chore(main): release 5.7.1 (#455)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -1,5 +1,79 @@
 # Changelog
 
+## [5.7.1](https://github.com/LuanRT/YouTube.js/compare/v5.7.0...v5.7.1) (2023-07-25)
+
+
+### Bug Fixes
+
+* **SearchHeader:** remove console.log ([d91695a](https://github.com/LuanRT/YouTube.js/commit/d91695a9ec6c55445cbeedba4ace4ac1e0a72eee))
+
+## [5.7.0](https://github.com/LuanRT/YouTube.js/compare/v5.6.0...v5.7.0) (2023-07-24)
+
+
+### Features
+
+* **parser:** Add `PageHeader` ([#450](https://github.com/LuanRT/YouTube.js/issues/450)) ([18cbc8c](https://github.com/LuanRT/YouTube.js/commit/18cbc8c038ddddffa1ba1519e56a8054b2996e42))
+* **parser:** Add `SearchHeader` ([6997982](https://github.com/LuanRT/YouTube.js/commit/6997982cf2db87edf4929e9a77e2690e7b630d3d)), closes [#452](https://github.com/LuanRT/YouTube.js/issues/452)
+
+## [5.6.0](https://github.com/LuanRT/YouTube.js/compare/v5.5.0...v5.6.0) (2023-07-18)
+
+
+### Features
+
+* **parser:** Add `IncludingResultsFor` ([#447](https://github.com/LuanRT/YouTube.js/issues/447)) ([c477b82](https://github.com/LuanRT/YouTube.js/commit/c477b824c084552169062f72cde8890e77b31f59))
+* **toDash:** Add option to include thumbnails in the manifest ([#446](https://github.com/LuanRT/YouTube.js/issues/446)) ([1a03473](https://github.com/LuanRT/YouTube.js/commit/1a034733f6bb641e2d97df12de81ae3516c1f703))
+
+## [5.5.0](https://github.com/LuanRT/YouTube.js/compare/v5.4.0...v5.5.0) (2023-07-16)
+
+
+### Features
+
+* **Format:** Populate audio language from captions when available ([#445](https://github.com/LuanRT/YouTube.js/issues/445)) ([bdd98a3](https://github.com/LuanRT/YouTube.js/commit/bdd98a3b9be39c11942043a300a6ebce9a15efc6))
+* **parser:** Add `CommentsSimplebox` parser ([#442](https://github.com/LuanRT/YouTube.js/issues/442)) ([555d257](https://github.com/LuanRT/YouTube.js/commit/555d257459b76d7c0158e9c6b189a75a82b10faf))
+* **parser:** Add `HashtagTile` ([#440](https://github.com/LuanRT/YouTube.js/issues/440)) ([ae2557d](https://github.com/LuanRT/YouTube.js/commit/ae2557d15c9df09bb92e0dc6191670d72b36631a))
+* **parser:** add `MacroMarkersList` ([#444](https://github.com/LuanRT/YouTube.js/issues/444)) ([708c5f7](https://github.com/LuanRT/YouTube.js/commit/708c5f7394b4ea140836b9483848cb61b97ea1af))
+* **parser:** Add `ShowMiniplayerCommand` ([#443](https://github.com/LuanRT/YouTube.js/issues/443)) ([a9cdbf7](https://github.com/LuanRT/YouTube.js/commit/a9cdbf7010e7b9b9cfde5db645d51bdad51006c5))
+
+
+### Bug Fixes
+
+* **package:** Bump Jinter to fix bad export order ([#439](https://github.com/LuanRT/YouTube.js/issues/439)) ([2aef678](https://github.com/LuanRT/YouTube.js/commit/2aef67876ec19118b37d3cecd429ccf8239989e0))
+* **StructuredDescriptionContent:** `items` can also be a `HorizontalCardList` ([b50d1ef](https://github.com/LuanRT/YouTube.js/commit/b50d1ef67d81276864818de10c61b5a7980cbc1a))
+
+## [5.4.0](https://github.com/LuanRT/YouTube.js/compare/v5.3.0...v5.4.0) (2023-07-14)
+
+
+### Features
+
+* **Channel:** Add `getPodcasts()` method ([f267fcd](https://github.com/LuanRT/YouTube.js/commit/f267fcd8beccf237b8d1924463990273887cae28))
+* **Channel:** Add `getReleases()` method ([f267fcd](https://github.com/LuanRT/YouTube.js/commit/f267fcd8beccf237b8d1924463990273887cae28))
+* **parser:** Add `Quiz` ([#437](https://github.com/LuanRT/YouTube.js/issues/437)) ([cffa868](https://github.com/LuanRT/YouTube.js/commit/cffa868c6eeb579047653fac65da8e913fb3c621))
+
+
+### Bug Fixes
+
+* **Playlist:** Parse `PlaylistCustomThumbnail` for `thumbnail_renderer` ([f267fcd](https://github.com/LuanRT/YouTube.js/commit/f267fcd8beccf237b8d1924463990273887cae28))
+
+## [5.3.0](https://github.com/LuanRT/YouTube.js/compare/v5.2.1...v5.3.0) (2023-07-11)
+
+
+### Features
+
+* **toDash:** Add color information ([#430](https://github.com/LuanRT/YouTube.js/issues/430)) ([3500e92](https://github.com/LuanRT/YouTube.js/commit/3500e926327d560b1db036bfe503c276b91922ac))
+
+
+### Performance Improvements
+
+* **Format:** Cleanup the xtags parsing ([#434](https://github.com/LuanRT/YouTube.js/issues/434)) ([1ca2083](https://github.com/LuanRT/YouTube.js/commit/1ca20836bf343c78461fab7ad3b71db2b96e65c3))
+* **toDash:** Hoist duplicates from Representation to AdaptationSet ([#431](https://github.com/LuanRT/YouTube.js/issues/431)) ([5f058e6](https://github.com/LuanRT/YouTube.js/commit/5f058e69ae8594491133f7f96287bea4137f7822))
+
+## [5.2.1](https://github.com/LuanRT/YouTube.js/compare/v5.2.0...v5.2.1) (2023-07-04)
+
+
+### Bug Fixes
+
+* incorrect node parser implementations ([#428](https://github.com/LuanRT/YouTube.js/issues/428)) ([222dfce](https://github.com/LuanRT/YouTube.js/commit/222dfce6bbd13b2cd80ae11540cbc0edd9053fc5))
+
 ## [5.2.0](https://github.com/LuanRT/YouTube.js/compare/v5.1.0...v5.2.0) (2023-06-28)
 
 

README.md

@@ -542,6 +542,8 @@ Retrieves contents for a given channel.
 - `<channel>#getVideos()`
 - `<channel>#getShorts()`
 - `<channel>#getLiveStreams()`
+- `<channel>#getReleases()`
+- `<channel>#getPodcasts()`
 - `<channel>#getPlaylists()`
 - `<channel>#getHome()`
 - `<channel>#getCommunity()`

package.json

@@ -1,6 +1,6 @@
 {
   "name": "youtubei.js",
-  "version": "5.2.0",
+  "version": "5.7.1",
   "description": "A wrapper around YouTube's private API. Supports YouTube, YouTube Music, YouTube Kids and YouTube Studio (WIP).",
   "type": "module",
   "types": "./dist/src/platform/lib.d.ts",
@@ -84,7 +84,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "jintr": "^1.0.0",
+    "jintr": "^1.1.0",
     "linkedom": "^0.14.12",
     "tslib": "^2.5.0",
     "undici": "^5.19.1"

src/core/endpoints/PlayerEndpoint.ts

@@ -8,6 +8,11 @@ export const PATH = '/player';
  * @returns The payload.
  */
 export function build(opts: PlayerEndpointOptions): IPlayerRequest {
+  const is_android =
+    opts.client === 'ANDROID' ||
+    opts.client === 'YTMUSIC_ANDROID' ||
+    opts.client === 'YTSTUDIO_ANDROID';
+
   return {
     playbackContext: {
       contentPlaybackContext: {
@@ -37,8 +42,8 @@ export function build(opts: PlayerEndpointOptions): IPlayerRequest {
     ...{
       client: opts.client,
       playlistId: opts.playlist_id,
-      // Workaround streaming URLs returning 403 when using Android clients and throttling in web clients.
-      params: '2AMBCgIQBg'
+      // Workaround streaming URLs returning 403 or getting throttled when using Android based clients.
+      params: is_android ? '2AMBCgIQBg' : opts.params
     }
   };
 }

src/core/mixins/MediaInfo.ts

@@ -7,6 +7,8 @@ import { InnertubeError } from '../../utils/Utils.js';
 import type Format from '../../parser/classes/misc/Format.js';
 import type { INextResponse, IPlayerResponse } from '../../parser/index.js';
 import Parser from '../../parser/index.js';
+import type { DashOptions } from '../../types/DashOptions.js';
+import PlayerStoryboardSpec from '../../parser/classes/PlayerStoryboardSpec.js';
 
 export default class MediaInfo {
   #page: [IPlayerResponse, INextResponse?];
@@ -37,10 +39,17 @@ export default class MediaInfo {
    * Generates a DASH manifest from the streaming data.
    * @param url_transformer - Function to transform the URLs.
    * @param format_filter - Function to filter the formats.
+   * @param options - Additional options to customise the manifest generation
    * @returns DASH manifest
    */
-  async toDash(url_transformer?: URLTransformer, format_filter?: FormatFilter): Promise<string> {
-    return FormatUtils.toDash(this.streaming_data, url_transformer, format_filter, this.#cpn, this.#actions.session.player, this.#actions);
+  async toDash(url_transformer?: URLTransformer, format_filter?: FormatFilter, options: DashOptions = { include_thumbnails: false }): Promise<string> {
+    let storyboards;
+
+    if (options.include_thumbnails && this.#page[0].storyboards?.is(PlayerStoryboardSpec)) {
+      storyboards = this.#page[0].storyboards;
+    }
+
+    return FormatUtils.toDash(this.streaming_data, url_transformer, format_filter, this.#cpn, this.#actions.session.player, this.#actions, storyboards);
   }
 
   /**

src/parser/classes/Button.ts

@@ -15,26 +15,20 @@ export default class Button extends YTNode {
 
   constructor(data: RawNode) {
     super();
-
-    if (Reflect.has(data, 'text')) {
+    if (Reflect.has(data, 'text'))
       this.text = new Text(data.text).toString();
-    }
 
-    if (Reflect.has(data, 'accessibility') && Reflect.has(data.accessibility, 'label')) {
+    if (Reflect.has(data, 'accessibility') && Reflect.has(data.accessibility, 'label'))
       this.label = data.accessibility.label;
-    }
 
-    if (Reflect.has(data, 'tooltip')) {
+    if (Reflect.has(data, 'tooltip'))
       this.tooltip = data.tooltip;
-    }
 
-    if (Reflect.has(data, 'icon') && Reflect.has(data.icon, 'iconType')) {
+    if (Reflect.has(data, 'icon') && Reflect.has(data.icon, 'iconType'))
       this.icon_type = data.icon.iconType;
-    }
 
-    if (Reflect.has(data, 'isDisabled')) {
+    if (Reflect.has(data, 'isDisabled'))
       this.is_disabled = data.isDisabled;
-    }
 
     this.endpoint = new NavigationEndpoint(data.navigationEndpoint || data.serviceEndpoint || data.command);
   }

src/parser/classes/CarouselLockup.ts

@@ -7,14 +7,11 @@ export default class CarouselLockup extends YTNode {
   static type = 'CarouselLockup';
 
   info_rows: ObservedArray<InfoRow>;
-  video_lockup?: CompactVideo;
+  video_lockup?: CompactVideo | null;
 
   constructor(data: RawNode) {
     super();
     this.info_rows = Parser.parseArray(data.infoRows, InfoRow);
-    const video_lockup = Parser.parseItem(data.videoLockup, CompactVideo);
-    if (video_lockup != null) {
-      this.video_lockup = video_lockup;
-    }
+    this.video_lockup = Parser.parseItem(data.videoLockup, CompactVideo);
   }
 }

src/parser/classes/ContentPreviewImageView.ts

@@ -0,0 +1,16 @@
+import { YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+import Thumbnail from './misc/Thumbnail.js';
+
+export default class ContentPreviewImageView extends YTNode {
+  static type = 'ContentPreviewImageView';
+
+  image: Thumbnail[];
+  style: string;
+
+  constructor(data: RawNode) {
+    super();
+    this.image = data.image.sources.map((x: any) => new Thumbnail(x)).sort((a: Thumbnail, b: Thumbnail) => b.width - a.width);
+    this.style = data.style;
+  }
+}

src/parser/classes/DynamicTextView.ts

@@ -0,0 +1,13 @@
+import { YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+
+export default class DynamicTextView extends YTNode {
+  static type = 'DynamicTextView';
+
+  text: string;
+
+  constructor(data: RawNode) {
+    super();
+    this.text = data.text.content;
+  }
+}

src/parser/classes/EngagementPanelSectionList.ts

@@ -1,20 +1,26 @@
 import { YTNode } from '../helpers.js';
 import Parser, { type RawNode } from '../index.js';
 import ContinuationItem from './ContinuationItem.js';
+import EngagementPanelTitleHeader from './EngagementPanelTitleHeader.js';
+import MacroMarkersList from './MacroMarkersList.js';
 import SectionList from './SectionList.js';
 import StructuredDescriptionContent from './StructuredDescriptionContent.js';
 
 export default class EngagementPanelSectionList extends YTNode {
   static type = 'EngagementPanelSectionList';
 
-  target_id: String;
-  content?: SectionList|ContinuationItem|StructuredDescriptionContent;
+  header: EngagementPanelTitleHeader | null;
+  content: SectionList | ContinuationItem | StructuredDescriptionContent | MacroMarkersList | null;
+  target_id?: string;
+  panel_identifier?: string;
+  visibility?: string;
+
   constructor(data: RawNode) {
     super();
+    this.header = Parser.parseItem(data.header, EngagementPanelTitleHeader);
+    this.content = Parser.parseItem(data.content, [ SectionList, ContinuationItem, StructuredDescriptionContent, MacroMarkersList ]);
+    this.panel_identifier = data.panelIdentifier;
     this.target_id = data.targetId;
-    const content = Parser.parseItem(data.content, [ SectionList, ContinuationItem, StructuredDescriptionContent ]);
-    if (content !== null) {
-      this.content = content;
-    }
+    this.visibility = data.visibility;
   }
 }

src/parser/classes/EngagementPanelTitleHeader.ts

@@ -0,0 +1,17 @@
+import { YTNode } from '../helpers.js';
+import { Parser, type RawNode } from '../index.js';
+import Text from './misc/Text.js';
+import Button from './Button.js';
+
+export default class EngagementPanelTitleHeader extends YTNode {
+  static type = 'EngagementPanelTitleHeader';
+
+  title: Text;
+  visibility_button: Button | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.title = new Text(data.title);
+    this.visibility_button = Parser.parseItem(data.visibilityButton, Button);
+  }
+}

src/parser/classes/ExpandableVideoDescriptionBody.ts

@@ -1,22 +1,22 @@
 import { YTNode } from '../helpers.js';
-import { type RawNode } from '../index.js';
 import { Text } from '../misc.js';
 
+import type { RawNode } from '../index.js';
+
 export default class ExpandableVideoDescriptionBody extends YTNode {
   static type = 'ExpandableVideoDescriptionBody';
 
   show_more_text: Text;
   show_less_text: Text;
-  attributed_description_body_text: {
-    content: String
-  };
+  attributed_description_body_text?: string;
 
   constructor(data: RawNode) {
     super();
     this.show_more_text = new Text(data.showMoreText);
     this.show_less_text = new Text(data.showLessText);
-    this.attributed_description_body_text = {
-      content: data.attributedDescriptionBodyText.content
-    };
+
+    if (Reflect.has(data, 'attributedDescriptionBodyText')) {
+      this.attributed_description_body_text = data.attributedDescriptionBodyText?.content;
+    }
   }
 }

src/parser/classes/Factoid.ts

@@ -4,6 +4,7 @@ import { Text } from '../misc.js';
 
 export default class Factoid extends YTNode {
   static type = 'Factoid';
+
   label: Text;
   value: Text;
   accessibility_text: String;

src/parser/classes/HashtagTile.ts

@@ -0,0 +1,28 @@
+import { YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+import { Thumbnail } from '../misc.js';
+import NavigationEndpoint from './NavigationEndpoint.js';
+import Text from './misc/Text.js';
+
+export default class HashtagTile extends YTNode {
+  static type = 'HashtagTile';
+
+  hashtag: Text;
+  hashtag_info_text: Text;
+  hashtag_thumbnail: Thumbnail[];
+  endpoint: NavigationEndpoint;
+  hashtag_background_color: number;
+  hashtag_video_count: Text;
+  hashtag_channel_count: Text;
+
+  constructor(data: RawNode) {
+    super();
+    this.hashtag = new Text(data.hashtag);
+    this.hashtag_info_text = new Text(data.hashtagInfoText);
+    this.hashtag_thumbnail = Thumbnail.fromResponse(data.hashtagThumbnail);
+    this.endpoint = new NavigationEndpoint(data.onTapCommand);
+    this.hashtag_background_color = data.hashtagBackgroundColor;
+    this.hashtag_video_count = new Text(data.hashtagVideoCount);
+    this.hashtag_channel_count = new Text(data.hashtagChannelCount);
+  }
+}

src/parser/classes/IncludingResultsFor.ts

@@ -0,0 +1,25 @@
+import { YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+import NavigationEndpoint from './NavigationEndpoint.js';
+import Text from './misc/Text.js';
+
+export default class IncludingResultsFor extends YTNode {
+  static type = 'IncludingResultsFor';
+
+  including_results_for: Text;
+  corrected_query: Text;
+  corrected_query_endpoint: NavigationEndpoint;
+  search_only_for?: Text;
+  original_query?: Text;
+  original_query_endpoint?: NavigationEndpoint;
+
+  constructor(data: RawNode) {
+    super();
+    this.including_results_for = new Text(data.includingResultsFor);
+    this.corrected_query = new Text(data.correctedQuery);
+    this.corrected_query_endpoint = new NavigationEndpoint(data.correctedQueryEndpoint);
+    this.search_only_for = Reflect.has(data, 'searchOnlyFor') ? new Text(data.searchOnlyFor) : undefined;
+    this.original_query = Reflect.has(data, 'originalQuery') ? new Text(data.originalQuery) : undefined;
+    this.original_query_endpoint = Reflect.has(data, 'originalQueryEndpoint') ? new NavigationEndpoint(data.originalQueryEndpoint) : undefined;
+  }
+}

src/parser/classes/InfoRow.ts

@@ -1,38 +1,29 @@
 import { YTNode } from '../helpers.js';
-import Parser, { type RawNode } from '../index.js';
 import { Text } from '../misc.js';
-import NavigationEndpoint from './NavigationEndpoint.js';
+import type { RawNode } from '../index.js';
 
 export default class InfoRow extends YTNode {
   static type = 'InfoRow';
-  metadata_text?: Text;
-  metadata_endpoint?: NavigationEndpoint;
-  info_row_expand_status_key: String;
+
   title: Text;
+  default_metadata?: Text;
+  expanded_metadata?: Text;
+  info_row_expand_status_key?: String;
 
   constructor(data: RawNode) {
     super();
-    if ('defaultMetadata' in data && 'runs' in data.defaultMetadata) {
-      const runs = data.defaultMetadata.runs;
-      if (runs.length > 0) {
-        const run = runs[0];
-        this.metadata_text = run?.text;
-        if ('navigationEndpoint' in run) {
-          this.metadata_endpoint = Parser.parseItem({ navigationEndpoint: run.navigationEndpoint }, NavigationEndpoint) || undefined;
-        }
-      }
-    }
-    if ('expandedMetadata' in data && 'runs' in data.expandedMetadata) {
-      this.metadata_text = new Text(data.expandedMetadata);
-    }
-    if (this.metadata_text === undefined) {
-      this.metadata_text = data.expandedMetadata?.simpleText
-        ? new Text(data.expandedMetadata)
-        : data.defaultMetadata?.simpleText
-          ? new Text(data.defaultMetadata)
-          : undefined;
-    }
-    this.info_row_expand_status_key = data.infoRowExpandStatusKey;
     this.title = new Text(data.title);
+
+    if (Reflect.has(data, 'defaultMetadata')) {
+      this.default_metadata = new Text(data.defaultMetadata);
+    }
+
+    if (Reflect.has(data, 'expandedMetadata')) {
+      this.expanded_metadata = new Text(data.expandedMetadata);
+    }
+
+    if (Reflect.has(data, 'infoRowExpandStatusKey')) {
+      this.info_row_expand_status_key = data.infoRowExpandStatusKey;
+    }
   }
-}
+}

src/parser/classes/MacroMarkersInfoItem.ts

@@ -0,0 +1,17 @@
+import { YTNode } from '../helpers.js';
+import { Parser, type RawNode } from '../index.js';
+import Menu from './menus/Menu.js';
+import Text from './misc/Text.js';
+
+export default class MacroMarkersInfoItem extends YTNode {
+  static type = 'MacroMarkersInfoItem';
+
+  info_text: Text;
+  menu: Menu | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.info_text = new Text(data.infoText);
+    this.menu = Parser.parseItem(data.menu, Menu);
+  }
+}

src/parser/classes/MacroMarkersList.ts

@@ -0,0 +1,18 @@
+import { YTNode, type ObservedArray } from '../helpers.js';
+import { Parser, type RawNode } from '../index.js';
+import { Text } from '../misc.js';
+import MacroMarkersInfoItem from './MacroMarkersInfoItem.js';
+import MacroMarkersListItem from './MacroMarkersListItem.js';
+
+export default class MacroMarkersList extends YTNode {
+  static type = 'MacroMarkersList';
+
+  contents: ObservedArray<MacroMarkersInfoItem | MacroMarkersListItem>;
+  sync_button_label: Text;
+
+  constructor(data: RawNode) {
+    super();
+    this.contents = Parser.parseArray(data.contents, [ MacroMarkersInfoItem, MacroMarkersListItem ]);
+    this.sync_button_label = new Text(data.syncButtonLabel);
+  }
+}

src/parser/classes/NavigationEndpoint.ts

@@ -4,12 +4,14 @@ import { YTNode } from '../helpers.js';
 import Parser, { type RawNode } from '../index.js';
 import type { IParsedResponse } from '../types/ParsedResponse.js';
 import CreatePlaylistDialog from './CreatePlaylistDialog.js';
+import OpenPopupAction from './actions/OpenPopupAction.js';
 
 export default class NavigationEndpoint extends YTNode {
   static type = 'NavigationEndpoint';
 
   payload;
   dialog?: CreatePlaylistDialog | YTNode | null;
+  open_popup?: OpenPopupAction | null;
 
   metadata: {
     url?: string;
@@ -24,6 +26,9 @@ export default class NavigationEndpoint extends YTNode {
     if (Reflect.has(data || {}, 'innertubeCommand'))
       data = data.innertubeCommand;
 
+    if (Reflect.has(data || {}, 'openPopupAction'))
+      this.open_popup = new OpenPopupAction(data.openPopupAction);
+
     const name = Object.keys(data || {})
       .find((item) =>
         item.endsWith('Endpoint') ||
@@ -36,6 +41,7 @@ export default class NavigationEndpoint extends YTNode {
       this.dialog = Parser.parseItem(this.payload.dialog || this.payload.content);
     }
 
+
     if (data?.serviceEndpoint) {
       data = data.serviceEndpoint;
     }
@@ -85,9 +91,9 @@ export default class NavigationEndpoint extends YTNode {
     }
   }
 
-  call<T extends IParsedResponse>(actions: Actions, args: { [ key: string ]: any; parse: true }): Promise<T>;
-  call(actions: Actions, args?: { [ key: string ]: any; parse?: false }): Promise<ApiResponse>;
-  call(actions: Actions, args?: { [ key: string ]: any; parse?: boolean }): Promise<IParsedResponse | ApiResponse> {
+  call<T extends IParsedResponse>(actions: Actions, args: { [key: string]: any; parse: true }): Promise<T>;
+  call(actions: Actions, args?: { [key: string]: any; parse?: false }): Promise<ApiResponse>;
+  call(actions: Actions, args?: { [key: string]: any; parse?: boolean }): Promise<IParsedResponse | ApiResponse> {
     if (!actions)
       throw new Error('An active caller must be provided');
     if (!this.metadata.api_url)

src/parser/classes/PageHeader.ts

@@ -0,0 +1,16 @@
+import { YTNode } from '../helpers.js';
+import Parser, { type RawNode } from '../index.js';
+import PageHeaderView from './PageHeaderView.js';
+
+export default class PageHeader extends YTNode {
+  static type = 'PageHeader';
+
+  page_title: string;
+  content: PageHeaderView | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.page_title = data.pageTitle;
+    this.content = Parser.parseItem(data.content, PageHeaderView);
+  }
+}

src/parser/classes/PageHeaderView.ts

@@ -0,0 +1,17 @@
+import { YTNode } from '../helpers.js';
+import Parser, { type RawNode } from '../index.js';
+import ContentPreviewImageView from './ContentPreviewImageView.js';
+import DynamicTextView from './DynamicTextView.js';
+
+export default class PageHeaderView extends YTNode {
+  static type = 'PageHeaderView';
+
+  image: ContentPreviewImageView | null;
+  title: DynamicTextView | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.image = Parser.parseItem(data.image, ContentPreviewImageView);
+    this.title = Parser.parseItem(data.title, DynamicTextView);
+  }
+}

src/parser/classes/PlayerCaptionsTracklist.ts

@@ -17,10 +17,10 @@ export default class PlayerCaptionsTracklist extends YTNode {
   audio_tracks?: {
     audio_track_id: string;
     captions_initial_state: string;
-    default_caption_track_index: number;
+    default_caption_track_index?: number;
     has_default_track: boolean;
     visibility: string;
-    caption_track_indices: number;
+    caption_track_indices: number[];
   }[];
 
   default_audio_track_index?: number;

src/parser/classes/PlayerStoryboardSpec.ts

@@ -13,7 +13,7 @@ export default class PlayerStoryboardSpec extends YTNode {
     columns: number;
     rows: number;
     storyboard_count: number;
-  };
+  }[];
 
   constructor(data: RawNode) {
     super();

src/parser/classes/Playlist.ts

@@ -1,6 +1,7 @@
 import { YTNode, type ObservedArray } from '../helpers.js';
 import Parser, { type RawNode } from '../index.js';
 import NavigationEndpoint from './NavigationEndpoint.js';
+import PlaylistCustomThumbnail from './PlaylistCustomThumbnail.js';
 import PlaylistVideoThumbnail from './PlaylistVideoThumbnail.js';
 import Author from './misc/Author.js';
 import Text from './misc/Text.js';
@@ -13,7 +14,7 @@ export default class Playlist extends YTNode {
   title: Text;
   author: Text | Author;
   thumbnails: Thumbnail[];
-  thumbnail_renderer?: PlaylistVideoThumbnail;
+  thumbnail_renderer?: PlaylistVideoThumbnail | PlaylistCustomThumbnail;
   video_count: Text;
   video_count_short: Text;
   first_videos: ObservedArray<YTNode>;
@@ -44,7 +45,7 @@ export default class Playlist extends YTNode {
     this.thumbnail_overlays = Parser.parseArray(data.thumbnailOverlays);
 
     if (Reflect.has(data, 'thumbnailRenderer')) {
-      this.thumbnail_renderer = Parser.parseItem(data.thumbnailRenderer, PlaylistVideoThumbnail) || undefined;
+      this.thumbnail_renderer = Parser.parseItem(data.thumbnailRenderer, [ PlaylistVideoThumbnail, PlaylistCustomThumbnail ]) || undefined;
     }
 
     if (Reflect.has(data, 'viewPlaylistText')) {

src/parser/classes/Quiz.ts

@@ -0,0 +1,25 @@
+import { YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+import Text from './misc/Text.js';
+
+export default class Quiz extends YTNode {
+  static type = 'Quiz';
+
+  choices: {
+    text: Text;
+    is_correct: boolean;
+  }[];
+
+  total_votes: Text;
+
+  constructor(data: RawNode) {
+    super();
+
+    this.choices = data.choices.map((choice: RawNode) => ({
+      text: new Text(choice.text),
+      is_correct: choice.isCorrect
+    }));
+
+    this.total_votes = new Text(data.totalVotes);
+  }
+}

src/parser/classes/SearchFilterOptionsDialog.ts

@@ -0,0 +1,18 @@
+import type { ObservedArray } from '../helpers.js';
+import { YTNode } from '../helpers.js';
+import { Parser, type RawNode } from '../index.js';
+import SearchFilterGroup from './SearchFilterGroup.js';
+import Text from './misc/Text.js';
+
+export default class SearchFilterOptionsDialog extends YTNode {
+  static type = 'SearchFilterOptionsDialog';
+
+  title: Text;
+  groups: ObservedArray<SearchFilterGroup>;
+
+  constructor(data: RawNode) {
+    super();
+    this.title = new Text(data.title);
+    this.groups = Parser.parseArray(data.groups, SearchFilterGroup);
+  }
+}

src/parser/classes/SearchHeader.ts

@@ -0,0 +1,17 @@
+import { YTNode } from '../helpers.js';
+import { Parser, type RawNode } from '../index.js';
+import Button from './Button.js';
+import ChipCloud from './ChipCloud.js';
+
+export default class SearchHeader extends YTNode {
+  static type = 'SearchHeader';
+
+  chip_bar: ChipCloud | null;
+  search_filter_button: Button | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.chip_bar = Parser.parseItem(data.chipBar, ChipCloud);
+    this.search_filter_button = Parser.parseItem(data.searchFilterButton, Button);
+  }
+}

src/parser/classes/SearchSubMenu.ts

@@ -8,14 +8,19 @@ import ToggleButton from './ToggleButton.js';
 export default class SearchSubMenu extends YTNode {
   static type = 'SearchSubMenu';
 
-  title: Text;
-  groups: ObservedArray<SearchFilterGroup>;
-  button: ToggleButton | null;
+  title?: Text;
+  groups?: ObservedArray<SearchFilterGroup>;
+  button?: ToggleButton | null;
 
   constructor(data: RawNode) {
     super();
-    this.title = new Text(data.title);
-    this.groups = Parser.parseArray(data.groups, SearchFilterGroup);
-    this.button = Parser.parseItem(data.button, ToggleButton);
+    if (Reflect.has(data, 'title'))
+      this.title = new Text(data.title);
+
+    if (!Reflect.has(data, 'groups'))
+      this.groups = Parser.parseArray(data.groups, SearchFilterGroup);
+
+    if (Reflect.has(data, 'button'))
+      this.button = Parser.parseItem(data.button, ToggleButton);
   }
 }

src/parser/classes/StructuredDescriptionContent.ts

@@ -1,16 +1,18 @@
-import { type ObservedArray, YTNode } from '../helpers.js';
+import { YTNode, type ObservedArray } from '../helpers.js';
 import Parser, { type RawNode } from '../index.js';
 import ExpandableVideoDescriptionBody from './ExpandableVideoDescriptionBody.js';
+import HorizontalCardList from './HorizontalCardList.js';
 import VideoDescriptionHeader from './VideoDescriptionHeader.js';
+import VideoDescriptionInfocardsSection from './VideoDescriptionInfocardsSection.js';
 import VideoDescriptionMusicSection from './VideoDescriptionMusicSection.js';
 
 export default class StructuredDescriptionContent extends YTNode {
   static type = 'StructuredDescriptionContent';
 
-  items: ObservedArray<VideoDescriptionHeader|ExpandableVideoDescriptionBody|VideoDescriptionMusicSection>;
+  items: ObservedArray<VideoDescriptionHeader | ExpandableVideoDescriptionBody | VideoDescriptionMusicSection | VideoDescriptionInfocardsSection | HorizontalCardList>;
 
   constructor(data: RawNode) {
     super();
-    this.items = Parser.parseArray(data.items, [ VideoDescriptionHeader, ExpandableVideoDescriptionBody, VideoDescriptionMusicSection ]);
+    this.items = Parser.parseArray(data.items, [ VideoDescriptionHeader, ExpandableVideoDescriptionBody, VideoDescriptionMusicSection, VideoDescriptionInfocardsSection, HorizontalCardList ]);
   }
-}
+}

src/parser/classes/VideoDescriptionHeader.ts

@@ -1,7 +1,6 @@
-import { type ObservedArray, YTNode } from '../helpers.js';
+import { YTNode, type ObservedArray } from '../helpers.js';
 import Parser, { type RawNode } from '../index.js';
-import { Text } from '../misc.js';
-import type { Thumbnail } from '../misc.js';
+import { Text, Thumbnail } from '../misc.js';
 import Factoid from './Factoid.js';
 import NavigationEndpoint from './NavigationEndpoint.js';
 
@@ -10,7 +9,7 @@ export default class VideoDescriptionHeader extends YTNode {
 
   channel: Text;
   channel_navigation_endpoint?: NavigationEndpoint;
-  channel_thumbnails: String[];
+  channel_thumbnail: Thumbnail[];
   factoids: ObservedArray<Factoid>;
   publish_date: Text;
   title: Text;
@@ -20,8 +19,8 @@ export default class VideoDescriptionHeader extends YTNode {
     super();
     this.title = new Text(data.title);
     this.channel = new Text(data.channel);
-    this.channel_navigation_endpoint = Parser.parseItem(data.channelNavigationEndpoint, NavigationEndpoint) || undefined;
-    this.channel_thumbnails = data.channelThumbnail.thumbnails.map((thumbnail: Thumbnail) => thumbnail.url);
+    this.channel_navigation_endpoint = new NavigationEndpoint(data.channelNavigationEndpoint);
+    this.channel_thumbnail = Thumbnail.fromResponse(data.channelThumbnail);
     this.publish_date = new Text(data.publishDate);
     this.views = new Text(data.views);
     this.factoids = Parser.parseArray(data.factoid, Factoid);

src/parser/classes/VideoDescriptionInfocardsSection.ts

@@ -0,0 +1,28 @@
+import Parser, { type RawNode } from '../index.js';
+
+import { YTNode } from '../helpers.js';
+import Text from './misc/Text.js';
+import Thumbnail from './misc/Thumbnail.js';
+import Button from './Button.js';
+import NavigationEndpoint from './NavigationEndpoint.js';
+
+export default class VideoDescriptionInfocardsSection extends YTNode {
+  static type = 'VideoDescriptionInfocardsSection';
+
+  section_title: Text;
+  creator_videos_button: Button | null;
+  creator_about_button: Button | null;
+  section_subtitle: Text;
+  channel_avatar: Thumbnail[];
+  channel_endpoint: NavigationEndpoint;
+
+  constructor(data: RawNode) {
+    super();
+    this.section_title = new Text(data.sectionTitle);
+    this.creator_videos_button = Parser.parseItem(data.creatorVideosButton, Button);
+    this.creator_about_button = Parser.parseItem(data.creatorAboutButton, Button);
+    this.section_subtitle = new Text(data.sectionSubtitle);
+    this.channel_avatar = Thumbnail.fromResponse(data.channelAvatar);
+    this.channel_endpoint = new NavigationEndpoint(data.channelEndpoint);
+  }
+}

src/parser/classes/VideoDescriptionMusicSection.ts

@@ -1,13 +1,14 @@
-import { type ObservedArray, YTNode } from '../helpers.js';
-import CarouselLockup from './CarouselLockup.js';
+import { YTNode, type ObservedArray } from '../helpers.js';
 import Parser, { type RawNode } from '../index.js';
 import { Text } from '../misc.js';
+import CarouselLockup from './CarouselLockup.js';
 
 export default class VideoDescriptionMusicSection extends YTNode {
   static type = 'VideoDescriptionMusicSection';
 
   carousel_lockups: ObservedArray<CarouselLockup>;
   section_title: Text;
+
   constructor(data: RawNode) {
     super();
     this.carousel_lockups = Parser.parseArray(data.carouselLockups, CarouselLockup);

src/parser/classes/comments/CommentsEntryPointHeader.ts

@@ -1,9 +1,10 @@
 import Text from '../misc/Text.js';
 import Thumbnail from '../misc/Thumbnail.js';
+import CommentsSimplebox from './CommentsSimplebox.js';
+import CommentsEntryPointTeaser from './CommentsEntryPointTeaser.js';
 import { YTNode } from '../../helpers.js';
 import type { RawNode } from '../../index.js';
 import { Parser } from '../../index.js';
-import CommentsEntryPointTeaser from './CommentsEntryPointTeaser.js';
 
 export default class CommentsEntryPointHeader extends YTNode {
   static type = 'CommentsEntryPointHeader';
@@ -12,7 +13,7 @@ export default class CommentsEntryPointHeader extends YTNode {
   comment_count?: Text;
   teaser_avatar?: Thumbnail[];
   teaser_content?: Text;
-  content_renderer?: CommentsEntryPointTeaser | null;
+  content_renderer?: CommentsEntryPointTeaser | CommentsSimplebox | null;
   simplebox_placeholder?: Text;
 
   constructor(data: RawNode) {
@@ -35,7 +36,7 @@ export default class CommentsEntryPointHeader extends YTNode {
     }
 
     if (Reflect.has(data, 'contentRenderer')) {
-      this.content_renderer = Parser.parseItem(data.contentRenderer, CommentsEntryPointTeaser);
+      this.content_renderer = Parser.parseItem(data.contentRenderer, [ CommentsEntryPointTeaser, CommentsSimplebox ]);
     }
 
     if (Reflect.has(data, 'simpleboxPlaceholder')) {

src/parser/classes/comments/CommentsSimplebox.ts

@@ -0,0 +1,17 @@
+import { YTNode } from '../../helpers.js';
+import Text from '../misc/Text.js';
+import Thumbnail from '../misc/Thumbnail.js';
+import type { RawNode } from '../../index.js';
+
+export default class CommentsSimplebox extends YTNode {
+  static type = 'CommentsSimplebox';
+
+  simplebox_avatar: Thumbnail[];
+  simplebox_placeholder: Text;
+
+  constructor(data: RawNode) {
+    super();
+    this.simplebox_avatar = Thumbnail.fromResponse(data.simpleboxAvatar);
+    this.simplebox_placeholder = new Text(data.simpleboxPlaceholder);
+  }
+}

src/parser/classes/misc/Format.ts

@@ -46,6 +46,12 @@ export default class Format {
   is_descriptive?: boolean;
   is_original?: boolean;
 
+  color_info?: {
+    primaries?: string;
+    transfer_characteristics?: string;
+    matrix_coefficients?: string;
+  };
+
   constructor(data: RawNode) {
     this.itag = data.itag;
     this.mime_type = data.mimeType;
@@ -81,14 +87,24 @@ export default class Format {
     this.has_audio = !!data.audioBitrate || !!data.audioQuality;
     this.has_video = !!data.qualityLabel;
 
+    this.color_info = data.colorInfo ? {
+      primaries: data.colorInfo.primaries?.replace('COLOR_PRIMARIES_', ''),
+      transfer_characteristics: data.colorInfo.transferCharacteristics?.replace('COLOR_TRANSFER_CHARACTERISTICS_', ''),
+      matrix_coefficients: data.colorInfo.matrixCoefficients?.replace('COLOR_MATRIX_COEFFICIENTS_', '')
+    } : undefined;
+
     if (this.has_audio) {
       const args = new URLSearchParams(this.cipher || this.signature_cipher);
       const url_components = new URLSearchParams(args.get('url') || this.url);
 
-      this.language = url_components.get('xtags')?.split(':').find((x: string) => x.startsWith('lang='))?.split('=').at(1) || null;
-      this.is_dubbed = url_components.get('xtags')?.split(':').find((x: string) => x.startsWith('acont='))?.split('=').at(1) === 'dubbed';
-      this.is_descriptive = url_components.get('xtags')?.split(':').find((x: string) => x.startsWith('acont='))?.split('=').at(1) === 'descriptive';
-      this.is_original = url_components.get('xtags')?.split(':').find((x: string) => x.startsWith('acont='))?.split('=').at(1) === 'original' || !this.is_dubbed;
+      const xtags = url_components.get('xtags')?.split(':');
+
+      const audio_content = xtags?.find((x) => x.startsWith('acont='))?.split('=')[1];
+
+      this.language = xtags?.find((x: string) => x.startsWith('lang='))?.split('=')[1] || null;
+      this.is_dubbed = audio_content === 'dubbed';
+      this.is_descriptive = audio_content === 'descriptive';
+      this.is_original = audio_content === 'original' || !this.is_dubbed || !this.is_descriptive;
 
       if (Reflect.has(data, 'audioTrack')) {
         this.audio_track = {

src/parser/generator.ts

@@ -1,5 +1,5 @@
 /* eslint-disable no-cond-assign */
-import { Platform } from '../utils/Utils.js';
+import { InnertubeError, Platform } from '../utils/Utils.js';
 import Author from './classes/misc/Author.js';
 import Text from './classes/misc/Text.js';
 import Thumbnail from './classes/misc/Thumbnail.js';
@@ -62,7 +62,9 @@ export class YTNodeGenerator {
     return str.replace(/[A-Z]/g, (letter) => `_${letter.toLowerCase()}`);
   }
   static #logNewClass(classname: string, key_info: KeyInfo) {
-    console.warn(`${classname} not found!\nThis is a bug, want to help us fix it? Follow the instructions at ${Platform.shim.info.repo_url}/blob/main/docs/updating-the-parser.md or report it at ${Platform.shim.info.bugs_url}!\nIntrospected and JIT generated this class in the meantime:\n${this.generateTypescriptClass(classname, key_info)}`);
+    console.warn(
+      new InnertubeError(`${classname} not found!\nThis is a bug, want to help us fix it? Follow the instructions at ${Platform.shim.info.repo_url}/blob/main/docs/updating-the-parser.md or report it at ${Platform.shim.info.bugs_url}!\nIntrospected and JIT generated this class in the meantime:\n${this.generateTypescriptClass(classname, key_info)}`)
+    );
   }
   static #logChangedKeys(classname: string, key_info: KeyInfo, changed_keys: KeyInfo) {
     console.warn(`${classname} changed!\nThe following keys where altered: ${changed_keys.map(([ key ]) => this.#camelToSnake(key)).join(', ')}\nThe class has changed to:\n${this.generateTypescriptClass(classname, key_info)}`);
@@ -460,15 +462,15 @@ export class YTNodeGenerator {
    * @returns The parsed value
    */
   static parse(key: string, inference_type: InferenceType, data: any, key_path: string[] = [ 'data' ]) {
-    const should_optional = !inference_type.optional || this.#hasDataFromKeyPath({data}, [ ...key_path, key ]);
+    const should_optional = !inference_type.optional || this.#hasDataFromKeyPath({ data }, [ ...key_path, key ]);
     switch (inference_type.type) {
       case 'renderer':
       {
-        return should_optional ? Parser.parseItem(this.#accessDataFromKeyPath({data}, [ ...key_path, key ]), inference_type.renderers.map((type) => Parser.getParserByName(type))) : undefined;
+        return should_optional ? Parser.parseItem(this.#accessDataFromKeyPath({ data }, [ ...key_path, key ]), inference_type.renderers.map((type) => Parser.getParserByName(type))) : undefined;
       }
       case 'renderer_list':
       {
-        return should_optional ? Parser.parse(this.#accessDataFromKeyPath({data}, [ ...key_path, key ]), true, inference_type.renderers.map((type) => Parser.getParserByName(type))) : undefined;
+        return should_optional ? Parser.parse(this.#accessDataFromKeyPath({ data }, [ ...key_path, key ]), true, inference_type.renderers.map((type) => Parser.getParserByName(type))) : undefined;
       }
       case 'object':
       {
@@ -482,25 +484,25 @@ export class YTNodeGenerator {
       case 'misc':
         switch (inference_type.misc_type) {
           case 'NavigationEndpoint':
-            return should_optional ? new NavigationEndpoint(this.#accessDataFromKeyPath({data}, [ ...key_path, key ])) : undefined;
+            return should_optional ? new NavigationEndpoint(this.#accessDataFromKeyPath({ data }, [ ...key_path, key ])) : undefined;
           case 'Text':
-            return should_optional ? new Text(this.#accessDataFromKeyPath({data}, [ ...key_path, key ])) : undefined;
+            return should_optional ? new Text(this.#accessDataFromKeyPath({ data }, [ ...key_path, key ])) : undefined;
           case 'Thumbnail':
-            return should_optional ? Thumbnail.fromResponse(this.#accessDataFromKeyPath({data}, [ ...key_path, key ])) : undefined;
+            return should_optional ? Thumbnail.fromResponse(this.#accessDataFromKeyPath({ data }, [ ...key_path, key ])) : undefined;
           case 'Author':
           {
-            const author_should_optional = !inference_type.optional || this.#hasDataFromKeyPath({data}, [ ...key_path, inference_type.params[0] ]);
+            const author_should_optional = !inference_type.optional || this.#hasDataFromKeyPath({ data }, [ ...key_path, inference_type.params[0] ]);
             return author_should_optional ? new Author(
-              this.#accessDataFromKeyPath({data}, [ ...key_path, inference_type.params[0] ]),
+              this.#accessDataFromKeyPath({ data }, [ ...key_path, inference_type.params[0] ]),
               inference_type.params[1] ?
-                this.#accessDataFromKeyPath({data}, [ ...key_path, inference_type.params[1] ]) : undefined
+                this.#accessDataFromKeyPath({ data }, [ ...key_path, inference_type.params[1] ]) : undefined
             ) : undefined;
           }
         }
         throw new Error('Unreachable code reached! Switch missing case!');
       case 'primative':
       case 'unknown':
-        return this.#accessDataFromKeyPath({data}, [ ...key_path, key ]);
+        return this.#accessDataFromKeyPath({ data }, [ ...key_path, key ]);
     }
   }
   static #passOne(classdata: any) {

src/parser/nodes.ts

@@ -58,6 +58,7 @@ export { default as CommentsEntryPointHeader } from './classes/comments/Comments
 export { default as CommentsEntryPointTeaser } from './classes/comments/CommentsEntryPointTeaser.js';
 export { default as CommentsHeader } from './classes/comments/CommentsHeader.js';
 export { default as CommentSimplebox } from './classes/comments/CommentSimplebox.js';
+export { default as CommentsSimplebox } from './classes/comments/CommentsSimplebox.js';
 export { default as CommentThread } from './classes/comments/CommentThread.js';
 export { default as CreatorHeart } from './classes/comments/CreatorHeart.js';
 export { default as EmojiPicker } from './classes/comments/EmojiPicker.js';
@@ -70,6 +71,7 @@ export { default as CompactPlaylist } from './classes/CompactPlaylist.js';
 export { default as CompactStation } from './classes/CompactStation.js';
 export { default as CompactVideo } from './classes/CompactVideo.js';
 export { default as ConfirmDialog } from './classes/ConfirmDialog.js';
+export { default as ContentPreviewImageView } from './classes/ContentPreviewImageView.js';
 export { default as ContinuationItem } from './classes/ContinuationItem.js';
 export { default as ConversationBar } from './classes/ConversationBar.js';
 export { default as CopyLink } from './classes/CopyLink.js';
@@ -80,6 +82,7 @@ export { default as DidYouMean } from './classes/DidYouMean.js';
 export { default as DownloadButton } from './classes/DownloadButton.js';
 export { default as Dropdown } from './classes/Dropdown.js';
 export { default as DropdownItem } from './classes/DropdownItem.js';
+export { default as DynamicTextView } from './classes/DynamicTextView.js';
 export { default as Element } from './classes/Element.js';
 export { default as EmergencyOnebox } from './classes/EmergencyOnebox.js';
 export { default as EmojiPickerCategory } from './classes/EmojiPickerCategory.js';
@@ -90,6 +93,7 @@ export { default as EndscreenElement } from './classes/EndscreenElement.js';
 export { default as EndScreenPlaylist } from './classes/EndScreenPlaylist.js';
 export { default as EndScreenVideo } from './classes/EndScreenVideo.js';
 export { default as EngagementPanelSectionList } from './classes/EngagementPanelSectionList.js';
+export { default as EngagementPanelTitleHeader } from './classes/EngagementPanelTitleHeader.js';
 export { default as ExpandableMetadata } from './classes/ExpandableMetadata.js';
 export { default as ExpandableTab } from './classes/ExpandableTab.js';
 export { default as ExpandableVideoDescriptionBody } from './classes/ExpandableVideoDescriptionBody.js';
@@ -114,6 +118,7 @@ export { default as GuideEntry } from './classes/GuideEntry.js';
 export { default as GuideSection } from './classes/GuideSection.js';
 export { default as GuideSubscriptionsSection } from './classes/GuideSubscriptionsSection.js';
 export { default as HashtagHeader } from './classes/HashtagHeader.js';
+export { default as HashtagTile } from './classes/HashtagTile.js';
 export { default as Heatmap } from './classes/Heatmap.js';
 export { default as HeatMarker } from './classes/HeatMarker.js';
 export { default as HeroPlaylistThumbnail } from './classes/HeroPlaylistThumbnail.js';
@@ -123,6 +128,7 @@ export { default as HorizontalCardList } from './classes/HorizontalCardList.js';
 export { default as HorizontalList } from './classes/HorizontalList.js';
 export { default as HorizontalMovieList } from './classes/HorizontalMovieList.js';
 export { default as IconLink } from './classes/IconLink.js';
+export { default as IncludingResultsFor } from './classes/IncludingResultsFor.js';
 export { default as InfoPanelContainer } from './classes/InfoPanelContainer.js';
 export { default as InfoPanelContent } from './classes/InfoPanelContent.js';
 export { default as InfoRow } from './classes/InfoRow.js';
@@ -177,6 +183,8 @@ export { default as LiveChatItemList } from './classes/LiveChatItemList.js';
 export { default as LiveChatMessageInput } from './classes/LiveChatMessageInput.js';
 export { default as LiveChatParticipant } from './classes/LiveChatParticipant.js';
 export { default as LiveChatParticipantsList } from './classes/LiveChatParticipantsList.js';
+export { default as MacroMarkersInfoItem } from './classes/MacroMarkersInfoItem.js';
+export { default as MacroMarkersList } from './classes/MacroMarkersList.js';
 export { default as MacroMarkersListItem } from './classes/MacroMarkersListItem.js';
 export { default as Menu } from './classes/menus/Menu.js';
 export { default as MenuNavigationItem } from './classes/menus/MenuNavigationItem.js';
@@ -232,6 +240,8 @@ export { default as MusicTwoRowItem } from './classes/MusicTwoRowItem.js';
 export { default as MusicVisualHeader } from './classes/MusicVisualHeader.js';
 export { default as NavigationEndpoint } from './classes/NavigationEndpoint.js';
 export { default as Notification } from './classes/Notification.js';
+export { default as PageHeader } from './classes/PageHeader.js';
+export { default as PageHeaderView } from './classes/PageHeaderView.js';
 export { default as PageIntroduction } from './classes/PageIntroduction.js';
 export { default as PlayerAnnotationsExpanded } from './classes/PlayerAnnotationsExpanded.js';
 export { default as PlayerCaptionsTracklist } from './classes/PlayerCaptionsTracklist.js';
@@ -264,6 +274,7 @@ export { default as ProfileColumn } from './classes/ProfileColumn.js';
 export { default as ProfileColumnStats } from './classes/ProfileColumnStats.js';
 export { default as ProfileColumnStatsEntry } from './classes/ProfileColumnStatsEntry.js';
 export { default as ProfileColumnUserInfo } from './classes/ProfileColumnUserInfo.js';
+export { default as Quiz } from './classes/Quiz.js';
 export { default as RecognitionShelf } from './classes/RecognitionShelf.js';
 export { default as ReelItem } from './classes/ReelItem.js';
 export { default as ReelShelf } from './classes/ReelShelf.js';
@@ -278,6 +289,8 @@ export { default as RichShelf } from './classes/RichShelf.js';
 export { default as SearchBox } from './classes/SearchBox.js';
 export { default as SearchFilter } from './classes/SearchFilter.js';
 export { default as SearchFilterGroup } from './classes/SearchFilterGroup.js';
+export { default as SearchFilterOptionsDialog } from './classes/SearchFilterOptionsDialog.js';
+export { default as SearchHeader } from './classes/SearchHeader.js';
 export { default as SearchRefinementCard } from './classes/SearchRefinementCard.js';
 export { default as SearchSubMenu } from './classes/SearchSubMenu.js';
 export { default as SearchSuggestion } from './classes/SearchSuggestion.js';
@@ -342,6 +355,7 @@ export { default as VerticalWatchCardList } from './classes/VerticalWatchCardLis
 export { default as Video } from './classes/Video.js';
 export { default as VideoCard } from './classes/VideoCard.js';
 export { default as VideoDescriptionHeader } from './classes/VideoDescriptionHeader.js';
+export { default as VideoDescriptionInfocardsSection } from './classes/VideoDescriptionInfocardsSection.js';
 export { default as VideoDescriptionMusicSection } from './classes/VideoDescriptionMusicSection.js';
 export { default as VideoInfoCardContent } from './classes/VideoInfoCardContent.js';
 export { default as VideoOwner } from './classes/VideoOwner.js';

src/parser/parser.ts

@@ -413,6 +413,8 @@ export default class Parser {
     return observe(actions.map((action: any) => {
       if (action.navigateAction)
         return new NavigateAction(action.navigateAction);
+      if (action.showMiniplayerCommand)
+        return new ShowMiniplayerCommand(action.showMiniplayerCommand);
       if (action.reloadContinuationItemsCommand)
         return new ReloadContinuationItemsCommand(action.reloadContinuationItemsCommand);
       if (action.appendContinuationItemsAction)
@@ -574,6 +576,19 @@ export class NavigateAction extends YTNode {
   }
 }
 
+export class ShowMiniplayerCommand extends YTNode {
+  static readonly type = 'showMiniplayerCommand';
+
+  miniplayer_command: NavigationEndpoint;
+  show_premium_branding: boolean;
+
+  constructor(data: RawNode) {
+    super();
+    this.miniplayer_command = new NavigationEndpoint(data.miniplayerCommand);
+    this.show_premium_branding = data.showPremiumBranding;
+  }
+}
+
 export class AppendContinuationItemsAction extends YTNode {
   static readonly type = 'appendContinuationItemsAction';
 

src/parser/youtube/Channel.ts

@@ -9,6 +9,7 @@ import SubscribeButton from '../classes/SubscribeButton.js';
 import ExpandableTab from '../classes/ExpandableTab.js';
 import SectionList from '../classes/SectionList.js';
 import Tab from '../classes/Tab.js';
+import PageHeader from '../classes/PageHeader.js';
 
 import Feed from '../../core/mixins/Feed.js';
 import FilterableFeed from '../../core/mixins/FilterableFeed.js';
@@ -25,7 +26,7 @@ import type { ApiResponse } from '../../core/Actions.js';
 import type { IBrowseResponse } from '../types/index.js';
 
 export default class Channel extends TabbedFeed<IBrowseResponse> {
-  header?: C4TabbedHeader | CarouselHeader | InteractiveTabbedHeader;
+  header?: C4TabbedHeader | CarouselHeader | InteractiveTabbedHeader | PageHeader;
   metadata;
   subscribe_button?: SubscribeButton;
   current_tab?: Tab | ExpandableTab;
@@ -33,7 +34,7 @@ export default class Channel extends TabbedFeed<IBrowseResponse> {
   constructor(actions: Actions, data: ApiResponse | IBrowseResponse, already_parsed = false) {
     super(actions, data, already_parsed);
 
-    this.header = this.page.header?.item()?.as(C4TabbedHeader, CarouselHeader, InteractiveTabbedHeader);
+    this.header = this.page.header?.item()?.as(C4TabbedHeader, CarouselHeader, InteractiveTabbedHeader, PageHeader);
 
     const metadata = this.page.metadata?.item().as(ChannelMetadata);
     const microformat = this.page.microformat?.as(MicroformatData);
@@ -163,6 +164,16 @@ export default class Channel extends TabbedFeed<IBrowseResponse> {
     return new Channel(this.actions, tab.page, true);
   }
 
+  async getReleases(): Promise<Channel> {
+    const tab = await this.getTabByURL('releases');
+    return new Channel(this.actions, tab.page, true);
+  }
+
+  async getPodcasts(): Promise<Channel> {
+    const tab = await this.getTabByURL('podcasts');
+    return new Channel(this.actions, tab.page, true);
+  }
+
   async getPlaylists(): Promise<Channel> {
     const tab = await this.getTabByURL('playlists');
     return new Channel(this.actions, tab.page, true);
@@ -217,6 +228,14 @@ export default class Channel extends TabbedFeed<IBrowseResponse> {
     return this.hasTabWithURL('streams');
   }
 
+  get has_releases(): boolean {
+    return this.hasTabWithURL('releases');
+  }
+
+  get has_podcasts(): boolean {
+    return this.hasTabWithURL('podcasts');
+  }
+
   get has_playlists(): boolean {
     return this.hasTabWithURL('playlists');
   }

src/parser/youtube/Search.ts

@@ -2,6 +2,7 @@ import Feed from '../../core/mixins/Feed.js';
 import { InnertubeError } from '../../utils/Utils.js';
 import HorizontalCardList from '../classes/HorizontalCardList.js';
 import ItemSection from '../classes/ItemSection.js';
+import SearchHeader from '../classes/SearchHeader.js';
 import SearchRefinementCard from '../classes/SearchRefinementCard.js';
 import SearchSubMenu from '../classes/SearchSubMenu.js';
 import SectionList from '../classes/SectionList.js';
@@ -11,8 +12,8 @@ import type Actions from '../../core/Actions.js';
 import type { ApiResponse } from '../../core/Actions.js';
 import type { ObservedArray, YTNode } from '../helpers.js';
 import type { ISearchResponse } from '../types/ParsedResponse.js';
-
 class Search extends Feed<ISearchResponse> {
+  header?: SearchHeader;
   results?: ObservedArray<YTNode> | null;
   refinements: string[];
   estimated_results: number;
@@ -30,6 +31,9 @@ class Search extends Feed<ISearchResponse> {
     if (!contents)
       throw new InnertubeError('No contents found in search response');
 
+    if (this.page.header)
+      this.header = this.page.header.item().as(SearchHeader);
+
     this.results = contents.find((content) => content.is(ItemSection) && content.contents && content.contents.length > 0)?.as(ItemSection).contents;
 
     this.refinements = this.page.refinements || [];

src/parser/youtube/VideoInfo.ts

@@ -99,6 +99,28 @@ class VideoInfo extends MediaInfo {
     this.captions = info.captions;
     this.cards = info.cards;
 
+    if (this.streaming_data) {
+      const default_audio_track = this.streaming_data.adaptive_formats.find((format) => format.audio_track?.audio_is_default);
+      if (default_audio_track) {
+        // The combined formats only exist for the default language, even for videos with multiple audio tracks
+        // So we can copy the language from the default audio track to the combined formats
+        this.streaming_data.formats.forEach((format) => format.language = default_audio_track.language);
+      } else if (typeof this.captions?.default_audio_track_index !== 'undefined' && this.captions?.audio_tracks && this.captions.caption_tracks) {
+        // For videos with a single audio track and captions, we can use the captions to figure out the language of the audio and combined formats
+        const audioTrack = this.captions.audio_tracks[this.captions.default_audio_track_index];
+        const defaultCaptionTrackIndex = audioTrack.default_caption_track_index;
+        const index = audioTrack.caption_track_indices[defaultCaptionTrackIndex ? defaultCaptionTrackIndex : 0];
+        const language_code = this.captions.caption_tracks[index].language_code;
+
+        this.streaming_data.adaptive_formats.forEach((format) => {
+          if (format.has_audio) {
+            format.language = language_code;
+          }
+        });
+        this.streaming_data.formats.forEach((format) => format.language = language_code);
+      }
+    }
+
     const two_col = next?.contents?.item().as(TwoColumnWatchNextResults);
 
     const results = two_col?.results;
@@ -339,36 +361,45 @@ class VideoInfo extends MediaInfo {
    * Get songs used in the video.
    */
   get music_tracks() {
+    // @TODO: Refactor this.
     const description_content = this.page[1]?.engagement_panels?.filter((panel) => panel.content?.is(StructuredDescriptionContent));
     if (description_content !== undefined && description_content.length > 0) {
-      const music_section = (description_content[0].content as StructuredDescriptionContent)?.items.filter((item: YTNode) => item?.is(VideoDescriptionMusicSection)) as VideoDescriptionMusicSection[];
+      const music_section = description_content[0].content?.as(StructuredDescriptionContent)?.items?.filterType(VideoDescriptionMusicSection);
       if (music_section !== undefined && music_section.length > 0) {
         return music_section[0].carousel_lockups?.map((lookup) => {
-          let song, artist, album, license, videoId, channelId;
+          let song: string | undefined;
+          let artist: string | undefined;
+          let album: string | undefined;
+          let license: string | undefined;
+          let videoId: string | undefined;
+          let channelId: string | undefined;
+
           // If the song isn't in the video_lockup, it should be in the info_rows
-          song = lookup.video_lockup?.title;
+          song = lookup.video_lockup?.title?.toString();
           // If the video id isn't in the video_lockup, it should be in the info_rows
           videoId = lookup.video_lockup?.endpoint.payload.videoId;
           for (let i = 0; i < lookup.info_rows.length; i++) {
             const info_row = lookup.info_rows[i];
             if (info_row.info_row_expand_status_key === undefined) {
               if (song === undefined) {
-                song = info_row.metadata_text;
+                song = info_row.default_metadata?.toString() || info_row.expanded_metadata?.toString();
                 if (videoId === undefined) {
-                  videoId = info_row.metadata_endpoint?.payload;
+                  const endpoint = info_row.default_metadata?.endpoint || info_row.expanded_metadata?.endpoint;
+                  videoId = endpoint?.payload?.videoId;
                 }
               } else {
-                album = info_row.metadata_text;
+                album = info_row.default_metadata?.toString() || info_row.expanded_metadata?.toString();
               }
             } else {
               if (info_row.info_row_expand_status_key?.indexOf('structured-description-music-section-artists-row-state-id') !== -1) {
-                artist = info_row.metadata_text;
+                artist = info_row.default_metadata?.toString() || info_row.expanded_metadata?.toString();
                 if (channelId === undefined) {
-                  channelId = info_row.metadata_endpoint?.payload?.browseId;
+                  const endpoint = info_row.default_metadata?.endpoint || info_row.expanded_metadata?.endpoint;
+                  channelId = endpoint?.payload?.browseId;
                 }
               }
               if (info_row.info_row_expand_status_key?.indexOf('structured-description-music-section-licenses-row-state-id') !== -1) {
-                license = info_row.metadata_text;
+                license = info_row.default_metadata?.toString() || info_row.expanded_metadata?.toString();
               }
             }
           }

src/types/DashOptions.ts

@@ -0,0 +1,9 @@
+export interface DashOptions {
+  /**
+   * Include the storyboards in the DASH manifest when YouTube provides them.
+   * Not all players support parsing and displaying storyboards.
+   * If the player you are using doesn't support them you can leave this option disabled.
+   * They don't get included by default, as this requires making some extra requests while generating the manifest, which can slow down the manifest generation.
+   */
+  include_thumbnails?: boolean
+}

src/utils/FormatUtils.ts

@@ -3,6 +3,7 @@ import type Actions from '../core/Actions.js';
 
 import type Format from '../parser/classes/misc/Format.js';
 import type AudioOnlyPlayability from '../parser/classes/AudioOnlyPlayability.js';
+import type PlayerStoryboardSpec from '../parser/classes/PlayerStoryboardSpec.js';
 import type { YTNode } from '../parser/helpers.js';
 
 import * as Constants from './Constants.js';
@@ -146,7 +147,7 @@ class FormatUtils {
             chunk_end += chunk_size;
 
             resolve();
-            return;
+
           } catch (e: any) {
             reject(e);
           }
@@ -245,7 +246,7 @@ class FormatUtils {
     adaptive_formats: Format[];
     dash_manifest_url: string | null;
     hls_manifest_url: string | null;
-  }, url_transformer: URLTransformer = (url) => url, format_filter?: FormatFilter, cpn?: string, player?: Player, actions?: Actions): Promise<string> {
+  }, url_transformer: URLTransformer = (url) => url, format_filter?: FormatFilter, cpn?: string, player?: Player, actions?: Actions, storyboards?: PlayerStoryboardSpec): Promise<string> {
     if (!streaming_data)
       throw new InnertubeError('Streaming data not available');
 
@@ -280,7 +281,7 @@ class FormatUtils {
       period
     ]));
 
-    await this.#generateAdaptationSet(document, period, adaptive_formats, url_transformer, cpn, player, actions);
+    await this.#generateAdaptationSet(document, period, adaptive_formats, url_transformer, cpn, player, actions, storyboards);
 
     return Platform.shim.serializeDOM(document);
   }
@@ -297,7 +298,16 @@ class FormatUtils {
     return el;
   }
 
-  static async #generateAdaptationSet(document: XMLDocument, period: Element, formats: Format[], url_transformer: URLTransformer, cpn?: string, player?: Player, actions?: Actions) {
+  static async #generateAdaptationSet(
+    document: XMLDocument,
+    period: Element,
+    formats: Format[],
+    url_transformer: URLTransformer,
+    cpn?: string,
+    player?: Player,
+    actions?: Actions,
+    storyboards?: PlayerStoryboardSpec
+  ) {
     const mime_types: string[] = [];
     const mime_objects: Format[][] = [ [] ];
 
@@ -373,10 +383,17 @@ class FormatUtils {
             label: first_format.audio_track?.display_name as string
           }, children);
 
+          const hoisted: string[] = [];
+
+          this.#hoistCodecsIfPossible(set, track_objects[j], hoisted);
+          this.#hoistNumberAttributeIfPossible(set, track_objects[j], 'audioSamplingRate', 'audio_sample_rate', hoisted);
+
+          this.#hoistAudioChannelsIfPossible(document, set, track_objects[j], hoisted);
+
           period.appendChild(set);
 
           for (const format of track_objects[j]) {
-            await this.#generateRepresentationAudio(document, set, format, url_transformer, cpn, player, actions);
+            await this.#generateRepresentationAudio(document, set, format, url_transformer, hoisted, cpn, player, actions);
           }
         }
       } else {
@@ -387,43 +404,237 @@ class FormatUtils {
           subsegmentAlignment: 'true'
         });
 
+        const color_info = mime_objects[i][0].color_info;
+        if (typeof color_info !== 'undefined') {
+          // Section 5.5 Video source metadata signalling https://dashif.org/docs/IOP-Guidelines/DASH-IF-IOP-Part7-v5.0.0.pdf
+          // Section 8 Video code points https://www.itu.int/rec/T-REC-H.273-202107-I/en
+          // The player.js file was also helpful
+
+          if (color_info.primaries) {
+            let primaries = '';
+
+            switch (color_info.primaries) {
+              case 'BT709':
+                primaries = '1';
+                break;
+              case 'BT2020':
+                primaries = '9';
+                break;
+            }
+
+            if (primaries !== '') {
+              set.appendChild(this.#el(document, 'EssentialProperty', {
+                schemeIdUri: 'urn:mpeg:mpegB:cicp:ColourPrimaries',
+                value: primaries
+              }));
+            }
+          }
+
+          if (color_info.transfer_characteristics) {
+            let transfer_characteristics = '';
+
+            switch (color_info.transfer_characteristics) {
+              case 'BT709':
+                transfer_characteristics = '1';
+                break;
+              case 'BT2020_10':
+                transfer_characteristics = '14';
+                break;
+              case 'SMPTEST2084':
+                transfer_characteristics = '16';
+                break;
+              case 'ARIB_STD_B67':
+                transfer_characteristics = '18';
+                break;
+            }
+
+            if (transfer_characteristics !== '') {
+              set.appendChild(this.#el(document, 'EssentialProperty', {
+                schemeIdUri: 'urn:mpeg:mpegB:cicp:TransferCharacteristics',
+                value: transfer_characteristics
+              }));
+            }
+          }
+
+
+          if (color_info.matrix_coefficients) {
+            let matrix_coefficients = '';
+
+            // This list is incomplete, as the player.js doesn't currently have any code for matrix coefficients,
+            // So it doesn't have a list like with the other two, so this is just based on what we've seen in responses
+            switch (color_info.matrix_coefficients) {
+              case 'BT709':
+                matrix_coefficients = '1';
+                break;
+              case 'BT2020_NCL':
+                matrix_coefficients = '14';
+                break;
+              default: {
+                const format = mime_objects[i][0];
+                const url = new URL(format.url as string);
+
+                const anonymisedFormat = JSON.parse(JSON.stringify(format));
+                anonymisedFormat.url = 'REDACTED';
+                anonymisedFormat.signature_cipher = 'REDACTED';
+                anonymisedFormat.cipher = 'REDACTED';
+
+                console.warn(`YouTube.js toDash(): Unknown matrix coefficients "${color_info.matrix_coefficients}", the DASH manifest is still usuable without this.\n`
+                  + `Please report it at ${Platform.shim.info.bugs_url} so we can add support for it.\n`
+                  + `Innertube client: ${url.searchParams.get('c')}\nformat:`, anonymisedFormat);
+              }
+            }
+
+            if (matrix_coefficients !== '') {
+              set.appendChild(this.#el(document, 'EssentialProperty', {
+                schemeIdUri: 'urn:mpeg:mpegB:cicp:MatrixCoefficients',
+                value: matrix_coefficients
+              }));
+            }
+          }
+        }
+
+        const hoisted: string[] = [];
+
+        this.#hoistCodecsIfPossible(set, mime_objects[i], hoisted);
+
+        if (mime_objects[i][0].has_audio) {
+          this.#hoistNumberAttributeIfPossible(set, mime_objects[i], 'audioSamplingRate', 'audio_sample_rate', hoisted);
+
+          this.#hoistAudioChannelsIfPossible(document, set, mime_objects[i], hoisted);
+
+          const language = mime_objects[i][0].language;
+          if (language) {
+            set.setAttribute('lang', language);
+          }
+        } else {
+          set.setAttribute('maxPlayoutRate', '1');
+
+          this.#hoistNumberAttributeIfPossible(set, mime_objects[i], 'frameRate', 'fps', hoisted);
+        }
+
         period.appendChild(set);
 
         for (const format of mime_objects[i]) {
           if (format.has_video) {
-            await this.#generateRepresentationVideo(document, set, format, url_transformer, cpn, player, actions);
+            await this.#generateRepresentationVideo(document, set, format, url_transformer, hoisted, cpn, player, actions);
           } else {
-            await this.#generateRepresentationAudio(document, set, format, url_transformer, cpn, player, actions);
+            await this.#generateRepresentationAudio(document, set, format, url_transformer, hoisted, cpn, player, actions);
           }
         }
       }
     }
+
+    // We need to make requests to get the image sizes, so we'll skip the storyboards if we don't have an Actions instance
+    if (storyboards && actions) {
+      const mime_types: string[] = [];
+      const mime_objects: {
+        template_url: string;
+        thumbnail_width: number;
+        thumbnail_height: number;
+        thumbnail_count: number;
+        interval: number;
+        columns: number;
+        rows: number;
+        storyboard_count: number;
+      }[][] = [ [] ];
+
+      for (const storyboard of storyboards.boards) {
+        const extension = new URL(storyboard.template_url).pathname.split('.').at(-1);
+
+        let mime_type = '';
+
+        switch (extension) {
+          case 'jpg':
+            mime_type = 'image/jpeg';
+            break;
+          case 'png':
+            mime_type = 'image/png';
+            break;
+          case 'webp':
+            mime_type = 'image/webp';
+            break;
+        }
+
+        const mime_type_index = mime_types.indexOf(mime_type);
+        if (mime_type_index > -1) {
+          mime_objects[mime_type_index].push(storyboard);
+        } else {
+          mime_types.push(mime_type);
+          mime_objects.push([]);
+          mime_objects[mime_types.length - 1].push(storyboard);
+        }
+      }
+
+      const duration = formats[0].approx_duration_ms / 1000;
+
+      for (let i = 0; i < mime_types.length; i++) {
+        const set = this.#el(document, 'AdaptationSet', {
+          id: `${set_id++}`,
+          mimeType: mime_types[i],
+          contentType: 'image'
+        });
+
+        period.appendChild(set);
+
+        for (const storyboard of mime_objects[i]) {
+          await this.#generateRepresentationImage(document, set, storyboard, duration, url_transformer, actions);
+        }
+      }
+    }
   }
 
-  static async #generateRepresentationVideo(document: XMLDocument, set: Element, format: Format, url_transformer: URLTransformer, cpn?: string, player?: Player, actions?: Actions) {
-    const codecs = getStringBetweenStrings(format.mime_type, 'codecs="', '"');
+  static #hoistCodecsIfPossible(set: Element, formats: Format[], hoisted: string[]) {
+    if (formats.length > 1 && new Set(formats.map((format) => getStringBetweenStrings(format.mime_type, 'codecs="', '"'))).size === 1) {
+      set.setAttribute('codecs', getStringBetweenStrings(formats[0].mime_type, 'codecs="', '"') as string);
+      hoisted.push('codecs');
+    }
+  }
 
+  static #hoistNumberAttributeIfPossible(set: Element, formats: Format[], attribute: 'audioSamplingRate' | 'frameRate', property: 'audio_sample_rate' | 'fps', hoisted: string[]) {
+    if (formats.length > 1 && new Set(formats.map((format) => format.fps)).size === 1) {
+      set.setAttribute(attribute, formats[0][property]?.toString() as string);
+      hoisted.push(attribute);
+    }
+  }
+
+  static #hoistAudioChannelsIfPossible(document: XMLDocument, set: Element, formats: Format[], hoisted: string[]) {
+    if (formats.length > 1 && new Set(formats.map((format) => format.audio_channels?.toString() || '2')).size === 1) {
+      set.appendChild(
+        this.#el(document, 'AudioChannelConfiguration', {
+          schemeIdUri: 'urn:mpeg:dash:23003:3:audio_channel_configuration:2011',
+          value: formats[0].audio_channels?.toString() || '2'
+        })
+      );
+      hoisted.push('AudioChannelConfiguration');
+    }
+  }
+
+  static async #generateRepresentationVideo(document: XMLDocument, set: Element, format: Format, url_transformer: URLTransformer, hoisted: string[], cpn?: string, player?: Player, actions?: Actions) {
     const url = new URL(format.decipher(player));
     url.searchParams.set('cpn', cpn || '');
 
     const representation = this.#el(document, 'Representation', {
       id: format.itag?.toString(),
-      codecs,
       bandwidth: format.bitrate?.toString(),
       width: format.width?.toString(),
-      height: format.height?.toString(),
-      maxPlayoutRate: '1',
-      frameRate: format.fps?.toString()
+      height: format.height?.toString()
     });
 
+    if (!hoisted.includes('codecs')) {
+      const codecs = getStringBetweenStrings(format.mime_type, 'codecs="', '"');
+      representation.setAttribute('codecs', codecs as string);
+    }
+
+    if (!hoisted.includes('frameRate')) {
+      representation.setAttribute('frameRate', format.fps?.toString() as string);
+    }
+
     set.appendChild(representation);
 
     await this.#generateSegmentInformation(document, representation, format, url_transformer(url)?.toString(), actions);
   }
 
-  static async #generateRepresentationAudio(document: XMLDocument, set: Element, format: Format, url_transformer: URLTransformer, cpn?: string, player?: Player, actions?: Actions) {
-    const codecs = getStringBetweenStrings(format.mime_type, 'codecs="', '"');
-
+  static async #generateRepresentationAudio(document: XMLDocument, set: Element, format: Format, url_transformer: URLTransformer, hoisted: string[], cpn?: string, player?: Player, actions?: Actions) {
     const url = new URL(format.decipher(player));
     url.searchParams.set('cpn', cpn || '');
 
@@ -436,21 +647,101 @@ class FormatUtils {
 
     const representation = this.#el(document, 'Representation', {
       id,
-      codecs,
-      bandwidth: format.bitrate?.toString(),
-      audioSamplingRate: format.audio_sample_rate?.toString()
-    }, [
-      this.#el(document, 'AudioChannelConfiguration', {
-        schemeIdUri: 'urn:mpeg:dash:23003:3:audio_channel_configuration:2011',
-        value: format.audio_channels?.toString() || '2'
-      })
-    ]);
+      bandwidth: format.bitrate?.toString()
+    });
+
+    if (!hoisted.includes('codecs')) {
+      const codecs = getStringBetweenStrings(format.mime_type, 'codecs="', '"');
+      representation.setAttribute('codecs', codecs as string);
+    }
+
+    if (!hoisted.includes('audioSamplingRate')) {
+      representation.setAttribute('audioSamplingRate', format.audio_sample_rate?.toString() as string);
+    }
+
+    if (!hoisted.includes('AudioChannelConfiguration')) {
+      representation.appendChild(
+        this.#el(document, 'AudioChannelConfiguration', {
+          schemeIdUri: 'urn:mpeg:dash:23003:3:audio_channel_configuration:2011',
+          value: format.audio_channels?.toString() || '2'
+        })
+      );
+    }
 
     set.appendChild(representation);
 
     await this.#generateSegmentInformation(document, representation, format, url_transformer(url)?.toString(), actions);
   }
 
+  static async #generateRepresentationImage(document: XMLDocument, set: Element, storyboard: {
+    template_url: string;
+    thumbnail_width: number;
+    thumbnail_height: number;
+    thumbnail_count: number;
+    interval: number;
+    columns: number;
+    rows: number;
+    storyboard_count: number;
+  }, duration: number, url_transformer: URLTransformer, actions: Actions) {
+    const url = storyboard.template_url;
+
+    const response_promises: Promise<Response>[] = [];
+
+    // Set a limit so we don't take forever for long videos
+    const requestLimit = storyboard.storyboard_count > 10 ? 10 : storyboard.storyboard_count;
+    for (let i = 0; i < requestLimit; i++) {
+      const response_promise = actions.session.http.fetch_function(new URL(url.replace('$M', i.toString())), {
+        method: 'HEAD',
+        headers: Constants.STREAM_HEADERS
+      });
+
+      response_promises.push(response_promise);
+    }
+
+    // Run the requests in parallel to avoid causing too much delay
+    const responses = await Promise.all(response_promises);
+
+    const content_lengths = [];
+
+    for (const response of responses) {
+      content_lengths.push(parseInt(response.headers.get('Content-Length') || '0', 10));
+
+      const content_type = response.headers.get('Content-Type');
+
+      // Sometimes youtube returns webp instead of jpg despite the file extension being jpg
+      // So we need to update the mime type to reflect the actual mime type of the response
+
+      if (content_type && content_type.length > 0) {
+        if (set.getAttribute('mimeType') !== content_type) {
+          set.setAttribute('mimeType', content_type);
+        }
+      }
+    }
+
+    // This is a rough estimate, so it probably won't reflect that actual peak bitrate
+    // Hopefully it's close enough, because figuring out the actual peak bitrate would require downloading and analysing all storyboard tiles
+    const bandwidth = Math.ceil((Math.max(...content_lengths) / (storyboard.rows * storyboard.columns)) * 8);
+
+    const representation = this.#el(document, 'Representation', {
+      id: `thumbnails_${storyboard.thumbnail_width}x${storyboard.thumbnail_height}`,
+      bandwidth: bandwidth.toString(),
+      width: (storyboard.thumbnail_width * storyboard.columns).toString(),
+      height: (storyboard.thumbnail_height * storyboard.rows).toString()
+    }, [
+      this.#el(document, 'EssentialProperty', {
+        schemeIdUri: 'http://dashif.org/thumbnail_tile',
+        value: `${storyboard.columns}x${storyboard.rows}`
+      }),
+      this.#el(document, 'SegmentTemplate', {
+        media: url_transformer(new URL(url.replace('$M', '$Number$'))).toString(),
+        duration: (duration / storyboard.storyboard_count).toString(),
+        startNumber: '0'
+      })
+    ]);
+
+    set.appendChild(representation);
+  }
+
   static async #generateSegmentInformation(document: XMLDocument, representation: Element, format: Format, url: string, actions?: Actions) {
     if (format.is_type_otf) {
       if (!actions) {

test/main.test.ts

@@ -1,5 +1,5 @@
 import { createWriteStream, existsSync } from 'node:fs';
-import { Innertube, IBrowseResponse, Utils, YT, YTMusic, YTNodes } from '../bundle/node.cjs';
+import { Innertube, Utils, YT, YTMusic, YTNodes } from '../bundle/node.cjs';
 
 describe('YouTube.js Tests', () => {
   let innertube: Innertube; 
@@ -19,6 +19,30 @@ describe('YouTube.js Tests', () => {
       expect(info.basic_info.id).toBe('bUHZ2k9DYHY');
     });
 
+    describe('Innertube#getBasicInfo', () => {
+      test('Format#language multiple audio tracks', async () => {
+        const info = await innertube.getBasicInfo('Kn56bMZ9OE8')
+        expect(info.streaming_data).toBeDefined()
+
+        const default_track_format = info.streaming_data?.adaptive_formats.find(format => format.audio_track?.audio_is_default)
+        expect(default_track_format).toBeDefined()
+        expect(default_track_format?.language).toBe('en')
+
+        // check that the language is properly propagated to the non-dash formats
+        expect(info.streaming_data?.formats[0].language).toBe('en')
+      })
+
+      test('Format#language single audio track with captions', async () => {
+        const info = await innertube.getBasicInfo('gisdyTBMNyQ')
+        expect(info.streaming_data).toBeDefined()
+
+        const audio_format = info.streaming_data?.adaptive_formats.find(format => format.has_audio)
+        expect(audio_format).toBeDefined()
+        expect(audio_format?.language).toBe('en')
+        expect(info.streaming_data?.formats[0].language).toBe('en')
+      })
+    })
+
     test('Innertube#search', async () => {
       const search = await innertube.search('Anton Petrov');
       expect(search.page).toBeDefined();
@@ -321,7 +345,7 @@ describe('YouTube.js Tests', () => {
     });
 
     test('Innertube#music.getAlbum', async () => {
-      const album = await innertube.music.getAlbum('MPREb_aWzgoemOnfa');
+      const album = await innertube.music.getAlbum('MPREb_YpQ7SWMPLvu');
       expect(album).toBeDefined();
       expect(album.header).toBeDefined();
       expect(album.sections).toBeDefined();