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• 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...

  


• libswscale : fix compiler warnings enumerated type mixed with another type

  14 mars 2015, par Himangi Saraogi

  libswscale : fix compiler warnings enumerated type mixed with another type
  Signed-off-by : Luca Barbato <lu_zero@gentoo.org>
  

  • [DH] libswscale/swscale_unscaled.c

• Forwarding RTSP streams to client from private networked server via proxy

  21 juin 2016, par beNerd

  I have a setup where I have two physical machines (remote VPSes) :

  1. Server One - This has good processing power in terms of hardware and it’s IP can’t be accessed publicly. It’s private networked to a proxy (server 2) i.e it can only be accessed by the proxy server. Running nodejs/expressjs and ffmpeg/ffserver on ubuntu.

  2. Server Two : Reverse Proxy. Publicly accessible. Implements nginx which pipes the requests to Server One.

  Now, I have client apps that needs to play RTSP streams configured in the FFSERVER residing on Server One. Since I cannot access server one directly and only via proxy, I need a mechanism where I can accept RTSP requests on my nodejs api (which receives requests from nginx proxy via proxy pass config block), do some validations (session tokens here) and then when validated, contact the underlying ffserver asking for the stream. As soon as I receive the stream, I should be able to forward to the asking client.

  Possible ? How ?