/**
 * Generic streaming infrastructure routes.
 *
 * Extracted from retake-routes.ts so any streaming destination (Retake.tv,
 * custom RTMP, etc.) can reuse the same pipeline: capture mode detection,
 * Xvfb management, browser capture, FFmpeg, frame routing, volume/mute.
 *
 * Platform-specific credential fetching lives in destination adapters
 * (e.g. retake-routes.ts exports `createRetakeDestination`).
 */
import type { IncomingMessage, ServerResponse } from "node:http";
import type { StreamConfig } from "../services/stream-manager";
import type { StreamRouteState } from "./stream-route-state";
import type { StreamingDestination } from "./streaming-types";
export type { StreamRouteState } from "./stream-route-state";
/**
 * A streaming destination provides RTMP credentials and optional lifecycle
 * hooks. Canonical definition lives in plugin-streaming-base; re-exported here
 * so existing consumers keep working.
 */
export type { OverlayLayoutData, StreamingDestination } from "./streaming-types";
/** Resolve the active streaming destination from the registry. */
export declare function getActiveDestination(state: StreamRouteState): StreamingDestination | undefined;
/**
 * Detect the best capture mode for the current environment.
 *
 * Priority:
 * 1. STREAM_MODE / RETAKE_STREAM_MODE env var (explicit override)
 * 2. Electron -> "pipe" (capturePage -> POST /api/stream/frame -> FFmpeg stdin)
 * 3. Linux with DISPLAY or Xvfb -> "x11grab" (Hyperscape approach)
 * 4. macOS -> "avfoundation" (native screen capture)
 * 5. Fallback -> "file" (Puppeteer CDP -> temp JPEG -> FFmpeg)
 */
/** @internal Exported for testing. */
export declare function detectCaptureMode(): StreamConfig["inputMode"];
/**
 * Try to start Xvfb on the specified display if not already running (Linux only).
 * Returns true if display is available, false otherwise.
 */
/** @internal Exported for testing. */
export declare function ensureXvfb(display: string, resolution: string): Promise<boolean>;
/** Returns `true` if handled, `false` to fall through. */
export declare function handleStreamRoute(req: IncomingMessage, res: ServerResponse, pathname: string, method: string, state: StreamRouteState): Promise<boolean>;
export declare function onAgentMessage(text: string, state: StreamRouteState): Promise<void>;
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