Matte Assist Ml Render Failure Mocha Pro Verified

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3.1 Quick Checks

• ✅ Restart the host application and Mocha Pro.
• ✅ Reboot the workstation.
• ✅ Test on a new, short clip (e.g., 5 seconds, 1920×1080, progressive).

For Windows Users (NVIDIA/AMD)

• NVIDIA: Do NOT use Game Ready drivers. Install NVIDIA Studio Drivers (version 535 or newer). Game Ready drivers optimize for frame rate, not ML computation stability.
• AMD: Disable "Radeon Anti-Lag" and "Enhanced Sync" globally for the host application. These interrupt compute queues.

3.5 Check Disk & Permissions

• Temporary render folder must be writable:
  • Windows: %TEMP%\BorisFX
  • macOS: /tmp/BorisFX
• Ensure at least 20 GB free space on system drive.
• Temporarily disable real‑time antivirus (e.g., Defender, CrowdStrike) – they may block .onnx model execution.

3.4 Adjust Memory & Render Settings

• In Mocha Pro:
  • Preferences → GPU → Disable GPU for ML (fallback to CPU – slower but stable).
  • Reduce Matte Assist → Max Frame Chunk Size to 2 or 4.
• In After Effects (if host): Increase memory reserved for other apps (Edit → Preferences → Memory & Performance).

6. Licensing / Plugin Host Conflict

Some users report ML failures when Mocha Pro is run as a plugin inside After Effects 2022 or earlier, particularly with multi-frame rendering enabled. matte assist ml render failure mocha pro verified

Fix:

• Launch Mocha Pro as a standalone app (from the Start menu or Applications folder), load the same project file, and try Matte Assist there.
• In After Effects, disable Preferences → Memory & Performance → Enable Multi-Frame Rendering temporarily.

3. Step‑by‑Step Troubleshooting (for users/administrators)

Likely causes

• Insufficient or corrupted input frames — missing frames, dropped frames, or corrupted source clips break ML inference.
• Severe motion blur or low contrast — ML matte models and Mocha planar trackers both struggle when foreground/background edges lack definition.
• Incorrect timeline/format settings — mismatched frame rates, resolutions, or color profiles can cause render mismatches.
• Alpha/matte channel misconfiguration — premultiplied versus straight alpha or wrong channel routing.
• Memory/GPU resource limits — out-of-memory errors during ML inference or GPU driver/compute failures.
• Incompatible or outdated plugins — version mismatch between Matte Assist, Mocha Pro, host compositor (After Effects/Nuke), or CUDA/OpenCL drivers.
• Tracker failure (Mocha Pro verified) — planar tracking drift, incorrect layer selection, or insufficient track points causing matte misplacement.