Record a video from an android device

gistfile1.txt

video2gif() {
  ffmpeg -y -i "${1}" -vf fps=${3:-10},scale=${2:-320}:-1:flags=lanczos,palettegen "${1}.png"
  ffmpeg -i "${1}" -i "${1}.png" -filter_complex "fps=${3:-10},scale=${2:-320}:-1:flags=lanczos[x];[x][1:v]paletteuse" "${1}".gif
  rm "${1}.png"
}

record_gif() {
    if [ -z "$1" ]; then
        VIDEO_NAME=$(date +%F_%H-%M-%S)
    else
        VIDEO_NAME="$1"
    fi

    adb shell rm /sdcard/record_gif.mp4 2> /dev/null

    adb shell screenrecord /sdcard/record_gif.mp4 &
    pid=$!

    echo "Start Recording $VIDEO_NAME.mp4 process $pid"

    read -rsn1 -p "Press any key to finish the video"
    echo -e "\nStoping video recording"
    kill -2 $pid  &> /dev/null
    sleep 1

    # Change permissions if needed
    adb pull /sdcard/record_gif.mp4 > /dev/null
    cp record_gif.mp4 "$VIDEO_NAME.mp4" 

    rm -f record_gif.mp4
    adb shell rm /sdcard/record_gif.mp4

    video2gif "$VIDEO_NAME.mp4" 270 15 2> /dev/null
}