The rate after the pre-pass is the rate the frames are read at whenever the
input is slower than the analysis; the mean processing_time_s of the frames
(one thread) and their mean spot count say what the analysis itself costs.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UqXYdJKPUFLoeAchjzv3x4