import type { EncoderChannelMap, HdmiEncoderConfig } from "./config.js";
import type { Express } from "express";
/**
 * Builds a minimal HLS master playlist that points a single stream at the hardware encoder's URL.
 * Channels DVR follows this to the encoder and does not request any further segments from PrismCast.
 *
 * The BANDWIDTH hint (8 Mbps) is approximate; the encoder's actual bitrate depends on hardware
 * configuration. It is used only as a hint and does not affect stream behaviour.
 *
 * @param encoderStreamUrl - The HTTP or RTSP stream URL provided by the hardware encoder.
 * @returns A complete HLS master playlist string.
 */
export declare function buildPassthroughM3U8(encoderStreamUrl: string): string;
/**
 * Generates a standalone M3U8 playlist listing only encoder-assigned channels. Each entry points
 * directly at the encoder's stream URL (bypassing PrismCast entirely for playback). This playlist
 * can be added to Channels DVR as an additional M3U source alongside the main PrismCast playlist.
 *
 * @param config      - The loaded encoder configuration.
 * @param assignments - The encoder channel assignment map.
 * @param baseUrl     - The base URL of the PrismCast server (for tvg-url, not used for streams).
 * @returns M3U8 content string.
 */
export declare function generateEncoderPlaylistContent(config: HdmiEncoderConfig, assignments: EncoderChannelMap, baseUrl: string): string;
/**
 * Registers the /encoder-playlist endpoint on the Express app. Returns a 404 if the encoder module
 * is not enabled or no channels are assigned.
 *
 * @param app         - The Express application.
 * @param getConfig   - Getter for the current encoder config (evaluated at request time).
 * @param getChannels - Getter for the current encoder channel assignments (evaluated at request time).
 */
export declare function setupEncoderPlaylistEndpoint(app: Express, getConfig: () => HdmiEncoderConfig, getChannels: () => EncoderChannelMap): void;