gramps
b22d08eca6
Positive offsets still delay the whole mix via the delay line (lip-sync fix); negative offsets now ARM once at StartLive and drop |N| ms off the pipe's write head so audio events land earlier when audio runs BEHIND video. Slider relabeled AUDIO SYNC, Min −500, locked while live/recording (IsEditMode). LayoutStore and VM clamp to −500..500. OBS reference for eat-the-head negative sync: https://obsproject.com/kb/obs-studio/buffering-time (negative sync values pull audio earlier by discarding buffered player audio). Test: StartLive_NegativeOffset_AdvancesAudio_ByDroppingTheStreamHead (6x0.9 head must be eaten before 0.2 bed reaches the wire).
308 lines
12 KiB
C#
308 lines
12 KiB
C#
using Microsoft.Data.Sqlite;
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using ytLive.Models;
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namespace ytLive.Services;
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public partial class LayoutStore : IDisposable
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{
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/// <summary>The last picked mic source name, or null if never chosen. Restored
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/// at startup so the sound bar reconnects to the same, already-vetted device.</summary>
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public string? LoadMicSourceName()
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = 'MicSourceName';";
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var value = cmd.ExecuteScalar() as string;
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return string.IsNullOrWhiteSpace(value) ? null : value;
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}
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public void SaveMicSourceName(string? name)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = 'MicSourceName';";
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cmd.ExecuteNonQuery();
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if (string.IsNullOrWhiteSpace(name))
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return;
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using var insert = _connection.CreateCommand();
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insert.CommandText = "INSERT INTO Settings (Key, Value) VALUES ('MicSourceName', $name);";
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insert.Parameters.AddWithValue("$name", name);
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insert.ExecuteNonQuery();
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}
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/// <summary>The global audio-sync offset in milliseconds (TASK 22), −500..500,
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/// default 0: positive delays the mix (audio ahead of video), negative
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/// advances it (audio behind video). Restored at startup so the mixer starts
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/// on the user's offset.</summary>
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public int LoadAudioSyncOffsetMs()
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{
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var value = GetSetting("Audio.SyncOffsetMs");
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return int.TryParse(value, out var ms) ? Math.Clamp(ms, -500, 500) : 0;
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}
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public void SaveAudioSyncOffsetMs(int ms)
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{
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UpsertSetting("Audio.SyncOffsetMs", Math.Clamp(ms, -500, 500).ToString());
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}
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/// <summary>The user's chosen record output folder (TASK 18), or null to use the
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/// default <c>%APPDATA%\ytLlive\recordings</c>. Restored at startup.</summary>
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public string? LoadRecordFolder()
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = 'RecordFolder';";
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var value = cmd.ExecuteScalar() as string;
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return string.IsNullOrWhiteSpace(value) ? null : value;
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}
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public void SaveRecordFolder(string? folder)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = 'RecordFolder';";
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cmd.ExecuteNonQuery();
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if (string.IsNullOrWhiteSpace(folder))
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return;
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using var insert = _connection.CreateCommand();
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insert.CommandText = "INSERT INTO Settings (Key, Value) VALUES ('RecordFolder', $folder);";
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insert.Parameters.AddWithValue("$folder", folder);
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insert.ExecuteNonQuery();
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}
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/// <summary>The cached reusable stream (TASK 5), or null if never created.
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/// Survives restarts so the pump has its RTMP URL the moment go-live starts
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/// instead of waiting on the YouTube round-trip.</summary>
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public ReusableStream? LoadReusableStream()
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = 'ReusableStream';";
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var value = cmd.ExecuteScalar() as string;
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if (string.IsNullOrWhiteSpace(value)) return null;
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var parts = value.Split('\u001F');
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return parts.Length == 3
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? new ReusableStream(parts[0], parts[1], parts[2])
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: null;
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}
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public void SaveReusableStream(ReusableStream? stream)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = 'ReusableStream';";
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cmd.ExecuteNonQuery();
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if (stream == null) return;
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using var insert = _connection.CreateCommand();
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insert.CommandText = "INSERT INTO Settings (Key, Value) VALUES ('ReusableStream', $value);";
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insert.Parameters.AddWithValue("$value", $"{stream.Id}\u001F{stream.IngestionAddress}\u001F{stream.StreamName}");
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insert.ExecuteNonQuery();
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}
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public string? LoadLicenseKey()
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = 'LicenseKey';";
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var value = cmd.ExecuteScalar() as string;
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return string.IsNullOrWhiteSpace(value) ? null : value;
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}
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public void SaveLicenseKey(string? key)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = 'LicenseKey';";
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cmd.ExecuteNonQuery();
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if (string.IsNullOrWhiteSpace(key)) return;
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using var insert = _connection.CreateCommand();
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insert.CommandText = "INSERT INTO Settings (Key, Value) VALUES ('LicenseKey', $value);";
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insert.Parameters.AddWithValue("$value", key);
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insert.ExecuteNonQuery();
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}
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/// <summary>When the license was last validated online (ISO 8601), or null if never.</summary>
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public DateTime? LoadLicenseValidatedAt()
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = 'LicenseValidatedAt';";
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var value = cmd.ExecuteScalar() as string;
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if (string.IsNullOrWhiteSpace(value)) return null;
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return DateTime.TryParse(value, out var dt) ? dt : null;
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}
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public void SaveLicenseValidatedAt(DateTime? dt)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = 'LicenseValidatedAt';";
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cmd.ExecuteNonQuery();
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if (dt == null) return;
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using var insert = _connection.CreateCommand();
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insert.CommandText = "INSERT INTO Settings (Key, Value) VALUES ('LicenseValidatedAt', $value);";
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insert.Parameters.AddWithValue("$value", dt.Value.ToString("o"));
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insert.ExecuteNonQuery();
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}
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/// <summary>Cached premium state (1 = premium, 0 = free). Used for offline
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/// grace period — the app checks online at startup but uses this cached
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/// value when offline.</summary>
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public bool LoadIsPremium()
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = 'IsPremium';";
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var value = cmd.ExecuteScalar() as string;
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return value == "1";
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}
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public void SaveIsPremium(bool isPremium)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = 'IsPremium';";
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cmd.ExecuteNonQuery();
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using var insert = _connection.CreateCommand();
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insert.CommandText = "INSERT INTO Settings (Key, Value) VALUES ('IsPremium', $value);";
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insert.Parameters.AddWithValue("$value", isPremium ? "1" : "0");
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insert.ExecuteNonQuery();
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}
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public (string TransitionType, double DurationMs) LoadTransitionSettings()
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = 'TransitionType';";
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var type = cmd.ExecuteScalar() as string;
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using var cmd2 = _connection.CreateCommand();
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cmd2.CommandText = "SELECT Value FROM Settings WHERE Key = 'TransitionDurationMs';";
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var dur = cmd2.ExecuteScalar() as string;
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return (type ?? "Fade", dur != null && double.TryParse(dur, out var d) ? d : 300);
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}
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public void SaveTransitionSettings(string transitionType, double durationMs)
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{
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UpsertSetting("TransitionType", transitionType);
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UpsertSetting("TransitionDurationMs", durationMs.ToString("F0"));
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}
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// ─── Broadcast metadata (broadcast pull-out) + window geometry ───
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public Models.BroadcastMetadata LoadBroadcastMetadata()
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{
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return new Models.BroadcastMetadata
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{
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Title = GetSetting("Broadcast.Title") ?? string.Empty,
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Description = GetSetting("Broadcast.Description") ?? string.Empty,
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TagsCsv = GetSetting("Broadcast.TagsCsv") ?? string.Empty,
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Visibility = GetSetting("Broadcast.Visibility") ?? "private",
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MadeForKids = GetSetting("Broadcast.MadeForKids") == "1",
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ScheduledStartTime = DateTime.TryParse(GetSetting("Broadcast.ScheduledStartTime"), out var t) ? t : null,
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};
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}
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public void SaveBroadcastMetadata(Models.BroadcastMetadata meta)
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{
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UpsertSetting("Broadcast.Title", meta.Title);
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UpsertSetting("Broadcast.Description", meta.Description);
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UpsertSetting("Broadcast.TagsCsv", meta.TagsCsv);
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UpsertSetting("Broadcast.Visibility", meta.Visibility);
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UpsertSetting("Broadcast.MadeForKids", meta.MadeForKids ? "1" : "0");
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UpsertSetting("Broadcast.ScheduledStartTime",
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meta.ScheduledStartTime?.ToString("o") ?? string.Empty);
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}
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// ─── Hotkey bindings (TASK 20 step 2) ───
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/// <summary>
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/// Load saved hotkey bindings. Returns only entries that have been explicitly
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/// saved — missing HotkeyIds are unbound (not in the returned dictionary).
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/// Caller fills in defaults for any missing entries as needed.
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/// </summary>
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public Dictionary<HotkeyId, HotkeyChord> LoadHotkeyBindings()
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{
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var result = new Dictionary<HotkeyId, HotkeyChord>();
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foreach (HotkeyId id in Enum.GetValues(typeof(HotkeyId)))
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{
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var raw = GetSetting($"Hotkey.{id}");
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if (raw == null) continue; // not saved = unbound
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if (raw == "none") continue; // explicitly unbound
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try
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{
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result[id] = HotkeyChord.ParseStorage(raw);
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}
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catch (FormatException)
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{
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// corrupt entry — skip, will fall back to default
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}
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}
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return result;
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}
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/// <summary>
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/// Save hotkey bindings. Null entries in the dictionary mean "unbound" (stored
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/// as "none"). Only the provided entries are saved; previously saved entries
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/// for HotkeyIds not in the dictionary are deleted.
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/// </summary>
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public void SaveHotkeyBindings(Dictionary<HotkeyId, HotkeyChord?> bindings)
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{
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// Delete all existing hotkey settings first
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foreach (HotkeyId id in Enum.GetValues(typeof(HotkeyId)))
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = $key;";
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cmd.Parameters.AddWithValue("$key", $"Hotkey.{id}");
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cmd.ExecuteNonQuery();
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}
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// Save the new bindings
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foreach (var (id, chord) in bindings)
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{
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var value = chord?.ToString() ?? "none";
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UpsertSetting($"Hotkey.{id}", value);
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}
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}
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public (double Left, double Top, double Width, double Height, string State)? LoadWindowState()
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{
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var left = GetSetting("Window.Left");
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var top = GetSetting("Window.Top");
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var width = GetSetting("Window.Width");
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var height = GetSetting("Window.Height");
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var state = GetSetting("Window.State");
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if (left == null || top == null || width == null || height == null) return null;
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if (!double.TryParse(left, out var l) || !double.TryParse(top, out var t) ||
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!double.TryParse(width, out var w) || !double.TryParse(height, out var h))
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return null;
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return (l, t, w, h, state ?? "Normal");
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}
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public void SaveWindowState(double left, double top, double width, double height, string state)
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{
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UpsertSetting("Window.Left", left.ToString("F0"));
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UpsertSetting("Window.Top", top.ToString("F0"));
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UpsertSetting("Window.Width", width.ToString("F0"));
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UpsertSetting("Window.Height", height.ToString("F0"));
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UpsertSetting("Window.State", state);
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}
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private string? GetSetting(string key)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "SELECT Value FROM Settings WHERE Key = $key;";
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cmd.Parameters.AddWithValue("$key", key);
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return cmd.ExecuteScalar() as string;
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}
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private void UpsertSetting(string key, string value)
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{
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using var cmd = _connection.CreateCommand();
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cmd.CommandText = "DELETE FROM Settings WHERE Key = $key;";
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cmd.Parameters.AddWithValue("$key", key);
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cmd.ExecuteNonQuery();
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using var insert = _connection.CreateCommand();
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insert.CommandText = "INSERT INTO Settings (Key, Value) VALUES ($key, $value);";
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insert.Parameters.AddWithValue("$key", key);
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insert.Parameters.AddWithValue("$value", value);
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insert.ExecuteNonQuery();
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}
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}
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