react-native-track-player/lib/src/interfaces/Progress.d.ts

A fully fledged audio module created for music apps

export interface Progress {
    /**
     * The playback position of the current track in seconds.
     * See https://rntp.dev/docs/api/functions/player#getposition
     **/
    position: number;
    /** The duration of the current track in seconds.
     * See https://rntp.dev/docs/api/functions/player#getduration
     **/
    duration: number;
    /**
     * The buffered position of the current track in seconds.
     **/
    buffered: number;
}