chore(main): release 5.5.0 (#441)

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

CHANGELOG.md

@@ -1,5 +1,86 @@
 # Changelog
 
+## [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)
+
+
+### Features
+
+* **VideoDetails:** Add is_post_live_dvr property ([#411](https://github.com/LuanRT/YouTube.js/issues/411)) ([a11e596](https://github.com/LuanRT/YouTube.js/commit/a11e5962c6eb73b14623a9de1e6c8c2534146b1e))
+* **ytmusic:** Add support for YouTube Music mood filters ([#404](https://github.com/LuanRT/YouTube.js/issues/404)) ([77b39c7](https://github.com/LuanRT/YouTube.js/commit/77b39c79ee0768eb203b7d47ea81286d470c21f2))
+
+
+### Bug Fixes
+
+* **OAuth:** client identity matching ([#421](https://github.com/LuanRT/YouTube.js/issues/421)) ([07c1b3e](https://github.com/LuanRT/YouTube.js/commit/07c1b3e0e57cb1fa42e4772775bfd1437bbc731f))
+* **PlayerEndpoint:** Use different player params ([#419](https://github.com/LuanRT/YouTube.js/issues/419)) ([519be72](https://github.com/LuanRT/YouTube.js/commit/519be72445b7ff392b396e16bcb1dc05c7df8976))
+* **Playlist:** Add thumbnail_renderer on Playlist when response includes it ([#424](https://github.com/LuanRT/YouTube.js/issues/424)) ([4f9427d](https://github.com/LuanRT/YouTube.js/commit/4f9427d752e89faec8dd1c4fd7a9607dca998c7a))
+* **VideoInfo.ts:** reimplement `get music_tracks` ([#409](https://github.com/LuanRT/YouTube.js/issues/409)) ([e434bb2](https://github.com/LuanRT/YouTube.js/commit/e434bb2632fe2b20aab6f1e707a93ca76f9d5c91))
+
+
+### Performance Improvements
+
+* **Search:** Speed up results parsing ([#408](https://github.com/LuanRT/YouTube.js/issues/408)) ([1e07a18](https://github.com/LuanRT/YouTube.js/commit/1e07a184ffaff508ad5ba869cb5e7dc9f095f744))
+* **toDash:** Speed up format filtering ([#405](https://github.com/LuanRT/YouTube.js/issues/405)) ([5de7b24](https://github.com/LuanRT/YouTube.js/commit/5de7b24dc55fca3eb8fccc6fa30d3c2cd60b8184))
+
+## [5.1.0](https://github.com/LuanRT/YouTube.js/compare/v5.0.4...v5.1.0) (2023-05-14)
+
+
+### Features
+
+* **ReelItem:** Add accessibility label ([#401](https://github.com/LuanRT/YouTube.js/issues/401)) ([046103a](https://github.com/LuanRT/YouTube.js/commit/046103a4d8af09fafefab6e9f971184eeca75c2e))
+* **toDash:** Add audio track labels to the manifest when available ([#402](https://github.com/LuanRT/YouTube.js/issues/402)) ([84b4f1e](https://github.com/LuanRT/YouTube.js/commit/84b4f1efd111321e4f3e5a87844790c4ec9b0b52))
+
 ## [5.0.4](https://github.com/LuanRT/YouTube.js/compare/v5.0.3...v5.0.4) (2023-05-10)
 
 

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": "5.0.4",
+  "version": "5.5.0",
   "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/OAuth.ts

@@ -96,7 +96,7 @@ export default class OAuth {
       client_id: this.#identity.client_id,
       scope: Constants.OAUTH.SCOPE,
       device_id: Platform.shim.uuidv4(),
-      model_name: Constants.OAUTH.MODEL_NAME
+      device_model: Constants.OAUTH.MODEL_NAME
     };
 
     const response = await this.#session.http.fetch_function(new URL('/o/oauth2/device/code', Constants.URLS.YT_BASE), {

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: '8AEB'
+      // Workaround streaming URLs returning 403 or getting throttled when using Android based clients.
+      params: is_android ? '2AMBCgIQBg' : opts.params
     }
   };
 }

src/parser/classes/CarouselLockup.ts

@@ -0,0 +1,17 @@
+import { type ObservedArray, YTNode } from '../helpers.js';
+import InfoRow from './InfoRow.js';
+import Parser, { type RawNode } from '../index.js';
+import CompactVideo from './CompactVideo.js';
+
+export default class CarouselLockup extends YTNode {
+  static type = 'CarouselLockup';
+
+  info_rows: ObservedArray<InfoRow>;
+  video_lockup?: CompactVideo | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.info_rows = Parser.parseArray(data.infoRows, InfoRow);
+    this.video_lockup = Parser.parseItem(data.videoLockup, CompactVideo);
+  }
+}

src/parser/classes/EngagementPanelSectionList.ts

@@ -0,0 +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';
+
+  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;
+    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

@@ -0,0 +1,22 @@
+import { YTNode } from '../helpers.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?: string;
+
+  constructor(data: RawNode) {
+    super();
+    this.show_more_text = new Text(data.showMoreText);
+    this.show_less_text = new Text(data.showLessText);
+
+    if (Reflect.has(data, 'attributedDescriptionBodyText')) {
+      this.attributed_description_body_text = data.attributedDescriptionBodyText?.content;
+    }
+  }
+}

src/parser/classes/Factoid.ts

@@ -0,0 +1,18 @@
+import { YTNode } from '../helpers.js';
+import { type RawNode } from '../index.js';
+import { Text } from '../misc.js';
+
+export default class Factoid extends YTNode {
+  static type = 'Factoid';
+
+  label: Text;
+  value: Text;
+  accessibility_text: String;
+
+  constructor(data: RawNode) {
+    super();
+    this.label = new Text(data.label);
+    this.value = new Text(data.value);
+    this.accessibility_text = data.accessibilityText;
+  }
+}

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/InfoRow.ts

@@ -0,0 +1,29 @@
+import { YTNode } from '../helpers.js';
+import { Text } from '../misc.js';
+import type { RawNode } from '../index.js';
+
+export default class InfoRow extends YTNode {
+  static type = 'InfoRow';
+
+  title: Text;
+  default_metadata?: Text;
+  expanded_metadata?: Text;
+  info_row_expand_status_key?: String;
+
+  constructor(data: RawNode) {
+    super();
+    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/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/Playlist.ts

@@ -1,6 +1,8 @@
 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';
 import Thumbnail from './misc/Thumbnail.js';
@@ -12,6 +14,7 @@ export default class Playlist extends YTNode {
   title: Text;
   author: Text | Author;
   thumbnails: Thumbnail[];
+  thumbnail_renderer?: PlaylistVideoThumbnail | PlaylistCustomThumbnail;
   video_count: Text;
   video_count_short: Text;
   first_videos: ObservedArray<YTNode>;
@@ -41,6 +44,10 @@ export default class Playlist extends YTNode {
     this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
     this.thumbnail_overlays = Parser.parseArray(data.thumbnailOverlays);
 
+    if (Reflect.has(data, 'thumbnailRenderer')) {
+      this.thumbnail_renderer = Parser.parseItem(data.thumbnailRenderer, [ PlaylistVideoThumbnail, PlaylistCustomThumbnail ]) || undefined;
+    }
+
     if (Reflect.has(data, 'viewPlaylistText')) {
       this.view_playlist = new Text(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/ReelItem.ts

@@ -12,6 +12,7 @@ export default class ReelItem extends YTNode {
   thumbnails: Thumbnail[];
   views: Text;
   endpoint: NavigationEndpoint;
+  accessibility_label?: string;
 
   constructor(data: RawNode) {
     super();
@@ -20,5 +21,6 @@ export default class ReelItem extends YTNode {
     this.thumbnails = Thumbnail.fromResponse(data.thumbnail);
     this.views = new Text(data.viewCountText);
     this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
+    this.accessibility_label = data.accessibility.accessibilityData.label;
   }
 }

src/parser/classes/StructuredDescriptionContent.ts

@@ -0,0 +1,18 @@
+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 | VideoDescriptionInfocardsSection | HorizontalCardList>;
+
+  constructor(data: RawNode) {
+    super();
+    this.items = Parser.parseArray(data.items, [ VideoDescriptionHeader, ExpandableVideoDescriptionBody, VideoDescriptionMusicSection, VideoDescriptionInfocardsSection, HorizontalCardList ]);
+  }
+}

src/parser/classes/VideoDescriptionHeader.ts

@@ -0,0 +1,28 @@
+import { YTNode, type ObservedArray } from '../helpers.js';
+import Parser, { type RawNode } from '../index.js';
+import { Text, Thumbnail } from '../misc.js';
+import Factoid from './Factoid.js';
+import NavigationEndpoint from './NavigationEndpoint.js';
+
+export default class VideoDescriptionHeader extends YTNode {
+  static type = 'VideoDescriptionHeader';
+
+  channel: Text;
+  channel_navigation_endpoint?: NavigationEndpoint;
+  channel_thumbnail: Thumbnail[];
+  factoids: ObservedArray<Factoid>;
+  publish_date: Text;
+  title: Text;
+  views: Text;
+
+  constructor(data: RawNode) {
+    super();
+    this.title = new Text(data.title);
+    this.channel = new Text(data.channel);
+    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

@@ -0,0 +1,17 @@
+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);
+    this.section_title = new Text(data.sectionTitle);
+  }
+}

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/classes/misc/VideoDetails.ts

@@ -18,6 +18,7 @@ export default class VideoDetails {
   is_live_content: boolean;
   is_upcoming: boolean;
   is_crawlable: boolean;
+  is_post_live_dvr: boolean;
 
   constructor(data: RawNode) {
     this.id = data.videoId;
@@ -35,6 +36,7 @@ export default class VideoDetails {
     this.is_live = !!data.isLive;
     this.is_live_content = !!data.isLiveContent;
     this.is_upcoming = !!data.isUpcoming;
+    this.is_post_live_dvr = !!data.isPostLiveDvr;
     this.is_crawlable = !!data.isCrawlable;
   }
 }

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

@@ -30,6 +30,7 @@ export { default as Card } from './classes/Card.js';
 export { default as CardCollection } from './classes/CardCollection.js';
 export { default as CarouselHeader } from './classes/CarouselHeader.js';
 export { default as CarouselItem } from './classes/CarouselItem.js';
+export { default as CarouselLockup } from './classes/CarouselLockup.js';
 export { default as Channel } from './classes/Channel.js';
 export { default as ChannelAboutFullMetadata } from './classes/ChannelAboutFullMetadata.js';
 export { default as ChannelAgeGate } from './classes/ChannelAgeGate.js';
@@ -57,6 +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';
@@ -88,9 +90,13 @@ export { default as Endscreen } from './classes/Endscreen.js';
 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';
 export { default as ExpandedShelfContents } from './classes/ExpandedShelfContents.js';
+export { default as Factoid } from './classes/Factoid.js';
 export { default as FeedFilterChipBar } from './classes/FeedFilterChipBar.js';
 export { default as FeedTabbedHeader } from './classes/FeedTabbedHeader.js';
 export { default as GameCard } from './classes/GameCard.js';
@@ -110,6 +116,7 @@ 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';
@@ -121,6 +128,7 @@ export { default as HorizontalMovieList } from './classes/HorizontalMovieList.js
 export { default as IconLink } from './classes/IconLink.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';
 export { default as InteractiveTabbedHeader } from './classes/InteractiveTabbedHeader.js';
 export { default as ItemSection } from './classes/ItemSection.js';
 export { default as ItemSectionHeader } from './classes/ItemSectionHeader.js';
@@ -172,6 +180,8 @@ 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';
@@ -259,6 +269,7 @@ 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';
@@ -299,6 +310,7 @@ export { default as SingleHeroImage } from './classes/SingleHeroImage.js';
 export { default as SlimOwner } from './classes/SlimOwner.js';
 export { default as SlimVideoMetadata } from './classes/SlimVideoMetadata.js';
 export { default as SortFilterSubMenu } from './classes/SortFilterSubMenu.js';
+export { default as StructuredDescriptionContent } from './classes/StructuredDescriptionContent.js';
 export { default as SubFeedOption } from './classes/SubFeedOption.js';
 export { default as SubFeedSelector } from './classes/SubFeedSelector.js';
 export { default as SubscribeButton } from './classes/SubscribeButton.js';
@@ -335,6 +347,9 @@ export { default as VerticalList } from './classes/VerticalList.js';
 export { default as VerticalWatchCardList } from './classes/VerticalWatchCardList.js';
 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';
 export { default as VideoPrimaryInfo } from './classes/VideoPrimaryInfo.js';

src/parser/parser.ts

@@ -264,6 +264,13 @@ export default class Parser {
       parsed_data.cards = cards;
     }
 
+    const engagement_panels = data.engagementPanels?.map((e) => {
+      const item = this.parseItem(e, YTNodes.EngagementPanelSectionList) as YTNodes.EngagementPanelSectionList;
+      return item;
+    });
+    if (engagement_panels) {
+      parsed_data.engagement_panels = engagement_panels;
+    }
     this.#createMemo();
     const items = this.parse(data.items);
     if (items) {
@@ -406,6 +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)
@@ -502,14 +511,15 @@ export default class Parser {
     'BrandVideoShelf',
     'BrandVideoSingleton',
     'StatementBanner',
-    'GuideSigninPromo'
+    'GuideSigninPromo',
+    'AdsEngagementPanelContent'
   ]);
 
   static shouldIgnore(classname: string) {
     return this.ignore_list.has(classname);
   }
 
-  static #rt_nodes = new Map<string, YTNodeConstructor>(Array.from(Object.entries(YTNodes)));
+  static #rt_nodes = new Map<string, YTNodeConstructor>(Object.entries(YTNodes));
   static #dynamic_nodes = new Map<string, YTNodeConstructor>();
 
   static getParserByName(classname: string) {
@@ -566,6 +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';
 
@@ -739,4 +762,4 @@ export class LiveChatContinuation extends YTNode {
 
     this.viewer_name = data.viewerName;
   }
-}
+}

src/parser/types/ParsedResponse.ts

@@ -17,7 +17,7 @@ import type VideoDetails from '../classes/misc/VideoDetails.js';
 import type Alert from '../classes/Alert.js';
 import type NavigationEndpoint from '../classes/NavigationEndpoint.js';
 import type PlayerAnnotationsExpanded from '../classes/PlayerAnnotationsExpanded.js';
-
+import type EngagementPanelSectionList from '../classes/EngagementPanelSectionList.js';
 export interface IParsedResponse {
   actions?: SuperParsedResult<YTNode>;
   actions_memo?: Memo;
@@ -73,6 +73,7 @@ export interface IParsedResponse {
   storyboards?: PlayerStoryboardSpec | PlayerLiveStoryboardSpec;
   endscreen?: Endscreen;
   cards?: CardCollection;
+  engagement_panels?: EngagementPanelSectionList[];
   items?: SuperParsedResult<YTNode>;
 }
 
@@ -111,6 +112,7 @@ export interface INextResponse {
   on_response_received_endpoints?: ObservedArray<ReloadContinuationItemsCommand | AppendContinuationItemsAction>;
   on_response_received_endpoints_memo?: Memo;
   player_overlays?: SuperParsedResult<YTNode>;
+  engagement_panels?: EngagementPanelSectionList[];
 }
 
 export interface IBrowseResponse {
@@ -163,4 +165,4 @@ export interface IUpdatedMetadataResponse {
 export interface IGuideResponse {
   items: SuperParsedResult<YTNode>;
   items_memo: Memo;
-}
+}

src/parser/types/RawResponse.ts

@@ -53,4 +53,5 @@ export interface IRawResponse {
   cards?: RawNode;
   items?: RawNode[];
   frameworkUpdates?: any;
-}
+  engagementPanels: RawNode[];
+}

src/parser/youtube/Channel.ts

@@ -163,6 +163,16 @@ 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 +227,14 @@ 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

@@ -30,7 +30,7 @@ class Search extends Feed<ISearchResponse> {
     if (!contents)
       throw new InnertubeError('No contents found in search response');
 
-    this.results = contents.filterType(ItemSection).find((section) => section.contents && section.contents.length > 0)?.contents;
+    this.results = contents.find((content) => content.is(ItemSection) && content.contents && content.contents.length > 0)?.as(ItemSection).contents;
 
     this.refinements = this.page.refinements || [];
     this.estimated_results = this.page.estimated_results;

src/parser/youtube/VideoInfo.ts

@@ -33,6 +33,8 @@ import type { ObservedArray, YTNode } from '../helpers.js';
 
 import { InnertubeError } from '../../utils/Utils.js';
 import { MediaInfo } from '../../core/mixins/index.js';
+import StructuredDescriptionContent from '../classes/StructuredDescriptionContent.js';
+import { VideoDescriptionMusicSection } from '../nodes.js';
 
 class VideoInfo extends MediaInfo {
   #watch_next_continuation?: ContinuationItem;
@@ -97,6 +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;
@@ -336,41 +360,55 @@ class VideoInfo extends MediaInfo {
   /**
    * Get songs used in the video.
    */
-  // TODO: this seems to be broken with the new UI, further investigation needed
   get music_tracks() {
-    /*
-        Const metadata = this.secondary_info?.metadata;
-        if (!metadata)
-            return [];
-        const songs = [];
-        let current_song: Record<string, Text[]> = {};
-        let is_music_section = false;
-        for (let i = 0; i < metadata.rows.length; i++) {
-            const row = metadata.rows[i];
-            if (row.is(MetadataRowHeader)) {
-                if (row.content?.toString().toLowerCase().startsWith('music')) {
-                    is_music_section = true;
-                    i++; // Skip the learn more link
-                }
-                continue;
-            }
-            if (!is_music_section)
-                continue;
-            if (row.is(MetadataRow))
-                current_song[row.title?.toString().toLowerCase().replace(/ /g, '_')] = row.contents;
-            // TODO: this makes no sense, we continue above when
-            if (row.has_divider_line) {
-                songs.push(current_song);
-                current_song = {};
-            }
+    // @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?.filterType(VideoDescriptionMusicSection);
+      if (music_section !== undefined && music_section.length > 0) {
+        return music_section[0].carousel_lockups?.map((lookup) => {
+          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 (is_music_section)
-            songs.push(current_song);
-        return songs;
-        */
+          // If the song isn't in the video_lockup, it should be in the info_rows
+          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.default_metadata?.toString() || info_row.expanded_metadata?.toString();
+                if (videoId === undefined) {
+                  const endpoint = info_row.default_metadata?.endpoint || info_row.expanded_metadata?.endpoint;
+                  videoId = endpoint?.payload?.videoId;
+                }
+              } else {
+                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.default_metadata?.toString() || info_row.expanded_metadata?.toString();
+                if (channelId === undefined) {
+                  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.default_metadata?.toString() || info_row.expanded_metadata?.toString();
+              }
+            }
+          }
+          return { song, artist, album, license, videoId, channelId };
+        });
+      }
+    }
     return [];
   }
 }
 
-export default VideoInfo;
+export default VideoInfo;

src/parser/ytmusic/HomeFeed.ts

@@ -9,6 +9,8 @@ import type { ApiResponse } from '../../core/Actions.js';
 import type { ObservedArray } from '../helpers.js';
 import type { IBrowseResponse } from '../types/ParsedResponse.js';
 import { InnertubeError } from '../../utils/Utils.js';
+import ChipCloud from '../classes/ChipCloud.js';
+import ChipCloudChip from '../classes/ChipCloudChip.js';
 
 class HomeFeed {
   #page: IBrowseResponse;
@@ -16,6 +18,7 @@ class HomeFeed {
   #continuation?: string;
 
   sections?: ObservedArray<MusicCarouselShelf | MusicTastebuilderShelf>;
+  header?: ChipCloud;
 
   constructor(response: ApiResponse, actions: Actions) {
     this.#actions = actions;
@@ -36,6 +39,7 @@ class HomeFeed {
       return;
     }
 
+    this.header = tab.content?.as(SectionList).header?.as(ChipCloud);
     this.#continuation = tab.content?.as(SectionList).continuation;
     this.sections = tab.content?.as(SectionList).contents.as(MusicCarouselShelf, MusicTastebuilderShelf);
   }
@@ -55,6 +59,33 @@ class HomeFeed {
     return new HomeFeed(response, this.#actions);
   }
 
+  async applyFilter(target_filter: string | ChipCloudChip): Promise<HomeFeed> {
+    let cloud_chip: ChipCloudChip | undefined;
+
+    if (typeof target_filter === 'string') {
+      cloud_chip = this.header?.chips?.as(ChipCloudChip).get({ text: target_filter });
+      if (!cloud_chip)
+        throw new InnertubeError('Could not find filter with given name.', { available_filters: this.filters });
+    } else if (target_filter?.is(ChipCloudChip)) {
+      cloud_chip = target_filter;
+    }
+
+    if (!cloud_chip)
+      throw new InnertubeError('Invalid filter', { available_filters: this.filters });
+
+    if (cloud_chip?.is_selected) return this;
+
+    if (!cloud_chip.endpoint)
+      throw new InnertubeError('Selected filter does not have an endpoint.');
+
+    const response = await cloud_chip.endpoint.call(this.#actions, { client: 'YTMUSIC' });
+    return new HomeFeed(response, this.#actions);
+  }
+
+  get filters(): string[] {
+    return this.header?.chips?.as(ChipCloudChip).map((chip) => chip.text) || [];
+  }
+
   get has_continuation(): boolean {
     return !!this.#continuation;
   }

src/utils/Constants.ts

@@ -29,13 +29,13 @@ export const OAUTH = Object.freeze({
   }),
   REGEX: Object.freeze({
     AUTH_SCRIPT: /<script id="base-js" src="(.*?)" nonce=".*?"><\/script>/,
-    CLIENT_IDENTITY: /.+?={};var .+?={clientId:"(?<client_id>.+?)",.+?:"(?<client_secret>.+?)"},/
+    CLIENT_IDENTITY: /var .+?={clientId:"(?<client_id>.+?)",.+?:"(?<client_secret>.+?)".+?}/
   })
 });
 export const CLIENTS = Object.freeze({
   WEB: {
     NAME: 'WEB',
-    VERSION: '2.20230104.01.00',
+    VERSION: '2.20230622.06.00',
     API_KEY: 'AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8',
     API_VERSION: 'v1',
     STATIC_VISITOR_ID: '6zpwvWUNAco'

src/utils/FormatUtils.ts

@@ -146,7 +146,7 @@ class FormatUtils {
             chunk_end += chunk_size;
 
             resolve();
-            return;
+
           } catch (e: any) {
             reject(e);
           }
@@ -249,22 +249,14 @@ class FormatUtils {
     if (!streaming_data)
       throw new InnertubeError('Streaming data not available');
 
-    let filtered_streaming_data;
+    let adaptive_formats;
 
     if (format_filter) {
-      filtered_streaming_data = {
-        formats: streaming_data.formats.filter((fmt: Format) => !(format_filter(fmt))),
-        adaptive_formats: streaming_data.adaptive_formats.filter((fmt: Format) => !(format_filter(fmt))),
-        expires: streaming_data.expires,
-        dash_manifest_url: streaming_data.dash_manifest_url,
-        hls_manifest_url: streaming_data.hls_manifest_url
-      };
+      adaptive_formats = streaming_data.adaptive_formats.filter((fmt: Format) => !(format_filter(fmt)));
     } else {
-      filtered_streaming_data = streaming_data;
+      adaptive_formats = streaming_data.adaptive_formats;
     }
 
-    const { adaptive_formats } = filtered_streaming_data;
-
     if (!adaptive_formats.length)
       throw new InnertubeError('No adaptive formats found');
 
@@ -363,7 +355,12 @@ class FormatUtils {
             this.#el(document, 'Role', {
               schemeIdUri: 'urn:mpeg:dash:role:2011',
               value: role
-            })
+            }),
+            this.#el(document, 'Label', {
+              id: set_id.toString()
+            }, [
+              document.createTextNode(first_format.audio_track?.display_name as string)
+            ])
           );
 
           const set = this.#el(document, 'AdaptationSet', {
@@ -371,13 +368,22 @@ class FormatUtils {
             mimeType: mime_types[i].split(';')[0],
             startWithSAP: '1',
             subsegmentAlignment: 'true',
-            lang: first_format.language as string
+            lang: first_format.language as string,
+            // Non-standard attribute used by shaka instead of the standard Label element
+            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 {
@@ -388,43 +394,179 @@ 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);
           }
         }
       }
     }
   }
 
-  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 || '');
 
@@ -437,15 +579,26 @@ 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);
 

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();
@@ -296,6 +320,13 @@ describe('YouTube.js Tests', () => {
         expect(incremental_continuation.sections).toBeDefined();
         expect(incremental_continuation.sections?.length).toBeGreaterThan(0);
       });
+      
+      test('HomeFeed#applyFilter', async () => {
+        home = await home.applyFilter(home.filters[1]);
+        expect(home).toBeDefined();
+        expect(home.sections).toBeDefined();
+        expect(home.sections?.length).toBeGreaterThan(0);
+      });
     });
 
     test('Innertube#music.getExplore', async () => {
@@ -314,7 +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();