@omnimedia/omnitool/x/timeline/renderers/parts/samplers/audio/sampler.js

open source video processing tools

import { itemsFrom } from "../../handy.js";
import { initStreams } from "./parts/init.js";
import { AudioSinkPool } from "./parts/sink.js";
import { findEarliestStream } from "./parts/find.js";
export function createAudioSampler(resolveMedia) {
    const sinkPool = new AudioSinkPool(resolveMedia);
    return {
        async *sampleAudio(timeline, from) {
            const items = itemsFrom({ timeline, from });
            const streams = await initStreams(sinkPool, items, from);
            while (streams.length > 0) {
                const { stream, index } = findEarliestStream(streams);
                yield stream.output();
                const advancing = await stream.advance();
                if (!advancing) {
                    streams.splice(index, 1);
                }
            }
        }
    };
}
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