miniDV Camcorder (Firewire) to M1 Sonoma help! Can't find device

I purchased a Macbook Pro M1 Max for my dad so we can connect his MiniDV camera to the Mac and transfer/import footage using iMovie for editing. However, the camera is not showing up in the list of devices in iMovie after trying a several times. Here is the setup:

• Canon Vixia HV40 miniDV camcorder
• M1 Max 16" Macbook Pro (2021)
• Sonoma version 14.1.2 w/ latest iMovie
• Camera is connected to the Mac with 3 cables: FireWire 400 to Firewire 800 -> Apple Thunderbolt to Firewire adapter -> Thunderbolt 2 to Thunderbolt 3
• I tried a few different variations, but the camcorder is in "playback/vcr" mode (not record) and I hit 'Play'. I went to 'Import' in iMovie, but did not see any Camera device except for the built-in mac camera.
• When going to System Report -> Hardware -> Firewire, there is nothing listed.
• I think I heard a Mac 'ding' sound whenever I plugged in and removed the camera

Any help would be appreciated, as we purchased this mac specifically for this purpose after reading that folks had success. Thank you