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• How can I batch/sequentially download m3u8 files using ffmpeg ?

  20 février 2020, par Yesterdec

  I’m currently downloading m38u playlists individually using the following on Mac :

  ffmpeg -i <"URL with m3u8"> -codec copy output.ts

  If I want to do multiple files, I currently do it from separate Terminal windows.

  What I would like to do is, in a single instance, tell ffmpeg to e.g. take URLs from a .txt file and download them in sequence, with a sequential output name for each (fine for them to all go in same output folder).

  Sample code from m3u8 file :

  #EXTM3U
  
  #EXT-X-VERSION:3
  
  #EXT-X-MEDIA-SEQUENCE:0
  
  #EXT-X-ALLOW-CACHE:YES
  
  #EXT-X-TARGETDURATION:9
  
  #EXTINF:8.333333,
  
  segment00000.ts
  
  #EXTINF:8.333333,
  
  segment00001.ts
  
  #EXTINF:8.333333,
  
  segment00002.ts
  
  #EXTINF:5.000000,
  
  segment00003.ts
  
  #EXTINF:8.333333,
  
  segment00004.ts
  
  #EXTINF:8.333333,
  
  segment00005.ts

  I certainly have homebrew installed - I’m a novice, so unsure whether that means I’m actively ’using’ it to manage packages

  The file with the list of of m3u8 addresses is currently located at /Users/username/Downloads/m38u hold list.txt and looks like this :

  https://streaming.imvbox.com/media/2825/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2298/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2822/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2821/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2820/1280x800/1280x800.m3u8
  
  https://streaming.imvbox.com/media/2088/1280x800/1280x800.m3u8

  But so far this file is simply a place to store the links - I haven’t used it anything other than to copy the links from.

• ffmpeg, download video stream from url

  5 juillet 2021, par samiullah

  I am developing application to save any online webinar(video or audio) given the url using ffmpeg library. Url usually contain other contents like text, images as well. So i have problem, how to separately get video stream from url using ffmpeg(or some other better free library). Url may be for any site, not only for youtube, but as an example, link may be like

  


  http://www.youtube.com/watch?v=wnrJJYm7qIw

  


• Is it possible to download files (MP4) from external server and convert it to MP3 in NodeJS

  19 mai 2021, par GrayGalaxy

  I am currently working on a chrome extension to download songs from JioSaavn.com. In my implementation I use an Vercel instance as a prox. This is a workaround for CORS error in the extension. The server code is shown as below.

  


  const axios = require('axios')
module.exports = (req, res) => {
    res.setHeader('Access-Control-Allow-Origin', '*')
    res.setHeader('Cache-Control', 's-maxage=300, stale-while-revalidate')
    const URL = req.url // requested url
    // get array buffer
    if (url === '/') return res.redirect('https://github.com/GrayGalaxy/jiosaavn-downloader')

    let server_url = `https://snoidcdnems02.cdnsrv.jio.com/c.saavncdn.com/${URL}`
    axios.get(src_url, { responseType: 'arraybuffer' })
        .then(r => r.data)
        .then(result => res.send(result))
        .catch(() => {
            res.status(400).send('Cannot access the requested URL')
        })
    }
}



  


  This outputs a MP4 file (just with audio). As for example if you put /983/01100b84f61ca8b3a0432f12c564be8e_96.mp4 as the URL parameter it will output as MP4.

  


  Now I want to convert that response MP4 to a MP3 file. I tried ffmpeg, fluent-ffmpef and many other implementation. Most of them dose not support ArrayBuffer as an input (I think) it doesn't provide any output as expected. Or it might possible Vercel does not allow file-browser.

  


  Please give a solution to that.