add comment about video stream

nixos/modules/programs/video.nix

@@ -4,6 +4,28 @@ 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