@tianfeng98/hls.js/src/types/fragment-tracker.ts

HLS.js is a JavaScript library that supports playing MPEG-TS and HEVC encoded HLS streams in browsers with support for MSE.

import type { Fragment } from '../loader/fragment';
import type { SourceBufferName } from './buffer';
import type { FragLoadedData } from './events';

export interface FragmentEntity {
  body: Fragment;
  // appendedPTS is the latest buffered presentation time within the fragment's time range.
  // It is used to determine: which fragment is appended at any given position, and hls.currentLevel.
  appendedPTS: number | null;
  loaded: FragLoadedData | null;
  buffered: boolean;
  range: { [key in SourceBufferName]: FragmentBufferedRange };
}

export interface FragmentTimeRange {
  startPTS: number;
  endPTS: number;
}

export interface FragmentBufferedRange {
  time: Array<FragmentTimeRange>;
  partial: boolean;
}