@omnimedia/omnitool/x/timeline/parts/resource-pool.js

open source video processing tools

import { GMap } from "@e280/stz";
import { Media } from "./media.js";
export class ResourcePool {
    #map = new GMap;
    /** store a media file (avoids duplicates via hash) */
    async store(datafile) {
        const media = await Media.analyze(datafile);
        const { hash } = media.datafile.checksum;
        const { filename, url, blob } = media.datafile;
        if (this.#map.has(hash)) {
            const alreadyExists = this.#map.require(hash);
            alreadyExists.filename = filename;
        }
        else
            this.#map.set(hash, { kind: "media", filename, url, blob, duration: media.duration });
        return media;
    }
    require(hash) {
        return this.#map.require(hash);
    }
}
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