my-guix/record/record

#!/bin/sh

# dependencies= pulseaudio, ffmpeg
# Credits to: (https://github.com/whoisYoges/record-with-ffmpeg/blob/master/README.md)
# I make some updates here just for my use...
# FPS="23" for better quality and resolution to 1920x1080
# for check your device list use this commnad:
# pactl list sources
# and change the values on the audio configuration; that's all!
########################
### Variables Starts ###
########################

videodir="$HOME/Videos/ffmpeg/"
audiodir="$HOME/Audio/ffmpeg/"
recordingresolution="1920x1080"
outputresolution="1920x1080"
fps="23"
crf="18"

monitoraudioinput="alsa_output.pci-0000_0b_00.6.analog-stereo.monitor"
microphoneaudioinput="nui_mic_denoised_out.monitor"
monitoraudiochannel="2"
microphoneaudiochannel="2"
monitoraudiofrequency="48000"
microphoneaudiofrequency="48000"
outputaudiofrequency="48000"

######################
### Variables Ends ###
######################

########################
### Functions Starts ###
########################

checkVideoDir(){
if [ ! -d "$videodir" ]; then
    mkdir -p "$videodir"
fi
}

checkAudioDir(){
if [ ! -d "$audiodir" ]; then
    mkdir -p "$audiodir"
fi
}

internalAudioOnly(){
	ffmpeg \
		-f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
		-acodec libmp3lame -ar "$outputaudiofrequency" -q:a 1 \
        "$(date +ffmpeg-"%Y-%m-%d-%I-%M-%S-%p").wav"
}

microphoneOnly(){
    ffmpeg \
		-f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
		-acodec libmp3lame -ar "$outputaudiofrequency" -q:a 1 \
        "$(date +ffmpeg-"%Y-%m-%d-%I-%M-%S-%p").wav"
}

internalAudioAndMicrophone(){
    ffmpeg \
        -f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
		-f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
		-filter_complex amix=inputs=2 \
		-acodec libmp3lame -ar "$outputaudiofrequency" -q:a 1 \
        "$(date +ffmpeg-"%Y-%m-%d-%I-%M-%S-%p").wav"
}

videoWithoutAudio(){
    ffmpeg \
		-f x11grab -r "$fps" -s "$recordingresolution" -i :0.0+0,0 \
		-vcodec libx264 -preset veryfast -crf "$crf" \
		-pix_fmt yuv420p \
        -s "$outputresolution" "$(date +ffmpeg-"%Y-%m-%d-%I-%M-%S-%p").mkv"
}

videoWithInternalAudio(){
    ffmpeg \
        -f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
		-f x11grab -r "$fps" -s "$recordingresolution" -i :0.0+0,0 \
		-vcodec libx264 -preset veryfast -crf "$crf" \
		-acodec libmp3lame -ar "$outputaudiofrequency" -q:a 1 \
		-pix_fmt yuv420p \
        -s "$outputresolution" "$(date +ffmpeg-"%Y-%m-%d-%I-%M-%S-%p").mkv"
}

videoWithMicrophone(){
    ffmpeg \
		-f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
		-f x11grab -r "$fps" -s "$recordingresolution" -i :0.0+0,0 \
		-vcodec libx264 -preset veryfast -crf "$crf" \
		-acodec libmp3lame -ar "$outputaudiofrequency" -q:a 1 \
		-pix_fmt yuv420p \
        -s "$outputresolution" "$(date +ffmpeg-"%Y-%m-%d-%I-%M-%S-%p").mkv"
}

videoWithMicrophoneAndInternalAudio(){
    ffmpeg \
        -f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
        -f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
		-filter_complex amix=inputs=2 \
		-f x11grab -r "$fps" -s "$recordingresolution" -i :0.0+0,0 \
		-vcodec libx264 -preset veryfast -crf "$crf" \
		-acodec libmp3lame -ar "$outputaudiofrequency" -q:a 1 \
		-pix_fmt yuv420p \
        -s "$outputresolution" "$(date +ffmpeg-"%Y-%m-%d-%I-%M-%S-%p").mkv"
}

######################
### Functions Ends ###
######################

###################
### Main Starts ###
###################
PS3="Choose your recording option [1-8]: "
options=("InternalAudioOnly" "MicrophoneOnly" "InternalAudioAndMic" "VideoWithoutAudio" "VideoWithInternalAudio" "VideoWithMic" "VideoWithBothMicAndInternalAudio" "Quit")

select one in "${options[@]}"; do
    case $one in
        InternalAudioOnly)
            checkAudioDir
            cd "$audiodir"
            internalAudioOnly
        ;;
        MicrophoneOnly)
            checkAudioDir
            cd "$audiodir"
            microphoneOnly
        ;;
        InternalAudioAndMic)
            checkAudioDir
            cd "$audiodir"
            internalAudioAndMicrophone
        ;;
        VideoWithoutAudio)
            checkVideoDir
            cd "$videodir"
            videoWithoutAudio
        ;;
        VideoWithInternalAudio)
            checkVideoDir
            cd "$videodir"
            videoWithInternalAudio
        ;;
        VideoWithMic)
            checkVideoDir
            cd "$videodir"
            videoWithMicrophone
        ;;
        VideoWithBothMicAndInternalAudio)
            checkVideoDir
            cd "$videodir"
            videoWithMicrophoneAndInternalAudio
        ;;
        Quit)
            printf "Exitting...."
            exit 0
        ;;
        *)
            printf "Invalid Choice."
        ;;
    esac
done

#################
### Main Ends ###
#################