Bash script to record my second monitor with sound output mixed with USB microphone input. Can be used to record Zoom, Google Meet, or other calls with full audio even if you don't have the record permission.

record_with_audio.sh

#!/bin/bash

# Records only speaker output
#/usr/bin/ffmpeg -f x11grab -y -r 15 -s 1920x1080 -i :1.0+1920,0 -f pulse -i default -vcodec mpeg4 -qscale 0 ~/video.mp4

# Records speaker output and webcam microphone input together (Pulse audio)
# Find microphone: pacmd list-sources
# Test recording: ffmpeg -f pulse -ac 2 -i alsa_input.usb-046d_0821_AE9295A0-00.analog-stereo test.mp4
/usr/bin/ffmpeg -f x11grab -y -r 15 -s 1920x1080 -i :1.0+1920,0 -f pulse -i alsa_output.usb-DisplayLink_Plugable_UD-ULTCDL_10027015-02.analog-stereo.monitor -f pulse -ac 2 -i alsa_input.usb-046d_0821_AE9295A0-00.analog-stereo -filter_complex "[1:0][2:0]amix=inputs=2:duration=shortest" -vcodec mpeg4 -qscale 0 ~/video.mp4