import { BasicParser } from '../common/BasicParser'; import { Atom } from './Atom'; export declare class MP4Parser extends BasicParser { private static read_BE_Integer; private audioLengthInBytes; private tracks; parse(): Promise; handleAtom(atom: Atom, remaining: number): Promise; private getTrackDescription; private calculateBitRate; private addTag; private addWarning; /** * Parse data of Meta-item-list-atom (item of 'ilst' atom) * @param metaAtom * Ref: https://developer.apple.com/library/content/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW8 */ private parseMetadataItemData; private parseValueAtom; private atomParsers; /** * @param sampleDescription * Ref: https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html#//apple_ref/doc/uid/TP40000939-CH205-128916 */ private parseSoundSampleDescription; private parseChapterTrack; private findSampleOffset; private getChunkDuration; private getSamplesPerChunk; }