An endpoint that on-the-fly repeats an HLS VOD

hls-repeat.js

// $ node hls-repeat.js
// Example (2 reps): http://localhost:8000/slate-consuo2.mp4/master.m3u8?r=2
// where r is how many times the VOD to be repeated

const { HLSProxy } = require("@eyevinn/hls-proxy");
const HLSRepeatVod = require("@eyevinn/hls-repeat");

const proxy = new HLSProxy({
  originHandler: async () => {
    // Origin where the VOD is found
    return "https://maitv-vod.lab.eyevinn.technology";
  },
  masterManifestHandler: async (request, baseUrl, m3u) => {
    const repeats = request.raw.query["r"] || 2; 
    m3u.items.StreamItem.map(item => {
      const params = require("querystring").stringify({
        bw: item.get("bandwidth"),
        r: repeats,
        src: request.raw.url
      });
      item.set("uri", item.get("uri") + "?" + params);
    });
    return m3u.toString();
  },
  mediaManifestHandler: async (request, baseUrl, m3u) => {
    const sourceUrl = new URL(request.raw.query["src"], baseUrl);
    const hlsVod = new HLSRepeatVod(sourceUrl.href, request.raw.query["r"]);
    await hlsVod.load();
    return hlsVod.getMediaManifest(request.raw.query["bw"]);
  },
  segmentRedirectHandler: async (request, baseUrl) => {
    return (new URL(request.raw.url, baseUrl)).href;
  }
});
proxy.listen(8000);