Tuan Nghia Nguyen 6c72751a14 Add NvJpegPool (4 encoders) and JPEG passthrough in BmpToJpeg ...

- NvJpegPool: singleton pool of 4 NvJpegCompressor instances with
  lock-free slot acquisition (~160MB VRAM). Threads that can't grab
  a slot fall back to TurboJPEG with zero wait.
- JPEG passthrough: BmpToJpeg now checks if input is already JPEG
  (FF D8 FF magic) and copies directly without re-encoding.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-16 08:33:17 +10:00

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