import { MediaPptxElement } from 'pptx-viewer-core';
/**
 * Source resolution for `media` (audio / video) elements (port of the vanilla
 * binding's `renderMediaElement` cascade): `mediaData` (data-URL embedded by
 * the load pipeline) first, then `mediaPath` looked up in the media URL map;
 * the poster / thumbnail resolves via the shared `getImageSrc`
 * (`posterFrameData` / `posterFramePath`).
 */
export interface MediaView {
    /** Playable source URL, when one could be resolved. */
    mediaSrc: string | undefined;
    /** Poster / thumbnail image URL, when one exists. */
    posterSrc: string | undefined;
}
/** Resolve the playable and poster sources for a media element. */
export declare function resolveMediaView(element: MediaPptxElement, mediaDataUrls: Map<string, string>): MediaView;
/**
 * Register a `playAcrossSlides` audio element with the shared persistent-audio
 * manager, using the same resolved source, loop, volume and trim start the
 * slide-local element would have used. PowerPoint keeps such background audio
 * playing when the show advances, but the slide-local `<audio>` dies with its
 * slide's DOM; the manager's hidden document-level element survives it.
 *
 * Returns true when the persistent element owns playback, in which case the
 * slide-local media node must stay silent or the track doubles. Idempotent per
 * element id (the manager no-ops a re-register), so re-entering the owning
 * slide does not restart the track.
 */
export declare function registerCrossSlideAudio(element: MediaPptxElement, src: string | undefined): boolean;
//# sourceMappingURL=media-view.d.ts.map