Category Archives: x264

Chrome and Theora/H.264

Posted on 2009/06/16 Tue by rob

There’s been a lot of noise recently about Google Chrome shipping with H.264 decoder support. They’re actually using FFmpeg for this and a few other things. <disclaimer>These comments on my blog do not necessarily represent the views of all FFmpeg … Continue reading →

Posted in development, ffmpeg, multimedia, opinions, video, x264 | Leave a comment

bit rate, file size, quality misunderstandings

Posted on 2009/05/01 Fri by rob

It seems quite a few people have been confusing how bit rate, file size and quality are inter-related. A number of people have been using the -sameq option from the ffmpeg CLI and expecting it to output a file of … Continue reading →

Posted in ffmpeg, multimedia, video, x264 | 3 Comments

Updated the FFmpeg x264 encoding guide

Posted on 2009/04/07 Tue by rob

After receiving some criticism of my FFmpeg x264 encoding guide a day or two ago, I decided to make the guide a bit more detailed so that readers could better understand how to construct the necessary command lines to best … Continue reading →

Posted in ffmpeg, multimedia, x264 | Leave a comment

changes to x264 and ffpresets

Posted on 2008/10/06 Mon by rob

Jason Garrett-Glaser has recently committed changes to the way some options are specified to x264 regarding subme, bime and brdo. To quote the commit message:
Rework subme system, add RD refinement in B-frames
The new system is as follows: subme6 is RD … Continue reading →

Posted in ffmpeg, multimedia, x264 | 2 Comments

FFmpeg libx264 presets

Posted on 2008/09/17 Wed by rob

UPDATE: Please use the preset files from the 0.5 FFmpeg release or from a current subversion checkout of the FFmpeg development code. These preset files in this post are deprecated! As always, see the FFmpeg x264 encoding guide for up-to-date … Continue reading →

Posted in ffmpeg, multimedia, personal, website, x264 | 5 Comments