 claude-noether
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080490d4a7
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firefox-fourier: add user-facing README explaining quick vs proper path
Two paths for HW decode through Firefox:
1. Easy: stock Firefox + MOZ_DISABLE_RDD_SANDBOX=1 (sandbox off,
defense-in-depth lost — OK for personal-machine use)
2. Proper: apply 0001-rdd-allow-stateless-v4l2-request-api.patch to
firefox-150.0.1 source, build (Arch overlay or generic mach build),
install. Sandbox stays on; HW decode works.
Patch covers all three sandbox gates discovered iter3-5:
- Broker: cap-filter widening + /dev/media* enumeration
- Seccomp: ioctl magic byte '|' (linux/media.h)
README also points at the companion libva-v4l2-request-fourier repo
which carries the libva-side fixes (request_fd lifecycle, DPB
FFmpeg-semantics, B-slice L1, multi-context safety) needed alongside
the Firefox patch.
Top-level README cross-link added.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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2026-05-05 17:48:34 +00:00 |
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