nixos-config/nixos/modules/programs/video.nix
2022-05-25 18:32:53 +02:00

82 lines
1.9 KiB
Nix

{ config, pkgs, lib, ... }:
with lib;
let
# Lassulus streaming setup
# -------------------------
# ffmpeg \
# -f pulse \
# -i default \
# -vaapi_device /dev/dri/renderD128 \
# -f x11grab \
# -video_size 1366x768 \
# -i :0 \
# -vf 'hwupload,scale_vaapi=format=nv12' \
# -c:v h264_vaapi \
# -c:a aac \
# -b:a 96k \
# -af "highpass=f=200, lowpass=f=3000" \
# -qp 30 \
# -f flv \
# rtmp://lassul.us:1935/stream/nixos \
# ./rc3-output-$(date +%d%H%M%S).mp4
#
# Dann abspielen mit :
# mpv rtmp://lassul.us:1935/stream/nixos
cfg = config.programs.custom.video;
# show keyboard input on desktop for screencasts
screenKey = pkgs.symlinkJoin {
name = "screen-keys";
paths =
let
screenKeyScript = { position ? "bottom", size ? "small", ... }:
pkgs.writeShellScriptBin "screenkeys-${position}-${size}" # sh
''
${pkgs.screenkey}/bin/screenkey \
--no-detach \
--bg-color '#fdf6e3' \
--font-color '#073642' \
-p ${position} \
-s ${size} \
"$@"
'';
in
lib.flatten (lib.flip map [ "large" "small" "medium" ] (size:
lib.flip map [ "top" "center" "bottom" ]
(position: screenKeyScript { inherit size position; })));
};
in
{
options.programs.custom.video.enable = mkEnableOption "enable video tools";
config = mkIf cfg.enable {
environment.systemPackages = with pkgs; [
unstable.youtube-dl
mplayer
mpv
# to record your screen
# ---------------------
simplescreenrecorder
screenKey
# to transcode video material
# ---------------------------
handbrake
ffmpeg-full
# video editing
# -------------
openshot-qt
];
};
}