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TASK 3 milestone 1: webcam capture (MediaCapture CPU-first, CameraManager refcount, picker, clip/mirror, schema v2, tests)

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This commit is contained in:
Llama Chile Shop
2026-08-06 14:35:34 -07:00
parent d97b5d375c
commit 98cdc4b3f4
23 changed files with 1099 additions and 40 deletions
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Services/LayoutStore.cs
+44 -4
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@@ -31,7 +31,7 @@ public class LayoutStore : IDisposable
{
string[] statements =
{
"PRAGMA user_version = 1;",
"PRAGMA user_version = 2;",
"""
CREATE TABLE IF NOT EXISTS Scene (
Id TEXT PRIMARY KEY,
@@ -65,6 +65,8 @@ public class LayoutStore : IDisposable
Opacity REAL NOT NULL DEFAULT 1,
MonitorIndex INTEGER,
DeviceId TEXT,
ClipShape TEXT NOT NULL DEFAULT 'Traditional',
IsMirrored INTEGER NOT NULL DEFAULT 0,
SortOrder INTEGER NOT NULL DEFAULT 0
);
""",
@@ -75,6 +77,36 @@ public class LayoutStore : IDisposable
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
}
MigrateSourceTable();
}
// v1 → v2: Source gains ClipShape + IsMirrored (webcam clip/mirror prefs).
// CREATE TABLE IF NOT EXISTS doesn't touch existing tables, so pre-v2 DBs
// get the columns here instead.
private void MigrateSourceTable()
{
var columns = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "PRAGMA table_info(Source);";
using var reader = cmd.ExecuteReader();
while (reader.Read())
columns.Add(reader.GetString(1));
}
if (!columns.Contains("ClipShape"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ClipShape TEXT NOT NULL DEFAULT 'Traditional';";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("IsMirrored"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN IsMirrored INTEGER NOT NULL DEFAULT 0;";
cmd.ExecuteNonQuery();
}
}
public List<Scene> Load()
@@ -102,7 +134,7 @@ public class LayoutStore : IDisposable
{
cmd.CommandText = """
SELECT Id, SceneId, AssetId, Type, Name, IsEnabled,
X, Y, Width, Height, Opacity, MonitorIndex, DeviceId
X, Y, Width, Height, Opacity, MonitorIndex, DeviceId, ClipShape, IsMirrored
FROM Source ORDER BY SortOrder
""";
using var reader = cmd.ExecuteReader();
@@ -123,6 +155,8 @@ public class LayoutStore : IDisposable
Opacity = reader.GetDouble(10),
MonitorIndex = reader.IsDBNull(11) ? null : reader.GetInt32(11),
DeviceId = reader.IsDBNull(12) ? null : reader.GetString(12),
ClipShape = Enum.TryParse<ClipShape>(reader.GetString(13), out var clip) ? clip : ClipShape.Traditional,
IsMirrored = reader.GetInt32(14) != 0,
};
if (!sourcesByScene.TryGetValue(sceneId, out var list))
sourcesByScene[sceneId] = list = new List<Source>();
@@ -185,9 +219,11 @@ public class LayoutStore : IDisposable
{
cmd.CommandText = """
INSERT INTO Source (Id, SceneId, AssetId, Type, Name, IsEnabled,
X, Y, Width, Height, Opacity, MonitorIndex, DeviceId, SortOrder)
X, Y, Width, Height, Opacity, MonitorIndex, DeviceId,
ClipShape, IsMirrored, SortOrder)
VALUES ($id, $sceneId, $assetId, $type, $name, $isEnabled,
$x, $y, $w, $h, $opacity, $monitor, $device, $sort)
$x, $y, $w, $h, $opacity, $monitor, $device,
$clip, $mirrored, $sort)
""";
cmd.Transaction = tx;
var idP = cmd.Parameters.Add("$id", SqliteType.Text);
@@ -203,6 +239,8 @@ public class LayoutStore : IDisposable
var opacityP = cmd.Parameters.Add("$opacity", SqliteType.Real);
var monitorP = cmd.Parameters.Add("$monitor", SqliteType.Integer);
var deviceP = cmd.Parameters.Add("$device", SqliteType.Text);
var clipP = cmd.Parameters.Add("$clip", SqliteType.Text);
var mirroredP = cmd.Parameters.Add("$mirrored", SqliteType.Integer);
var sortP = cmd.Parameters.Add("$sort", SqliteType.Integer);
foreach (var scene in scenes)
@@ -223,6 +261,8 @@ public class LayoutStore : IDisposable
opacityP.Value = source.Opacity;
monitorP.Value = (object?)source.MonitorIndex ?? DBNull.Value;
deviceP.Value = (object?)source.DeviceId ?? DBNull.Value;
clipP.Value = source.ClipShape.ToString();
mirroredP.Value = source.IsMirrored ? 1 : 0;
sortP.Value = sort++;
cmd.ExecuteNonQuery();
}