@diffusionstudio/core-v4/dist/sources/audio/audio.d.ts

2D motion graphics and video rendering engine

import { Input } from 'mediabunny';
import { BaseSource, SourceOptions, SourceInitOptions } from '../source';
import { WebAudioDecoder } from '../../services/audio-decoder';
import { ClipType } from '../../clips';
import { Timestamp, Transcript } from '../../models';
import { AudioSlice, SamplerOptions, SilenceDetectionOptions } from './types';
import { Time } from '../../types';
export declare class AudioSource extends BaseSource {
    readonly type: ClipType;
    element: HTMLAudioElement | HTMLVideoElement;
    decoder: WebAudioDecoder;
    duration?: Timestamp;
    demuxer?: Promise<Input>;
    transcript?: Transcript;
    constructor(options: SourceOptions);
    init(options?: SourceInitOptions): Promise<void>;
    decode(numberOfChannels?: number, sampleRate?: number, cache?: boolean): Promise<AudioBuffer>;
    /**
     * Find silences in the audio clip. Results are cached.
     *
     * uses default sample rate of 3000
     * @param options - Silences options.
     * @returns An array of the silences (in ms) in the clip.
     */
    silences(options?: SilenceDetectionOptions): Promise<AudioSlice[]>;
    /**
     * Sampler that uses a window size to calculate the max value of the samples in the window.
     * @param options - Sampling options.
     * @returns An array of the max values of the samples in the window.
     */
    sample({ length, start, stop, }?: SamplerOptions): Promise<Float32Array>;
    samplesInRange(options: {
        startTime: Time;
        endTime: Time;
    }): AsyncGenerator<import('mediabunny').AudioSample, void, unknown>;
    getMetadata(): Promise<{
        sampleRate: number;
        numberOfChannels: number;
    } | null>;
}