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• Download live stream with changing chunklist/.m3u8 using ffmpeg or something similar

  23 juillet 2023, par Oliwer

  I've been trying to record a live stream from a website that change the .m3u8 link from time to time, sometimes it changes every minute and sometimes it changes 3 times in 10 sec. Is there a way to download the live stream in another way ? From my basic knowledge I have understood that they are using cloudflare for the stream.

  


  I know that it's possible to download since other people have been able to do it, but I am not able to find any information about it online.

  


  I've tried to find if there is a "master" file which could be able to give me access to the entire stream without any success.
I have been using -i "chunklist.m3u8" -c copy file.mkv
But every time it changes i have to type it all over with the new chunklist.m3u8

  


  Edit : When the change comes, a Website.com/json/liveApi_hls.asp followed by live-website.hscdn.com/pop_cast29/abc0122_P-00001_20230723223118/index.m3u8 ?%24NjW80dXNopqYmpuYn5qcmJmYm5qcusnWz82imZiYtaK1uKKezbueaEM%3D%24

  


  The change between the files are everything after .m3u8 ?

  


• how to download subtitles from a m3u8 file which is protected by cloudflare ?

  25 juin 2023, par ZombZ

  I am trying to use ffmpeg to download a vtt file from an m3u8 link but it isn't working

  


  i tried to run ffmpeg -i https://manifest-gcp-us-east1-vop1.cfcdn.mux.com/nCuL1I6vazd2gTqez6v8cW96dY6kB02KK2i008fUX5L8EjUpCcCJagIoZ2Uu01cAZFC0102nF5SzBm8M/subtitles.m3u8?cdn=cloudflare&expires=1687752000&signature=NjQ5OTBkNDBfYTExYTNkOTRlZTg1ZWU0NjUwZWUzNGFiMzFkZDgyNDFkMzU2OGU0YmExZGQzZGIyNWE5MjJkMGE3ZTdmOTM3YQ== output.vtt but it didn't work and gave me :

  


  Error when loading first segment 'https://chunk-gcp-us-east1-vop1.cfcdn.mux.com/v1/subtitle/nCuL1I6vazd2gTqez6v8cW96dY6kB02KK2i008fUX5L8EjUpCcCJagIoZ2Uu01cAZFC0102nF5SzBm8M/0.vtt?skid=default&signature=MF9lY2EwNmQxODg5OGQ5MTQxY2E1NjU2MDNiOTdkNDBhMGJjNzU1N2EwOGQ2N2E1MmE2NTI0Y2Y5MTQxNDZlYjc2'  ;https://manifest-gcp-us-east1-vop1.cfcdn.mux.com/nCuL1I6vazd2gTqez6v8cW96dY6kB02KK2i008fUX5L8EjUpCcCJagIoZ2Uu01cAZFC0102nF5SzBm8M/subtitles.m3u8?cdn=cloudflare : Invalid data found when processing input

  


• How to correctly close a console application using the youtube-dl process to download Twitch stream whenever I want

  24 juin 2023, par ElPavlillo

  The test program has the following code :

  


  string url = "https://www.twitch.tv/ricoy";
string outputPath = @"D:\ruta_del_archivo_salida.mp4";

ProcessStartInfo startInfo = new ProcessStartInfo
{
    FileName = "youtube-dl",
    Arguments = $"-f best -o \"{outputPath}\" \"{url}\"",
    //RedirectStandardOutput = true,
    UseShellExecute = false,
    CreateNoWindow = true
};

using (Process process = new Process())
{
    process.StartInfo = startInfo;
    process.Start();

    //var output = process.StandardOutput.ReadToEnd();
    //process.WaitForExit();

    Console.Read();
    KillProcessAndChildren(process.Id);
}

static void KillProcessAndChildren(int pid)
{
    // Cannot close 'system idle process'.
    if (pid == 0)
    {
        return;
    }
    ManagementObjectSearcher searcher = new ManagementObjectSearcher
            ("Select * From Win32_Process Where ParentProcessID=" + pid);
    ManagementObjectCollection moc = searcher.Get();
    foreach (ManagementObject mo in moc)
    {
        KillProcessAndChildren(Convert.ToInt32(mo["ProcessID"]));
    }
    try
    {
        Process proc = Process.GetProcessById(pid);
        proc.Kill();
    }
    catch (ArgumentException)
    {
        // Process already exited.
    }
}


  


  The problem is that when I press de key in the console the youtube-dl process gets kill and also de ffmpeg but the file is left with .part extension and does not work.

  


  I was expecting the code to left a .mp4 file but for reason it does not.