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Backgrounds: one locked Background per screen + mini rule (TASK 25)

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Llama Chile Shop
2026-08-23 13:33:33 -07:00
parent b400ab59c5
commit 7dd140a4c0
13 changed files with 554 additions and 309 deletions
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Services/LayoutStore.cs
+14 -1
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@@ -390,7 +390,7 @@ public class LayoutStore : IDisposable
// v5 → v6: Scene gains HasBackground. Added columns default to true; the
// ONE-TIME backfill (runs only when the column is first added) turns every
// non-Live canonical scene off and drops their background sources — the fix for
// DBs saved before the Live-only policy. MainViewModel.EnforceBackgroundPolicy
// DBs saved before the Live-only policy. MainViewModel.NormalizeBackgrounds
// re-runs the same normalization on every load for DBs that miss the backfill.
private void MigrateSceneTable()
{
@@ -1059,6 +1059,19 @@ public class LayoutStore : IDisposable
UpsertSetting(defaultKey, bg.UseDefaultBackground ? "1" : "0");
}
// Purge background settings left behind by deleted/duplicated rows
// (TASK 25 heal drops extras; their keys must not accumulate).
using (var purge = _connection.CreateCommand())
{
purge.Transaction = tx;
purge.CommandText =
@"DELETE FROM Settings
WHERE (Key LIKE 'BackgroundUseDefault\_%' ESCAPE '\'
OR Key LIKE 'BackgroundPath\_%' ESCAPE '\')
AND SUBSTR(Key, INSTR(Key, '_') + 1) NOT IN (SELECT Id FROM Source);";
purge.ExecuteNonQuery();
}
tx.Commit();
}
Services/index.md
+1 -1
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@@ -9,7 +9,7 @@ External-facing logic: YouTube API, persistence. See
| `YouTubeStreamService.cs` | Broadcast/stream management via the v3 API. **`CreateBroadcast` always sends `privacyStatus = "private"`** (ship step 7 — private-only until v1) and the one-click v3 flags (`enableAutoStart/Stop`, `enableMonitorStream=false`, `latencyPreference=low`); injectable `HttpClient? http = null` ctor seam so tests can fake the API. **`GetOrCreateReusableStreamAsync` (TASK 9, shipped 2026-08-16)** returns the channel's `ReusableStream` — lists `liveStreams?mine=true` and reuses the existing `cdn.isReusable` stream, inserting once only on first use (`resolution=variable`, `frameRate=variable`, `isReusable=true`); a stream id given to `CreateBroadcast` binds at insert via `contentDetails.boundStreamId`. RTMP URL = `ingestionAddress + "/" + streamName`. **`GetStreamHealthAsync(streamId)` (TASK 9 item 3, shipped 2026-08-16)** polls `liveStreams?part=status` → `StreamHealth` with parsed `configurationIssues[]` |
| `StreamHealthReporter.cs` | Pure report-by-exception decision (TASK 9 item 3): `BannerFor(issues)` → `HealthIssueReport(Text?, IsError)` — null text on good/ok/noData/info-only, first warning/error issue produces its type text, error beats warning for color |
| `YouTubeChatService.cs` | Polls `liveChat/messages`, raises `MessageReceived`; `IDisposable` |
| `LayoutStore.cs` | SQLite persistence (`Microsoft.Data.Sqlite`) at `%APPDATA%\ytLlive\ytLlive.db`; assets stored as BLOBs keyed by SHA-256 content hash; save/open layout files; schema `user_version` 6 (`Source.ClipShape`/`IsMirrored` via `ALTER TABLE` for pre-v2 DBs; v3 = singleton `Webcam` + per-scene `WebcamSceneConfig`, migrated idempotently **without backfill** — the stale `Source.DeviceId` column remains but is no longer read/written; v4 = `WebcamSceneConfig.RectWidth`/`RectHeight`, the pre-Round rect for the round-to-rect restore; v5 = `Source.IsBackdrop` + `Source.CaptureKey`, the live-capture backdrop; v6 = `Scene.HasBackdrop` — Live-only policy, one-time backfill turns Starting/BRB/Chat/Ending off + drops their backdrop sources; `MainViewModel.EnforceBackdropPolicy` re-normalizes on every load). Settings key/value table holds app state: `MicSourceName`, `ReusableStream` (TASK 9 — the cached reusable stream's id/address/name so the pump has its RTMP URL at startup) |
| `LayoutStore.cs` | SQLite persistence (`Microsoft.Data.Sqlite`) at `%APPDATA%\ytLlive\ytLlive.db`; assets stored as BLOBs keyed by SHA-256 content hash; save/open layout files; schema `user_version` 6 (`Source.ClipShape`/`IsMirrored` via `ALTER TABLE` for pre-v2 DBs; v3 = singleton `Webcam` + per-scene `WebcamSceneConfig`, migrated idempotently **without backfill** — the stale `Source.DeviceId` column remains but is no longer read/written; v4 = `WebcamSceneConfig.RectWidth`/`RectHeight`, the pre-Round rect for the round-to-rect restore; v5 = `Source.IsBackdrop` + `Source.CaptureKey`, the live-capture backdrop; v6 = `Scene.HasBackdrop` — Live-only policy, one-time backfill turns Starting/BRB/Chat/Ending off + drops their backdrop sources; `MainViewModel.NormalizeBackgrounds` re-normalizes on every load — TASK 25: one locked "Background" per canonical screen (static art everywhere, DisplayCapture on Live), duplicates dropped, index 0, orphaned `BackgroundUseDefault_*`/`BackgroundPath_*` Settings keys purged at save). Settings key/value table holds app state: `MicSourceName`, `ReusableStream` (TASK 9 — the cached reusable stream's id/address/name so the pump has its RTMP URL at startup) |
| `VideoFrame.cs` | Normalized CPU frame seam (`Width`/`Height`/tightly-packed BGRA `byte[]`) — the only pixel type the rest of the app knows about; future capture sources (screen, background-removed webcam) feed the same seam |
| `CameraDeviceInfo.cs` | `(Id, DisplayName)` for a physical capture device |
| `ICameraEnumerator.cs` | `GetCamerasAsync()` — seam so the picker/`CameraManager` never touch WinRT (tests inject fakes) |