Maya.mp4 Guide

If your video won't load, it is likely a missing system-level codec rather than a Maya bug.

If you use an MP4 on an image plane, it may drastically slow down your viewport. If it does, switch the image plane's display mode to None when you aren't actively using it as a reference. codec issues - Forums, Autodesk Maya.mp4

Use a tool like FFmpeg or Shutter Encoder to export your MP4 as a series of images. If your video won't load, it is likely

Use the Maya Hardware 2.0 renderer to output a sequence of frames, then compile them into an MP4 using video editing software. Quick Tips for Maya Video Workflow If your video won't load