From a1d634b66e9dd4a5c69311659b300f139d4f8a90 Mon Sep 17 00:00:00 2001
From: rlauuzo <46294892+rlauuzo@users.noreply.github.com>
Date: Sat, 2 Nov 2024 18:17:22 +0100
Subject: [PATCH] Switch from XML Files to SQLite DB (#365)

Co-authored-by: rlauu <46294892+rlauu@users.noreply.github.com>
Co-authored-by: Kilian von Pflugk <github@jumoog.io>
---
 IntroSkipper/Analyzers/BlackFrameAnalyzer.cs  |   9 +-
 IntroSkipper/Analyzers/ChapterAnalyzer.cs     |   9 +-
 IntroSkipper/Analyzers/ChromaprintAnalyzer.cs |  15 +-
 IntroSkipper/Analyzers/IMediaFileAnalyzer.cs  |   3 +-
 IntroSkipper/Configuration/configPage.html    | 127 +++----
 .../Controllers/SkipIntroController.cs        |  92 +++---
 .../Controllers/VisualizationController.cs    | 134 ++------
 IntroSkipper/Data/AnalyzerAction.cs           |  35 ++
 IntroSkipper/Data/EpisodeState.cs             |  53 ---
 IntroSkipper/Data/IgnoreListItem.cs           |  92 ------
 IntroSkipper/Data/QueuedEpisode.cs            |  27 +-
 IntroSkipper/Data/Segment.cs                  |   1 -
 .../Data/UpdateAnalyzerActionsRequest.cs      |  21 ++
 IntroSkipper/Db/DbSeasonInfo.cs               |  51 +++
 IntroSkipper/Db/DbSegment.cs                  |  56 ++++
 IntroSkipper/Db/IntroSkipperDbContext.cs      |  80 +++++
 IntroSkipper/IntroSkipper.csproj              |   1 +
 IntroSkipper/Manager/QueueManager.cs          |  24 +-
 IntroSkipper/Plugin.cs                        | 310 ++++++++----------
 IntroSkipper/Providers/SegmentProvider.cs     |  28 +-
 .../ScheduledTasks/BaseItemAnalyzerTask.cs    |  43 ++-
 IntroSkipper/ScheduledTasks/CleanCacheTask.cs |  52 +--
 IntroSkipper/Services/AutoSkip.cs             |   5 +-
 IntroSkipper/Services/AutoSkipCredits.cs      |   4 +-
 IntroSkipper/Services/Entrypoint.cs           |   6 +-
 25 files changed, 628 insertions(+), 650 deletions(-)
 create mode 100644 IntroSkipper/Data/AnalyzerAction.cs
 delete mode 100644 IntroSkipper/Data/EpisodeState.cs
 delete mode 100644 IntroSkipper/Data/IgnoreListItem.cs
 create mode 100644 IntroSkipper/Data/UpdateAnalyzerActionsRequest.cs
 create mode 100644 IntroSkipper/Db/DbSeasonInfo.cs
 create mode 100644 IntroSkipper/Db/DbSegment.cs
 create mode 100644 IntroSkipper/Db/IntroSkipperDbContext.cs

diff --git a/IntroSkipper/Analyzers/BlackFrameAnalyzer.cs b/IntroSkipper/Analyzers/BlackFrameAnalyzer.cs
index 7f58516..f5ea273 100644
--- a/IntroSkipper/Analyzers/BlackFrameAnalyzer.cs
+++ b/IntroSkipper/Analyzers/BlackFrameAnalyzer.cs
@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
+using System.Threading.Tasks;
 using IntroSkipper.Configuration;
 using IntroSkipper.Data;
 using Microsoft.Extensions.Logging;
@@ -26,7 +27,7 @@ public class BlackFrameAnalyzer(ILogger<BlackFrameAnalyzer> logger) : IMediaFile
     private readonly int _blackFrameMinimumPercentage = _config.BlackFrameMinimumPercentage;
 
     /// <inheritdoc />
-    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
+    public async Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
         IReadOnlyList<QueuedEpisode> analysisQueue,
         AnalysisMode mode,
         CancellationToken cancellationToken)
@@ -46,7 +47,7 @@ public class BlackFrameAnalyzer(ILogger<BlackFrameAnalyzer> logger) : IMediaFile
 
         var searchDistance = 2 * _minimumCreditsDuration;
 
-        foreach (var episode in episodeAnalysisQueue.Where(e => !e.State.IsAnalyzed(mode)))
+        foreach (var episode in episodeAnalysisQueue.Where(e => !e.GetAnalyzed(mode)))
         {
             if (cancellationToken.IsCancellationRequested)
             {
@@ -116,13 +117,13 @@ public class BlackFrameAnalyzer(ILogger<BlackFrameAnalyzer> logger) : IMediaFile
             searchStart = episode.Duration - credit.Start + (0.5 * searchDistance);
 
             creditTimes.Add(episode.EpisodeId, credit);
-            episode.State.SetAnalyzed(mode, true);
+            episode.SetAnalyzed(mode, true);
         }
 
         var analyzerHelper = new AnalyzerHelper(_logger);
         creditTimes = analyzerHelper.AdjustIntroTimes(analysisQueue, creditTimes, mode);
 
-        Plugin.Instance!.UpdateTimestamps(creditTimes, mode);
+        await Plugin.Instance!.UpdateTimestamps(creditTimes, mode).ConfigureAwait(false);
 
         return episodeAnalysisQueue;
     }
diff --git a/IntroSkipper/Analyzers/ChapterAnalyzer.cs b/IntroSkipper/Analyzers/ChapterAnalyzer.cs
index 733a2e6..efb272e 100644
--- a/IntroSkipper/Analyzers/ChapterAnalyzer.cs
+++ b/IntroSkipper/Analyzers/ChapterAnalyzer.cs
@@ -7,6 +7,7 @@ using System.Globalization;
 using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading;
+using System.Threading.Tasks;
 using IntroSkipper.Configuration;
 using IntroSkipper.Data;
 using MediaBrowser.Model.Entities;
@@ -26,7 +27,7 @@ public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyz
     private ILogger<ChapterAnalyzer> _logger = logger;
 
     /// <inheritdoc />
-    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
+    public async Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
         IReadOnlyList<QueuedEpisode> analysisQueue,
         AnalysisMode mode,
         CancellationToken cancellationToken)
@@ -45,7 +46,7 @@ public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyz
             return analysisQueue;
         }
 
-        foreach (var episode in episodeAnalysisQueue.Where(e => !e.State.IsAnalyzed(mode)))
+        foreach (var episode in episodeAnalysisQueue.Where(e => !e.GetAnalyzed(mode)))
         {
             if (cancellationToken.IsCancellationRequested)
             {
@@ -64,10 +65,10 @@ public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyz
             }
 
             skippableRanges.Add(episode.EpisodeId, skipRange);
-            episode.State.SetAnalyzed(mode, true);
+            episode.SetAnalyzed(mode, true);
         }
 
-        Plugin.Instance.UpdateTimestamps(skippableRanges, mode);
+        await Plugin.Instance.UpdateTimestamps(skippableRanges, mode).ConfigureAwait(false);
 
         return episodeAnalysisQueue;
     }
diff --git a/IntroSkipper/Analyzers/ChromaprintAnalyzer.cs b/IntroSkipper/Analyzers/ChromaprintAnalyzer.cs
index 865e2b3..e6159a6 100644
--- a/IntroSkipper/Analyzers/ChromaprintAnalyzer.cs
+++ b/IntroSkipper/Analyzers/ChromaprintAnalyzer.cs
@@ -7,6 +7,7 @@ using System.IO;
 using System.Linq;
 using System.Numerics;
 using System.Threading;
+using System.Threading.Tasks;
 using IntroSkipper.Configuration;
 using IntroSkipper.Data;
 using Microsoft.Extensions.Logging;
@@ -52,7 +53,7 @@ public class ChromaprintAnalyzer : IMediaFileAnalyzer
     }
 
     /// <inheritdoc />
-    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
+    public async Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
         IReadOnlyList<QueuedEpisode> analysisQueue,
         AnalysisMode mode,
         CancellationToken cancellationToken)
@@ -67,7 +68,7 @@ public class ChromaprintAnalyzer : IMediaFileAnalyzer
         var episodeAnalysisQueue = new List<QueuedEpisode>(analysisQueue);
 
         // Episodes that were analyzed and do not have an introduction.
-        var episodesWithoutIntros = episodeAnalysisQueue.Where(e => !e.State.IsAnalyzed(mode)).ToList();
+        var episodesWithoutIntros = episodeAnalysisQueue.Where(e => !e.GetAnalyzed(mode)).ToList();
 
         _analysisMode = mode;
 
@@ -79,7 +80,7 @@ public class ChromaprintAnalyzer : IMediaFileAnalyzer
         var episodesWithFingerprint = new List<QueuedEpisode>(episodesWithoutIntros);
 
         // Load fingerprints from cache if available.
-        episodesWithFingerprint.AddRange(episodeAnalysisQueue.Where(e => e.State.IsAnalyzed(mode) && File.Exists(FFmpegWrapper.GetFingerprintCachePath(e, mode))));
+        episodesWithFingerprint.AddRange(episodeAnalysisQueue.Where(e => e.GetAnalyzed(mode) && File.Exists(FFmpegWrapper.GetFingerprintCachePath(e, mode))));
 
         // Ensure at least two fingerprints are present.
         if (episodesWithFingerprint.Count == 1)
@@ -89,7 +90,9 @@ public class ChromaprintAnalyzer : IMediaFileAnalyzer
                 .Where((episode, index) => Math.Abs(index - indexInAnalysisQueue) <= 1 && index != indexInAnalysisQueue));
         }
 
-        seasonIntros = episodesWithFingerprint.Where(e => e.State.IsAnalyzed(mode)).ToDictionary(e => e.EpisodeId, e => Plugin.GetIntroByMode(e.EpisodeId, mode));
+        seasonIntros = episodesWithFingerprint
+            .Where(e => e.GetAnalyzed(mode))
+            .ToDictionary(e => e.EpisodeId, e => Plugin.Instance!.GetSegmentByMode(e.EpisodeId, mode));
 
         // Compute fingerprints for all episodes in the season
         foreach (var episode in episodesWithFingerprint)
@@ -193,7 +196,7 @@ public class ChromaprintAnalyzer : IMediaFileAnalyzer
             if (seasonIntros.ContainsKey(currentEpisode.EpisodeId))
             {
                 episodesWithFingerprint.Add(currentEpisode);
-                episodeAnalysisQueue.FirstOrDefault(x => x.EpisodeId == currentEpisode.EpisodeId)?.State.SetAnalyzed(mode, true);
+                episodeAnalysisQueue.FirstOrDefault(x => x.EpisodeId == currentEpisode.EpisodeId)?.SetAnalyzed(mode, true);
             }
         }
 
@@ -207,7 +210,7 @@ public class ChromaprintAnalyzer : IMediaFileAnalyzer
         var analyzerHelper = new AnalyzerHelper(_logger);
         seasonIntros = analyzerHelper.AdjustIntroTimes(analysisQueue, seasonIntros, _analysisMode);
 
-        Plugin.Instance!.UpdateTimestamps(seasonIntros, _analysisMode);
+        await Plugin.Instance!.UpdateTimestamps(seasonIntros, _analysisMode).ConfigureAwait(false);
 
         return episodeAnalysisQueue;
     }
diff --git a/IntroSkipper/Analyzers/IMediaFileAnalyzer.cs b/IntroSkipper/Analyzers/IMediaFileAnalyzer.cs
index 32b8b5b..a57955a 100644
--- a/IntroSkipper/Analyzers/IMediaFileAnalyzer.cs
+++ b/IntroSkipper/Analyzers/IMediaFileAnalyzer.cs
@@ -3,6 +3,7 @@
 
 using System.Collections.Generic;
 using System.Threading;
+using System.Threading.Tasks;
 using IntroSkipper.Data;
 
 namespace IntroSkipper.Analyzers;
@@ -19,7 +20,7 @@ public interface IMediaFileAnalyzer
     /// <param name="mode">Analysis mode.</param>
     /// <param name="cancellationToken">Cancellation token from scheduled task.</param>
     /// <returns>Collection of media files that were **unsuccessfully analyzed**.</returns>
-    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
+    Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
         IReadOnlyList<QueuedEpisode> analysisQueue,
         AnalysisMode mode,
         CancellationToken cancellationToken);
diff --git a/IntroSkipper/Configuration/configPage.html b/IntroSkipper/Configuration/configPage.html
index 271c5df..1ccf264 100644
--- a/IntroSkipper/Configuration/configPage.html
+++ b/IntroSkipper/Configuration/configPage.html
@@ -103,9 +103,9 @@
                                 <summary>Modify Segment Parameters</summary>
 
                                 <p>
-                                  <b style="color:orange">Changing segment parameters requires regenerating media segments before changes take effect.</b>
-                                  <br />
-                                  Per the jellyfin MediaSegments API, records must be updated individually and may be slow to regenerate.
+                                    <b style="color: orange">Changing segment parameters requires regenerating media segments before changes take effect.</b>
+                                    <br />
+                                    Per the jellyfin MediaSegments API, records must be updated individually and may be slow to regenerate.
                                 </p>
 
                                 <div class="inputContainer">
@@ -242,9 +242,7 @@
                                 </div>
                             </details>
 
-                            <p align="center" style="font-size: 0.75em">
-                                EDL file generation has been removed. Please use endrl's <a href="https://github.com/endrl/jellyfin-plugin-edl">EDL plugin</a>.
-                            </p>
+                            <p align="center" style="font-size: 0.75em">EDL file generation has been removed. Please use endrl's <a href="https://github.com/endrl/jellyfin-plugin-edl">EDL plugin</a>.</p>
                         </fieldset>
 
                         <fieldset class="verticalSection-extrabottompadding">
@@ -324,9 +322,7 @@
                                 </div>
                             </div>
 
-                            <div id="warningMessage" style="color: #721c24; background-color: #f7cf1f; border: 1px solid #f5c6cb; border-radius: 4px; padding: 10px; margin-bottom: 10px">
-                                Failed to add skip button to web interface. See <a href="https://github.com/intro-skipper/intro-skipper/wiki/Troubleshooting#skip-button-is-not-visible" target="_blank" rel="noopener noreferrer">troubleshooting guide</a> for the most common issues.
-                            </div>
+                            <div id="warningMessage" style="color: #721c24; background-color: #f7cf1f; border: 1px solid #f5c6cb; border-radius: 4px; padding: 10px; margin-bottom: 10px">Failed to add skip button to web interface. See <a href="https://github.com/intro-skipper/intro-skipper/wiki/Troubleshooting#skip-button-is-not-visible" target="_blank" rel="noopener noreferrer">troubleshooting guide</a> for the most common issues.</div>
 
                             <details>
                                 <summary>User Interface Customization</summary>
@@ -409,28 +405,39 @@
                                 </div>
                                 <br />
 
-                                <div id="ignorelistSection" style="display: none">
-                                    <h3 style="margin: 0">Ignore list editor</h3>
+                                <div id="analyzerActionsSection" style="display: none">
+                                    <h3 style="margin: 0">Analyzer actions</h3>
                                     <p style="margin: 0">
-                                        Add or remove items from the ignore list. Items on the ignore list will not be analyzed.<br />
-                                        You can apply the changes for the entire series or just the selected season.
+                                        Choose how segments should be analyzed for this season.<br />
+                                        Default uses all available detection methods (Chromaprint, Chapter, and BlackFrame for credits).<br />
+                                        Select specific methods to limit analysis, or None to skip detection entirely.
                                     </p>
                                     <br />
 
-                                    <div id="ignoreListCheckboxContainer">
-                                        <label for="ignorelistIntro" style="margin-right: 1.5em; display: inline-block">
-                                            <span>Ignore intros</span>
-                                            <input type="checkbox" id="ignorelistIntro" />
+                                    <div id="analyzerActionsContainer">
+                                        <label for="actionIntro" style="margin-right: 1.5em; display: inline-block">
+                                            <span>Introduction analysis</span>
+                                            <select is="emby-select" id="actionIntro" class="emby-select-withcolor emby-select">
+                                                <option value="Default">Default</option>
+                                                <option value="Chapter">Chapter</option>
+                                                <option value="Chromaprint">Chromaprint</option>
+                                                <option value="None">None</option>
+                                            </select>
                                         </label>
-                                        <label for="ignorelistCredits" style="margin-right: 1.5em; display: inline-block">
-                                            <span>Ignore credits</span>
-                                            <input type="checkbox" id="ignorelistCredits" />
+                                        <label for="actionCredits" style="margin-right: 1.5em; display: inline-block">
+                                            <span>Credits analysis</span>
+                                            <select is="emby-select" id="actionCredits" class="emby-select-withcolor emby-select">
+                                                <option value="Default">Default</option>
+                                                <option value="Chapter">Chapter</option>
+                                                <option value="Chromaprint">Chromaprint</option>
+                                                <option value="BlackFrame">BlackFrame</option>
+                                                <option value="None">None</option>
+                                            </select>
                                         </label>
                                     </div>
                                     <br />
 
-                                    <button is="emby-button" id="saveIgnoreListSeries" class="raised button-submit block emby-button">Apply to series / movie</button>
-                                    <button is="emby-button" id="saveIgnoreListSeason" class="raised button-submit block emby-button" style="display: none">Apply to season</button>
+                                    <button is="emby-button" id="saveAnalyzerActions" class="raised button-submit block emby-button" style="display: none">Apply changes.</button>
                                 </div>
                                 <br />
 
@@ -513,7 +520,6 @@
                                 </div>
 
                                 <div id="fingerprintVisualizer" style="display: none">
-
                                     <h3>Fingerprint Visualizer</h3>
                                     <p>
                                         Interactively compare the audio fingerprints of two episodes. <br />
@@ -624,8 +630,6 @@
                 // seasons grouped by show
                 var shows = {};
 
-                var IgnoreListSeasonId;
-
                 // settings elements
                 var visualizer = document.querySelector("details#visualizer");
                 var support = document.querySelector("details#support");
@@ -667,11 +671,10 @@
                 var booleanConfigurationFields = ["AutoDetectIntros", "AutoDetectCredits", "AnalyzeMovies", "AnalyzeSeasonZero", "SelectAllLibraries", "UpdateMediaSegments", "RegenerateMediaSegments", "CacheFingerprints", "AutoSkip", "AutoSkipCredits", "SkipFirstEpisode", "PersistSkipButton", "SkipButtonEnabled"];
 
                 // visualizer elements
-                var ignorelistSection = document.querySelector("div#ignorelistSection");
-                var ignorelistIntro = ignorelistSection.querySelector("input#ignorelistIntro");
-                var ignorelistCredits = ignorelistSection.querySelector("input#ignorelistCredits");
-                var saveIgnoreListSeasonButton = ignorelistSection.querySelector("button#saveIgnoreListSeason");
-                var saveIgnoreListSeriesButton = ignorelistSection.querySelector("button#saveIgnoreListSeries");
+                var analyzerActionsSection = document.querySelector("div#analyzerActionsSection");
+                var actionIntro = analyzerActionsSection.querySelector("select#actionIntro");
+                var actionCredits = analyzerActionsSection.querySelector("select#actionCredits");
+                var saveAnalyzerActionsButton = analyzerActionsSection.querySelector("button#saveAnalyzerActions");
                 var canvas = document.querySelector("canvas#troubleshooter");
                 var selectShow = document.querySelector("select#troubleshooterShow");
                 var seasonSelection = document.getElementById("seasonSelection");
@@ -852,8 +855,8 @@
                 // when the fingerprint visualizer opens, populate show names
                 async function visualizerToggled() {
                     if (!visualizer.open) {
-                        ignorelistSection.style.display = "none";
-                        saveIgnoreListSeasonButton.style.display = "none";
+                        analyzerActionsSection.style.display = "none";
+                        saveAnalyzerActionsButton.style.display = "none";
                         return;
                     }
 
@@ -948,22 +951,11 @@
                     clearSelect(selectEpisode1);
                     clearSelect(selectEpisode2);
 
-                    // show the ignore list editor.
-                    Dashboard.showLoadingMsg();
-                    const IgnoreList = await getJson("Intros/IgnoreListSeries/" + encodeURI(selectShow.value));
-                    ignorelistIntro.checked = IgnoreList.IgnoreIntro;
-                    ignorelistCredits.checked = IgnoreList.IgnoreCredits;
-                    ignorelistSection.style.display = "unset";
-                    saveIgnoreListSeasonButton.style.display = "none";
-                    Dashboard.hideLoadingMsg();
-
                     if (shows[selectShow.value].IsMovie) {
                         movieLoaded();
                         return;
                     }
 
-                    saveIgnoreListSeriesButton.textContent = "Apply to series";
-
                     // add all seasons from this show to the season select
                     for (const season in shows[selectShow.value].Seasons) {
                         addItem(selectSeason, "Season " + shows[selectShow.value].Seasons[season], season);
@@ -976,12 +968,12 @@
                 async function seasonChanged() {
                     const seasonData = encodeURI(selectShow.value) + "/" + encodeURI(selectSeason.value);
                     Dashboard.showLoadingMsg();
-                    // show the ignore list editor.
-                    saveIgnoreListSeasonButton.style.display = "block";
-                    const IgnoreList = await getJson("Intros/IgnoreListSeason/" + encodeURI(selectSeason.value));
-                    ignorelistIntro.checked = IgnoreList.IgnoreIntro;
-                    ignorelistCredits.checked = IgnoreList.IgnoreCredits;
-                    IgnoreListSeasonId = IgnoreList.SeasonId;
+                    // show the analyzer actions editor.
+                    saveAnalyzerActionsButton.style.display = "block";
+                    const analyzerActions = (await getJson("Intros/AnalyzerActions/" + encodeURI(selectSeason.value))) || { Introduction: "Default", Credits: "Default" };
+                    actionIntro.value = analyzerActions.Introduction || "Default";
+                    actionCredits.value = analyzerActions.Credits || "Default";
+                    analyzerActionsSection.style.display = "unset";
 
                     // show the erase season button
                     eraseSeasonContainer.style.display = "unset";
@@ -1049,10 +1041,9 @@
                 }
 
                 async function movieLoaded() {
-
                     Dashboard.showLoadingMsg();
 
-                    saveIgnoreListSeriesButton.textContent = "Apply to movie";
+                    saveAnalyzerActionsButton.textContent = "Apply to movie";
                     seasonSelection.style.display = "none";
                     episodeSelection.style.display = "none";
                     eraseMovieContainer.style.display = "unset";
@@ -1088,7 +1079,7 @@
                     document.querySelector("#editLeftIntroEpisodeStartEdit").value = leftEpisodeJson.Introduction.Start;
                     document.querySelector("#editLeftIntroEpisodeEndEdit").value = leftEpisodeJson.Introduction.End;
                     document.querySelector("#editLeftCreditEpisodeStartEdit").value = leftEpisodeJson.Credits.Start;
-                    document.querySelector("#editLeftCreditEpisodeEndEdit").value = leftEpisodeJson.Credits.End
+                    document.querySelector("#editLeftCreditEpisodeEndEdit").value = leftEpisodeJson.Credits.End;
 
                     // Update display inputs
                     const inputs = document.querySelectorAll('#timestampEditor input[type="number"]');
@@ -1412,33 +1403,21 @@
                         document.getElementById("eraseMovieCacheCheckbox").checked = false;
                     });
                 });
-                saveIgnoreListSeasonButton.addEventListener("click", () => {
+                saveAnalyzerActionsButton.addEventListener("click", () => {
                     Dashboard.showLoadingMsg();
 
-                    var url = "Intros/IgnoreList/UpdateSeason";
-                    const newRhs = {
-                        IgnoreIntro: ignorelistIntro.checked,
-                        IgnoreCredits: ignorelistCredits.checked,
-                        SeasonId: IgnoreListSeasonId,
+                    var url = "Intros/AnalyzerActions/UpdateSeason";
+                    const actions = {
+                        id: selectSeason.value,
+                        analyzerActions: {
+                            Introduction: actionIntro.value,
+                            Credits: actionCredits.value,
+                        },
                     };
 
-                    fetchWithAuth(url, "POST", JSON.stringify(newRhs));
+                    fetchWithAuth(url, "POST", JSON.stringify(actions));
 
-                    Dashboard.alert("Ignore list updated for " + selectSeason.value + " of " + selectShow.value);
-                    Dashboard.hideLoadingMsg();
-                });
-                saveIgnoreListSeriesButton.addEventListener("click", () => {
-                    Dashboard.showLoadingMsg();
-
-                    var url = "Intros/IgnoreList/UpdateSeries" + "/" + encodeURIComponent(selectShow.value);
-                    const newRhs = {
-                        IgnoreIntro: ignorelistIntro.checked,
-                        IgnoreCredits: ignorelistCredits.checked,
-                    };
-
-                    fetchWithAuth(url, "POST", JSON.stringify(newRhs));
-
-                    Dashboard.alert("Ignore list updated for " + selectShow.value);
+                    Dashboard.alert("Analyzer actions updated for " + selectSeason.value + " of " + selectShow.value);
                     Dashboard.hideLoadingMsg();
                 });
                 btnUpdateTimestamps.addEventListener("click", () => {
diff --git a/IntroSkipper/Controllers/SkipIntroController.cs b/IntroSkipper/Controllers/SkipIntroController.cs
index a3226aa..5911fe6 100644
--- a/IntroSkipper/Controllers/SkipIntroController.cs
+++ b/IntroSkipper/Controllers/SkipIntroController.cs
@@ -9,12 +9,14 @@ using System.Threading;
 using System.Threading.Tasks;
 using IntroSkipper.Configuration;
 using IntroSkipper.Data;
+using IntroSkipper.Db;
 using IntroSkipper.Manager;
 using MediaBrowser.Common.Api;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Entities.TV;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
 
 namespace IntroSkipper.Controllers;
 
@@ -42,9 +44,8 @@ public class SkipIntroController(MediaSegmentUpdateManager mediaSegmentUpdateMan
         [FromRoute] Guid id,
         [FromQuery] AnalysisMode mode = AnalysisMode.Introduction)
     {
-        var intro = GetIntro(id, mode);
-
-        if (intro is null || !intro.Valid)
+        var intros = GetIntros(id);
+        if (!intros.TryGetValue(mode, out var intro))
         {
             return NotFound();
         }
@@ -67,7 +68,7 @@ public class SkipIntroController(MediaSegmentUpdateManager mediaSegmentUpdateMan
     {
         // only update existing episodes
         var rawItem = Plugin.Instance!.GetItem(id);
-        if (rawItem == null || rawItem is not Episode and not Movie)
+        if (rawItem is not Episode and not Movie)
         {
             return NotFound();
         }
@@ -75,18 +76,15 @@ public class SkipIntroController(MediaSegmentUpdateManager mediaSegmentUpdateMan
         if (timestamps?.Introduction.End > 0.0)
         {
             var tr = new TimeRange(timestamps.Introduction.Start, timestamps.Introduction.End);
-            Plugin.Instance!.Intros[id] = new Segment(id, tr);
+            await Plugin.Instance!.UpdateTimestamps(new Dictionary<Guid, Segment> { [id] = new Segment(id, tr) }, AnalysisMode.Introduction).ConfigureAwait(false);
         }
 
         if (timestamps?.Credits.End > 0.0)
         {
-            var cr = new TimeRange(timestamps.Credits.Start, timestamps.Credits.End);
-            Plugin.Instance!.Credits[id] = new Segment(id, cr);
+            var tr = new TimeRange(timestamps.Credits.Start, timestamps.Credits.End);
+            await Plugin.Instance!.UpdateTimestamps(new Dictionary<Guid, Segment> { [id] = new Segment(id, tr) }, AnalysisMode.Credits).ConfigureAwait(false);
         }
 
-        Plugin.Instance!.SaveTimestamps(AnalysisMode.Introduction);
-        Plugin.Instance!.SaveTimestamps(AnalysisMode.Credits);
-
         if (Plugin.Instance.Configuration.UpdateMediaSegments)
         {
             var episode = Plugin.Instance!.QueuedMediaItems[rawItem is Episode e ? e.SeasonId : rawItem.Id]
@@ -114,20 +112,22 @@ public class SkipIntroController(MediaSegmentUpdateManager mediaSegmentUpdateMan
     {
         // only get return content for episodes
         var rawItem = Plugin.Instance!.GetItem(id);
-        if (rawItem == null || rawItem is not Episode and not Movie)
+        if (rawItem is not Episode and not Movie)
         {
             return NotFound();
         }
 
         var times = new TimeStamps();
-        if (Plugin.Instance!.Intros.TryGetValue(id, out var introValue))
+        var segments = Plugin.Instance!.GetSegmentsById(id);
+
+        if (segments.TryGetValue(AnalysisMode.Introduction, out var introSegment))
         {
-            times.Introduction = introValue;
+            times.Introduction = introSegment;
         }
 
-        if (Plugin.Instance!.Credits.TryGetValue(id, out var creditValue))
+        if (segments.TryGetValue(AnalysisMode.Credits, out var creditSegment))
         {
-            times.Credits = creditValue;
+            times.Credits = creditSegment;
         }
 
         return times;
@@ -142,16 +142,16 @@ public class SkipIntroController(MediaSegmentUpdateManager mediaSegmentUpdateMan
     [HttpGet("Episode/{id}/IntroSkipperSegments")]
     public ActionResult<Dictionary<AnalysisMode, Intro>> GetSkippableSegments([FromRoute] Guid id)
     {
-        var segments = new Dictionary<AnalysisMode, Intro>();
+        var segments = GetIntros(id);
 
-        if (GetIntro(id, AnalysisMode.Introduction) is Intro intro)
+        if (segments.TryGetValue(AnalysisMode.Introduction, out var introSegment))
         {
-            segments[AnalysisMode.Introduction] = intro;
+            segments[AnalysisMode.Introduction] = introSegment;
         }
 
-        if (GetIntro(id, AnalysisMode.Credits) is Intro credits)
+        if (segments.TryGetValue(AnalysisMode.Introduction, out var creditSegment))
         {
-            segments[AnalysisMode.Credits] = credits;
+            segments[AnalysisMode.Credits] = creditSegment;
         }
 
         return segments;
@@ -159,41 +159,47 @@ public class SkipIntroController(MediaSegmentUpdateManager mediaSegmentUpdateMan
 
     /// <summary>Lookup and return the skippable timestamps for the provided item.</summary>
     /// <param name="id">Unique identifier of this episode.</param>
-    /// <param name="mode">Mode.</param>
     /// <returns>Intro object if the provided item has an intro, null otherwise.</returns>
-    private static Intro? GetIntro(Guid id, AnalysisMode mode)
+    private static Dictionary<AnalysisMode, Intro> GetIntros(Guid id)
     {
-        try
+        var timestamps = Plugin.Instance!.GetSegmentsById(id);
+        var intros = new Dictionary<AnalysisMode, Intro>();
+
+        foreach (var (mode, timestamp) in timestamps)
         {
-            var timestamp = Plugin.GetIntroByMode(id, mode);
+            if (!timestamp.Valid)
+            {
+                continue;
+            }
 
-            // Operate on a copy to avoid mutating the original Intro object stored in the dictionary.
+            // Create new Intro to avoid mutating the original stored in dictionary
             var segment = new Intro(timestamp);
+            var config = Plugin.Instance.Configuration;
 
-            var config = Plugin.Instance!.Configuration;
+            // Calculate intro end time based on mode
             segment.IntroEnd = mode == AnalysisMode.Credits
                 ? GetAdjustedIntroEnd(id, segment.IntroEnd, config)
                 : segment.IntroEnd - config.RemainingSecondsOfIntro;
 
+            // Set skip button prompt visibility times
+            const double MIN_REMAINING_TIME = 3.0; // Minimum seconds before end to hide prompt
             if (config.PersistSkipButton)
             {
                 segment.ShowSkipPromptAt = segment.IntroStart;
-                segment.HideSkipPromptAt = segment.IntroEnd - 3;
+                segment.HideSkipPromptAt = segment.IntroEnd - MIN_REMAINING_TIME;
             }
             else
             {
                 segment.ShowSkipPromptAt = Math.Max(0, segment.IntroStart - config.ShowPromptAdjustment);
                 segment.HideSkipPromptAt = Math.Min(
                     segment.IntroStart + config.HidePromptAdjustment,
-                    segment.IntroEnd - 3);
+                    segment.IntroEnd - MIN_REMAINING_TIME);
             }
 
-            return segment;
-        }
-        catch (KeyNotFoundException)
-        {
-            return null;
+            intros[mode] = segment;
         }
+
+        return intros;
     }
 
     private static double GetAdjustedIntroEnd(Guid id, double segmentEnd, PluginConfiguration config)
@@ -213,24 +219,22 @@ public class SkipIntroController(MediaSegmentUpdateManager mediaSegmentUpdateMan
     /// <returns>No content.</returns>
     [Authorize(Policy = Policies.RequiresElevation)]
     [HttpPost("Intros/EraseTimestamps")]
-    public ActionResult ResetIntroTimestamps([FromQuery] AnalysisMode mode, [FromQuery] bool eraseCache = false)
+    public async Task<ActionResult> ResetIntroTimestamps([FromQuery] AnalysisMode mode, [FromQuery] bool eraseCache = false)
     {
-        if (mode == AnalysisMode.Introduction)
-        {
-            Plugin.Instance!.Intros.Clear();
-        }
-        else if (mode == AnalysisMode.Credits)
-        {
-            Plugin.Instance!.Credits.Clear();
-        }
+        using var db = new IntroSkipperDbContext(Plugin.Instance!.DbPath);
+        var segments = await db.DbSegment
+            .Where(s => s.Type == mode)
+            .ToListAsync()
+            .ConfigureAwait(false);
+
+        db.DbSegment.RemoveRange(segments);
+        await db.SaveChangesAsync().ConfigureAwait(false);
 
         if (eraseCache)
         {
             FFmpegWrapper.DeleteCacheFiles(mode);
         }
 
-        Plugin.Instance!.EpisodeStates.Clear();
-        Plugin.Instance!.SaveTimestamps(mode);
         return NoContent();
     }
 
diff --git a/IntroSkipper/Controllers/VisualizationController.cs b/IntroSkipper/Controllers/VisualizationController.cs
index 1c27c90..ec9d057 100644
--- a/IntroSkipper/Controllers/VisualizationController.cs
+++ b/IntroSkipper/Controllers/VisualizationController.cs
@@ -9,6 +9,7 @@ using System.Net.Mime;
 using System.Threading;
 using System.Threading.Tasks;
 using IntroSkipper.Data;
+using IntroSkipper.Db;
 using IntroSkipper.Manager;
 using MediaBrowser.Common.Api;
 using Microsoft.AspNetCore.Authorization;
@@ -83,49 +84,19 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
     }
 
     /// <summary>
-    /// Returns the ignore list for the provided season.
+    /// Returns the analyzer actions for the provided season.
     /// </summary>
     /// <param name="seasonId">Season ID.</param>
     /// <returns>List of episode titles.</returns>
-    [HttpGet("IgnoreListSeason/{SeasonId}")]
-    public ActionResult<IgnoreListItem> GetIgnoreListSeason([FromRoute] Guid seasonId)
+    [HttpGet("AnalyzerActions/{SeasonId}")]
+    public ActionResult<IReadOnlyDictionary<AnalysisMode, AnalyzerAction>> GetAnalyzerAction([FromRoute] Guid seasonId)
     {
         if (!Plugin.Instance!.QueuedMediaItems.ContainsKey(seasonId))
         {
             return NotFound();
         }
 
-        if (!Plugin.Instance!.IgnoreList.TryGetValue(seasonId, out _))
-        {
-            return new IgnoreListItem(seasonId);
-        }
-
-        return new IgnoreListItem(Plugin.Instance!.IgnoreList[seasonId]);
-    }
-
-    /// <summary>
-    /// Returns the ignore list for the provided series.
-    /// </summary>
-    /// <param name="seriesId">Show ID.</param>
-    /// <returns>List of episode titles.</returns>
-    [HttpGet("IgnoreListSeries/{SeriesId}")]
-    public ActionResult<IgnoreListItem> GetIgnoreListSeries([FromRoute] Guid seriesId)
-    {
-        var seasonIds = Plugin.Instance!.QueuedMediaItems
-            .Where(kvp => kvp.Value.Any(e => e.SeriesId == seriesId))
-            .Select(kvp => kvp.Key)
-            .ToList();
-
-        if (seasonIds.Count == 0)
-        {
-            return NotFound();
-        }
-
-        return new IgnoreListItem(Guid.Empty)
-        {
-            IgnoreIntro = seasonIds.All(seasonId => Plugin.Instance!.IsIgnored(seasonId, AnalysisMode.Introduction)),
-            IgnoreCredits = seasonIds.All(seasonId => Plugin.Instance!.IsIgnored(seasonId, AnalysisMode.Credits))
-        };
+        return Ok(Plugin.Instance!.GetAnalyzerAction(seasonId));
     }
 
     /// <summary>
@@ -199,13 +170,22 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
 
         try
         {
+            using var db = new IntroSkipperDbContext(Plugin.Instance!.DbPath);
+
             foreach (var episode in episodes)
             {
                 cancellationToken.ThrowIfCancellationRequested();
+                var segments = Plugin.Instance!.GetSegmentsById(episode.EpisodeId);
 
-                Plugin.Instance.Intros.TryRemove(episode.EpisodeId, out _);
-                Plugin.Instance.Credits.TryRemove(episode.EpisodeId, out _);
-                episode.State.ResetStates();
+                if (segments.TryGetValue(AnalysisMode.Introduction, out var introSegment))
+                {
+                    db.DbSegment.Remove(new DbSegment(introSegment, AnalysisMode.Introduction));
+                }
+
+                if (segments.TryGetValue(AnalysisMode.Introduction, out var creditSegment))
+                {
+                    db.DbSegment.Remove(new DbSegment(creditSegment, AnalysisMode.Credits));
+                }
 
                 if (eraseCache)
                 {
@@ -213,7 +193,7 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
                 }
             }
 
-            Plugin.Instance.SaveTimestamps(AnalysisMode.Introduction | AnalysisMode.Credits);
+            await db.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
 
             if (Plugin.Instance.Configuration.UpdateMediaSegments)
             {
@@ -229,82 +209,14 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
     }
 
     /// <summary>
-    /// Updates the ignore list for the provided season.
+    /// Updates the analyzer actions for the provided season.
     /// </summary>
-    /// <param name="ignoreListItem">New ignore list items.</param>
-    /// <param name="save">Save the ignore list.</param>
+    /// <param name="request">Update analyzer actions request.</param>
     /// <returns>No content.</returns>
-    [HttpPost("IgnoreList/UpdateSeason")]
-    public ActionResult UpdateIgnoreListSeason([FromBody] IgnoreListItem ignoreListItem, bool save = true)
+    [HttpPost("AnalyzerActions/UpdateSeason")]
+    public async Task<ActionResult> UpdateAnalyzerActions([FromBody] UpdateAnalyzerActionsRequest request)
     {
-        if (!Plugin.Instance!.QueuedMediaItems.ContainsKey(ignoreListItem.SeasonId))
-        {
-            return NotFound();
-        }
-
-        if (ignoreListItem.IgnoreIntro || ignoreListItem.IgnoreCredits)
-        {
-            Plugin.Instance!.IgnoreList.AddOrUpdate(ignoreListItem.SeasonId, ignoreListItem, (_, _) => ignoreListItem);
-        }
-        else
-        {
-            Plugin.Instance!.IgnoreList.TryRemove(ignoreListItem.SeasonId, out _);
-        }
-
-        if (save)
-        {
-            Plugin.Instance!.SaveIgnoreList();
-        }
-
-        return NoContent();
-    }
-
-    /// <summary>
-    /// Updates the ignore list for the provided series.
-    /// </summary>
-    /// <param name="seriesId">Series ID.</param>
-    /// <param name="ignoreListItem">New ignore list items.</param>
-    /// <returns>No content.</returns>
-    [HttpPost("IgnoreList/UpdateSeries/{SeriesId}")]
-    public ActionResult UpdateIgnoreListSeries([FromRoute] Guid seriesId, [FromBody] IgnoreListItem ignoreListItem)
-    {
-        var seasonIds = Plugin.Instance!.QueuedMediaItems
-            .Where(kvp => kvp.Value.Any(e => e.SeriesId == seriesId))
-            .Select(kvp => kvp.Key)
-            .ToList();
-
-        if (seasonIds.Count == 0)
-        {
-            return NotFound();
-        }
-
-        foreach (var seasonId in seasonIds)
-        {
-            UpdateIgnoreListSeason(new IgnoreListItem(ignoreListItem) { SeasonId = seasonId }, false);
-        }
-
-        Plugin.Instance!.SaveIgnoreList();
-
-        return NoContent();
-    }
-
-    /// <summary>
-    /// Updates the introduction timestamps for the provided episode.
-    /// </summary>
-    /// <param name="id">Episode ID to update timestamps for.</param>
-    /// <param name="timestamps">New introduction start and end times.</param>
-    /// <response code="204">New introduction timestamps saved.</response>
-    /// <returns>No content.</returns>
-    [HttpPost("Episode/{Id}/UpdateIntroTimestamps")]
-    [Obsolete("deprecated use Episode/{Id}/Timestamps")]
-    public ActionResult UpdateIntroTimestamps([FromRoute] Guid id, [FromBody] Intro timestamps)
-    {
-        if (timestamps.IntroEnd > 0.0)
-        {
-            var tr = new TimeRange(timestamps.IntroStart, timestamps.IntroEnd);
-            Plugin.Instance!.Intros[id] = new Segment(id, tr);
-            Plugin.Instance.SaveTimestamps(AnalysisMode.Introduction);
-        }
+        await Plugin.Instance!.UpdateAnalyzerActionAsync(request.Id, request.AnalyzerActions).ConfigureAwait(false);
 
         return NoContent();
     }
diff --git a/IntroSkipper/Data/AnalyzerAction.cs b/IntroSkipper/Data/AnalyzerAction.cs
new file mode 100644
index 0000000..d5a00a3
--- /dev/null
+++ b/IntroSkipper/Data/AnalyzerAction.cs
@@ -0,0 +1,35 @@
+// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+// SPDX-License-Identifier: GPL-3.0-only.
+
+namespace IntroSkipper.Data;
+
+/// <summary>
+/// Type of media file analysis to perform.
+/// </summary>
+public enum AnalyzerAction
+{
+    /// <summary>
+    /// Default action.
+    /// </summary>
+    Default,
+
+    /// <summary>
+    /// Detect chapters.
+    /// </summary>
+    Chapter,
+
+    /// <summary>
+    /// Detect chromaprint fingerprints.
+    /// </summary>
+    Chromaprint,
+
+    /// <summary>
+    /// Detect black frames.
+    /// </summary>
+    BlackFrame,
+
+    /// <summary>
+    /// No action.
+    /// </summary>
+    None,
+}
diff --git a/IntroSkipper/Data/EpisodeState.cs b/IntroSkipper/Data/EpisodeState.cs
deleted file mode 100644
index bd6ef2d..0000000
--- a/IntroSkipper/Data/EpisodeState.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
-using System;
-
-namespace IntroSkipper.Data;
-
-/// <summary>
-/// Represents the state of an episode regarding analysis and blacklist status.
-/// </summary>
-public class EpisodeState
-{
-    private readonly bool[] _analyzedStates = new bool[2];
-
-    private readonly bool[] _blacklistedStates = new bool[2];
-
-    /// <summary>
-    /// Checks if the specified analysis mode has been analyzed.
-    /// </summary>
-    /// <param name="mode">The analysis mode to check.</param>
-    /// <returns>True if the mode has been analyzed, false otherwise.</returns>
-    public bool IsAnalyzed(AnalysisMode mode) => _analyzedStates[(int)mode];
-
-    /// <summary>
-    /// Sets the analyzed state for the specified analysis mode.
-    /// </summary>
-    /// <param name="mode">The analysis mode to set.</param>
-    /// <param name="value">The analyzed state to set.</param>
-    public void SetAnalyzed(AnalysisMode mode, bool value) => _analyzedStates[(int)mode] = value;
-
-    /// <summary>
-    /// Checks if the specified analysis mode has been blacklisted.
-    /// </summary>
-    /// <param name="mode">The analysis mode to check.</param>
-    /// <returns>True if the mode has been blacklisted, false otherwise.</returns>
-    public bool IsBlacklisted(AnalysisMode mode) => _blacklistedStates[(int)mode];
-
-    /// <summary>
-    /// Sets the blacklisted state for the specified analysis mode.
-    /// </summary>
-    /// <param name="mode">The analysis mode to set.</param>
-    /// <param name="value">The blacklisted state to set.</param>
-    public void SetBlacklisted(AnalysisMode mode, bool value) => _blacklistedStates[(int)mode] = value;
-
-    /// <summary>
-    /// Resets the analyzed states.
-    /// </summary>
-    public void ResetStates()
-    {
-        Array.Clear(_analyzedStates);
-        Array.Clear(_blacklistedStates);
-    }
-}
diff --git a/IntroSkipper/Data/IgnoreListItem.cs b/IntroSkipper/Data/IgnoreListItem.cs
deleted file mode 100644
index 212b50e..0000000
--- a/IntroSkipper/Data/IgnoreListItem.cs
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
-using System;
-using System.Runtime.Serialization;
-
-namespace IntroSkipper.Data;
-
-/// <summary>
-/// Represents an item to ignore.
-/// </summary>
-[DataContract(Namespace = "http://schemas.datacontract.org/2004/07/ConfusedPolarBear.Plugin.IntroSkipper")]
-public class IgnoreListItem
-{
-    /// <summary>
-    /// Initializes a new instance of the <see cref="IgnoreListItem"/> class.
-    /// </summary>
-    public IgnoreListItem()
-    {
-    }
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="IgnoreListItem"/> class.
-    /// </summary>
-    /// <param name="seasonId">The season id.</param>
-    public IgnoreListItem(Guid seasonId)
-    {
-        SeasonId = seasonId;
-    }
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="IgnoreListItem"/> class.
-    /// </summary>
-    /// <param name="item">The item to copy.</param>
-    public IgnoreListItem(IgnoreListItem item)
-    {
-        SeasonId = item.SeasonId;
-        IgnoreIntro = item.IgnoreIntro;
-        IgnoreCredits = item.IgnoreCredits;
-    }
-
-    /// <summary>
-    /// Gets or sets the season id.
-    /// </summary>
-    [DataMember]
-    public Guid SeasonId { get; set; } = Guid.Empty;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether to ignore the intro.
-    /// </summary>
-    [DataMember]
-    public bool IgnoreIntro { get; set; } = false;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether to ignore the credits.
-    /// </summary>
-    [DataMember]
-    public bool IgnoreCredits { get; set; } = false;
-
-    /// <summary>
-    /// Toggles the provided mode to the provided value.
-    /// </summary>
-    /// <param name="mode">Analysis mode.</param>
-    /// <param name="value">Value to set.</param>
-    public void Toggle(AnalysisMode mode, bool value)
-    {
-        switch (mode)
-        {
-            case AnalysisMode.Introduction:
-                IgnoreIntro = value;
-                break;
-            case AnalysisMode.Credits:
-                IgnoreCredits = value;
-                break;
-        }
-    }
-
-    /// <summary>
-    /// Checks if the provided mode is ignored.
-    /// </summary>
-    /// <param name="mode">Analysis mode.</param>
-    /// <returns>True if ignored, false otherwise.</returns>
-    public bool IsIgnored(AnalysisMode mode)
-    {
-        return mode switch
-        {
-            AnalysisMode.Introduction => IgnoreIntro,
-            AnalysisMode.Credits => IgnoreCredits,
-            _ => false,
-        };
-    }
-}
diff --git a/IntroSkipper/Data/QueuedEpisode.cs b/IntroSkipper/Data/QueuedEpisode.cs
index b4a5803..85a3ce1 100644
--- a/IntroSkipper/Data/QueuedEpisode.cs
+++ b/IntroSkipper/Data/QueuedEpisode.cs
@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-3.0-only.
 
 using System;
+using System.Collections.Generic;
 
 namespace IntroSkipper.Data;
 
@@ -10,6 +11,8 @@ namespace IntroSkipper.Data;
 /// </summary>
 public class QueuedEpisode
 {
+    private readonly Dictionary<AnalysisMode, bool> _isAnalyzed = [];
+
     /// <summary>
     /// Gets or sets the series name.
     /// </summary>
@@ -31,9 +34,9 @@ public class QueuedEpisode
     public Guid SeriesId { get; set; }
 
     /// <summary>
-    /// Gets the state of the episode.
+    /// Gets a value indicating whether this media has been already analyzed.
     /// </summary>
-    public EpisodeState State => Plugin.Instance!.GetState(EpisodeId);
+    public IReadOnlyDictionary<AnalysisMode, bool> IsAnalyzed => _isAnalyzed;
 
     /// <summary>
     /// Gets or sets the full path to episode.
@@ -69,4 +72,24 @@ public class QueuedEpisode
     /// Gets or sets the total duration of this media file (in seconds).
     /// </summary>
     public int Duration { get; set; }
+
+    /// <summary>
+    /// Sets a value indicating whether this media has been already analyzed.
+    /// </summary>
+    /// <param name="mode">Analysis mode.</param>
+    /// <param name="value">Value to set.</param>
+    public void SetAnalyzed(AnalysisMode mode, bool value)
+    {
+        _isAnalyzed[mode] = value;
+    }
+
+    /// <summary>
+    /// Sets a value indicating whether this media has been already analyzed.
+    /// </summary>
+    /// <param name="mode">Analysis mode.</param>
+    /// <returns>Value of the analyzed mode.</returns>
+    public bool GetAnalyzed(AnalysisMode mode)
+    {
+        return _isAnalyzed.TryGetValue(mode, out var value) && value;
+    }
 }
diff --git a/IntroSkipper/Data/Segment.cs b/IntroSkipper/Data/Segment.cs
index 881cbc0..c170045 100644
--- a/IntroSkipper/Data/Segment.cs
+++ b/IntroSkipper/Data/Segment.cs
@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: GPL-3.0-only.
 
 using System;
-using System.Globalization;
 using System.Runtime.Serialization;
 using System.Text.Json.Serialization;
 
diff --git a/IntroSkipper/Data/UpdateAnalyzerActionsRequest.cs b/IntroSkipper/Data/UpdateAnalyzerActionsRequest.cs
new file mode 100644
index 0000000..e417374
--- /dev/null
+++ b/IntroSkipper/Data/UpdateAnalyzerActionsRequest.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+
+namespace IntroSkipper.Data
+{
+    /// <summary>
+    /// /// Update analyzer actions request.
+    /// </summary>
+    public class UpdateAnalyzerActionsRequest
+    {
+        /// <summary>
+        /// Gets or sets season ID.
+        /// </summary>
+        public Guid Id { get; set; }
+
+        /// <summary>
+        /// Gets or sets analyzer actions.
+        /// </summary>
+        public IReadOnlyDictionary<AnalysisMode, AnalyzerAction> AnalyzerActions { get; set; } = new Dictionary<AnalysisMode, AnalyzerAction>();
+    }
+}
diff --git a/IntroSkipper/Db/DbSeasonInfo.cs b/IntroSkipper/Db/DbSeasonInfo.cs
new file mode 100644
index 0000000..fc880b9
--- /dev/null
+++ b/IntroSkipper/Db/DbSeasonInfo.cs
@@ -0,0 +1,51 @@
+// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+// SPDX-License-Identifier: GPL-3.0-only.
+
+using System;
+using IntroSkipper.Data;
+
+namespace IntroSkipper.Db;
+
+/// <summary>
+/// All times are measured in seconds relative to the beginning of the media file.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="DbSeasonInfo"/> class.
+/// </remarks>
+public class DbSeasonInfo
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DbSeasonInfo"/> class.
+    /// </summary>
+    /// <param name="seasonId">Season ID.</param>
+    /// <param name="mode">Analysis mode.</param>
+    /// <param name="action">Analyzer action.</param>
+    public DbSeasonInfo(Guid seasonId, AnalysisMode mode, AnalyzerAction action)
+    {
+        SeasonId = seasonId;
+        Type = mode;
+        Action = action;
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DbSeasonInfo"/> class.
+    /// </summary>
+    public DbSeasonInfo()
+    {
+    }
+
+    /// <summary>
+    /// Gets the item ID.
+    /// </summary>
+    public Guid SeasonId { get; private set; }
+
+    /// <summary>
+    /// Gets the analysis mode.
+    /// </summary>
+    public AnalysisMode Type { get; private set; }
+
+    /// <summary>
+    /// Gets the analyzer action.
+    /// </summary>
+    public AnalyzerAction Action { get; private set; }
+}
diff --git a/IntroSkipper/Db/DbSegment.cs b/IntroSkipper/Db/DbSegment.cs
new file mode 100644
index 0000000..583a311
--- /dev/null
+++ b/IntroSkipper/Db/DbSegment.cs
@@ -0,0 +1,56 @@
+// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+// SPDX-License-Identifier: GPL-3.0-only.
+
+using System;
+using IntroSkipper.Data;
+
+namespace IntroSkipper.Db;
+
+/// <summary>
+/// All times are measured in seconds relative to the beginning of the media file.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="DbSegment"/> class.
+/// </remarks>
+public class DbSegment
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DbSegment"/> class.
+    /// </summary>
+    /// <param name="segment">Segment.</param>
+    /// <param name="mode">Analysis mode.</param>
+    public DbSegment(Segment segment, AnalysisMode mode)
+    {
+        ItemId = segment.EpisodeId;
+        Start = segment.Start;
+        End = segment.End;
+        Type = mode;
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DbSegment"/> class.
+    /// </summary>
+    public DbSegment()
+    {
+    }
+
+    /// <summary>
+    /// Gets the item ID.
+    /// </summary>
+    public Guid ItemId { get; private set; }
+
+    /// <summary>
+    /// Gets the start time.
+    /// </summary>
+    public double Start { get; private set; }
+
+    /// <summary>
+    /// Gets the end time.
+    /// </summary>
+    public double End { get; private set; }
+
+    /// <summary>
+    /// Gets the analysis mode.
+    /// </summary>
+    public AnalysisMode Type { get; private set; }
+}
diff --git a/IntroSkipper/Db/IntroSkipperDbContext.cs b/IntroSkipper/Db/IntroSkipperDbContext.cs
new file mode 100644
index 0000000..cf51c4d
--- /dev/null
+++ b/IntroSkipper/Db/IntroSkipperDbContext.cs
@@ -0,0 +1,80 @@
+// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+// SPDX-License-Identifier: GPL-3.0-only.
+
+using System;
+using Microsoft.EntityFrameworkCore;
+
+namespace IntroSkipper.Db;
+
+/// <summary>
+/// Plugin database.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="IntroSkipperDbContext"/> class.
+/// </remarks>
+/// <param name="dbPath">The path to the SQLite database file.</param>
+public class IntroSkipperDbContext(string dbPath) : DbContext
+{
+    private readonly string _dbPath = dbPath ?? throw new ArgumentNullException(nameof(dbPath));
+
+    /// <summary>
+    /// Gets or sets the <see cref="DbSet{TEntity}"/> containing the segments.
+    /// </summary>
+    public DbSet<DbSegment> DbSegment { get; set; } = null!;
+
+    /// <summary>
+    /// Gets or sets the <see cref="DbSet{TEntity}"/> containing the season information.
+    /// </summary>
+    public DbSet<DbSeasonInfo> DbSeasonInfo { get; set; } = null!;
+
+    /// <inheritdoc/>
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+    {
+        optionsBuilder.UseSqlite($"Data Source={_dbPath}")
+                     .EnableSensitiveDataLogging(false);
+    }
+
+    /// <inheritdoc/>
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<DbSegment>(entity =>
+        {
+            entity.ToTable("DbSegment");
+            entity.HasKey(s => new { s.ItemId, s.Type });
+
+            entity.Property(e => e.ItemId)
+                  .IsRequired();
+
+            entity.Property(e => e.Type)
+                  .IsRequired();
+
+            entity.Property(e => e.Start);
+
+            entity.Property(e => e.End);
+        });
+
+        modelBuilder.Entity<DbSeasonInfo>(entity =>
+        {
+            entity.ToTable("DbSeasonInfo");
+            entity.HasKey(s => new { s.SeasonId, s.Type });
+
+            entity.Property(e => e.SeasonId)
+                  .IsRequired();
+
+            entity.Property(e => e.Type)
+                  .IsRequired();
+
+            entity.Property(e => e.Action);
+        });
+
+        base.OnModelCreating(modelBuilder);
+    }
+
+    /// <summary>
+    /// Applies any pending migrations to the database.
+    /// </summary>
+    public void ApplyMigrations()
+    {
+        Database.Migrate();
+    }
+}
diff --git a/IntroSkipper/IntroSkipper.csproj b/IntroSkipper/IntroSkipper.csproj
index a2843ed..8c7f5d9 100644
--- a/IntroSkipper/IntroSkipper.csproj
+++ b/IntroSkipper/IntroSkipper.csproj
@@ -13,6 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Jellyfin.Controller" Version="10.10.*-*" />
     <PackageReference Include="Jellyfin.Model" Version="10.10.*-*" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.*-*" />
     <PackageReference Include="SerilogAnalyzer" Version="0.15.0" PrivateAssets="All" />
     <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" PrivateAssets="All" />
     <PackageReference Include="StyleCop.Analyzers.Unstable" Version="1.2.0.556" PrivateAssets="All" />
diff --git a/IntroSkipper/Manager/QueueManager.cs b/IntroSkipper/Manager/QueueManager.cs
index 21e5e45..a4c6e9b 100644
--- a/IntroSkipper/Manager/QueueManager.cs
+++ b/IntroSkipper/Manager/QueueManager.cs
@@ -292,39 +292,31 @@ namespace IntroSkipper.Manager
             VerifyQueue(IReadOnlyList<QueuedEpisode> candidates, IReadOnlyCollection<AnalysisMode> modes)
         {
             var verified = new List<QueuedEpisode>();
-            var reqModes = new HashSet<AnalysisMode>();
+            var reqModes = new HashSet<AnalysisMode>(modes);  // Start with all modes and remove completed ones
 
             foreach (var candidate in candidates)
             {
                 try
                 {
                     var path = Plugin.Instance!.GetItemPath(candidate.EpisodeId);
-
                     if (!File.Exists(path))
                     {
                         continue;
                     }
 
                     verified.Add(candidate);
+                    var segments = Plugin.Instance!.GetSegmentsById(candidate.EpisodeId);
 
                     foreach (var mode in modes)
                     {
-                        if (candidate.State.IsAnalyzed(mode) || candidate.State.IsBlacklisted(mode))
+                        if (segments.TryGetValue(mode, out var segment))
                         {
-                            continue;
-                        }
+                            if (segment.Valid)
+                            {
+                                candidate.SetAnalyzed(mode, true);
+                            }
 
-                        bool isAnalyzed = mode == AnalysisMode.Introduction
-                            ? Plugin.Instance!.Intros.ContainsKey(candidate.EpisodeId)
-                            : Plugin.Instance!.Credits.ContainsKey(candidate.EpisodeId);
-
-                        if (isAnalyzed)
-                        {
-                            candidate.State.SetAnalyzed(mode, true);
-                        }
-                        else
-                        {
-                            reqModes.Add(mode);
+                            reqModes.Remove(mode);
                         }
                     }
                 }
diff --git a/IntroSkipper/Plugin.cs b/IntroSkipper/Plugin.cs
index 8d7cf38..be31be5 100644
--- a/IntroSkipper/Plugin.cs
+++ b/IntroSkipper/Plugin.cs
@@ -7,10 +7,12 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
+using System.Threading.Tasks;
 using System.Xml;
 using System.Xml.Serialization;
 using IntroSkipper.Configuration;
 using IntroSkipper.Data;
+using IntroSkipper.Db;
 using IntroSkipper.Helper;
 using MediaBrowser.Common;
 using MediaBrowser.Common.Configuration;
@@ -23,6 +25,7 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Plugins;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Updates;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 
 namespace IntroSkipper;
@@ -32,15 +35,13 @@ namespace IntroSkipper;
 /// </summary>
 public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
 {
-    private readonly object _serializationLock = new();
-    private readonly object _introsLock = new();
     private readonly ILibraryManager _libraryManager;
     private readonly IItemRepository _itemRepository;
     private readonly IApplicationHost _applicationHost;
     private readonly ILogger<Plugin> _logger;
     private readonly string _introPath;
     private readonly string _creditsPath;
-    private string _ignorelistPath;
+    private readonly string _dbPath;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="Plugin"/> class.
@@ -80,7 +81,7 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
         FingerprintCachePath = Path.Join(introsDirectory, pluginCachePath);
         _introPath = Path.Join(applicationPaths.DataPath, pluginDirName, "intros.xml");
         _creditsPath = Path.Join(applicationPaths.DataPath, pluginDirName, "credits.xml");
-        _ignorelistPath = Path.Join(applicationPaths.DataPath, pluginDirName, "ignorelist.xml");
+        _dbPath = Path.Join(applicationPaths.DataPath, pluginDirName, "introskipper.db");
 
         // Create the base & cache directories (if needed).
         if (!Directory.Exists(FingerprintCachePath))
@@ -99,22 +100,18 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
             try
             {
                 XmlSerializer serializer = new XmlSerializer(typeof(PluginConfiguration));
-                using (FileStream fileStream = new FileStream(oldConfigFile, FileMode.Open))
+                using FileStream fileStream = new FileStream(oldConfigFile, FileMode.Open);
+                var settings = new XmlReaderSettings
                 {
-                    var settings = new XmlReaderSettings
-                    {
-                        DtdProcessing = DtdProcessing.Prohibit, // Disable DTD processing
-                        XmlResolver = null // Disable the XmlResolver
-                    };
+                    DtdProcessing = DtdProcessing.Prohibit, // Disable DTD processing
+                    XmlResolver = null // Disable the XmlResolver
+                };
 
-                    using (var reader = XmlReader.Create(fileStream, settings))
-                    {
-                        if (serializer.Deserialize(reader) is PluginConfiguration oldConfig)
-                        {
-                            Instance.UpdateConfiguration(oldConfig);
-                            File.Delete(oldConfigFile);
-                        }
-                    }
+                using var reader = XmlReader.Create(fileStream, settings);
+                if (serializer.Deserialize(reader) is PluginConfiguration oldConfig)
+                {
+                    Instance.UpdateConfiguration(oldConfig);
+                    File.Delete(oldConfigFile);
                 }
             }
             catch (Exception ex)
@@ -126,23 +123,20 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
 
         MigrateRepoUrl(serverConfiguration);
 
-        // TODO: remove when https://github.com/jellyfin/jellyfin-meta/discussions/30 is complete
+        // Initialize database, restore timestamps if available.
         try
         {
-            RestoreTimestamps();
+            using var db = new IntroSkipperDbContext(_dbPath);
+            db.Database.EnsureCreated();
+            db.ApplyMigrations();
+            if (File.Exists(_introPath) || File.Exists(_creditsPath))
+            {
+                RestoreTimestampsAsync(db).GetAwaiter().GetResult();
+            }
         }
         catch (Exception ex)
         {
-            _logger.LogWarning("Unable to load introduction timestamps: {Exception}", ex);
-        }
-
-        try
-        {
-            LoadIgnoreList();
-        }
-        catch (Exception ex)
-        {
-            _logger.LogWarning("Unable to load ignore list: {Exception}", ex);
+            _logger.LogWarning("Error initializing database: {Exception}", ex);
         }
 
         // Inject the skip intro button code into the web interface.
@@ -161,30 +155,15 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
     }
 
     /// <summary>
-    /// Gets the results of fingerprinting all episodes.
+    /// Gets the path to the database.
     /// </summary>
-    public ConcurrentDictionary<Guid, Segment> Intros { get; } = new();
-
-    /// <summary>
-    /// Gets all discovered ending credits.
-    /// </summary>
-    public ConcurrentDictionary<Guid, Segment> Credits { get; } = new();
+    public string DbPath => _dbPath;
 
     /// <summary>
     /// Gets the most recent media item queue.
     /// </summary>
     public ConcurrentDictionary<Guid, List<QueuedEpisode>> QueuedMediaItems { get; } = new();
 
-    /// <summary>
-    /// Gets all episode states.
-    /// </summary>
-    public ConcurrentDictionary<Guid, EpisodeState> EpisodeStates { get; } = new();
-
-    /// <summary>
-    /// Gets the ignore list.
-    /// </summary>
-    public ConcurrentDictionary<Guid, IgnoreListItem> IgnoreList { get; } = new();
-
     /// <summary>
     /// Gets or sets the total number of episodes in the queue.
     /// </summary>
@@ -216,109 +195,39 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
     /// </summary>
     public static Plugin? Instance { get; private set; }
 
-    /// <summary>
-    /// Save timestamps to disk.
-    /// </summary>
-    /// <param name="mode">Mode.</param>
-    public void SaveTimestamps(AnalysisMode mode)
-    {
-        List<Segment> introList = [];
-        var filePath = mode == AnalysisMode.Introduction
-                        ? _introPath
-                        : _creditsPath;
-
-        lock (_introsLock)
-        {
-            introList.AddRange(mode == AnalysisMode.Introduction
-                            ? Instance!.Intros.Values
-                            : Instance!.Credits.Values);
-        }
-
-        lock (_serializationLock)
-        {
-            try
-            {
-                XmlSerializationHelper.SerializeToXml(introList, filePath);
-            }
-            catch (Exception e)
-            {
-                _logger.LogError("SaveTimestamps {Message}", e.Message);
-            }
-        }
-    }
-
-    /// <summary>
-    /// Save IgnoreList to disk.
-    /// </summary>
-    public void SaveIgnoreList()
-    {
-        var ignorelist = Instance!.IgnoreList.Values.ToList();
-
-        lock (_serializationLock)
-        {
-            try
-            {
-                XmlSerializationHelper.SerializeToXml(ignorelist, _ignorelistPath);
-            }
-            catch (Exception e)
-            {
-                _logger.LogError("SaveIgnoreList {Message}", e.Message);
-            }
-        }
-    }
-
-    /// <summary>
-    /// Check if an item is ignored.
-    /// </summary>
-    /// <param name="id">Item id.</param>
-    /// <param name="mode">Mode.</param>
-    /// <returns>True if ignored, false otherwise.</returns>
-    public bool IsIgnored(Guid id, AnalysisMode mode)
-    {
-        return Instance!.IgnoreList.TryGetValue(id, out var item) && item.IsIgnored(mode);
-    }
-
-    /// <summary>
-    /// Load IgnoreList from disk.
-    /// </summary>
-    public void LoadIgnoreList()
-    {
-        if (File.Exists(_ignorelistPath))
-        {
-            var ignorelist = XmlSerializationHelper.DeserializeFromXml<IgnoreListItem>(_ignorelistPath);
-
-            foreach (var item in ignorelist)
-            {
-                Instance!.IgnoreList.TryAdd(item.SeasonId, item);
-            }
-        }
-    }
-
     /// <summary>
     /// Restore previous analysis results from disk.
     /// </summary>
-    public void RestoreTimestamps()
+    /// <param name="db">IntroSkipperDbContext.</param>
+    /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+    public async Task RestoreTimestampsAsync(IntroSkipperDbContext db)
     {
+        // Import intros
         if (File.Exists(_introPath))
         {
-            // Since dictionaries can't be easily serialized, analysis results are stored on disk as a list.
             var introList = XmlSerializationHelper.DeserializeFromXml<Segment>(_introPath);
-
             foreach (var intro in introList)
             {
-                Instance!.Intros.TryAdd(intro.EpisodeId, intro);
+                var dbSegment = new DbSegment(intro, AnalysisMode.Introduction);
+                db.DbSegment.Add(dbSegment);
             }
         }
 
+        // Import credits
         if (File.Exists(_creditsPath))
         {
             var creditList = XmlSerializationHelper.DeserializeFromXml<Segment>(_creditsPath);
-
             foreach (var credit in creditList)
             {
-                Instance!.Credits.TryAdd(credit.EpisodeId, credit);
+                var dbSegment = new DbSegment(credit, AnalysisMode.Credits);
+                db.DbSegment.Add(dbSegment);
             }
         }
+
+        await db.SaveChangesAsync().ConfigureAwait(false);
+
+        File.Delete(_introPath);
+        File.Delete(_creditsPath);
     }
 
     /// <inheritdoc />
@@ -344,19 +253,6 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
         ];
     }
 
-    /// <summary>
-    /// Gets the Intro for this item.
-    /// </summary>
-    /// <param name="id">Item id.</param>
-    /// <param name="mode">Mode.</param>
-    /// <returns>Intro.</returns>
-    internal static Segment GetIntroByMode(Guid id, AnalysisMode mode)
-    {
-        return mode == AnalysisMode.Introduction
-            ? Instance!.Intros[id]
-            : Instance!.Credits[id];
-    }
-
     internal BaseItem? GetItem(Guid id)
     {
         return id != Guid.Empty ? _libraryManager.GetItemById(id) : null;
@@ -404,46 +300,126 @@ public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
         return _itemRepository.GetChapters(item);
     }
 
-    /// <summary>
-    /// Gets the state for this item.
-    /// </summary>
-    /// <param name="id">Item ID.</param>
-    /// <returns>State of this item.</returns>
-    internal EpisodeState GetState(Guid id) => EpisodeStates.GetOrAdd(id, _ => new EpisodeState());
-
-    internal void UpdateTimestamps(IReadOnlyDictionary<Guid, Segment> newTimestamps, AnalysisMode mode)
+    internal async Task UpdateTimestamps(IReadOnlyDictionary<Guid, Segment> newTimestamps, AnalysisMode mode)
     {
-        foreach (var intro in newTimestamps)
+        using var db = new IntroSkipperDbContext(_dbPath);
+
+        // Get all existing segments in a single query
+        var existingSegments = db.DbSegment
+            .Where(s => newTimestamps.Keys.Contains(s.ItemId) && s.Type == mode)
+            .ToDictionary(s => s.ItemId);
+
+        // Batch updates and inserts
+        var segmentsToAdd = new List<DbSegment>();
+
+        foreach (var (itemId, segment) in newTimestamps)
         {
-            if (mode == AnalysisMode.Introduction)
+            var dbSegment = new DbSegment(segment, mode);
+            if (existingSegments.TryGetValue(itemId, out var existing))
             {
-                Instance!.Intros.AddOrUpdate(intro.Key, intro.Value, (key, oldValue) => intro.Value);
+                db.Entry(existing).CurrentValues.SetValues(dbSegment);
             }
-            else if (mode == AnalysisMode.Credits)
+            else
             {
-                Instance!.Credits.AddOrUpdate(intro.Key, intro.Value, (key, oldValue) => intro.Value);
+                segmentsToAdd.Add(dbSegment);
             }
         }
 
-        SaveTimestamps(mode);
+        if (segmentsToAdd.Count > 0)
+        {
+            await db.DbSegment.AddRangeAsync(segmentsToAdd).ConfigureAwait(false);
+        }
+
+        await db.SaveChangesAsync().ConfigureAwait(false);
     }
 
-    internal void CleanTimestamps(HashSet<Guid> validEpisodeIds)
+    internal async Task ClearInvalidSegments()
     {
-        var allKeys = new HashSet<Guid>(Instance!.Intros.Keys);
-        allKeys.UnionWith(Instance!.Credits.Keys);
+        using var db = new IntroSkipperDbContext(_dbPath);
+        db.DbSegment.RemoveRange(db.DbSegment.Where(s => s.End == 0));
+        await db.SaveChangesAsync().ConfigureAwait(false);
+    }
 
-        foreach (var key in allKeys)
+    internal async Task CleanTimestamps(HashSet<Guid> episodeIds)
+    {
+        using var db = new IntroSkipperDbContext(_dbPath);
+        db.DbSegment.RemoveRange(db.DbSegment
+            .Where(s => !episodeIds.Contains(s.ItemId)));
+        await db.SaveChangesAsync().ConfigureAwait(false);
+    }
+
+    internal IReadOnlyDictionary<AnalysisMode, Segment> GetSegmentsById(Guid id)
+    {
+        using var db = new IntroSkipperDbContext(_dbPath);
+        return db.DbSegment
+                .Where(s => s.ItemId == id)
+                .ToDictionary(
+                    s => s.Type,
+                    s => new Segment
+                    {
+                        EpisodeId = s.ItemId,
+                        Start = s.Start,
+                        End = s.End
+                    });
+    }
+
+    internal Segment GetSegmentByMode(Guid id, AnalysisMode mode)
+    {
+        using var db = new IntroSkipperDbContext(_dbPath);
+        return db.DbSegment
+                .Where(s => s.ItemId == id && s.Type == mode)
+                .Select(s => new Segment
+                {
+                    EpisodeId = s.ItemId,
+                    Start = s.Start,
+                    End = s.End
+                }).FirstOrDefault() ?? new Segment(id);
+    }
+
+    internal async Task UpdateAnalyzerActionAsync(Guid id, IReadOnlyDictionary<AnalysisMode, AnalyzerAction> analyzerActions)
+    {
+        using var db = new IntroSkipperDbContext(_dbPath);
+        var existingEntries = await db.DbSeasonInfo
+            .Where(s => s.SeasonId == id)
+            .ToDictionaryAsync(s => s.Type)
+            .ConfigureAwait(false);
+
+        foreach (var (mode, action) in analyzerActions)
         {
-            if (!validEpisodeIds.Contains(key))
+            var dbSeasonInfo = new DbSeasonInfo(id, mode, action);
+            if (existingEntries.TryGetValue(mode, out var existing))
             {
-                Instance!.Intros.TryRemove(key, out _);
-                Instance!.Credits.TryRemove(key, out _);
+                db.Entry(existing).CurrentValues.SetValues(dbSeasonInfo);
+            }
+            else
+            {
+                db.DbSeasonInfo.Add(dbSeasonInfo);
             }
         }
 
-        SaveTimestamps(AnalysisMode.Introduction);
-        SaveTimestamps(AnalysisMode.Credits);
+        await db.SaveChangesAsync().ConfigureAwait(false);
+    }
+
+    internal IReadOnlyDictionary<AnalysisMode, AnalyzerAction> GetAnalyzerAction(Guid id)
+    {
+        using var db = new IntroSkipperDbContext(_dbPath);
+        return db.DbSeasonInfo.Where(s => s.SeasonId == id).ToDictionary(s => s.Type, s => s.Action);
+    }
+
+    internal AnalyzerAction GetAnalyzerAction(Guid id, AnalysisMode mode)
+    {
+        using var db = new IntroSkipperDbContext(_dbPath);
+        return db.DbSeasonInfo.FirstOrDefault(s => s.SeasonId == id && s.Type == mode)?.Action ?? AnalyzerAction.Default;
+    }
+
+    internal async Task CleanSeasonInfoAsync()
+    {
+        using var db = new IntroSkipperDbContext(_dbPath);
+        var obsoleteSeasons = await db.DbSeasonInfo
+            .Where(s => !Instance!.QueuedMediaItems.Keys.Contains(s.SeasonId))
+            .ToListAsync().ConfigureAwait(false);
+        db.DbSeasonInfo.RemoveRange(obsoleteSeasons);
+        await db.SaveChangesAsync().ConfigureAwait(false);
     }
 
     private void MigrateRepoUrl(IServerConfigurationManager serverConfiguration)
diff --git a/IntroSkipper/Providers/SegmentProvider.cs b/IntroSkipper/Providers/SegmentProvider.cs
index 18e3511..811e31b 100644
--- a/IntroSkipper/Providers/SegmentProvider.cs
+++ b/IntroSkipper/Providers/SegmentProvider.cs
@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
+using IntroSkipper.Data;
 using Jellyfin.Data.Enums;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Entities;
@@ -26,30 +27,37 @@ namespace IntroSkipper.Providers
         /// <inheritdoc/>
         public Task<IReadOnlyList<MediaSegmentDto>> GetMediaSegments(MediaSegmentGenerationRequest request, CancellationToken cancellationToken)
         {
-            var segments = new List<MediaSegmentDto>();
-            var remainingTicks = (Plugin.Instance?.Configuration.RemainingSecondsOfIntro ?? 2) * TimeSpan.TicksPerSecond;
+            ArgumentNullException.ThrowIfNull(request);
+            ArgumentNullException.ThrowIfNull(Plugin.Instance);
 
-            if (Plugin.Instance!.Intros.TryGetValue(request.ItemId, out var introValue))
+            var segments = new List<MediaSegmentDto>();
+            var remainingTicks = Plugin.Instance.Configuration.RemainingSecondsOfIntro * TimeSpan.TicksPerSecond;
+            var itemSegments = Plugin.Instance.GetSegmentsById(request.ItemId);
+
+            // Add intro segment if found
+            if (itemSegments.TryGetValue(AnalysisMode.Introduction, out var introSegment) && introSegment.Valid)
             {
                 segments.Add(new MediaSegmentDto
                 {
-                    StartTicks = (long)(introValue.Start * TimeSpan.TicksPerSecond),
-                    EndTicks = (long)(introValue.End * TimeSpan.TicksPerSecond) - remainingTicks,
+                    StartTicks = (long)(introSegment.Start * TimeSpan.TicksPerSecond),
+                    EndTicks = (long)(introSegment.End * TimeSpan.TicksPerSecond) - remainingTicks,
                     ItemId = request.ItemId,
                     Type = MediaSegmentType.Intro
                 });
             }
 
-            if (Plugin.Instance!.Credits.TryGetValue(request.ItemId, out var creditValue))
+            // Add outro/credits segment if found
+            if (itemSegments.TryGetValue(AnalysisMode.Introduction, out var creditSegment) && creditSegment.Valid)
             {
-                var creditEndTicks = (long)(creditValue.End * TimeSpan.TicksPerSecond);
+                var creditEndTicks = (long)(creditSegment.End * TimeSpan.TicksPerSecond);
                 var runTimeTicks = Plugin.Instance.GetItem(request.ItemId)?.RunTimeTicks ?? long.MaxValue;
+
                 segments.Add(new MediaSegmentDto
                 {
-                    StartTicks = (long)(creditValue.Start * TimeSpan.TicksPerSecond),
+                    StartTicks = (long)(creditSegment.Start * TimeSpan.TicksPerSecond),
                     EndTicks = runTimeTicks > creditEndTicks + TimeSpan.TicksPerSecond
-                        ? creditEndTicks - remainingTicks
-                        : runTimeTicks,
+                            ? creditEndTicks - remainingTicks
+                            : runTimeTicks,
                     ItemId = request.ItemId,
                     Type = MediaSegmentType.Outro
                 });
diff --git a/IntroSkipper/ScheduledTasks/BaseItemAnalyzerTask.cs b/IntroSkipper/ScheduledTasks/BaseItemAnalyzerTask.cs
index f58126c..02bf299 100644
--- a/IntroSkipper/ScheduledTasks/BaseItemAnalyzerTask.cs
+++ b/IntroSkipper/ScheduledTasks/BaseItemAnalyzerTask.cs
@@ -102,7 +102,7 @@ public class BaseItemAnalyzerTask
             // of the current media items were deleted from Jellyfin since the task was started.
             var (episodes, requiredModes) = queueManager.VerifyQueue(
                 season.Value,
-                _analysisModes.Where(m => !Plugin.Instance!.IsIgnored(season.Key, m)).ToList());
+                _analysisModes);
 
             if (episodes.Count == 0)
             {
@@ -132,7 +132,8 @@ public class BaseItemAnalyzerTask
 
                 foreach (AnalysisMode mode in requiredModes)
                 {
-                    var analyzed = AnalyzeItems(episodes, mode, ct);
+                    var action = Plugin.Instance!.GetAnalyzerAction(season.Key, mode);
+                    var analyzed = await AnalyzeItems(episodes, mode, action, ct).ConfigureAwait(false);
                     Interlocked.Add(ref totalProcessed, analyzed);
 
                     updateManagers = analyzed > 0 || updateManagers;
@@ -177,14 +178,16 @@ public class BaseItemAnalyzerTask
     /// </summary>
     /// <param name="items">Media items to analyze.</param>
     /// <param name="mode">Analysis mode.</param>
+    /// <param name="action">Analyzer action.</param>
     /// <param name="cancellationToken">Cancellation token.</param>
     /// <returns>Number of items that were successfully analyzed.</returns>
-    private int AnalyzeItems(
+    private async Task<int> AnalyzeItems(
         IReadOnlyList<QueuedEpisode> items,
         AnalysisMode mode,
+        AnalyzerAction action,
         CancellationToken cancellationToken)
     {
-        var totalItems = items.Count(e => !e.State.IsAnalyzed(mode));
+        var totalItems = items.Count(e => !e.GetAnalyzed(mode));
 
         // Only analyze specials (season 0) if the user has opted in.
         var first = items[0];
@@ -193,12 +196,6 @@ public class BaseItemAnalyzerTask
             return 0;
         }
 
-        // Remove from Blacklist
-        foreach (var item in items.Where(e => e.State.IsBlacklisted(mode)))
-        {
-            item.State.SetBlacklisted(mode, false);
-        }
-
         _logger.LogInformation(
             "[Mode: {Mode}] Analyzing {Count} files from {Name} season {Season}",
             mode,
@@ -206,22 +203,24 @@ public class BaseItemAnalyzerTask
             first.SeriesName,
             first.SeasonNumber);
 
-        var analyzers = new Collection<IMediaFileAnalyzer>
-        {
-            new ChapterAnalyzer(_loggerFactory.CreateLogger<ChapterAnalyzer>())
-        };
+        var analyzers = new Collection<IMediaFileAnalyzer>();
 
-        if (first.IsAnime && Plugin.Instance!.Configuration.WithChromaprint && !first.IsMovie)
+        if (action == AnalyzerAction.Chapter || action == AnalyzerAction.Default)
+        {
+            analyzers.Add(new ChapterAnalyzer(_loggerFactory.CreateLogger<ChapterAnalyzer>()));
+        }
+
+        if (first.IsAnime && !first.IsMovie && (action == AnalyzerAction.Chromaprint || action == AnalyzerAction.Default))
         {
             analyzers.Add(new ChromaprintAnalyzer(_loggerFactory.CreateLogger<ChromaprintAnalyzer>()));
         }
 
-        if (mode == AnalysisMode.Credits)
+        if (mode == AnalysisMode.Credits && (action == AnalyzerAction.BlackFrame || action == AnalyzerAction.Default))
         {
             analyzers.Add(new BlackFrameAnalyzer(_loggerFactory.CreateLogger<BlackFrameAnalyzer>()));
         }
 
-        if (!first.IsAnime && Plugin.Instance!.Configuration.WithChromaprint && !first.IsMovie)
+        if (!first.IsAnime && !first.IsMovie && (action == AnalyzerAction.Chromaprint || action == AnalyzerAction.Default))
         {
             analyzers.Add(new ChromaprintAnalyzer(_loggerFactory.CreateLogger<ChromaprintAnalyzer>()));
         }
@@ -230,16 +229,14 @@ public class BaseItemAnalyzerTask
         // analyzed items from the queue.
         foreach (var analyzer in analyzers)
         {
-            items = analyzer.AnalyzeMediaFiles(items, mode, cancellationToken);
+            items = await analyzer.AnalyzeMediaFiles(items, mode, cancellationToken).ConfigureAwait(false);
             cancellationToken.ThrowIfCancellationRequested();
         }
 
         // Add items without intros/credits to blacklist.
-        foreach (var item in items.Where(e => !e.State.IsAnalyzed(mode)))
-        {
-            item.State.SetBlacklisted(mode, true);
-            totalItems -= 1;
-        }
+        var blacklisted = items.Where(e => !e.GetAnalyzed(mode)).ToList();
+        await Plugin.Instance!.UpdateTimestamps(blacklisted.ToDictionary(e => e.EpisodeId, e => new Segment(e.EpisodeId)), mode).ConfigureAwait(false);
+        totalItems -= blacklisted.Count;
 
         return totalItems;
     }
diff --git a/IntroSkipper/ScheduledTasks/CleanCacheTask.cs b/IntroSkipper/ScheduledTasks/CleanCacheTask.cs
index 8c611ca..2115b62 100644
--- a/IntroSkipper/ScheduledTasks/CleanCacheTask.cs
+++ b/IntroSkipper/ScheduledTasks/CleanCacheTask.cs
@@ -69,7 +69,7 @@ public class CleanCacheTask : IScheduledTask
     /// <param name="progress">Task progress.</param>
     /// <param name="cancellationToken">Cancellation token.</param>
     /// <returns>Task.</returns>
-    public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
+    public async Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
     {
         if (_libraryManager is null)
         {
@@ -82,24 +82,19 @@ public class CleanCacheTask : IScheduledTask
 
         // Retrieve media items and get valid episode IDs
         var queue = queueManager.GetMediaItems();
-        var validEpisodeIds = new HashSet<Guid>(queue.Values.SelectMany(episodes => episodes.Select(e => e.EpisodeId)));
+        var validEpisodeIds = queue.Values
+            .SelectMany(episodes => episodes.Select(e => e.EpisodeId))
+            .ToHashSet();
 
-        Plugin.Instance!.CleanTimestamps(validEpisodeIds);
+        await Plugin.Instance!.ClearInvalidSegments().ConfigureAwait(false);
+
+        await Plugin.Instance!.CleanTimestamps(validEpisodeIds).ConfigureAwait(false);
 
         // Identify invalid episode IDs
         var invalidEpisodeIds = Directory.EnumerateFiles(Plugin.Instance!.FingerprintCachePath)
-            .Select(filePath =>
-            {
-                var fileName = Path.GetFileNameWithoutExtension(filePath);
-                var episodeIdStr = fileName.Split('-')[0];
-                if (Guid.TryParse(episodeIdStr, out Guid episodeId))
-                {
-                    return validEpisodeIds.Contains(episodeId) ? (Guid?)null : episodeId;
-                }
-
-                return null;
-            })
-            .OfType<Guid>()
+            .Select(filePath => Path.GetFileNameWithoutExtension(filePath).Split('-')[0])
+            .Where(episodeIdStr => Guid.TryParse(episodeIdStr, out var episodeId) && !validEpisodeIds.Contains(episodeId))
+            .Select(Guid.Parse)
             .ToHashSet();
 
         // Delete cache files for invalid episode IDs
@@ -109,31 +104,10 @@ public class CleanCacheTask : IScheduledTask
             FFmpegWrapper.DeleteEpisodeCache(episodeId);
         }
 
-        // Clean up ignore list by removing items that are no longer exist..
-        var removedItems = false;
-        foreach (var ignoredItem in Plugin.Instance.IgnoreList.Values.ToList())
-        {
-            if (!queue.ContainsKey(ignoredItem.SeasonId))
-            {
-                removedItems = true;
-                Plugin.Instance.IgnoreList.TryRemove(ignoredItem.SeasonId, out _);
-            }
-        }
+        // Clean up Season information by removing items that are no longer exist.
+        await Plugin.Instance!.CleanSeasonInfoAsync().ConfigureAwait(false);
 
-        // Save ignore list if at least one item was removed.
-        if (removedItems)
-        {
-            try
-            {
-                Plugin.Instance!.SaveIgnoreList();
-            }
-            catch (Exception e)
-            {
-                _logger.LogError("Failed to save ignore list: {Error}", e.Message);
-            }
-        }
-
-        return Task.CompletedTask;
+        progress.Report(100);
     }
 
     /// <summary>
diff --git a/IntroSkipper/Services/AutoSkip.cs b/IntroSkipper/Services/AutoSkip.cs
index bfe85fe..b851d44 100644
--- a/IntroSkipper/Services/AutoSkip.cs
+++ b/IntroSkipper/Services/AutoSkip.cs
@@ -8,6 +8,8 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Timers;
 using IntroSkipper.Configuration;
+using IntroSkipper.Data;
+using IntroSkipper.Db;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Session;
@@ -125,7 +127,8 @@ namespace IntroSkipper.Services
                 }
 
                 // Assert that an intro was detected for this item.
-                if (!Plugin.Instance!.Intros.TryGetValue(itemId, out var intro) || !intro.Valid)
+                var intro = Plugin.Instance!.GetSegmentByMode(itemId, AnalysisMode.Introduction);
+                if (!intro.Valid)
                 {
                     continue;
                 }
diff --git a/IntroSkipper/Services/AutoSkipCredits.cs b/IntroSkipper/Services/AutoSkipCredits.cs
index 838a4a2..3eafb2f 100644
--- a/IntroSkipper/Services/AutoSkipCredits.cs
+++ b/IntroSkipper/Services/AutoSkipCredits.cs
@@ -8,6 +8,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Timers;
 using IntroSkipper.Configuration;
+using IntroSkipper.Data;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Session;
@@ -125,7 +126,8 @@ namespace IntroSkipper.Services
                 }
 
                 // Assert that credits were detected for this item.
-                if (!Plugin.Instance!.Credits.TryGetValue(itemId, out var credit) || !credit.Valid)
+                var credit = Plugin.Instance!.GetSegmentByMode(itemId, AnalysisMode.Credits);
+                if (!credit.Valid)
                 {
                     continue;
                 }
diff --git a/IntroSkipper/Services/Entrypoint.cs b/IntroSkipper/Services/Entrypoint.cs
index 712f281..79b33d7 100644
--- a/IntroSkipper/Services/Entrypoint.cs
+++ b/IntroSkipper/Services/Entrypoint.cs
@@ -140,7 +140,11 @@ namespace IntroSkipper.Services
             }
         }
 
-        private void OnSettingsChanged(object? sender, BasePluginConfiguration e) => _config = (PluginConfiguration)e;
+        private void OnSettingsChanged(object? sender, BasePluginConfiguration e)
+        {
+            _config = (PluginConfiguration)e;
+            _ = Plugin.Instance!.ClearInvalidSegments();
+        }
 
         /// <summary>
         /// Start timer to debounce analyzing.