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• Homebridge camera ffmpeg : rtsp stream accessible with vlc but not with Home app

  20 mars 2023, par someone

  I can access the stream of my esp32 cam with vlc but it doesn't load in home app. Here is my config :

  


  {
    "bridge": {
        "name": "Homebridge 963D",
        "username": "0E:B6:BD:6E:66:9B",
        "port": 51600,
        "pin": "399-77-791",
        "advertiser": "bonjour-hap"
    },
    "accessories": [],
    "platforms": [
        {
            "name": "Config",
            "port": 8581,
            "platform": "config"
        },
        {
            "name": "Camera FFmpeg",
            "cameras": [
                {
                    "name": "cam1",
                    "videoConfig": {
                        "source": "-i rtsp://192.168.178.118:8554/mjpeg/1"
                    }
                }
            ],
            "platform": "Camera-ffmpeg"
        }
    ]
}


  


  the homebridge logs didn´t helped too. There is no video, so the problem is in homebridge ffmpeg

  


• How see if the client aborted the request in nodejs

  9 février 2023, par Pitzho

  I'm trying do a mp4 converter, but if the client cancel the request, continues the conversion, how I stop the conversion if the client cancel the request ?

  


  Code from conversor :

  


      // Start the ffmpeg child process
    const ffmpegProcess = cp.spawn(ffmpeg, [
    // Remove ffmpeg's console spamming
    '-loglevel', '8', '-hide_banner',
    // Redirect/Enable progress messages
    '-progress', 'pipe:3',
    // Set inputs
    '-i', 'pipe:4',
    '-i', 'pipe:5',
    // Map audio & video from streams
    '-map', '0:a',
    '-map', '1:v',
    // Keep encoding
    '-c:v', 'copy',
    // Define output file
    token + formato,
  ], {
    windowsHide: true,
    stdio: [
      /* Standard: stdin, stdout, stderr */
      'inherit', 'inherit', 'inherit',
      /* Custom: pipe:3, pipe:4, pipe:5 */
      'pipe', 'pipe', 'pipe', 'pipe'
    ],
  });

  ffmpegProcess.stdio[3].on('data', (err) => {
    console.log(res.status())
  });
  
  audio.pipe(ffmpegProcess.stdio[4]);
  video.pipe(ffmpegProcess.stdio[5]);
  
  ffmpegProcess.stdio[6].on('error', (err) => {
    // Remover token do objeto
    delete inUseTokens[token];
    res.status(500).send(err.message);
  });

  ffmpegProcess.stdio[6].on('close', () => {
    console.log("convertido!")
    res.render('downloated', {formato: formato, title: titulo, token: token, thumbnail: thumbnail, seconds: seconds})
    })
  });


  


  I don't know how I can solve this...

  


• Fluent-ffmpeg Invalid data found when processing input error only when the second request is received

  31 décembre 2022, par koji tanaka

  I am using Node.js for backend to use ffmpeg. To use ffmpeg, I adopted fluent-ffmpeg. This is working perfectly except for one problem. That is when I send video from client side SPA(single page application) to the server-side for the "second" time, node application crashes.

  


  What I did is saving the received video in the backend folder, which is made in the process, and taking a snapshot of the video.
This code actually works everytime after restarting the server, but once I used this route and try another time, the error message "Invalid data found when processing input video ./received/${receivedName}" comes up.

  


  app.post("/convert", fileUpload({ createParentPath: true }), async function (req, res) {
    makeDir(receivedVideoDirectory);
    const receivedName = Object.keys(req.files)[0];
    const directoryName = receivedName.substring(0, receivedName.indexOf("."));

    const receivedFile = req.files[receivedName];
    transcodedSegFolder = `./public/transcoded/${dirName}`;
    console.log("transcoded segment file folder is here", transcodedSegFolder);
    makeDir(transcodedSegFolder);

    fs.open(`./received/${receivedName}`, 'w', (err, fd) => {
        if (err) throw err;
        fs.writeFile(fd, receivedFile["data"], function (err) {
            if (err) {
                return console.log("Err in write file ", err);
            }
            console.log("The file was saved!", receivedName);
            fs.close(fd, (err) => {
                if (err) throw err;
            });
        });
    });

    ffmpeg(`./received/${receivedName}`)
        .takeScreenshots(
            {
                count: 1,
                timemarks: ['00:00:01.000'],
                folder: './public/thumbnails',
                filename: dirName
            }).on('error', function(err) {
                console.log('screenshot error happened: ' + err.message);
              }).on('end', function(err) {
                console.log('Screenshot process finished: ');
              });


  


  Probably some program keeps working, but I cannot find it. Any help is appreciated. Thank you.