securityos/node_modules/music-metadata/lib/ogg/vorbis/Vorbis.d.ts

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2024-09-06 15:32:35 +00:00
/// <reference types="node" />
import { IGetToken } from 'strtok3/lib/core';
import { IPicture } from '../../type';
/**
* Interface to parsed result of METADATA_BLOCK_PICTURE
* Ref: https://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE
* Ref: https://xiph.org/flac/format.html#metadata_block_picture
*/
export interface IVorbisPicture extends IPicture {
type: string;
description: string;
width: number;
height: number;
colour_depth: number;
indexed_color: number;
}
/**
* Parse the METADATA_BLOCK_PICTURE
* Ref: https://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE
* Ref: https://xiph.org/flac/format.html#metadata_block_picture
* // ToDo: move to ID3 / APIC?
*/
export declare class VorbisPictureToken implements IGetToken<IVorbisPicture> {
len: any;
static fromBase64(base64str: string): IVorbisPicture;
static fromBuffer(buffer: Buffer): IVorbisPicture;
constructor(len: any);
get(buffer: Buffer, offset: number): IVorbisPicture;
}
/**
* Vorbis 1 decoding tokens
* Ref: https://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-620004.2.1
*/
/**
* Comment header interface
* Ref: https://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-620004.2.1
*/
export interface ICommonHeader {
/**
* Packet Type
*/
packetType: number;
/**
* Should be 'vorbis'
*/
vorbis: string;
}
/**
* Comment header decoder
* Ref: https://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-620004.2.1
*/
export declare const CommonHeader: IGetToken<ICommonHeader>;
/**
* Identification header interface
* Ref: https://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-630004.2.2
*/
export interface IFormatInfo {
version: number;
channelMode: number;
sampleRate: number;
bitrateMax: number;
bitrateNominal: number;
bitrateMin: number;
}
/**
* Identification header decoder
* Ref: https://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-630004.2.2
*/
export declare const IdentificationHeader: IGetToken<IFormatInfo>;