Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.
brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-opus| mkdir emacs | |
| cd emacs | |
| git init | |
| git remote add origin https://github.com/emacs-mirror/emacs.git | |
| git fetch --depth 1 origin emacs-26 | |
| git reset --hard FETCH_HEAD | |
| sudo apt install autoconf make gcc texinfo libgtk-3-dev libxpm-dev libjpeg-dev libgif-dev libtiff5-dev libgnutls-dev libncurses5-dev | |
| ./configure | |
| make | |
| sudo make install |
| ACTIVE_ATTRIBUTES: 35721 | |
| ACTIVE_ATTRIBUTE_MAX_LENGTH: 35722 | |
| ACTIVE_TEXTURE: 34016 | |
| ACTIVE_UNIFORMS: 35718 | |
| ACTIVE_UNIFORM_MAX_LENGTH: 35719 | |
| ALIASED_LINE_WIDTH_RANGE: 33902 | |
| ALIASED_POINT_SIZE_RANGE: 33901 | |
| ALPHA: 6406 | |
| ALPHA_BITS: 3413 | |
| ALWAYS: 519 |