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# Install ARCH Linux with encrypted file-system and UEFI | |
# The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description. | |
# Download the archiso image from https://www.archlinux.org/ | |
# Copy to a usb-drive | |
dd if=archlinux.img of=/dev/sdX bs=16M && sync # on linux | |
# Boot from the usb. If the usb fails to boot, make sure that secure boot is disabled in the BIOS configuration. | |
# Set swiss-french keymap |
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One webcam: | |
ffmpeg -f alsa -ac 2 -i pulse -f v4l2 -s 1280x720 -r 10 -i /dev/video0 -vcodec libx264 -pix_fmt yuv420p101e -preset ultrafast -r 25 -g 20 -b:v 2500k -codec:a libmp3lame -ar 44100 -threads 4 -b:a 11025 -bufsize 512k -f flv rtmp://a.rtmp.youtube.com/live2/YOURSTREAMKEY | |
Two webcam overlay: | |
ffmpeg -f alsa -ac 2 -i pulse -f v4l2 -s 1280x720 -r 10 -i /dev/video1 -f v4l2 -s 320x240 -r 10 -i /dev/video0 -filter_complex "[1:v]setpts=PTS-STARTPTS[bg]; [2:v]setpts=PTS-STARTPTS[fg]; [bg][fg]overlay=shortest=1 [out]" -map "[out]" -map 0:a -vcodec libx264 -pix_fmt yuv420p -preset veryfast -r 25 -g 20 -b:v 2500k -codec:a libmp3lame -ar 44100 -threads 6 -b:a 11025 -bufsize 512k -f flv rtmp://a.rtmp.youtube.com/live2/YOURSTREAMKEY |