Ethanfel 11e2acb9e0 Fix FlashVSR frame padding to match pipeline requirements ...

The pipeline requires num_frames % 4 == 1. Our old _pad_video_5d used a
wrong formula that produced non-conforming counts (e.g. 33 input → 35
padded → pipeline rounds to 37, wasting VRAM).

New padding uses num_frames % 8 == 1 (also satisfies % 4 == 1), which
ensures the streaming loop output exactly matches num_frames with zero
waste. Optimal input counts: 25, 33, 41, 49, 57, 65, 73, 81, 89, 97, 105.

Also removes incorrect 2-frame warmup stripping from _restore_video_sequence
— the pipeline output doesn't have warmup artifacts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-13 16:20:02 +01:00

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