Rekordbox master bpm sync to VLC video frame-rate

Intended to work in conjunction with RekordBoxSongExporter

This script attempts to sync the playback rate and frame-rate of a video playing in VLC to the master_bpm in Rekordbox.

Check out BPM to FPS calculator for a more detailed explanation of the math used.

Functions

• This script monitors a folder for file updates created by the exporter
• On file update, extracts the metadata out of the GDI text template
• Interfaces with VLC http control interface to query for current status, playback rate, and video codec frame-rate
• Computes a value for a framerate that would be a better fit into the current bpm
• If new rate is significantly different, updates the rate in VLC
• Logs to ./logs, saves last 3 sessions
• Runs 2 threads, file monitor and vlc interface, as daemons
• End execution with SIGTERM (cntl+C) and similar

Configuration

Configure the following variables

• WATCH_FOLDER Path to the folder to monitor set in the Exporter default: "./gdi_files"
• VLC_HOST http interface to VLC, needs to be turned on in Preferances default: "http://localhost:8080"
• VLC_PASSWORD set in VLC > Preferences > All > Interface > Main interfaces > Lua > Password
• TEMPLATE_MAP key value pairs with filename as key and the template as value, set in Exporter. The default includes all the variables current version of Exporter can grab