video.md

Video

Convert a video to gif

ffmpeg -i input.mp4 output.gif

Convert a video from dark mode to light mode

Important

Tested with FFMPEG v7.1

ffmpeg -i input.mp4 -vf "negate,hue=h=180,eq=contrast=1.2:saturation=1.1" output.mp4

Add an alias to the CLI

Run the below command and then reopen terminal.

# Define text for alias
newCommand='
# Alias for converting videos from dark mode to light mode
convert-to-light-mode() {
    # Inputs
    inputFileName=$1
    outputFileName=$2
    # Append suffix if output file name not provided
    if [ -z "$outputFileName" ]; then
        fileBaseName="${inputFileName%.*}"
        suffix="-light-mode"
        fileExtension="${inputFileName##*.}"
        outputFileName="${fileBaseName}${suffix}.${fileExtension}"
    fi
    # Convert video
    ffmpeg -i "$inputFileName" -vf "negate,hue=h=180,eq=contrast=1.2:saturation=1.1" "$outputFileName"
}
'

# Add command to bash and zsh
echo $newCommand >> ~/.bashrc
echo $newCommand >> ~/.zshrc

Usage

Convert dark-mode video to light-mode.

convert-to-light-mode input.mp4 output.mp4

or without output filename

convert-to-light-mode my-video.mp4

Result: my-video-light-mode.mp4

Convert video to light-mode and export as .gif image

convert-to-light-mode input.mp4 output.gif