import type { EncoderChannelMap, HdmiEncoderConfig } from "./config.js";
import type { Express } from "express";
/**
 * Returns the current encoder configuration. Safe to call before initialize() — returns the
 * disabled default in that case.
 */
export declare function getEncoderConfig(): HdmiEncoderConfig;
/**
 * Returns the merged assignment map (persistent + runtime). Used by the playlist endpoint and
 * any other consumer that needs a snapshot of all current assignments.
 */
export declare function getEncoderChannels(): EncoderChannelMap;
/**
 * Initializes the HDMI encoder module. Loads configuration files, sets up browser state, and logs
 * audio device information. Safe to call multiple times — only runs once. Does nothing if
 * encoders.json is absent or disabled.
 */
export declare function initializeEncoderModule(): Promise<void>;
/**
 * Reloads the encoder module from disk. Called when the user saves new settings via the WebUI.
 * Resets the initialization flag so initializeEncoderModule() runs a fresh load.
 */
export declare function reloadEncoderModule(): Promise<void>;
/**
 * Sets up all HDMI encoder routes on the Express application and kicks off initialization.
 * This is the single function that src/routes/index.ts calls (one line, before setupHLSRoutes).
 *
 * Routes registered:
 *   GET  /hls/:name/stream.m3u8   (intercepts assigned channels; passes others to core handler)
 *   GET  /mpegts/:name            (intercepts assigned channels; passes others to core handler)
 *   GET  /encoder-playlist        (standalone M3U8 listing only encoder-assigned channels)
 *   GET  /encoder/status          (JSON status of all encoder instances)
 *   GET  /encoder-ui              (WebUI control panel — assign channels, tune, release)
 *   POST /encoder/:index/tune     (assign channel + navigate Chrome)
 *   POST /encoder/:index/release  (unassign all channels + navigate to blank)
 *
 * @param app - The Express application instance.
 */
export declare function setupEncoderModule(app: Express): void;