Uncaught TypeError: Cannot read properties of undefined (reading 'pause')

[xusiai]

Describe the bug

When attempting to send a video to mpv in Brave the extension fails to do so.

Reproduction steps

Attempt to open any supported video

Expected behavior

Video link is sent to MPV.

Platform information

• OS information: NixOS 24.05
• Brave version: 1.62.162
• MPV version: 0.37
• youtube-dl version: 2023.12.30

Additional context (optional)

• ff2mpv.json exists in $HOME/.config/BraveSoftware/Brave-Browser/NativeMessagingHosts/ and ff2mpv + mpv are accessible in $PATH.
• First time attempting to set it up in Brave so I have never had it work there before. Works in Firefox.
• Console shows:

VM496:1 Uncaught TypeError: Cannot read properties of undefined (reading 'pause')
    at <anonymous>:1:57