import type { SabrStreamState } from '../core/SabrStream.js';
import type { FetchFunction, SabrFormat } from './shared.js';
import type { EnabledTrackTypes } from '../utils/index.js';
import type { ClientInfo } from '../utils/Protos.js';
export interface SabrStreamConfig {
    /**
     * Custom fetch implementation to use for HTTP requests.
     * If not provided, the global `fetch` function will be used.
     */
    fetch?: FetchFunction;
    /**
     * The URL endpoint for server-side ABR streaming requests.
     * This is typically obtained from the initial player response.
     */
    serverAbrStreamingUrl?: string;
    /**
     * Base64-encoded Ustreamer configuration obtained from the player response.
     * Required for authorizing and configuring the streaming session.
     */
    videoPlaybackUstreamerConfig?: string;
    /**
     * Client information used to identify the requesting device/app.
     * Contains details like client name, version, and capabilities.
     */
    clientInfo?: ClientInfo;
    /**
     * Proof of Origin token for content protection verification.
     */
    poToken?: string;
    /**
     * Total duration of the media content in milliseconds.
     * If not provided, will be determined from format metadata.
     */
    durationMs?: number;
    /**
     * Array of available streaming formats obtained from the player response.
     */
    formats?: SabrFormat[];
}
export interface SabrPlaybackOptions {
    /**
     * Video format selection, can be a format ID number, a SabrFormat object,
     * or a function that selects a format from the available formats array.
     */
    videoFormat?: number | SabrFormat | ((formats: SabrFormat[]) => SabrFormat | undefined);
    /**
     * Audio format selection, can be a format ID number, a SabrFormat object,
     * or a function that selects a format from the available formats array.
     */
    audioFormat?: number | SabrFormat | ((formats: SabrFormat[]) => SabrFormat | undefined);
    /**
     * Preferred video quality (e.g., "1080p", "720p").
     */
    videoQuality?: string;
    /**
     * Preferred audio quality (e.g., "high", "medium").
     */
    audioQuality?: string;
    /**
     * Preferred video language code.
     */
    videoLanguage?: string;
    /**
     * Preferred audio language code.
     */
    audioLanguage?: string;
    /**
     * Whether to prefer WebM container format.
     */
    preferWebM?: boolean;
    /**
     * Whether to prefer MP4 container format.
     */
    preferMP4?: boolean;
    /**
     * Whether to prefer H.264 video codec.
     */
    preferH264?: boolean;
    /**
     * Whether to prefer Opus audio codec.
     */
    preferOpus?: boolean;
    /**
     * Maximum number of retry attempts when fetching segments.
     * Default is 10.
     */
    maxRetries?: number;
    /**
     * Duration in milliseconds after which a stall is detected if no progress is made.
     * Default is 30000 (30 seconds).
     */
    stallDetectionMs?: number;
    /**
     * Enabled track types for streaming (audio only, video only, or both).
     * @see EnabledTrackTypes
     */
    enabledTrackTypes?: EnabledTrackTypes;
    /**
     * Previously saved state to resume a download.
     */
    state?: SabrStreamState;
}