dtourolleandClaude Opus 5 0a6509de93 Forget the face runs made on proxies too small to see a face
The floor added in the previous commit stops this happening again; it
does nothing about the 1,824 images in the reference library that
already carry a face_index row written against a proxy of 1024 or less.
Those rows are why the damage is permanent rather than merely past. The
work list is "images with no row for this model", so an image examined
against a 1024px proxy -- 0.078 faces per image, nine in ten finding
nothing -- is indistinguishable from one examined properly, and no
later pass will ever offer it to the detector again.

V12 deletes exactly those markers, and nothing else. The faces those
runs did find stay in place and keep drawing the People screen until a
better pass replaces them, and record_detections re-attaches the user's
confirmed names across that replacement by box overlap, so a library
somebody has spent an evening naming does not lose that evening. The
cost is a re-fetch of the affected images.

Deleting the marker rather than teaching the work-list query to select
on source_edge, which was the other option and is worse. A standing
`source_edge < floor` predicate never lets go: an image whose largest
embedded preview is genuinely smaller than the floor would be re-fetched
on every sweep for ever, because the next pass cannot do any better than
the last one did. A one-off deletion gives each affected image exactly
one more attempt through the good path and then lets the ordinary
"has a row" rule settle it.

The threshold is written out in the SQL instead of referring to
dr_face::MIN_DETECT_EDGE. A migration has to keep meaning what it meant
when it ran; binding it to a constant someone may raise later would
quietly change what an old catalog gets migrated to.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-30 19:40:26 +02:00
2026-08-30 16:52:05 +02:00
2026-08-26 10:08:51 +02:00
2026-08-30 16:52:05 +02:00
2026-08-30 16:52:05 +02:00

DarkRoom

A cross-platform, non-destructive RAW photo editor for Linux and Android.

Status: 0.9.0, and no longer a spike. A library opens, culls, develops and exports on both platforms, across eight tagged releases. What is not built is written down rather than merely absent — see docs/outstanding.md for the requirements that have no implementation and why, and docs/technical-debt.md for the compromises that were chosen.

Documentation

Document Contents
CONTRIBUTING.md How to land a first change without reading the rest
requirements.md What the software must do — 179 numbered requirements
architecture.md How it is built — crates, GPU pipeline, data model, sync
technical-debt.md Compromises taken deliberately, each with the condition that retires it
outstanding.md What is not built, and whether that is a decision or a gap
code-health.md What a contribution costs, per seam, measured
traceability.md Generated: which requirement is claimed by which file
faces.md Face detection and identity — the models, the licence problem, and what S14 measured

Building

Desktop:

cargo run -p darkroom-desktop

Android (containerised toolchain, see docker/android):

./docker/android/build.sh cargo ndk -t arm64-v8a build --release

Git LFS is required for the model weights, and the toolchain pins itself. CONTRIBUTING.md has the details and the four commands CI will run against what you send.

Current state

Working. A catalog over a local folder, a Nextcloud account, or a folder a sync client keeps in virtual-files mode — where a placeholder is treated as the photograph rather than as a one-byte file. A virtualised library grid with a capture-time timeline, ratings, labels, keywords, collections and a trash that survives a crash mid-operation. Card ingest. Face detection and identity, with the index syncing between devices. A develop pipeline of fifteen declared operations fused into a single compute dispatch, plus the neighbourhood operations that cannot be — clarity, texture, capture sharpening, noise reduction, lens correction, spectral film simulation. Crop, straighten, spot removal, gradient and subject-segmentation masks, named presets, and a generated panel that no operation in ui/ is allowed to name. Export to JPEG, PNG and 8- or 16-bit TIFF with resize and output sharpening.

The zero-copy display path works on desktop. The compute pass writes a texture that Slint composites directly, which is what ARCH §6.1 requires; the readback it forbids costs 96% of frame time at 4K, and

cargo run -p dr-gpu --example bench --features readback

still reproduces that measurement. The one exception is the Android develop view, which reads the frame back through the CPU because zero-copy there needs wgpu's Vulkan swapchain, and that tears a portrait window on a tablet whose panel is mounted landscape. It is debt, not a revision of the rule: the reasoning, the on-device measurements that forced it, and the three separate things any one of which would remove it are in technical-debt.md TD-1.

Not built. Plugins, compare and survey culling, focus peaking, burst grouping, AI denoise, tiled and progressive rendering, and most of the Android platform integration beyond running. The performance targets in §4.1 are unverified rather than unmet — the per-commit benchmark suite §8 requires does not exist, so nothing fails a build on a regression. docs/outstanding.md is the list, with the reasoning.

Licence

GPL-3.0-or-later.

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