@np-dev/youtubei-js
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A wrapper around YouTube's private API. Supports YouTube, YouTube Music, YouTube Kids and YouTube Studio (WIP).
144 lines • 8.05 kB
JavaScript
var _MediaInfo_page, _MediaInfo_actions, _MediaInfo_cpn, _MediaInfo_playback_tracking;
import { __awaiter, __classPrivateFieldGet, __classPrivateFieldSet } from "tslib";
import * as Constants from '../../utils/Constants.js';
import * as FormatUtils from '../../utils/FormatUtils.js';
import { InnertubeError } from '../../utils/Utils.js';
import { Parser } from '../../parser/index.js';
import PlayerStoryboardSpec from '../../parser/classes/PlayerStoryboardSpec.js';
import { getStreamingInfo } from '../../utils/StreamingInfo.js';
import ContinuationItem from '../../parser/classes/ContinuationItem.js';
import TranscriptInfo from '../../parser/youtube/TranscriptInfo.js';
class MediaInfo {
constructor(data, actions, cpn) {
var _a, _b;
_MediaInfo_page.set(this, void 0);
_MediaInfo_actions.set(this, void 0);
_MediaInfo_cpn.set(this, void 0);
_MediaInfo_playback_tracking.set(this, void 0);
__classPrivateFieldSet(this, _MediaInfo_actions, actions, "f");
const info = Parser.parseResponse(data[0].data);
const next = ((_a = data === null || data === void 0 ? void 0 : data[1]) === null || _a === void 0 ? void 0 : _a.data) ? Parser.parseResponse(data[1].data) : undefined;
__classPrivateFieldSet(this, _MediaInfo_page, [info, next], "f");
__classPrivateFieldSet(this, _MediaInfo_cpn, cpn, "f");
if (((_b = info.playability_status) === null || _b === void 0 ? void 0 : _b.status) === 'ERROR')
throw new InnertubeError('This video is unavailable', info.playability_status);
this.streaming_data = info.streaming_data;
this.playability_status = info.playability_status;
this.player_config = info.player_config;
__classPrivateFieldSet(this, _MediaInfo_playback_tracking, info.playback_tracking, "f");
}
/**
* 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
*/
toDash(url_transformer, format_filter, options = { include_thumbnails: false }) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const player_response = __classPrivateFieldGet(this, _MediaInfo_page, "f")[0];
if (player_response.video_details && (player_response.video_details.is_live || player_response.video_details.is_post_live_dvr)) {
throw new InnertubeError('Generating DASH manifests for live and Post-Live-DVR videos is not supported. Please use the DASH and HLS manifests provided by YouTube in `streaming_data.dash_manifest_url` and `streaming_data.hls_manifest_url` instead.');
}
let storyboards;
if (options.include_thumbnails && ((_a = player_response.storyboards) === null || _a === void 0 ? void 0 : _a.is(PlayerStoryboardSpec))) {
storyboards = player_response.storyboards;
}
return FormatUtils.toDash(this.streaming_data, url_transformer, format_filter, __classPrivateFieldGet(this, _MediaInfo_cpn, "f"), __classPrivateFieldGet(this, _MediaInfo_actions, "f").session.player, __classPrivateFieldGet(this, _MediaInfo_actions, "f"), storyboards);
});
}
/**
* Get a cleaned up representation of the adaptive_formats
*/
getStreamingInfo(url_transformer, format_filter) {
var _a;
return getStreamingInfo(this.streaming_data, url_transformer, format_filter, this.cpn, __classPrivateFieldGet(this, _MediaInfo_actions, "f").session.player, __classPrivateFieldGet(this, _MediaInfo_actions, "f"), ((_a = __classPrivateFieldGet(this, _MediaInfo_page, "f")[0].storyboards) === null || _a === void 0 ? void 0 : _a.is(PlayerStoryboardSpec)) ? __classPrivateFieldGet(this, _MediaInfo_page, "f")[0].storyboards : undefined);
}
/**
* Selects the format that best matches the given options.
* @param options - Options
*/
chooseFormat(options) {
return FormatUtils.chooseFormat(options, this.streaming_data);
}
/**
* Downloads the video.
* @param options - Download options.
*/
download(options = {}) {
return __awaiter(this, void 0, void 0, function* () {
const player_response = __classPrivateFieldGet(this, _MediaInfo_page, "f")[0];
if (player_response.video_details && (player_response.video_details.is_live || player_response.video_details.is_post_live_dvr)) {
throw new InnertubeError('Downloading is not supported for live and Post-Live-DVR videos, as they are split up into 5 second segments that are individual files, which require using a tool such as ffmpeg to stitch them together, so they cannot be returned in a single stream.');
}
return FormatUtils.download(options, __classPrivateFieldGet(this, _MediaInfo_actions, "f"), this.playability_status, this.streaming_data, __classPrivateFieldGet(this, _MediaInfo_actions, "f").session.player, this.cpn);
});
}
/**
* Retrieves the video's transcript.
* @param video_id - The video id.
*/
getTranscript() {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const next_response = this.page[1];
if (!next_response)
throw new InnertubeError('Cannot get transcript from basic video info.');
if (!next_response.engagement_panels)
throw new InnertubeError('Engagement panels not found. Video likely has no transcript.');
const transcript_panel = next_response.engagement_panels.get({
panel_identifier: 'engagement-panel-searchable-transcript'
});
if (!transcript_panel)
throw new InnertubeError('Transcript panel not found. Video likely has no transcript.');
const transcript_continuation = (_a = transcript_panel.content) === null || _a === void 0 ? void 0 : _a.as(ContinuationItem);
if (!transcript_continuation)
throw new InnertubeError('Transcript continuation not found.');
const response = yield transcript_continuation.endpoint.call(this.actions);
return new TranscriptInfo(this.actions, response);
});
}
/**
* Adds video to the watch history.
*/
addToWatchHistory(client_name = Constants.CLIENTS.WEB.NAME, client_version = Constants.CLIENTS.WEB.VERSION, replacement = 'https://www.') {
return __awaiter(this, void 0, void 0, function* () {
if (!__classPrivateFieldGet(this, _MediaInfo_playback_tracking, "f"))
throw new InnertubeError('Playback tracking not available');
const url_params = {
cpn: __classPrivateFieldGet(this, _MediaInfo_cpn, "f"),
fmt: 251,
rtn: 0,
rt: 0
};
const url = __classPrivateFieldGet(this, _MediaInfo_playback_tracking, "f").videostats_playback_url.replace('https://s.', replacement);
const response = yield __classPrivateFieldGet(this, _MediaInfo_actions, "f").stats(url, {
client_name,
client_version
}, url_params);
return response;
});
}
/**
* Actions instance.
*/
get actions() {
return __classPrivateFieldGet(this, _MediaInfo_actions, "f");
}
/**
* Content Playback Nonce.
*/
get cpn() {
return __classPrivateFieldGet(this, _MediaInfo_cpn, "f");
}
/**
* Original parsed InnerTube response.
*/
get page() {
return __classPrivateFieldGet(this, _MediaInfo_page, "f");
}
}
_MediaInfo_page = new WeakMap(), _MediaInfo_actions = new WeakMap(), _MediaInfo_cpn = new WeakMap(), _MediaInfo_playback_tracking = new WeakMap();
export default MediaInfo;
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