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vitaImmich/goals.md
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SadsandClaude Fable 5 e0de84a755 Auto-fetch new photos, stable month jumps, video rotation, throbbers
- new photos on the server appear automatically: the grid polls the
  newest page every ~30 s while settled; dedup_new_assets drops
  already-known ids (and also guards page fetches against server-side
  pagination drift)
- rebuild_keep_view pins the scroll and selection to the same photo
  across every relayout (page fetch, poll, sync), so loads no longer
  move the view
- R/L month jump anchors the landed month's header to the top of the
  screen, and R fetches ahead until the next month is actually loaded
- portrait videos play upright: the asset's exif orientation is kept
  (g_asset_rot) and the player rotates decoded frames (draw_video_frame)
- "loading..." texts replaced by a spinning throbber: centered when an
  item has no preview yet, a small corner one while the full-res loads
  over the thumb (never both)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-06-13 01:16:57 +02:00

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vitaImmich — Goals

Task list for the current round of work. Checked items are done.

1. Make asset/local storage scalable (remove 1000 / 500 caps)

  • Replace fixed MAX_ASSETS (1000) server-asset arrays with dynamically grown (realloc, doubling) arrays.
  • Replace fixed MAX_LOCAL (500) local-media arrays with dynamically grown arrays (grown during the startup scan, fixed afterward).
  • Replace the fixed g_disp[DISP_MAX] merged-timeline array with a grown array.
  • Decouple the thumbnail worker thread from the growable arrays (pass the request id/path through dedicated buffers) so a realloc on the main thread can never dangle a pointer the worker is reading.

2. Zoom and pan in the image viewer

  • Enable analog-stick sampling.
  • R trigger zoom in / L trigger zoom out in the detail view.
  • Left stick pans when zoomed in; pan is clamped to the image bounds.
  • Zoom/pan reset when moving to another photo; browsing left/right is disabled while zoomed.
  • Compute a grid layout with section headers inserted whenever the month/year of the (date-sorted) timeline changes.
  • Draw "Month YYYY" headers; render items under the right header.
  • Scroll, selection-follow, visible-range and thumb eviction all use the computed per-item positions.

4. Show more relevant info in the SELECT (sync) menu

  • Photo vs video breakdown for server + local.
  • Total local media size, backed-up size and percentage.
  • Details for the currently selected item (name, date, size, state).

5. Fix the fast-scroll crash (pre-existing, reproduced in Vita3K)

  • Root cause: freeing a thumbnail texture unmaps its memblock while the GPU side (Vita3K's texture cache re-reads guest memory of cached textures) may still touch it — random-looking crashes deep in OpenSSL / libjpeg / strlen whenever eviction ran during a scroll. Fixed by recycling thumbnails through a texture pool (tex_acquire/tex_release) instead of ever freeing them mid-run.
  • Pace the main loop with sceDisplayWaitVblankStart() — without it the loop free-runs in the emulator, racing the held d-pad into a page-fetch storm (30+ requests/second against the server).
  • Suspend thumbnail loads/eviction and page fetches while the selection is still moving (scrolling_fast settle counter).
  • Serialize all curl_easy_perform calls behind one mutex — vitasdk's OpenSSL 1.0.2 is built without thread support, so concurrent TLS from the main/worker/sync threads is unsafe (also installed OpenSSL locking callbacks for defense in depth).
  • Pre-grow the newlib heap (96 MB, trim disabled) at boot so heap memblock mapping never happens while multiple threads run.
  • Verified: repeated 10–12 s held-scroll cycles to photo 1780+ across multiple pages, zero GPU faults / zero crashes (previous builds died within ~10 s).

6. Open bugs / polish

  • R (month jump) lands on the next month, but when more pages load the view shifts away from the landing spot — fixed: rebuild_keep_view pins the scroll/selection to the same photo across every rebuild (page fetch, poll, sync), and R now fetches ahead until the next month is actually loaded before jumping.
  • R scrolls the jumped-to month to the top of the screen, header band included.
  • Portrait videos play sideways — fixed: the asset's exif orientation is kept (g_asset_rot) and the player rotates decoded frames upright (draw_video_frame).
  • Replaced the "loading..." texts with a spinning throbber: centered when there is no preview at all, a small corner one while the full-res loads over the thumb.