Add skipping last episode minus the episode

Needs to determine if the current episode is the last episode, but this fills in all the UI and config

.editorconfig

@@ -192,5 +192,3 @@ csharp_space_between_method_call_empty_parameter_list_parentheses = false
 # Wrapping preferences
 csharp_preserve_single_line_statements = true
 csharp_preserve_single_line_blocks = true
-
-file_header_template = Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>\nSPDX-License-Identifier: GPL-3.0-only.

.github/ISSUE_TEMPLATE/bug_report_form.yml

@@ -13,7 +13,7 @@ body:
         Many servers have permission issues that can be resolved with a few extra steps.
         If your skip button is not shown, please see [Troubleshooting](https://github.com/intro-skipper/intro-skipper/wiki/Troubleshooting#skip-button-is-not-visible) before reporting.
       options:
-        - label: I use Jellyfin 10.10.3 (or newer) and my permissions are correct
+        - label: I use Jellyfin 10.9.11 (or newer) and my permissions are correct
           required: true
   - type: textarea
     attributes:

.github/workflows/build.yml

@@ -2,8 +2,15 @@ name: "Build Plugin"
 
 on:
   push:
-    branches:
+    branches: ["master"]
-      - '*'  # Triggers on any branch push
+    paths-ignore:
+      - "**/README.md"
+      - ".github/ISSUE_TEMPLATE/**"
+      - "docs/**"
+      - "images/**"
+      - "manifest.json"
+  pull_request:
+    branches: ["master"]
     paths-ignore:
       - "**/README.md"
       - ".github/ISSUE_TEMPLATE/**"
@@ -32,22 +39,6 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - name: Read version from VERSION.txt
-        id: read-version
-        run: |
-          MAIN_VERSION=$(cat VERSION.txt)
-          echo "MAIN_VERSION=${MAIN_VERSION}"
-          echo "MAIN_VERSION=$MAIN_VERSION" >> $GITHUB_ENV
-
-      - name: Check for BETA file
-        id: check-beta
-        run: |
-          if [ -f "BETA" ]; then
-            echo "IS_BETA=true" >> $GITHUB_ENV
-          else
-            echo "IS_BETA=false" >> $GITHUB_ENV
-          fi
-
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
@@ -60,25 +51,17 @@ jobs:
 
       - name: Minify HTML
         run: |
-          npx html-minifier-terser --collapse-boolean-attributes --collapse-whitespace --remove-comments --remove-optional-tags --remove-redundant-attributes --remove-script-type-attributes --remove-tag-whitespace --use-short-doctype --minify-css true --minify-js true -o IntroSkipper/Configuration/configPage.html IntroSkipper/Configuration/configPage.html
+          npx html-minifier-terser --collapse-boolean-attributes --collapse-whitespace --collapse-inline-tag-whitespace --remove-comments --remove-optional-tags --remove-redundant-attributes --remove-script-type-attributes --remove-tag-whitespace --use-short-doctype --minify-css true --minify-js true -o ConfusedPolarBear.Plugin.IntroSkipper/Configuration/configPage.html ConfusedPolarBear.Plugin.IntroSkipper/Configuration/configPage.html
-          npx terser IntroSkipper/Configuration/inject.js -o IntroSkipper/Configuration/inject.js -c -m
+          npx terser ConfusedPolarBear.Plugin.IntroSkipper/Configuration/inject.js -o ConfusedPolarBear.Plugin.IntroSkipper/Configuration/inject.js -c -m
-          npx terser IntroSkipper/Configuration/visualizer.js -o IntroSkipper/Configuration/visualizer.js -c -m
+          npx terser ConfusedPolarBear.Plugin.IntroSkipper/Configuration/visualizer.js -o ConfusedPolarBear.Plugin.IntroSkipper/Configuration/visualizer.js -c -m
-
-      - name: Restore Beta dependencies
-        if: ${{env.IS_BETA == 'true' }}
-        run: |
-          dotnet nuget add source --username ${{ github.repository_owner }} --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name jellyfin-pre "https://nuget.pkg.github.com/jellyfin/index.json"
-          dotnet tool install --global dotnet-outdated-tool
-          dotnet outdated -pre Always -u -inc Jellyfin
 
       - name: Restore dependencies
-        if: ${{env.IS_BETA == 'false' }}
         run: dotnet restore
 
       - name: Embed version info
         run: |
           GITHUB_SHA=${{ github.sha }}
-          sed -i "s/string\.Empty/\"$GITHUB_SHA\"/g" IntroSkipper/Helper/Commit.cs
+          sed -i "s/string\.Empty/\"$GITHUB_SHA\"/g" ConfusedPolarBear.Plugin.IntroSkipper/Helper/Commit.cs
 
       - name: Retrieve commit identification
         run: |
@@ -90,19 +73,29 @@ jobs:
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4.3.6
+        if: github.event_name != 'pull_request'
         with:
-          name: IntroSkipper-${{ env.GIT_HASH }}.dll
+          name: ConfusedPolarBear.Plugin.IntroSkipper-${{ env.GIT_HASH }}.dll
-          path: IntroSkipper/bin/Debug/net8.0/IntroSkipper.dll
+          path: ConfusedPolarBear.Plugin.IntroSkipper/bin/Debug/net8.0/ConfusedPolarBear.Plugin.IntroSkipper.dll
+          if-no-files-found: error
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4.3.6
+        if: github.event_name == 'pull_request'
+        with:
+          name: ConfusedPolarBear.Plugin.IntroSkipper-${{ env.SANITIZED_BRANCH_NAME }}.dll
+          path: ConfusedPolarBear.Plugin.IntroSkipper/bin/Debug/net8.0/ConfusedPolarBear.Plugin.IntroSkipper.dll
+          retention-days: 7
           if-no-files-found: error
 
       - name: Create archive
-        if: startsWith(github.ref_name, '10.') # only do a preview release on 10.x branches
+        if: github.event_name != 'pull_request'
-        run: zip -j "intro-skipper-${{ env.GIT_HASH }}.zip" IntroSkipper/bin/Debug/net8.0/IntroSkipper.dll
+        run: zip -j "intro-skipper-${{ env.GIT_HASH }}.zip" ConfusedPolarBear.Plugin.IntroSkipper/bin/Debug/net8.0/ConfusedPolarBear.Plugin.IntroSkipper.dll
 
       - name: Create/replace the preview release and upload artifacts
-        if: startsWith(github.ref_name, '10.') # only do a preview release on 10.x branches
+        if: github.event_name != 'pull_request'
         run: |
-          gh release delete "${{ env.MAIN_VERSION }}/preview" --cleanup-tag --yes || true
+          gh release delete '10.9/preview' --cleanup-tag --yes || true
-          gh release create "${{ env.MAIN_VERSION }}/preview" "intro-skipper-${{ env.GIT_HASH }}.zip" --prerelease --title "intro-skipper-${{ env.GIT_HASH }}" --notes "This is a prerelease version."  --target ${{ env.MAIN_VERSION }}
+          gh release create '10.9/preview' "intro-skipper-${{ env.GIT_HASH }}.zip" --prerelease --title "intro-skipper-${{ env.GIT_HASH }}" --notes "This is a prerelease version."
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/codeql.yml

@@ -2,8 +2,15 @@ name: "CodeQL"
 
 on:
   push:
-    branches:
+    branches: [master]
-      - '*'  # Triggers on any branch push
+    paths-ignore:
+      - "**/README.md"
+      - ".github/ISSUE_TEMPLATE/**"
+      - "docs/**"
+      - "images/**"
+      - "manifest.json"
+  pull_request:
+    branches: [master]
     paths-ignore:
       - "**/README.md"
       - ".github/ISSUE_TEMPLATE/**"
@@ -29,39 +36,25 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Check for BETA file
-        id: check-beta
-        run: |
-          if [ -f "BETA" ]; then
-            echo "IS_BETA=true" >> $GITHUB_ENV
-          else
-            echo "IS_BETA=false" >> $GITHUB_ENV
-          fi
-
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 
-      - name: Restore Beta dependencies
+      - name: Install dependencies
-        if: ${{env.IS_BETA == 'true' }}
         run: |
           dotnet nuget add source --username ${{ github.repository_owner }} --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name jellyfin-pre "https://nuget.pkg.github.com/jellyfin/index.json"
           dotnet tool install --global dotnet-outdated-tool
           dotnet outdated -pre Always -u -inc Jellyfin
 
-      - name: Restore dependencies
-        if: ${{env.IS_BETA == 'false' }}
-        run: dotnet restore
-
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@f09c1c0a94de965c15400f5634aa42fac8fb8f88 # v3.27.5
+        uses: github/codeql-action/init@6db8d6351fd0be61f9ed8ebd12ccd35dcec51fea # v3.26.11
         with:
           languages: ${{ matrix.language }}
           queries: +security-extended
 
       - name: Autobuild
-        uses: github/codeql-action/autobuild@f09c1c0a94de965c15400f5634aa42fac8fb8f88 # v3.27.5
+        uses: github/codeql-action/autobuild@6db8d6351fd0be61f9ed8ebd12ccd35dcec51fea # v3.26.11
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@f09c1c0a94de965c15400f5634aa42fac8fb8f88 # v3.27.5
+        uses: github/codeql-action/analyze@6db8d6351fd0be61f9ed8ebd12ccd35dcec51fea # v3.26.11

.github/workflows/release.yml

@@ -5,7 +5,6 @@ on:
 
 permissions:
   contents: write
-  packages: write
 
 jobs:
   build:
@@ -14,22 +13,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Read version from VERSION.txt
-        id: read-version
-        run: |
-          MAIN_VERSION=$(cat VERSION.txt)
-          echo "MAIN_VERSION=${MAIN_VERSION}"
-          echo "MAIN_VERSION=$MAIN_VERSION" >> $GITHUB_ENV
-
-      - name: Check for BETA file
-        id: check-beta
-        run: |
-          if [ -f "BETA" ]; then
-            echo "IS_BETA=true" >> $GITHUB_ENV
-          else
-            echo "IS_BETA=false" >> $GITHUB_ENV
-          fi
-
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
@@ -42,19 +25,11 @@ jobs:
 
       - name: Minify HTML
         run: |
-          npx html-minifier-terser --collapse-boolean-attributes --collapse-whitespace --remove-comments --remove-optional-tags --remove-redundant-attributes --remove-script-type-attributes --remove-tag-whitespace --use-short-doctype --minify-css true --minify-js true -o IntroSkipper/Configuration/configPage.html IntroSkipper/Configuration/configPage.html
+          npx html-minifier-terser --collapse-boolean-attributes --collapse-whitespace --collapse-inline-tag-whitespace --remove-comments --remove-optional-tags --remove-redundant-attributes --remove-script-type-attributes --remove-tag-whitespace --use-short-doctype --minify-css true --minify-js true -o ConfusedPolarBear.Plugin.IntroSkipper/Configuration/configPage.html ConfusedPolarBear.Plugin.IntroSkipper/Configuration/configPage.html
-          npx terser IntroSkipper/Configuration/inject.js -o IntroSkipper/Configuration/inject.js -c -m
+          npx terser ConfusedPolarBear.Plugin.IntroSkipper/Configuration/inject.js -o ConfusedPolarBear.Plugin.IntroSkipper/Configuration/inject.js -c -m
-          npx terser IntroSkipper/Configuration/visualizer.js -o IntroSkipper/Configuration/visualizer.js -c -m
+          npx terser ConfusedPolarBear.Plugin.IntroSkipper/Configuration/visualizer.js -o ConfusedPolarBear.Plugin.IntroSkipper/Configuration/visualizer.js -c -m
-
-      - name: Restore Beta dependencies
-        if: ${{env.IS_BETA == 'true' }}
-        run: |
-          dotnet nuget add source --username ${{ github.repository_owner }} --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name jellyfin-pre "https://nuget.pkg.github.com/jellyfin/index.json"
-          dotnet tool install --global dotnet-outdated-tool
-          dotnet outdated -pre Always -u -inc Jellyfin
 
       - name: Restore dependencies
-        if: ${{env.IS_BETA == 'false' }}
         run: dotnet restore
 
       - name: Run update version
@@ -65,23 +40,23 @@ jobs:
       - name: Embed version info
         run: |
           GITHUB_SHA=${{ github.sha }}
-          sed -i "s/string\.Empty/\"$GITHUB_SHA\"/g" IntroSkipper/Helper/Commit.cs
+          sed -i "s/string\.Empty/\"$GITHUB_SHA\"/g" ConfusedPolarBear.Plugin.IntroSkipper/Helper/Commit.cs
 
       - name: Build
         run: dotnet build --configuration Release --no-restore
 
       - name: Create archive
-        run: zip -j "intro-skipper-v${{ env.NEW_FILE_VERSION }}.zip" IntroSkipper/bin/Release/net8.0/IntroSkipper.dll
+        run: zip -j "intro-skipper-v${{ env.NEW_FILE_VERSION }}.zip" ConfusedPolarBear.Plugin.IntroSkipper/bin/Release/net8.0/ConfusedPolarBear.Plugin.IntroSkipper.dll
 
       - name: Remove old release if exits
         if: ${{ github.repository == 'intro-skipper/intro-skipper-test' }}
-        run: gh release delete "${{ env.MAIN_VERSION }}/v${{ env.NEW_FILE_VERSION }}" --cleanup-tag --yes || true
+        run: gh release delete "10.9/v${{ env.NEW_FILE_VERSION }}" --cleanup-tag --yes || true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Create new release with tag
         if: github.event_name != 'pull_request'
-        run: gh release create "${{ env.MAIN_VERSION }}/v${{ env.NEW_FILE_VERSION }}" "intro-skipper-v${{ env.NEW_FILE_VERSION }}.zip" --title "v${{ env.NEW_FILE_VERSION }}" --latest --generate-notes --target ${{ env.MAIN_VERSION }}
+        run: gh release create "10.9/v${{ env.NEW_FILE_VERSION }}" "intro-skipper-v${{ env.NEW_FILE_VERSION }}.zip" --title "v${{ env.NEW_FILE_VERSION }}" --latest --generate-notes
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -91,13 +66,12 @@ jobs:
           task-type: "updateManifest"
         env:
           GITHUB_REPO_VISIBILITY: ${{ github.event.repository.visibility }}
-          MAIN_VERSION: ${{ env.MAIN_VERSION }}
 
       - name: Commit changes
         if: success()
         run: |
           git config --global user.name "github-actions[bot]"
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
-          git add README.md manifest.json IntroSkipper/IntroSkipper.csproj .github/ISSUE_TEMPLATE/bug_report_form.yml
+          git add README.md manifest.json ConfusedPolarBear.Plugin.IntroSkipper/ConfusedPolarBear.Plugin.IntroSkipper.csproj .github/ISSUE_TEMPLATE/bug_report_form.yml
           git commit -m "release v${{ env.NEW_FILE_VERSION }}"
           git push

.gitignore

@@ -8,6 +8,3 @@ docker/dist
 
 # Visual Studio
 .vs/
-
-# JetBrains Rider
-.idea/

.vscode/extensions.json

@@ -1,11 +0,0 @@
-{
-  "recommendations": [
-    "ms-dotnettools.csharp",
-    "editorconfig.editorconfig",
-    "github.vscode-github-actions",
-    "ms-dotnettools.vscode-dotnet-runtime",
-    "ms-dotnettools.csdevkit",
-    "eamodio.gitlens"
-  ],
-  "unwantedRecommendations": []
-}

.vscode/settings.json

@@ -1,9 +0,0 @@
-{
-  "editor.insertSpaces": true,
-  "editor.tabSize": 4,
-  "files.encoding": "utf8",
-  "files.trimTrailingWhitespace": true,
-  "files.insertFinalNewline": true,
-  "editor.rulers": [],
-  "dotnet.defaultSolution": "IntroSkipper.sln"
-}

ConfusedPolarBear.Plugin.IntroSkipper.Tests/ConfusedPolarBear.Plugin.IntroSkipper.Tests.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -21,7 +21,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\IntroSkipper\IntroSkipper.csproj" />
+    <ProjectReference Include="..\ConfusedPolarBear.Plugin.IntroSkipper\ConfusedPolarBear.Plugin.IntroSkipper.csproj" />
   </ItemGroup>
 
 </Project>

ConfusedPolarBear.Plugin.IntroSkipper.Tests/TestAudioFingerprinting.cs

@@ -1,18 +1,15 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 /* These tests require that the host system has a version of FFmpeg installed
  * which supports both chromaprint and the "-fp_format raw" flag.
  */
 
 using System;
 using System.Collections.Generic;
-using IntroSkipper.Analyzers;
-using IntroSkipper.Data;
-using Microsoft.Extensions.Logging;
 using Xunit;
+using Microsoft.Extensions.Logging;
+using ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
-namespace IntroSkipper.Tests;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Tests;
 
 public class TestAudioFingerprinting
 {
@@ -31,7 +28,8 @@ public class TestAudioFingerprinting
     [InlineData(19, 2_465_585_877)]
     public void TestBitCounting(int expectedBits, uint number)
     {
-        Assert.Equal(expectedBits, ChromaprintAnalyzer.CountBits(number));
+        var chromaprint = CreateChromaprintAnalyzer();
+        Assert.Equal(expectedBits, chromaprint.CountBits(number));
     }
 
     [FactSkipFFmpegTests]
@@ -85,8 +83,7 @@ public class TestAudioFingerprinting
             {77, 5},
         };
 
-        var analyzer = CreateChromaprintAnalyzer();
+        var actual = FFmpegWrapper.CreateInvertedIndex(Guid.NewGuid(), fpr, AnalysisMode.Introduction);
-        var actual = analyzer.CreateInvertedIndex(Guid.NewGuid(), fpr);
 
         Assert.Equal(expected, actual);
     }
@@ -127,12 +124,12 @@ public class TestAudioFingerprinting
 
         var expected = new TimeRange[]
         {
-            new(44.631042, 44.807167),
+            new(44.6310, 44.8072),
-            new(53.590521, 53.806979),
+            new(53.5905, 53.8070),
-            new(53.845833, 54.202417),
+            new(53.8458, 54.2024),
-            new(54.261104, 54.593479),
+            new(54.2611, 54.5935),
-            new(54.709792, 54.929312),
+            new(54.7098, 54.9293),
-            new(54.929396, 55.258979),
+            new(54.9294, 55.2590),
         };
 
         var range = new TimeRange(0, 60);

ConfusedPolarBear.Plugin.IntroSkipper.Tests/TestBlackFrames.cs

@@ -1,12 +1,9 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Tests;
-// SPDX-License-Identifier: GPL-3.0-only.
-
-namespace IntroSkipper.Tests;
 
 using System;
 using System.Collections.Generic;
-using IntroSkipper.Analyzers;
+using ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
-using IntroSkipper.Data;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
 using Microsoft.Extensions.Logging;
 using Xunit;
 
@@ -18,7 +15,7 @@ public class TestBlackFrames
         var range = 1e-5;
 
         var expected = new List<BlackFrame>();
-        expected.AddRange(CreateFrameSequence(2, 3));
+        expected.AddRange(CreateFrameSequence(2.04, 3));
         expected.AddRange(CreateFrameSequence(5, 6));
         expected.AddRange(CreateFrameSequence(8, 9.96));
 
@@ -43,7 +40,7 @@ public class TestBlackFrames
         var episode = QueueFile("credits.mp4");
         episode.Duration = (int)new TimeSpan(0, 5, 30).TotalSeconds;
 
-        var result = analyzer.AnalyzeMediaFile(episode, 240, 85);
+        var result = analyzer.AnalyzeMediaFile(episode, 240, 30, 85);
         Assert.NotNull(result);
         Assert.InRange(result.Start, 300 - range, 300 + range);
     }

ConfusedPolarBear.Plugin.IntroSkipper.Tests/TestChapterAnalyzer.cs

@@ -1,13 +1,10 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Tests;
-// SPDX-License-Identifier: GPL-3.0-only.
-
-namespace IntroSkipper.Tests;
 
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using IntroSkipper.Analyzers;
+using ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
-using IntroSkipper.Data;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
 using MediaBrowser.Model.Entities;
 using Microsoft.Extensions.Logging;
 using Xunit;

ConfusedPolarBear.Plugin.IntroSkipper.Tests/TestContiguous.cs

@@ -1,10 +1,7 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
-// SPDX-License-Identifier: GPL-3.0-only.
-
-using IntroSkipper.Data;
 using Xunit;
 
-namespace IntroSkipper.Tests;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Tests;
 
 public class TestTimeRanges
 {

ConfusedPolarBear.Plugin.IntroSkipper.Tests/TestEdl.cs

@@ -0,0 +1,45 @@
+using System;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using Xunit;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Tests;
+
+public class TestEdl
+{
+    // Test data is from https://kodi.wiki/view/Edit_decision_list#MPlayer_EDL
+    [Theory]
+    [InlineData(5.3, 7.1, EdlAction.Cut, "5.3 7.1 0")]
+    [InlineData(15, 16.7, EdlAction.Mute, "15 16.7 1")]
+    [InlineData(420, 822, EdlAction.CommercialBreak, "420 822 3")]
+    [InlineData(1, 255.3, EdlAction.SceneMarker, "1 255.3 2")]
+    [InlineData(1.123456789, 5.654647987, EdlAction.CommercialBreak, "1.12 5.65 3")]
+    public void TestEdlSerialization(double start, double end, EdlAction action, string expected)
+    {
+        var intro = MakeIntro(start, end);
+        var actual = intro.ToEdl(action);
+
+        Assert.Equal(expected, actual);
+    }
+
+    [Fact]
+    public void TestEdlInvalidSerialization()
+    {
+        Assert.Throws<ArgumentException>(() => {
+            var intro = MakeIntro(0, 5);
+            intro.ToEdl(EdlAction.None);
+        });
+    }
+
+    [Theory]
+    [InlineData("Death Note - S01E12 - Love.mkv", "Death Note - S01E12 - Love.edl")]
+    [InlineData("/full/path/to/file.rm", "/full/path/to/file.edl")]
+    public void TestEdlPath(string mediaPath, string edlPath)
+    {
+        Assert.Equal(edlPath, EdlManager.GetEdlPath(mediaPath));
+    }
+
+    private static Segment MakeIntro(double start, double end)
+    {
+        return new Segment(Guid.Empty, new TimeRange(start, end));
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper.Tests/TestWarnings.cs

@@ -1,9 +1,6 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Tests;
-// SPDX-License-Identifier: GPL-3.0-only.
 
-namespace IntroSkipper.Tests;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
-
-using IntroSkipper.Data;
 using Xunit;
 
 public class TestFlags

ConfusedPolarBear.Plugin.IntroSkipper.Tests/e2e_tests/README.md

@@ -39,6 +39,7 @@ Selenium is used to verify that the plugin's web interface works as expected. It
 * Changing settings (will be added in the future)
     * Maximum degree of parallelism
     * Selecting libraries for analysis
+    * EDL settings
     * Introduction requirements
     * Auto skip
     * Show/hide skip prompt

ConfusedPolarBear.Plugin.IntroSkipper.sln

@@ -1,8 +1,8 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 # 
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IntroSkipper", "IntroSkipper\IntroSkipper.csproj", "{D921B930-CF91-406F-ACBC-08914DCD0D34}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConfusedPolarBear.Plugin.IntroSkipper", "ConfusedPolarBear.Plugin.IntroSkipper\ConfusedPolarBear.Plugin.IntroSkipper.csproj", "{D921B930-CF91-406F-ACBC-08914DCD0D34}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IntroSkipper.Tests", "IntroSkipper.Tests\IntroSkipper.Tests.csproj", "{9E30DA42-983E-46E0-A3BF-A2BA56FE9718}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConfusedPolarBear.Plugin.IntroSkipper.Tests", "ConfusedPolarBear.Plugin.IntroSkipper.Tests\ConfusedPolarBear.Plugin.IntroSkipper.Tests.csproj", "{9E30DA42-983E-46E0-A3BF-A2BA56FE9718}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

ConfusedPolarBear.Plugin.IntroSkipper/Analyzers/AnalyzerHelper.cs

@@ -0,0 +1,131 @@
+using System;
+using System.Collections.Generic;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using MediaBrowser.Model.Entities;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
+
+/// <summary>
+/// Analyzer Helper.
+/// </summary>
+public class AnalyzerHelper
+{
+    private readonly ILogger _logger;
+    private readonly double _silenceDetectionMinimumDuration;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="AnalyzerHelper"/> class.
+    /// </summary>
+    /// <param name="logger">Logger.</param>
+    public AnalyzerHelper(ILogger logger)
+    {
+        var config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
+        _silenceDetectionMinimumDuration = config.SilenceDetectionMinimumDuration;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Adjusts the end timestamps of all intros so that they end at silence.
+    /// </summary>
+    /// <param name="episodes">QueuedEpisodes to adjust.</param>
+    /// <param name="originalIntros">Original introductions.</param>
+    /// <param name="mode">Analysis mode.</param>
+    /// <returns>Modified Intro Timestamps.</returns>
+    public Dictionary<Guid, Segment> AdjustIntroTimes(
+            IReadOnlyList<QueuedEpisode> episodes,
+            IReadOnlyDictionary<Guid, Segment> originalIntros,
+            AnalysisMode mode)
+        {
+            var modifiedIntros = new Dictionary<Guid, Segment>();
+
+            foreach (var episode in episodes)
+            {
+                _logger.LogTrace("Adjusting introduction end time for {Name} ({Id})", episode.Name, episode.EpisodeId);
+
+                if (!originalIntros.TryGetValue(episode.EpisodeId, out var originalIntro))
+                {
+                    _logger.LogTrace("{Name} does not have an intro", episode.Name);
+                    continue;
+                }
+
+                var adjustedIntro = AdjustIntroForEpisode(episode, originalIntro, mode);
+                modifiedIntros[episode.EpisodeId] = adjustedIntro;
+            }
+
+            return modifiedIntros;
+        }
+
+    private Segment AdjustIntroForEpisode(QueuedEpisode episode, Segment originalIntro, AnalysisMode mode)
+    {
+        var chapters = GetChaptersWithVirtualEnd(episode);
+        var adjustedIntro = new Segment(originalIntro);
+
+        var originalIntroStart = new TimeRange(Math.Max(0, (int)originalIntro.Start - 5), (int)originalIntro.Start + 10);
+        var originalIntroEnd = new TimeRange((int)originalIntro.End - 10, Math.Min(episode.Duration, (int)originalIntro.End + 5));
+
+        _logger.LogTrace("{Name} original intro: {Start} - {End}", episode.Name, originalIntro.Start, originalIntro.End);
+
+        if (!AdjustIntroBasedOnChapters(episode, chapters, adjustedIntro, originalIntroStart, originalIntroEnd)
+            && mode == AnalysisMode.Introduction)
+        {
+            AdjustIntroBasedOnSilence(episode, adjustedIntro, originalIntroEnd);
+        }
+
+        return adjustedIntro;
+    }
+
+    private static List<ChapterInfo> GetChaptersWithVirtualEnd(QueuedEpisode episode)
+    {
+        var chapters = Plugin.Instance?.GetChapters(episode.EpisodeId) ?? [];
+        chapters.Add(new ChapterInfo { StartPositionTicks = TimeSpan.FromSeconds(episode.Duration).Ticks });
+        return chapters;
+    }
+
+    private bool AdjustIntroBasedOnChapters(QueuedEpisode episode, List<ChapterInfo> chapters, Segment adjustedIntro, TimeRange originalIntroStart, TimeRange originalIntroEnd)
+    {
+        foreach (var chapter in chapters)
+        {
+            var chapterStartSeconds = TimeSpan.FromTicks(chapter.StartPositionTicks).TotalSeconds;
+
+            if (originalIntroStart.Start < chapterStartSeconds && chapterStartSeconds < originalIntroStart.End)
+            {
+                adjustedIntro.Start = chapterStartSeconds;
+                _logger.LogTrace("{Name} chapter found close to intro start: {Start}", episode.Name, chapterStartSeconds);
+            }
+
+            if (originalIntroEnd.Start < chapterStartSeconds && chapterStartSeconds < originalIntroEnd.End)
+            {
+                adjustedIntro.End = chapterStartSeconds;
+                _logger.LogTrace("{Name} chapter found close to intro end: {End}", episode.Name, chapterStartSeconds);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private void AdjustIntroBasedOnSilence(QueuedEpisode episode, Segment adjustedIntro, TimeRange originalIntroEnd)
+    {
+        var silence = FFmpegWrapper.DetectSilence(episode, originalIntroEnd);
+
+        foreach (var currentRange in silence)
+        {
+            _logger.LogTrace("{Name} silence: {Start} - {End}", episode.Name, currentRange.Start, currentRange.End);
+
+            if (IsValidSilenceForIntroAdjustment(currentRange, originalIntroEnd, adjustedIntro))
+            {
+                adjustedIntro.End = currentRange.Start;
+                break;
+            }
+        }
+    }
+
+    private bool IsValidSilenceForIntroAdjustment(TimeRange silenceRange, TimeRange originalIntroEnd, Segment adjustedIntro)
+    {
+        return originalIntroEnd.Intersects(silenceRange) &&
+                silenceRange.Duration >= _silenceDetectionMinimumDuration &&
+                silenceRange.Start >= adjustedIntro.Start;
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Analyzers/BlackFrameAnalyzer.cs

@@ -0,0 +1,207 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
+
+/// <summary>
+/// Media file analyzer used to detect end credits that consist of text overlaid on a black background.
+/// Bisects the end of the video file to perform an efficient search.
+/// </summary>
+public class BlackFrameAnalyzer : IMediaFileAnalyzer
+{
+    private readonly TimeSpan _maximumError = new(0, 0, 4);
+
+    private readonly ILogger<BlackFrameAnalyzer> _logger;
+
+    private readonly int _minimumCreditsDuration;
+
+    private readonly int _maximumCreditsDuration;
+
+    private readonly int _blackFrameMinimumPercentage;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="BlackFrameAnalyzer"/> class.
+    /// </summary>
+    /// <param name="logger">Logger.</param>
+    public BlackFrameAnalyzer(ILogger<BlackFrameAnalyzer> logger)
+    {
+        var config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
+        _minimumCreditsDuration = config.MinimumCreditsDuration;
+        _maximumCreditsDuration = 2 * config.MaximumCreditsDuration;
+        _blackFrameMinimumPercentage = config.BlackFrameMinimumPercentage;
+
+        _logger = logger;
+    }
+
+    /// <inheritdoc />
+    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
+        IReadOnlyList<QueuedEpisode> analysisQueue,
+        AnalysisMode mode,
+        CancellationToken cancellationToken)
+    {
+        if (mode != AnalysisMode.Credits)
+        {
+            throw new NotImplementedException("mode must equal Credits");
+        }
+
+        var creditTimes = new Dictionary<Guid, Segment>();
+
+        var episodeAnalysisQueue = new List<QueuedEpisode>(analysisQueue);
+
+        bool isFirstEpisode = true;
+
+        double searchStart = _minimumCreditsDuration;
+
+        var searchDistance = 2 * _minimumCreditsDuration;
+
+        foreach (var episode in episodeAnalysisQueue.Where(e => !e.State.IsAnalyzed(mode)))
+        {
+            if (cancellationToken.IsCancellationRequested)
+            {
+                break;
+            }
+
+            // Pre-check to find reasonable starting point.
+            if (isFirstEpisode)
+            {
+                var scanTime = episode.Duration - searchStart;
+                var tr = new TimeRange(scanTime - 0.5, scanTime); // Short search range since accuracy isn't important here.
+
+                var frames = FFmpegWrapper.DetectBlackFrames(episode, tr, _blackFrameMinimumPercentage);
+
+                while (frames.Length > 0) // While black frames are found increase searchStart
+                {
+                    searchStart += searchDistance;
+
+                    scanTime = episode.Duration - searchStart;
+                    tr = new TimeRange(scanTime - 0.5, scanTime);
+
+                    frames = FFmpegWrapper.DetectBlackFrames(episode, tr, _blackFrameMinimumPercentage);
+
+                    if (searchStart > _maximumCreditsDuration)
+                    {
+                        searchStart = _maximumCreditsDuration;
+                        break;
+                    }
+                }
+
+                if (searchStart == _minimumCreditsDuration) // Skip if no black frames were found
+                {
+                    continue;
+                }
+
+                isFirstEpisode = false;
+            }
+
+            var credit = AnalyzeMediaFile(
+                episode,
+                searchStart,
+                searchDistance,
+                _blackFrameMinimumPercentage);
+
+            if (credit is null)
+            {
+                // If no credits were found, reset the first-episode search logic for the next episode in the sequence.
+                searchStart = _minimumCreditsDuration;
+                isFirstEpisode = true;
+                continue;
+            }
+
+            searchStart = episode.Duration - credit.Start + (0.5 * searchDistance);
+
+            creditTimes.Add(episode.EpisodeId, credit);
+            episode.State.SetAnalyzed(mode, true);
+        }
+
+        var analyzerHelper = new AnalyzerHelper(_logger);
+        creditTimes = analyzerHelper.AdjustIntroTimes(analysisQueue, creditTimes, mode);
+
+        Plugin.Instance!.UpdateTimestamps(creditTimes, mode);
+
+        return episodeAnalysisQueue;
+    }
+
+    /// <summary>
+    /// Analyzes an individual media file. Only public because of unit tests.
+    /// </summary>
+    /// <param name="episode">Media file to analyze.</param>
+    /// <param name="searchStart">Search Start Piont.</param>
+    /// <param name="searchDistance">Search Distance.</param>
+    /// <param name="minimum">Percentage of the frame that must be black.</param>
+    /// <returns>Credits timestamp.</returns>
+    public Segment? AnalyzeMediaFile(QueuedEpisode episode, double searchStart, int searchDistance, int minimum)
+    {
+        // Start by analyzing the last N minutes of the file.
+        var upperLimit = searchStart;
+        var lowerLimit = Math.Max(searchStart - searchDistance, _minimumCreditsDuration);
+        var start = TimeSpan.FromSeconds(upperLimit);
+        var end = TimeSpan.FromSeconds(lowerLimit);
+        var firstFrameTime = 0.0;
+
+        // Continue bisecting the end of the file until the range that contains the first black
+        // frame is smaller than the maximum permitted error.
+        while (start - end > _maximumError)
+        {
+            // Analyze the middle two seconds from the current bisected range
+            var midpoint = (start + end) / 2;
+            var scanTime = episode.Duration - midpoint.TotalSeconds;
+            var tr = new TimeRange(scanTime, scanTime + 2);
+
+            _logger.LogTrace(
+                "{Episode}, dur {Duration}, bisect [{BStart}, {BEnd}], time [{Start}, {End}]",
+                episode.Name,
+                episode.Duration,
+                start,
+                end,
+                tr.Start,
+                tr.End);
+
+            var frames = FFmpegWrapper.DetectBlackFrames(episode, tr, minimum);
+            _logger.LogTrace(
+                "{Episode} at {Start} has {Count} black frames",
+                episode.Name,
+                tr.Start,
+                frames.Length);
+
+            if (frames.Length == 0)
+            {
+                // Since no black frames were found, slide the range closer to the end
+                start = midpoint - TimeSpan.FromSeconds(2);
+
+                if (midpoint - TimeSpan.FromSeconds(lowerLimit) < _maximumError)
+                {
+                    lowerLimit = Math.Max(lowerLimit - (0.5 * searchDistance), _minimumCreditsDuration);
+
+                    // Reset end for a new search with the increased duration
+                    end = TimeSpan.FromSeconds(lowerLimit);
+                }
+            }
+            else
+            {
+                // Some black frames were found, slide the range closer to the start
+                end = midpoint;
+                firstFrameTime = frames[0].Time + scanTime;
+
+                if (TimeSpan.FromSeconds(upperLimit) - midpoint < _maximumError)
+                {
+                    upperLimit = Math.Min(upperLimit + (0.5 * searchDistance), _maximumCreditsDuration);
+
+                    // Reset start for a new search with the increased duration
+                    start = TimeSpan.FromSeconds(upperLimit);
+                }
+            }
+        }
+
+        if (firstFrameTime > 0)
+        {
+            return new(episode.EpisodeId, new TimeRange(firstFrameTime, episode.Duration));
+        }
+
+        return null;
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Analyzers/ChapterAnalyzer.cs

@@ -1,19 +1,16 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Globalization;
 using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading;
-using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
-using IntroSkipper.Configuration;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
-using IntroSkipper.Data;
 using MediaBrowser.Model.Entities;
 using Microsoft.Extensions.Logging;
 
-namespace IntroSkipper.Analyzers;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
 
 /// <summary>
 /// Chapter name analyzer.
@@ -24,32 +21,29 @@ namespace IntroSkipper.Analyzers;
 /// <param name="logger">Logger.</param>
 public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyzer
 {
-    private readonly ILogger<ChapterAnalyzer> _logger = logger;
+    private ILogger<ChapterAnalyzer> _logger = logger;
-    private readonly PluginConfiguration _config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
 
     /// <inheritdoc />
-    public async Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
+    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
         IReadOnlyList<QueuedEpisode> analysisQueue,
         AnalysisMode mode,
         CancellationToken cancellationToken)
     {
-        var expression = mode switch
+        var skippableRanges = new Dictionary<Guid, Segment>();
-        {
+
-            AnalysisMode.Introduction => _config.ChapterAnalyzerIntroductionPattern,
+        // Episode analysis queue.
-            AnalysisMode.Credits => _config.ChapterAnalyzerEndCreditsPattern,
+        var episodeAnalysisQueue = new List<QueuedEpisode>(analysisQueue);
-            AnalysisMode.Recap => _config.ChapterAnalyzerRecapPattern,
+
-            AnalysisMode.Preview => _config.ChapterAnalyzerPreviewPattern,
+        var expression = mode == AnalysisMode.Introduction ?
-            _ => throw new ArgumentOutOfRangeException(nameof(mode), $"Unexpected analysis mode: {mode}")
+            Plugin.Instance!.Configuration.ChapterAnalyzerIntroductionPattern :
-        };
+            Plugin.Instance!.Configuration.ChapterAnalyzerEndCreditsPattern;
 
         if (string.IsNullOrWhiteSpace(expression))
         {
             return analysisQueue;
         }
 
-        var episodesWithoutIntros = analysisQueue.Where(e => !e.IsAnalyzed).ToList();
+        foreach (var episode in episodeAnalysisQueue.Where(e => !e.State.IsAnalyzed(mode)))
-
-        foreach (var episode in episodesWithoutIntros)
         {
             if (cancellationToken.IsCancellationRequested)
             {
@@ -58,20 +52,22 @@ public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyz
 
             var skipRange = FindMatchingChapter(
                 episode,
-                Plugin.Instance!.GetChapters(episode.EpisodeId),
+                new(Plugin.Instance.GetChapters(episode.EpisodeId)),
                 expression,
                 mode);
 
-            if (skipRange is null || !skipRange.Valid)
+            if (skipRange is null)
             {
                 continue;
             }
 
-            episode.IsAnalyzed = true;
+            skippableRanges.Add(episode.EpisodeId, skipRange);
-            await Plugin.Instance!.UpdateTimestampAsync(skipRange, mode).ConfigureAwait(false);
+            episode.State.SetAnalyzed(mode, true);
         }
 
-        return analysisQueue;
+        Plugin.Instance.UpdateTimestamps(skippableRanges, mode);
+
+        return episodeAnalysisQueue;
     }
 
     /// <summary>
@@ -85,7 +81,7 @@ public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyz
     /// <returns>Intro object containing skippable time range, or null if no chapter matched.</returns>
     public Segment? FindMatchingChapter(
         QueuedEpisode episode,
-        IReadOnlyList<ChapterInfo> chapters,
+        Collection<ChapterInfo> chapters,
         string expression,
         AnalysisMode mode)
     {
@@ -95,11 +91,11 @@ public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyz
             return null;
         }
 
-        var creditDuration = episode.IsMovie ? _config.MaximumMovieCreditsDuration : _config.MaximumCreditsDuration;
+        var config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
-        var reversed = mode == AnalysisMode.Credits;
+        var reversed = mode != AnalysisMode.Introduction;
         var (minDuration, maxDuration) = reversed
-            ? (_config.MinimumCreditsDuration, creditDuration)
+            ? (config.MinimumCreditsDuration, config.MaximumCreditsDuration)
-            : (_config.MinimumIntroDuration, _config.MaximumIntroDuration);
+            : (config.MinimumIntroDuration, config.MaximumIntroDuration);
 
         // Check all chapters
         for (int i = reversed ? count - 1 : 0; reversed ? i >= 0 : i < count; i += reversed ? -1 : 1)
@@ -136,7 +132,7 @@ public class ChapterAnalyzer(ILogger<ChapterAnalyzer> logger) : IMediaFileAnalyz
             var match = Regex.IsMatch(
                 chapter.Name,
                 expression,
-                RegexOptions.IgnoreCase,
+                RegexOptions.None,
                 TimeSpan.FromSeconds(1));
 
             if (!match)

ConfusedPolarBear.Plugin.IntroSkipper/Analyzers/ChromaprintAnalyzer.cs

@@ -1,58 +1,95 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Numerics;
 using System.Threading;
-using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
-using IntroSkipper.Configuration;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
-using IntroSkipper.Data;
 using Microsoft.Extensions.Logging;
 
-namespace IntroSkipper.Analyzers;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
 
 /// <summary>
-/// Initializes a new instance of the <see cref="ChromaprintAnalyzer"/> class.
+/// Chromaprint audio analyzer.
 /// </summary>
-/// <param name="logger">Logger.</param>
+public class ChromaprintAnalyzer : IMediaFileAnalyzer
-public class ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger) : IMediaFileAnalyzer
 {
     /// <summary>
     /// Seconds of audio in one fingerprint point.
     /// This value is defined by the Chromaprint library and should not be changed.
     /// </summary>
     private const double SamplesToSeconds = 0.1238;
-    private readonly PluginConfiguration _config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
+
-    private readonly ILogger<ChromaprintAnalyzer> _logger = logger;
+    private readonly int _minimumIntroDuration;
-    private readonly Dictionary<Guid, Dictionary<uint, int>> _invertedIndexCache = [];
+
+    private readonly int _maximumDifferences;
+
+    private readonly int _invertedIndexShift;
+
+    private readonly double _maximumTimeSkip;
+
+    private readonly ILogger<ChromaprintAnalyzer> _logger;
+
     private AnalysisMode _analysisMode;
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="ChromaprintAnalyzer"/> class.
+    /// </summary>
+    /// <param name="logger">Logger.</param>
+    public ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger)
+    {
+        var config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
+        _maximumDifferences = config.MaximumFingerprintPointDifferences;
+        _invertedIndexShift = config.InvertedIndexShift;
+        _maximumTimeSkip = config.MaximumTimeSkip;
+        _minimumIntroDuration = config.MinimumIntroDuration;
+
+        _logger = logger;
+    }
+
     /// <inheritdoc />
-    public async Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
+    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
         IReadOnlyList<QueuedEpisode> analysisQueue,
         AnalysisMode mode,
         CancellationToken cancellationToken)
     {
-        // Episodes that were not analyzed.
-        var episodeAnalysisQueue = analysisQueue.Where(e => !e.IsAnalyzed).ToList();
-
-        if (episodeAnalysisQueue.Count <= 1)
-        {
-            return analysisQueue;
-        }
-
-        _analysisMode = mode;
-
         // All intros for this season.
         var seasonIntros = new Dictionary<Guid, Segment>();
 
         // Cache of all fingerprints for this season.
         var fingerprintCache = new Dictionary<Guid, uint[]>();
 
+        // Episode analysis queue based on not analyzed episodes
+        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();
+
+        _analysisMode = mode;
+
+        if (episodesWithoutIntros.Count == 0 || episodeAnalysisQueue.Count <= 1)
+        {
+            return analysisQueue;
+        }
+
+        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))));
+
+        // Ensure at least two fingerprints are present.
+        if (episodesWithFingerprint.Count == 1)
+        {
+            var indexInAnalysisQueue = episodeAnalysisQueue.FindIndex(episode => episode == episodesWithoutIntros[0]);
+            episodesWithFingerprint.AddRange(episodeAnalysisQueue
+                .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));
+
         // Compute fingerprints for all episodes in the season
-        foreach (var episode in episodeAnalysisQueue)
+        foreach (var episode in episodesWithFingerprint)
         {
             try
             {
@@ -80,14 +117,15 @@ public class ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger) : IMediaFi
         }
 
         // While there are still episodes in the queue
-        while (episodeAnalysisQueue.Count > 0)
+        while (episodesWithoutIntros.Count > 0)
         {
             // Pop the first episode from the queue
-            var currentEpisode = episodeAnalysisQueue[0];
+            var currentEpisode = episodesWithoutIntros[0];
-            episodeAnalysisQueue.RemoveAt(0);
+            episodesWithoutIntros.RemoveAt(0);
+            episodesWithFingerprint.Remove(currentEpisode);
 
             // Search through all remaining episodes.
-            foreach (var remainingEpisode in episodeAnalysisQueue)
+            foreach (var remainingEpisode in episodesWithFingerprint)
             {
                 // Compare the current episode to all remaining episodes in the queue.
                 var (currentIntro, remainingIntro) = CompareEpisodes(
@@ -148,17 +186,29 @@ public class ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger) : IMediaFi
                 break;
             }
 
-            // If an intro is found for this episode, adjust its times and save it else add it to the list of episodes without intros.
+            // If no intro is found at this point, the popped episode is not reinserted into the queue.
-            if (seasonIntros.TryGetValue(currentEpisode.EpisodeId, out var intro))
+            if (seasonIntros.ContainsKey(currentEpisode.EpisodeId))
             {
-                currentEpisode.IsAnalyzed = true;
+                episodesWithFingerprint.Add(currentEpisode);
-                await Plugin.Instance!.UpdateTimestampAsync(intro, mode).ConfigureAwait(false);
+                episodeAnalysisQueue.FirstOrDefault(x => x.EpisodeId == currentEpisode.EpisodeId)?.State.SetAnalyzed(mode, true);
             }
         }
 
+        // If cancellation was requested, report that no episodes were analyzed.
+        if (cancellationToken.IsCancellationRequested)
+        {
             return analysisQueue;
         }
 
+        // Adjust all introduction times.
+        var analyzerHelper = new AnalyzerHelper(_logger);
+        seasonIntros = analyzerHelper.AdjustIntroTimes(analysisQueue, seasonIntros, _analysisMode);
+
+        Plugin.Instance!.UpdateTimestamps(seasonIntros, _analysisMode);
+
+        return episodeAnalysisQueue;
+    }
+
     /// <summary>
     /// Analyze two episodes to find an introduction sequence shared between them.
     /// </summary>
@@ -246,8 +296,8 @@ public class ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger) : IMediaFi
         var rhsRanges = new List<TimeRange>();
 
         // Generate inverted indexes for the left and right episodes.
-        var lhsIndex = CreateInvertedIndex(lhsId, lhsPoints);
+        var lhsIndex = FFmpegWrapper.CreateInvertedIndex(lhsId, lhsPoints, _analysisMode);
-        var rhsIndex = CreateInvertedIndex(rhsId, rhsPoints);
+        var rhsIndex = FFmpegWrapper.CreateInvertedIndex(rhsId, rhsPoints, _analysisMode);
         var indexShifts = new HashSet<int>();
 
         // For all audio points in the left episode, check if the right episode has a point which matches exactly.
@@ -256,7 +306,7 @@ public class ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger) : IMediaFi
         {
             var originalPoint = kvp.Key;
 
-            for (var i = -1 * _config.InvertedIndexShift; i <= _config.InvertedIndexShift; i++)
+            for (var i = -1 * _invertedIndexShift; i <= _invertedIndexShift; i++)
             {
                 var modifiedPoint = (uint)(originalPoint + i);
 
@@ -321,7 +371,7 @@ public class ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger) : IMediaFi
             var diff = lhs[lhsPosition] ^ rhs[rhsPosition];
 
             // If the difference between the samples is small, flag both times as similar.
-            if (CountBits(diff) > _config.MaximumFingerprintPointDifferences)
+            if (CountBits(diff) > _maximumDifferences)
             {
                 continue;
             }
@@ -338,156 +388,23 @@ public class ChromaprintAnalyzer(ILogger<ChromaprintAnalyzer> logger) : IMediaFi
         rhsTimes.Add(double.MaxValue);
 
         // Now that both fingerprints have been compared at this shift, see if there's a contiguous time range.
-        var lContiguous = TimeRangeHelpers.FindContiguous([.. lhsTimes], _config.MaximumTimeSkip);
+        var lContiguous = TimeRangeHelpers.FindContiguous(lhsTimes.ToArray(), _maximumTimeSkip);
-        if (lContiguous is null || lContiguous.Duration < _config.MinimumIntroDuration)
+        if (lContiguous is null || lContiguous.Duration < _minimumIntroDuration)
         {
             return (new TimeRange(), new TimeRange());
         }
 
         // Since LHS had a contiguous time range, RHS must have one also.
-        var rContiguous = TimeRangeHelpers.FindContiguous([.. rhsTimes], _config.MaximumTimeSkip)!;
+        var rContiguous = TimeRangeHelpers.FindContiguous(rhsTimes.ToArray(), _maximumTimeSkip)!;
         return (lContiguous, rContiguous);
     }
 
-    /// <summary>
-    /// Adjusts the end timestamps of all intros so that they end at silence.
-    /// </summary>
-    /// <param name="episode">QueuedEpisode to adjust.</param>
-    /// <param name="originalIntro">Original introduction.</param>
-    private Segment AdjustIntroTimes(
-        QueuedEpisode episode,
-        Segment originalIntro)
-    {
-        _logger.LogTrace(
-            "{Name} original intro: {Start} - {End}",
-            episode.Name,
-            originalIntro.Start,
-            originalIntro.End);
-
-        var originalIntroStart = new TimeRange(
-            Math.Max(0, (int)originalIntro.Start - 5),
-            (int)originalIntro.Start + 10);
-
-        var originalIntroEnd = new TimeRange(
-            (int)originalIntro.End - 10,
-            Math.Min(episode.Duration, (int)originalIntro.End + 5));
-
-        // Try to adjust based on chapters first, fall back to silence detection for intros
-        if (!AdjustIntroBasedOnChapters(episode, originalIntro, originalIntroStart, originalIntroEnd) &&
-            _analysisMode == AnalysisMode.Introduction)
-        {
-            AdjustIntroBasedOnSilence(episode, originalIntro, originalIntroEnd);
-        }
-
-        _logger.LogTrace(
-            "{Name} adjusted intro: {Start} - {End}",
-            episode.Name,
-            originalIntro.Start,
-            originalIntro.End);
-
-        return originalIntro;
-    }
-
-    private bool AdjustIntroBasedOnChapters(
-        QueuedEpisode episode,
-        Segment intro,
-        TimeRange originalIntroStart,
-        TimeRange originalIntroEnd)
-    {
-        var chapters = Plugin.Instance?.GetChapters(episode.EpisodeId) ?? [];
-        double previousTime = 0;
-
-        for (int i = 0; i <= chapters.Count; i++)
-        {
-            double currentTime = i < chapters.Count
-                ? TimeSpan.FromTicks(chapters[i].StartPositionTicks).TotalSeconds
-                : episode.Duration;
-
-            if (IsTimeWithinRange(previousTime, originalIntroStart))
-            {
-                intro.Start = previousTime;
-                _logger.LogTrace("{Name} chapter found close to intro start: {Start}", episode.Name, previousTime);
-            }
-
-            if (IsTimeWithinRange(currentTime, originalIntroEnd))
-            {
-                intro.End = currentTime;
-                _logger.LogTrace("{Name} chapter found close to intro end: {End}", episode.Name, currentTime);
-                return true;
-            }
-
-            previousTime = currentTime;
-        }
-
-        return false;
-    }
-
-    private void AdjustIntroBasedOnSilence(QueuedEpisode episode, Segment intro, TimeRange originalIntroEnd)
-    {
-        var silenceRanges = FFmpegWrapper.DetectSilence(episode, originalIntroEnd);
-
-        foreach (var silenceRange in silenceRanges)
-        {
-            _logger.LogTrace("{Name} silence: {Start} - {End}", episode.Name, silenceRange.Start, silenceRange.End);
-
-            if (IsValidSilenceForIntroAdjustment(silenceRange, originalIntroEnd, intro))
-            {
-                intro.End = silenceRange.Start;
-                break;
-            }
-        }
-    }
-
-    private bool IsValidSilenceForIntroAdjustment(
-        TimeRange silenceRange,
-        TimeRange originalIntroEnd,
-        Segment adjustedIntro)
-    {
-        return originalIntroEnd.Intersects(silenceRange) &&
-               silenceRange.Duration >= _config.SilenceDetectionMinimumDuration &&
-               silenceRange.Start >= adjustedIntro.Start;
-    }
-
-    private static bool IsTimeWithinRange(double time, TimeRange range)
-    {
-        return range.Start < time && time < range.End;
-    }
-
-    /// <summary>
-    /// Transforms a Chromaprint into an inverted index of fingerprint points to the last index it appeared at.
-    /// </summary>
-    /// <param name="id">Episode ID.</param>
-    /// <param name="fingerprint">Chromaprint fingerprint.</param>
-    /// <returns>Inverted index.</returns>
-    public Dictionary<uint, int> CreateInvertedIndex(Guid id, uint[] fingerprint)
-    {
-        if (_invertedIndexCache.TryGetValue(id, out var cached))
-        {
-            return cached;
-        }
-
-        var invIndex = new Dictionary<uint, int>();
-
-        for (int i = 0; i < fingerprint.Length; i++)
-        {
-            // Get the current point.
-            var point = fingerprint[i];
-
-            // Append the current sample's timecode to the collection for this point.
-            invIndex[point] = i;
-        }
-
-        _invertedIndexCache[id] = invIndex;
-
-        return invIndex;
-    }
-
     /// <summary>
     /// Count the number of bits that are set in the provided number.
     /// </summary>
     /// <param name="number">Number to count bits in.</param>
     /// <returns>Number of bits that are equal to 1.</returns>
-    public static int CountBits(uint number)
+    public int CountBits(uint number)
     {
         return BitOperations.PopCount(number);
     }

ConfusedPolarBear.Plugin.IntroSkipper/Analyzers/IMediaFileAnalyzer.cs

@@ -1,12 +1,8 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System.Collections.Generic;
 using System.Threading;
-using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
-using IntroSkipper.Data;
 
-namespace IntroSkipper.Analyzers;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
 
 /// <summary>
 /// Media file analyzer interface.
@@ -20,7 +16,7 @@ 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>
-    Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
+    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
         IReadOnlyList<QueuedEpisode> analysisQueue,
         AnalysisMode mode,
         CancellationToken cancellationToken);

ConfusedPolarBear.Plugin.IntroSkipper/Analyzers/SegmentAnalyzer.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Threading;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
+
+/// <summary>
+/// Chapter name analyzer.
+/// </summary>
+public class SegmentAnalyzer : IMediaFileAnalyzer
+{
+    private readonly ILogger<SegmentAnalyzer> _logger;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SegmentAnalyzer"/> class.
+    /// </summary>
+    /// <param name="logger">Logger.</param>
+    public SegmentAnalyzer(ILogger<SegmentAnalyzer> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <inheritdoc />
+    public IReadOnlyList<QueuedEpisode> AnalyzeMediaFiles(
+        IReadOnlyList<QueuedEpisode> analysisQueue,
+        AnalysisMode mode,
+        CancellationToken cancellationToken)
+    {
+        return analysisQueue;
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Configuration/PluginConfiguration.cs

@@ -1,12 +1,8 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
-using System.Collections.Generic;
 using System.Diagnostics;
-using IntroSkipper.Data;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
 using MediaBrowser.Model.Plugins;
 
-namespace IntroSkipper.Configuration;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
 
 /// <summary>
 /// Plugin configuration.
@@ -22,6 +18,11 @@ public class PluginConfiguration : BasePluginConfiguration
 
     // ===== Analysis settings =====
 
+    /// <summary>
+    /// Gets or sets the max degree of parallelism used when analyzing episodes.
+    /// </summary>
+    public int MaxParallelism { get; set; } = 2;
+
     /// <summary>
     /// Gets or sets the comma separated list of library names to analyze.
     /// </summary>
@@ -32,20 +33,20 @@ public class PluginConfiguration : BasePluginConfiguration
     /// </summary>
     public bool SelectAllLibraries { get; set; } = true;
 
-    /// <summary>
-    /// Gets or sets a value indicating whether movies should be analyzed.
-    /// </summary>
-    public bool AnalyzeMovies { get; set; }
-
     /// <summary>
     /// Gets or sets the list of client to auto skip for.
     /// </summary>
-    public string ClientList { get; set; } = string.Empty;
+    public string ClientList { get; set; } = "Kodi";
 
     /// <summary>
-    /// Gets or sets a value indicating whether to automatically scan newly added items.
+    /// Gets or sets a value indicating whether to scan for intros during a scheduled task.
     /// </summary>
-    public bool AutoDetectIntros { get; set; } = true;
+    public bool AutoDetectIntros { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value indicating whether to scan for credits during a scheduled task.
+    /// </summary>
+    public bool AutoDetectCredits { get; set; }
 
     /// <summary>
     /// Gets or sets a value indicating whether to analyze season 0.
@@ -60,44 +61,24 @@ public class PluginConfiguration : BasePluginConfiguration
     /// <summary>
     /// Gets or sets a value indicating whether analysis will use Chromaprint to determine fingerprints.
     /// </summary>
-    public bool WithChromaprint { get; set; } = true;
+    public bool UseChromaprint { get; set; } = true;
 
-    // ===== Media Segment handling =====
+    // ===== EDL handling =====
 
     /// <summary>
-    /// Gets or sets a value indicating whether to update Media Segments.
+    /// Gets or sets a value indicating the action to write to created EDL files.
     /// </summary>
-    public bool UpdateMediaSegments { get; set; } = true;
+    public EdlAction EdlAction { get; set; } = EdlAction.None;
 
     /// <summary>
-    /// Gets or sets a value indicating whether to regenerate all Media Segments during the next scan.
+    /// Gets or sets a value indicating whether to regenerate all EDL files during the next scan.
-    /// By default, Media Segments are only written for a season if the season had at least one newly analyzed episode.
+    /// By default, EDL files are only written for a season if the season had at least one newly analyzed episode.
-    /// If this is set, all Media Segments will be regenerated and overwrite any existing Media Segemnts.
+    /// If this is set, all EDL files will be regenerated and overwrite any existing EDL file.
     /// </summary>
-    public bool RebuildMediaSegments { get; set; } = true;
+    public bool RegenerateEdlFiles { get; set; }
 
     // ===== Custom analysis settings =====
 
-    /// <summary>
-    /// Gets or sets a value indicating whether Introductions should be analyzed.
-    /// </summary>
-    public bool ScanIntroduction { get; set; } = true;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether Credits should be analyzed.
-    /// </summary>
-    public bool ScanCredits { get; set; } = true;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether Recaps should be analyzed.
-    /// </summary>
-    public bool ScanRecap { get; set; } = true;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether Previews should be analyzed.
-    /// </summary>
-    public bool ScanPreview { get; set; } = true;
-
     /// <summary>
     /// Gets or sets the percentage of each episode's audio track to analyze.
     /// </summary>
@@ -126,12 +107,7 @@ public class PluginConfiguration : BasePluginConfiguration
     /// <summary>
     /// Gets or sets the upper limit (in seconds) on the length of each episode's audio track that will be analyzed when searching for ending credits.
     /// </summary>
-    public int MaximumCreditsDuration { get; set; } = 450;
+    public int MaximumCreditsDuration { get; set; } = 300;
-
-    /// <summary>
-    /// Gets or sets the upper limit (in seconds) on the length of a movie segment that will be analyzed when searching for ending credits.
-    /// </summary>
-    public int MaximumMovieCreditsDuration { get; set; } = 900;
 
     /// <summary>
     /// Gets or sets the minimum percentage of a frame that must consist of black pixels before it is considered a black frame.
@@ -142,68 +118,36 @@ public class PluginConfiguration : BasePluginConfiguration
     /// Gets or sets the regular expression used to detect introduction chapters.
     /// </summary>
     public string ChapterAnalyzerIntroductionPattern { get; set; } =
-        @"(^|\s)(Intro|Introduction|OP|Opening)(?!\sEnd)(\s|$)";
+        @"(^|\s)(Intro|Introduction|OP|Opening)(\s|$)";
 
     /// <summary>
     /// Gets or sets the regular expression used to detect ending credit chapters.
     /// </summary>
     public string ChapterAnalyzerEndCreditsPattern { get; set; } =
-        @"(^|\s)(Credits?|ED|Ending|Outro)(?!\sEnd)(\s|$)";
+        @"(^|\s)(Credits?|ED|Ending|End|Outro)(\s|$)";
-
-    /// <summary>
-    /// Gets or sets the regular expression used to detect Preview chapters.
-    /// </summary>
-    public string ChapterAnalyzerPreviewPattern { get; set; } =
-        @"(^|\s)(Preview|PV|Sneak\s?Peek|Coming\s?(Up|Soon)|Next\s+(time|on|episode)|Extra|Teaser|Trailer)(?!\sEnd)(\s|:|$)";
-
-    /// <summary>
-    /// Gets or sets the regular expression used to detect Recap chapters.
-    /// </summary>
-    public string ChapterAnalyzerRecapPattern { get; set; } =
-        @"(^|\s)(Re?cap|Sum{1,2}ary|Prev(ious(ly)?)?|(Last|Earlier)(\s\w+)?|Catch[ -]up)(?!\sEnd)(\s|:|$)";
 
     // ===== Playback settings =====
 
     /// <summary>
     /// Gets or sets a value indicating whether to show the skip intro button.
     /// </summary>
-    public bool SkipButtonEnabled { get; set; }
+    public bool SkipButtonVisible { get; set; } = true;
 
     /// <summary>
     /// Gets a value indicating whether to show the skip intro warning.
     /// </summary>
     public bool SkipButtonWarning { get => WarningManager.HasFlag(PluginWarning.UnableToAddSkipButton); }
 
-    /// <summary>
-    /// Gets or sets a value indicating whether plugin options are presented to the user.
-    /// </summary>
-    public bool PluginSkip { get; set; }
-
     /// <summary>
     /// Gets or sets a value indicating whether introductions should be automatically skipped.
     /// </summary>
     public bool AutoSkip { get; set; }
 
-    /// <summary>
-    /// Gets or sets the list of segment types to auto skip.
-    /// </summary>
-    public string TypeList { get; set; } = string.Empty;
-
     /// <summary>
     /// Gets or sets a value indicating whether credits should be automatically skipped.
     /// </summary>
     public bool AutoSkipCredits { get; set; }
 
-    /// <summary>
-    /// Gets or sets a value indicating whether recap should be automatically skipped.
-    /// </summary>
-    public bool AutoSkipRecap { get; set; }
-
-    /// <summary>
-    /// Gets or sets a value indicating whether preview should be automatically skipped.
-    /// </summary>
-    public bool AutoSkipPreview { get; set; }
-
     /// <summary>
     /// Gets or sets the seconds before the intro starts to show the skip prompt at.
     /// </summary>
@@ -219,6 +163,11 @@ public class PluginConfiguration : BasePluginConfiguration
     /// </summary>
     public bool SkipFirstEpisode { get; set; } = true;
 
+    /// <summary>
+    /// Gets or sets a value indicating whether the introduction in the last episode of a season should be ignored.
+    /// </summary>
+    public bool SkipLastEpisode { get; set; } = false;
+
     /// <summary>
     /// Gets or sets a value indicating whether the skip button should be displayed for the duration of the intro.
     /// </summary>
@@ -234,6 +183,11 @@ public class PluginConfiguration : BasePluginConfiguration
     /// </summary>
     public int SecondsOfIntroStartToPlay { get; set; }
 
+    /// <summary>
+    /// Gets or sets the amount of credit at start to play (in seconds).
+    /// </summary>
+    public int SecondsOfCreditsStartToPlay { get; set; }
+
     // ===== Internal algorithm settings =====
 
     /// <summary>
@@ -278,25 +232,20 @@ public class PluginConfiguration : BasePluginConfiguration
     /// <summary>
     /// Gets or sets the notification text sent after automatically skipping an introduction.
     /// </summary>
-    public string AutoSkipNotificationText { get; set; } = "Segment skipped";
+    public string AutoSkipNotificationText { get; set; } = "Intro skipped";
 
     /// <summary>
-    /// Gets or sets the max degree of parallelism used when analyzing episodes.
+    /// Gets or sets the notification text sent after automatically skipping credits.
     /// </summary>
-    public int MaxParallelism { get; set; } = 2;
+    public string AutoSkipCreditsNotificationText { get; set; } = "Credits skipped";
 
     /// <summary>
-    /// Gets or sets the number of threads for a ffmpeg process.
+    /// Gets or sets the number of threads for an ffmpeg process.
     /// </summary>
     public int ProcessThreads { get; set; }
 
     /// <summary>
-    /// Gets or sets the relative priority for a ffmpeg process.
+    /// Gets or sets the relative priority for an ffmpeg process.
     /// </summary>
     public ProcessPriorityClass ProcessPriority { get; set; } = ProcessPriorityClass.BelowNormal;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether the ManifestUrl is self-managed, e.g. for mainland China.
-    /// </summary>
-    public bool OverrideManifestUrl { get; set; }
 }

ConfusedPolarBear.Plugin.IntroSkipper/Configuration/UserInterfaceConfiguration.cs

@@ -0,0 +1,28 @@
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+
+/// <summary>
+/// User interface configuration.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="UserInterfaceConfiguration"/> class.
+/// </remarks>
+/// <param name="visible">Skip button visibility.</param>
+/// <param name="introText">Skip button intro text.</param>
+/// <param name="creditsText">Skip button end credits text.</param>
+public class UserInterfaceConfiguration(bool visible, string introText, string creditsText)
+{
+    /// <summary>
+    /// Gets or sets a value indicating whether to show the skip intro button.
+    /// </summary>
+    public bool SkipButtonVisible { get; set; } = visible;
+
+    /// <summary>
+    /// Gets or sets the text to display in the skip intro button in introduction mode.
+    /// </summary>
+    public string SkipButtonIntroText { get; set; } = introText;
+
+    /// <summary>
+    /// Gets or sets the text to display in the skip intro button in end credits mode.
+    /// </summary>
+    public string SkipButtonEndCreditsText { get; set; } = creditsText;
+}

ConfusedPolarBear.Plugin.IntroSkipper/Configuration/inject.js

@@ -0,0 +1,461 @@
+const introSkipper = {
+    originalFetch: window.fetch.bind(window),
+    d: msg => console.debug("[intro skipper] ", msg),
+    setup() {
+        this.initializeState();
+        this.initializeObserver();
+        this.currentOption = localStorage.getItem('introskipperOption') || 'Show Button';
+        document.addEventListener("viewshow", this.viewShow.bind(this));
+        window.fetch = this.fetchWrapper.bind(this);
+        this.videoPositionChanged = this.videoPositionChanged.bind(this);
+        this.handleEscapeKey = this.handleEscapeKey.bind(this);
+        this.d("Registered hooks");
+    },
+    initializeState() {
+        Object.assign(this, { allowEnter: true, skipSegments: {}, videoPlayer: null, skipButton: null, osdElement: null, skipperData: null, currentEpisodeId: null, injectMetadata: false });
+    },
+    initializeObserver() {
+        this.observer = new MutationObserver(mutations => {
+            const actionSheet = mutations[mutations.length - 1].target.querySelector('.actionSheet');
+            if (actionSheet && !actionSheet.querySelector(`[data-id="${'introskipperMenu'}"]`)) this.injectIntroSkipperOptions(actionSheet);
+        });
+    },
+    /** Wrapper around fetch() that retrieves skip segments for the currently playing item or metadata. */
+    async fetchWrapper(resource, options) {
+        const response = await this.originalFetch(resource, options);
+        this.processResource(resource);
+        return response;
+    },
+    async processResource(resource) {
+        try {
+            const url = new URL(resource);
+            const pathname = url.pathname;
+            if (pathname.includes("/PlaybackInfo")) {
+                this.d(`Retrieving skip segments from URL ${pathname}`);
+                const pathArr = pathname.split("/");
+                const id = pathArr[pathArr.indexOf("Items") + 1] || pathArr[3];
+                this.skipSegments = await this.secureFetch(`Episode/${id}/IntroSkipperSegments`);
+                this.d("Retrieved skip segments", this.skipSegments);
+            } else if (this.injectMetadata && pathname.includes("/MetadataEditor")) {
+                this.d(`Metadata editor detected, URL ${pathname}`);
+                const pathArr = pathname.split("/");
+                this.currentEpisodeId = pathArr[pathArr.indexOf("Items") + 1] || pathArr[3];
+                this.skipperData = await this.secureFetch(`Episode/${this.currentEpisodeId}/Timestamps`);
+                if (this.skipperData) {
+                    requestAnimationFrame(() => {
+                        const metadataFormFields = document.querySelector('.metadataFormFields');
+                        metadataFormFields && this.injectSkipperFields(metadataFormFields);
+                    });
+                }
+            }
+        } catch (e) {
+            console.error("Error processing", resource, e);
+        }
+    },
+    /**
+     * Event handler that runs whenever the current view changes.
+     * Used to detect the start of video playback.
+     */
+    viewShow() {
+        const location = window.location.hash;
+        this.d(`Location changed to ${location}`);
+        this.allowEnter = true;
+        this.injectMetadata = /#\/(tv|details|home|search)/.test(location);
+        if (location === "#/video") {
+            this.injectCss();
+            this.injectButton();
+            this.videoPlayer = document.querySelector("video");
+            if (this.videoPlayer) {
+                this.d("Hooking video timeupdate");
+                this.videoPlayer.addEventListener("timeupdate", this.videoPositionChanged);
+                this.osdElement = document.querySelector("div.videoOsdBottom")
+                this.observer.observe(document.body, { childList: true, subtree: false });
+            }
+        }
+        else {
+            this.observer.disconnect();
+        }
+    },
+    /**
+     * Injects the CSS used by the skip intro button.
+     * Calling this function is a no-op if the CSS has already been injected.
+     */
+    injectCss() {
+        if (document.querySelector("style#introSkipperCss")) {
+            this.d("CSS already added");
+            return;
+        }
+        this.d("Adding CSS");
+        const styleElement = document.createElement("style");
+        styleElement.id = "introSkipperCss";
+        styleElement.textContent = `
+            :root {
+                --rounding: 4px;
+                --accent: 0, 164, 220;
+            }
+            #skipIntro.upNextContainer {
+                width: unset;
+                margin: unset;
+            }
+            #skipIntro {
+                position: absolute;
+                bottom: 7.5em;
+                right: 5em;
+                background-color: transparent;
+            }
+            #skipIntro .emby-button {
+                color: #ffffff;
+                font-size: 110%;
+                background: rgba(0, 0, 0, 0.7);
+                border-radius: var(--rounding);
+                box-shadow: 0 0 4px rgba(0, 0, 0, 0.6);
+                transition: opacity 0.3s cubic-bezier(0.4,0,0.2,1),
+                            transform 0.3s cubic-bezier(0.4,0,0.2,1),
+                            background-color 0.2s ease-out,
+                            box-shadow 0.2s ease-out;
+                opacity: 0;
+                transform: translateY(50%);
+            }
+            #skipIntro.show .emby-button {
+                opacity: 1;
+                transform: translateY(0);
+            }
+            #skipIntro .emby-button:hover {
+                background: rgb(var(--accent));
+                box-shadow: 0 0 8px rgba(var(--accent), 0.6);
+                filter: brightness(1.2);
+            }
+            #skipIntro .emby-button:focus {
+                background: rgb(var(--accent));
+                box-shadow: 0 0 8px rgba(var(--accent), 0.6);
+            }
+            #btnSkipSegmentText {
+                letter-spacing: 0.5px;
+                padding: 0 5px 0 5px;
+            }
+        `;
+        document.querySelector("head").appendChild(styleElement);
+    },
+    /**
+     * Inject the skip intro button into the video player.
+     * Calling this function is a no-op if the CSS has already been injected.
+     */
+    async injectButton() {
+        // Ensure the button we're about to inject into the page doesn't conflict with a pre-existing one
+        const preExistingButton = document.querySelector("div.skipIntro");
+        if (preExistingButton) {
+            preExistingButton.style.display = "none";
+        }
+        if (document.querySelector(".btnSkipIntro.injected")) {
+            this.d("Button already added");
+            this.skipButton = document.querySelector("#skipIntro");
+            return;
+        }
+        const config = await this.secureFetch("Intros/UserInterfaceConfiguration");
+        if (!config.SkipButtonVisible) {
+            this.d("Not adding button: not visible");
+            return;
+        }
+        this.d("Adding button");
+        this.skipButton = document.createElement("div");
+        this.skipButton.id = "skipIntro";
+        this.skipButton.classList.add("hide", "upNextContainer");
+        this.skipButton.addEventListener("click", this.doSkip.bind(this));
+        this.skipButton.addEventListener("keydown", this.eventHandler.bind(this));
+        this.skipButton.innerHTML = `
+            <button is="emby-button" type="button" class="btnSkipIntro injected">
+                <span id="btnSkipSegmentText"></span>
+                <span class="material-icons skip_next"></span>
+            </button>
+        `;
+        this.skipButton.dataset.Introduction = config.SkipButtonIntroText;
+        this.skipButton.dataset.Credits = config.SkipButtonEndCreditsText;
+        const controls = document.querySelector("div#videoOsdPage");
+        controls.appendChild(this.skipButton);
+    },
+    /** Tests if the OSD controls are visible. */
+    osdVisible() {
+        return this.osdElement ? !this.osdElement.classList.contains("hide") : false;
+    },
+    /** Get the currently playing skippable segment. */
+    getCurrentSegment(position) {
+        for (const [key, segment] of Object.entries(this.skipSegments)) {
+            if ((position > segment.ShowSkipPromptAt && position < segment.HideSkipPromptAt - 1) ||
+                (this.osdVisible() && position > segment.IntroStart && position < segment.IntroEnd - 1)) {
+                segment.SegmentType = key;
+                return segment;
+            }
+        }
+        return { SegmentType: "None" };
+    },
+    overrideBlur(button) {
+        if (!button.originalBlur) {
+            button.originalBlur = button.blur;
+            button.blur = function() {
+                if (!this.contains(document.activeElement)) {
+                    this.originalBlur();
+                }
+            };
+        }
+    },
+    /** Playback position changed, check if the skip button needs to be displayed. */
+    videoPositionChanged() {
+        if (!this.skipButton) return;
+        const embyButton = this.skipButton.querySelector(".emby-button");
+        const segmentType = this.getCurrentSegment(this.videoPlayer.currentTime).SegmentType;
+        if (segmentType === "None" || this.currentOption === "Off" || !this.allowEnter) {
+            if (this.skipButton.classList.contains('show')) {
+                this.skipButton.classList.remove('show');
+                embyButton.addEventListener("transitionend", () => {
+                    this.skipButton.classList.add("hide");
+                    if (this.osdVisible()) {
+                        this.osdElement.querySelector('button.btnPause').focus();
+                    } else {
+                        embyButton.originalBlur();
+                    }
+                }, { once: true });
+            }
+            return;
+        }
+        if (this.currentOption === "Automatically Skip" || (this.currentOption === "Button w/ auto PiP" && document.pictureInPictureElement)) {
+            this.doSkip();
+            return;
+        }
+        this.skipButton.querySelector("#btnSkipSegmentText").textContent = this.skipButton.dataset[segmentType];
+        if (!this.skipButton.classList.contains("hide")) {
+            if (!this.osdVisible() && !embyButton.contains(document.activeElement)) embyButton.focus();
+            return;
+        }
+        requestAnimationFrame(() => {
+            this.skipButton.classList.remove("hide");
+            requestAnimationFrame(() => {
+                this.skipButton.classList.add('show');
+                this.overrideBlur(embyButton);
+                embyButton.focus();
+            });
+        });
+    },
+    /** Seeks to the end of the intro. */
+    doSkip() {
+        if (!this.allowEnter) return;
+        const segment = this.getCurrentSegment(this.videoPlayer.currentTime);
+        if (segment.SegmentType === "None") {
+            console.warn("[intro skipper] doSkip() called without an active segment");
+            return;
+        }
+        this.d(`Skipping ${segment.SegmentType}`);
+        this.allowEnter = false;
+        const seekedHandler = () => {
+            this.videoPlayer.removeEventListener('seeked', seekedHandler);
+            setTimeout(() => {
+                this.allowEnter = true;
+            }, 500);
+        };
+        this.videoPlayer.addEventListener('seeked', seekedHandler);
+        this.videoPlayer.currentTime = segment.SegmentType === "Credits" && this.videoPlayer.duration - segment.IntroEnd < 3
+            ? this.videoPlayer.duration + 10
+            : segment.IntroEnd;
+    },
+    createButton(ref, id, innerHTML, clickHandler) {
+        const button = ref.cloneNode(true);
+        button.setAttribute('data-id', id);
+        button.innerHTML = innerHTML;
+        button.addEventListener('click', clickHandler);
+        return button;
+    },
+    closeSubmenu(fullscreen) {
+        document.querySelector('.dialogContainer').remove();
+        document.querySelector('.dialogBackdrop').remove()
+        document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Control' }));
+        if (!fullscreen) return;
+        document.removeEventListener('keydown', this.handleEscapeKey);
+        document.querySelector('.btnVideoOsdSettings').focus();
+    },
+    openSubmenu(ref, menu) {
+        const options = ['Show Button', 'Button w/ auto PiP', 'Automatically Skip', 'Off'];
+        const submenu = menu.cloneNode(true);
+        const scroller = submenu.querySelector('.actionSheetScroller');
+        scroller.innerHTML = '';
+        options.forEach(option => {
+            if (option !== 'Button w/ auto PiP' || document.pictureInPictureEnabled) {
+                const button = this.createButton(ref, `introskipper-${option.toLowerCase().replace(' ', '-')}`,
+                                            `<span class="actionsheetMenuItemIcon listItemIcon listItemIcon-transparent material-icons check" aria-hidden="true" style="visibility:${option === this.currentOption ? 'visible' : 'hidden'};"></span><div class="listItemBody actionsheetListItemBody"><div class="listItemBodyText actionSheetItemText">${option}</div></div>`,
+                                            () => this.selectOption(option));
+                scroller.appendChild(button);
+            }
+        });
+        const backdrop = document.createElement('div');
+        backdrop.className = 'dialogBackdrop dialogBackdropOpened';
+        document.body.append(backdrop, submenu);
+        const actionSheet = submenu.querySelector('.actionSheet');
+        if (actionSheet.classList.contains('actionsheet-not-fullscreen')) {
+            this.adjustPosition(actionSheet, document.querySelector('.btnVideoOsdSettings'));
+            submenu.addEventListener('click', () => this.closeSubmenu(false));
+        } else {
+            submenu.querySelector('.btnCloseActionSheet').addEventListener('click', () => this.closeSubmenu(true))
+            scroller.addEventListener('click', () => this.closeSubmenu(true))
+            document.addEventListener('keydown', this.handleEscapeKey);
+            setTimeout(() => scroller.firstElementChild.focus(), 240);
+        }
+    },
+    selectOption(option) {
+        this.currentOption = option;
+        localStorage.setItem('introskipperOption', option);
+        this.d(`Introskipper option selected and saved: ${option}`);
+    },
+    injectIntroSkipperOptions(actionSheet) {
+        if (!this.skipButton) return;
+        const statsButton = actionSheet.querySelector('[data-id="stats"]');
+        if (!statsButton) return;
+        const menuItem = this.createButton(statsButton, 'introskipperMenu',
+                                      `<div class="listItemBody actionsheetListItemBody"><div class="listItemBodyText actionSheetItemText">Intro Skipper</div></div><div class="listItemAside actionSheetItemAsideText">${this.currentOption}</div>`,
+                                      () => this.openSubmenu(statsButton, actionSheet.closest('.dialogContainer')));
+        const originalWidth = actionSheet.offsetWidth;
+        statsButton.before(menuItem);
+        if (actionSheet.classList.contains('actionsheet-not-fullscreen')) this.adjustPosition(actionSheet, menuItem, originalWidth);
+    },
+    adjustPosition(element, reference, originalWidth) {
+        if (originalWidth) {
+            const currentTop = parseInt(element.style.top, 10) || 0;
+            element.style.top = `${currentTop - reference.offsetHeight}px`;
+            const newWidth = Math.max(reference.offsetWidth - originalWidth, 0);
+            const originalLeft = parseInt(element.style.left, 10) || 0;
+            element.style.left = `${originalLeft - newWidth / 2}px`;
+        } else {
+            const rect = reference.getBoundingClientRect();
+            element.style.left = `${Math.min(rect.left - (element.offsetWidth - rect.width) / 2, window.innerWidth - element.offsetWidth - 10)}px`;
+            element.style.top = `${rect.top - element.offsetHeight + rect.height}px`;
+        }
+    },
+    injectSkipperFields(metadataFormFields) {
+        const skipperFields = document.createElement('div');
+        skipperFields.className = 'detailSection introskipperSection';
+        skipperFields.innerHTML = `
+            <h2>Intro Skipper</h2>
+            <div class="inlineForm">
+                <div class="inputContainer">
+                    <label class="inputLabel inputLabelUnfocused" for="introStart">Intro Start</label>
+                    <input type="text" id="introStartDisplay" class="emby-input custom-time-input" readonly>
+                    <input type="number" id="introStartEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
+                </div>
+                <div class="inputContainer">
+                    <label class="inputLabel inputLabelUnfocused" for="introEnd">Intro End</label>
+                    <input type="text" id="introEndDisplay" class="emby-input custom-time-input" readonly>
+                    <input type="number" id="introEndEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
+                </div>
+            </div>
+            <div class="inlineForm">
+                <div class="inputContainer">
+                    <label class="inputLabel inputLabelUnfocused" for="creditsStart">Credits Start</label>
+                    <input type="text" id="creditsStartDisplay" class="emby-input custom-time-input" readonly>
+                    <input type="number" id="creditsStartEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
+                </div>
+                <div class="inputContainer">
+                    <label class="inputLabel inputLabelUnfocused" for="creditsEnd">Credits End</label>
+                    <input type="text" id="creditsEndDisplay" class="emby-input custom-time-input" readonly>
+                    <input type="number" id="creditsEndEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
+                </div>
+            </div>
+        `;
+        metadataFormFields.querySelector('#metadataSettingsCollapsible').insertAdjacentElement('afterend', skipperFields);
+        this.attachSaveListener(metadataFormFields);
+        this.updateSkipperFields(skipperFields);
+        this.setTimeInputs(skipperFields);
+    },
+    updateSkipperFields(skipperFields) {
+        const { Introduction = {}, Credits = {} } = this.skipperData;
+        skipperFields.querySelector('#introStartEdit').value = Introduction.Start || 0;
+        skipperFields.querySelector('#introEndEdit').value = Introduction.End || 0;
+        skipperFields.querySelector('#creditsStartEdit').value = Credits.Start || 0;
+        skipperFields.querySelector('#creditsEndEdit').value = Credits.End || 0;
+    },
+    attachSaveListener(metadataFormFields) {
+        const saveButton = metadataFormFields.querySelector('.formDialogFooter .btnSave');
+        if (saveButton) {
+            saveButton.addEventListener('click', this.saveSkipperData.bind(this));
+        } else {
+            console.error('Save button not found');
+        }
+    },
+    setTimeInputs(skipperFields) {
+        const inputContainers = skipperFields.querySelectorAll('.inputContainer');
+        inputContainers.forEach(container => {
+            const displayInput = container.querySelector('[id$="Display"]');
+            const editInput = container.querySelector('[id$="Edit"]');
+            displayInput.addEventListener('pointerdown', (e) => {
+                e.preventDefault();
+                this.switchToEdit(displayInput, editInput);
+            });
+            editInput.addEventListener('blur', () => this.switchToDisplay(displayInput, editInput));
+            displayInput.value = this.formatTime(parseFloat(editInput.value) || 0);
+        });
+    },
+    formatTime(totalSeconds) {
+        const totalRoundedSeconds = Math.round(totalSeconds);
+        const hours = Math.floor(totalRoundedSeconds / 3600);
+        const minutes = Math.floor((totalRoundedSeconds % 3600) / 60);
+        const seconds = totalRoundedSeconds % 60;
+        let result = [];
+        if (hours > 0) result.push(`${hours} hour${hours !== 1 ? 's' : ''}`);
+        if (minutes > 0) result.push(`${minutes} minute${minutes !== 1 ? 's' : ''}`);
+        if (seconds > 0 || result.length === 0) result.push(`${seconds} second${seconds !== 1 ? 's' : ''}`);
+        return result.join(' ');
+    },
+    switchToEdit(displayInput, editInput) {
+        displayInput.style.display = 'none';
+        editInput.style.display = '';
+        editInput.focus();
+    },
+    switchToDisplay(displayInput, editInput) {
+        editInput.style.display = 'none';
+        displayInput.style.display = '';
+        displayInput.value = this.formatTime(parseFloat(editInput.value) || 0);
+    },
+    async saveSkipperData() {
+        const newTimestamps = {
+            Introduction: {
+                Start: parseFloat(document.getElementById('introStartEdit').value || 0),
+                End: parseFloat(document.getElementById('introEndEdit').value || 0)
+            },
+            Credits: {
+                Start: parseFloat(document.getElementById('creditsStartEdit').value || 0),
+                End: parseFloat(document.getElementById('creditsEndEdit').value || 0)
+            }
+        };
+        const { Introduction = {}, Credits = {} } = this.skipperData;
+        if (newTimestamps.Introduction.Start !== (Introduction.Start || 0) ||
+            newTimestamps.Introduction.End !== (Introduction.End || 0) ||
+            newTimestamps.Credits.Start !== (Credits.Start || 0) ||
+            newTimestamps.Credits.End !== (Credits.End || 0)) {
+            const response = await this.secureFetch(`Episode/${this.currentEpisodeId}/Timestamps`, "POST", JSON.stringify(newTimestamps));
+            this.d(response.ok ? 'Timestamps updated successfully' : 'Failed to update timestamps:', response.status);
+        } else {
+            this.d('Timestamps have not changed, skipping update');
+        }
+    },
+    /** Make an authenticated fetch to the Jellyfin server and parse the response body as JSON. */
+    async secureFetch(url, method = "GET", body = null) {
+        const response = await fetch(`${ApiClient.serverAddress()}/${url}`, {
+            method,
+            headers: Object.assign({ "Authorization": `MediaBrowser Token=${ApiClient.accessToken()}` },
+                method === "POST" ? {"Content-Type": "application/json"} : {}),
+            body });
+        return response.ok ? (method === "POST" ? response : response.json()) :
+            response.status === 404 ? null :
+            console.error(`Error ${response.status} from ${url}`) || null;
+    },
+    /** Handle keydown events. */
+    eventHandler(e) {
+        if (e.key !== "Enter") return;
+        e.stopPropagation();
+        e.preventDefault();
+        this.doSkip();
+    },
+    handleEscapeKey(e) {
+        if (e.key === 'Escape' || e.keyCode === 461 || e.keyCode === 10009) {
+            e.stopPropagation();
+            this.closeSubmenu(true);
+        }
+    }
+};
+introSkipper.setup();

ConfusedPolarBear.Plugin.IntroSkipper/ConfusedPolarBear.Plugin.IntroSkipper.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
-    <RootNamespace>IntroSkipper</RootNamespace>
+    <RootNamespace>ConfusedPolarBear.Plugin.IntroSkipper</RootNamespace>
-    <AssemblyVersion>1.10.10.11</AssemblyVersion>
+    <AssemblyVersion>1.0.0.5</AssemblyVersion>
-    <FileVersion>1.10.10.11</FileVersion>
+    <FileVersion>1.0.0.5</FileVersion>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <Nullable>enable</Nullable>
@@ -11,10 +11,8 @@
     <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Jellyfin.Controller" Version="10.10.*-*" />
+    <PackageReference Include="Jellyfin.Controller" Version="10.*-*" />
-    <PackageReference Include="Jellyfin.Model" Version="10.10.*-*" />
+    <PackageReference Include="Jellyfin.Model" Version="10.*-*" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.11" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.11" />
     <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" />
@@ -25,4 +23,8 @@
     <EmbeddedResource Include="Configuration\visualizer.js" />
     <EmbeddedResource Include="Configuration\inject.js" />
   </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Manager\" />
+    <Folder Include="Services\" />
+  </ItemGroup>
 </Project>

ConfusedPolarBear.Plugin.IntroSkipper/Controllers/SkipIntroController.cs

@@ -0,0 +1,226 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Mime;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using MediaBrowser.Common.Api;
+using MediaBrowser.Controller.Entities.TV;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Controllers;
+
+/// <summary>
+/// Skip intro controller.
+/// </summary>
+[Authorize]
+[ApiController]
+[Produces(MediaTypeNames.Application.Json)]
+public class SkipIntroController : ControllerBase
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SkipIntroController"/> class.
+    /// </summary>
+    public SkipIntroController()
+    {
+    }
+
+    /// <summary>
+    /// Returns the timestamps of the introduction in a television episode. Responses are in API version 1 format.
+    /// </summary>
+    /// <param name="id">ID of the episode. Required.</param>
+    /// <param name="mode">Timestamps to return. Optional. Defaults to Introduction for backwards compatibility.</param>
+    /// <response code="200">Episode contains an intro.</response>
+    /// <response code="404">Failed to find an intro in the provided episode.</response>
+    /// <returns>Detected intro.</returns>
+    [HttpGet("Episode/{id}/IntroTimestamps")]
+    [HttpGet("Episode/{id}/IntroTimestamps/v1")]
+    public ActionResult<Intro> GetIntroTimestamps(
+        [FromRoute] Guid id,
+        [FromQuery] AnalysisMode mode = AnalysisMode.Introduction)
+    {
+        var intro = GetIntro(id, mode);
+
+        if (intro is null || !intro.Valid)
+        {
+            return NotFound();
+        }
+
+        return intro;
+    }
+
+    /// <summary>
+    /// Updates the timestamps for the provided episode.
+    /// </summary>
+    /// <param name="id">Episode ID to update timestamps for.</param>
+    /// <param name="timestamps">New timestamps Introduction/Credits start and end times.</param>
+    /// <response code="204">New timestamps saved.</response>
+    /// <response code="404">Given ID is not an Episode.</response>
+    /// <returns>No content.</returns>
+    [Authorize(Policy = Policies.RequiresElevation)]
+    [HttpPost("Episode/{Id}/Timestamps")]
+    public ActionResult UpdateTimestamps([FromRoute] Guid id, [FromBody] TimeStamps timestamps)
+    {
+        // only update existing episodes
+        var rawItem = Plugin.Instance!.GetItem(id);
+        if (rawItem == null || rawItem is not Episode episode)
+        {
+            return NotFound();
+        }
+
+        if (timestamps?.Introduction.End > 0.0)
+        {
+            var tr = new TimeRange(timestamps.Introduction.Start, timestamps.Introduction.End);
+            Plugin.Instance!.Intros[id] = new Segment(id, tr);
+        }
+
+        if (timestamps?.Credits.End > 0.0)
+        {
+            var cr = new TimeRange(timestamps.Credits.Start, timestamps.Credits.End);
+            Plugin.Instance!.Credits[id] = new Segment(id, cr);
+        }
+
+        Plugin.Instance!.SaveTimestamps(AnalysisMode.Introduction);
+        Plugin.Instance!.SaveTimestamps(AnalysisMode.Credits);
+
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Gets the timestamps for the provided episode.
+    /// </summary>
+    /// <param name="id">Episode ID.</param>
+    /// <response code="200">Sucess.</response>
+    /// <response code="404">Given ID is not an Episode.</response>
+    /// <returns>Episode Timestamps.</returns>
+    [HttpGet("Episode/{Id}/Timestamps")]
+    [ActionName("UpdateTimestamps")]
+    public ActionResult<TimeStamps> GetTimestamps([FromRoute] Guid id)
+    {
+        // only get return content for episodes
+        var rawItem = Plugin.Instance!.GetItem(id);
+        if (rawItem == null || rawItem is not Episode episode)
+        {
+            return NotFound();
+        }
+
+        var times = new TimeStamps();
+        if (Plugin.Instance!.Intros.TryGetValue(id, out var introValue))
+        {
+            times.Introduction = introValue;
+        }
+
+        if (Plugin.Instance!.Credits.TryGetValue(id, out var creditValue))
+        {
+            times.Credits = creditValue;
+        }
+
+        return times;
+    }
+
+    /// <summary>
+    /// Gets a dictionary of all skippable segments.
+    /// </summary>
+    /// <param name="id">Media ID.</param>
+    /// <response code="200">Skippable segments dictionary.</response>
+    /// <returns>Dictionary of skippable segments.</returns>
+    [HttpGet("Episode/{id}/IntroSkipperSegments")]
+    public ActionResult<Dictionary<AnalysisMode, Intro>> GetSkippableSegments([FromRoute] Guid id)
+    {
+        var segments = new Dictionary<AnalysisMode, Intro>();
+
+        if (GetIntro(id, AnalysisMode.Introduction) is Intro intro)
+        {
+            segments[AnalysisMode.Introduction] = intro;
+        }
+
+        if (GetIntro(id, AnalysisMode.Credits) is Intro credits)
+        {
+            segments[AnalysisMode.Credits] = credits;
+        }
+
+        return segments;
+    }
+
+    /// <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)
+    {
+        try
+        {
+            var timestamp = Plugin.GetIntroByMode(id, mode);
+
+            // Operate on a copy to avoid mutating the original Intro object stored in the dictionary.
+            var segment = new Intro(timestamp);
+
+            var config = Plugin.Instance!.Configuration;
+            segment.IntroEnd -= config.RemainingSecondsOfIntro;
+            if (config.PersistSkipButton)
+            {
+                segment.ShowSkipPromptAt = segment.IntroStart;
+                segment.HideSkipPromptAt = segment.IntroEnd;
+            }
+            else
+            {
+                segment.ShowSkipPromptAt = Math.Max(0, segment.IntroStart - config.ShowPromptAdjustment);
+                segment.HideSkipPromptAt = Math.Min(
+                    segment.IntroStart + config.HidePromptAdjustment,
+                    segment.IntroEnd);
+            }
+
+            return segment;
+        }
+        catch (KeyNotFoundException)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// Erases all previously discovered introduction timestamps.
+    /// </summary>
+    /// <param name="mode">Mode.</param>
+    /// <param name="eraseCache">Erase cache.</param>
+    /// <response code="204">Operation successful.</response>
+    /// <returns>No content.</returns>
+    [Authorize(Policy = Policies.RequiresElevation)]
+    [HttpPost("Intros/EraseTimestamps")]
+    public 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();
+        }
+
+        if (eraseCache)
+        {
+            FFmpegWrapper.DeleteCacheFiles(mode);
+        }
+
+        Plugin.Instance!.EpisodeStates.Clear();
+        Plugin.Instance!.SaveTimestamps(mode);
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Gets the user interface configuration.
+    /// </summary>
+    /// <response code="200">UserInterfaceConfiguration returned.</response>
+    /// <returns>UserInterfaceConfiguration.</returns>
+    [HttpGet]
+    [Route("Intros/UserInterfaceConfiguration")]
+    public ActionResult<UserInterfaceConfiguration> GetUserInterfaceConfiguration()
+    {
+        var config = Plugin.Instance!.Configuration;
+        return new UserInterfaceConfiguration(
+            config.SkipButtonVisible,
+            config.SkipButtonIntroText,
+            config.SkipButtonEndCreditsText);
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Controllers/TroubleshootingController.cs

@@ -1,13 +1,10 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Globalization;
 using System.IO;
 using System.Net.Mime;
 using System.Text;
-using IntroSkipper.Data;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
-using IntroSkipper.Helper;
+using ConfusedPolarBear.Plugin.IntroSkipper.Helper;
 using MediaBrowser.Common;
 using MediaBrowser.Common.Api;
 using MediaBrowser.Controller.Library;
@@ -15,7 +12,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
 
-namespace IntroSkipper.Controllers;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Controllers;
 
 /// <summary>
 /// Troubleshooting controller.

ConfusedPolarBear.Plugin.IntroSkipper/Controllers/VisualizationController.cs

@@ -1,22 +1,15 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using System.Net.Mime;
-using System.Threading;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
-using System.Threading.Tasks;
-using IntroSkipper.Data;
-using IntroSkipper.Db;
-using IntroSkipper.Manager;
 using MediaBrowser.Common.Api;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
 
-namespace IntroSkipper.Controllers;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Controllers;
 
 /// <summary>
 /// Audio fingerprint visualization controller. Allows browsing fingerprints on a per episode basis.
@@ -25,15 +18,13 @@ namespace IntroSkipper.Controllers;
 /// Initializes a new instance of the <see cref="VisualizationController"/> class.
 /// </remarks>
 /// <param name="logger">Logger.</param>
-/// <param name="mediaSegmentUpdateManager">Media Segment Update Manager.</param>
 [Authorize(Policy = Policies.RequiresElevation)]
 [ApiController]
 [Produces(MediaTypeNames.Application.Json)]
 [Route("Intros")]
-public class VisualizationController(ILogger<VisualizationController> logger, MediaSegmentUpdateManager mediaSegmentUpdateManager) : ControllerBase
+public class VisualizationController(ILogger<VisualizationController> logger) : ControllerBase
 {
     private readonly ILogger<VisualizationController> _logger = logger;
-    private readonly MediaSegmentUpdateManager _mediaSegmentUpdateManager = mediaSegmentUpdateManager;
 
     /// <summary>
     /// Returns all show names and seasons.
@@ -56,7 +47,7 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
                 var seasonNumber = first.SeasonNumber;
                 if (!showSeasons.TryGetValue(seriesId, out var showInfo))
                 {
-                    showInfo = new ShowInfos { SeriesName = first.SeriesName, ProductionYear = GetProductionYear(seriesId), LibraryName = GetLibraryName(seriesId), IsMovie = first.IsMovie, Seasons = [] };
+                    showInfo = new ShowInfos { SeriesName = first.SeriesName, ProductionYear = GetProductionYear(seriesId), LibraryName = GetLibraryName(seriesId),  Seasons = [] };
                     showSeasons[seriesId] = showInfo;
                 }
 
@@ -74,7 +65,6 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
                     SeriesName = kvp.Value.SeriesName,
                     ProductionYear = kvp.Value.ProductionYear,
                     LibraryName = kvp.Value.LibraryName,
-                    IsMovie = kvp.Value.IsMovie,
                     Seasons = kvp.Value.Seasons
                         .OrderBy(s => s.Value)
                         .ToDictionary(s => s.Key, s => s.Value)
@@ -84,25 +74,49 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
     }
 
     /// <summary>
-    /// Returns the analyzer actions for the provided season.
+    /// Returns the ignore list for the provided season.
     /// </summary>
     /// <param name="seasonId">Season ID.</param>
     /// <returns>List of episode titles.</returns>
-    [HttpGet("AnalyzerActions/{SeasonId}")]
+    [HttpGet("IgnoreListSeason/{SeasonId}")]
-    public ActionResult<IReadOnlyDictionary<AnalysisMode, AnalyzerAction>> GetAnalyzerAction([FromRoute] Guid seasonId)
+    public ActionResult<IgnoreListItem> GetIgnoreListSeason([FromRoute] Guid seasonId)
     {
         if (!Plugin.Instance!.QueuedMediaItems.ContainsKey(seasonId))
         {
             return NotFound();
         }
 
-        var analyzerActions = new Dictionary<AnalysisMode, AnalyzerAction>();
+        if (!Plugin.Instance!.IgnoreList.TryGetValue(seasonId, out _))
-        foreach (var mode in Enum.GetValues<AnalysisMode>())
         {
-            analyzerActions[mode] = Plugin.Instance!.GetAnalyzerAction(seasonId, mode);
+            return new IgnoreListItem(seasonId);
         }
 
-        return Ok(analyzerActions);
+        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))
+        };
     }
 
     /// <summary>
@@ -158,14 +172,16 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
     /// <param name="seriesId">Show ID.</param>
     /// <param name="seasonId">Season ID.</param>
     /// <param name="eraseCache">Erase cache.</param>
-    /// <param name="cancellationToken">Cancellation Token.</param>
     /// <response code="204">Season timestamps erased.</response>
     /// <response code="404">Unable to find season in provided series.</response>
     /// <returns>No content.</returns>
     [HttpDelete("Show/{SeriesId}/{SeasonId}")]
-    public async Task<ActionResult> EraseSeasonAsync([FromRoute] Guid seriesId, [FromRoute] Guid seasonId, [FromQuery] bool eraseCache = false, CancellationToken cancellationToken = default)
+    public ActionResult EraseSeason([FromRoute] Guid seriesId, [FromRoute] Guid seasonId, [FromQuery] bool eraseCache = false)
     {
-        var episodes = Plugin.Instance!.QueuedMediaItems[seasonId];
+        var episodes = Plugin.Instance!.QueuedMediaItems
+            .Where(kvp => kvp.Key == seasonId)
+            .SelectMany(kvp => kvp.Value.Where(e => e.SeriesId == seriesId))
+            .ToList();
 
         if (episodes.Count == 0)
         {
@@ -174,55 +190,99 @@ public class VisualizationController(ILogger<VisualizationController> logger, Me
 
         _logger.LogInformation("Erasing timestamps for series {SeriesId} season {SeasonId} at user request", seriesId, seasonId);
 
-        try
+        foreach (var e in episodes)
         {
-            using var db = new IntroSkipperDbContext(Plugin.Instance!.DbPath);
+            Plugin.Instance!.Intros.TryRemove(e.EpisodeId, out _);
-
+            Plugin.Instance!.Credits.TryRemove(e.EpisodeId, out _);
-            foreach (var episode in episodes)
+            e.State.ResetStates();
-            {
-                cancellationToken.ThrowIfCancellationRequested();
-
-                var existingSegments = db.DbSegment.Where(s => s.ItemId == episode.EpisodeId);
-
-                db.DbSegment.RemoveRange(existingSegments);
-
             if (eraseCache)
             {
-                    await Task.Run(() => FFmpegWrapper.DeleteEpisodeCache(episode.EpisodeId), cancellationToken).ConfigureAwait(false);
+                FFmpegWrapper.DeleteEpisodeCache(e.EpisodeId);
             }
         }
 
-            var seasonInfo = db.DbSeasonInfo.Where(s => s.SeasonId == seasonId);
+        Plugin.Instance!.SaveTimestamps(AnalysisMode.Introduction | AnalysisMode.Credits);
 
-            foreach (var info in seasonInfo)
+        return NoContent();
+    }
+
+    /// <summary>
+    /// Updates the ignore list for the provided season.
+    /// </summary>
+    /// <param name="ignoreListItem">New ignore list items.</param>
+    /// <param name="save">Save the ignore list.</param>
+    /// <returns>No content.</returns>
+    [HttpPost("IgnoreList/UpdateSeason")]
+    public ActionResult UpdateIgnoreListSeason([FromBody] IgnoreListItem ignoreListItem, bool save = true)
     {
-                db.Entry(info).Property(s => s.EpisodeIds).CurrentValue = [];
+        if (!Plugin.Instance!.QueuedMediaItems.ContainsKey(ignoreListItem.SeasonId))
+        {
+            return NotFound();
         }
 
-            await db.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+        if (ignoreListItem.IgnoreIntro || ignoreListItem.IgnoreCredits)
-
-            if (Plugin.Instance.Configuration.UpdateMediaSegments)
         {
-                await _mediaSegmentUpdateManager.UpdateMediaSegmentsAsync(episodes, cancellationToken).ConfigureAwait(false);
+            Plugin.Instance!.IgnoreList.AddOrUpdate(ignoreListItem.SeasonId, ignoreListItem, (_, _) => ignoreListItem);
+        }
+        else
+        {
+            Plugin.Instance!.IgnoreList.TryRemove(ignoreListItem.SeasonId, out _);
+        }
+
+        if (save)
+        {
+            Plugin.Instance!.SaveIgnoreList();
         }
 
         return NoContent();
     }
-        catch (Exception ex)
+
+    /// <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)
     {
-            return StatusCode(500, ex.Message);
+        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 analyzer actions for the provided season.
+    /// Updates the introduction timestamps for the provided episode.
     /// </summary>
-    /// <param name="request">Update analyzer actions request.</param>
+    /// <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("AnalyzerActions/UpdateSeason")]
+    [HttpPost("Episode/{Id}/UpdateIntroTimestamps")]
-    public async Task<ActionResult> UpdateAnalyzerActions([FromBody] UpdateAnalyzerActionsRequest request)
+    [Obsolete("deprecated use Episode/{Id}/Timestamps")]
+    public ActionResult UpdateIntroTimestamps([FromRoute] Guid id, [FromBody] Intro timestamps)
     {
-        await Plugin.Instance!.SetAnalyzerActionAsync(request.Id, request.AnalyzerActions).ConfigureAwait(false);
+        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);
+        }
 
         return NoContent();
     }

ConfusedPolarBear.Plugin.IntroSkipper/Data/AnalysisMode.cs

@@ -0,0 +1,17 @@
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
+
+/// <summary>
+/// Type of media file analysis to perform.
+/// </summary>
+public enum AnalysisMode
+{
+    /// <summary>
+    /// Detect introduction sequences.
+    /// </summary>
+    Introduction,
+
+    /// <summary>
+    /// Detect credits.
+    /// </summary>
+    Credits,
+}

ConfusedPolarBear.Plugin.IntroSkipper/Data/BlackFrame.cs

@@ -1,7 +1,4 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
-// SPDX-License-Identifier: GPL-3.0-only.
-
-namespace IntroSkipper.Data;
 
 /// <summary>
 /// A frame of video that partially (or entirely) consists of black pixels.

ConfusedPolarBear.Plugin.IntroSkipper/Data/EdlAction.cs

@@ -0,0 +1,42 @@
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
+
+/// <summary>
+/// Taken from https://kodi.wiki/view/Edit_decision_list#MPlayer_EDL.
+/// </summary>
+public enum EdlAction
+{
+    /// <summary>
+    /// Do not create EDL files.
+    /// </summary>
+    None = -1,
+
+    /// <summary>
+    /// Completely remove the intro from playback as if it was never in the original video.
+    /// </summary>
+    Cut,
+
+    /// <summary>
+    /// Mute audio, continue playback.
+    /// </summary>
+    Mute,
+
+    /// <summary>
+    /// Inserts a new scene marker.
+    /// </summary>
+    SceneMarker,
+
+    /// <summary>
+    /// Automatically skip the intro once during playback.
+    /// </summary>
+    CommercialBreak,
+
+    /// <summary>
+    /// Show a skip button.
+    /// </summary>
+    Intro,
+
+    /// <summary>
+    /// Show a skip button.
+    /// </summary>
+    Credit,
+}

ConfusedPolarBear.Plugin.IntroSkipper/Data/EpisodeState.cs

@@ -0,0 +1,50 @@
+using System;
+
+namespace ConfusedPolarBear.Plugin.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);
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Data/EpisodeVisualization.cs

@@ -1,9 +1,6 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 
-namespace IntroSkipper.Data;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 /// <summary>
 /// Episode name and internal ID as returned by the visualization controller.

ConfusedPolarBear.Plugin.IntroSkipper/Data/FingerprintException.cs

@@ -1,9 +1,6 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 
-namespace IntroSkipper.Data;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 /// <summary>
 /// Exception raised when an error is encountered analyzing audio.

ConfusedPolarBear.Plugin.IntroSkipper/Data/IgnoreListItem.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace ConfusedPolarBear.Plugin.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,
+        };
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Data/Intro.cs

@@ -1,10 +1,7 @@
-// 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;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 /// <summary>
 /// Result of fingerprinting and analyzing two episodes in a season.

ConfusedPolarBear.Plugin.IntroSkipper/Data/PluginWarning.cs

@@ -1,9 +1,6 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 
-namespace IntroSkipper.Data;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 /// <summary>
 /// Support bundle warning.

ConfusedPolarBear.Plugin.IntroSkipper/Data/QueuedEpisode.cs

@@ -1,9 +1,6 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 
-namespace IntroSkipper.Data;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 /// <summary>
 /// Episode queued for analysis.
@@ -25,16 +22,16 @@ public class QueuedEpisode
     /// </summary>
     public Guid EpisodeId { get; set; }
 
-    /// <summary>
-    /// Gets or sets the season id.
-    /// </summary>
-    public Guid SeasonId { get; set; }
-
     /// <summary>
     /// Gets or sets the series id.
     /// </summary>
     public Guid SeriesId { get; set; }
 
+    /// <summary>
+    /// Gets the state of the episode.
+    /// </summary>
+    public EpisodeState State => Plugin.Instance!.GetState(EpisodeId);
+
     /// <summary>
     /// Gets or sets the full path to episode.
     /// </summary>
@@ -50,16 +47,6 @@ public class QueuedEpisode
     /// </summary>
     public bool IsAnime { get; set; }
 
-    /// <summary>
-    /// Gets or sets a value indicating whether an item is a movie.
-    /// </summary>
-    public bool IsMovie { get; set; }
-
-    /// <summary>
-    /// Gets or sets a value indicating whether an episode has been analyzed.
-    /// </summary>
-    public bool IsAnalyzed { get; set; }
-
     /// <summary>
     /// Gets or sets the timestamp (in seconds) to stop searching for an introduction at.
     /// </summary>

ConfusedPolarBear.Plugin.IntroSkipper/Data/Segment.cs

@@ -1,11 +1,9 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
+using System.Globalization;
 using System.Runtime.Serialization;
 using System.Text.Json.Serialization;
 
-namespace IntroSkipper.Data;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 /// <summary>
 /// Result of fingerprinting and analyzing two episodes in a season.
@@ -33,8 +31,8 @@ public class Segment
     public Segment(Guid episode)
     {
         EpisodeId = episode;
-        Start = 0.0;
+        Start = 0;
-        End = 0.0;
+        End = 0;
     }
 
     /// <summary>
@@ -88,11 +86,29 @@ public class Segment
     /// Gets a value indicating whether this introduction is valid or not.
     /// Invalid results must not be returned through the API.
     /// </summary>
-    public bool Valid => End > 0.0;
+    public bool Valid => End > 0;
 
     /// <summary>
     /// Gets the duration of this intro.
     /// </summary>
     [JsonIgnore]
     public double Duration => End - Start;
+
+    /// <summary>
+    /// Convert this Intro object to a Kodi compatible EDL entry.
+    /// </summary>
+    /// <param name="action">User specified configuration EDL action.</param>
+    /// <returns>String.</returns>
+    public string ToEdl(EdlAction action)
+    {
+        if (action == EdlAction.None)
+        {
+            throw new ArgumentException("Cannot serialize an EdlAction of None");
+        }
+
+        var start = Math.Round(Start, 2);
+        var end = Math.Round(End, 2);
+
+        return string.Format(CultureInfo.InvariantCulture, "{0} {1} {2}", start, end, (int)action);
+    }
 }

ConfusedPolarBear.Plugin.IntroSkipper/Data/ShowInfos.cs

@@ -1,10 +1,7 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Collections.Generic;
 
-namespace IntroSkipper.Data
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Controllers
 {
     /// <summary>
     /// Contains information about a show.
@@ -26,11 +23,6 @@ namespace IntroSkipper.Data
         /// </summary>
         public required string LibraryName { get; set; }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether its a movie.
-        /// </summary>
-        public required bool IsMovie { get; set; }
-
         /// <summary>
         /// Gets the Seasons of the show.
         /// </summary>

ConfusedPolarBear.Plugin.IntroSkipper/Data/TimeRange.cs

@@ -1,9 +1,6 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 
-namespace IntroSkipper.Data;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 #pragma warning disable CA1036 // Override methods on comparable types
 

ConfusedPolarBear.Plugin.IntroSkipper/Data/TimeRangeHelpers.cs

@@ -1,10 +1,7 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+using System;
-// SPDX-License-Identifier: GPL-3.0-only.
-
-using System;
 using System.Collections.Generic;
 
-namespace IntroSkipper.Data;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
 /// <summary>
 /// Time range helpers.

ConfusedPolarBear.Plugin.IntroSkipper/Data/TimeStamps.cs

@@ -1,7 +1,4 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data
-// SPDX-License-Identifier: GPL-3.0-only.
-
-namespace IntroSkipper.Data
 {
     /// <summary>
     /// Result of fingerprinting and analyzing two episodes in a season.
@@ -18,15 +15,5 @@ namespace IntroSkipper.Data
         /// Gets or sets Credits.
         /// </summary>
         public Segment Credits { get; set; } = new Segment();
-
-        /// <summary>
-        /// Gets or sets Recap.
-        /// </summary>
-        public Segment Recap { get; set; } = new Segment();
-
-        /// <summary>
-        /// Gets or sets Preview.
-        /// </summary>
-        public Segment Preview { get; set; } = new Segment();
     }
 }

ConfusedPolarBear.Plugin.IntroSkipper/Data/WarningManager.cs

@@ -1,7 +1,4 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Data;
-// SPDX-License-Identifier: GPL-3.0-only.
-
-namespace IntroSkipper.Data;
 
 /// <summary>
 /// Warning manager.

ConfusedPolarBear.Plugin.IntroSkipper/FFmpegWrapper.cs

@@ -1,6 +1,3 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -9,10 +6,10 @@ using System.Globalization;
 using System.IO;
 using System.Text;
 using System.Text.RegularExpressions;
-using IntroSkipper.Data;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
 using Microsoft.Extensions.Logging;
 
-namespace IntroSkipper;
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
 
 /// <summary>
 /// Wrapper for libchromaprint and the silencedetect filter.
@@ -36,6 +33,8 @@ public static partial class FFmpegWrapper
 
     private static Dictionary<string, string> ChromaprintLogs { get; set; } = [];
 
+    private static ConcurrentDictionary<(Guid Id, AnalysisMode Mode), Dictionary<uint, int>> InvertedIndexCache { get; set; } = new();
+
     /// <summary>
     /// Check that the installed version of ffmpeg supports chromaprint.
     /// </summary>
@@ -132,6 +131,36 @@ public static partial class FFmpegWrapper
         return Fingerprint(episode, mode, start, end);
     }
 
+    /// <summary>
+    /// Transforms a Chromaprint into an inverted index of fingerprint points to the last index it appeared at.
+    /// </summary>
+    /// <param name="id">Episode ID.</param>
+    /// <param name="fingerprint">Chromaprint fingerprint.</param>
+    /// <param name="mode">Mode.</param>
+    /// <returns>Inverted index.</returns>
+    public static Dictionary<uint, int> CreateInvertedIndex(Guid id, uint[] fingerprint, AnalysisMode mode)
+    {
+        if (InvertedIndexCache.TryGetValue((id, mode), out var cached))
+        {
+            return cached;
+        }
+
+        var invIndex = new Dictionary<uint, int>();
+
+        for (int i = 0; i < fingerprint.Length; i++)
+        {
+            // Get the current point.
+            var point = fingerprint[i];
+
+            // Append the current sample's timecode to the collection for this point.
+            invIndex[point] = i;
+        }
+
+        InvertedIndexCache[(id, mode)] = invIndex;
+
+        return invIndex;
+    }
+
     /// <summary>
     /// Detect ranges of silence in the provided episode.
     /// </summary>

ConfusedPolarBear.Plugin.IntroSkipper/Helper/Commit.cs

@@ -1,7 +1,4 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
+namespace ConfusedPolarBear.Plugin.IntroSkipper.Helper
-// SPDX-License-Identifier: GPL-3.0-only.
-
-namespace IntroSkipper.Helper
 {
     /// <summary>
     /// Gets the commit used to build the plugin.

ConfusedPolarBear.Plugin.IntroSkipper/Helper/XmlSerializationHelper.cs

@@ -1,15 +1,12 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Runtime.Serialization;
 using System.Xml;
-using IntroSkipper.Data;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
 
-namespace IntroSkipper.Helper
+namespace ConfusedPolarBear.Plugin.IntroSkipper
 {
     internal sealed class XmlSerializationHelper
     {

ConfusedPolarBear.Plugin.IntroSkipper/Manager/EdlManager.cs

@@ -0,0 +1,123 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
+
+/// <summary>
+/// Update EDL files associated with a list of episodes.
+/// </summary>
+public static class EdlManager
+{
+    private static ILogger? _logger;
+
+    /// <summary>
+    /// Initialize EDLManager with a logger.
+    /// </summary>
+    /// <param name="logger">ILogger.</param>
+    public static void Initialize(ILogger logger)
+    {
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Logs the configuration that will be used during EDL file creation.
+    /// </summary>
+    public static void LogConfiguration()
+    {
+        if (_logger is null)
+        {
+            throw new InvalidOperationException("Logger must not be null");
+        }
+
+        var config = Plugin.Instance!.Configuration;
+
+        if (config.EdlAction == EdlAction.None)
+        {
+            _logger.LogDebug("EDL action: None - taking no further action");
+            return;
+        }
+
+        _logger.LogDebug("EDL action: {Action}", config.EdlAction);
+        _logger.LogDebug("Regenerate EDL files: {Regenerate}", config.RegenerateEdlFiles);
+    }
+
+    /// <summary>
+    /// If the EDL action is set to a value other than None, update EDL files for the provided episodes.
+    /// </summary>
+    /// <param name="episodes">Episodes to update EDL files for.</param>
+    public static void UpdateEDLFiles(IReadOnlyList<QueuedEpisode> episodes)
+    {
+        var regenerate = Plugin.Instance!.Configuration.RegenerateEdlFiles;
+        var action = Plugin.Instance.Configuration.EdlAction;
+        if (action == EdlAction.None)
+        {
+            _logger?.LogDebug("EDL action is set to none, not updating EDL files");
+            return;
+        }
+
+        _logger?.LogDebug("Updating EDL files with action {Action}", action);
+
+        foreach (var episode in episodes)
+        {
+            var id = episode.EpisodeId;
+
+            bool hasIntro = Plugin.Instance!.Intros.TryGetValue(id, out var intro) && intro.Valid;
+            bool hasCredit = Plugin.Instance!.Credits.TryGetValue(id, out var credit) && credit.Valid;
+
+            if (!hasIntro && !hasCredit)
+            {
+                _logger?.LogDebug("Episode {Id} has neither a valid intro nor credit, skipping", id);
+                continue;
+            }
+
+            var edlPath = GetEdlPath(Plugin.Instance.GetItemPath(id));
+
+            _logger?.LogTrace("Episode {Id} has EDL path {Path}", id, edlPath);
+
+            if (!regenerate && File.Exists(edlPath))
+            {
+                _logger?.LogTrace("Refusing to overwrite existing EDL file {Path}", edlPath);
+                continue;
+            }
+
+            var edlContent = string.Empty;
+
+            if (hasIntro)
+            {
+                edlContent += intro?.ToEdl(action);
+            }
+
+            if (hasCredit)
+            {
+                if (edlContent.Length > 0)
+                {
+                    edlContent += Environment.NewLine;
+                }
+
+                if (action == EdlAction.Intro)
+                {
+                    edlContent += credit?.ToEdl(EdlAction.Credit);
+                }
+                else
+                {
+                    edlContent += credit?.ToEdl(action);
+                }
+            }
+
+            File.WriteAllText(edlPath, edlContent);
+        }
+    }
+
+    /// <summary>
+    /// Given the path to an episode, return the path to the associated EDL file.
+    /// </summary>
+    /// <param name="mediaPath">Full path to episode.</param>
+    /// <returns>Full path to EDL file.</returns>
+    public static string GetEdlPath(string mediaPath)
+    {
+        return Path.ChangeExtension(mediaPath, "edl");
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Manager/QueueManager.cs

@@ -0,0 +1,296 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using Jellyfin.Data.Enums;
+using Jellyfin.Extensions;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Library;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
+
+/// <summary>
+/// Manages enqueuing library items for analysis.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="QueueManager"/> class.
+/// </remarks>
+/// <param name="logger">Logger.</param>
+/// <param name="libraryManager">Library manager.</param>
+public class QueueManager(ILogger<QueueManager> logger, ILibraryManager libraryManager)
+{
+    private readonly ILibraryManager _libraryManager = libraryManager;
+    private readonly ILogger<QueueManager> _logger = logger;
+    private readonly Dictionary<Guid, List<QueuedEpisode>> _queuedEpisodes = [];
+    private double _analysisPercent;
+    private List<string> _selectedLibraries = [];
+    private bool _selectAllLibraries;
+
+    /// <summary>
+    /// Gets all media items on the server.
+    /// </summary>
+    /// <returns>Queued media items.</returns>
+    public IReadOnlyDictionary<Guid, List<QueuedEpisode>> GetMediaItems()
+    {
+        Plugin.Instance!.TotalQueued = 0;
+
+        LoadAnalysisSettings();
+
+        // For all selected libraries, enqueue all contained episodes.
+        foreach (var folder in _libraryManager.GetVirtualFolders())
+        {
+            // If libraries have been selected for analysis, ensure this library was selected.
+            if (!_selectAllLibraries && !_selectedLibraries.Contains(folder.Name))
+            {
+                _logger.LogDebug("Not analyzing library \"{Name}\": not selected by user", folder.Name);
+                continue;
+            }
+
+            _logger.LogInformation("Running enqueue of items in library {Name}", folder.Name);
+
+            // Some virtual folders don't have a proper item id.
+            if (!Guid.TryParse(folder.ItemId, out var folderId))
+            {
+                continue;
+            }
+
+            try
+            {
+                QueueLibraryContents(folderId);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError("Failed to enqueue items from library {Name}: {Exception}", folder.Name, ex);
+            }
+        }
+
+        Plugin.Instance.TotalSeasons = _queuedEpisodes.Count;
+        Plugin.Instance.QueuedMediaItems.Clear();
+        foreach (var kvp in _queuedEpisodes)
+        {
+            Plugin.Instance.QueuedMediaItems.TryAdd(kvp.Key, kvp.Value);
+        }
+
+        return _queuedEpisodes;
+    }
+
+    /// <summary>
+    /// Loads the list of libraries which have been selected for analysis and the minimum intro duration.
+    /// Settings which have been modified from the defaults are logged.
+    /// </summary>
+    private void LoadAnalysisSettings()
+    {
+        var config = Plugin.Instance!.Configuration;
+
+        // Store the analysis percent
+        _analysisPercent = Convert.ToDouble(config.AnalysisPercent) / 100;
+
+        _selectAllLibraries = config.SelectAllLibraries;
+
+        if (!_selectAllLibraries)
+        {
+            // Get the list of library names which have been selected for analysis, ignoring whitespace and empty entries.
+            _selectedLibraries = [.. config.SelectedLibraries.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)];
+
+            // If any libraries have been selected for analysis, log their names.
+            _logger.LogInformation("Limiting analysis to the following libraries: {Selected}", _selectedLibraries);
+        }
+        else
+        {
+            _logger.LogDebug("Not limiting analysis by library name");
+        }
+
+        // If analysis settings have been changed from the default, log the modified settings.
+        if (config.AnalysisLengthLimit != 10 || config.AnalysisPercent != 25 || config.MinimumIntroDuration != 15)
+        {
+            _logger.LogInformation(
+                "Analysis settings have been changed to: {Percent}% / {Minutes}m and a minimum of {Minimum}s",
+                config.AnalysisPercent,
+                config.AnalysisLengthLimit,
+                config.MinimumIntroDuration);
+        }
+    }
+
+    private void QueueLibraryContents(Guid id)
+    {
+        _logger.LogDebug("Constructing anonymous internal query");
+
+        var query = new InternalItemsQuery
+        {
+            // Order by series name, season, and then episode number so that status updates are logged in order
+            ParentId = id,
+            OrderBy = [(ItemSortBy.SeriesSortName, SortOrder.Ascending), (ItemSortBy.ParentIndexNumber, SortOrder.Descending), (ItemSortBy.IndexNumber, SortOrder.Ascending),],
+            IncludeItemTypes = [BaseItemKind.Episode],
+            Recursive = true,
+            IsVirtualItem = false
+        };
+
+        var items = _libraryManager.GetItemList(query, false);
+
+        if (items is null)
+        {
+            _logger.LogError("Library query result is null");
+            return;
+        }
+
+        // Queue all episodes on the server for fingerprinting.
+        _logger.LogDebug("Iterating through library items");
+
+        foreach (var item in items)
+        {
+            if (item is not Episode episode)
+            {
+                _logger.LogDebug("Item {Name} is not an episode", item.Name);
+                continue;
+            }
+
+            QueueEpisode(episode);
+        }
+
+        _logger.LogDebug("Queued {Count} episodes", items.Count);
+    }
+
+    private void QueueEpisode(Episode episode)
+    {
+        var pluginInstance = Plugin.Instance ?? throw new InvalidOperationException("Plugin instance was null");
+
+        if (string.IsNullOrEmpty(episode.Path))
+        {
+            _logger.LogWarning(
+                "Not queuing episode \"{Name}\" from series \"{Series}\" ({Id}) as no path was provided by Jellyfin",
+                episode.Name,
+                episode.SeriesName,
+                episode.Id);
+            return;
+        }
+
+        // Allocate a new list for each new season
+        var seasonId = GetSeasonId(episode);
+        if (!_queuedEpisodes.TryGetValue(seasonId, out var seasonEpisodes))
+        {
+            seasonEpisodes = [];
+            _queuedEpisodes[seasonId] = seasonEpisodes;
+        }
+
+        if (seasonEpisodes.Any(e => e.EpisodeId == episode.Id))
+        {
+            _logger.LogDebug(
+                "\"{Name}\" from series \"{Series}\" ({Id}) is already queued",
+                episode.Name,
+                episode.SeriesName,
+                episode.Id);
+            return;
+        }
+
+        var isAnime = seasonEpisodes.FirstOrDefault()?.IsAnime ??
+            (pluginInstance.GetItem(episode.SeriesId) is Series series &&
+                (series.Tags.Contains("anime", StringComparison.OrdinalIgnoreCase) ||
+                series.Genres.Contains("anime", StringComparison.OrdinalIgnoreCase)));
+
+        // Limit analysis to the first X% of the episode and at most Y minutes.
+        // X and Y default to 25% and 10 minutes.
+        var duration = TimeSpan.FromTicks(episode.RunTimeTicks ?? 0).TotalSeconds;
+        var fingerprintDuration = Math.Min(
+            duration >= 5 * 60 ? duration * _analysisPercent : duration,
+            60 * pluginInstance.Configuration.AnalysisLengthLimit);
+
+        // Queue the episode for analysis
+        var maxCreditsDuration = pluginInstance.Configuration.MaximumCreditsDuration;
+        seasonEpisodes.Add(new QueuedEpisode
+        {
+            SeriesName = episode.SeriesName,
+            SeasonNumber = episode.AiredSeasonNumber ?? 0,
+            SeriesId = episode.SeriesId,
+            EpisodeId = episode.Id,
+            Name = episode.Name,
+            IsAnime = isAnime,
+            Path = episode.Path,
+            Duration = Convert.ToInt32(duration),
+            IntroFingerprintEnd = Convert.ToInt32(fingerprintDuration),
+            CreditsFingerprintStart = Convert.ToInt32(duration - maxCreditsDuration),
+        });
+
+        pluginInstance.TotalQueued++;
+    }
+
+    private Guid GetSeasonId(Episode episode)
+    {
+        if (episode.ParentIndexNumber == 0 && episode.AiredSeasonNumber != 0) // In-season special
+        {
+            foreach (var kvp in _queuedEpisodes)
+            {
+                var first = kvp.Value.FirstOrDefault();
+                if (first?.SeriesId == episode.SeriesId &&
+                    first.SeasonNumber == episode.AiredSeasonNumber)
+                {
+                    return kvp.Key;
+                }
+            }
+        }
+
+        return episode.SeasonId;
+    }
+
+    /// <summary>
+    /// Verify that a collection of queued media items still exist in Jellyfin and in storage.
+    /// This is done to ensure that we don't analyze items that were deleted between the call to GetMediaItems() and popping them from the queue.
+    /// </summary>
+    /// <param name="candidates">Queued media items.</param>
+    /// <param name="modes">Analysis mode.</param>
+    /// <returns>Media items that have been verified to exist in Jellyfin and in storage.</returns>
+    public (IReadOnlyList<QueuedEpisode> VerifiedItems, IReadOnlyCollection<AnalysisMode> RequiredModes)
+        VerifyQueue(IReadOnlyList<QueuedEpisode> candidates, IReadOnlyCollection<AnalysisMode> modes)
+    {
+        var verified = new List<QueuedEpisode>();
+        var reqModes = new HashSet<AnalysisMode>();
+
+        foreach (var candidate in candidates)
+        {
+            try
+            {
+                var path = Plugin.Instance!.GetItemPath(candidate.EpisodeId);
+
+                if (!File.Exists(path))
+                {
+                    continue;
+                }
+
+                verified.Add(candidate);
+
+                foreach (var mode in modes)
+                {
+                    if (candidate.State.IsAnalyzed(mode) || candidate.State.IsBlacklisted(mode))
+                    {
+                        continue;
+                    }
+
+                    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);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogDebug(
+                    "Skipping analysis of {Name} ({Id}): {Exception}",
+                    candidate.Name,
+                    candidate.EpisodeId,
+                    ex);
+            }
+        }
+
+        return (verified, reqModes);
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Plugin.cs

@@ -0,0 +1,503 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using MediaBrowser.Common;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Plugins;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Plugins;
+using MediaBrowser.Model.Serialization;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
+
+/// <summary>
+/// Intro skipper plugin. Uses audio analysis to find common sequences of audio shared between episodes.
+/// </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;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="Plugin"/> class.
+    /// </summary>
+    /// <param name="applicationHost">Application host.</param>
+    /// <param name="applicationPaths">Instance of the <see cref="IApplicationPaths"/> interface.</param>
+    /// <param name="xmlSerializer">Instance of the <see cref="IXmlSerializer"/> interface.</param>
+    /// <param name="serverConfiguration">Server configuration manager.</param>
+    /// <param name="libraryManager">Library manager.</param>
+    /// <param name="itemRepository">Item repository.</param>
+    /// <param name="logger">Logger.</param>
+    public Plugin(
+        IApplicationHost applicationHost,
+        IApplicationPaths applicationPaths,
+        IXmlSerializer xmlSerializer,
+        IServerConfigurationManager serverConfiguration,
+        ILibraryManager libraryManager,
+        IItemRepository itemRepository,
+        ILogger<Plugin> logger)
+        : base(applicationPaths, xmlSerializer)
+    {
+        Instance = this;
+
+        _applicationHost = applicationHost;
+        _libraryManager = libraryManager;
+        _itemRepository = itemRepository;
+        _logger = logger;
+
+        FFmpegPath = serverConfiguration.GetEncodingOptions().EncoderAppPathDisplay;
+
+        ArgumentNullException.ThrowIfNull(applicationPaths);
+
+        var pluginDirName = "introskipper";
+        var pluginCachePath = "chromaprints";
+
+        var introsDirectory = Path.Join(applicationPaths.DataPath, pluginDirName);
+        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");
+
+        // Create the base & cache directories (if needed).
+        if (!Directory.Exists(FingerprintCachePath))
+        {
+            Directory.CreateDirectory(FingerprintCachePath);
+        }
+
+        // migrate from XMLSchema to DataContract
+        XmlSerializationHelper.MigrateXML(_introPath);
+        XmlSerializationHelper.MigrateXML(_creditsPath);
+
+        // TODO: remove when https://github.com/jellyfin/jellyfin-meta/discussions/30 is complete
+        try
+        {
+            RestoreTimestamps();
+        }
+        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);
+        }
+
+        // Inject the skip intro button code into the web interface.
+        try
+        {
+            InjectSkipButton(applicationPaths.WebPath);
+        }
+        catch (Exception ex)
+        {
+            WarningManager.SetFlag(PluginWarning.UnableToAddSkipButton);
+
+            _logger.LogError("Failed to add skip button to web interface. See https://github.com/intro-skipper/intro-skipper/wiki/Troubleshooting#skip-button-is-not-visible for the most common issues. Error: {Error}", ex);
+        }
+
+        FFmpegWrapper.CheckFFmpegVersion();
+    }
+
+    /// <summary>
+    /// Gets the results of fingerprinting all episodes.
+    /// </summary>
+    public ConcurrentDictionary<Guid, Segment> Intros { get; } = new();
+
+    /// <summary>
+    /// Gets all discovered ending credits.
+    /// </summary>
+    public ConcurrentDictionary<Guid, Segment> Credits { get; } = new();
+
+    /// <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>
+    public int TotalQueued { get; set; }
+
+    /// <summary>
+    /// Gets or sets the number of seasons in the queue.
+    /// </summary>
+    public int TotalSeasons { get; set; }
+
+    /// <summary>
+    /// Gets the directory to cache fingerprints in.
+    /// </summary>
+    public string FingerprintCachePath { get; private set; }
+
+    /// <summary>
+    /// Gets the full path to FFmpeg.
+    /// </summary>
+    public string FFmpegPath { get; private set; }
+
+    /// <inheritdoc />
+    public override string Name => "Intro Skipper";
+
+    /// <inheritdoc />
+    public override Guid Id => Guid.Parse("c83d86bb-a1e0-4c35-a113-e2101cf4ee6b");
+
+    /// <summary>
+    /// Gets the plugin instance.
+    /// </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()
+    {
+        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);
+            }
+        }
+
+        if (File.Exists(_creditsPath))
+        {
+            var creditList = XmlSerializationHelper.DeserializeFromXml<Segment>(_creditsPath);
+
+            foreach (var credit in creditList)
+            {
+                Instance!.Credits.TryAdd(credit.EpisodeId, credit);
+            }
+        }
+    }
+
+    /// <inheritdoc />
+    public IEnumerable<PluginPageInfo> GetPages()
+    {
+        return
+        [
+            new PluginPageInfo
+            {
+                Name = Name,
+                EmbeddedResourcePath = GetType().Namespace + ".Configuration.configPage.html"
+            },
+            new PluginPageInfo
+            {
+                Name = "visualizer.js",
+                EmbeddedResourcePath = GetType().Namespace + ".Configuration.visualizer.js"
+            },
+            new PluginPageInfo
+            {
+                Name = "skip-intro-button.js",
+                EmbeddedResourcePath = GetType().Namespace + ".Configuration.inject.js"
+            }
+        ];
+    }
+
+    /// <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;
+    }
+
+    internal IReadOnlyList<Folder> GetCollectionFolders(Guid id)
+    {
+        var item = GetItem(id);
+        return item is not null ? _libraryManager.GetCollectionFolders(item) : [];
+    }
+
+    /// <summary>
+    /// Gets the full path for an item.
+    /// </summary>
+    /// <param name="id">Item id.</param>
+    /// <returns>Full path to item.</returns>
+    internal string GetItemPath(Guid id)
+    {
+        var item = GetItem(id);
+        if (item == null)
+        {
+            // Handle the case where the item is not found
+            _logger.LogWarning("Item with ID {Id} not found.", id);
+            return string.Empty;
+        }
+
+        return item.Path;
+    }
+
+    /// <summary>
+    /// Gets all chapters for this item.
+    /// </summary>
+    /// <param name="id">Item id.</param>
+    /// <returns>List of chapters.</returns>
+    internal List<ChapterInfo> GetChapters(Guid id)
+    {
+        var item = GetItem(id);
+        if (item == null)
+        {
+            // Handle the case where the item is not found
+            _logger.LogWarning("Item with ID {Id} not found.", id);
+            return [];
+        }
+
+        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)
+    {
+        foreach (var intro in newTimestamps)
+        {
+            if (mode == AnalysisMode.Introduction)
+            {
+                Instance!.Intros.AddOrUpdate(intro.Key, intro.Value, (key, oldValue) => intro.Value);
+            }
+            else if (mode == AnalysisMode.Credits)
+            {
+                 Instance!.Credits.AddOrUpdate(intro.Key, intro.Value, (key, oldValue) => intro.Value);
+            }
+        }
+
+        SaveTimestamps(mode);
+    }
+
+    internal void CleanTimestamps(HashSet<Guid> validEpisodeIds)
+    {
+        var allKeys = new HashSet<Guid>(Instance!.Intros.Keys);
+        allKeys.UnionWith(Instance!.Credits.Keys);
+
+        foreach (var key in allKeys)
+        {
+            if (!validEpisodeIds.Contains(key))
+            {
+                Instance!.Intros.TryRemove(key, out _);
+                Instance!.Credits.TryRemove(key, out _);
+            }
+        }
+
+        SaveTimestamps(AnalysisMode.Introduction);
+        SaveTimestamps(AnalysisMode.Credits);
+    }
+
+    /// <summary>
+    /// Inject the skip button script into the web interface.
+    /// </summary>
+    /// <param name="webPath">Full path to index.html.</param>
+    private void InjectSkipButton(string webPath)
+    {
+        string searchPattern = "dashboard-dashboard.*.chunk.js";
+        string[] filePaths = Directory.GetFiles(webPath, searchPattern, SearchOption.TopDirectoryOnly);
+        string pattern = @"buildVersion""\)\.innerText=""(?<buildVersion>\d+\.\d+\.\d+)"",.*?webVersion""\)\.innerText=""(?<webVersion>\d+\.\d+\.\d+)";
+        string buildVersionString = "unknow";
+        string webVersionString = "unknow";
+        // Create a Regex object
+        Regex regex = new Regex(pattern);
+
+        // should be only one file but this safer
+        foreach (var file in filePaths)
+        {
+            string dashBoardText = File.ReadAllText(file);
+            // Perform the match
+            Match match = regex.Match(dashBoardText);
+            // search for buildVersion and webVersion
+            if (match.Success)
+            {
+                buildVersionString = match.Groups["buildVersion"].Value;
+                webVersionString = match.Groups["webVersion"].Value;
+                _logger.LogInformation("Found jellyfin-web <{WebVersion}>", webVersionString);
+                break;
+            }
+        }
+
+        if (webVersionString != "unknow")
+        {
+            // append Revision
+            webVersionString += ".0";
+            if (Version.TryParse(webVersionString, out var webversion))
+            {
+                if (_applicationHost.ApplicationVersion != webversion)
+                {
+                    _logger.LogWarning("The jellyfin-web <{WebVersion}> NOT compatible with Jellyfin <{JellyfinVersion}>", webVersionString, _applicationHost.ApplicationVersion);
+                }
+                else
+                {
+                    _logger.LogInformation("The jellyfin-web <{WebVersion}> compatible with Jellyfin <{JellyfinVersion}>", webVersionString, _applicationHost.ApplicationVersion);
+                }
+            }
+        }
+
+        // search for controllers/playback/video/index.html
+        searchPattern = "playback-video-index-html.*.chunk.js";
+        filePaths = Directory.GetFiles(webPath, searchPattern, SearchOption.TopDirectoryOnly);
+
+        // should be only one file but this safer
+        foreach (var file in filePaths)
+        {
+            // search for class btnSkipIntro
+            if (File.ReadAllText(file).Contains("btnSkipIntro", StringComparison.OrdinalIgnoreCase))
+            {
+                _logger.LogInformation("Found a modified version of jellyfin-web with built-in skip button support.");
+                return;
+            }
+        }
+
+        // Inject the skip intro button code into the web interface.
+        string indexPath = Path.Join(webPath, "index.html");
+
+        // Parts of this code are based off of JellyScrub's script injection code.
+        // https://github.com/nicknsy/jellyscrub/blob/main/Nick.Plugin.Jellyscrub/JellyscrubPlugin.cs#L38
+
+        _logger.LogDebug("Reading index.html from {Path}", indexPath);
+        string contents = File.ReadAllText(indexPath);
+
+        // change URL with every relase to prevent the Browers from caching
+        string scriptTag = "<script src=\"configurationpage?name=skip-intro-button.js&release=" + GetType().Assembly.GetName().Version + "\"></script>";
+
+        // Only inject the script tag once
+        if (contents.Contains(scriptTag, StringComparison.OrdinalIgnoreCase))
+        {
+            _logger.LogInformation("The skip button has already been injected.");
+            return;
+        }
+
+        // remove old version if necessary
+        pattern = @"<script src=""configurationpage\?name=skip-intro-button\.js.*<\/script>";
+        contents = Regex.Replace(contents, pattern, string.Empty, RegexOptions.IgnoreCase);
+
+        // Inject a link to the script at the end of the <head> section.
+        // A regex is used here to ensure the replacement is only done once.
+        Regex headEnd = new Regex(@"</head>", RegexOptions.IgnoreCase, TimeSpan.FromSeconds(1));
+        contents = headEnd.Replace(contents, scriptTag + "</head>", 1);
+
+        // Write the modified file contents
+        File.WriteAllText(indexPath, contents);
+
+        _logger.LogInformation("Skip button added successfully.");
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/PluginServiceRegistrator.cs

@@ -1,14 +1,8 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
-using IntroSkipper.Manager;
-using IntroSkipper.Providers;
-using IntroSkipper.Services;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Plugins;
 using Microsoft.Extensions.DependencyInjection;
 
-namespace IntroSkipper
+namespace ConfusedPolarBear.Plugin.IntroSkipper
 {
     /// <summary>
     /// Register Intro Skipper services.
@@ -19,9 +13,8 @@ namespace IntroSkipper
         public void RegisterServices(IServiceCollection serviceCollection, IServerApplicationHost applicationHost)
         {
             serviceCollection.AddHostedService<AutoSkip>();
+            serviceCollection.AddHostedService<AutoSkipCredits>();
             serviceCollection.AddHostedService<Entrypoint>();
-            serviceCollection.AddSingleton<IMediaSegmentProvider, SegmentProvider>();
-            serviceCollection.AddSingleton<MediaSegmentUpdateManager>();
         }
     }
 }

ConfusedPolarBear.Plugin.IntroSkipper/ScheduledTasks/BaseItemAnalyzerTask.cs

@@ -0,0 +1,245 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Analyzers;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using MediaBrowser.Controller.Library;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.ScheduledTasks;
+
+/// <summary>
+/// Common code shared by all media item analyzer tasks.
+/// </summary>
+public class BaseItemAnalyzerTask
+{
+    private readonly IReadOnlyCollection<AnalysisMode> _analysisModes;
+
+    private readonly ILogger _logger;
+
+    private readonly ILoggerFactory _loggerFactory;
+
+    private readonly ILibraryManager _libraryManager;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="BaseItemAnalyzerTask"/> class.
+    /// </summary>
+    /// <param name="modes">Analysis mode.</param>
+    /// <param name="logger">Task logger.</param>
+    /// <param name="loggerFactory">Logger factory.</param>
+    /// <param name="libraryManager">Library manager.</param>
+    public BaseItemAnalyzerTask(
+        IReadOnlyCollection<AnalysisMode> modes,
+        ILogger logger,
+        ILoggerFactory loggerFactory,
+        ILibraryManager libraryManager)
+    {
+        _analysisModes = modes;
+        _logger = logger;
+        _loggerFactory = loggerFactory;
+        _libraryManager = libraryManager;
+
+        if (Plugin.Instance!.Configuration.EdlAction != EdlAction.None)
+        {
+            EdlManager.Initialize(_logger);
+        }
+    }
+
+    /// <summary>
+    /// Analyze all media items on the server.
+    /// </summary>
+    /// <param name="progress">Progress.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <param name="seasonsToAnalyze">Season Ids to analyze.</param>
+    public void AnalyzeItems(
+        IProgress<double> progress,
+        CancellationToken cancellationToken,
+        IReadOnlyCollection<Guid>? seasonsToAnalyze = null)
+    {
+        var ffmpegValid = FFmpegWrapper.CheckFFmpegVersion();
+        // Assert that ffmpeg with chromaprint is installed
+        if (Plugin.Instance!.Configuration.UseChromaprint && !ffmpegValid)
+        {
+            throw new FingerprintException(
+                "Analysis terminated! Chromaprint is not enabled in the current ffmpeg. If Jellyfin is running natively, install jellyfin-ffmpeg5. If Jellyfin is running in a container, upgrade to version 10.8.0 or newer.");
+        }
+
+        var queueManager = new QueueManager(
+            _loggerFactory.CreateLogger<QueueManager>(),
+            _libraryManager);
+
+        var queue = queueManager.GetMediaItems();
+
+        // Filter the queue based on seasonsToAnalyze
+        if (seasonsToAnalyze is { Count: > 0 })
+        {
+            queue = queue.Where(kvp => seasonsToAnalyze.Contains(kvp.Key)).ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
+        }
+
+        int totalQueued = queue.Sum(kvp => kvp.Value.Count) * _analysisModes.Count;
+        if (totalQueued == 0)
+        {
+            throw new FingerprintException(
+                "No libraries selected for analysis. Please visit the plugin settings to configure.");
+        }
+
+        if (Plugin.Instance!.Configuration.EdlAction != EdlAction.None)
+        {
+            EdlManager.LogConfiguration();
+        }
+
+        var totalProcessed = 0;
+        var options = new ParallelOptions
+        {
+            MaxDegreeOfParallelism = Plugin.Instance.Configuration.MaxParallelism
+        };
+
+        Parallel.ForEach(queue, options, season =>
+        {
+            var writeEdl = false;
+
+            // Since the first run of the task can run for multiple hours, ensure that none
+            // 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());
+
+            if (episodes.Count == 0)
+            {
+                return;
+            }
+
+            var first = episodes[0];
+            if (requiredModes.Count == 0)
+            {
+                _logger.LogDebug(
+                    "All episodes in {Name} season {Season} have already been analyzed",
+                    first.SeriesName,
+                    first.SeasonNumber);
+
+                Interlocked.Add(ref totalProcessed, episodes.Count * _analysisModes.Count); // Update total Processed directly
+                progress.Report(totalProcessed * 100 / totalQueued);
+
+                return;
+            }
+
+            if (_analysisModes.Count != requiredModes.Count)
+            {
+                Interlocked.Add(ref totalProcessed, episodes.Count);
+                progress.Report(totalProcessed * 100 / totalQueued); // Partial analysis some modes have already been analyzed
+            }
+
+            try
+            {
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    return;
+                }
+
+                foreach (AnalysisMode mode in requiredModes)
+                {
+                    var analyzed = AnalyzeItems(episodes, mode, cancellationToken);
+                    Interlocked.Add(ref totalProcessed, analyzed);
+
+                    writeEdl = analyzed > 0 || Plugin.Instance.Configuration.RegenerateEdlFiles;
+
+                    progress.Report(totalProcessed * 100 / totalQueued);
+                }
+            }
+            catch (FingerprintException ex)
+            {
+                _logger.LogWarning(
+                    "Unable to analyze {Series} season {Season}: unable to fingerprint: {Ex}",
+                    first.SeriesName,
+                    first.SeasonNumber,
+                    ex);
+            }
+
+            if (writeEdl && Plugin.Instance.Configuration.EdlAction != EdlAction.None)
+            {
+                EdlManager.UpdateEDLFiles(episodes);
+            }
+        });
+
+        if (Plugin.Instance.Configuration.RegenerateEdlFiles)
+        {
+            _logger.LogInformation("Turning EDL file regeneration flag off");
+            Plugin.Instance.Configuration.RegenerateEdlFiles = false;
+            Plugin.Instance.SaveConfiguration();
+        }
+    }
+
+    /// <summary>
+    /// Analyze a group of media items for skippable segments.
+    /// </summary>
+    /// <param name="items">Media items to analyze.</param>
+    /// <param name="mode">Analysis mode.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>Number of items that were successfully analyzed.</returns>
+    private int AnalyzeItems(
+        IReadOnlyList<QueuedEpisode> items,
+        AnalysisMode mode,
+        CancellationToken cancellationToken)
+    {
+        var totalItems = items.Count;
+
+        // Only analyze specials (season 0) if the user has opted in.
+        var first = items[0];
+        if (first.SeasonNumber == 0 && !Plugin.Instance!.Configuration.AnalyzeSeasonZero)
+        {
+            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,
+            items.Count,
+            first.SeriesName,
+            first.SeasonNumber);
+
+        var analyzers = new Collection<IMediaFileAnalyzer>
+        {
+            new ChapterAnalyzer(_loggerFactory.CreateLogger<ChapterAnalyzer>())
+        };
+
+        if (first.IsAnime && Plugin.Instance!.Configuration.UseChromaprint)
+        {
+            analyzers.Add(new ChromaprintAnalyzer(_loggerFactory.CreateLogger<ChromaprintAnalyzer>()));
+        }
+
+        if (mode == AnalysisMode.Credits)
+        {
+            analyzers.Add(new BlackFrameAnalyzer(_loggerFactory.CreateLogger<BlackFrameAnalyzer>()));
+        }
+
+        if (!first.IsAnime && Plugin.Instance!.Configuration.UseChromaprint)
+        {
+            analyzers.Add(new ChromaprintAnalyzer(_loggerFactory.CreateLogger<ChromaprintAnalyzer>()));
+        }
+
+        // Use each analyzer to find skippable ranges in all media files, removing successfully
+        // analyzed items from the queue.
+        foreach (var analyzer in analyzers)
+        {
+            items = analyzer.AnalyzeMediaFiles(items, mode, cancellationToken);
+        }
+
+        // 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;
+        }
+
+        return totalItems;
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/ScheduledTasks/CleanCacheTask.cs

@@ -1,18 +1,14 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using IntroSkipper.Manager;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
 
-namespace IntroSkipper.ScheduledTasks;
+namespace ConfusedPolarBear.Plugin.IntroSkipper.ScheduledTasks;
 
 /// <summary>
 /// Analyze all television episodes for introduction sequences.
@@ -69,7 +65,7 @@ public class CleanCacheTask : IScheduledTask
     /// <param name="progress">Task progress.</param>
     /// <param name="cancellationToken">Cancellation token.</param>
     /// <returns>Task.</returns>
-    public async Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
+    public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
     {
         if (_libraryManager is null)
         {
@@ -82,17 +78,24 @@ public class CleanCacheTask : IScheduledTask
 
         // Retrieve media items and get valid episode IDs
         var queue = queueManager.GetMediaItems();
-        var validEpisodeIds = queue.Values
+        var validEpisodeIds = new HashSet<Guid>(queue.Values.SelectMany(episodes => episodes.Select(e => e.EpisodeId)));
-            .SelectMany(episodes => episodes.Select(e => e.EpisodeId))
-            .ToHashSet();
 
-        await Plugin.Instance!.CleanTimestamps(validEpisodeIds).ConfigureAwait(false);
+        Plugin.Instance!.CleanTimestamps(validEpisodeIds);
 
         // Identify invalid episode IDs
         var invalidEpisodeIds = Directory.EnumerateFiles(Plugin.Instance!.FingerprintCachePath)
-            .Select(filePath => Path.GetFileNameWithoutExtension(filePath).Split('-')[0])
+            .Select(filePath =>
-            .Where(episodeIdStr => Guid.TryParse(episodeIdStr, out var episodeId) && !validEpisodeIds.Contains(episodeId))
+            {
-            .Select(Guid.Parse)
+                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>()
             .ToHashSet();
 
         // Delete cache files for invalid episode IDs
@@ -102,12 +105,31 @@ public class CleanCacheTask : IScheduledTask
             FFmpegWrapper.DeleteEpisodeCache(episodeId);
         }
 
-        // Clean up Season information by removing items that are no longer exist.
+        // Clean up ignore list by removing items that are no longer exist..
-        await Plugin.Instance!.CleanSeasonInfoAsync(queue.Keys).ConfigureAwait(false);
+        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 _);
+            }
+        }
 
-        Plugin.Instance!.AnalyzeAgain = true;
+        // 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);
+            }
+        }
 
-        progress.Report(100);
+        return Task.CompletedTask;
     }
 
     /// <summary>

ConfusedPolarBear.Plugin.IntroSkipper/ScheduledTasks/DetectCreditsTask.cs

@@ -0,0 +1,107 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Threading;
+using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Tasks;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.ScheduledTasks;
+
+/// <summary>
+/// Analyze all television episodes for credits.
+/// TODO: analyze all media files.
+/// </summary>
+public class DetectCreditsTask : IScheduledTask
+{
+    private readonly ILogger<DetectCreditsTask> _logger;
+
+    private readonly ILoggerFactory _loggerFactory;
+
+    private readonly ILibraryManager _libraryManager;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DetectCreditsTask"/> class.
+    /// </summary>
+    /// <param name="loggerFactory">Logger factory.</param>
+    /// <param name="libraryManager">Library manager.</param>
+    /// <param name="logger">Logger.</param>
+    public DetectCreditsTask(
+        ILogger<DetectCreditsTask> logger,
+        ILoggerFactory loggerFactory,
+        ILibraryManager libraryManager)
+    {
+        _logger = logger;
+        _loggerFactory = loggerFactory;
+        _libraryManager = libraryManager;
+    }
+
+    /// <summary>
+    /// Gets the task name.
+    /// </summary>
+    public string Name => "Detect Credits";
+
+    /// <summary>
+    /// Gets the task category.
+    /// </summary>
+    public string Category => "Intro Skipper";
+
+    /// <summary>
+    /// Gets the task description.
+    /// </summary>
+    public string Description => "Analyzes media to determine the timestamp and length of credits";
+
+    /// <summary>
+    /// Gets the task key.
+    /// </summary>
+    public string Key => "CPBIntroSkipperDetectCredits";
+
+    /// <summary>
+    /// Analyze all episodes in the queue. Only one instance of this task should be run at a time.
+    /// </summary>
+    /// <param name="progress">Task progress.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>Task.</returns>
+    public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
+    {
+        if (_libraryManager is null)
+        {
+            throw new InvalidOperationException("Library manager was null");
+        }
+
+        // abort automatic analyzer if running
+        if (Entrypoint.AutomaticTaskState == TaskState.Running || Entrypoint.AutomaticTaskState == TaskState.Cancelling)
+        {
+            _logger.LogInformation("Automatic Task is {0} and will be canceled.", Entrypoint.AutomaticTaskState);
+            Entrypoint.CancelAutomaticTask(cancellationToken);
+        }
+
+        using (ScheduledTaskSemaphore.Acquire(cancellationToken))
+        {
+            _logger.LogInformation("Scheduled Task is starting");
+
+            var modes = new List<AnalysisMode> { AnalysisMode.Credits };
+
+            var baseCreditAnalyzer = new BaseItemAnalyzerTask(
+                modes,
+                _loggerFactory.CreateLogger<DetectCreditsTask>(),
+                _loggerFactory,
+                _libraryManager);
+
+            baseCreditAnalyzer.AnalyzeItems(progress, cancellationToken);
+
+            return Task.CompletedTask;
+        }
+    }
+
+    /// <summary>
+    /// Get task triggers.
+    /// </summary>
+    /// <returns>Task triggers.</returns>
+    public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+    {
+        return [];
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/ScheduledTasks/DetectIntrosCreditsTask.cs

@@ -0,0 +1,113 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Threading;
+using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Tasks;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.ScheduledTasks;
+
+/// <summary>
+/// Analyze all television episodes for introduction sequences.
+/// </summary>
+public class DetectIntrosCreditsTask : IScheduledTask
+{
+    private readonly ILogger<DetectIntrosCreditsTask> _logger;
+
+    private readonly ILoggerFactory _loggerFactory;
+
+    private readonly ILibraryManager _libraryManager;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DetectIntrosCreditsTask"/> class.
+    /// </summary>
+    /// <param name="loggerFactory">Logger factory.</param>
+    /// <param name="libraryManager">Library manager.</param>
+    /// <param name="logger">Logger.</param>
+    public DetectIntrosCreditsTask(
+        ILogger<DetectIntrosCreditsTask> logger,
+        ILoggerFactory loggerFactory,
+        ILibraryManager libraryManager)
+    {
+        _logger = logger;
+        _loggerFactory = loggerFactory;
+        _libraryManager = libraryManager;
+    }
+
+    /// <summary>
+    /// Gets the task name.
+    /// </summary>
+    public string Name => "Detect Intros and Credits";
+
+    /// <summary>
+    /// Gets the task category.
+    /// </summary>
+    public string Category => "Intro Skipper";
+
+    /// <summary>
+    /// Gets the task description.
+    /// </summary>
+    public string Description => "Analyzes media to determine the timestamp and length of intros and credits.";
+
+    /// <summary>
+    /// Gets the task key.
+    /// </summary>
+    public string Key => "CPBIntroSkipperDetectIntrosCredits";
+
+    /// <summary>
+    /// Analyze all episodes in the queue. Only one instance of this task should be run at a time.
+    /// </summary>
+    /// <param name="progress">Task progress.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>Task.</returns>
+    public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
+    {
+        if (_libraryManager is null)
+        {
+            throw new InvalidOperationException("Library manager was null");
+        }
+
+        // abort automatic analyzer if running
+        if (Entrypoint.AutomaticTaskState == TaskState.Running || Entrypoint.AutomaticTaskState == TaskState.Cancelling)
+        {
+            _logger.LogInformation("Automatic Task is {0} and will be canceled.", Entrypoint.AutomaticTaskState);
+            Entrypoint.CancelAutomaticTask(cancellationToken);
+        }
+
+        using (ScheduledTaskSemaphore.Acquire(cancellationToken))
+        {
+            _logger.LogInformation("Scheduled Task is starting");
+
+            var modes = new List<AnalysisMode> { AnalysisMode.Introduction, AnalysisMode.Credits };
+
+            var baseIntroAnalyzer = new BaseItemAnalyzerTask(
+                modes,
+                _loggerFactory.CreateLogger<DetectIntrosCreditsTask>(),
+                _loggerFactory,
+                _libraryManager);
+
+            baseIntroAnalyzer.AnalyzeItems(progress, cancellationToken);
+
+            return Task.CompletedTask;
+        }
+    }
+
+    /// <summary>
+    /// Get task triggers.
+    /// </summary>
+    /// <returns>Task triggers.</returns>
+    public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+    {
+        return
+        [
+            new TaskTriggerInfo
+            {
+                Type = TaskTriggerInfo.TriggerDaily,
+                TimeOfDayTicks = TimeSpan.FromHours(0).Ticks
+            }
+        ];
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/ScheduledTasks/DetectIntrosTask.cs

@@ -0,0 +1,106 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Threading;
+using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Tasks;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.ScheduledTasks;
+
+/// <summary>
+/// Analyze all television episodes for introduction sequences.
+/// </summary>
+public class DetectIntrosTask : IScheduledTask
+{
+    private readonly ILogger<DetectIntrosTask> _logger;
+
+    private readonly ILoggerFactory _loggerFactory;
+
+    private readonly ILibraryManager _libraryManager;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DetectIntrosTask"/> class.
+    /// </summary>
+    /// <param name="loggerFactory">Logger factory.</param>
+    /// <param name="libraryManager">Library manager.</param>
+    /// <param name="logger">Logger.</param>
+    public DetectIntrosTask(
+        ILogger<DetectIntrosTask> logger,
+        ILoggerFactory loggerFactory,
+        ILibraryManager libraryManager)
+    {
+        _logger = logger;
+        _loggerFactory = loggerFactory;
+        _libraryManager = libraryManager;
+    }
+
+    /// <summary>
+    /// Gets the task name.
+    /// </summary>
+    public string Name => "Detect Intros";
+
+    /// <summary>
+    /// Gets the task category.
+    /// </summary>
+    public string Category => "Intro Skipper";
+
+    /// <summary>
+    /// Gets the task description.
+    /// </summary>
+    public string Description => "Analyzes media to determine the timestamp and length of intros.";
+
+    /// <summary>
+    /// Gets the task key.
+    /// </summary>
+    public string Key => "CPBIntroSkipperDetectIntroductions";
+
+    /// <summary>
+    /// Analyze all episodes in the queue. Only one instance of this task should be run at a time.
+    /// </summary>
+    /// <param name="progress">Task progress.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>Task.</returns>
+    public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
+    {
+        if (_libraryManager is null)
+        {
+            throw new InvalidOperationException("Library manager was null");
+        }
+
+        // abort automatic analyzer if running
+        if (Entrypoint.AutomaticTaskState == TaskState.Running || Entrypoint.AutomaticTaskState == TaskState.Cancelling)
+        {
+            _logger.LogInformation("Automatic Task is {0} and will be canceled.", Entrypoint.AutomaticTaskState);
+            Entrypoint.CancelAutomaticTask(cancellationToken);
+        }
+
+        using (ScheduledTaskSemaphore.Acquire(cancellationToken))
+        {
+            _logger.LogInformation("Scheduled Task is starting");
+
+            var modes = new List<AnalysisMode> { AnalysisMode.Introduction };
+
+            var baseIntroAnalyzer = new BaseItemAnalyzerTask(
+                modes,
+                _loggerFactory.CreateLogger<DetectIntrosTask>(),
+                _loggerFactory,
+                _libraryManager);
+
+            baseIntroAnalyzer.AnalyzeItems(progress, cancellationToken);
+
+            return Task.CompletedTask;
+        }
+    }
+
+    /// <summary>
+    /// Get task triggers.
+    /// </summary>
+    /// <returns>Task triggers.</returns>
+    public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+    {
+        return [];
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/ScheduledTasks/ScheduledTaskSemaphore.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Threading;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper.ScheduledTasks;
+
+internal sealed class ScheduledTaskSemaphore : IDisposable
+{
+    private static readonly SemaphoreSlim _semaphore = new(1, 1);
+
+    private ScheduledTaskSemaphore()
+    {
+    }
+
+    public static IDisposable Acquire(CancellationToken cancellationToken)
+    {
+        _semaphore.Wait(cancellationToken);
+        return new ScheduledTaskSemaphore();
+    }
+
+    public void Dispose()
+    {
+        _semaphore.Release();
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Services/AutoSkip.cs

@@ -0,0 +1,236 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Timers;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Session;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Plugins;
+using MediaBrowser.Model.Session;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Timer = System.Timers.Timer;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
+
+/// <summary>
+/// Automatically skip past introduction sequences.
+/// Commands clients to seek to the end of the intro as soon as they start playing it.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="AutoSkip"/> class.
+/// </remarks>
+/// <param name="userDataManager">User data manager.</param>
+/// <param name="sessionManager">Session manager.</param>
+/// <param name="logger">Logger.</param>
+public class AutoSkip(
+    IUserDataManager userDataManager,
+    ISessionManager sessionManager,
+    ILogger<AutoSkip> logger) : IHostedService, IDisposable
+{
+    private readonly object _sentSeekCommandLock = new();
+
+    private ILogger<AutoSkip> _logger = logger;
+    private IUserDataManager _userDataManager = userDataManager;
+    private ISessionManager _sessionManager = sessionManager;
+    private Timer _playbackTimer = new(1000);
+    private Dictionary<string, bool> _sentSeekCommand = [];
+    private HashSet<string> _clientList = [];
+
+    private void AutoSkipChanged(object? sender, BasePluginConfiguration e)
+    {
+        var configuration = (PluginConfiguration)e;
+        _clientList = [.. configuration.ClientList.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)];
+        var newState = configuration.AutoSkip || (configuration.SkipButtonVisible && _clientList.Count > 0);
+        _logger.LogDebug("Setting playback timer enabled to {NewState}", newState);
+        _playbackTimer.Enabled = newState;
+    }
+
+    private void UserDataManager_UserDataSaved(object? sender, UserDataSaveEventArgs e)
+    {
+        var itemId = e.Item.Id;
+        var newState = false;
+        var episodeNumber = e.Item.IndexNumber.GetValueOrDefault(-1);
+
+        // Ignore all events except playback start & end
+        if (e.SaveReason != UserDataSaveReason.PlaybackStart && e.SaveReason != UserDataSaveReason.PlaybackFinished)
+        {
+            return;
+        }
+
+        // Lookup the session for this item.
+        SessionInfo? session = null;
+
+        try
+        {
+            foreach (var needle in _sessionManager.Sessions)
+            {
+                if (needle.UserId == e.UserId && needle.NowPlayingItem.Id == itemId)
+                {
+                    session = needle;
+                    break;
+                }
+            }
+
+            if (session == null)
+            {
+                _logger.LogInformation("Unable to find session for {Item}", itemId);
+                return;
+            }
+        }
+        catch (Exception ex) when (ex is NullReferenceException || ex is ResourceNotFoundException)
+        {
+            return;
+        }
+
+        // If this is the first episode in the season, and SkipFirstEpisode is true, pretend that we've already sent the seek command for this playback session.
+        if (Plugin.Instance!.Configuration.SkipFirstEpisode && episodeNumber == 1)
+        {
+            newState = true;
+        }
+
+        // If this is the last episode in the season, and SkipLastEpisode is true, pretend that we've already sent the seek command for this playback session.
+        if (Plugin.Instance!.Configuration.SkipLastEpisode && episodeNumber == 1)
+        {
+            newState = true;
+        }
+
+        // Reset the seek command state for this device.
+        lock (_sentSeekCommandLock)
+        {
+            var device = session.DeviceId;
+
+            _logger.LogDebug("Resetting seek command state for session {Session}", device);
+            _sentSeekCommand[device] = newState;
+        }
+    }
+
+    private void PlaybackTimer_Elapsed(object? sender, ElapsedEventArgs e)
+    {
+        foreach (var session in _sessionManager.Sessions.Where(s => Plugin.Instance!.Configuration.AutoSkip || (Plugin.Instance!.Configuration.SkipButtonVisible && _clientList.Contains(s.Client, StringComparer.OrdinalIgnoreCase))))
+        {
+            var deviceId = session.DeviceId;
+            var itemId = session.NowPlayingItem.Id;
+            var position = session.PlayState.PositionTicks / TimeSpan.TicksPerSecond;
+
+            // Don't send the seek command more than once in the same session.
+            lock (_sentSeekCommandLock)
+            {
+                if (_sentSeekCommand.TryGetValue(deviceId, out var sent) && sent)
+                {
+                    _logger.LogTrace("Already sent seek command for session {Session}", deviceId);
+                    continue;
+                }
+            }
+
+            // Assert that an intro was detected for this item.
+            if (!Plugin.Instance!.Intros.TryGetValue(itemId, out var intro) || !intro.Valid)
+            {
+                continue;
+            }
+
+            // Seek is unreliable if called at the very start of an episode.
+            var adjustedStart = Math.Max(1, intro.Start + Plugin.Instance.Configuration.SecondsOfIntroStartToPlay);
+            var adjustedEnd = intro.End - Plugin.Instance.Configuration.RemainingSecondsOfIntro;
+
+            _logger.LogTrace(
+                "Playback position is {Position}, intro runs from {Start} to {End}",
+                position,
+                adjustedStart,
+                adjustedEnd);
+
+            if (position < adjustedStart || position > adjustedEnd)
+            {
+                continue;
+            }
+
+            // Notify the user that an introduction is being skipped for them.
+            var notificationText = Plugin.Instance.Configuration.AutoSkipNotificationText;
+            if (!string.IsNullOrWhiteSpace(notificationText))
+            {
+                _sessionManager.SendMessageCommand(
+                session.Id,
+                session.Id,
+                new MessageCommand
+                {
+                    Header = string.Empty,      // some clients require header to be a string instead of null
+                    Text = notificationText,
+                    TimeoutMs = 2000,
+                },
+                CancellationToken.None);
+            }
+
+            _logger.LogDebug("Sending seek command to {Session}", deviceId);
+
+            _sessionManager.SendPlaystateCommand(
+                session.Id,
+                session.Id,
+                new PlaystateRequest
+                {
+                    Command = PlaystateCommand.Seek,
+                    ControllingUserId = session.UserId.ToString(),
+                    SeekPositionTicks = (long)adjustedEnd * TimeSpan.TicksPerSecond,
+                },
+                CancellationToken.None);
+
+            // Flag that we've sent the seek command so that it's not sent repeatedly
+            lock (_sentSeekCommandLock)
+            {
+                _logger.LogTrace("Setting seek command state for session {Session}", deviceId);
+                _sentSeekCommand[deviceId] = true;
+            }
+        }
+    }
+
+    /// <summary>
+    /// Dispose.
+    /// </summary>
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    /// <summary>
+    /// Protected dispose.
+    /// </summary>
+    /// <param name="disposing">Dispose.</param>
+    protected virtual void Dispose(bool disposing)
+    {
+        if (!disposing)
+        {
+            return;
+        }
+
+        _playbackTimer.Stop();
+        _playbackTimer.Dispose();
+    }
+
+    /// <inheritdoc />
+    public Task StartAsync(CancellationToken cancellationToken)
+    {
+        _logger.LogDebug("Setting up automatic skipping");
+
+        _userDataManager.UserDataSaved += UserDataManager_UserDataSaved;
+        Plugin.Instance!.ConfigurationChanged += AutoSkipChanged;
+
+        // Make the timer restart automatically and set enabled to match the configuration value.
+        _playbackTimer.AutoReset = true;
+        _playbackTimer.Elapsed += PlaybackTimer_Elapsed;
+
+        AutoSkipChanged(null, Plugin.Instance.Configuration);
+
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        _userDataManager.UserDataSaved -= UserDataManager_UserDataSaved;
+        return Task.CompletedTask;
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Services/AutoSkipCredits.cs

@@ -0,0 +1,230 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Timers;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Session;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Plugins;
+using MediaBrowser.Model.Session;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Timer = System.Timers.Timer;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
+
+/// <summary>
+/// Automatically skip past credit sequences.
+/// Commands clients to seek to the end of the credits as soon as they start playing it.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="AutoSkipCredits"/> class.
+/// </remarks>
+/// <param name="userDataManager">User data manager.</param>
+/// <param name="sessionManager">Session manager.</param>
+/// <param name="logger">Logger.</param>
+public class AutoSkipCredits(
+    IUserDataManager userDataManager,
+    ISessionManager sessionManager,
+    ILogger<AutoSkipCredits> logger) : IHostedService, IDisposable
+{
+    private readonly object _sentSeekCommandLock = new();
+
+    private ILogger<AutoSkipCredits> _logger = logger;
+    private IUserDataManager _userDataManager = userDataManager;
+    private ISessionManager _sessionManager = sessionManager;
+    private Timer _playbackTimer = new(1000);
+    private Dictionary<string, bool> _sentSeekCommand = [];
+    private HashSet<string> _clientList = [];
+
+    private void AutoSkipCreditChanged(object? sender, BasePluginConfiguration e)
+    {
+        var configuration = (PluginConfiguration)e;
+        _clientList = [.. configuration.ClientList.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)];
+        var newState = configuration.AutoSkipCredits || (configuration.SkipButtonVisible && _clientList.Count > 0);
+        _logger.LogDebug("Setting playback timer enabled to {NewState}", newState);
+        _playbackTimer.Enabled = newState;
+    }
+
+    private void UserDataManager_UserDataSaved(object? sender, UserDataSaveEventArgs e)
+    {
+        var itemId = e.Item.Id;
+        var newState = false;
+        var episodeNumber = e.Item.IndexNumber.GetValueOrDefault(-1);
+
+        // Ignore all events except playback start & end
+        if (e.SaveReason != UserDataSaveReason.PlaybackStart && e.SaveReason != UserDataSaveReason.PlaybackFinished)
+        {
+            return;
+        }
+
+        // Lookup the session for this item.
+        SessionInfo? session = null;
+
+        try
+        {
+            foreach (var needle in _sessionManager.Sessions)
+            {
+                if (needle.UserId == e.UserId && needle.NowPlayingItem.Id == itemId)
+                {
+                    session = needle;
+                    break;
+                }
+            }
+
+            if (session == null)
+            {
+                _logger.LogInformation("Unable to find session for {Item}", itemId);
+                return;
+            }
+        }
+        catch (Exception ex) when (ex is NullReferenceException || ex is ResourceNotFoundException)
+        {
+            return;
+        }
+
+        // If this is the first episode in the season, and SkipFirstEpisode is false, pretend that we've already sent the seek command for this playback session.
+        if (Plugin.Instance!.Configuration.SkipFirstEpisode && episodeNumber == 1)
+        {
+            newState = true;
+        }
+
+        // Reset the seek command state for this device.
+        lock (_sentSeekCommandLock)
+        {
+            var device = session.DeviceId;
+
+            _logger.LogDebug("Resetting seek command state for session {Session}", device);
+            _sentSeekCommand[device] = newState;
+        }
+    }
+
+    private void PlaybackTimer_Elapsed(object? sender, ElapsedEventArgs e)
+    {
+        foreach (var session in _sessionManager.Sessions.Where(s => Plugin.Instance!.Configuration.AutoSkipCredits || (Plugin.Instance!.Configuration.SkipButtonVisible && _clientList.Contains(s.Client, StringComparer.OrdinalIgnoreCase))))
+        {
+            var deviceId = session.DeviceId;
+            var itemId = session.NowPlayingItem.Id;
+            var position = session.PlayState.PositionTicks / TimeSpan.TicksPerSecond;
+
+            // Don't send the seek command more than once in the same session.
+            lock (_sentSeekCommandLock)
+            {
+                if (_sentSeekCommand.TryGetValue(deviceId, out var sent) && sent)
+                {
+                    _logger.LogTrace("Already sent seek command for session {Session}", deviceId);
+                    continue;
+                }
+            }
+
+            // Assert that credits were detected for this item.
+            if (!Plugin.Instance!.Credits.TryGetValue(itemId, out var credit) || !credit.Valid)
+            {
+                continue;
+            }
+
+            // Seek is unreliable if called at the very end of an episode.
+            var adjustedStart = credit.Start + Plugin.Instance.Configuration.SecondsOfCreditsStartToPlay;
+            var adjustedEnd = credit.End - Plugin.Instance.Configuration.RemainingSecondsOfIntro;
+
+            _logger.LogTrace(
+                "Playback position is {Position}, credits run from {Start} to {End}",
+                position,
+                adjustedStart,
+                adjustedEnd);
+
+            if (position < adjustedStart || position > adjustedEnd)
+            {
+                continue;
+            }
+
+            // Notify the user that credits are being skipped for them.
+            var notificationText = Plugin.Instance!.Configuration.AutoSkipCreditsNotificationText;
+            if (!string.IsNullOrWhiteSpace(notificationText))
+            {
+                _sessionManager.SendMessageCommand(
+                session.Id,
+                session.Id,
+                new MessageCommand
+                {
+                    Header = string.Empty,      // some clients require header to be a string instead of null
+                    Text = notificationText,
+                    TimeoutMs = 2000,
+                },
+                CancellationToken.None);
+            }
+
+            _logger.LogDebug("Sending seek command to {Session}", deviceId);
+
+            _sessionManager.SendPlaystateCommand(
+                session.Id,
+                session.Id,
+                new PlaystateRequest
+                {
+                    Command = PlaystateCommand.Seek,
+                    ControllingUserId = session.UserId.ToString(),
+                    SeekPositionTicks = (long)adjustedEnd * TimeSpan.TicksPerSecond,
+                },
+                CancellationToken.None);
+
+            // Flag that we've sent the seek command so that it's not sent repeatedly
+            lock (_sentSeekCommandLock)
+            {
+                _logger.LogTrace("Setting seek command state for session {Session}", deviceId);
+                _sentSeekCommand[deviceId] = true;
+            }
+        }
+    }
+
+    /// <summary>
+    /// Dispose.
+    /// </summary>
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    /// <summary>
+    /// Protected dispose.
+    /// </summary>
+    /// <param name="disposing">Dispose.</param>
+    protected virtual void Dispose(bool disposing)
+    {
+        if (!disposing)
+        {
+            return;
+        }
+
+        _playbackTimer.Stop();
+        _playbackTimer.Dispose();
+    }
+
+    /// <inheritdoc />
+    public Task StartAsync(CancellationToken cancellationToken)
+    {
+        _logger.LogDebug("Setting up automatic credit skipping");
+
+        _userDataManager.UserDataSaved += UserDataManager_UserDataSaved;
+        Plugin.Instance!.ConfigurationChanged += AutoSkipCreditChanged;
+
+        // Make the timer restart automatically and set enabled to match the configuration value.
+        _playbackTimer.AutoReset = true;
+        _playbackTimer.Elapsed += PlaybackTimer_Elapsed;
+
+        AutoSkipCreditChanged(null, Plugin.Instance.Configuration);
+
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        _userDataManager.UserDataSaved -= UserDataManager_UserDataSaved;
+        return Task.CompletedTask;
+    }
+}

ConfusedPolarBear.Plugin.IntroSkipper/Services/Entrypoint.cs

@@ -0,0 +1,322 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using ConfusedPolarBear.Plugin.IntroSkipper.Configuration;
+using ConfusedPolarBear.Plugin.IntroSkipper.Data;
+using ConfusedPolarBear.Plugin.IntroSkipper.ScheduledTasks;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Tasks;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace ConfusedPolarBear.Plugin.IntroSkipper;
+
+/// <summary>
+/// Server entrypoint.
+/// </summary>
+public sealed class Entrypoint : IHostedService, IDisposable
+{
+    private readonly ITaskManager _taskManager;
+    private readonly ILibraryManager _libraryManager;
+    private readonly ILogger<Entrypoint> _logger;
+    private readonly ILoggerFactory _loggerFactory;
+    private readonly HashSet<Guid> _seasonsToAnalyze = [];
+    private readonly Timer _queueTimer;
+    private readonly PluginConfiguration _config;
+    private static readonly ManualResetEventSlim _autoTaskCompletEvent = new(false);
+    private bool _analyzeAgain;
+    private static CancellationTokenSource? _cancellationTokenSource;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="Entrypoint"/> class.
+    /// </summary>
+    /// <param name="libraryManager">Library manager.</param>
+    /// <param name="taskManager">Task manager.</param>
+    /// <param name="logger">Logger.</param>
+    /// <param name="loggerFactory">Logger factory.</param>
+    public Entrypoint(
+        ILibraryManager libraryManager,
+        ITaskManager taskManager,
+        ILogger<Entrypoint> logger,
+        ILoggerFactory loggerFactory)
+    {
+        _libraryManager = libraryManager;
+        _taskManager = taskManager;
+        _logger = logger;
+        _loggerFactory = loggerFactory;
+
+        _config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
+        _queueTimer = new Timer(
+                OnTimerCallback,
+                null,
+                Timeout.InfiniteTimeSpan,
+                Timeout.InfiniteTimeSpan);
+    }
+
+    /// <summary>
+    /// Gets State of the automatic task.
+    /// </summary>
+    public static TaskState AutomaticTaskState
+    {
+        get
+        {
+            if (_cancellationTokenSource is not null)
+            {
+                return _cancellationTokenSource.IsCancellationRequested
+                        ? TaskState.Cancelling
+                        : TaskState.Running;
+            }
+
+            return TaskState.Idle;
+        }
+    }
+
+    /// <inheritdoc />
+    public Task StartAsync(CancellationToken cancellationToken)
+    {
+        _libraryManager.ItemAdded += OnItemAdded;
+        _libraryManager.ItemUpdated += OnItemModified;
+        _taskManager.TaskCompleted += OnLibraryRefresh;
+
+        FFmpegWrapper.Logger = _logger;
+
+        try
+        {
+            // Enqueue all episodes at startup to ensure any FFmpeg errors appear as early as possible
+            _logger.LogInformation("Running startup enqueue");
+            var queueManager = new QueueManager(_loggerFactory.CreateLogger<QueueManager>(), _libraryManager);
+            queueManager?.GetMediaItems();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError("Unable to run startup enqueue: {Exception}", ex);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        _libraryManager.ItemAdded -= OnItemAdded;
+        _libraryManager.ItemUpdated -= OnItemModified;
+        _taskManager.TaskCompleted -= OnLibraryRefresh;
+
+        // Stop the timer
+        _queueTimer.Change(Timeout.Infinite, 0);
+        return Task.CompletedTask;
+    }
+
+    // Disclose source for inspiration
+    // Implementation based on the principles of jellyfin-plugin-media-analyzer:
+    // https://github.com/endrl/jellyfin-plugin-media-analyzer
+
+    /// <summary>
+    /// Library item was added.
+    /// </summary>
+    /// <param name="sender">The sending entity.</param>
+    /// <param name="itemChangeEventArgs">The <see cref="ItemChangeEventArgs"/>.</param>
+    private void OnItemAdded(object? sender, ItemChangeEventArgs itemChangeEventArgs)
+    {
+        // Don't do anything if auto detection is disabled
+        if (!_config.AutoDetectIntros && !_config.AutoDetectCredits)
+        {
+            return;
+        }
+
+        // Don't do anything if it's not a supported media type
+        if (itemChangeEventArgs.Item is not Episode episode)
+        {
+            return;
+        }
+
+        if (itemChangeEventArgs.Item.LocationType == LocationType.Virtual)
+        {
+            return;
+        }
+
+        _seasonsToAnalyze.Add(episode.SeasonId);
+
+        StartTimer();
+    }
+
+    /// <summary>
+    /// Library item was modified.
+    /// </summary>
+    /// <param name="sender">The sending entity.</param>
+    /// <param name="itemChangeEventArgs">The <see cref="ItemChangeEventArgs"/>.</param>
+    private void OnItemModified(object? sender, ItemChangeEventArgs itemChangeEventArgs)
+    {
+        // Don't do anything if auto detection is disabled
+        if (!_config.AutoDetectIntros && !_config.AutoDetectCredits)
+        {
+            return;
+        }
+
+        // Don't do anything if it's not a supported media type
+        if (itemChangeEventArgs.Item is not Episode episode)
+        {
+            return;
+        }
+
+        if (itemChangeEventArgs.Item.LocationType == LocationType.Virtual)
+        {
+            return;
+        }
+
+        _seasonsToAnalyze.Add(episode.SeasonId);
+
+        StartTimer();
+    }
+
+    /// <summary>
+    /// TaskManager task ended.
+    /// </summary>
+    /// <param name="sender">The sending entity.</param>
+    /// <param name="eventArgs">The <see cref="TaskCompletionEventArgs"/>.</param>
+    private void OnLibraryRefresh(object? sender, TaskCompletionEventArgs eventArgs)
+    {
+        // Don't do anything if auto detection is disabled
+        if (!_config.AutoDetectIntros && !_config.AutoDetectCredits)
+        {
+            return;
+        }
+
+        var result = eventArgs.Result;
+
+        if (result.Key != "RefreshLibrary")
+        {
+            return;
+        }
+
+        if (result.Status != TaskCompletionStatus.Completed)
+        {
+            return;
+        }
+
+        // Unless user initiated, this is likely an overlap
+        if (AutomaticTaskState == TaskState.Running)
+        {
+            return;
+        }
+
+        StartTimer();
+    }
+
+    /// <summary>
+    /// Start timer to debounce analyzing.
+    /// </summary>
+    private void StartTimer()
+    {
+        if (AutomaticTaskState == TaskState.Running)
+        {
+            _analyzeAgain = true;
+        }
+        else if (AutomaticTaskState == TaskState.Idle)
+        {
+            _logger.LogDebug("Media Library changed, analyzis will start soon!");
+            _queueTimer.Change(TimeSpan.FromMilliseconds(20000), Timeout.InfiniteTimeSpan);
+        }
+    }
+
+    /// <summary>
+    /// Wait for timer callback to be completed.
+    /// </summary>
+    private void OnTimerCallback(object? state)
+    {
+        try
+        {
+            PerformAnalysis();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error in PerformAnalysis");
+        }
+
+        // Clean up
+        _cancellationTokenSource = null;
+        _autoTaskCompletEvent.Set();
+    }
+
+    /// <summary>
+    /// Wait for timer to be completed.
+    /// </summary>
+    private void PerformAnalysis()
+    {
+        _logger.LogInformation("Initiate automatic analysis task.");
+        _autoTaskCompletEvent.Reset();
+
+        using (_cancellationTokenSource = new CancellationTokenSource())
+        using (ScheduledTaskSemaphore.Acquire(_cancellationTokenSource.Token))
+        {
+            var seasonIds = new HashSet<Guid>(_seasonsToAnalyze);
+            _seasonsToAnalyze.Clear();
+
+            _analyzeAgain = false;
+            var progress = new Progress<double>();
+            var modes = new List<AnalysisMode>();
+            var tasklogger = _loggerFactory.CreateLogger("DefaultLogger");
+
+            if (_config.AutoDetectIntros)
+            {
+                modes.Add(AnalysisMode.Introduction);
+                tasklogger = _loggerFactory.CreateLogger<DetectIntrosTask>();
+            }
+
+            if (_config.AutoDetectCredits)
+            {
+                modes.Add(AnalysisMode.Credits);
+                tasklogger = modes.Count == 2
+                    ? _loggerFactory.CreateLogger<DetectIntrosCreditsTask>()
+                    : _loggerFactory.CreateLogger<DetectCreditsTask>();
+            }
+
+            var baseCreditAnalyzer = new BaseItemAnalyzerTask(
+                    modes,
+                    tasklogger,
+                    _loggerFactory,
+                    _libraryManager);
+
+            baseCreditAnalyzer.AnalyzeItems(progress, _cancellationTokenSource.Token, seasonIds);
+
+            // New item detected, start timer again
+            if (_analyzeAgain && !_cancellationTokenSource.IsCancellationRequested)
+            {
+                _logger.LogInformation("Analyzing ended, but we need to analyze again!");
+                StartTimer();
+            }
+        }
+    }
+
+    /// <summary>
+    /// Method to cancel the automatic task.
+    /// </summary>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    public static void CancelAutomaticTask(CancellationToken cancellationToken)
+    {
+        if (_cancellationTokenSource != null && !_cancellationTokenSource.IsCancellationRequested)
+        {
+            try
+            {
+                _cancellationTokenSource.Cancel();
+            }
+            catch (ObjectDisposedException)
+            {
+                _cancellationTokenSource = null;
+            }
+        }
+
+        _autoTaskCompletEvent.Wait(TimeSpan.FromSeconds(60), cancellationToken); // Wait for the signal
+    }
+
+    /// <inheritdoc/>
+    public void Dispose()
+    {
+        _queueTimer.Dispose();
+        _cancellationTokenSource?.Dispose();
+        _autoTaskCompletEvent.Dispose();
+    }
+}

IntroSkipper/Analyzers/BlackFrameAnalyzer.cs

@@ -1,218 +0,0 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
-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;
-
-namespace IntroSkipper.Analyzers;
-
-/// <summary>
-/// Media file analyzer used to detect end credits that consist of text overlaid on a black background.
-/// Bisects the end of the video file to perform an efficient search.
-/// </summary>
-public class BlackFrameAnalyzer(ILogger<BlackFrameAnalyzer> logger) : IMediaFileAnalyzer
-{
-    private readonly PluginConfiguration _config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
-    private readonly TimeSpan _maximumError = new(0, 0, 4);
-    private readonly ILogger<BlackFrameAnalyzer> _logger = logger;
-
-    /// <inheritdoc />
-    public async Task<IReadOnlyList<QueuedEpisode>> AnalyzeMediaFiles(
-        IReadOnlyList<QueuedEpisode> analysisQueue,
-        AnalysisMode mode,
-        CancellationToken cancellationToken)
-    {
-        if (mode != AnalysisMode.Credits)
-        {
-            throw new NotImplementedException("mode must equal Credits");
-        }
-
-        var episodesWithoutIntros = analysisQueue.Where(e => !e.IsAnalyzed).ToList();
-
-        var searchStart = 0.0;
-
-        foreach (var episode in episodesWithoutIntros)
-        {
-            if (cancellationToken.IsCancellationRequested)
-            {
-                break;
-            }
-
-            if (!AnalyzeChapters(episode, out var credit))
-            {
-                if (searchStart < _config.MinimumCreditsDuration)
-                {
-                    searchStart = FindSearchStart(episode);
-                }
-
-                credit = AnalyzeMediaFile(
-                    episode,
-                    searchStart,
-                    _config.BlackFrameMinimumPercentage);
-            }
-
-            if (credit is null || !credit.Valid)
-            {
-                continue;
-            }
-
-            episode.IsAnalyzed = true;
-            await Plugin.Instance!.UpdateTimestampAsync(credit, mode).ConfigureAwait(false);
-            searchStart = episode.Duration - credit.Start + _config.MinimumCreditsDuration;
-        }
-
-        return analysisQueue;
-    }
-
-    /// <summary>
-    /// Analyzes an individual media file. Only public because of unit tests.
-    /// </summary>
-    /// <param name="episode">Media file to analyze.</param>
-    /// <param name="searchStart">Search Start Piont.</param>
-    /// <param name="minimum">Percentage of the frame that must be black.</param>
-    /// <returns>Credits timestamp.</returns>
-    public Segment? AnalyzeMediaFile(QueuedEpisode episode, double searchStart, int minimum)
-    {
-        // Start by analyzing the last N minutes of the file.
-        var searchDistance = 2 * _config.MinimumCreditsDuration;
-        var upperLimit = searchStart;
-        var lowerLimit = Math.Max(searchStart - searchDistance, _config.MinimumCreditsDuration);
-        var start = TimeSpan.FromSeconds(upperLimit);
-        var end = TimeSpan.FromSeconds(lowerLimit);
-        var firstFrameTime = 0.0;
-
-        // Continue bisecting the end of the file until the range that contains the first black
-        // frame is smaller than the maximum permitted error.
-        while (start - end > _maximumError)
-        {
-            // Analyze the middle two seconds from the current bisected range
-            var midpoint = (start + end) / 2;
-            var scanTime = episode.Duration - midpoint.TotalSeconds;
-            var tr = new TimeRange(scanTime, scanTime + 2);
-
-            _logger.LogTrace(
-                "{Episode}, dur {Duration}, bisect [{BStart}, {BEnd}], time [{Start}, {End}]",
-                episode.Name,
-                episode.Duration,
-                start,
-                end,
-                tr.Start,
-                tr.End);
-
-            var frames = FFmpegWrapper.DetectBlackFrames(episode, tr, minimum);
-            _logger.LogTrace(
-                "{Episode} at {Start} has {Count} black frames",
-                episode.Name,
-                tr.Start,
-                frames.Length);
-
-            if (frames.Length == 0)
-            {
-                // Since no black frames were found, slide the range closer to the end
-                start = midpoint - TimeSpan.FromSeconds(2);
-
-                if (midpoint - TimeSpan.FromSeconds(lowerLimit) < _maximumError)
-                {
-                    lowerLimit = Math.Max(lowerLimit - (0.5 * searchDistance), _config.MinimumCreditsDuration);
-
-                    // Reset end for a new search with the increased duration
-                    end = TimeSpan.FromSeconds(lowerLimit);
-                }
-            }
-            else
-            {
-                // Some black frames were found, slide the range closer to the start
-                end = midpoint;
-                firstFrameTime = frames[0].Time + scanTime;
-
-                if (TimeSpan.FromSeconds(upperLimit) - midpoint < _maximumError)
-                {
-                    upperLimit = Math.Min(upperLimit + (0.5 * searchDistance), episode.Duration - episode.CreditsFingerprintStart);
-
-                    // Reset start for a new search with the increased duration
-                    start = TimeSpan.FromSeconds(upperLimit);
-                }
-            }
-        }
-
-        if (firstFrameTime > 0)
-        {
-            return new(episode.EpisodeId, new TimeRange(firstFrameTime, episode.Duration));
-        }
-
-        return null;
-    }
-
-    private bool AnalyzeChapters(QueuedEpisode episode, out Segment? segment)
-    {
-        // Get last chapter that falls within the valid credits duration range
-        var suitableChapters = Plugin.Instance!.GetChapters(episode.EpisodeId)
-            .Select(c => TimeSpan.FromTicks(c.StartPositionTicks).TotalSeconds)
-            .Where(s => s >= episode.CreditsFingerprintStart &&
-                s <= episode.Duration - _config.MinimumCreditsDuration)
-            .OrderByDescending(s => s).ToList();
-
-        // If suitable chapters found, use them to find the search start point
-        foreach (var chapterStart in suitableChapters)
-        {
-            // Check for black frames at chapter start
-            var startRange = new TimeRange(chapterStart, chapterStart + 1);
-            var hasBlackFramesAtStart = FFmpegWrapper.DetectBlackFrames(
-                episode,
-                startRange,
-                _config.BlackFrameMinimumPercentage).Length > 0;
-
-            if (!hasBlackFramesAtStart)
-            {
-                break;
-            }
-
-            // Verify no black frames before chapter start
-            var beforeRange = new TimeRange(chapterStart - 5, chapterStart - 4);
-            var hasBlackFramesBefore = FFmpegWrapper.DetectBlackFrames(
-                episode,
-                beforeRange,
-                _config.BlackFrameMinimumPercentage).Length > 0;
-
-            if (!hasBlackFramesBefore)
-            {
-                segment = new(episode.EpisodeId, new TimeRange(chapterStart, episode.Duration));
-                return true;
-            }
-        }
-
-        segment = null;
-        return false;
-    }
-
-    private double FindSearchStart(QueuedEpisode episode)
-    {
-        var searchStart = 3 * _config.MinimumCreditsDuration;
-        var scanTime = episode.Duration - searchStart;
-        var tr = new TimeRange(scanTime - 0.5, scanTime); // Short search range since accuracy isn't important here.
-
-        // Keep increasing search start time while black frames are found, to avoid false positives
-        while (FFmpegWrapper.DetectBlackFrames(episode, tr, _config.BlackFrameMinimumPercentage).Length > 0)
-        {
-            // Increase by 2x minimum credits duration each iteration
-            searchStart += 2 * _config.MinimumCreditsDuration;
-            scanTime = episode.Duration - searchStart;
-            tr = new TimeRange(scanTime - 0.5, scanTime);
-
-            // Don't search past the required credits duration from the end
-            if (searchStart > episode.Duration - episode.CreditsFingerprintStart)
-            {
-                searchStart = episode.Duration - episode.CreditsFingerprintStart;
-                break;
-            }
-        }
-
-        return searchStart;
-    }
-}

IntroSkipper/Configuration/UserInterfaceConfiguration.cs

@@ -1,61 +0,0 @@
-// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
-// SPDX-License-Identifier: GPL-3.0-only.
-
-namespace IntroSkipper.Configuration;
-
-/// <summary>
-/// User interface configuration.
-/// </summary>
-/// <remarks>
-/// Initializes a new instance of the <see cref="UserInterfaceConfiguration"/> class.
-/// </remarks>
-/// <param name="visible">Skip button visibility.</param>
-/// <param name="introText">Skip button intro text.</param>
-/// <param name="creditsText">Skip button end credits text.</param>
-/// <param name="autoSkip">Auto Skip Intro.</param>
-/// <param name="autoSkipCredits">Auto Skip Credits.</param>
-/// <param name="autoSkipRecap">Auto Skip Recap.</param>
-/// <param name="autoSkipPreview">Auto Skip Preview.</param>
-/// <param name="clientList">Auto Skip Clients.</param>
-public class UserInterfaceConfiguration(bool visible, string introText, string creditsText, bool autoSkip, bool autoSkipCredits, bool autoSkipRecap, bool autoSkipPreview, string clientList)
-{
-    /// <summary>
-    /// Gets or sets a value indicating whether to show the skip intro button.
-    /// </summary>
-    public bool SkipButtonVisible { get; set; } = visible;
-
-    /// <summary>
-    /// Gets or sets the text to display in the skip intro button in introduction mode.
-    /// </summary>
-    public string SkipButtonIntroText { get; set; } = introText;
-
-    /// <summary>
-    /// Gets or sets the text to display in the skip intro button in end credits mode.
-    /// </summary>
-    public string SkipButtonEndCreditsText { get; set; } = creditsText;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether auto skip intro.
-    /// </summary>
-    public bool AutoSkip { get; set; } = autoSkip;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether auto skip credits.
-    /// </summary>
-    public bool AutoSkipCredits { get; set; } = autoSkipCredits;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether auto skip recap.
-    /// </summary>
-    public bool AutoSkipRecap { get; set; } = autoSkipRecap;
-
-    /// <summary>
-    /// Gets or sets a value indicating whether auto skip preview.
-    /// </summary>
-    public bool AutoSkipPreview { get; set; } = autoSkipPreview;
-
-    /// <summary>
-    /// Gets or sets a value indicating clients to auto skip for.
-    /// </summary>
-    public string ClientList { get; set; } = clientList;
-}

IntroSkipper/Configuration/inject.js

@@ -1,597 +0,0 @@
-const introSkipper = {
-	originalFetch: window.fetch.bind(window),
-	originalXHROpen: XMLHttpRequest.prototype.open,
-	d: (msg) => console.debug("[intro skipper] ", msg),
-	setup() {
-		const self = this;
-		this.initializeState();
-		this.initializeObserver();
-		this.currentOption =
-			localStorage.getItem("introskipperOption") || "Show Button";
-		window.fetch = this.fetchWrapper.bind(this);
-		XMLHttpRequest.prototype.open = function (...args) {
-			self.xhrOpenWrapper(this, ...args);
-		};
-		document.addEventListener("viewshow", this.viewShow.bind(this));
-		this.videoPositionChanged = this.videoPositionChanged.bind(this);
-		this.handleEscapeKey = this.handleEscapeKey.bind(this);
-		this.d("Registered hooks");
-	},
-	initializeState() {
-		Object.assign(this, {
-			allowEnter: true,
-			skipSegments: {},
-			videoPlayer: null,
-			skipButton: null,
-			osdElement: null,
-			skipperData: null,
-			currentEpisodeId: null,
-			injectMetadata: false,
-		});
-	},
-	initializeObserver() {
-		this.observer = new MutationObserver((mutations) => {
-			const actionSheet =
-				mutations[mutations.length - 1].target.querySelector(".actionSheet");
-			if (
-				actionSheet &&
-				!actionSheet.querySelector(`[data-id="${"introskipperMenu"}"]`)
-			)
-				this.injectIntroSkipperOptions(actionSheet);
-		});
-	},
-	fetchWrapper(resource, options) {
-		const response = this.originalFetch(resource, options);
-		const url = new URL(resource);
-		if (this.injectMetadata && url.pathname.includes("/MetadataEditor")) {
-			this.processMetadata(url.pathname);
-		}
-		return response;
-	},
-	xhrOpenWrapper(xhr, method, url, ...rest) {
-		url.includes("/PlaybackInfo") && this.processPlaybackInfo(url);
-		return this.originalXHROpen.apply(xhr, [method, url, ...rest]);
-	},
-	async processPlaybackInfo(url) {
-		const id = this.extractId(url);
-		if (id) {
-			try {
-				this.skipSegments = await this.secureFetch(
-					`Episode/${id}/IntroSkipperSegments`,
-				);
-			} catch (error) {
-				this.d(`Error fetching skip segments: ${error.message}`);
-			}
-		}
-	},
-	async processMetadata(url) {
-		const id = this.extractId(url);
-		if (id) {
-			try {
-				this.skipperData = await this.secureFetch(`Episode/${id}/Timestamps`);
-				if (this.skipperData) {
-					this.currentEpisodeId = id;
-					requestAnimationFrame(() => {
-						const metadataFormFields = document.querySelector(
-							".metadataFormFields",
-						);
-						metadataFormFields && this.injectSkipperFields(metadataFormFields);
-					});
-				}
-			} catch (e) {
-				console.error("Error processing", e);
-			}
-		}
-	},
-	extractId(searchString) {
-		const startIndex = searchString.indexOf("Items/") + 6;
-		const endIndex = searchString.indexOf("/", startIndex);
-		return endIndex !== -1
-			? searchString.substring(startIndex, endIndex)
-			: searchString.substring(startIndex);
-	},
-	/**
-	 * Event handler that runs whenever the current view changes.
-	 * Used to detect the start of video playback.
-	 */
-	viewShow() {
-		const location = window.location.hash;
-		this.d(`Location changed to ${location}`);
-		this.allowEnter = true;
-		this.injectMetadata = /#\/(tv|details|home|search)/.test(location);
-		if (location === "#/video") {
-			this.injectCss();
-			this.injectButton();
-			this.videoPlayer = document.querySelector("video");
-			if (this.videoPlayer) {
-				this.d("Hooking video timeupdate");
-				this.videoPlayer.addEventListener(
-					"timeupdate",
-					this.videoPositionChanged,
-				);
-				this.osdElement = document.querySelector("div.videoOsdBottom");
-				this.observer.observe(document.body, {
-					childList: true,
-					subtree: false,
-				});
-			}
-		} else {
-			this.observer.disconnect();
-		}
-	},
-	/**
-	 * Injects the CSS used by the skip intro button.
-	 * Calling this function is a no-op if the CSS has already been injected.
-	 */
-	injectCss() {
-		if (document.querySelector("style#introSkipperCss")) {
-			this.d("CSS already added");
-			return;
-		}
-		this.d("Adding CSS");
-		const styleElement = document.createElement("style");
-		styleElement.id = "introSkipperCss";
-		styleElement.textContent = `
-            :root {
-                --rounding: 4px;
-                --accent: 0, 164, 220;
-            }
-            #skipIntro.upNextContainer {
-                width: unset;
-                margin: unset;
-            }
-            #skipIntro {
-                position: absolute;
-                bottom: 7.5em;
-                right: 5em;
-                background-color: transparent;
-            }
-            #skipIntro .emby-button {
-                color: #ffffff;
-                font-size: 110%;
-                background: rgba(0, 0, 0, 0.7);
-                border-radius: var(--rounding);
-                box-shadow: 0 0 4px rgba(0, 0, 0, 0.6);
-                transition: opacity 0.3s cubic-bezier(0.4,0,0.2,1),
-                            transform 0.3s cubic-bezier(0.4,0,0.2,1),
-                            background-color 0.2s ease-out,
-                            box-shadow 0.2s ease-out;
-                opacity: 0;
-                transform: translateY(50%);
-            }
-            #skipIntro.show .emby-button {
-                opacity: 1;
-                transform: translateY(0);
-            }
-            #skipIntro .emby-button:hover {
-                background: rgb(var(--accent));
-                box-shadow: 0 0 8px rgba(var(--accent), 0.6);
-                filter: brightness(1.2);
-            }
-            #skipIntro .emby-button:focus {
-                background: rgb(var(--accent));
-                box-shadow: 0 0 8px rgba(var(--accent), 0.6);
-            }
-            #btnSkipSegmentText {
-                letter-spacing: 0.5px;
-                padding: 0 5px 0 5px;
-            }
-        `;
-		document.querySelector("head").appendChild(styleElement);
-	},
-	/**
-	 * Inject the skip intro button into the video player.
-	 * Calling this function is a no-op if the CSS has already been injected.
-	 */
-	async injectButton() {
-		// Ensure the button we're about to inject into the page doesn't conflict with a pre-existing one
-		const preExistingButton = document.querySelector("div.skipIntro");
-		if (preExistingButton) {
-			preExistingButton.style.display = "none";
-		}
-		if (document.querySelector(".btnSkipIntro.injected")) {
-			this.d("Button already added");
-			this.skipButton = document.querySelector("#skipIntro");
-			return;
-		}
-		const config = await this.secureFetch("Intros/UserInterfaceConfiguration");
-		if (!config.SkipButtonVisible) {
-			this.d("Not adding button: not visible");
-			return;
-		}
-		this.d("Adding button");
-		this.skipButton = document.createElement("div");
-		this.skipButton.id = "skipIntro";
-		this.skipButton.classList.add("hide", "upNextContainer");
-		this.skipButton.addEventListener("click", this.doSkip.bind(this));
-		this.skipButton.addEventListener("keydown", this.eventHandler.bind(this));
-		this.skipButton.innerHTML = `
-            <button is="emby-button" type="button" class="btnSkipIntro injected">
-                <span id="btnSkipSegmentText"></span>
-                <span class="material-icons skip_next"></span>
-            </button>
-        `;
-		this.skipButton.dataset.Introduction = config.SkipButtonIntroText;
-		this.skipButton.dataset.Credits = config.SkipButtonEndCreditsText;
-		const controls = document.querySelector("div#videoOsdPage");
-		controls.appendChild(this.skipButton);
-	},
-	/** Tests if the OSD controls are visible. */
-	osdVisible() {
-		return this.osdElement
-			? !this.osdElement.classList.contains("hide")
-			: false;
-	},
-	/** Get the currently playing skippable segment. */
-	getCurrentSegment(position) {
-		for (const key in this.skipSegments) {
-			const segment = this.skipSegments[key];
-			if (
-				(position > segment.ShowSkipPromptAt &&
-					position < segment.HideSkipPromptAt) ||
-				(this.osdVisible() &&
-					position > segment.IntroStart &&
-					position < segment.IntroEnd - 3)
-			) {
-				segment["SegmentType"] = key;
-				return segment;
-			}
-		}
-		return { SegmentType: "None" };
-	},
-	overrideBlur(button) {
-		if (!button.originalBlur) {
-			button.originalBlur = button.blur;
-			button.blur = function () {
-				if (!this.contains(document.activeElement)) {
-					this.originalBlur();
-				}
-			};
-		}
-	},
-	/** Playback position changed, check if the skip button needs to be displayed. */
-	videoPositionChanged() {
-		if (!this.skipButton || !this.allowEnter) return;
-		const { SegmentType: segmentType } = this.getCurrentSegment(this.videoPlayer.currentTime);
-		if (
-			segmentType === "None" ||
-			this.currentOption === "Off"
-		) {
-			this.hideSkipButton();
-			return;
-		}
-		if (
-			this.currentOption === "Automatically Skip" ||
-			(this.currentOption === "Button w/ auto PiP" &&
-				document.pictureInPictureElement)
-		) {
-			this.doSkip();
-			return;
-		}
-        const button = this.skipButton.querySelector(".emby-button");
-		this.skipButton.querySelector("#btnSkipSegmentText").textContent =
-			this.skipButton.dataset[segmentType];
-		if (!this.skipButton.classList.contains("hide")) {
-			if (!this.osdVisible() && !button.contains(document.activeElement)) {
-                button.focus();
-            }
-            return;
-		}
-		requestAnimationFrame(() => {
-			this.skipButton.classList.remove("hide");
-			requestAnimationFrame(() => {
-				this.skipButton.classList.add("show");
-				this.overrideBlur(button);
-				button.focus();
-			});
-		});
-	},
-    hideSkipButton() {
-        if (this.skipButton.classList.contains("show")) {
-            this.skipButton.classList.remove("show");
-            const button = this.skipButton.querySelector(".emby-button");
-            button.addEventListener(
-                "transitionend",
-                () => {
-                    this.skipButton.classList.add("hide");
-                    if (this.osdVisible()) {
-                        this.osdElement.querySelector("button.btnPause").focus();
-                    } else {
-                        button.originalBlur();
-                    }
-                },
-                { once: true },
-            );
-        }
-    },
-	/** Seeks to the end of the intro. */
-	doSkip() {
-		if (!this.allowEnter) return;
-		const segment = this.getCurrentSegment(this.videoPlayer.currentTime);
-		if (segment.SegmentType === "None") {
-			console.warn("[intro skipper] doSkip() called without an active segment");
-			return;
-		}
-		this.d(`Skipping ${segment.SegmentType}`);
-		const seekedHandler = () => {
-			this.videoPlayer.removeEventListener("seeked", seekedHandler);
-			setTimeout(() => {
-				this.allowEnter = true;
-			}, 700);
-		};
-		this.videoPlayer.addEventListener("seeked", seekedHandler);
-		this.videoPlayer.currentTime = segment.IntroEnd;
-        this.hideSkipButton();
-	},
-	createButton(ref, id, innerHTML, clickHandler) {
-		const button = ref.cloneNode(true);
-		button.setAttribute("data-id", id);
-		button.innerHTML = innerHTML;
-		button.addEventListener("click", clickHandler);
-		return button;
-	},
-	closeSubmenu(fullscreen) {
-		document.querySelector(".dialogContainer").remove();
-		document.querySelector(".dialogBackdrop").remove();
-		document.dispatchEvent(new KeyboardEvent("keydown", { key: "Control" }));
-		if (!fullscreen) return;
-		document.removeEventListener("keydown", this.handleEscapeKey);
-		document.querySelector(".btnVideoOsdSettings").focus();
-	},
-	openSubmenu(ref, menu) {
-		const options = [
-			"Show Button",
-			"Button w/ auto PiP",
-			"Automatically Skip",
-			"Off",
-		];
-		const submenu = menu.cloneNode(true);
-		const scroller = submenu.querySelector(".actionSheetScroller");
-		scroller.innerHTML = "";
-		for (const option of options) {
-			if (option !== "Button w/ auto PiP" || document.pictureInPictureEnabled) {
-				const button = this.createButton(
-					ref,
-					`introskipper-${option.toLowerCase().replace(" ", "-")}`,
-					`<span class="actionsheetMenuItemIcon listItemIcon listItemIcon-transparent material-icons check" aria-hidden="true" style="visibility:${option === this.currentOption ? "visible" : "hidden"};"></span><div class="listItemBody actionsheetListItemBody"><div class="listItemBodyText actionSheetItemText">${option}</div></div>`,
-					() => this.selectOption(option),
-				);
-				scroller.appendChild(button);
-			}
-		}
-		const backdrop = document.createElement("div");
-		backdrop.className = "dialogBackdrop dialogBackdropOpened";
-		document.body.append(backdrop, submenu);
-		const actionSheet = submenu.querySelector(".actionSheet");
-		if (actionSheet.classList.contains("actionsheet-not-fullscreen")) {
-			this.adjustPosition(
-				actionSheet,
-				document.querySelector(".btnVideoOsdSettings"),
-			);
-			submenu.addEventListener("click", () => this.closeSubmenu(false));
-		} else {
-			submenu
-				.querySelector(".btnCloseActionSheet")
-				.addEventListener("click", () => this.closeSubmenu(true));
-			scroller.addEventListener("click", () => this.closeSubmenu(true));
-			document.addEventListener("keydown", this.handleEscapeKey);
-			setTimeout(() => scroller.firstElementChild.focus(), 240);
-		}
-	},
-	selectOption(option) {
-		this.currentOption = option;
-		localStorage.setItem("introskipperOption", option);
-		this.d(`Introskipper option selected and saved: ${option}`);
-	},
-	isAutoSkipLocked(config) {
-		const isAutoSkip = config.AutoSkip && config.AutoSkipCredits;
-		const isAutoSkipClient = new Set(config.ClientList.split(",")).has(
-			ApiClient.appName(),
-		);
-		return isAutoSkip || (config.SkipButtonVisible && isAutoSkipClient);
-	},
-	async injectIntroSkipperOptions(actionSheet) {
-		if (!this.skipButton) return;
-		const config = await this.secureFetch("Intros/UserInterfaceConfiguration");
-		if (this.isAutoSkipLocked(config)) {
-			this.d("Auto skip enforced by server");
-			return;
-		}
-		const statsButton = actionSheet.querySelector('[data-id="stats"]');
-		if (!statsButton) return;
-		const menuItem = this.createButton(
-			statsButton,
-			"introskipperMenu",
-			`<div class="listItemBody actionsheetListItemBody"><div class="listItemBodyText actionSheetItemText">Intro Skipper</div></div><div class="listItemAside actionSheetItemAsideText">${this.currentOption}</div>`,
-			() =>
-				this.openSubmenu(statsButton, actionSheet.closest(".dialogContainer")),
-		);
-		const originalWidth = actionSheet.offsetWidth;
-		statsButton.before(menuItem);
-		if (actionSheet.classList.contains("actionsheet-not-fullscreen"))
-			this.adjustPosition(actionSheet, menuItem, originalWidth);
-	},
-	adjustPosition(element, reference, originalWidth) {
-		if (originalWidth) {
-			const currentTop = Number.parseInt(element.style.top, 10) || 0;
-			element.style.top = `${currentTop - reference.offsetHeight}px`;
-			const newWidth = Math.max(reference.offsetWidth - originalWidth, 0);
-			const originalLeft = Number.parseInt(element.style.left, 10) || 0;
-			element.style.left = `${originalLeft - newWidth / 2}px`;
-		} else {
-			const rect = reference.getBoundingClientRect();
-			element.style.left = `${Math.min(rect.left - (element.offsetWidth - rect.width) / 2, window.innerWidth - element.offsetWidth - 10)}px`;
-			element.style.top = `${rect.top - element.offsetHeight + rect.height}px`;
-		}
-	},
-	injectSkipperFields(metadataFormFields) {
-		const skipperFields = document.createElement("div");
-		skipperFields.className = "detailSection introskipperSection";
-		skipperFields.innerHTML = `
-            <h2>Intro Skipper</h2>
-            <div class="inlineForm">
-                <div class="inputContainer">
-                    <label class="inputLabel inputLabelUnfocused" for="introStart">Intro Start</label>
-                    <input type="text" id="introStartDisplay" class="emby-input custom-time-input" readonly>
-                    <input type="number" id="introStartEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
-                </div>
-                <div class="inputContainer">
-                    <label class="inputLabel inputLabelUnfocused" for="introEnd">Intro End</label>
-                    <input type="text" id="introEndDisplay" class="emby-input custom-time-input" readonly>
-                    <input type="number" id="introEndEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
-                </div>
-            </div>
-            <div class="inlineForm">
-                <div class="inputContainer">
-                    <label class="inputLabel inputLabelUnfocused" for="creditsStart">Credits Start</label>
-                    <input type="text" id="creditsStartDisplay" class="emby-input custom-time-input" readonly>
-                    <input type="number" id="creditsStartEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
-                </div>
-                <div class="inputContainer">
-                    <label class="inputLabel inputLabelUnfocused" for="creditsEnd">Credits End</label>
-                    <input type="text" id="creditsEndDisplay" class="emby-input custom-time-input" readonly>
-                    <input type="number" id="creditsEndEdit" class="emby-input custom-time-input" style="display: none;" step="any" min="0">
-                </div>
-            </div>
-        `;
-		metadataFormFields
-			.querySelector("#metadataSettingsCollapsible")
-			.insertAdjacentElement("afterend", skipperFields);
-		this.attachSaveListener(metadataFormFields);
-		this.updateSkipperFields(skipperFields);
-		this.setTimeInputs(skipperFields);
-	},
-	updateSkipperFields(skipperFields) {
-		const { Introduction = {}, Credits = {} } = this.skipperData;
-		skipperFields.querySelector("#introStartEdit").value =
-			Introduction.Start || 0;
-		skipperFields.querySelector("#introEndEdit").value = Introduction.End || 0;
-		skipperFields.querySelector("#creditsStartEdit").value = Credits.Start || 0;
-		skipperFields.querySelector("#creditsEndEdit").value = Credits.End || 0;
-	},
-	attachSaveListener(metadataFormFields) {
-		const saveButton = metadataFormFields.querySelector(
-			".formDialogFooter .btnSave",
-		);
-		if (saveButton) {
-			saveButton.addEventListener("click", this.saveSkipperData.bind(this));
-		} else {
-			console.error("Save button not found");
-		}
-	},
-	setTimeInputs(skipperFields) {
-		const inputContainers = skipperFields.querySelectorAll(".inputContainer");
-		for (const container of inputContainers) {
-			const displayInput = container.querySelector('[id$="Display"]');
-			const editInput = container.querySelector('[id$="Edit"]');
-			displayInput.addEventListener("pointerdown", (e) => {
-				e.preventDefault();
-				this.switchToEdit(displayInput, editInput);
-			});
-			editInput.addEventListener("blur", () =>
-				this.switchToDisplay(displayInput, editInput),
-			);
-			displayInput.value = this.formatTime(
-				Number.parseFloat(editInput.value) || 0,
-			);
-		}
-	},
-	formatTime(totalSeconds) {
-		if (!totalSeconds) return "0 seconds";
-		const totalRoundedSeconds = Math.round(totalSeconds);
-		const hours = Math.floor(totalRoundedSeconds / 3600);
-		const minutes = Math.floor((totalRoundedSeconds % 3600) / 60);
-		const seconds = totalRoundedSeconds % 60;
-		const result = [];
-		if (hours) result.push(`${hours} hour${hours !== 1 ? "s" : ""}`);
-		if (minutes) result.push(`${minutes} minute${minutes !== 1 ? "s" : ""}`);
-		if (seconds || !result.length)
-			result.push(`${seconds} second${seconds !== 1 ? "s" : ""}`);
-		return result.join(" ");
-	},
-	switchToEdit(displayInput, editInput) {
-		displayInput.style.display = "none";
-		editInput.style.display = "";
-		editInput.focus();
-	},
-	switchToDisplay(displayInput, editInput) {
-		editInput.style.display = "none";
-		displayInput.style.display = "";
-		displayInput.value = this.formatTime(
-			Number.parseFloat(editInput.value) || 0,
-		);
-	},
-	async saveSkipperData() {
-		const newTimestamps = {
-			Introduction: {
-				Start: Number.parseFloat(
-					document.getElementById("introStartEdit").value || 0,
-				),
-				End: Number.parseFloat(
-					document.getElementById("introEndEdit").value || 0,
-				),
-			},
-			Credits: {
-				Start: Number.parseFloat(
-					document.getElementById("creditsStartEdit").value || 0,
-				),
-				End: Number.parseFloat(
-					document.getElementById("creditsEndEdit").value || 0,
-				),
-			},
-		};
-		const { Introduction = {}, Credits = {} } = this.skipperData;
-		if (
-			newTimestamps.Introduction.Start !== (Introduction.Start || 0) ||
-			newTimestamps.Introduction.End !== (Introduction.End || 0) ||
-			newTimestamps.Credits.Start !== (Credits.Start || 0) ||
-			newTimestamps.Credits.End !== (Credits.End || 0)
-		) {
-			const response = await this.secureFetch(
-				`Episode/${this.currentEpisodeId}/Timestamps`,
-				"POST",
-				JSON.stringify(newTimestamps),
-			);
-			this.d(
-				response.ok
-					? "Timestamps updated successfully"
-					: "Failed to update timestamps:",
-				response.status,
-			);
-		} else {
-			this.d("Timestamps have not changed, skipping update");
-		}
-	},
-	/** Make an authenticated fetch to the Jellyfin server and parse the response body as JSON. */
-	async secureFetch(url, method = "GET", body = null) {
-		const response = await fetch(`${ApiClient.serverAddress()}/${url}`, {
-			method,
-			headers: Object.assign(
-				{ Authorization: `MediaBrowser Token=${ApiClient.accessToken()}` },
-				method === "POST" ? { "Content-Type": "application/json" } : {},
-			),
-			body,
-		});
-		return response.ok
-			? method === "POST"
-				? response
-				: response.json()
-			: response.status === 404
-				? null
-				: console.error(`Error ${response.status} from ${url}`) || null;
-	},
-	/** Handle keydown events. */
-	eventHandler(e) {
-		if (e.key !== "Enter") return;
-		e.stopPropagation();
-		e.preventDefault();
-		this.doSkip();
-	},
-	handleEscapeKey(e) {
-		if (e.key === "Escape" || e.keyCode === 461 || e.keyCode === 10009) {
-			e.stopPropagation();
-			this.closeSubmenu(true);
-		}
-	},
-};
-introSkipper.setup();