v1.2.0-legacy

Changelog

• Added --version flag
• Added file exists check
• Added custom argument parsing
• Improved help text
• Improved error handling
• Improved install.sh script
• Fixed customization link in script
• Fixed h264videotoolbox and hevc_videotoolbox set as default
• Removedargparse parsing
• Other bug fixes and minor enhancements

Use install.sh below for a quick and dirty way of installing everything (Linux/macOS only)