Finally!... got it working with the audio correctly synced. Took this 3D video of over 1 GB and compressed it down to 62MB. Compressing accurately is hard man... but I think this turned out pretty good all things considered.

https://file.nostrmedia.com/p/d49a9023a21dba1b3c8306ca369bf3243d8b44b8f0b6d1196607f7b0990fa8df/863aa60cd2f8327aa523099315ded6db1c43bc148075810d3d7053c5cf1d0719.mp4