49 lines
2.1 KiB
TypeScript
49 lines
2.1 KiB
TypeScript
/// <reference types="node" />
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import { Readable } from 'stream';
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import * as strtok3 from 'strtok3/lib/core';
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import { IAudioMetadata, INativeTagDict, IOptions, IPicture, IPrivateOptions, IRandomReader, ITag } from './type';
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export { IFileInfo } from 'strtok3/lib/core';
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/**
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* Parse audio from Node Stream.Readable
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* @param stream - Stream to read the audio track from
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* @param options - Parsing options
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* @param fileInfo - File information object or MIME-type string
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* @returns Metadata
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*/
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export declare function parseStream(stream: Readable, fileInfo?: strtok3.IFileInfo | string, options?: IOptions): Promise<IAudioMetadata>;
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/**
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* Parse audio from Node Buffer
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* @param uint8Array - Uint8Array holding audio data
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* @param fileInfo - File information object or MIME-type string
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* @param options - Parsing options
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* @returns Metadata
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* Ref: https://github.com/Borewit/strtok3/blob/e6938c81ff685074d5eb3064a11c0b03ca934c1d/src/index.ts#L15
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*/
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export declare function parseBuffer(uint8Array: Uint8Array, fileInfo?: strtok3.IFileInfo | string, options?: IOptions): Promise<IAudioMetadata>;
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/**
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* Parse audio from ITokenizer source
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* @param tokenizer - Audio source implementing the tokenizer interface
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* @param options - Parsing options
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* @returns Metadata
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*/
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export declare function parseFromTokenizer(tokenizer: strtok3.ITokenizer, options?: IOptions): Promise<IAudioMetadata>;
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/**
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* Create a dictionary ordered by their tag id (key)
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* @param nativeTags list of tags
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* @returns tags indexed by id
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*/
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export declare function orderTags(nativeTags: ITag[]): INativeTagDict;
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/**
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* Convert rating to 1-5 star rating
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* @param rating: Normalized rating [0..1] (common.rating[n].rating)
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* @returns Number of stars: 1, 2, 3, 4 or 5 stars
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*/
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export declare function ratingToStars(rating: number): number;
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/**
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* Select most likely cover image.
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* @param pictures Usually metadata.common.picture
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* @return Cover image, if any, otherwise null
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*/
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export declare function selectCover(pictures?: IPicture[]): IPicture | null;
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export declare function scanAppendingHeaders(randomReader: IRandomReader, options?: IPrivateOptions): Promise<void>;
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