.

Compression codecs

• h.264
• MPEG4

Resolution

• 1280 x 720 : 1.77... which is 16/9

Bit rate (Taux d'échantillonnage)

Converter software

Online

• http://video.online-convert.com

Desktop

• Firefogg which is a firefox plugin
  http://firefogg.org/ Convert from any format to OGV and WebM

• Adobe media encoder Convert to MP4 & FLV