Build VAAPI with support for VP8/9 decode and encode hardware acceleration on a Skylake validation testbed:
Build platform: Ubuntu 16.04LTS.
First things first:
Install baseline dependencies first
sudo apt-get -y install autoconf automake build-essential libass-dev libtool pkg-config texinfo zlib1g-dev libva-dev cmake mercurial libdrm-dev libvorbis-dev libogg-dev git libx11-dev libperl-dev libpciaccess-dev libpciaccess0 xorg-dev intel-gpu-tools
Download FFmpeg https://www.ffmpeg.org/download.html FFmpeg is a command line tool, which means there is no GUI. You are going to have to input commands via the keyboard instead of clicking the mouse.
Current Limitations for WebM files on 4chan are:
Maximum file size is 4096KB.
Maximum duration is 300 seconds.
I found it while poking around the Google+ HTML. Jotting down some notes felt like a good idea, so here goes. If you know more about this API, let me know, please!
(Word of warning: I spent ~30 minutes on both my experimentation and this here write-up, so it might not be the most thought-provoking, brilliant thing you read today.)