var ffmpeg = require("fluent-ffmpeg");

const INPUT_PATH = "./input/SampleVideo_1280x720_1mb.mkv";
const OUTPUT_PATH = "./output/test.mp4";

// start by converting with a valid FFMPEG path
ffmpeg(INPUT_PATH)
  .output(OUTPUT_PATH)
  .on("start", function (cmdline) {
    console.log("Command line: " + cmdline);
  })
  .on("error", function (err, stdout, stderr) {
    console.log("An error happened: " + err.message);
    console.log("ffmpeg standard output:\n" + stdout);
    console.log("ffmpeg standard error:\n" + stderr);
  })
  .on("end", function () {
    console.log("Finished processing");

    // once the conversion has finished with the valid path
    // start converting with an invalid path
    ffmpeg(INPUT_PATH)
      .setFfmpegPath("bad-path")
      .output(OUTPUT_PATH)
      .on("start", function (cmdline) {
        console.log("Command line: " + cmdline);
      })
      .on("error", function (err, stdout, stderr) {
        console.log("An error happened: " + err.message);
        console.log("ffmpeg standard output:\n" + stdout);
        console.log("ffmpeg standard error:\n" + stderr);
      })
      .on("end", function () {
        console.log("Finished processing");
      })
      .run();
  })
  .run();