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• Node.js Stream Mp3 to http without having to save file

  21 août 2016, par user2758113

  I am trying to stream just audio from a youtube link straight to http with node.js.

  My code looks like this, I am using express 4.0.

  var express = require('express');
  
  var router = express.Router();
  
  var ytdl = require('ytdl');
  
  var ffmpeg = require('fluent-ffmpeg');
  
  var fs = require('fs');
  
  
  
  router.get('/', function(req, res) {
  
  
  
    var url = 'https://www.youtube.com/watch?v=GgcHlZsOgQo';
  
    var video = ytdl(url)
  
  
  
    res.set({
  
        "Content-Type": "audio/mpeg"
  
    })
  
  
  
    new ffmpeg({source: video})
  
        .toFormat('mp3')
  
        .writeToStream(res, function(data, err) {
  
          if (err) console.log(err)
  
        })
  
  
  
  });
  
  
  
  module.exports = router;

  Now, I’m able to stream the video’s audio to the response if I save the file then pipe it to the response, but I’d rather try to figure out some way to go from downloading to ffmpeg to response.

  Not sure if this is possible. The main goal is to keep it as light weight as possible, and not have to read from files.

  I’ve seen this code which is essentially what I’d like to do minus the saving to a file part.

  

• http: Stop reading after receiving the whole file for non-chunked transfers

  11 août 2014, par Martin Storsjö

  http: Stop reading after receiving the whole file for non-chunked transfers
  Previously this logic was only used if the server didn’t
  
  respond with Connection : close, but use it even for that case,
  
  if the server response is non-chunked.
  Originally the http code has relied on Connection : close to close
  
  the socket when the file/stream is received - the http protocol
  
  code just kept reading from the socket until the socket was closed.
  
  In f240ed18 we added a check for the file size, because some
  
  http servers didn’t respond with Connection : close (and wouldn’t
  
  close the socket) even though we requested it, which meant that the
  
  http protocol blocked for a long time at the end of files, waiting
  
  for a socket level timeout.
  When reading over tls, trying to read at the end of the connection,
  
  when the peer has closed the connection, can produce spurious (but
  
  harmless) warnings. Therefore always voluntarily stop reading when
  
  the specified file size has been received, if not using a chunked
  
  transfer encoding. (For chunked transfers, we already return 0
  
  as soon as we get the chunk header indicating end of stream.)
  Signed-off-by : Martin Storsjö <martin@martin.st>
  

  • [DBH] libavformat/http.c

• Update to the latest version of gas-preprocessor.pl from http://git.libav.org/?p...

  29 septembre 2014, par Anton Mitrofanov

  Update to the latest version of gas-preprocessor.pl from git.libav.org/ ?p=gas-preprocessor.git
  Contributions by Janne Grunau, Martin Storsjo, Mans Rullgard, David Conrad, Martin Aumuller and others
  

  • [DH] configure
  • [DH] extras/gas-preprocessor.pl
  • [DH] tools/gas-preprocessor.pl