void thecatvoid

Recipes

kmsgrab capture with ffmpeg

sudo LIBVA_DRIVER_NAME=iHD ffmpeg -crtc_id 69  -framerate 60 -f kmsgrab -i - -vaapi_device /dev/dri/renderD128 -filter:v hwmap,scale_vaapi=w=1920:h=1200:format=nv12 -c:v h264_vaapi -profile:v constrained_baseline -level:v 3.1 -b:v 20000k test.mp4

LIBVA_DRIVER_NAME=iHD ffmpeg -device /dev/dri/card0 -f kmsgrab -i - -vf 'hwmap=derive_device=vaapi,scale_vaapi=w=1920:h=1080:format=nv12' -c:v h264_vaapi -vstats output.mp4

GIT Commands and Actions

Create Repo


New Local Repo	`git init [project-name]`
Copy Remote Repo	`git clone [url] [?name]`

Making Changes

What's Cool

Encrypted root partition
- AES-256 bit cipher
- Argon2id variant for PBKDF
- Sha3-512 bit hash
rEFInd bootloader
- With dreary theme
- Optimal Settings (optimized for aesthetics, and boot time)
Boot into backups thanks to refind-btrfs

	#rec
	ffmpeg -f alsa -ac 2 -i pulse -f x11grab -r 30 -s 1600x900 -i :0.0 -acodec pcm_s16le -vcodec libx264 -vpre lossless_ultrafast -threads 0 output.mkv

	###convert
	mencoder -oac mp3lame -lameopts cbr=128 -ovc xvid -xvidencopts bitrate=1200 aula3.mkv -o aula3_mencoder.avi

	#MERGE
	mkvmerge -o complete.mkv part1.mkv +part2.mkv +part3.mkv +part4.mkv

	#conv ffmpeg

	{ config, pkgs, ... }:

	{
	require = [
	<nixos/modules/programs/virtualbox.nix>
	./hardware.nix
	./monitors.nix
	# ./mailpile.nix
	];