false_index.ts

import fs from "node:fs";
import express from "express";
import ffmpeg from "fluent-ffmpeg";
import morgan from "morgan";

//stream the video to the client
const app = express();

app.use(express.static("public"));
app.use(morgan("dev"));
app.get("/", (req, res) => {
  res.sendFile("index.html");
});

app.get("/video", (req, res) => {
  const path = "./assets/assets_4.mp4";
  const stat = fs.statSync(path);
  const fileSize = stat.size;
  const range = req.headers.range;

  if (!range) {
    res.status(400).send("Requires Range header");
  } else {
    const start = parseInt(range.replace(/bytes=/, "").split("-")[0], 10);
    const CHUNK_SIZE = 10 ** 6; //1MB
    const end = Math.min(start + CHUNK_SIZE, fileSize - 1);
    const contentLength = end - start + 1;

    console.log("start", start, "end", end);

    const headers = {
      "Content-Range": `bytes ${start}-${end}/${fileSize}`,
      "Accept-Ranges": "bytes",
      "Content-Length": contentLength,
      "Content-Type": "video/mp4",
    };

    if (start + 1 == fileSize) {
      console.log("Requested range not satisfiable");
      res.status(416).send("Requested range not satisfiable");
      return;
    }

    // const file = fs.createReadStream(path, {start, end});
    let drain = 0,
      pause = 0;

    res.writeHead(206, headers);
    const file = fs.createReadStream(path, { start, end });

    file.pipe(res);
  }
});

app.get("/range", (req, res) => {
  const range = req.headers.range;

  if (range) {
    const parts = range.replace(/bytes=/, "").split("-");
    const start = parseInt(parts[0], 10);
    const end = parts[1] ? parseInt(parts[1], 10) : 1000 - 1;

    console.log("range", range);
    res.send("start " + start + " end " + end);
  } else {
    res.send("no range of request found ");
  }
});

app.listen(5000, () => {
  console.log("Server is running on port 5000");
});