Improving video rotation performance on the Pi using VPU vector instructions

2 points by dividuum 4 months ago | 1 comment
  • dividuum 4 months ago
    Rotating videos using DRM/KMS on the Pi3 isn't trivial. I had to revert to using the VideoCore co-processor and its massive 64x64 register to improve performance to level comparable with the older firmware implementation. This blog post describe why that's necessary and how it works.
    • 4 months ago